From 60cc5c8bb58405cf1889a26b1eb34e64fb8b8ea8 Mon Sep 17 00:00:00 2001 From: Jason Benaim Date: Fri, 19 Jul 2019 12:46:33 -0700 Subject: [PATCH] Remove unused JSON stuff. --- json-builder.c | 994 ----------------------------------------------- json-builder.h | 159 -------- json.c | 1011 ------------------------------------------------ json.h | 283 -------------- 4 files changed, 2447 deletions(-) delete mode 100644 json-builder.c delete mode 100644 json-builder.h delete mode 100644 json.c delete mode 100644 json.h diff --git a/json-builder.c b/json-builder.c deleted file mode 100644 index ccf935a..0000000 --- a/json-builder.c +++ /dev/null @@ -1,994 +0,0 @@ - -/* vim: set et ts=3 sw=3 sts=3 ft=c: - * - * Copyright (C) 2014 James McLaughlin. All rights reserved. - * https://github.com/udp/json-builder - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include "json-builder.h" - -#include -#include -#include - -#ifdef _MSC_VER - #define snprintf _snprintf -#endif - -static const json_serialize_opts default_opts = -{ - json_serialize_mode_single_line, - 0, - 3 /* indent_size */ -}; - -typedef struct json_builder_value -{ - json_value value; - - int is_builder_value; - - size_t additional_length_allocated; - size_t length_iterated; - -} json_builder_value; - -static int builderize (json_value * value) -{ - if (((json_builder_value *) value)->is_builder_value) - return 1; - - if (value->type == json_object) - { - unsigned int i; - - /* Values straight out of the parser have the names of object entries - * allocated in the same allocation as the values array itself. This is - * not desirable when manipulating values because the names would be easy - * to clobber. - */ - for (i = 0; i < value->u.object.length; ++ i) - { - json_char * name_copy; - json_object_entry * entry = &value->u.object.values [i]; - - if (! (name_copy = (json_char *) malloc ((entry->name_length + 1) * sizeof (json_char)))) - return 0; - - memcpy (name_copy, entry->name, entry->name_length + 1); - entry->name = name_copy; - } - } - - ((json_builder_value *) value)->is_builder_value = 1; - - return 1; -} - -const size_t json_builder_extra = sizeof(json_builder_value) - sizeof(json_value); - -/* These flags are set up from the opts before serializing to make the - * serializer conditions simpler. - */ -const int f_spaces_around_brackets = (1 << 0); -const int f_spaces_after_commas = (1 << 1); -const int f_spaces_after_colons = (1 << 2); -const int f_tabs = (1 << 3); - -static int get_serialize_flags (json_serialize_opts opts) -{ - int flags = 0; - - if (opts.mode == json_serialize_mode_packed) - return 0; - - if (opts.mode == json_serialize_mode_multiline) - { - if (opts.opts & json_serialize_opt_use_tabs) - flags |= f_tabs; - } - else - { - if (! (opts.opts & json_serialize_opt_pack_brackets)) - flags |= f_spaces_around_brackets; - - if (! (opts.opts & json_serialize_opt_no_space_after_comma)) - flags |= f_spaces_after_commas; - } - - if (! (opts.opts & json_serialize_opt_no_space_after_colon)) - flags |= f_spaces_after_colons; - - return flags; -} - -json_value * json_array_new (size_t length) -{ - json_value * value = (json_value *) calloc (1, sizeof (json_builder_value)); - - if (!value) - return NULL; - - ((json_builder_value *) value)->is_builder_value = 1; - - value->type = json_array; - - if (! (value->u.array.values = (json_value **) malloc (length * sizeof (json_value *)))) - { - free (value); - return NULL; - } - - ((json_builder_value *) value)->additional_length_allocated = length; - - return value; -} - -json_value * json_array_push (json_value * array, json_value * value) -{ - assert (array->type == json_array); - - if (!builderize (array) || !builderize (value)) - return NULL; - - if (((json_builder_value *) array)->additional_length_allocated > 0) - { - -- ((json_builder_value *) array)->additional_length_allocated; - } - else - { - json_value ** values_new = (json_value **) realloc - (array->u.array.values, sizeof (json_value *) * (array->u.array.length + 1)); - - if (!values_new) - return NULL; - - array->u.array.values = values_new; - } - - array->u.array.values [array->u.array.length] = value; - ++ array->u.array.length; - - value->parent = array; - - return value; -} - -json_value * json_object_new (size_t length) -{ - json_value * value = (json_value *) calloc (1, sizeof (json_builder_value)); - - if (!value) - return NULL; - - ((json_builder_value *) value)->is_builder_value = 1; - - value->type = json_object; - - if (! (value->u.object.values = (json_object_entry *) calloc - (length, sizeof (*value->u.object.values)))) - { - free (value); - return NULL; - } - - ((json_builder_value *) value)->additional_length_allocated = length; - - return value; -} - -json_value * json_object_push (json_value * object, - const json_char * name, - json_value * value) -{ - return json_object_push_length (object, strlen (name), name, value); -} - -json_value * json_object_push_length (json_value * object, - unsigned int name_length, const json_char * name, - json_value * value) -{ - json_char * name_copy; - - assert (object->type == json_object); - - if (! (name_copy = (json_char *) malloc ((name_length + 1) * sizeof (json_char)))) - return NULL; - - memcpy (name_copy, name, name_length * sizeof (json_char)); - name_copy [name_length] = 0; - - if (!json_object_push_nocopy (object, name_length, name_copy, value)) - { - free (name_copy); - return NULL; - } - - return value; -} - -json_value * json_object_push_nocopy (json_value * object, - unsigned int name_length, json_char * name, - json_value * value) -{ - json_object_entry * entry; - - assert (object->type == json_object); - - if (!builderize (object) || !builderize (value)) - return NULL; - - if (((json_builder_value *) object)->additional_length_allocated > 0) - { - -- ((json_builder_value *) object)->additional_length_allocated; - } - else - { - json_object_entry * values_new = (json_object_entry *) - realloc (object->u.object.values, sizeof (*object->u.object.values) - * (object->u.object.length + 1)); - - if (!values_new) - return NULL; - - object->u.object.values = values_new; - } - - entry = object->u.object.values + object->u.object.length; - - entry->name_length = name_length; - entry->name = name; - entry->value = value; - - ++ object->u.object.length; - - value->parent = object; - - return value; -} - -json_value * json_string_new (const json_char * buf) -{ - return json_string_new_length (strlen (buf), buf); -} - -json_value * json_string_new_length (unsigned int length, const json_char * buf) -{ - json_value * value; - json_char * copy = (json_char *) malloc ((length + 1) * sizeof (json_char)); - - if (!copy) - return NULL; - - memcpy (copy, buf, length * sizeof (json_char)); - copy [length] = 0; - - if (! (value = json_string_new_nocopy (length, copy))) - { - free (copy); - return NULL; - } - - return value; -} - -json_value * json_string_new_nocopy (unsigned int length, json_char * buf) -{ - json_value * value = (json_value *) calloc (1, sizeof (json_builder_value)); - - if (!value) - return NULL; - - ((json_builder_value *) value)->is_builder_value = 1; - - value->type = json_string; - value->u.string.length = length; - value->u.string.ptr = buf; - - return value; -} - -json_value * json_integer_new (json_int_t integer) -{ - json_value * value = (json_value *) calloc (1, sizeof (json_builder_value)); - - if (!value) - return NULL; - - ((json_builder_value *) value)->is_builder_value = 1; - - value->type = json_integer; - value->u.integer = integer; - - return value; -} - -json_value * json_double_new (double dbl) -{ - json_value * value = (json_value *) calloc (1, sizeof (json_builder_value)); - - if (!value) - return NULL; - - ((json_builder_value *) value)->is_builder_value = 1; - - value->type = json_double; - value->u.dbl = dbl; - - return value; -} - -json_value * json_boolean_new (int b) -{ - json_value * value = (json_value *) calloc (1, sizeof (json_builder_value)); - - if (!value) - return NULL; - - ((json_builder_value *) value)->is_builder_value = 1; - - value->type = json_boolean; - value->u.boolean = b; - - return value; -} - -json_value * json_null_new (void) -{ - json_value * value = (json_value *) calloc (1, sizeof (json_builder_value)); - - if (!value) - return NULL; - - ((json_builder_value *) value)->is_builder_value = 1; - - value->type = json_null; - - return value; -} - -void json_object_sort (json_value * object, json_value * proto) -{ - unsigned int i, out_index = 0; - - if (!builderize (object)) - return; /* TODO error */ - - assert (object->type == json_object); - assert (proto->type == json_object); - - for (i = 0; i < proto->u.object.length; ++ i) - { - unsigned int j; - json_object_entry proto_entry = proto->u.object.values [i]; - - for (j = 0; j < object->u.object.length; ++ j) - { - json_object_entry entry = object->u.object.values [j]; - - if (entry.name_length != proto_entry.name_length) - continue; - - if (memcmp (entry.name, proto_entry.name, entry.name_length) != 0) - continue; - - object->u.object.values [j] = object->u.object.values [out_index]; - object->u.object.values [out_index] = entry; - - ++ out_index; - } - } -} - -json_value * json_object_merge (json_value * objectA, json_value * objectB) -{ - unsigned int i; - - assert (objectA->type == json_object); - assert (objectB->type == json_object); - assert (objectA != objectB); - - if (!builderize (objectA) || !builderize (objectB)) - return NULL; - - if (objectB->u.object.length <= - ((json_builder_value *) objectA)->additional_length_allocated) - { - ((json_builder_value *) objectA)->additional_length_allocated - -= objectB->u.object.length; - } - else - { - json_object_entry * values_new; - - unsigned int alloc = - objectA->u.object.length - + ((json_builder_value *) objectA)->additional_length_allocated - + objectB->u.object.length; - - if (! (values_new = (json_object_entry *) - realloc (objectA->u.object.values, sizeof (json_object_entry) * alloc))) - { - return NULL; - } - - objectA->u.object.values = values_new; - } - - for (i = 0; i < objectB->u.object.length; ++ i) - { - json_object_entry * entry = &objectA->u.object.values[objectA->u.object.length + i]; - - *entry = objectB->u.object.values[i]; - entry->value->parent = objectA; - } - - objectA->u.object.length += objectB->u.object.length; - - free (objectB->u.object.values); - free (objectB); - - return objectA; -} - -static size_t measure_string (unsigned int length, - const json_char * str) -{ - unsigned int i; - size_t measured_length = 0; - - for(i = 0; i < length; ++ i) - { - json_char c = str [i]; - - switch (c) - { - case '"': - case '\\': - case '\b': - case '\f': - case '\n': - case '\r': - case '\t': - - measured_length += 2; - break; - - default: - - ++ measured_length; - break; - }; - }; - - return measured_length; -} - -#define PRINT_ESCAPED(c) do { \ - *buf ++ = '\\'; \ - *buf ++ = (c); \ -} while(0); \ - -static size_t serialize_string (json_char * buf, - unsigned int length, - const json_char * str) -{ - json_char * orig_buf = buf; - unsigned int i; - - for(i = 0; i < length; ++ i) - { - json_char c = str [i]; - - switch (c) - { - case '"': PRINT_ESCAPED ('\"'); continue; - case '\\': PRINT_ESCAPED ('\\'); continue; - case '\b': PRINT_ESCAPED ('b'); continue; - case '\f': PRINT_ESCAPED ('f'); continue; - case '\n': PRINT_ESCAPED ('n'); continue; - case '\r': PRINT_ESCAPED ('r'); continue; - case '\t': PRINT_ESCAPED ('t'); continue; - - default: - - *buf ++ = c; - break; - }; - }; - - return buf - orig_buf; -} - -size_t json_measure (json_value * value) -{ - return json_measure_ex (value, default_opts); -} - -#define MEASURE_NEWLINE() do { \ - ++ newlines; \ - indents += depth; \ -} while(0); \ - -size_t json_measure_ex (json_value * value, json_serialize_opts opts) -{ - size_t total = 1; /* null terminator */ - size_t newlines = 0; - size_t depth = 0; - size_t indents = 0; - int flags; - int bracket_size, comma_size, colon_size; - - flags = get_serialize_flags (opts); - - /* to reduce branching - */ - bracket_size = flags & f_spaces_around_brackets ? 