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<div class="title">Shell.cpp</div> </div>
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</div><!--header-->
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2016 Southern Storm Software, Pty Ltd.</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * to deal in the Software without restriction, including without limitation</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Software is furnished to do so, subject to the following conditions:</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * The above copyright notice and this permission notice shall be included</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * in all copies or substantial portions of the Software.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "Shell.h"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "LoginShell.h"</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <string.h></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <stddef.h></span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment">// Modes for line editing (flags).</span></div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#define LINEMODE_NORMAL 0x01</span></div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor"></span><span class="preprocessor">#define LINEMODE_ECHO 0x02</span></div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor"></span><span class="preprocessor">#define LINEMODE_USERNAME 0x04</span></div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor"></span><span class="preprocessor">#define LINEMODE_PASSWORD 0x08</span></div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor"></span><span class="preprocessor">#define LINEMODE_PROMPT 0x10</span></div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor"></span><span class="preprocessor">#define LINEMODE_DELAY 0x20</span></div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment">// Delay to insert after a failed login to slow down brute force attacks (ms).</span></div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor">#define LOGIN_SHELL_DELAY 3000</span></div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00122"></a><span class="lineno"><a class="line" href="classShell.html#ad613444a902075e8fd26b1f51c4d3b63"> 122</a></span> <a class="code" href="classShell.html#ad613444a902075e8fd26b1f51c4d3b63">Shell::Shell</a>()</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  : curStart(0)</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  , curLen(0)</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  , curMax(sizeof(buffer))</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  , history(0)</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  , historyWrite(0)</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  , historyRead(0)</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  , historySize(0)</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  , prom(<span class="stringliteral">"$ "</span>)</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  , isClient(false)</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  , lineMode(LINEMODE_NORMAL | LINEMODE_ECHO)</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  , uid(-1)</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  , timer(0)</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> {</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> }</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
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<div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="classShell.html#a95f78f499b3dfd9c83f4099cf90ef3df"> 141</a></span> <a class="code" href="classShell.html#a95f78f499b3dfd9c83f4099cf90ef3df">Shell::~Shell</a>()</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> {</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  clearHistory();</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">delete</span> [] history;</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> }</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
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<div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="classShell.html#ad9acba905b6e0b661cce19d57c067990"> 176</a></span> <span class="keywordtype">bool</span> <a class="code" href="classShell.html#ad9acba905b6e0b661cce19d57c067990">Shell::begin</a>(Stream &stream, <span class="keywordtype">size_t</span> maxHistory, <a class="code" href="classTerminal.html#a6fd7d021468962e9604bee0522b3a364">Terminal::Mode</a> mode)</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> {</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">if</span> (!beginShell(stream, maxHistory, mode))</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  isClient = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> }</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div>
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<div class="line"><a name="l00208"></a><span class="lineno"><a class="line" href="classShell.html#a3ff0cc86725388d4fe92520e5a18ad92"> 208</a></span> <span class="keywordtype">bool</span> <a class="code" href="classShell.html#ad9acba905b6e0b661cce19d57c067990">Shell::begin</a>(Client &client, <span class="keywordtype">size_t</span> maxHistory, <a class="code" href="classTerminal.html#a6fd7d021468962e9604bee0522b3a364">Terminal::Mode</a> mode)</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> {</div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">if</span> (!beginShell(client, maxHistory, mode))</div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  isClient = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> }</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="keywordtype">bool</span> Shell::beginShell(Stream &stream, <span class="keywordtype">size_t</span> maxHistory, <a class="code" href="classTerminal.html#a6fd7d021468962e9604bee0522b3a364">Terminal::Mode</a> mode)</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> {</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// Initialize the Terminal base class with the underlying stream.</span></div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <a class="code" href="classTerminal.html#a6bf417195a7d2a2fab6b3518f25764a2">Terminal::begin</a>(stream, mode);</div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">// Create the history buffer.</span></div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordtype">bool</span> ok = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keyword">delete</span> [] history;</div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  historySize = <span class="keyword">sizeof</span>(buffer) * maxHistory;</div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">if</span> (maxHistory) {</div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  history = <span class="keyword">new</span> <span class="keywordtype">char</span> [historySize];</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">if</span> (history) {</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  memset(history, 0, historySize);</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  maxHistory = 0;</div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  historySize = 0;</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  ok = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  history = 0;</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  }</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="comment">// Clear other variables.</span></div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  curStart = 0;</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  curLen = 0;</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  curMax = <span class="keyword">sizeof</span>(buffer);</div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  historyWrite = 0;</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  historyRead = 0;</div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  uid = -1;</div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">// Begins the login session.</span></div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <a class="code" href="classShell.html#a3ad32b7cd3b48c78953ab9f7384d5a58">beginSession</a>();</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">return</span> ok;</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> }</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"><a class="line" href="classShell.html#a8a654aadd0b6a379309bb1007749e41d"> 262</a></span> <span class="keywordtype">void</span> <a class="code" href="classShell.html#a8a654aadd0b6a379309bb1007749e41d">Shell::end</a>()</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> {</div>
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|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <a class="code" href="classTerminal.html#a9e4c08d43a1a1c039e385d63aca049c0">Terminal::end</a>();</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  clearHistory();</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keyword">delete</span> [] history;</div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  curStart = 0;</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  curLen = 0;</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  curMax = <span class="keyword">sizeof</span>(buffer);</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  history = 0;</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  historyWrite = 0;</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  historyRead = 0;</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  historySize = 0;</div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  isClient = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  lineMode = LINEMODE_NORMAL | LINEMODE_ECHO;</div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  uid = -1;</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> }</div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> </div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment">// Standard builtin command names.</span></div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="keyword">static</span> <span class="keywordtype">char</span> <span class="keyword">const</span> builtin_cmd_exit[] PROGMEM = <span class="stringliteral">"exit"</span>;</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="keyword">static</span> <span class="keywordtype">char</span> <span class="keyword">const</span> builtin_cmd_help[] PROGMEM = <span class="stringliteral">"help"</span>;</div>
