diff --git a/jsmn.c b/jsmn.c deleted file mode 100644 index ed41be6..0000000 --- a/jsmn.c +++ /dev/null @@ -1,344 +0,0 @@ -#include "jsmn.h" - -/** - * Allocates a fresh unused token from the token pool. - */ -static jsmntok_t *jsmn_alloc_token(jsmn_parser *parser, jsmntok_t *tokens, - size_t num_tokens) { - jsmntok_t *tok; - if (parser->toknext >= num_tokens) { - return NULL; - } - tok = &tokens[parser->toknext++]; - tok->start = tok->end = -1; - tok->size = 0; -#ifdef JSMN_PARENT_LINKS - tok->parent = -1; -#endif - return tok; -} - -/** - * Fills token type and boundaries. - */ -static void jsmn_fill_token(jsmntok_t *token, jsmntype_t type, int start, - int end) { - token->type = type; - token->start = start; - token->end = end; - token->size = 0; -} - -/** - * Fills next available token with JSON primitive. - */ -static int jsmn_parse_primitive(jsmn_parser *parser, const char *js, size_t len, - jsmntok_t *tokens, size_t num_tokens) { - jsmntok_t *token; - int start; - - start = parser->pos; - - for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) { - switch (js[parser->pos]) { -#ifndef JSMN_STRICT - /* In strict mode primitive must be followed by "," or "}" or "]" */ - case ':': -#endif - case '\t': - case '\r': - case '\n': - case ' ': - case ',': - case ']': - case '}': - goto found; - } - if (js[parser->pos] < 32 || js[parser->pos] >= 127) { - parser->pos = start; - return JSMN_ERROR_INVAL; - } - } -#ifdef JSMN_STRICT - /* In strict mode primitive must be followed by a comma/object/array */ - parser->pos = start; - return JSMN_ERROR_PART; -#endif - -found: - if (tokens == NULL) { - parser->pos--; - return 0; - } - token = jsmn_alloc_token(parser, tokens, num_tokens); - if (token == NULL) { - parser->pos = start; - return JSMN_ERROR_NOMEM; - } - jsmn_fill_token(token, JSMN_PRIMITIVE, start, parser->pos); -#ifdef JSMN_PARENT_LINKS - token->parent = parser->toksuper; -#endif - parser->pos--; - return 0; -} - -/** - * Fills next token with JSON string. - */ -static int jsmn_parse_string(jsmn_parser *parser, const char *js, size_t len, - jsmntok_t *tokens, size_t num_tokens) { - jsmntok_t *token; - - int start = parser->pos; - - parser->pos++; - - /* Skip starting quote */ - for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) { - char c = js[parser->pos]; - - /* Quote: end of string */ - if (c == '\"') { - if (tokens == NULL) { - return 0; - } - token = jsmn_alloc_token(parser, tokens, num_tokens); - if (token == NULL) { - parser->pos = start; - return JSMN_ERROR_NOMEM; - } - jsmn_fill_token(token, JSMN_STRING, start + 1, parser->pos); -#ifdef JSMN_PARENT_LINKS - token->parent = parser->toksuper; -#endif - return 0; - } - - /* Backslash: Quoted symbol expected */ - if (c == '\\' && parser->pos + 1 < len) { - int i; - parser->pos++; - switch (js[parser->pos]) { - /* Allowed escaped symbols */ - case '\"': - case '/': - case '\\': - case 'b': - case 'f': - case 'r': - case 'n': - case 't': - break; - /* Allows escaped symbol \uXXXX */ - case 'u': - parser->pos++; - for (i = 0; i < 4 && parser->pos < len && js[parser->pos] != '\0'; - i++) { - /* If it isn't a hex character we have an error */ - if (!((js[parser->pos] >= 48 && js[parser->pos] <= 57) || /* 0-9 */ - (js[parser->pos] >= 65 && js[parser->pos] <= 70) || /* A-F */ - (js[parser->pos] >= 97 && js[parser->pos] <= 102))) { /* a-f */ - parser->pos = start; - return JSMN_ERROR_INVAL; - } - parser->pos++; - } - parser->pos--; - break; - /* Unexpected symbol */ - default: - parser->pos = start; - return JSMN_ERROR_INVAL; - } - } - } - parser->pos = start; - return JSMN_ERROR_PART; -} - -/** - * Parse JSON string and fill tokens. - */ -int jsmn_parse(jsmn_parser *parser, const char *js, size_t len, - jsmntok_t *tokens, unsigned int num_tokens) { - int r; - int i; - jsmntok_t *token; - int count = parser->toknext; - - for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) { - char c; - jsmntype_t type; - - c = js[parser->pos]; - switch (c) { - case '{': - case '[': - count++; - if (tokens == NULL) { - break; - } - token = jsmn_alloc_token(parser, tokens, num_tokens); - if (token == NULL) - return JSMN_ERROR_NOMEM; - if (parser->toksuper != -1) { - tokens[parser->toksuper].size++; -#ifdef JSMN_PARENT_LINKS - token->parent = parser->toksuper; -#endif - } - token->type = (c == '{' ? JSMN_OBJECT : JSMN_ARRAY); - token->start = parser->pos; - parser->toksuper = parser->toknext - 1; - break; - case '}': - case ']': - if (tokens == NULL) - break; - type = (c == '}' ? JSMN_OBJECT : JSMN_ARRAY); -#ifdef JSMN_PARENT_LINKS - if (parser->toknext < 1) { - return JSMN_ERROR_INVAL; - } - token = &tokens[parser->toknext - 1]; - for (;;) { - if (token->start != -1 && token->end == -1) { - if (token->type != type) { - return JSMN_ERROR_INVAL; - } - token->end = parser->pos + 1; - parser->toksuper = token->parent; - break; - } - if (token->parent == -1) { - if (token->type != type || parser->toksuper == -1) { - return JSMN_ERROR_INVAL; - } - break; - } - token = &tokens[token->parent]; - } -#else - for (i = parser->toknext - 1; i >= 0; i--) { - token = &tokens[i]; - if (token->start != -1 && token->end == -1) { - if (token->type != type) { - return JSMN_ERROR_INVAL; - } - parser->toksuper = -1; - token->end = parser->pos + 1; - break; - } - } - /* Error if unmatched closing bracket */ - if (i == -1) - return JSMN_ERROR_INVAL; - for (; i >= 0; i--) { - token = &tokens[i]; - if (token->start != -1 && token->end == -1) { - parser->toksuper = i; - break; - } - } -#endif - break; - case '\"': - r = jsmn_parse_string(parser, js, len, tokens, num_tokens); - if (r < 0) - return r; - count++; - if (parser->toksuper != -1 && tokens != NULL) - tokens[parser->toksuper].size++; - break; - case '\t': - case '\r': - case '\n': - case ' ': - break; - case ':': - parser->toksuper = parser->toknext - 1; - break; - case ',': - if (tokens != NULL && parser->toksuper != -1 && - tokens[parser->toksuper].type != JSMN_ARRAY && - tokens[parser->toksuper].type != JSMN_OBJECT) { -#ifdef JSMN_PARENT_LINKS - parser->toksuper = tokens[parser->toksuper].parent; -#else - for (i = parser->toknext - 1; i >= 0; i--) { - if (tokens[i].type == JSMN_ARRAY || tokens[i].type == JSMN_OBJECT) { - if (tokens[i].start != -1 && tokens[i].end == -1) { - parser->toksuper = i; - break; - } - } - } -#endif - } - break; -#ifdef JSMN_STRICT - /* In strict mode primitives are: numbers and booleans */ - case '-': - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - case 't': - case 'f': - case 'n': - /* And they must not be keys of the object */ - if (tokens != NULL && parser->toksuper != -1) { - jsmntok_t *t = &tokens[parser->toksuper]; - if (t->type == JSMN_OBJECT || - (t->type == JSMN_STRING && t->size != 0)) { - return JSMN_ERROR_INVAL; - } - } -#else - /* In non-strict mode every unquoted value is a primitive */ - default: -#endif - r = jsmn_parse_primitive(parser, js, len, tokens, num_tokens); - if (r < 0) - return r; - count++; - if (parser->toksuper != -1 && tokens != NULL) - tokens[parser->toksuper].size++; - break; - -#ifdef JSMN_STRICT - /* Unexpected char in strict mode */ - default: - return JSMN_ERROR_INVAL; -#endif - } - } - - if (tokens != NULL) { - for (i = parser->toknext - 1; i >= 0; i--) { - /* Unmatched opened object or array */ - if (tokens[i].start != -1 && tokens[i].end == -1) { - return JSMN_ERROR_PART; - } - } - } - - return count; -} - -/** - * Creates a new parser based over a given buffer with an array of tokens - * available. - */ -void jsmn_init(jsmn_parser *parser) { - parser->pos = 0; - parser->toknext = 0; - parser->toksuper = -1; -} diff --git a/jsmn.h b/jsmn.h index f5570df..251359c 100644 --- a/jsmn.h +++ b/jsmn.h @@ -30,6 +30,12 @@ extern "C" { #endif +#ifdef JSMN_STATIC +#define JSMN_API static +#else +#define JSMN_API extern +#endif + /** * JSON type identifier. Basic types are: * o Object @@ -83,15 +89,361 @@ typedef struct { /** * Create JSON parser over an array of tokens */ -void jsmn_init(jsmn_parser *parser); +JSMN_API void jsmn_init(jsmn_parser *parser); /** * Run JSON parser. It parses a JSON data string into and array of tokens, each * describing * a single JSON object. */ -int jsmn_parse(jsmn_parser *parser, const char *js, size_t len, - jsmntok_t *tokens, unsigned int num_tokens); +JSMN_API int jsmn_parse(jsmn_parser *parser, const char *js, size_t len, + jsmntok_t *tokens, unsigned int num_tokens); + +#ifndef JSMN_HEADER +/** + * Allocates a fresh unused token from the token pool. + */ +static jsmntok_t *jsmn_alloc_token(jsmn_parser *parser, jsmntok_t *tokens, + size_t num_tokens) { + jsmntok_t *tok; + if (parser->toknext >= num_tokens) { + return NULL; + } + tok = &tokens[parser->toknext++]; + tok->start = tok->end = -1; + tok->size = 0; +#ifdef JSMN_PARENT_LINKS + tok->parent = -1; +#endif + return tok; +} + +/** + * Fills token type and boundaries. + */ +static void jsmn_fill_token(jsmntok_t *token, jsmntype_t type, int start, + int end) { + token->type = type; + token->start = start; + token->end = end; + token->size = 0; +} + +/** + * Fills next available token with JSON primitive. + */ +static int jsmn_parse_primitive(jsmn_parser *parser, const char *js, size_t len, + jsmntok_t *tokens, size_t num_tokens) { + jsmntok_t *token; + int start; + + start = parser->pos; + + for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) { + switch (js[parser->pos]) { +#ifndef JSMN_STRICT + /* In strict mode primitive must be followed by "," or "}" or "]" */ + case ':': +#endif + case '\t': + case '\r': + case '\n': + case ' ': + case ',': + case ']': + case '}': + goto found; + } + if (js[parser->pos] < 32 || js[parser->pos] >= 127) { + parser->pos = start; + return JSMN_ERROR_INVAL; + } + } +#ifdef JSMN_STRICT + /* In strict mode primitive must be followed by a comma/object/array */ + parser->pos = start; + return JSMN_ERROR_PART; +#endif + +found: + if (tokens == NULL) { + parser->pos--; + return 0; + } + token = jsmn_alloc_token(parser, tokens, num_tokens); + if (token == NULL) { + parser->pos = start; + return JSMN_ERROR_NOMEM; + } + jsmn_fill_token(token, JSMN_PRIMITIVE, start, parser->pos); +#ifdef JSMN_PARENT_LINKS + token->parent = parser->toksuper; +#endif + parser->pos--; + return 0; +} + +/** + * Fills next token with JSON string. + */ +static int jsmn_parse_string(jsmn_parser *parser, const char *js, size_t len, + jsmntok_t *tokens, size_t num_tokens) { + jsmntok_t *token; + + int start = parser->pos; + + parser->pos++; + + /* Skip starting quote */ + for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) { + char c = js[parser->pos]; + + /* Quote: end of string */ + if (c == '\"') { + if (tokens == NULL) { + return 0; + } + token = jsmn_alloc_token(parser, tokens, num_tokens); + if (token == NULL) { + parser->pos = start; + return JSMN_ERROR_NOMEM; + } + jsmn_fill_token(token, JSMN_STRING, start + 1, parser->pos); +#ifdef JSMN_PARENT_LINKS + token->parent = parser->toksuper; +#endif + return 0; + } + + /* Backslash: Quoted symbol expected */ + if (c == '\\' && parser->pos + 1 < len) { + int i; + parser->pos++; + switch (js[parser->pos]) { + /* Allowed escaped symbols */ + case '\"': + case '/': + case '\\': + case 'b': + case 'f': + case 'r': + case 'n': + case 't': + break; + /* Allows escaped symbol \uXXXX */ + case 'u': + parser->pos++; + for (i = 0; i < 4 && parser->pos < len && js[parser->pos] != '\0'; + i++) { + /* If it isn't a hex character we have an error */ + if (!((js[parser->pos] >= 48 && js[parser->pos] <= 57) || /* 0-9 */ + (js[parser->pos] >= 65 && js[parser->pos] <= 70) || /* A-F */ + (js[parser->pos] >= 97 && js[parser->pos] <= 102))) { /* a-f */ + parser->pos = start; + return JSMN_ERROR_INVAL; + } + parser->pos++; + } + parser->pos--; + break; + /* Unexpected symbol */ + default: + parser->pos = start; + return JSMN_ERROR_INVAL; + } + } + } + parser->pos = start; + return JSMN_ERROR_PART; +} + +/** + * Parse JSON string and fill tokens. + */ +JSMN_API int jsmn_parse(jsmn_parser *parser, const char *js, size_t len, + jsmntok_t *tokens, unsigned int num_tokens) { + int r; + int i; + jsmntok_t *token; + int count = parser->toknext; + + for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) { + char