2 : 1; - comma_size = flags & f_spaces_after_commas ? 2 : 1; - colon_size = flags & f_spaces_after_colons ? 2 : 1; - - while (value) - { - json_int_t integer; - json_object_entry * entry; - - switch (value->type) - { - case json_array: - - if (((json_builder_value *) value)->length_iterated == 0) - { - if (value->u.array.length == 0) - { - total += 2; /* `[]` */ - break; - } - - total += bracket_size; /* `[` */ - - ++ depth; - MEASURE_NEWLINE(); /* \n after [ */ - } - - if (((json_builder_value *) value)->length_iterated == value->u.array.length) - { - -- depth; - MEASURE_NEWLINE(); - total += bracket_size; /* `]` */ - - ((json_builder_value *) value)->length_iterated = 0; - break; - } - - if (((json_builder_value *) value)->length_iterated > 0) - { - total += comma_size; /* `, ` */ - - MEASURE_NEWLINE(); - } - - ((json_builder_value *) value)->length_iterated++; - value = value->u.array.values [((json_builder_value *) value)->length_iterated - 1]; - continue; - - case json_object: - - if (((json_builder_value *) value)->length_iterated == 0) - { - if (value->u.object.length == 0) - { - total += 2; /* `{}` */ - break; - } - - total += bracket_size; /* `{` */ - - ++ depth; - MEASURE_NEWLINE(); /* \n after { */ - } - - if (((json_builder_value *) value)->length_iterated == value->u.object.length) - { - -- depth; - MEASURE_NEWLINE(); - total += bracket_size; /* `}` */ - - ((json_builder_value *) value)->length_iterated = 0; - break; - } - - if (((json_builder_value *) value)->length_iterated > 0) - { - total += comma_size; /* `, ` */ - MEASURE_NEWLINE(); - } - - entry = value->u.object.values + (((json_builder_value *) value)->length_iterated ++); - - total += 2 + colon_size; /* `"": ` */ - total += measure_string (entry->name_length, entry->name); - - value = entry->value; - continue; - - case json_string: - - total += 2; /* `""` */ - total += measure_string (value->u.string.length, value->u.string.ptr); - break; - - case json_integer: - - integer = value->u.integer; - - if (integer < 0) - { - total += 1; /* `-` */ - integer = - integer; - } - - ++ total; /* first digit */ - - while (integer >= 10) - { - ++ total; /* another digit */ - integer /= 10; - } - - break; - - case json_double: - - total += snprintf (NULL, 0, "%g", value->u.dbl); - - /* Because sometimes we need to add ".0" if sprintf does not do it - * for us. Downside is that we allocate more bytes than strictly - * needed for serialization. - */ - total += 2; - - break; - - case json_boolean: - - total += value->u.boolean ? - 4: /* `true` */ - 5; /* `false` */ - - break; - - case json_null: - - total += 4; /* `null` */ - break; - - default: - break; - }; - - value = value->parent; - } - - if (opts.mode == json_serialize_mode_multiline) - { - total += newlines * (((opts.opts & json_serialize_opt_CRLF) ? 2 : 1) + opts.indent_size); - total += indents * opts.indent_size; - } - - return total; -} - -void json_serialize (json_char * buf, json_value * value) -{ - json_serialize_ex (buf, value, default_opts); -} - -#define PRINT_NEWLINE() do { \ - if (opts.mode == json_serialize_mode_multiline) { \ - if (opts.opts & json_serialize_opt_CRLF) \ - *buf ++ = '\r'; \ - *buf ++ = '\n'; \ - for(i = 0; i < indent; ++ i) \ - *buf ++ = indent_char; \ - } \ -} while(0); \ - -#define PRINT_OPENING_BRACKET(c) do { \ - *buf ++ = (c); \ - if (flags & f_spaces_around_brackets) \ - *buf ++ = ' '; \ -} while(0); \ - -#define PRINT_CLOSING_BRACKET(c) do { \ - if (flags & f_spaces_around_brackets) \ - *buf ++ = ' '; \ - *buf ++ = (c); \ -} while(0); \ - -void json_serialize_ex (json_char * buf, json_value * value, json_serialize_opts opts) -{ - json_int_t integer, orig_integer; - json_object_entry * entry; - json_char * ptr, * dot; - int indent = 0; - char indent_char; - int i; - int flags; - - flags = get_serialize_flags (opts); - - indent_char = flags & f_tabs ? '\t' : ' '; - - while (value) - { - switch (value->type) - { - case json_array: - - if (((json_builder_value *) value)->length_iterated == 0) - { - if (value->u.array.length == 0) - { - *buf ++ = '['; - *buf ++ = ']'; - - break; - } - - PRINT_OPENING_BRACKET ('['); - - indent += opts.indent_size; - PRINT_NEWLINE(); - } - - if (((json_builder_value *) value)->length_iterated == value->u.array.length) - { - indent -= opts.indent_size; - PRINT_NEWLINE(); - PRINT_CLOSING_BRACKET (']'); - - ((json_builder_value *) value)->length_iterated = 0; - break; - } - - if (((json_builder_value *) value)->length_iterated > 0) - { - *buf ++ = ','; - - if (flags & f_spaces_after_commas) - *buf ++ = ' '; - - PRINT_NEWLINE(); - } - - ((json_builder_value *) value)->length_iterated++; - value = value->u.array.values [((json_builder_value *) value)->length_iterated - 1]; - continue; - - case json_object: - - if (((json_builder_value *) value)->length_iterated == 0) - { - if (value->u.object.length == 0) - { - *buf ++ = '{'; - *buf ++ = '}'; - - break; - } - - PRINT_OPENING_BRACKET ('{'); - - indent += opts.indent_size; - PRINT_NEWLINE(); - } - - if (((json_builder_value *) value)->length_iterated == value->u.object.length) - { - indent -= opts.indent_size; - PRINT_NEWLINE(); - PRINT_CLOSING_BRACKET ('}'); - - ((json_builder_value *) value)->length_iterated = 0; - break; - } - - if (((json_builder_value *) value)->length_iterated > 0) - { - *buf ++ = ','; - - if (flags & f_spaces_after_commas) - *buf ++ = ' '; - - PRINT_NEWLINE(); - } - - entry = value->u.object.values + (((json_builder_value *) value)->length_iterated ++); - - *buf ++ = '\"'; - buf += serialize_string (buf, entry->name_length, entry->name); - *buf ++ = '\"'; - *buf ++ = ':'; - - if (flags & f_spaces_after_colons) - *buf ++ = ' '; - - value = entry->value; - continue; - - case json_string: - - *buf ++ = '\"'; - buf += serialize_string (buf, value->u.string.length, value->u.string.ptr); - *buf ++ = '\"'; - break; - - case json_integer: - - integer = value->u.integer; - - if (integer < 0) - { - *buf ++ = '-'; - integer = - integer; - } - - orig_integer = integer; - - ++ buf; - - while (integer >= 10) - { - ++ buf; - integer /= 10; - } - - integer = orig_integer; - ptr = buf; - - do - { - *-- ptr = "0123456789"[integer % 10]; - - } while ((integer /= 10) > 0); - - break; - - case json_double: - - ptr = buf; - - buf += sprintf (buf, "%g", value->u.dbl); - - if ((dot = strchr (ptr, ','))) - { - *dot = '.'; - } - else if (!strchr (ptr, '.') && !strchr (ptr, 'e')) - { - *buf ++ = '.'; - *buf ++ = '0'; - } - - break; - - case json_boolean: - - if (value->u.boolean) - { - memcpy (buf, "true", 4); - buf += 4; - } - else - { - memcpy (buf, "false", 5); - buf += 5; - } - - break; - - case json_null: - - memcpy (buf, "null", 4); - buf += 4; - break; - - default: - break; - }; - - value = value->parent; - } - - *buf = 0; -} - -void json_builder_free (json_value * value) -{ - json_value * cur_value; - - if (!value) - return; - - value->parent = 0; - - while (value) - { - switch (value->type) - { - case json_array: - - if (!value->u.array.length) - { - free (value->u.array.values); - break; - } - - value = value->u.array.values [-- value->u.array.length]; - continue; - - case json_object: - - if (!value->u.object.length) - { - free (value->u.object.values); - break; - } - - -- value->u.object.length; - - if (((json_builder_value *) value)->is_builder_value) - { - /* Names are allocated separately for builder values. In parser - * values, they are part of the same allocation as the values array - * itself. - */ - free (value->u.object.values [value->u.object.length].name); - } - - value = value->u.object.values [value->u.object.length].value; - continue; - - case json_string: - - free (value->u.string.ptr); - break; - - default: - break; - }; - - cur_value = value; - value = value->parent; - free (cur_value); - } -} - - - - - - diff --git a/json-builder.h b/json-builder.h deleted file mode 100644 index 59c3871..0000000 --- a/json-builder.h +++ /dev/null @@ -1,159 +0,0 @@ - -/* vim: set et ts=3 sw=3 sts=3 ft=c: - * - * Copyright (C) 2014 James McLaughlin. All rights reserved. - * https://github.com/udp/json-builder - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef _JSON_BUILDER_H -#define _JSON_BUILDER_H - -/* Requires json.h from json-parser - * https://github.com/udp/json-parser - */ -#include "json.h" - -#ifdef __cplusplus -extern "C" -{ -#endif - -/* IMPORTANT NOTE: If you want to use json-builder functions with values - * allocated by json-parser as part of the parsing process, you must pass - * json_builder_extra as the value_extra setting in json_settings when - * parsing. Otherwise there will not be room for the extra state and - * json-builder WILL invoke undefined behaviour. - * - * Also note that unlike json-parser, json-builder does not currently support - * custom allocators (for no particular reason other than that it doesn't have - * any settings or global state.) - */ -extern const size_t json_builder_extra; - - -/*** Arrays - *** - * Note that all of these length arguments are just a hint to allow for - * pre-allocation - passing 0 is fine. - */ -json_value * json_array_new (size_t length); -json_value * json_array_push (json_value * array, json_value *); - - -/*** Objects - ***/ -json_value * json_object_new (size_t length); - -json_value * json_object_push (json_value * object, - const json_char * name, - json_value *); - -/* Same as json_object_push, but doesn't call strlen() for you. - */ -json_value * json_object_push_length (json_value * object, - unsigned int name_length, const json_char * name, - json_value *); - -/* Same as json_object_push_length, but doesn't copy the name buffer before - * storing it in the value. Use this micro-optimisation at your own risk. - */ -json_value * json_object_push_nocopy (json_value * object, - unsigned int name_length, json_char * name, - json_value *); - -/* Merges all entries from objectB into objectA and destroys objectB. - */ -json_value * json_object_merge (json_value * objectA, json_value * objectB); - -/* Sort the entries of an object based on the order in a prototype object. - * Helpful when reading JSON and writing it again to preserve user order. - */ -void json_object_sort (json_value * object, json_value * proto); - - - -/*** Strings - ***/ -json_value * json_string_new (const json_char *); -json_value * json_string_new_length (unsigned int length, const json_char *); -json_value * json_string_new_nocopy (unsigned int length, json_char *); - - -/*** Everything else - ***/ -json_value * json_integer_new (json_int_t); -json_value * json_double_new (double); -json_value * json_boolean_new (int); -json_value * json_null_new (void); - - -/*** Serializing - ***/ -#define json_serialize_mode_multiline 0 -#define json_serialize_mode_single_line 1 -#define json_serialize_mode_packed 2 - -#define json_serialize_opt_CRLF (1 << 1) -#define json_serialize_opt_pack_brackets (1 << 2) -#define json_serialize_opt_no_space_after_comma (1 << 3) -#define json_serialize_opt_no_space_after_colon (1 << 4) -#define json_serialize_opt_use_tabs (1 << 5) - -typedef struct json_serialize_opts -{ - int mode; - int opts; - int indent_size; - -} json_serialize_opts; - - -/* Returns a length in characters that is at least large enough to hold