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|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="keyword">static</span> <span class="keywordtype">char</span> <span class="keyword">const</span> builtin_cmd_help_alt[] PROGMEM = <span class="stringliteral">"?"</span>;</div>
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|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div>
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<div class="line"><a name="l00294"></a><span class="lineno"><a class="line" href="classShell.html#afc45cae4ccfc76321a254bb617dce08c"> 294</a></span> <span class="keywordtype">void</span> <a class="code" href="classShell.html#afc45cae4ccfc76321a254bb617dce08c">Shell::loop</a>()</div>
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|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> {</div>
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|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// If the stream is a TCP client, then check for disconnection.</span></div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">if</span> (isClient && !((Client *)<a class="code" href="classTerminal.html#a18f46590476d5231e9480b5f69a68f63">stream</a>())->connected()) {</div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <a class="code" href="classShell.html#a8a654aadd0b6a379309bb1007749e41d">end</a>();</div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  }</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> </div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="comment">// If the login delay is active, then suppress all input.</span></div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">if</span> (lineMode & LINEMODE_DELAY) {</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">if</span> ((millis() - timer) >= LOGIN_SHELL_DELAY) {</div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  lineMode &= ~LINEMODE_DELAY;</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  timer = 0;</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <a class="code" href="classTerminal.html#aa82621ea174422601cc7384c8185eb96">readKey</a>();</div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  }</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  }</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> </div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="comment">// Print the prompt if necessary.</span></div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">if</span> (lineMode & LINEMODE_PROMPT)</div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <a class="code" href="classShell.html#a720144957bf6462659017cc25c429beb">printPrompt</a>();</div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> </div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="comment">// Read the next key and bail out if none. We only process a single</span></div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="comment">// key each time we enter this function to prevent other tasks in the</span></div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="comment">// system from becoming starved of time resources if the bytes are</span></div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="comment">// arriving rapidly from the underyling stream.</span></div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordtype">int</span> key = <a class="code" href="classTerminal.html#aa82621ea174422601cc7384c8185eb96">readKey</a>();</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">if</span> (key == -1)</div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> </div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="comment">// Process the key.</span></div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">switch</span> (key) {</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">case</span> KEY_BACKSPACE:</div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="comment">// Backspace over the last character.</span></div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  clearCharacters(1);</div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> </div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">case</span> KEY_RETURN:</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="comment">// CR, LF, or CRLF pressed, so execute the current command.</span></div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <a class="code" href="classShell.html#ab4a3f80dc5ff779ac99116a1f7e35cda">execute</a>();</div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> </div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">case</span> 0x15:</div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="comment">// CTRL-U - clear the entire command.</span></div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  clearCharacters(curLen);</div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> </div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordflow">case</span> 0x04:</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="comment">// CTRL-D - equivalent to the "exit" command.</span></div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">if</span> (lineMode & LINEMODE_NORMAL)</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  executeBuiltin(builtin_cmd_exit);</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">case</span> KEY_UP_ARROW:</div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="comment">// Go back one item in the command history.</span></div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">if</span> ((lineMode & LINEMODE_NORMAL) != 0 &&</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  history && historyRead > 0) {</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  changeHistory(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  }</div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> </div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">case</span> KEY_DOWN_ARROW:</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="comment">// Go forward one item in the command history.</span></div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">if</span> ((lineMode & LINEMODE_NORMAL) != 0 &&</div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  history && historyRead < historyWrite) {</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  changeHistory(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  }</div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> </div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">case</span> KEY_F1:</div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="comment">// F1 is equivalent to the "help" command.</span></div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">if</span> (lineMode & LINEMODE_NORMAL)</div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  executeBuiltin(builtin_cmd_help);</div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> </div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">case</span> KEY_UNICODE: {</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="comment">// Add the Unicode code point to the buffer if it will fit.</span></div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordtype">long</span> code = <a class="code" href="classTerminal.html#a33e5eb60d69e4ccf6e3c90f7428b4961">unicodeKey</a>();</div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordtype">size_t</span> size = <a class="code" href="classTerminal.html#a0ed780bd8568f752c5d3dfe68a111c52">Terminal::utf8Length</a>(code);</div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">if</span> (size && (curLen + size) < (curMax - 1)) {</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <a class="code" href="classTerminal.html#ae6478319776ecb726613b38429d7cdec">Terminal::utf8Format</a>((uint8_t *)(buffer + curLen), code);</div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">if</span> (lineMode & LINEMODE_ECHO)</div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <a class="code" href="classTerminal.html#ae723f16d4f97954fb45550fa05d600bb">write</a>((uint8_t *)(buffer + curLen), size);</div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  curLen += size;</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  }</div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  } <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> </div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">if</span> (key >= 0x20 && key <= 0x7E) {</div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="comment">// Printable ASCII character - echo and add it to the buffer.</span></div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">if</span> (curLen < (curMax - 1)) {</div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordflow">if</span> (lineMode & LINEMODE_ECHO)</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <a class="code" href="classTerminal.html#ae723f16d4f97954fb45550fa05d600bb">write</a>((uint8_t)key);</div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  buffer[curLen++] = (char)key;</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  }</div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  }</div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  }</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> }</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> </div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="preprocessor">#if defined(__AVR__)</span></div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> <span class="comment">// String compare of two strings in program memory.</span></div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> <span class="keyword">static</span> <span class="keywordtype">int</span> progmem_strcmp(<span class="keyword">const</span> <span class="keywordtype">char</span> *str1, <span class="keyword">const</span> <span class="keywordtype">char</span> *str2)</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> {</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  uint8_t ch1, ch2;</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keywordflow">for</span> (;;) {</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  ch1 = pgm_read_byte((<span class="keyword">const</span> uint8_t *)str1);</div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  ch2 = pgm_read_byte((<span class="keyword">const</span> uint8_t *)str2);</div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordflow">if</span> (!ch1) {</div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keywordflow">if</span> (ch2)</div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">return</span> -1;</div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!ch2) {</div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">return</span> 1;</div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ch1 != ch2) {</div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">return</span> ((<span class="keywordtype">int</span>)ch1) - ((int)ch2);</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  }</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  ++str1;</div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  ++str2;</div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  }</div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span> }</div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> </div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="preprocessor">#else</span></div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="preprocessor">#define progmem_strcmp(str1,str2) (strcmp((str1), (str2)))</span></div>
