diff options
Diffstat (limited to 'cdec_json_parser')
| -rw-r--r-- | cdec_json_parser/JSON_parser.c | 1012 | ||||
| -rw-r--r-- | cdec_json_parser/JSON_parser.h | 152 | ||||
| -rw-r--r-- | cdec_json_parser/LICENSE | 213 | ||||
| -rw-r--r-- | cdec_json_parser/Makefile | 7 | ||||
| -rw-r--r-- | cdec_json_parser/json_parse.cc | 31 | ||||
| -rw-r--r-- | cdec_json_parser/json_parse.h | 62 |
6 files changed, 0 insertions, 1477 deletions
diff --git a/cdec_json_parser/JSON_parser.c b/cdec_json_parser/JSON_parser.c deleted file mode 100644 index 5e392bc..0000000 --- a/cdec_json_parser/JSON_parser.c +++ /dev/null @@ -1,1012 +0,0 @@ -/* JSON_parser.c */ - -/* 2007-08-24 */ - -/* -Copyright (c) 2005 JSON.org - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -The Software shall be used for Good, not Evil. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. -*/ - -/* - Callbacks, comments, Unicode handling by Jean Gressmann (jean@0x42.de), 2007-2009. - - For the added features the license above applies also. - - Changelog: - 2009-05-17 - Incorporated benrudiak@googlemail.com fix for UTF16 decoding. - - 2009-05-14 - Fixed float parsing bug related to a locale being set that didn't - use '.' as decimal point character (charles@transmissionbt.com). - - 2008-10-14 - Renamed states.IN to states.IT to avoid name clash which IN macro - defined in windef.h (alexey.pelykh@gmail.com) - - 2008-07-19 - Removed some duplicate code & debugging variable (charles@transmissionbt.com) - - 2008-05-28 - Made JSON_value structure ansi C compliant. This bug was report by - trisk@acm.jhu.edu - - 2008-05-20 - Fixed bug reported by charles@transmissionbt.com where the switching - from static to dynamic parse buffer did not copy the static parse - buffer's content. -*/ - - - -#include <assert.h> -#include <ctype.h> -#include <float.h> -#include <stddef.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <locale.h> - -#include "JSON_parser.h" - -#ifdef _MSC_VER -# if _MSC_VER >= 1400 /* Visual Studio 2005 and up */ -# pragma warning(disable:4996) // unsecure sscanf -# endif -#endif - - -#define true 1 -#define false 0 -#define __ -1 /* the universal error code */ - -/* values chosen so that the object size is approx equal to one page (4K) */ -#ifndef JSON_PARSER_STACK_SIZE -# define JSON_PARSER_STACK_SIZE 128 -#endif - -#ifndef JSON_PARSER_PARSE_BUFFER_SIZE -# define JSON_PARSER_PARSE_BUFFER_SIZE 3500 -#endif - -typedef unsigned short UTF16; - -struct JSON_parser_struct { - JSON_parser_callback callback; - void* ctx; - signed char state, before_comment_state, type, escaped, comment, allow_comments, handle_floats_manually; - UTF16 utf16_high_surrogate; - long depth; - long top; - signed char* stack; - long stack_capacity; - char decimal_point; - char* parse_buffer; - size_t parse_buffer_capacity; - size_t parse_buffer_count; - size_t comment_begin_offset; - signed char static_stack[JSON_PARSER_STACK_SIZE]; - char static_parse_buffer[JSON_PARSER_PARSE_BUFFER_SIZE]; -}; - -#define COUNTOF(x) (sizeof(x)/sizeof(x[0])) - -/* - Characters are mapped into these character classes. This allows for - a significant reduction in the size of the state transition table. -*/ - - - -enum classes { - C_SPACE, /* space */ - C_WHITE, /* other whitespace */ - C_LCURB, /* { */ - C_RCURB, /* } */ - C_LSQRB, /* [ */ - C_RSQRB, /* ] */ - C_COLON, /* : */ - C_COMMA, /* , */ - C_QUOTE, /* " */ - C_BACKS, /* \ */ - C_SLASH, /* / */ - C_PLUS, /* + */ - C_MINUS, /* - */ - C_POINT, /* . */ - C_ZERO , /* 0 */ - C_DIGIT, /* 123456789 */ - C_LOW_A, /* a */ - C_LOW_B, /* b */ - C_LOW_C, /* c */ - C_LOW_D, /* d */ - C_LOW_E, /* e */ - C_LOW_F, /* f */ - C_LOW_L, /* l */ - C_LOW_N, /* n */ - C_LOW_R, /* r */ - C_LOW_S, /* s */ - C_LOW_T, /* t */ - C_LOW_U, /* u */ - C_ABCDF, /* ABCDF */ - C_E, /* E */ - C_ETC, /* everything else */ - C_STAR, /* * */ - NR_CLASSES -}; - -static int ascii_class[128] = { -/* - This array maps the 128 ASCII characters into character classes. - The remaining Unicode characters should be mapped to C_ETC. - Non-whitespace control characters are errors. -*/ - __, __, __, __, __, __, __, __, - __, C_WHITE, C_WHITE, __, __, C_WHITE, __, __, - __, __, __, __, __, __, __, __, - __, __, __, __, __, __, __, __, - - C_SPACE, C_ETC, C_QUOTE, C_ETC, C_ETC, C_ETC, C_ETC, C_ETC, - C_ETC, C_ETC, C_STAR, C_PLUS, C_COMMA, C_MINUS, C_POINT, C_SLASH, - C_ZERO, C_DIGIT, C_DIGIT, C_DIGIT, C_DIGIT, C_DIGIT, C_DIGIT, C_DIGIT, - C_DIGIT, C_DIGIT, C_COLON, C_ETC, C_ETC, C_ETC, C_ETC, C_ETC, - - C_ETC, C_ABCDF, C_ABCDF, C_ABCDF, C_ABCDF, C_E, C_ABCDF, C_ETC, - C_ETC, C_ETC, C_ETC, C_ETC, C_ETC, C_ETC, C_ETC, C_ETC, - C_ETC, C_ETC, C_ETC, C_ETC, C_ETC, C_ETC, C_ETC, C_ETC, - C_ETC, C_ETC, C_ETC, C_LSQRB, C_BACKS, C_RSQRB, C_ETC, C_ETC, - - C_ETC, C_LOW_A, C_LOW_B, C_LOW_C, C_LOW_D, C_LOW_E, C_LOW_F, C_ETC, - C_ETC, C_ETC, C_ETC, C_ETC, C_LOW_L, C_ETC, C_LOW_N, C_ETC, - C_ETC, C_ETC, C_LOW_R, C_LOW_S, C_LOW_T, C_LOW_U, C_ETC, C_ETC, - C_ETC, C_ETC, C_ETC, C_LCURB, C_ETC, C_RCURB, C_ETC, C_ETC -}; - - -/* - The state codes. -*/ -enum states { - GO, /* start */ - OK, /* ok */ - OB, /* object */ - KE, /* key */ - CO, /* colon */ - VA, /* value */ - AR, /* array */ - ST, /* string */ - ES, /* escape */ - U1, /* u1 */ - U2, /* u2 */ - U3, /* u3 */ - U4, /* u4 */ - MI, /* minus */ - ZE, /* zero */ - IT, /* integer */ - FR, /* fraction */ - E1, /* e */ - E2, /* ex */ - E3, /* exp */ - T1, /* tr */ - T2, /* tru */ - T3, /* true */ - F1, /* fa */ - F2, /* fal */ - F3, /* fals */ - F4, /* false */ - N1, /* nu */ - N2, /* nul */ - N3, /* null */ - C1, /* / */ - C2, /* / * */ - C3, /* * */ - FX, /* *.* *eE* */ - D1, /* second UTF-16 character decoding started by \ */ - D2, /* second UTF-16 character proceeded by u */ - NR_STATES -}; - -enum actions -{ - CB = -10, /* comment begin */ - CE = -11, /* comment end */ - FA = -12, /* false */ - TR = -13, /* false */ - NU = -14, /* null */ - DE = -15, /* double detected by exponent e E */ - DF = -16, /* double detected by fraction . */ - SB = -17, /* string begin */ - MX = -18, /* integer detected by minus */ - ZX = -19, /* integer detected by zero */ - IX = -20, /* integer detected by 1-9 */ - EX = -21, /* next char is escaped */ - UC = -22 /* Unicode character read */ -}; - - -static int state_transition_table[NR_STATES][NR_CLASSES] = { -/* - The state transition table takes the current state and the current symbol, - and returns either a new state or an action. An action is represented as a - negative number. A JSON text is accepted if at the end of the text the - state is OK and if the mode is MODE_DONE. - - white 1-9 ABCDF etc - space | { } [ ] : , " \ / + - . 0 | a b c d e f l n r s t u | E | * */ -/*start GO*/ {GO,GO,-6,__,-5,__,__,__,__,__,CB,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__}, -/*ok OK*/ {OK,OK,__,-8,__,-7,__,-3,__,__,CB,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__}, -/*object OB*/ {OB,OB,__,-9,__,__,__,__,SB,__,CB,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__}, -/*key KE*/ {KE,KE,__,__,__,__,__,__,SB,__,CB,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__}, -/*colon CO*/ {CO,CO,__,__,__,__,-2,__,__,__,CB,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__}, -/*value VA*/ {VA,VA,-6,__,-5,__,__,__,SB,__,CB,__,MX,__,ZX,IX,__,__,__,__,__,FA,__,NU,__,__,TR,__,__,__,__,__}, -/*array AR*/ {AR,AR,-6,__,-5,-7,__,__,SB,__,CB,__,MX,__,ZX,IX,__,__,__,__,__,FA,__,NU,__,__,TR,__,__,__,__,__}, -/*string ST*/ {ST,__,ST,ST,ST,ST,ST,ST,-4,EX,ST,ST,ST,ST,ST,ST,ST,ST,ST,ST,ST,ST,ST,ST,ST,ST,ST,ST,ST,ST,ST,ST}, -/*escape ES*/ {__,__,__,__,__,__,__,__,ST,ST,ST,__,__,__,__,__,__,ST,__,__,__,ST,__,ST,ST,__,ST,U1,__,__,__,__}, -/*u1 U1*/ {__,__,__,__,__,__,__,__,__,__,__,__,__,__,U2,U2,U2,U2,U2,U2,U2,U2,__,__,__,__,__,__,U2,U2,__,__}, -/*u2 U2*/ {__,__,__,__,__,__,__,__,__,__,__,__,__,__,U3,U3,U3,U3,U3,U3,U3,U3,__,__,__,__,__,__,U3,U3,__,__}, -/*u3 U3*/ {__,__,__,__,__,__,__,__,__,__,__,__,__,__,U4,U4,U4,U4,U4,U4,U4,U4,__,__,__,__,__,__,U4,U4,__,__}, -/*u4 U4*/ {__,__,__,__,__,__,__,__,__,__,__,__,__,__,UC,UC,UC,UC,UC,UC,UC,UC,__,__,__,__,__,__,UC,UC,__,__}, -/*minus MI*/ {__,__,__,__,__,__,__,__,__,__,__,__,__,__,ZE,IT,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__}, -/*zero ZE*/ {OK,OK,__,-8,__,-7,__,-3,__,__,CB,__,__,DF,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__}, -/*int IT*/ {OK,OK,__,-8,__,-7,__,-3,__,__,CB,__,__,DF,IT,IT,__,__,__,__,DE,__,__,__,__,__,__,__,__,DE,__,__}, -/*frac FR*/ {OK,OK,__,-8,__,-7,__,-3,__,__,CB,__,__,__,FR,FR,__,__,__,__,E1,__,__,__,__,__,__,__,__,E1,__,__}, -/*e E1*/ {__,__,__,__,__,__,__,__,__,__,__,E2,E2,__,E3,E3,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__}, -/*ex E2*/ {__,__,__,__,__,__,__,__,__,__,__,__,__,__,E3,E3,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__}, -/*exp E3*/ {OK,OK,__,-8,__,-7,__,-3,__,__,__,__,__,__,E3,E3,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__}, -/*tr T1*/ {__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,T2,__,__,__,__,__,__,__}, -/*tru T2*/ {__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,T3,__,__,__,__}, -/*true T3*/ {__,__,__,__,__,__,__,__,__,__,CB,__,__,__,__,__,__,__,__,__,OK,__,__,__,__,__,__,__,__,__,__,__}, -/*fa F1*/ {__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,F2,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__}, -/*fal F2*/ {__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,F3,__,__,__,__,__,__,__,__,__}, -/*fals F3*/ {__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,F4,__,__,__,__,__,__}, -/*false F4*/ {__,__,__,__,__,__,__,__,__,__,CB,__,__,__,__,__,__,__,__,__,OK,__,__,__,__,__,__,__,__,__,__,__}, -/*nu N1*/ {__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,N2,__,__,__,__}, -/*nul N2*/ {__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,N3,__,__,__,__,__,__,__,__,__}, -/*null N3*/ {__,__,__,__,__,__,__,__,__,__,CB,__,__,__,__,__,__,__,__,__,__,__,OK,__,__,__,__,__,__,__,__,__}, -/*/ C1*/ {__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,C2}, -/*/* C2*/ {C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C3}, -/** C3*/ {C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,CE,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C2,C3}, -/*_. FX*/ {OK,OK,__,-8,__,-7,__,-3,__,__,__,__,__,__,FR,FR,__,__,__,__,E1,__,__,__,__,__,__,__,__,E1,__,__}, -/*\ D1*/ {__,__,__,__,__,__,__,__,__,D2,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__}, -/*\ D2*/ {__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,U1,__,__,__,__}, -}; - - -/* - These modes can be pushed on the stack. -*/ -enum modes { - MODE_ARRAY = 1, - MODE_DONE = 2, - MODE_KEY = 3, - MODE_OBJECT = 4 -}; - -static int -push(JSON_parser jc, int mode) -{ -/* - Push a mode onto the stack. Return false if there is overflow. -*/ - jc->top += 1; - if (jc->depth < 0) { - if (jc->top >= jc->stack_capacity) { - size_t bytes_to_allocate; - jc->stack_capacity *= 2; - bytes_to_allocate = jc->stack_capacity * sizeof(jc->static_stack[0]); - if (jc->stack == &jc->static_stack[0]) { - jc->stack = (signed char*)malloc(bytes_to_allocate); - memcpy(jc->stack, jc->static_stack, sizeof(jc->static_stack)); - } else { - jc->stack = (signed char*)realloc(jc->stack, bytes_to_allocate); - } - } - } else { - if (jc->top >= jc->depth) { - return false; - } - } - - jc->stack[jc->top] = mode; - return true; -} - - -static int -pop(JSON_parser jc, int mode) -{ -/* - Pop the stack, assuring that the current mode matches the expectation. - Return false if there is underflow or if the modes mismatch. -*/ - if (jc->top < 0 || jc->stack[jc->top] != mode) { - return false; - } - jc->top -= 1; - return true; -} - - -#define parse_buffer_clear(jc) \ - do {\ - jc->parse_buffer_count = 0;\ - jc->parse_buffer[0] = 0;\ - } while (0) - -#define parse_buffer_pop_back_char(jc)\ - do {\ - assert(jc->parse_buffer_count >= 1);\ - --jc->parse_buffer_count;\ - jc->parse_buffer[jc->parse_buffer_count] = 0;\ - } while (0) - -void delete_JSON_parser(JSON_parser jc) -{ - if (jc) { - if (jc->stack != &jc->static_stack[0]) { - free((void*)jc->stack); - } - if (jc->parse_buffer != &jc->static_parse_buffer[0]) { - free((void*)jc->parse_buffer); - } - free((void*)jc); - } -} - - -JSON_parser -new_JSON_parser(JSON_config* config) -{ -/* - new_JSON_parser starts the checking process by constructing a JSON_parser - object. It takes a depth parameter that restricts the level of maximum - nesting. - - To continue the process, call JSON_parser_char for each character in the - JSON text, and then call JSON_parser_done to obtain the final result. - These functions are fully reentrant. -*/ - - int depth = 0; - JSON_config default_config; - - JSON_parser jc = (JSON_parser)malloc(sizeof(struct