the - * value in its serialized form, including a null terminator. - */ -size_t json_measure (json_value *); -size_t json_measure_ex (json_value *, json_serialize_opts); - - -/* Serializes a JSON value into the buffer given (which must already be - * allocated with a length of at least json_measure(value, opts)) - */ -void json_serialize (json_char * buf, json_value *); -void json_serialize_ex (json_char * buf, json_value *, json_serialize_opts); - - -/*** Cleaning up - ***/ -void json_builder_free (json_value *); - -#ifdef __cplusplus -} -#endif - -#endif - - - diff --git a/json.c b/json.c deleted file mode 100644 index c44b84e..0000000 --- a/json.c +++ /dev/null @@ -1,1011 +0,0 @@ -/* vim: set et ts=3 sw=3 sts=3 ft=c: - * - * Copyright (C) 2012, 2013, 2014 James McLaughlin et al. All rights reserved. - * https://github.com/udp/json-parser - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include "json.h" - -#ifdef _MSC_VER - #ifndef _CRT_SECURE_NO_WARNINGS - #define _CRT_SECURE_NO_WARNINGS - #endif -#endif - -const struct _json_value json_value_none; - -#include -#include -#include -#include - -typedef unsigned int json_uchar; - -static unsigned char hex_value (json_char c) -{ - if (isdigit(c)) - return c - '0'; - - switch (c) { - case 'a': case 'A': return 0x0A; - case 'b': case 'B': return 0x0B; - case 'c': case 'C': return 0x0C; - case 'd': case 'D': return 0x0D; - case 'e': case 'E': return 0x0E; - case 'f': case 'F': return 0x0F; - default: return 0xFF; - } -} - -typedef struct -{ - unsigned long used_memory; - - unsigned int uint_max; - unsigned long ulong_max; - - json_settings settings; - int first_pass; - - const json_char * ptr; - unsigned int cur_line, cur_col; - -} json_state; - -static void * default_alloc (size_t size, int zero, void * user_data) -{ - return zero ? calloc (1, size) : malloc (size); -} - -static void default_free (void * ptr, void * user_data) -{ - free (ptr); -} - -static void * json_alloc (json_state * state, unsigned long size, int zero) -{ - if ((state->ulong_max - state->used_memory) < size) - return 0; - - if (state->settings.max_memory - && (state->used_memory += size) > state->settings.max_memory) - { - return 0; - } - - return state->settings.mem_alloc (size, zero, state->settings.user_data); -} - -static int new_value (json_state * state, - json_value ** top, json_value ** root, json_value ** alloc, - json_type type) -{ - json_value * value; - int values_size; - - if (!state->first_pass) - { - value = *top = *alloc; - *alloc = (*alloc)->_reserved.next_alloc; - - if (!*root) - *root = value; - - switch (value->type) - { - case json_array: - - if (value->u.array.length == 0) - break; - - if (! (value->u.array.values = (json_value **) json_alloc - (state, value->u.array.length * sizeof (json_value *), 0)) ) - { - return 0; - } - - value->u.array.length = 0; - break; - - case json_object: - - if (value->u.object.length == 0) - break; - - values_size = sizeof (*value->u.object.values) * value->u.object.length; - - if (! (value->u.object.values = (json_object_entry *) json_alloc - (state, values_size + ((unsigned long) value->u.object.values), 0)) ) - { - return 0; - } - - value->_reserved.object_mem = (*(char **) &value->u.object.values) + values_size; - - value->u.object.length = 0; - break; - - case json_string: - - if (! (value->u.string.ptr = (json_char *) json_alloc - (state, (value->u.string.length + 1) * sizeof (json_char), 0)) ) - { - return 0; - } - - value->u.string.length = 0; - break; - - default: - break; - }; - - return 1; - } - - if (! (value = (json_value *) json_alloc - (state, sizeof (json_value) + state->settings.value_extra, 1))) - { - return 0; - } - - if (!*root) - *root = value; - - value->type = type; - value->parent = *top; - - #ifdef JSON_TRACK_SOURCE - value->line = state->cur_line; - value->col = state->cur_col; - #endif - - if (*alloc) - (*alloc)->_reserved.next_alloc = value; - - *alloc = *top = value; - - return 1; -} - -#define whitespace \ - case '\n': ++ state.cur_line; state.cur_col = 0; \ - case ' ': case '\t': case '\r' - -#define string_add(b) \ - do { if (!state.first_pass) string [string_length] = b; ++ string_length; } while (0); - -#define line_and_col \ - state.cur_line, state.cur_col - -static const long - flag_next = 1 << 0, - flag_reproc = 1 << 1, - flag_need_comma = 1 << 2, - flag_seek_value = 1 << 3, - flag_escaped = 1 << 4, - flag_string = 1 << 5, - flag_need_colon = 1 << 6, - flag_done = 1 << 7, - flag_num_negative = 1 << 8, - flag_num_zero = 1 << 9, - flag_num_e = 1 << 10, - flag_num_e_got_sign = 1 << 11, - flag_num_e_negative = 1 << 12, - flag_line_comment = 1 << 13, - flag_block_comment = 1 << 14; - -json_value * json_parse_ex (json_settings * settings, - const json_char * json, - size_t length, - char * error_buf) -{ - json_char error [json_error_max]; - const json_char * end; - json_value * top, * root, * alloc = 0; - json_state state = { 0 }; - long flags; - long num_digits = 0, num_e = 0; - json_int_t num_fraction = 0; - - /* Skip UTF-8 BOM - */ - if (length >= 3 && ((unsigned char) json [0]) == 0xEF - && ((unsigned char) json [1]) == 0xBB - && ((unsigned char) json [2]) == 0xBF) - { - json += 3; - length -= 3; - } - - error[0] = '\0'; - end = (json + length); - - memcpy (&state.settings, settings, sizeof (json_settings)); - - if (!state.settings.mem_alloc) - state.settings.mem_alloc = default_alloc; - - if (!state.settings.mem_free) - state.settings.mem_free = default_free; - - memset (&state.uint_max, 0xFF, sizeof (state.uint_max)); - memset (&state.ulong_max, 0xFF, sizeof (state.ulong_max)); - - state.uint_max -= 8; /* limit of how much can be added before next check */ - state.ulong_max -= 8; - - for (state.first_pass = 1; state.first_pass >= 0; -- state.first_pass) - { - json_uchar uchar; - unsigned char uc_b1, uc_b2, uc_b3, uc_b4; - json_char * string = 0; - unsigned int string_length = 0; - - top = root = 0; - flags = flag_seek_value; - - state.cur_line = 1; - - for (state.ptr = json ;; ++ state.ptr) - { - json_char b = (state.ptr == end ? 