diff options
Diffstat (limited to 'RedfishPkg/Library/JsonLib/load.c')
| -rw-r--r-- | RedfishPkg/Library/JsonLib/load.c | 2010 |
1 files changed, 1161 insertions, 849 deletions
diff --git a/RedfishPkg/Library/JsonLib/load.c b/RedfishPkg/Library/JsonLib/load.c index 37e0ba4271..958c3ea8c5 100644 --- a/RedfishPkg/Library/JsonLib/load.c +++ b/RedfishPkg/Library/JsonLib/load.c @@ -22,1090 +22,1402 @@ #include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
-#include <unistd.h>
+ #include <unistd.h>
#endif
#include "jansson.h"
#include "strbuffer.h"
#include "utf.h"
-#define STREAM_STATE_OK 0
-#define STREAM_STATE_EOF -1
-#define STREAM_STATE_ERROR -2
+#define STREAM_STATE_OK 0
+#define STREAM_STATE_EOF -1
+#define STREAM_STATE_ERROR -2
-#define TOKEN_INVALID -1
-#define TOKEN_EOF 0
-#define TOKEN_STRING 256
-#define TOKEN_INTEGER 257
-#define TOKEN_REAL 258
-#define TOKEN_TRUE 259
-#define TOKEN_FALSE 260
-#define TOKEN_NULL 261
+#define TOKEN_INVALID -1
+#define TOKEN_EOF 0
+#define TOKEN_STRING 256
+#define TOKEN_INTEGER 257
+#define TOKEN_REAL 258
+#define TOKEN_TRUE 259
+#define TOKEN_FALSE 260
+#define TOKEN_NULL 261
/* Locale independent versions of isxxx() functions */
-#define l_isupper(c) ('A' <= (c) && (c) <= 'Z')
-#define l_islower(c) ('a' <= (c) && (c) <= 'z')
-#define l_isalpha(c) (l_isupper(c) || l_islower(c))
-#define l_isdigit(c) ('0' <= (c) && (c) <= '9')
+#define l_isupper(c) ('A' <= (c) && (c) <= 'Z')
+#define l_islower(c) ('a' <= (c) && (c) <= 'z')
+#define l_isalpha(c) (l_isupper(c) || l_islower(c))
+#define l_isdigit(c) ('0' <= (c) && (c) <= '9')
#define l_isxdigit(c) \
(l_isdigit(c) || ('A' <= (c) && (c) <= 'F') || ('a' <= (c) && (c) <= 'f'))
/* Read one byte from stream, convert to unsigned char, then int, and
return. return EOF on end of file. This corresponds to the
behaviour of fgetc(). */
-typedef int (*get_func)(void *data);
+typedef int (*get_func)(
+ void *data
+ );
typedef struct {
- get_func get;
- void *data;
- char buffer[5];
- size_t buffer_pos;
- int state;
- int line;
- int column, last_column;
- size_t position;
+ get_func get;
+ void *data;
+ char buffer[5];
+ size_t buffer_pos;
+ int state;
+ int line;
+ int column, last_column;
+ size_t position;
} stream_t;
typedef struct {
- stream_t stream;
- strbuffer_t saved_text;
- size_t flags;
- size_t depth;
- int token;
- union {
- struct {
- char *val;
- size_t len;
- } string;
- json_int_t integer;
- double real;
- } value;
+ stream_t stream;
+ strbuffer_t saved_text;
+ size_t flags;
+ size_t depth;
+ int token;
+ union {
+ struct {
+ char *val;
+ size_t len;
+ } string;
+ json_int_t integer;
+ double real;
+ } value;
} lex_t;
-#define stream_to_lex(stream) container_of(stream, lex_t, stream)
+#define stream_to_lex(stream) container_of(stream, lex_t, stream)
/*** error reporting ***/
-static void error_set(json_error_t *error, const lex_t *lex, enum json_error_code code,
- const char *msg, ...) {
- va_list ap;
- char msg_text[JSON_ERROR_TEXT_LENGTH];
- char msg_with_context[JSON_ERROR_TEXT_LENGTH];
-
- int line = -1, col = -1;
- size_t pos = 0;
- const char *result = msg_text;
-
- if (!error)
- return;
-
- va_start(ap, msg);
- vsnprintf(msg_text, JSON_ERROR_TEXT_LENGTH, msg, ap);
- msg_text[JSON_ERROR_TEXT_LENGTH - 1] = '\0';
- va_end(ap);
-
- if (lex) {
- const char *saved_text = strbuffer_value(&lex->saved_text);
-
- line = lex->stream.line;
- col = lex->stream.column;
- pos = lex->stream.position;
-
- if (saved_text && saved_text[0]) {
- if (lex->saved_text.length <= 20) {
- snprintf(msg_with_context, JSON_ERROR_TEXT_LENGTH, "%s near '%s'",
- msg_text, saved_text);
- msg_with_context[JSON_ERROR_TEXT_LENGTH - 1] = '\0';
- result = msg_with_context;
- }
- } else {
- if (code == json_error_invalid_syntax) {
- /* More specific error code for premature end of file. */
- code = json_error_premature_end_of_input;
- }
- if (lex->stream.state == STREAM_STATE_ERROR) {
- /* No context for UTF-8 decoding errors */
- result = msg_text;
- } else {
- snprintf(msg_with_context, JSON_ERROR_TEXT_LENGTH, "%s near end of file",
- msg_text);
- msg_with_context[JSON_ERROR_TEXT_LENGTH - 1] = '\0';
- result = msg_with_context;
- }
- }
+static void
+error_set (
+ json_error_t *error,
+ const lex_t *lex,
+ enum json_error_code code,
+ const char *msg,
+ ...