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|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00424"></a><span class="lineno"> 424</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span> <span class="comment">// Reads the "name" field from a command information block in program memory.</span></div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *readInfoName(<span class="keyword">const</span> ShellCommandInfo *info)</div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> {</div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="preprocessor">#if defined(__AVR__)</span></div>
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|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> (<span class="keyword">const</span> <span class="keywordtype">char</span> *)pgm_read_word</div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  (((<span class="keyword">const</span> uint8_t *)info) + offsetof(ShellCommandInfo, name));</div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="preprocessor">#else</span></div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> info->name;</div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="preprocessor"></span>}</div>
|
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<div class="line"><a name="l00436"></a><span class="lineno"> 436</span> </div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span> <span class="comment">// Reads the "help" field from a command information block in program memory.</span></div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *readInfoHelp(<span class="keyword">const</span> ShellCommandInfo *info)</div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> {</div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="preprocessor">#if defined(__AVR__)</span></div>
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|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> (<span class="keyword">const</span> <span class="keywordtype">char</span> *)pgm_read_word</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  (((<span class="keyword">const</span> uint8_t *)info) + offsetof(ShellCommandInfo, help));</div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="preprocessor">#else</span></div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> info->help;</div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="preprocessor"></span>}</div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> </div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="comment">// Reads the "func" field from a command information block in program memory.</span></div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="keyword">static</span> <a class="code" href="classShell.html#ad5bac6a4033cd81e24c1345650bca744">ShellCommandFunc</a> readInfoFunc(<span class="keyword">const</span> ShellCommandInfo *info)</div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> {</div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="preprocessor">#if defined(__AVR__)</span></div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (<span class="keyword">sizeof</span>(<a class="code" href="classShell.html#ad5bac6a4033cd81e24c1345650bca744">ShellCommandFunc</a>) == 2) {</div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keywordflow">return</span> (<a class="code" href="classShell.html#ad5bac6a4033cd81e24c1345650bca744">ShellCommandFunc</a>)pgm_read_word</div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  (((<span class="keyword">const</span> uint8_t *)info) + offsetof(ShellCommandInfo, func));</div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordflow">return</span> (<a class="code" href="classShell.html#ad5bac6a4033cd81e24c1345650bca744">ShellCommandFunc</a>)pgm_read_dword</div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  (((<span class="keyword">const</span> uint8_t *)info) + offsetof(ShellCommandInfo, func));</div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  }</div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="preprocessor">#else</span></div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> info->func;</div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="preprocessor"></span>}</div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span> </div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="keyword">static</span> ShellCommandRegister *firstCmd = 0;</div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> </div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"><a class="line" href="classShell.html#a03dfba66a0125a8c02dd71b3f3b37870"> 472</a></span> <span class="keywordtype">void</span> <a class="code" href="classShell.html#a03dfba66a0125a8c02dd71b3f3b37870">Shell::registerCommand</a>(ShellCommandRegister *cmd)</div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span> {</div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="comment">// Insert the command into the list in alphanumeric order.</span></div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="comment">// We cannot rely upon the construction order to sort the list for us.</span></div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  ShellCommandRegister *prev = 0;</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  ShellCommandRegister *current = firstCmd;</div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="keywordflow">while</span> (current != 0) {</div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">if</span> (progmem_strcmp(readInfoName(cmd->info), readInfoName(current->info)) < 0)</div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  prev = current;</div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  current = current->next;</div>
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  }</div>
|
|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keywordflow">if</span> (prev)</div>
|
|
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  prev->next = cmd;</div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  firstCmd = cmd;</div>
|
|
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  cmd->next = current;</div>
|
|
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> }</div>
|
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> </div>
|
|
<div class="line"><a name="l00542"></a><span class="lineno"><a class="line" href="classShell.html#a58b0e9104d1f6c7ec7d1663c69cd03dd"> 542</a></span> <span class="keywordtype">void</span> <a class="code" href="classShell.html#a58b0e9104d1f6c7ec7d1663c69cd03dd">Shell::help</a>()</div>
|
|
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> {</div>
|
|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="comment">// Find the command with the maximum length.</span></div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  ShellCommandRegister *current = firstCmd;</div>
|
|
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordtype">size_t</span> maxLen = 0;</div>
|
|
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keywordtype">size_t</span> len;</div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keywordflow">while</span> (current != 0) {</div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  len = strlen_P(readInfoName(current->info));</div>
|
|
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keywordflow">if</span> (len > maxLen)</div>
|
|
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  maxLen = len;</div>
|
|
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  current = current->next;</div>
|
|
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  }</div>
|
|
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  maxLen += 2;</div>
|
|
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span> </div>
|
|
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="comment">// Print the commands with the help strings aligned on the right.</span></div>
|
|
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  current = firstCmd;</div>
|
|
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keywordflow">while</span> (current != 0) {</div>
|
|
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <a class="code" href="classTerminal.html#ae0b908585ec355e0f299579a015c1170">writeProgMem</a>(readInfoName(current->info));</div>
|
|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  len = maxLen - strlen_P(readInfoName(current->info));</div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keywordflow">while</span> (len > 0) {</div>
|
|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <a class="code" href="classTerminal.html#ae723f16d4f97954fb45550fa05d600bb">write</a>(<span class="charliteral">' '</span>);</div>
|
|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  --len;</div>
|
|
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  }</div>
|
|
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <a class="code" href="classTerminal.html#ae0b908585ec355e0f299579a015c1170">writeProgMem</a>(readInfoHelp(current->info));</div>
|
|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  println();</div>
|
|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  current = current->next;</div>
|
|
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  }</div>
|
|
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span> }</div>
|
|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span> </div>
|
|
<div class="line"><a name="l00577"></a><span class="lineno"><a class="line" href="classShell.html#ab9dab65bc0757ce3bb0ac926bbefcee3"> 577</a></span> <span class="keywordtype">void</span> <a class="code" href="classShell.html#ab9dab65bc0757ce3bb0ac926bbefcee3">Shell::exit</a>()</div>
|
|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span> {</div>
|
|
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  Stream *stream = this-><a class="code" href="classTerminal.html#a18f46590476d5231e9480b5f69a68f63">stream</a>();</div>
|
|
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  uid = -1;</div>