0 : *state.ptr); - - if (flags & flag_string) - { - if (!b) - { sprintf (error, "Unexpected EOF in string (at %d:%d)", line_and_col); - goto e_failed; - } - - if (string_length > state.uint_max) - goto e_overflow; - - if (flags & flag_escaped) - { - flags &= ~ flag_escaped; - - switch (b) - { - case 'b': string_add ('\b'); break; - case 'f': string_add ('\f'); break; - case 'n': string_add ('\n'); break; - case 'r': string_add ('\r'); break; - case 't': string_add ('\t'); break; - case 'u': - - if (end - state.ptr <= 4 || - (uc_b1 = hex_value (*++ state.ptr)) == 0xFF || - (uc_b2 = hex_value (*++ state.ptr)) == 0xFF || - (uc_b3 = hex_value (*++ state.ptr)) == 0xFF || - (uc_b4 = hex_value (*++ state.ptr)) == 0xFF) - { - sprintf (error, "Invalid character value `%c` (at %d:%d)", b, line_and_col); - goto e_failed; - } - - uc_b1 = (uc_b1 << 4) | uc_b2; - uc_b2 = (uc_b3 << 4) | uc_b4; - uchar = (uc_b1 << 8) | uc_b2; - - if ((uchar & 0xF800) == 0xD800) { - json_uchar uchar2; - - if (end - state.ptr <= 6 || (*++ state.ptr) != '\\' || (*++ state.ptr) != 'u' || - (uc_b1 = hex_value (*++ state.ptr)) == 0xFF || - (uc_b2 = hex_value (*++ state.ptr)) == 0xFF || - (uc_b3 = hex_value (*++ state.ptr)) == 0xFF || - (uc_b4 = hex_value (*++ state.ptr)) == 0xFF) - { - sprintf (error, "Invalid character value `%c` (at %d:%d)", b, line_and_col); - goto e_failed; - } - - uc_b1 = (uc_b1 << 4) | uc_b2; - uc_b2 = (uc_b3 << 4) | uc_b4; - uchar2 = (uc_b1 << 8) | uc_b2; - - uchar = 0x010000 | ((uchar & 0x3FF) << 10) | (uchar2 & 0x3FF); - } - - if (sizeof (json_char) >= sizeof (json_uchar) || (uchar <= 0x7F)) - { - string_add ((json_char) uchar); - break; - } - - if (uchar <= 0x7FF) - { - if (state.first_pass) - string_length += 2; - else - { string [string_length ++] = 0xC0 | (uchar >> 6); - string [string_length ++] = 0x80 | (uchar & 0x3F); - } - - break; - } - - if (uchar <= 0xFFFF) { - if (state.first_pass) - string_length += 3; - else - { string [string_length ++] = 0xE0 | (uchar >> 12); - string [string_length ++] = 0x80 | ((uchar >> 6) & 0x3F); - string [string_length ++] = 0x80 | (uchar & 0x3F); - } - - break; - } - - if (state.first_pass) - string_length += 4; - else - { string [string_length ++] = 0xF0 | (uchar >> 18); - string [string_length ++] = 0x80 | ((uchar >> 12) & 0x3F); - string [string_length ++] = 0x80 | ((uchar >> 6) & 0x3F); - string [string_length ++] = 0x80 | (uchar & 0x3F); - } - - break; - - default: - string_add (b); - }; - - continue; - } - - if (b == '\\') - { - flags |= flag_escaped; - continue; - } - - if (b == '"') - { - if (!state.first_pass) - string [string_length] = 0; - - flags &= ~ flag_string; - string = 0; - - switch (top->type) - { - case json_string: - - top->u.string.length = string_length; - flags |= flag_next; - - break; - - case json_object: - - if (state.first_pass) - (*(json_char **) &top->u.object.values) += string_length + 1; - else - { - top->u.object.values [top->u.object.length].name - = (json_char *) top->_reserved.object_mem; - - top->u.object.values [top->u.object.length].name_length - = string_length; - - (*(json_char **) &top->_reserved.object_mem) += string_length + 1; - } - - flags |= flag_seek_value | flag_need_colon; - continue; - - default: - break; - }; - } - else - { - string_add (b); - continue; - } - } - - if (state.settings.settings & json_enable_comments) - { - if (flags & (flag_line_comment | flag_block_comment)) - { - if (flags & flag_line_comment) - { - if (b == '\r' || b == '\n' || !b) - { - flags &= ~ flag_line_comment; - -- state.ptr; /* so null can be reproc'd */ - } - - continue; - } - - if (flags & flag_block_comment) - { - if (!b) - { sprintf (error, "%d:%d: Unexpected EOF in block comment", line_and_col); - goto e_failed; - } - - if (b == '*' && state.ptr < (end - 1) && state.ptr [1] == '/') - { - flags &= ~ flag_block_comment; - ++ state.ptr; /* skip closing sequence */ - } - - continue; - } - } - else if (b == '/') - { - if (! (flags & (flag_seek_value | flag_done)) && top->type != json_object) - { sprintf (error, "%d:%d: Comment not allowed here", line_and_col); - goto e_failed; - } - - if (++ state.ptr == end) - { sprintf (error, "%d:%d: EOF unexpected", line_and_col); - goto e_failed; - } - - switch (b = *state.ptr) - { - case '/': - flags |= flag_line_comment; - continue; - - case '*': - flags |= flag_block_comment; - continue; - - default: - sprintf (error, "%d:%d: Unexpected `%c` in comment opening sequence", line_and_col, b); - goto e_failed; - }; - } - } - - if (flags & flag_done) - { - if (!b) - break; - - switch (b) - { - whitespace: - continue; - - default: - - sprintf (error, "%d:%d: Trailing garbage: `%c`", - state.cur_line, state.cur_col, b); - - goto e_failed; - }; - } - - if (flags & flag_seek_value) - { - switch (b) - { - whitespace: - continue; - - case ']': - - if (top && top->type == json_array) - flags = (flags & ~ (flag_need_comma | flag_seek_value)) | flag_next; - else - { sprintf (error, "%d:%d: Unexpected ]", line_and_col); - goto e_failed; - } - - break; - - default: - - if (flags & flag_need_comma) - { - if (b == ',') - { flags &= ~ flag_need_comma; - continue; - } - else - { - sprintf (error, "%d:%d: Expected , before %c", - state.cur_line, state.cur_col, b); - - goto e_failed; - } - } - - if (flags & flag_need_colon) - { - if (b == ':') - { flags &= ~ flag_need_colon; - continue; - } - else - { - sprintf (error, "%d:%d: Expected : before %c", - state.cur_line, state.cur_col, b); - - goto e_failed; - } - } - - flags &= ~ flag_seek_value; - - switch (b) - { - case '{': - - if (!new_value (&state, &top, &root, &alloc, json_object)) - goto