JSON_parser_struct)); - - memset(jc, 0, sizeof(*jc)); - - - /* initialize configuration */ - init_JSON_config(&default_config); - - /* set to default configuration if none was provided */ - if (config == NULL) { - config = &default_config; - } - - depth = config->depth; - - /* We need to be able to push at least one object */ - if (depth == 0) { - depth = 1; - } - - jc->state = GO; - jc->top = -1; - - /* Do we want non-bound stack? */ - if (depth > 0) { - jc->stack_capacity = depth; - jc->depth = depth; - if (depth <= (int)COUNTOF(jc->static_stack)) { - jc->stack = &jc->static_stack[0]; - } else { - jc->stack = (signed char*)malloc(jc->stack_capacity * sizeof(jc->static_stack[0])); - } - } else { - jc->stack_capacity = COUNTOF(jc->static_stack); - jc->depth = -1; - jc->stack = &jc->static_stack[0]; - } - - /* set parser to start */ - push(jc, MODE_DONE); - - /* set up the parse buffer */ - jc->parse_buffer = &jc->static_parse_buffer[0]; - jc->parse_buffer_capacity = COUNTOF(jc->static_parse_buffer); - parse_buffer_clear(jc); - - /* set up callback, comment & float handling */ - jc->callback = config->callback; - jc->ctx = config->callback_ctx; - jc->allow_comments = config->allow_comments != 0; - jc->handle_floats_manually = config->handle_floats_manually != 0; - - /* set up decimal point */ - jc->decimal_point = *localeconv()->decimal_point; - - return jc; -} - -static void grow_parse_buffer(JSON_parser jc) -{ - size_t bytes_to_allocate; - jc->parse_buffer_capacity *= 2; - bytes_to_allocate = jc->parse_buffer_capacity * sizeof(jc->parse_buffer[0]); - if (jc->parse_buffer == &jc->static_parse_buffer[0]) { - jc->parse_buffer = (char*)malloc(bytes_to_allocate); - memcpy(jc->parse_buffer, jc->static_parse_buffer, jc->parse_buffer_count); - } else { - jc->parse_buffer = (char*)realloc(jc->parse_buffer, bytes_to_allocate); - } -} - -#define parse_buffer_push_back_char(jc, c)\ - do {\ - if (jc->parse_buffer_count + 1 >= jc->parse_buffer_capacity) grow_parse_buffer(jc);\ - jc->parse_buffer[jc->parse_buffer_count++] = c;\ - jc->parse_buffer[jc->parse_buffer_count] = 0;\ - } while (0) - -#define assert_is_non_container_type(jc) \ - assert( \ - jc->type == JSON_T_NULL || \ - jc->type == JSON_T_FALSE || \ - jc->type == JSON_T_TRUE || \ - jc->type == JSON_T_FLOAT || \ - jc->type == JSON_T_INTEGER || \ - jc->type == JSON_T_STRING) - - -static int parse_parse_buffer(JSON_parser jc) -{ - if (jc->callback) { - JSON_value value, *arg = NULL; - - if (jc->type != JSON_T_NONE) { - assert_is_non_container_type(jc); - - switch(jc->type) { - case JSON_T_FLOAT: - arg = &value; - if (jc->handle_floats_manually) { - value.vu.str.value = jc->parse_buffer; - value.vu.str.length = jc->parse_buffer_count; - } else { - /*sscanf(jc->parse_buffer, "%Lf", &value.vu.float_value);*/ - - /* not checking with end pointer b/c there may be trailing ws */ - value.vu.float_value = strtod(jc->parse_buffer, NULL); - } - break; - case JSON_T_INTEGER: - arg = &value; - sscanf(jc->parse_buffer, JSON_PARSER_INTEGER_SSCANF_TOKEN, &value.vu.integer_value); - break; - case JSON_T_STRING: - arg = &value; - value.vu.str.value = jc->parse_buffer; - value.vu.str.length = jc->parse_buffer_count; - break; - } - - if (!(*jc->callback)(jc->ctx, jc->type, arg)) { - return false; - } - } - } - - parse_buffer_clear(jc); - - return true; -} - -#define IS_HIGH_SURROGATE(uc) (((uc) & 0xFC00) == 0xD800) -#define IS_LOW_SURROGATE(uc) (((uc) & 0xFC00) == 0xDC00) -#define DECODE_SURROGATE_PAIR(hi,lo) ((((hi) & 0x3FF) << 10) + ((lo) & 0x3FF) + 0x10000) -static unsigned char utf8_lead_bits[4] = { 0x00, 0xC0, 0xE0, 0xF0 }; - -static int decode_unicode_char(JSON_parser jc) -{ - int i; - unsigned uc = 0; - char* p; - int trail_bytes; - - assert(jc->parse_buffer_count >= 6); - - p = &jc->parse_buffer[jc->parse_buffer_count - 4]; - - for (i = 12; i >= 0; i -= 4, ++p) { - unsigned x = *p; - - if (x >= 'a') { - x -= ('a' - 10); - } else if (x >= 'A') { - x -= ('A' - 10); - } else { - x &= ~0x30u; - } - - assert(x < 16); - - uc |= x << i; - } - - /* clear UTF-16 char from buffer */ - jc->parse_buffer_count -= 6; - jc->parse_buffer[jc->parse_buffer_count] = 0; - - /* attempt decoding ... */ - if (jc->utf16_high_surrogate) { - if (IS_LOW_SURROGATE(uc)) { - uc = DECODE_SURROGATE_PAIR(jc->utf16_high_surrogate, uc); - trail_bytes = 3; - jc->utf16_high_surrogate = 0; - } else { - /* high surrogate without a following low surrogate */ - return false; - } - } else { - if (uc < 0x80) { - trail_bytes = 0; - } else if (uc < 0x800) { - trail_bytes = 1; - } else if (IS_HIGH_SURROGATE(uc)) { - /* save the high surrogate and wait for the low surrogate */ - jc->utf16_high_surrogate = uc; - return true; - } else if (IS_LOW_SURROGATE(uc)) { - /* low surrogate without a preceding high surrogate */ - return false; - } else { - trail_bytes = 2; - } - } - - jc->parse_buffer[jc->parse_buffer_count++] = (char) ((uc >> (trail_bytes * 6)) | utf8_lead_bits[trail_bytes]); - - for (i = trail_bytes * 6 - 6; i >= 0; i -= 6) { - jc->parse_buffer[jc->parse_buffer_count++] = (char) (((uc >> i) & 0x3F) | 0x80); - } - - jc->parse_buffer[jc->parse_buffer_count] = 0; - - return true; -} - -static int add_escaped_char_to_parse_buffer(JSON_parser jc, int next_char) -{ - jc->escaped = 0; - /* remove the backslash */ - parse_buffer_pop_back_char(jc); - switch(next_char) { - case 'b': - parse_buffer_push_back_char(jc, '\b'); - break; - case 'f': - parse_buffer_push_back_char(jc, '\f'); - break; - case 'n': - parse_buffer_push_back_char(jc, '\n'); - break; - case 'r': - parse_buffer_push_back_char(jc, '\r'); - break; - case 't': - parse_buffer_push_back_char(jc, '\t'); - break; - case '"': - parse_buffer_push_back_char(jc, '"'); - break; - case '\\': - parse_buffer_push_back_char(jc, '\\'); - break; - case '/': - parse_buffer_push_back_char(jc, '/'); - break; - case 'u': - parse_buffer_push_back_char(jc, '\\'); - parse_buffer_push_back_char(jc, 'u'); - break; - default: - return false; - } - - return true; -} - -#define add_char_to_parse_buffer(jc, next_char, next_class) \ - do { \ - if (jc->escaped) { \ - if (!add_escaped_char_to_parse_buffer(jc, next_char)) \ - return false; \ - } else if (!jc->comment) { \ - if ((jc->type != JSON_T_NONE) | !((next_class == C_SPACE) | (next_class == C_WHITE)) /* non-white-space */) { \ - parse_buffer_push_back_char(jc, (char)next_char); \ - } \ - } \ - } while (0) - - -#define assert_type_isnt_string_null_or_bool(jc) \ - assert(jc->type != JSON_T_FALSE); \ - assert(jc->type != JSON_T_TRUE); \ - assert(jc->type != JSON_T_NULL); \ - assert(jc->type != JSON_T_STRING) - - -int -JSON_parser_char(JSON_parser jc, int next_char) -{ -/* - After calling new_JSON_parser, call this function for each character (or - partial character) in your JSON text. It can accept UTF-8, UTF-16, or - UTF-32. It returns true if things are looking ok so far. If it rejects the - text, it returns false. -*/ - int next_class, next_state; - -/* - Determine the character's class. -*/ - if (next_char < 0) { - return false; - } - if (next_char >= 128) { - next_class = C_ETC; - } else { - next_class = ascii_class[next_char]; - if (next_class <= __) { - return false; - } - } - - add_char_to_parse_buffer(jc, next_char, next_class); - -/* - Get the next state from the state transition table. -*/ - next_state = state_transition_table[jc->state][next_class]; - if (next_state >= 0) { -/* - Change the state. -*/ - jc->state = next_state; - } else { -/* - Or perform one of the actions. -*/ - switch (next_state) { -/* Unicode character */ - case UC: - if(!decode_unicode_char(jc)) { - return false; - } - /* check if we need to read a second UTF-16 char */ - if (jc->utf16_high_surrogate) { - jc->state = D1; - } else { - jc->state = ST; - } - break; -/* escaped char */ - case EX: - jc->escaped = 1; - jc->state = ES; - break; -/* integer detected by minus */ - case MX: - jc->type = JSON_T_INTEGER; - jc->state = MI; - break; -/* integer detected by zero */ - case ZX: - jc->type = JSON_T_INTEGER; - jc->state = ZE; - break; -/* integer detected by 1-9 */ - case IX: - jc->type = JSON_T_INTEGER; - jc->state = IT; - break; - -/* floating point number detected by exponent*/ - case DE: - assert_type_isnt_string_null_or_bool(jc); - jc->type = JSON_T_FLOAT; - jc->state = E1; - break; - -/* floating point number detected by fraction */ - case DF: - assert_type_isnt_string_null_or_bool(jc); - if (!jc->handle_floats_manually) { -/* - Some versions of