|
|
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="keywordflow">if</span> (isClient) {</div>
|
|
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <a class="code" href="classShell.html#a8a654aadd0b6a379309bb1007749e41d">end</a>();</div>
|
|
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  ((Client *)stream)->stop();</div>
|
|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  clearHistory();</div>
|
|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  println();</div>
|
|
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <a class="code" href="classShell.html#a3ad32b7cd3b48c78953ab9f7384d5a58">beginSession</a>();</div>
|
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  }</div>
|
|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span> }</div>
|
|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span> </div>
|
|
<div class="line"><a name="l00594"></a><span class="lineno"><a class="line" href="classShell.html#a3ad32b7cd3b48c78953ab9f7384d5a58"> 594</a></span> <span class="keywordtype">void</span> <a class="code" href="classShell.html#a3ad32b7cd3b48c78953ab9f7384d5a58">Shell::beginSession</a>()</div>
|
|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span> {</div>
|
|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <span class="comment">// No login support in the base class, so enter normal mode immediately.</span></div>
|
|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  lineMode = LINEMODE_NORMAL | LINEMODE_ECHO | LINEMODE_PROMPT;</div>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span> }</div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span> </div>
|
|
<div class="line"><a name="l00603"></a><span class="lineno"><a class="line" href="classShell.html#a720144957bf6462659017cc25c429beb"> 603</a></span> <span class="keywordtype">void</span> <a class="code" href="classShell.html#a720144957bf6462659017cc25c429beb">Shell::printPrompt</a>()</div>
|
|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span> {</div>
|
|
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="keywordflow">if</span> (prom)</div>
|
|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  print(prom);</div>
|
|
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  lineMode &= ~LINEMODE_PROMPT;</div>
|
|
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> }</div>
|
|
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span> </div>
|
|
<div class="line"><a name="l00613"></a><span class="lineno"><a class="line" href="classShell.html#ab4a3f80dc5ff779ac99116a1f7e35cda"> 613</a></span> <span class="keywordtype">void</span> <a class="code" href="classShell.html#ab4a3f80dc5ff779ac99116a1f7e35cda">Shell::execute</a>()</div>
|
|
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span> {</div>
|
|
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="comment">// Terminate the current line.</span></div>
|
|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  println();</div>
|
|
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span> </div>
|
|
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="comment">// Make sure the command is properly NUL-terminated.</span></div>
|
|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  buffer[curLen] = <span class="charliteral">'\0'</span>;</div>
|
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span> </div>
|
|
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="comment">// If we have a history stack and the new command is different from</span></div>
|
|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="comment">// the previous command, then copy the command into the stack.</span></div>
|
|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="keywordflow">if</span> (history && curLen > curStart) {</div>
|
|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <span class="keywordtype">char</span> *prevCmd;</div>
|
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <span class="keywordtype">bool</span> newCmd = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <span class="keywordflow">if</span> (historyWrite > 0) {</div>
|
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  prevCmd = (<span class="keywordtype">char</span> *)memrchr(history, <span class="charliteral">'\0'</span>, historyWrite - 1);</div>
|
|
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <span class="keywordflow">if</span> (prevCmd)</div>
|
|
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  ++prevCmd;</div>
|
|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  prevCmd = history;</div>
|
|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="keywordflow">if</span> (strcmp(prevCmd, buffer + curStart) == 0)</div>
|
|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  newCmd = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  }</div>
|
|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="keywordflow">if</span> (newCmd) {</div>
|
|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  <span class="keywordtype">size_t</span> len = curLen - curStart;</div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <span class="keywordflow">while</span> ((len + 1) > (historySize - historyWrite)) {</div>
|
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="comment">// History stack is full. Pop older entries to get some room.</span></div>
|
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  prevCmd = (<span class="keywordtype">char</span> *)memchr(history, <span class="charliteral">'\0'</span>, historyWrite);</div>
|
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <span class="keywordflow">if</span> (prevCmd) {</div>
|
|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="keywordtype">size_t</span> histLen = historyWrite - ((prevCmd + 1) - history);</div>
|
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  memmove(history, prevCmd + 1, histLen);</div>
|
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  historyWrite = histLen;</div>
|
|
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  historyWrite = 0;</div>
|
|
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  }</div>
|
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  }</div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  memcpy(history + historyWrite, buffer + curStart, len);</div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  historyWrite += len;</div>
|
|
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  history[historyWrite++] = <span class="charliteral">'\0'</span>;</div>
|
|
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  }</div>
|
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  }</div>
|
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span> </div>
|
|
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="comment">// Reset the history read position to the top of the stack.</span></div>
|
|
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  historyRead = historyWrite;</div>
|
|
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span> </div>
|
|
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="comment">// Break the command up into arguments and populate the argument array.</span></div>
|
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  <a class="code" href="classShellArguments.html">ShellArguments</a> argv(buffer + curStart, curLen - curStart);</div>
|
|
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span> </div>
|
|
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  <span class="comment">// Clear the line buffer.</span></div>
|
|
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  curLen = curStart;</div>
|
|
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span> </div>
|
|
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  <span class="comment">// Execute the command.</span></div>
|
|
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="keywordflow">if</span> (argv.<a class="code" href="classShellArguments.html#ad1d8f103c645bc280e518f2522a62cc1">count</a>() > 0) {</div>
|
|
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <span class="keywordflow">if</span> (!<a class="code" href="classShell.html#ab4a3f80dc5ff779ac99116a1f7e35cda">execute</a>(argv)) {</div>
|
|
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <span class="comment">// Could not find a matching command, try the builtin "help".</span></div>
|
|
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *argv0 = argv[0];</div>
|
|
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="keywordflow">if</span> (!strcmp_P(argv0, builtin_cmd_help) ||</div>
|
|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  !strcmp_P(argv0, builtin_cmd_help_alt)) {</div>
|
|
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  <a class="code" href="classShell.html#a58b0e9104d1f6c7ec7d1663c69cd03dd">help</a>();</div>
|
|
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!strcmp_P(argv0, builtin_cmd_exit)) {</div>
|
|
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <a class="code" href="classShell.html#ab9dab65bc0757ce3bb0ac926bbefcee3">exit</a>();</div>
|
|
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="keyword">static</span> <span class="keywordtype">char</span> <span class="keyword">const</span> unknown_cmd[] PROGMEM = <span class="stringliteral">"Unknown command: "</span>;</div>
|
|
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <a class="code" href="classTerminal.html#ae0b908585ec355e0f299579a015c1170">writeProgMem</a>(unknown_cmd);</div>
|
|
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  print(argv0);</div>
|
|
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  println();</div>
|
|
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  }</div>
|
|
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  }</div>
|
|
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  }</div>
|
|
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span> </div>
|
|
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <span class="comment">// Prepare to print the prompt for the next command.</span></div>
|
|
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  lineMode |= LINEMODE_PROMPT;</div>
|
|
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span> }</div>
|
|
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span> </div>
|
|
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span> <span class="keywordtype">bool</span> <a class="code" href="classShell.html#ab4a3f80dc5ff779ac99116a1f7e35cda">Shell::execute</a>(<span class="keyword">const</span> <a class="code" href="classShellArguments.html">ShellArguments</a> &argv)</div>
|
|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span> {</div>
|