e_alloc_failure; - - continue; - - case '[': - - if (!new_value (&state, &top, &root, &alloc, json_array)) - goto e_alloc_failure; - - flags |= flag_seek_value; - continue; - - case '"': - - if (!new_value (&state, &top, &root, &alloc, json_string)) - goto e_alloc_failure; - - flags |= flag_string; - - string = top->u.string.ptr; - string_length = 0; - - continue; - - case 't': - - if ((end - state.ptr) < 3 || *(++ state.ptr) != 'r' || - *(++ state.ptr) != 'u' || *(++ state.ptr) != 'e') - { - goto e_unknown_value; - } - - if (!new_value (&state, &top, &root, &alloc, json_boolean)) - goto e_alloc_failure; - - top->u.boolean = 1; - - flags |= flag_next; - break; - - case 'f': - - if ((end - state.ptr) < 4 || *(++ state.ptr) != 'a' || - *(++ state.ptr) != 'l' || *(++ state.ptr) != 's' || - *(++ state.ptr) != 'e') - { - goto e_unknown_value; - } - - if (!new_value (&state, &top, &root, &alloc, json_boolean)) - goto e_alloc_failure; - - flags |= flag_next; - break; - - case 'n': - - if ((end - state.ptr) < 3 || *(++ state.ptr) != 'u' || - *(++ state.ptr) != 'l' || *(++ state.ptr) != 'l') - { - goto e_unknown_value; - } - - if (!new_value (&state, &top, &root, &alloc, json_null)) - goto e_alloc_failure; - - flags |= flag_next; - break; - - default: - - if (isdigit (b) || b == '-') - { - if (!new_value (&state, &top, &root, &alloc, json_integer)) - goto e_alloc_failure; - - if (!state.first_pass) - { - while (isdigit (b) || b == '+' || b == '-' - || b == 'e' || b == 'E' || b == '.') - { - if ( (++ state.ptr) == end) - { - b = 0; - break; - } - - b = *state.ptr; - } - - flags |= flag_next | flag_reproc; - break; - } - - flags &= ~ (flag_num_negative | flag_num_e | - flag_num_e_got_sign | flag_num_e_negative | - flag_num_zero); - - num_digits = 0; - num_fraction = 0; - num_e = 0; - - if (b != '-') - { - flags |= flag_reproc; - break; - } - - flags |= flag_num_negative; - continue; - } - else - { sprintf (error, "%d:%d: Unexpected %c when seeking value", line_and_col, b); - goto e_failed; - } - }; - }; - } - else - { - switch (top->type) - { - case json_object: - - switch (b) - { - whitespace: - continue; - - case '"': - - if (flags & flag_need_comma) - { sprintf (error, "%d:%d: Expected , before \"", line_and_col); - goto e_failed; - } - - flags |= flag_string; - - string = (json_char *) top->_reserved.object_mem; - string_length = 0; - - break; - - case '}': - - flags = (flags & ~ flag_need_comma) | flag_next; - break; - - case ',': - - if (flags & flag_need_comma) - { - flags &= ~ flag_need_comma; - break; - } - - default: - sprintf (error, "%d:%d: Unexpected `%c` in object", line_and_col, b); - goto e_failed; - }; - - break; - - case json_integer: - case json_double: - - if (isdigit (b)) - { - ++ num_digits; - - if (top->type == json_integer || flags & flag_num_e) - { - if (! (flags & flag_num_e)) - { - if (flags & flag_num_zero) - { sprintf (error, "%d:%d: Unexpected `0` before `%c`", line_and_col, b); - goto e_failed; - } - - if (num_digits == 1 && b == '0') - flags |= flag_num_zero; - } - else - { - flags |= flag_num_e_got_sign; - num_e = (num_e * 10) + (b - '0'); - continue; - } - - top->u.integer = (top->u.integer * 10) + (b - '0'); - continue; - } - - num_fraction = (num_fraction * 10) + (b - '0'); - continue; - } - - if (b == '+' || b == '-') - { - if ( (flags & flag_num_e) && !(flags & flag_num_e_got_sign)) - { - flags |= flag_num_e_got_sign; - - if (b == '-') - flags |= flag_num_e_negative; - - continue; - } - } - else if (b == '.' && top->type == json_integer) - { - if (!num_digits) - { sprintf (error, "%d:%d: Expected digit before `.`", line_and_col); - goto e_failed; - } - - top->type = json_double; - top->u.dbl = (double) top->u.integer; - - num_digits = 0; - continue; - } - - if (! (flags & flag_num_e)) - { - if (top->type == json_double) - { - if (!num_digits) - { sprintf (error, "%d:%d: Expected digit after `.`", line_and_col); - goto e_failed; - } - - top->u.dbl += ((double) num_fraction) / (pow (10.0, (double) num_digits)); - } - - if (b == 'e' || b == 'E') - { - flags |= flag_num_e; - - if (top->type == json_integer) - { - top->type = json_double; - top->u.dbl = (double) top->u.integer; - } - - num_digits = 0; - flags &= ~ flag_num_zero; - - continue; - } - } - else - { - if (!num_digits) - { sprintf (error, "%d:%d: Expected digit after `e`", line_and_col); - goto e_failed; - } - - top->u.dbl *= pow (10.0, (double) - (flags & flag_num_e_negative ? - num_e : num_e)); - } - - if (flags & flag_num_negative) - { - if (top->type == json_integer) - top->u.integer = - top->u.integer; - else - top->u.dbl = - top->u.dbl; - } - - flags |= flag_next | flag_reproc; - break; - - default: - break; - }; - } - - if (flags & flag_reproc) - { - flags &= ~ flag_reproc; - -- state.ptr; - } - - if (flags & flag_next) - { - flags = (flags & ~ flag_next) | flag_need_comma; - - if (!top->parent) - { - /* root value done */ - - flags |= flag_done; - continue; - } - - if (top->parent->type == json_array) - flags |= flag_seek_value; - - if (!state.first_pass) - { - json_value * parent = top->parent; - - switch (parent->type) - { - case json_object: - - parent->u.object.values - [parent->u.object.length].value = top; - - break; - - case json_array: - - parent->u.array.values - [parent->u.array.length] = top; - - break; - - default: - break; - }; - } - - if ( (++ top->parent->u.array.length) > state.uint_max) - goto e_overflow; - - top = top->parent; - - continue; - } - } - - alloc = root; - } - - return root; - -e_unknown_value: - - sprintf (error, "%d:%d: Unknown value", line_and_col); - goto e_failed; - -e_alloc_failure: - - strcpy (error, "Memory allocation failure"); - goto e_failed; - -e_overflow: - - sprintf (error, "%d:%d: Too long (caught overflow)", line_and_col); - goto e_failed; - -e_failed: - - if (error_buf) - { - if (*error) - strcpy (error_buf, error); - else - strcpy (error_buf, "Unknown error"); - } - - if (state.first_pass) - alloc = root; - - while (alloc) - { - top = alloc->_reserved.next_alloc; - state.settings.mem_free (alloc, state.settings.user_data); - alloc = top; - } - - if (!state.first_pass) - json_value_free_ex (&state.settings, root); - - return 0; -} - -json_value * json_parse (const json_char * json, size_t length) -{ - json_settings settings = { 0 }; - return json_parse_ex (&settings, json, length, 0); -} - -void json_value_free_ex (json_settings * settings, json_value * value) -{ - json_value * cur_value; - - if (!value) - return; - - value->parent = 0; - - while (value) - { - switch (value->type) - { - case json_array: - - if (!value->u.array.length) - { - settings->mem_free (value->u.array.values, settings->user_data); - break; - } - - value = value->u.array.values [-- value->u.array.length]; - continue; - - case json_object: - - if (!value->u.object.length) - { - settings->mem_free (value->u.object.values, settings->user_data); - break; - } - - value = value->u.object.values [-- value->u.object.length].value; - continue; - - case json_string: - - settings->mem_free (value->u.string.ptr, settings->user_data); - break; - - default: - break; - }; - - cur_value = value; - value = value->parent; - settings->mem_free (cur_value, settings->user_data); - } -} - -void json_value_free (json_value * value) -{ - json_settings settings = { 0 }; - settings.mem_free = default_free; - json_value_free_ex (&settings, value); -} - diff --git a/json.h b/json.h deleted file mode 100644 index f6549ec..0000000 --- a/json.h +++ /dev/null @@ -1,283 +0,0 @@ - -/* vim: set et ts=3 sw=3 sts=3 ft=c: - * - * Copyright (C) 2012, 2013, 2014 James McLaughlin et al. All rights reserved. - * https://github.com/udp/json-parser - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef _JSON_H -#define _JSON_H - -#ifndef json_char - #define json_char char -#endif - -#ifndef json_int_t - #ifndef _MSC_VER - #include - #define json_int_t int64_t - #else - #define json_int_t __int64 - #endif -#endif - -#include - -#ifdef __cplusplus - - #include - - extern "C" - { - -#endif - -typedef struct -{ - unsigned long max_memory; - int settings; - - /* Custom allocator support (leave null to use malloc/free) - */ - - void * (* mem_alloc) (size_t, int zero, void * user_data); - void (* mem_free) (void *, void * user_data); - - void * user_data; /* will be passed to mem_alloc and mem_free */ - - size_t value_extra; /* how much extra space to allocate for values? */ - -} json_settings; - -#define json_enable_comments 0x01 - -typedef enum -{ - json_none, - json_object, - json_array, - json_integer, - json_double, - json_string, - json_boolean, - json_null - -} json_type; - -extern const struct _json_value json_value_none; - -typedef struct _json_object_entry -{ - json_char * name; - unsigned int name_length; - - struct _json_value * value; - -} json_object_entry; - -typedef struct _json_value -{ - struct _json_value * parent; - - json_type type; - - union - { - int boolean; - json_int_t integer; - double dbl; - - struct - { - unsigned int length; - json_char * ptr; /* null terminated */ - - } string; - - struct - { - unsigned int length; - - json_object_entry * values; - - #if defined(__cplusplus) && __cplusplus >= 201103L - decltype(values) begin () const - { return values; - } - decltype(values) end () const - { return values + length; - } - #endif - - } object; - - struct - { - unsigned int length; - struct _json_value ** values; - - #if defined(__cplusplus) && __cplusplus >= 201103L - decltype(values) begin () const - { return values; - } - decltype(values) end () const - { return values + length; - } - #endif - - } array; - - } u; - - union - { - struct _json_value * next_alloc; - void * object_mem; - - } _reserved; - - #ifdef JSON_TRACK_SOURCE - - /* Location of the value in the source JSON - */ - unsigned int line, col; - - #endif - - - /* Some C++ operator sugar */ - - #ifdef __cplusplus - - public: - - inline _json_value () - { memset (this, 0, sizeof (_json_value)); - } - - inline const struct _json_value &operator [] (int index) const - { - if (type != json_array || index < 0 - || ((unsigned int) index) >= u.array.length) - { - return json_value_none; - } - - return *u.array.values [index]; - } - - inline const struct _json_value &operator [] (const char * index) const - { - if (type != json_object) - return json_value_none; - - for (unsigned int i = 0; i < u.object.length; ++ i) - if (!strcmp (u.object.values [i].name, index)) - return *u.object.values [i].value; - - return json_value_none; - } - - inline operator const char * () const - { - switch (type) - { - case json_string: - return u.string.ptr; - - default: - return ""; - }; - } - - inline operator json_int_t () const - { - switch (type) - { - case json_integer: - return u.integer; - - case json_double: - return (json_int_t) u.dbl; - - default: - return 0; - }; - } - - inline operator bool () const - { - if (type != json_boolean) - return false; - - return u.boolean != 0; - } - - inline operator double () const - { - switch (type) - { - case json_integer: - return (double) u.integer; - - case json_double: - return u.dbl; - - default: - return 0; - }; - } - - #endif - -} json_value; - -json_value * json_parse (const json_char * json, - size_t length); - -#define json_error_max 128 -json_value * json_parse_ex (json_settings * settings, - const json_char * json, - size_t length, - char * error); - -void json_value_free (json_value *); - - -/* Not usually necessary, unless you used a custom mem_alloc and now want to - * use a custom mem_free. - */ -void json_value_free_ex (json_settings * settings, - json_value *); - - -#ifdef __cplusplus - } /* extern "C" */ -#endif - -#endif - -