strtod (which underlies sscanf) don't support converting - C-locale formated floating point values. -*/ - assert(jc->parse_buffer[jc->parse_buffer_count-1] == '.'); - jc->parse_buffer[jc->parse_buffer_count-1] = jc->decimal_point; - } - jc->type = JSON_T_FLOAT; - jc->state = FX; - break; -/* string begin " */ - case SB: - parse_buffer_clear(jc); - assert(jc->type == JSON_T_NONE); - jc->type = JSON_T_STRING; - jc->state = ST; - break; - -/* n */ - case NU: - assert(jc->type == JSON_T_NONE); - jc->type = JSON_T_NULL; - jc->state = N1; - break; -/* f */ - case FA: - assert(jc->type == JSON_T_NONE); - jc->type = JSON_T_FALSE; - jc->state = F1; - break; -/* t */ - case TR: - assert(jc->type == JSON_T_NONE); - jc->type = JSON_T_TRUE; - jc->state = T1; - break; - -/* closing comment */ - case CE: - jc->comment = 0; - assert(jc->parse_buffer_count == 0); - assert(jc->type == JSON_T_NONE); - jc->state = jc->before_comment_state; - break; - -/* opening comment */ - case CB: - if (!jc->allow_comments) { - return false; - } - parse_buffer_pop_back_char(jc); - if (!parse_parse_buffer(jc)) { - return false; - } - assert(jc->parse_buffer_count == 0); - assert(jc->type != JSON_T_STRING); - switch (jc->stack[jc->top]) { - case MODE_ARRAY: - case MODE_OBJECT: - switch(jc->state) { - case VA: - case AR: - jc->before_comment_state = jc->state; - break; - default: - jc->before_comment_state = OK; - break; - } - break; - default: - jc->before_comment_state = jc->state; - break; - } - jc->type = JSON_T_NONE; - jc->state = C1; - jc->comment = 1; - break; -/* empty } */ - case -9: - parse_buffer_clear(jc); - if (jc->callback && !(*jc->callback)(jc->ctx, JSON_T_OBJECT_END, NULL)) { - return false; - } - if (!pop(jc, MODE_KEY)) { - return false; - } - jc->state = OK; - break; - -/* } */ case -8: - parse_buffer_pop_back_char(jc); - if (!parse_parse_buffer(jc)) { - return false; - } - if (jc->callback && !(*jc->callback)(jc->ctx, JSON_T_OBJECT_END, NULL)) { - return false; - } - if (!pop(jc, MODE_OBJECT)) { - return false; - } - jc->type = JSON_T_NONE; - jc->state = OK; - break; - -/* ] */ case -7: - parse_buffer_pop_back_char(jc); - if (!parse_parse_buffer(jc)) { - return false; - } - if (jc->callback && !(*jc->callback)(jc->ctx, JSON_T_ARRAY_END, NULL)) { - return false; - } - if (!pop(jc, MODE_ARRAY)) { - return false; - } - - jc->type = JSON_T_NONE; - jc->state = OK; - break; - -/* { */ case -6: - parse_buffer_pop_back_char(jc); - if (jc->callback && !(*jc->callback)(jc->ctx, JSON_T_OBJECT_BEGIN, NULL)) { - return false; - } - if (!push(jc, MODE_KEY)) { - return false; - } - assert(jc->type == JSON_T_NONE); - jc->state = OB; - break; - -/* [ */ case -5: - parse_buffer_pop_back_char(jc); - if (jc->callback && !(*jc->callback)(jc->ctx, JSON_T_ARRAY_BEGIN, NULL)) { - return false; - } - if (!push(jc, MODE_ARRAY)) { - return false; - } - assert(jc->type == JSON_T_NONE); - jc->state = AR; - break; - -/* string end " */ case -4: - parse_buffer_pop_back_char(jc); - switch (jc->stack[jc->top]) { - case MODE_KEY: - assert(jc->type == JSON_T_STRING); - jc->type = JSON_T_NONE; - jc->state = CO; - - if (jc->callback) { - JSON_value value; - value.vu.str.value = jc->parse_buffer; - value.vu.str.length = jc->parse_buffer_count; - if (!(*jc->callback)(jc->ctx, JSON_T_KEY, &value)) { - return false; - } - } - parse_buffer_clear(jc); - break; - case MODE_ARRAY: - case MODE_OBJECT: - assert(jc->type == JSON_T_STRING); - if (!parse_parse_buffer(jc)) { - return false; - } - jc->type = JSON_T_NONE; - jc->state = OK; - break; - default: - return false; - } - break; - -/* , */ case -3: - parse_buffer_pop_back_char(jc); - if (!parse_parse_buffer(jc)) { - return false; - } - switch (jc->stack[jc->top]) { - case MODE_OBJECT: -/* - A comma causes a flip from object mode to key mode. -*/ - if (!pop(jc, MODE_OBJECT) || !push(jc, MODE_KEY)) { - return false; - } - assert(jc->type != JSON_T_STRING); - jc->type = JSON_T_NONE; - jc->state = KE; - break; - case MODE_ARRAY: - assert(jc->type != JSON_T_STRING); - jc->type = JSON_T_NONE; - jc->state = VA; - break; - default: - return false; - } - break; - -/* : */ case -2: -/* - A colon causes a flip from key mode to object mode. -*/ - parse_buffer_pop_back_char(jc); - if (!pop(jc, MODE_KEY) || !push(jc, MODE_OBJECT)) { - return false; - } - assert(jc->type == JSON_T_NONE); - jc->state = VA; - break; -/* - Bad action. -*/ - default: - return false; - } - } - return true; -} - - -int -JSON_parser_done(JSON_parser jc) -{ - const int result = jc->state == OK && pop(jc, MODE_DONE); - - return result; -} - - -int JSON_parser_is_legal_white_space_string(const char* s) -{ - int c, char_class; - - if (s == NULL) { - return false; - } - - for (; *s; ++s) { - c = *s; - - if (c < 0 || c >= 128) { - return false; - } - - char_class = ascii_class[c]; - - if (char_class != C_SPACE && char_class != C_WHITE) { - return false; - } - } - - return true; -} - - - -void init_JSON_config(JSON_config* config) -{ - if (config) { - memset(config, 0, sizeof(*config)); - - config->depth = JSON_PARSER_STACK_SIZE - 1; - } -} diff --git a/cdec_json_parser/JSON_parser.h b/cdec_json_parser/JSON_parser.h deleted file mode 100644 index de98007..0000000 --- a/cdec_json_parser/JSON_parser.h +++ /dev/null @@ -1,152 +0,0 @@ -#ifndef JSON_PARSER_H -#define JSON_PARSER_H - -/* JSON_parser.h */ - - -#include <stddef.h> - -/* Windows DLL stuff */ -#ifdef _WIN32 -# ifdef JSON_PARSER_DLL_EXPORTS -# define JSON_PARSER_DLL_API __declspec(dllexport) -# else -# define JSON_PARSER_DLL_API __declspec(dllimport) -# endif -#else -# define JSON_PARSER_DLL_API -#endif - -/* Determine the integer type use to parse non-floating point numbers */ -#if __STDC_VERSION__ >= 199901L || HAVE_LONG_LONG == 1 -typedef long long JSON_int_t; -#define JSON_PARSER_INTEGER_SSCANF_TOKEN "%lld" -#define JSON_PARSER_INTEGER_SPRINTF_TOKEN "%lld" -#else -typedef long JSON_int_t; -#define JSON_PARSER_INTEGER_SSCANF_TOKEN "%ld" -#define JSON_PARSER_INTEGER_SPRINTF_TOKEN "%ld" -#endif - - -#ifdef __cplusplus -extern "C" { -#endif - -typedef enum -{ - JSON_T_NONE = 0, - JSON_T_ARRAY_BEGIN, // 1 - JSON_T_ARRAY_END, // 2 - JSON_T_OBJECT_BEGIN, // 3 - JSON_T_OBJECT_END, // 4 - JSON_T_INTEGER, // 5 - JSON_T_FLOAT, // 6 - JSON_T_NULL, // 7 - JSON_T_TRUE, // 8 - JSON_T_FALSE, // 9 - JSON_T_STRING, // 10 - JSON_T_KEY, // 11 - JSON_T_MAX // 12 -} JSON_type; - -typedef struct JSON_value_struct { - union { - JSON_int_t integer_value; - - double float_value; - - struct { - const char* value; - size_t length; - } str; - } vu; -} JSON_value; - -typedef struct JSON_parser_struct* JSON_parser; - -/*! \brief JSON parser callback - - \param ctx The pointer passed to new_JSON_parser. - \param type An element of JSON_type but not JSON_T_NONE. - \param value A representation of the parsed value. This parameter is NULL for - JSON_T_ARRAY_BEGIN, JSON_T_ARRAY_END, JSON_T_OBJECT_BEGIN, JSON_T_OBJECT_END, - JSON_T_NULL, JSON_T_TRUE, and SON_T_FALSE. String values are always returned - as zero-terminated C strings. - - \return Non-zero if parsing should continue, else zero. -*/ -typedef int (*JSON_parser_callback)(void* ctx, int type, const struct JSON_value_struct* value); - - -/*! \brief The structure used to configure a JSON parser object - - \param depth If negative, the parser can parse arbitrary levels of JSON, otherwise - the depth is the limit - \param Pointer to a callback. This parameter may be NULL. In this case the input is merely checked for validity. - \param Callback context. This parameter may be NULL. - \param depth. Specifies the levels of nested JSON to allow. Negative numbers yield unlimited nesting. - \param allowComments. To allow C style comments in JSON, set to non-zero. - \param handleFloatsManually. To decode floating point numbers manually set this parameter to non-zero. - - \return The parser object. -*/ -typedef struct { - JSON_parser_callback callback; - void* callback_ctx; - int depth; - int allow_comments; - int handle_floats_manually; -} JSON_config; - - -/*! \brief Initializes the JSON parser configuration structure to default values. - - The default configuration is - - 127 levels of nested JSON (depends on JSON_PARSER_STACK_SIZE, see json_parser.c) - - no parsing, just checking for JSON syntax - - no comments - - \param config. Used to configure the parser. -*/ -JSON_PARSER_DLL_API void init_JSON_config(JSON_config* config); - -/*! \brief Create a JSON parser object - - \param config. Used to