|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *argv0 = argv[0];</div>
|
|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  ShellCommandRegister *current = firstCmd;</div>
|
|
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="keywordflow">while</span> (current != 0) {</div>
|
|
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="keywordflow">if</span> (!strcmp_P(argv0, readInfoName(current->info))) {</div>
|
|
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  <a class="code" href="classShell.html#ad5bac6a4033cd81e24c1345650bca744">ShellCommandFunc</a> func = readInfoFunc(current->info);</div>
|
|
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  (*func)(*<span class="keyword">this</span>, argv.<a class="code" href="classShellArguments.html#ad1d8f103c645bc280e518f2522a62cc1">count</a>(), argv);</div>
|
|
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  }</div>
|
|
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  current = current->next;</div>
|
|
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  }</div>
|
|
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span> }</div>
|
|
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span> </div>
|
|
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span> <span class="keywordtype">void</span> Shell::executeBuiltin(<span class="keyword">const</span> <span class="keywordtype">char</span> *cmd)</div>
|
|
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span> {</div>
|
|
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  clearCharacters(curLen);</div>
|
|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  curLen = strlen_P(cmd);</div>
|
|
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  strncpy_P(buffer + curStart, cmd, curLen);</div>
|
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <a class="code" href="classTerminal.html#ae723f16d4f97954fb45550fa05d600bb">write</a>((<span class="keyword">const</span> uint8_t *)(buffer + curStart), curLen);</div>
|
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  curLen += curStart;</div>
|
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  <a class="code" href="classShell.html#ab4a3f80dc5ff779ac99116a1f7e35cda">execute</a>();</div>
|
|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span> }</div>
|
|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span> </div>
|
|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span> <span class="keywordtype">void</span> Shell::clearCharacters(<span class="keywordtype">size_t</span> len)</div>
|
|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span> {</div>
|
|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  <span class="comment">// If the characters are hidden, then there's nothing to backspace over.</span></div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  <span class="keywordflow">if</span> (!(lineMode & LINEMODE_ECHO))</div>
|
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span> </div>
|
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="comment">// Backspace over all characters in the buffer.</span></div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <span class="keywordflow">while</span> (len > 0 && curLen > curStart) {</div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  uint8_t ch = (uint8_t)(buffer[curLen - 1]);</div>
|
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  <span class="keywordflow">if</span> (ch < 0x80) {</div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <a class="code" href="classTerminal.html#ae4aec627f980fe0d26653401785d41bc">backspace</a>();</div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  <span class="comment">// UTF-8 character sequence. Back up some more and</span></div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  <span class="comment">// determine the value of the Unicode code point.</span></div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  <span class="keywordtype">long</span> code = (ch & 0x3F);</div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  uint8_t shift = 6;</div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="keywordflow">while</span> (curLen > 1) {</div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  --curLen;</div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  ch = (uint8_t)(buffer[curLen - 1]);</div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  <span class="keywordflow">if</span> ((ch & 0xC0) != 0x80)</div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  code |= ((long)(ch & 0x3F)) << shift;</div>
|
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  shift += 6;</div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  }</div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  <span class="keywordflow">if</span> ((ch & 0xE0) == 0xC0)</div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  ch &= 0x1F;</div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((ch & 0xF0) == 0xE0)</div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  ch &= 0x0F;</div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  ch &= 0x07;</div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  code |= ((long)ch) << shift;</div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span> </div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  <span class="comment">// If the character is wide, we need to emit two backspaces.</span></div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keywordflow">if</span> (<a class="code" href="classTerminal.html#a25fdddd02378250799016cbb714c8a6b">isWideCharacter</a>(code))</div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  <a class="code" href="classTerminal.html#ae4aec627f980fe0d26653401785d41bc">backspace</a>();</div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <a class="code" href="classTerminal.html#ae4aec627f980fe0d26653401785d41bc">backspace</a>();</div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  }</div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  --len;</div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  --curLen;</div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  }</div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span> }</div>
|
|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span> </div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span> <span class="keywordtype">void</span> Shell::changeHistory(<span class="keywordtype">bool</span> up)</div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span> {</div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  <span class="keywordtype">char</span> *cmd;</div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  <span class="keywordflow">if</span> (up) {</div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  cmd = (<span class="keywordtype">char</span> *)memrchr(history, <span class="charliteral">'\0'</span>, historyRead - 1);</div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  <span class="keywordflow">if</span> (cmd)</div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  historyRead = (size_t)(cmd - history + 1);</div>
|
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  historyRead = 0;</div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  cmd = (<span class="keywordtype">char</span> *)memchr(history + historyRead, <span class="charliteral">'\0'</span>, historyWrite - historyRead);</div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  <span class="keywordflow">if</span> (cmd)</div>
|
|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  historyRead = (size_t)(cmd - history + 1);</div>
|
|
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  historyRead = historyWrite;</div>
|
|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  }</div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  clearCharacters(curLen);</div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  <span class="keywordflow">if</span> (historyRead < historyWrite) {</div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  cmd = history + historyRead;</div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  curLen = strlen(cmd);</div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  <span class="keywordflow">if</span> (curLen > (curMax - curStart))</div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  curLen = curMax - curStart;</div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  memcpy(buffer + curStart, cmd, curLen);</div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  <a class="code" href="classTerminal.html#ae723f16d4f97954fb45550fa05d600bb">write</a>((uint8_t *)cmd, curLen);</div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  curLen += curStart;</div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  }</div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span> }</div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span> </div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span> <span class="keywordtype">void</span> Shell::clearHistory()</div>
|
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span> {</div>
|
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  <span class="keywordflow">if</span> (history)</div>
|
|
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  memset(history, 0, historySize);</div>
|
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  historyRead = 0;</div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  historyWrite = 0;</div>
|
|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  memset(buffer, 0, <span class="keyword">sizeof</span>(buffer));</div>
|
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span> }</div>
|
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span> </div>
|
|
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span> ShellArguments::ShellArguments(<span class="keywordtype">char</span> *buffer, <span class="keywordtype">size_t</span> len)</div>
|
|
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  : line(buffer)</div>
|
|
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  , size(0)</div>
|
|
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  , argc(0)</div>
|
|
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  , currentIndex(0)</div>
|
|
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  , currentPosn(0)</div>
|
|
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span> {</div>
|
|
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  <span class="comment">// Break the command up into arguments and add NUL terminators.</span></div>
|
|
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  <span class="keywordtype">size_t</span> posn = 0;</div>
|
|