+ )
+{
+ va_list ap;
+ char msg_text[JSON_ERROR_TEXT_LENGTH];
+ char msg_with_context[JSON_ERROR_TEXT_LENGTH];
+
+ int line = -1, col = -1;
+ size_t pos = 0;
+ const char *result = msg_text;
+
+ if (!error) {
+ return;
+ }
+
+ va_start (ap, msg);
+ vsnprintf (msg_text, JSON_ERROR_TEXT_LENGTH, msg, ap);
+ msg_text[JSON_ERROR_TEXT_LENGTH - 1] = '\0';
+ va_end (ap);
+
+ if (lex) {
+ const char *saved_text = strbuffer_value (&lex->saved_text);
+
+ line = lex->stream.line;
+ col = lex->stream.column;
+ pos = lex->stream.position;
+
+ if (saved_text && saved_text[0]) {
+ if (lex->saved_text.length <= 20) {
+ snprintf (
+ msg_with_context,
+ JSON_ERROR_TEXT_LENGTH,
+ "%s near '%s'",
+ msg_text,
+ saved_text
+ );
+ msg_with_context[JSON_ERROR_TEXT_LENGTH - 1] = '\0';
+ result = msg_with_context;
+ }
+ } else {
+ if (code == json_error_invalid_syntax) {
+ /* More specific error code for premature end of file. */
+ code = json_error_premature_end_of_input;
+ }
+
+ if (lex->stream.state == STREAM_STATE_ERROR) {
+ /* No context for UTF-8 decoding errors */
+ result = msg_text;
+ } else {
+ snprintf (
+ msg_with_context,
+ JSON_ERROR_TEXT_LENGTH,
+ "%s near end of file",
+ msg_text
+ );
+ msg_with_context[JSON_ERROR_TEXT_LENGTH - 1] = '\0';
+ result = msg_with_context;
+ }
}
+ }
- jsonp_error_set(error, line, col, pos, code, "%s", result);
+ jsonp_error_set (error, line, col, pos, code, "%s", result);
}
/*** lexical analyzer ***/
-static void stream_init(stream_t *stream, get_func get, void *data) {
- stream->get = get;
- stream->data = data;
- stream->buffer[0] = '\0';
- stream->buffer_pos = 0;
-
- stream->state = STREAM_STATE_OK;
- stream->line = 1;
- stream->column = 0;
- stream->position = 0;
+static void
+stream_init (
+ stream_t *stream,
+ get_func get,
+ void *data
+ )
+{
+ stream->get = get;
+ stream->data = data;
+ stream->buffer[0] = '\0';
+ stream->buffer_pos = 0;
+
+ stream->state = STREAM_STATE_OK;
+ stream->line = 1;
+ stream->column = 0;
+ stream->position = 0;
}
-static int stream_get(stream_t *stream, json_error_t *error) {
- int c;
-
- if (stream->state != STREAM_STATE_OK)
- return stream->state;
-
- if (!stream->buffer[stream->buffer_pos]) {
- c = stream->get(stream->data);
- if (c == EOF) {
- stream->state = STREAM_STATE_EOF;
- return STREAM_STATE_EOF;
- }
+static int
+stream_get (
+ stream_t *stream,
+ json_error_t *error
+ )
+{
+ int c;
+
+ if (stream->state != STREAM_STATE_OK) {
+ return stream->state;
+ }
+
+ if (!stream->buffer[stream->buffer_pos]) {
+ c = stream->get (stream->data);
+ if (c == EOF) {
+ stream->state = STREAM_STATE_EOF;
+ return STREAM_STATE_EOF;
+ }
- stream->buffer[0] = c;
- stream->buffer_pos = 0;
+ stream->buffer[0] = c;
+ stream->buffer_pos = 0;
- if (0x80 <= c && c <= 0xFF) {
- /* multi-byte UTF-8 sequence */
- size_t i, count;
+ if ((0x80 <= c) && (c <= 0xFF)) {
+ /* multi-byte UTF-8 sequence */
+ size_t i, count;
- count = utf8_check_first(c);
- if (!count)
- goto out;
+ count = utf8_check_first (c);
+ if (!count) {
+ goto out;
+ }
- assert(count >= 2);
+ assert (count >= 2);
- for (i = 1; i < count; i++)
- stream->buffer[i] = stream->get(stream->data);
+ for (i = 1; i < count; i++) {
+ stream->buffer[i] = stream->get (stream->data);
+ }
- if (!utf8_check_full(stream->buffer, count, NULL))
- goto out;
+ if (!utf8_check_full (stream->buffer, count, NULL)) {
+ goto out;
+ }
- stream->buffer[count] = '\0';
- } else
- stream->buffer[1] = '\0';
+ stream->buffer[count] = '\0';
+ } else {
+ stream->buffer[1] = '\0';
}
+ }
- c = stream->buffer[stream->buffer_pos++];
-
- stream->position++;