configure the parser. Set to NULL to use the default configuration. - See init_JSON_config - - \return The parser object. -*/ -JSON_PARSER_DLL_API extern JSON_parser new_JSON_parser(JSON_config* config); - -/*! \brief Destroy a previously created JSON parser object. */ -JSON_PARSER_DLL_API extern void delete_JSON_parser(JSON_parser jc); - -/*! \brief Parse a character. - - \return Non-zero, if all characters passed to this function are part of are valid JSON. -*/ -JSON_PARSER_DLL_API extern int JSON_parser_char(JSON_parser jc, int next_char); - -/*! \brief Finalize parsing. - - Call this method once after all input characters have been consumed. - - \return Non-zero, if all parsed characters are valid JSON, zero otherwise. -*/ -JSON_PARSER_DLL_API extern int JSON_parser_done(JSON_parser jc); - -/*! \brief Determine if a given string is valid JSON white space - - \return Non-zero if the string is valid, zero otherwise. -*/ -JSON_PARSER_DLL_API extern int JSON_parser_is_legal_white_space_string(const char* s); - - -#ifdef __cplusplus -} -#endif - - -#endif /* JSON_PARSER_H */ diff --git a/cdec_json_parser/LICENSE b/cdec_json_parser/LICENSE deleted file mode 100644 index a390938..0000000 --- a/cdec_json_parser/LICENSE +++ /dev/null @@ -1,213 +0,0 @@ - - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. 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Use of -this source code is subject to the terms and conditions of the license -contained in the file LICENSE.cctbx . - diff --git a/cdec_json_parser/Makefile b/cdec_json_parser/Makefile deleted file mode 100644 index c976aba..0000000 --- a/cdec_json_parser/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -all: - gcc JSON_parser.c -c - g++ json_parse.cc -c - -clean: - rm *.o - diff --git a/cdec_json_parser/json_parse.cc b/cdec_json_parser/json_parse.cc deleted file mode 100644 index 4580fc8..0000000 --- a/cdec_json_parser/json_parse.cc +++ /dev/null @@ -1,31 +0,0 @@ -#include "json_parse.h" - -#include <string> -#include <iostream> - -using namespace std; - - -bool JSONParser::HandleJSONEvent(int type, const JSON_value* value) { - switch(type) { - case JSON_T_OBJECT_BEGIN: - case JSON_T_OBJECT_END: - case JSON_T_ARRAY_BEGIN: - case JSON_T_ARRAY_END: - case JSON_T_NULL: - case JSON_T_TRUE: - case JSON_T_FALSE: - case JSON_T_KEY: - case JSON_T_INTEGER: - case JSON_T_FLOAT: - break; - case JSON_T_STRING: - string s = value->vu.str.value; - string t = s.substr(1, 4); - if (t == "Goal") - cerr << t << endl; - break; - } - return true; -} - diff --git a/cdec_json_parser/json_parse.h b/cdec_json_parser/json_parse.h deleted file mode 100644 index 80c037b..0000000 --- a/cdec_json_parser/json_parse.h +++ /dev/null @@ -1,62 +0,0 @@ -#ifndef _JSON_WRAPPER_H_ -#define _JSON_WRAPPER_H_ - -#include <iostream> -#include <cassert> -#include "JSON_parser.h" - -class JSONParser { - public: - JSONParser() { - state = -1; - init_JSON_config(&config); - hack.mf = &JSONParser::Callback; - config.depth = 10; - config.callback_ctx = reinterpret_cast<void*>(this); - config.callback = hack.cb; - config.allow_comments = 1; - config.handle_floats_manually = 1; - jc = new_JSON_parser(&config); - } - virtual ~JSONParser() { - delete_JSON_parser(jc); - } - bool Parse(std::istream* in) { - int count = 0; - int lc = 1; - for (; in ; ++count) { - int next_char = in->get(); - if (!in->good()) break; - if (lc == '\n') { ++lc; } - if (!JSON_parser_char(jc, next_char)) { - std::cerr << "JSON_parser_char: syntax error, line " << lc << " (byte " << count << ")" << std::endl; - return false; - } - } - if (!JSON_parser_done(jc)) { - std::cerr << "JSON_parser_done: syntax error\n"; - return false; - } - return true; - } - static void WriteEscapedString(const std::string& in, std::ostream* out); - protected: - bool HandleJSONEvent(int type, const JSON_value* value); - private: - int state; - std::string cur_key; - std::string cat; - int Callback(int type, const JSON_value* value) { - if (HandleJSONEvent(type, value)) return 1; - return 0; - } - JSON_parser_struct* jc; - JSON_config config; - typedef int (JSONParser::* MF)(int type, const struct JSON_value_struct* value); - union CBHack { - JSON_parser_callback cb; - MF mf; - } hack; -}; - -#endif |