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  <span class="keywordtype">size_t</span> outposn = 0;</div>
|
|
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <span class="keywordtype">char</span> quote = 0;</div>
|
|
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <span class="keywordflow">while</span> (posn < len) {</div>
|
|
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  <span class="keywordtype">char</span> ch = buffer[posn];</div>
|
|
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  <span class="keywordflow">if</span> (ch == <span class="charliteral">' '</span>) {</div>
|
|
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  ++posn;</div>
|
|
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  }</div>
|
|
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  ++argc;</div>
|
|
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  <span class="keywordflow">do</span> {</div>
|
|
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  ch = buffer[posn];</div>
|
|
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  <span class="keywordflow">if</span> (ch == <span class="charliteral">'"'</span> || ch == <span class="charliteral">'\''</span>) {</div>
|
|
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  <span class="keywordflow">if</span> (quote == ch) {</div>
|
|
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  quote = 0;</div>
|
|
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  ++posn;</div>
|
|
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!quote) {</div>
|
|
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  quote = ch;</div>
|
|
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  ++posn;</div>
|
|
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  }</div>
|
|
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!quote && ch == <span class="charliteral">' '</span>) {</div>
|
|
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  }</div>
|
|
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  buffer[outposn++] = ch;</div>
|
|
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  ++posn;</div>
|
|
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  } <span class="keywordflow">while</span> (posn < len);</div>
|
|
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  buffer[outposn++] = <span class="charliteral">'\0'</span>;</div>
|
|
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  <span class="keywordflow">if</span> (posn < len)</div>
|
|
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  ++posn;</div>
|
|
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  }</div>
|
|
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  size = outposn;</div>
|
|
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span> }</div>
|
|
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span> </div>
|
|
<div class="line"><a name="l00927"></a><span class="lineno"><a class="line" href="classShellArguments.html#a1308c90889e9341f07986b4b256acc16"> 927</a></span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="classShellArguments.html#a1308c90889e9341f07986b4b256acc16">ShellArguments::operator[]</a>(<span class="keywordtype">int</span> index)<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  <span class="keywordflow">if</span> (index < 0 || index >= argc) {</div>
|
|
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  <span class="comment">// Argument index is out of range.</span></div>
|
|
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (index == currentIndex) {</div>
|
|
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  <span class="comment">// We already found this argument last time.</span></div>
|
|
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  <span class="keywordflow">return</span> line + currentPosn;</div>
|
|
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  <span class="comment">// Search forwards or backwards for the next argument.</span></div>
|
|
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *temp;</div>
|
|
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  <span class="keywordflow">while</span> (index > currentIndex) {</div>
|
|
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  temp = (<span class="keyword">const</span> <span class="keywordtype">char</span> *)memchr</div>
|
|
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  (line + currentPosn, <span class="charliteral">'\0'</span>, size - currentPosn);</div>
|
|
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  <span class="keywordflow">if</span> (!temp)</div>
|
|
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  currentPosn = ((size_t)(temp - line)) + 1;</div>
|
|
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  ++currentIndex;</div>
|
|
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  }</div>
|
|
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  <span class="keywordflow">while</span> (index < currentIndex) {</div>
|
|
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  temp = (<span class="keyword">const</span> <span class="keywordtype">char</span> *)memrchr(line, <span class="charliteral">'\0'</span>, currentPosn - 1);</div>
|
|
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  <span class="keywordflow">if</span> (temp)</div>
|
|
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  currentPosn = ((size_t)(temp - line)) + 1;</div>
|
|
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  currentPosn = 0;</div>
|
|
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  --currentIndex;</div>
|
|
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  }</div>
|
|
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  <span class="keywordflow">return</span> line + currentPosn;</div>
|
|
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  }</div>
|
|
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span> }</div>
|
|
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span> </div>
|
|
<div class="line"><a name="l00958"></a><span class="lineno"><a class="line" href="classLoginShell.html#a88a72760d4dc960c32e2fa4b691f9558"> 958</a></span> <span class="keywordtype">void</span> <a class="code" href="classLoginShell.html#a88a72760d4dc960c32e2fa4b691f9558">LoginShell::beginSession</a>()</div>
|
|
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span> {</div>
|
|
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  lineMode = LINEMODE_USERNAME | LINEMODE_ECHO | LINEMODE_PROMPT;</div>
|
|
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  curStart = 0;</div>
|
|
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  curLen = 0;</div>
|
|
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  curMax = <span class="keyword">sizeof</span>(buffer) / 2;</div>
|
|
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span> }</div>
|
|
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span> </div>
|
|
<div class="line"><a name="l01007"></a><span class="lineno"><a class="line" href="classLoginShell.html#a6574705053f780acb8f0d8594c210524"> 1007</a></span> <span class="keywordtype">void</span> <a class="code" href="classLoginShell.html#a6574705053f780acb8f0d8594c210524">LoginShell::printPrompt</a>()</div>
|
|
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span> {</div>
|
|
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  <span class="keyword">static</span> <span class="keywordtype">char</span> <span class="keyword">const</span> loginString[] PROGMEM = <span class="stringliteral">"login: "</span>;</div>
|
|
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  <span class="keyword">static</span> <span class="keywordtype">char</span> <span class="keyword">const</span> passwordString[] PROGMEM = <span class="stringliteral">"Password: "</span>;</div>
|
|
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  <span class="keywordflow">if</span> (lineMode & LINEMODE_NORMAL) {</div>
|
|
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  <span class="comment">// Print the prompt for normal command entry.</span></div>
|
|
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  <span class="keywordflow">if</span> (prom)</div>
|
|
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  print(prom);</div>
|
|
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span> </div>
|
|
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>  <span class="comment">// Normal commands occupy the full command buffer.</span></div>
|
|
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  curStart = 0;</div>
|
|
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>  curLen = 0;</div>
|
|
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  curMax = <span class="keyword">sizeof</span>(buffer);</div>
|
|
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (lineMode & LINEMODE_USERNAME) {</div>
|
|
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  <span class="comment">// Print the machine name and the login prompt.</span></div>
|
|
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  <span class="keywordflow">if</span> (machName) {</div>
|
|
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  print(machName);</div>
|
|
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  <a class="code" href="classTerminal.html#ae723f16d4f97954fb45550fa05d600bb">write</a>((uint8_t)<span class="charliteral">' '</span>);</div>
|
|
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  }</div>
|
|
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  <a class="code" href="classTerminal.html#ae0b908585ec355e0f299579a015c1170">writeProgMem</a>(loginString);</div>
|
|
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span> </div>
|
|
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>  <span class="comment">// Login name is placed into the first half of the line buffer.</span></div>
|
|
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  curStart = 0;</div>
|
|
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>  curLen = 0;</div>
|
|
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>  curMax = <span class="keyword">sizeof</span>(buffer) / 2;</div>
|
|
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (lineMode & LINEMODE_PASSWORD) {</div>
|
|
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  <span class="comment">// Print the password prompt.</span></div>
|
|
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  <a class="code" href="classTerminal.html#ae0b908585ec355e0f299579a015c1170">writeProgMem</a>(passwordString);</div>
|
|
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span> </div>
|
|
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  <span class="comment">// Password is placed into the second half of the line buffer.</span></div>
