Gerard COURIVAUD
json lib
Dependents: grove_stream_jpa_sd2 grove_stream_jpa_sd2 grove_stream_jpa_sd2-2 grove_stream_jpa_sd2-3 ... more
Diff: jsmn.c
- Revision:
- 3:fab591fca1e7
- Parent:
- 0:7f4a18b3fd82
- Child:
- 5:dd98cf00ed9b
diff -r d33e3dbe6d07 -r fab591fca1e7 jsmn.c
--- a/jsmn.c Tue May 17 05:29:03 2016 +0000
+++ b/jsmn.c Thu Jun 02 06:08:24 2016 +0000
@@ -3,14 +3,14 @@
/**
* Allocates a fresh unused token from the token pull.
*/
-static jsmntok_t *jsmn_alloc_token(jsmn_parser *parser,
- jsmntok_t *tokens, size_t num_tokens)
+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;
+ if ( parser->toknext >= num_tokens )
+ {
+ return NULL ;
}
- tok = &tokens[parser->toknext++];
+ tok = &tokens [ parser->toknext++ ];
tok->start = tok->end = -1;
tok->childCount = 0;
tok->parent = -1;
@@ -20,8 +20,7 @@
/**
* Fills token type and boundaries.
*/
-static void jsmn_fill_token(jsmntok_t *token, jsmntype_t type,
- int start, int end)
+static void jsmn_fill_token ( jsmntok_t *token, jsmntype_t type, int start, int end )
{
token->type = type;
token->start = start;
@@ -32,26 +31,28 @@
/**
* 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)
+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]) {
- case '\t' :
- case '\r' :
- case '\n' :
- case ' ' :
- case ',' :
- case ']' :
- case '}' :
+
+ for ( ; parser->pos < len && js [ parser->pos ] != '\0'; parser->pos++ )
+ {
+ switch ( js [ parser->pos ] )
+ {
+ case '\t':
+ case '\r':
+ case '\n':
+ case ' ':
+ case ',':
+ case ']':
+ case '}':
goto found;
}
- if (js[parser->pos] < 32 || js[parser->pos] >= 127) {
+ if ( js [ parser->pos ] < 32 || js [ parser->pos ] >= 127 )
+ {
parser->pos = start;
return JSMN_ERROR_INVAL;
}
@@ -59,18 +60,19 @@
/* primitive must be followed by a comma/object/array */
parser->pos = start;
return JSMN_ERROR_PART;
-
-found:
- if (tokens == NULL) {
+
+ found: if ( tokens == NULL )
+ {
parser->pos--;
return 0;
}
- token = jsmn_alloc_token(parser, tokens, num_tokens);
- if (token == NULL) {
+ 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);
+ jsmn_fill_token ( token, JSMN_PRIMITIVE, start, parser->pos );
token->parent = parser->toksuper;
parser->pos--;
return 0;
@@ -79,62 +81,72 @@
/**
* 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, unsigned char isKey )
+static int jsmn_parse_string ( jsmn_parser *parser, const char *js, size_t len, jsmntok_t *tokens, size_t num_tokens, unsigned char isKey )
{
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];
-
+ for ( ; parser->pos < len && js [ parser->pos ] != '\0'; parser->pos++ )
+ {
+ char c = js [ parser->pos ];
+
/* Quote: end of string */
- if (c == '\"') {
- if (tokens == NULL) {
+ if ( c == '\"' )
+ {
+ if ( tokens == NULL )
+ {
return 0;
}
- token = jsmn_alloc_token(parser, tokens, num_tokens);
- if (token == NULL) {
+ token = jsmn_alloc_token ( parser, tokens, num_tokens );
+ if ( token == NULL )
+ {
parser->pos = start;
return JSMN_ERROR_NOMEM;
}
- if ( isKey == 1 ) {
- jsmn_fill_token(token, JSMN_KEY, start+1, parser->pos);
+ if ( isKey == 1 )
+ {
+ jsmn_fill_token ( token, JSMN_KEY, start + 1, parser->pos );
}
- else {
- jsmn_fill_token(token, JSMN_STRING, start+1, parser->pos);
+ else
+ {
+ jsmn_fill_token ( token, JSMN_STRING, start + 1, parser->pos );
}
token->parent = parser->toksuper;
return 0;
}
-
+
/* Backslash: Quoted symbol expected */
- if (c == '\\' && parser->pos + 1 < len) {
+ if ( c == '\\' && parser->pos + 1 < len )
+ {
int i;
parser->pos++;
- switch (js[parser->pos]) {
- /* Allowed escaped symbols */
+ switch ( js [ parser->pos ] )
+ {
+ /* Allowed escaped symbols */
case '\"':
- case '/' :
- case '\\' :
- case 'b' :
- case 'f' :
- case 'r' :
- case 'n' :
- case 't' :
+ 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++) {
+ 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 */
+ 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;