c; + jsmntype_t type; + + c = js[parser->pos]; + switch (c) { + case '{': + case '[': + count++; + if (tokens == NULL) { + break; + } + token = jsmn_alloc_token(parser, tokens, num_tokens); + if (token == NULL) + return JSMN_ERROR_NOMEM; + if (parser->toksuper != -1) { + tokens[parser->toksuper].size++; +#ifdef JSMN_PARENT_LINKS + token->parent = parser->toksuper; +#endif + } + token->type = (c == '{' ? JSMN_OBJECT : JSMN_ARRAY); + token->start = parser->pos; + parser->toksuper = parser->toknext - 1; + break; + case '}': + case ']': + if (tokens == NULL) + break; + type = (c == '}' ? JSMN_OBJECT : JSMN_ARRAY); +#ifdef JSMN_PARENT_LINKS + if (parser->toknext < 1) { + return JSMN_ERROR_INVAL; + } + token = &tokens[parser->toknext - 1]; + for (;;) { + if (token->start != -1 && token->end == -1) { + if (token->type != type) { + return JSMN_ERROR_INVAL; + } + token->end = parser->pos + 1; + parser->toksuper = token->parent; + break; + } + if (token->parent == -1) { + if (token->type != type || parser->toksuper == -1) { + return JSMN_ERROR_INVAL; + } + break; + } + token = &tokens[token->parent]; + } +#else + for (i = parser->toknext - 1; i >= 0; i--) { + token = &tokens[i]; + if (token->start != -1 && token->end == -1) { + if (token->type != type) { + return JSMN_ERROR_INVAL; + } + parser->toksuper = -1; + token->end = parser->pos + 1; + break; + } + } + /* Error if unmatched closing bracket */ + if (i == -1) + return JSMN_ERROR_INVAL; + for (; i >= 0; i--) { + token = &tokens[i]; + if (token->start != -1 && token->end == -1) { + parser->toksuper = i; + break; + } + } +#endif + break; + case '\"': + r = jsmn_parse_string(parser, js, len, tokens, num_tokens); + if (r < 0) + return r; + count++; + if (parser->toksuper != -1 && tokens != NULL) + tokens[parser->toksuper].size++; + break; + case '\t': + case '\r': + case '\n': + case ' ': + break; + case ':': + parser->toksuper = parser->toknext - 1; + break; + case ',': + if (tokens != NULL && parser->toksuper != -1 && + tokens[parser->toksuper].type != JSMN_ARRAY && + tokens[parser->toksuper].type != JSMN_OBJECT) { +#ifdef JSMN_PARENT_LINKS + parser->toksuper = tokens[parser->toksuper].parent; +#else + for (i = parser->toknext - 1; i >= 0; i--) { + if (tokens[i].type == JSMN_ARRAY || tokens[i].type == JSMN_OBJECT) { + if (tokens[i].start != -1 && tokens[i].end == -1) { + parser->toksuper = i; + break; + } + } + } +#endif + } + break; +#ifdef JSMN_STRICT + /* In strict mode primitives are: numbers and booleans */ + case '-': + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + case 't': + case 'f': + case 'n': + /* And they must not be keys of the object */ + if (tokens != NULL && parser->toksuper != -1) { + jsmntok_t *t = &tokens[parser->toksuper]; + if (t->type == JSMN_OBJECT || + (t->type == JSMN_STRING && t->size != 0)) { + return JSMN_ERROR_INVAL; + } + } +#else + /* In non-strict mode every unquoted value is a primitive */ + default: +#endif + r = jsmn_parse_primitive(parser, js, len, tokens, num_tokens); + if (r < 0) + return r; + count++; + if (parser->toksuper != -1 && tokens != NULL) + tokens[parser->toksuper].size++; + break; + +#ifdef JSMN_STRICT + /* Unexpected char in strict mode */ + default: + return JSMN_ERROR_INVAL; +#endif + } + } + + if (tokens != NULL) { + for (i = parser->toknext - 1; i >= 0; i--) { + /* Unmatched opened object or array */ + if (tokens[i].start != -1 && tokens[i].end == -1) { + return JSMN_ERROR_PART; + } + } + } + + return count; +} + +/** + * Creates a new parser based over a given buffer with an array of tokens + * available. + */ +JSMN_API void jsmn_init(jsmn_parser *parser) { + parser->pos = 0; + parser->toknext = 0; + parser->toksuper = -1; +} + +#endif /* JSMN_HEADER */ #ifdef __cplusplus } diff --git a/test/testutil.h b/test/testutil.h index 6b20e3c..6574153 100644 --- a/test/testutil.h +++ b/test/testutil.h @@ -1,7 +1,7 @@ #ifndef __TEST_UTIL_H__ #define __TEST_UTIL_H__ -#include "../jsmn.c" +#include "../jsmn.h" static int vtokeq(const char *s, jsmntok_t *t, int numtok, va_list ap) { if (numtok > 0) {