|
|
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  curStart = <span class="keyword">sizeof</span>(buffer) / 2;</div>
|
|
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  curLen = curStart;</div>
|
|
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  curMax = <span class="keyword">sizeof</span>(buffer);</div>
|
|
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  }</div>
|
|
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  lineMode &= ~LINEMODE_PROMPT;</div>
|
|
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span> }</div>
|
|
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span> </div>
|
|
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span> <span class="comment">// Default password checking function. This is not a very good security check!</span></div>
|
|
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span> <span class="keyword">static</span> <span class="keywordtype">int</span> defaultPasswordCheckFunc(<span class="keyword">const</span> <span class="keywordtype">char</span> *username, <span class="keyword">const</span> <span class="keywordtype">char</span> *password)</div>
|
|
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span> {</div>
|
|
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  <span class="keyword">static</span> <span class="keywordtype">char</span> <span class="keyword">const</span> defaultUsername[] PROGMEM = <span class="stringliteral">"root"</span>;</div>
|
|
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>  <span class="keyword">static</span> <span class="keywordtype">char</span> <span class="keyword">const</span> defaultPassword[] PROGMEM = <span class="stringliteral">"arduino"</span>;</div>
|
|
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>  <span class="keywordflow">if</span> (!strcmp_P(username, defaultUsername) &&</div>
|
|
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  !strcmp_P(password, defaultPassword)) {</div>
|
|
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  <span class="keywordflow">return</span> -1;</div>
|
|
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  }</div>
|
|
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span> }</div>
|
|
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span> </div>
|
|
<div class="line"><a name="l01057"></a><span class="lineno"><a class="line" href="classLoginShell.html#af54c5c14adac7955cf5e4f9460bd9ca5"> 1057</a></span> <span class="keywordtype">void</span> <a class="code" href="classLoginShell.html#af54c5c14adac7955cf5e4f9460bd9ca5">LoginShell::execute</a>()</div>
|
|
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span> {</div>
|
|
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  <span class="keywordflow">if</span> (lineMode & LINEMODE_NORMAL) {</div>
|
|
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  <span class="comment">// Normal command execution.</span></div>
|
|
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  <a class="code" href="classShell.html#ab4a3f80dc5ff779ac99116a1f7e35cda">Shell::execute</a>();</div>
|
|
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (lineMode & LINEMODE_USERNAME) {</div>
|
|
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  <span class="comment">// Prompting for the login username.</span></div>
|
|
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  buffer[curLen] = <span class="charliteral">'\0'</span>;</div>
|
|
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  lineMode = LINEMODE_PASSWORD | LINEMODE_PROMPT;</div>
|
|
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  println();</div>
|
|
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (lineMode & LINEMODE_PASSWORD) {</div>
|
|
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  <span class="comment">// Prompting for the login password.</span></div>
|
|
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  buffer[curLen] = <span class="charliteral">'\0'</span>;</div>
|
|
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  println();</div>
|
|
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span> </div>
|
|
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  <span class="comment">// Check the user name and password.</span></div>
|
|
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  <span class="keywordtype">int</span> <a class="code" href="classShell.html#a6ae6e1af0a7f6116e6a9a1e658fb9a84">userid</a>;</div>
|
|
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  <span class="keywordflow">if</span> (checkFunc)</div>
|
|
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  userid = checkFunc(buffer, buffer + <span class="keyword">sizeof</span>(buffer) / 2);</div>
|
|
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>  userid = defaultPasswordCheckFunc(buffer, buffer + <span class="keyword">sizeof</span>(buffer) / 2);</div>
|
|
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span> </div>
|
|
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  <span class="comment">// Clear the user name and password from memory after they are checked.</span></div>
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<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>  memset(buffer, 0, <span class="keyword">sizeof</span>(buffer));</div>
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<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span> </div>
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<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  <span class="comment">// Go to either normal mode or back to username mode.</span></div>
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<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  <span class="keywordflow">if</span> (userid >= 0) {</div>
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<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>  uid = <a class="code" href="classShell.html#a6ae6e1af0a7f6116e6a9a1e658fb9a84">userid</a>;</div>
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<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  lineMode = LINEMODE_NORMAL | LINEMODE_ECHO | LINEMODE_PROMPT;</div>
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<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  lineMode = LINEMODE_USERNAME | LINEMODE_ECHO |</div>
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<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  LINEMODE_PROMPT | LINEMODE_DELAY;</div>
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<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  timer = millis();</div>
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<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  }</div>
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<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>  }</div>
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<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span> }</div>
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<div class="ttc" id="classShellArguments_html_a1308c90889e9341f07986b4b256acc16"><div class="ttname"><a href="classShellArguments.html#a1308c90889e9341f07986b4b256acc16">ShellArguments::operator[]</a></div><div class="ttdeci">const char * operator[](int index) const </div><div class="ttdoc">Gets a specific argument for the command. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8cpp_source.html#l00927">Shell.cpp:927</a></div></div>
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<div class="ttc" id="classShell_html_a3ad32b7cd3b48c78953ab9f7384d5a58"><div class="ttname"><a href="classShell.html#a3ad32b7cd3b48c78953ab9f7384d5a58">Shell::beginSession</a></div><div class="ttdeci">virtual void beginSession()</div><div class="ttdoc">Begins a login session. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8cpp_source.html#l00594">Shell.cpp:594</a></div></div>
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<div class="ttc" id="classShell_html_a58b0e9104d1f6c7ec7d1663c69cd03dd"><div class="ttname"><a href="classShell.html#a58b0e9104d1f6c7ec7d1663c69cd03dd">Shell::help</a></div><div class="ttdeci">void help()</div><div class="ttdoc">Displays help for all supported commands. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8cpp_source.html#l00542">Shell.cpp:542</a></div></div>
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<div class="ttc" id="classTerminal_html_a33e5eb60d69e4ccf6e3c90f7428b4961"><div class="ttname"><a href="classTerminal.html#a33e5eb60d69e4ccf6e3c90f7428b4961">Terminal::unicodeKey</a></div><div class="ttdeci">long unicodeKey() const </div><div class="ttdoc">Gets the Unicode version of the last key returned by readKey(). </div><div class="ttdef"><b>Definition:</b> <a href="Terminal_8h_source.html#l00068">Terminal.h:68</a></div></div>
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<div class="ttc" id="classShell_html_ad9acba905b6e0b661cce19d57c067990"><div class="ttname"><a href="classShell.html#ad9acba905b6e0b661cce19d57c067990">Shell::begin</a></div><div class="ttdeci">bool begin(Stream &stream, size_t maxHistory=0, Terminal::Mode mode=Serial)</div><div class="ttdoc">Begin shell handling on an underlying character stream. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8cpp_source.html#l00176">Shell.cpp:176</a></div></div>
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<div class="ttc" id="classTerminal_html_ae723f16d4f97954fb45550fa05d600bb"><div class="ttname"><a href="classTerminal.html#ae723f16d4f97954fb45550fa05d600bb">Terminal::write</a></div><div class="ttdeci">virtual size_t write(uint8_t c)</div><div class="ttdoc">Writes a single byte to the underlying stream. </div><div class="ttdef"><b>Definition:</b> <a href="Terminal_8cpp_source.html#l00286">Terminal.cpp:286</a></div></div>
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<div class="ttc" id="classShell_html_a720144957bf6462659017cc25c429beb"><div class="ttname"><a href="classShell.html#a720144957bf6462659017cc25c429beb">Shell::printPrompt</a></div><div class="ttdeci">virtual void printPrompt()</div><div class="ttdoc">Prints the current prompt string. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8cpp_source.html#l00603">Shell.cpp:603</a></div></div>
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<div class="ttc" id="classShell_html_a03dfba66a0125a8c02dd71b3f3b37870"><div class="ttname"><a href="classShell.html#a03dfba66a0125a8c02dd71b3f3b37870">Shell::registerCommand</a></div><div class="ttdeci">static void registerCommand(ShellCommandRegister *cmd)</div><div class="ttdoc">Registers a command with the shell. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8cpp_source.html#l00472">Shell.cpp:472</a></div></div>