}
@@ -156,76 +168,86 @@
/**
* 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 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;
-
+
unsigned char isKey = 1;
-
- for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) {
+
+ for ( ; parser->pos < len && js [ parser->pos ] != '\0'; parser->pos++ )
+ {
char c;
jsmntype_t type;
-
- c = js[parser->pos];
- switch (c) {
+
+ c = js [ parser->pos ];
+ switch ( c )
+ {
case '{':
case '[':
count++;
- if (tokens == NULL) {
+ if ( tokens == NULL )
+ {
break;
}
- token = jsmn_alloc_token(parser, tokens, num_tokens);
- if (token == NULL)
+ token = jsmn_alloc_token ( parser, tokens, num_tokens );
+ if ( token == NULL )
return JSMN_ERROR_NOMEM;
- if (parser->toksuper != -1) {
- tokens[parser->toksuper].childCount++;
+ if ( parser->toksuper != -1 )
+ {
+ tokens [ parser->toksuper ].childCount++;
token->parent = parser->toksuper;
}
- token->type = (c == '{' ? JSMN_OBJECT : JSMN_ARRAY);
+ token->type = ( c == '{' ? JSMN_OBJECT : JSMN_ARRAY );
token->start = parser->pos;
parser->toksuper = parser->toknext - 1;
- if ( token -> type == JSMN_OBJECT ) {
+ if ( token->type == JSMN_OBJECT )
+ {
isKey = 1;
}
break;
case '}':
case ']':
- if (tokens == NULL)
+ if ( tokens == NULL )
break;
- type = (c == '}' ? JSMN_OBJECT : JSMN_ARRAY);
- if (parser->toknext < 1) {
+ type = ( c == '}' ? JSMN_OBJECT : JSMN_ARRAY );
+ 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) {
+ 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->parent == -1 )
+ {
break;
}
- token = &tokens[token->parent];
+ token = &tokens [ token->parent ];
}
break;
case '\"':
- r = jsmn_parse_string(parser, js, len, tokens, num_tokens, isKey);
- if (r < 0) return r;
+ r = jsmn_parse_string ( parser, js, len, tokens, num_tokens, isKey );
+ if ( r < 0 )
+ return r;
count++;
- if (parser->toksuper != -1 && tokens != NULL)
- tokens[parser->toksuper].childCount++;
+ if ( parser->toksuper != -1 && tokens != NULL )
+ tokens [ parser->toksuper ].childCount++;
break;
- case '\t' :
- case '\r' :
- case '\n' :
+ case '\t':
+ case '\r':
+ case '\n':
case ' ':
break;
case ':':
@@ -233,58 +255,62 @@
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) {
- parser->toksuper = tokens[parser->toksuper].parent;
+ if ( tokens != NULL && parser->toksuper != -1 && tokens [ parser->toksuper ].type != JSMN_ARRAY && tokens [ parser->toksuper ].type != JSMN_OBJECT )
+ {
+ parser->toksuper = tokens [ parser->toksuper ].parent;
}
isKey = 1;
break;
/* In strict mode primitives are: numbers and booleans */
case '-':
case '0':
- case '1' :
+ case '1':
case '2':
- case '3' :
+ case '3':
case '4':
case '5':
case '6':
- case '7' :
+ case '7':
case '8':
case '9':
case 't':
case 'f':
- case 'n' :
+ 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->childCount != 0)) {
+ if ( tokens != NULL && parser->toksuper != -1 )
+ {
+ jsmntok_t *t = &tokens [ parser->toksuper ];
+ if ( t->type == JSMN_OBJECT || ( t->type == JSMN_STRING && t->childCount != 0 ) )
+ {
return JSMN_ERROR_INVAL;
}
}
- r = jsmn_parse_primitive(parser, js, len, tokens, num_tokens);
- if (r < 0) return r;
+ 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].childCount++;
+ if ( parser->toksuper != -1 && tokens != NULL )
+ tokens [ parser->toksuper ].childCount++;
break;
-
+
/* Unexpected char in strict mode */
default:
return JSMN_ERROR_INVAL;
}
}
-
- if (tokens != NULL) {
- for (i = parser->toknext - 1; i >= 0; i--) {
+
+ 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) {
+ if ( tokens [ i ].start != -1 && tokens [ i ].end == -1 )
+ {
return JSMN_ERROR_PART;
}
}
}
-
+
return count;
}
@@ -292,9 +318,10 @@
* Creates a new parser based over a given buffer with an array of tokens
* available.
*/
-void jsmn_init(jsmn_parser *parser)
+void jsmn_init ( jsmn_parser *parser )
{
parser->pos = 0;
parser->toknext = 0;
parser->toksuper = -1;
}
+