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<div class="ttc" id="classTerminal_html_a6bf417195a7d2a2fab6b3518f25764a2"><div class="ttname"><a href="classTerminal.html#a6bf417195a7d2a2fab6b3518f25764a2">Terminal::begin</a></div><div class="ttdeci">void begin(Stream &stream, Mode mode=Serial)</div><div class="ttdoc">Begins terminal operations on an underlying stream. </div><div class="ttdef"><b>Definition:</b> <a href="Terminal_8cpp_source.html#l00183">Terminal.cpp:183</a></div></div>
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<div class="ttc" id="classShell_html_ab9dab65bc0757ce3bb0ac926bbefcee3"><div class="ttname"><a href="classShell.html#ab9dab65bc0757ce3bb0ac926bbefcee3">Shell::exit</a></div><div class="ttdeci">void exit()</div><div class="ttdoc">Exit from the shell back to the login prompt. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8cpp_source.html#l00577">Shell.cpp:577</a></div></div>
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<div class="ttc" id="classTerminal_html_ae4aec627f980fe0d26653401785d41bc"><div class="ttname"><a href="classTerminal.html#ae4aec627f980fe0d26653401785d41bc">Terminal::backspace</a></div><div class="ttdeci">void backspace()</div><div class="ttdoc">Backspaces over the last character. </div><div class="ttdef"><b>Definition:</b> <a href="Terminal_8cpp_source.html#l00949">Terminal.cpp:949</a></div></div>
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<div class="ttc" id="classLoginShell_html_a6574705053f780acb8f0d8594c210524"><div class="ttname"><a href="classLoginShell.html#a6574705053f780acb8f0d8594c210524">LoginShell::printPrompt</a></div><div class="ttdeci">virtual void printPrompt()</div><div class="ttdoc">Prints the current prompt string. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8cpp_source.html#l01007">Shell.cpp:1007</a></div></div>
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<div class="ttc" id="classShell_html_afc45cae4ccfc76321a254bb617dce08c"><div class="ttname"><a href="classShell.html#afc45cae4ccfc76321a254bb617dce08c">Shell::loop</a></div><div class="ttdeci">void loop()</div><div class="ttdoc">Performs regular activities on the shell. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8cpp_source.html#l00294">Shell.cpp:294</a></div></div>
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<div class="ttc" id="classShell_html_ad613444a902075e8fd26b1f51c4d3b63"><div class="ttname"><a href="classShell.html#ad613444a902075e8fd26b1f51c4d3b63">Shell::Shell</a></div><div class="ttdeci">Shell()</div><div class="ttdoc">Constructs a new Shell instance. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8cpp_source.html#l00122">Shell.cpp:122</a></div></div>
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<div class="ttc" id="classTerminal_html_a6fd7d021468962e9604bee0522b3a364"><div class="ttname"><a href="classTerminal.html#a6fd7d021468962e9604bee0522b3a364">Terminal::Mode</a></div><div class="ttdeci">Mode</div><div class="ttdoc">Mode to operate in, Serial or Telnet. </div><div class="ttdef"><b>Definition:</b> <a href="Terminal_8h_source.html#l00042">Terminal.h:42</a></div></div>
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<div class="ttc" id="classTerminal_html_a18f46590476d5231e9480b5f69a68f63"><div class="ttname"><a href="classTerminal.html#a18f46590476d5231e9480b5f69a68f63">Terminal::stream</a></div><div class="ttdeci">Stream * stream() const </div><div class="ttdoc">Returns a pointer to the underlying Stream, or NULL if the stream has not been set with begin() yet...</div><div class="ttdef"><b>Definition:</b> <a href="Terminal_8h_source.html#l00051">Terminal.h:51</a></div></div>
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<div class="ttc" id="classLoginShell_html_a88a72760d4dc960c32e2fa4b691f9558"><div class="ttname"><a href="classLoginShell.html#a88a72760d4dc960c32e2fa4b691f9558">LoginShell::beginSession</a></div><div class="ttdeci">virtual void beginSession()</div><div class="ttdoc">Begins a login session. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8cpp_source.html#l00958">Shell.cpp:958</a></div></div>
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<div class="ttc" id="classShell_html_ad5bac6a4033cd81e24c1345650bca744"><div class="ttname"><a href="classShell.html#ad5bac6a4033cd81e24c1345650bca744">Shell::ShellCommandFunc</a></div><div class="ttdeci">ShellCommandFunc</div><div class="ttdoc">Type of functions that provide shell command handlers. </div></div>
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<div class="ttc" id="classShellArguments_html_ad1d8f103c645bc280e518f2522a62cc1"><div class="ttname"><a href="classShellArguments.html#ad1d8f103c645bc280e518f2522a62cc1">ShellArguments::count</a></div><div class="ttdeci">int count() const </div><div class="ttdoc">Returns the number of arguments, including the name of the command. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8h_source.html#l00127">Shell.h:127</a></div></div>
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<div class="ttc" id="classTerminal_html_ae0b908585ec355e0f299579a015c1170"><div class="ttname"><a href="classTerminal.html#ae0b908585ec355e0f299579a015c1170">Terminal::writeProgMem</a></div><div class="ttdeci">void writeProgMem(const char *str)</div><div class="ttdoc">Writes a static string that is stored in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="Terminal_8cpp_source.html#l00314">Terminal.cpp:314</a></div></div>
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<div class="ttc" id="classShell_html_ab4a3f80dc5ff779ac99116a1f7e35cda"><div class="ttname"><a href="classShell.html#ab4a3f80dc5ff779ac99116a1f7e35cda">Shell::execute</a></div><div class="ttdeci">virtual void execute()</div><div class="ttdoc">Executes the command in the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8cpp_source.html#l00613">Shell.cpp:613</a></div></div>
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<div class="ttc" id="classTerminal_html_ae6478319776ecb726613b38429d7cdec"><div class="ttname"><a href="classTerminal.html#ae6478319776ecb726613b38429d7cdec">Terminal::utf8Format</a></div><div class="ttdeci">static size_t utf8Format(uint8_t *buffer, long code)</div><div class="ttdoc">Formats a Unicode code point in a buffer in the UTF-8 encoding. </div><div class="ttdef"><b>Definition:</b> <a href="Terminal_8cpp_source.html#l01334">Terminal.cpp:1334</a></div></div>
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<div class="ttc" id="classTerminal_html_a0ed780bd8568f752c5d3dfe68a111c52"><div class="ttname"><a href="classTerminal.html#a0ed780bd8568f752c5d3dfe68a111c52">Terminal::utf8Length</a></div><div class="ttdeci">static size_t utf8Length(long code)</div><div class="ttdoc">Determines the length of a Unicode code point in the UTF-8 encoding. </div><div class="ttdef"><b>Definition:</b> <a href="Terminal_8cpp_source.html#l01302">Terminal.cpp:1302</a></div></div>
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<div class="ttc" id="classLoginShell_html_af54c5c14adac7955cf5e4f9460bd9ca5"><div class="ttname"><a href="classLoginShell.html#af54c5c14adac7955cf5e4f9460bd9ca5">LoginShell::execute</a></div><div class="ttdeci">virtual void execute()</div><div class="ttdoc">Executes the command in the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8cpp_source.html#l01057">Shell.cpp:1057</a></div></div>
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<div class="ttc" id="classTerminal_html_a9e4c08d43a1a1c039e385d63aca049c0"><div class="ttname"><a href="classTerminal.html#a9e4c08d43a1a1c039e385d63aca049c0">Terminal::end</a></div><div class="ttdeci">void end()</div><div class="ttdoc">Ends terminal operations on an underlying stream. </div><div class="ttdef"><b>Definition:</b> <a href="Terminal_8cpp_source.html#l00198">Terminal.cpp:198</a></div></div>
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<div class="ttc" id="classTerminal_html_aa82621ea174422601cc7384c8185eb96"><div class="ttname"><a href="classTerminal.html#aa82621ea174422601cc7384c8185eb96">Terminal::readKey</a></div><div class="ttdeci">int readKey()</div><div class="ttdoc">Reads the next key that was typed on this terminal. </div><div class="ttdef"><b>Definition:</b> <a href="Terminal_8cpp_source.html#l00387">Terminal.cpp:387</a></div></div>
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<div class="ttc" id="classShellArguments_html"><div class="ttname"><a href="classShellArguments.html">ShellArguments</a></div><div class="ttdoc">Convenience class that encapsulates an array of shell command arguments. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8h_source.html#l00119">Shell.h:119</a></div></div>
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<div class="ttc" id="classShell_html_a8a654aadd0b6a379309bb1007749e41d"><div class="ttname"><a href="classShell.html#a8a654aadd0b6a379309bb1007749e41d">Shell::end</a></div><div class="ttdeci">void end()</div><div class="ttdoc">Ends shell processing on the underlying stream. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8cpp_source.html#l00262">Shell.cpp:262</a></div></div>
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<div class="ttc" id="classTerminal_html_a25fdddd02378250799016cbb714c8a6b"><div class="ttname"><a href="classTerminal.html#a25fdddd02378250799016cbb714c8a6b">Terminal::isWideCharacter</a></div><div class="ttdeci">static bool isWideCharacter(long code)</div><div class="ttdoc">Determine if a Unicode character is wide. </div><div class="ttdef"><b>Definition:</b> <a href="Terminal_8cpp_source.html#l01247">Terminal.cpp:1247</a></div></div>
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<div class="ttc" id="classShell_html_a95f78f499b3dfd9c83f4099cf90ef3df"><div class="ttname"><a href="classShell.html#a95f78f499b3dfd9c83f4099cf90ef3df">Shell::~Shell</a></div><div class="ttdeci">virtual ~Shell()</div><div class="ttdoc">Destroys this Shell object. </div><div class="ttdef"><b>Definition:</b> <a href="Shell_8cpp_source.html#l00141">Shell.cpp:141</a></div></div>
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<div class="ttc" id="classShell_html_a6ae6e1af0a7f6116e6a9a1e658fb9a84"><div class="ttname"><a href="classShell.html#a6ae6e1af0a7f6116e6a9a1e658fb9a84">Shell::userid</a></div><div class="ttdeci">int userid() const </div><div class="ttdoc">Gets the user identifier for the currently logged in user, or -1 if there is no user logged in curren...</div><div class="ttdef"><b>Definition:</b> <a href="Shell_8h_source.html#l00079">Shell.h:79</a></div></div>
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