- if (c == '\n') {
- stream->line++;
- stream->last_column = stream->column;
- stream->column = 0;
- } else if (utf8_check_first(c)) {
- /* track the Unicode character column, so increment only if
- this is the first character of a UTF-8 sequence */
- stream->column++;
- }
+ c = stream->buffer[stream->buffer_pos++];
- return c;
+ stream->position++;
+ if (c == '\n') {
+ stream->line++;
+ stream->last_column = stream->column;
+ stream->column = 0;
+ } else if (utf8_check_first (c)) {
+ /* track the Unicode character column, so increment only if
+ this is the first character of a UTF-8 sequence */
+ stream->column++;
+ }
+
+ return c;
out:
- stream->state = STREAM_STATE_ERROR;
- error_set(error, stream_to_lex(stream), json_error_invalid_utf8,
- "unable to decode byte 0x%x", c);
- return STREAM_STATE_ERROR;
+ stream->state = STREAM_STATE_ERROR;
+ error_set (
+ error,
+ stream_to_lex (stream),
+ json_error_invalid_utf8,
+ "unable to decode byte 0x%x",
+ c
+ );
+ return STREAM_STATE_ERROR;
}
-static void stream_unget(stream_t *stream, int c) {
- if (c == STREAM_STATE_EOF || c == STREAM_STATE_ERROR)
- return;
-
- stream->position--;
- if (c == '\n') {
- stream->line--;
- stream->column = stream->last_column;
- } else if (utf8_check_first(c))
- stream->column--;
+static void
+stream_unget (
+ stream_t *stream,
+ int c
+ )
+{
+ if ((c == STREAM_STATE_EOF) || (c == STREAM_STATE_ERROR)) {
+ return;
+ }
+
+ stream->position--;
+ if (c == '\n') {
+ stream->line--;
+ stream->column = stream->last_column;
+ } else if (utf8_check_first (c)) {
+ stream->column--;
+ }
+
+ assert (stream->buffer_pos > 0);
+ stream->buffer_pos--;
+ assert (stream->buffer[stream->buffer_pos] == c);
+}
- assert(stream->buffer_pos > 0);
- stream->buffer_pos--;
- assert(stream->buffer[stream->buffer_pos] == c);
+static int
+lex_get (
+ lex_t *lex,
+ json_error_t *error
+ )
+{
+ return stream_get (&lex->stream, error);
}
-static int lex_get(lex_t *lex, json_error_t *error) {
- return stream_get(&lex->stream, error);
+static void
+lex_save (
+ lex_t *lex,
+ int c
+ )
+{
+ strbuffer_append_byte (&lex->saved_text, c);
}
-static void lex_save(lex_t *lex, int c) { strbuffer_append_byte(&lex->saved_text, c); }
+static int
+lex_get_save (
+ lex_t *lex,
+ json_error_t *error
+ )
+{
+ int c = stream_get (&lex->stream, error);
-static int lex_get_save(lex_t *lex, json_error_t *error) {
- int c = stream_get(&lex->stream, error);
- if (c != STREAM_STATE_EOF && c != STREAM_STATE_ERROR)
- lex_save(lex, c);
- return c;
+ if ((c != STREAM_STATE_EOF) && (c != STREAM_STATE_ERROR)) {
+ lex_save (lex, c);
+ }
+
+ return c;
}
-static void lex_unget(lex_t *lex, int c) { stream_unget(&lex->stream, c); }
+static void
+lex_unget (
+ lex_t *lex,
+ int c
+ )
+{
+ stream_unget (&lex->stream, c);
+}
-static void lex_unget_unsave(lex_t *lex, int c) {
- if (c != STREAM_STATE_EOF && c != STREAM_STATE_ERROR) {
-/* Since we treat warnings as errors, when assertions are turned
- * off the "d" variable would be set but never used. Which is
- * treated as an error by GCC.
- */
-#ifndef NDEBUG
- char d;
-#endif
- stream_unget(&lex->stream, c);
-#ifndef NDEBUG
- d =
-#endif
- strbuffer_pop(&lex->saved_text);
- assert(c == d);
- }
+static void
+lex_unget_unsave (
+ lex_t *lex,
+ int c
+ )
+{
+ if ((c != STREAM_STATE_EOF) && (c != STREAM_STATE_ERROR)) {
+ /* Since we treat warnings as errors, when assertions are turned
+ * off the "d" variable would be set but never used. Which is
+ * treated as an error by GCC.
+ */
+ #ifndef NDEBUG
+ char d;
+ #endif
+ stream_unget (&lex->stream, c);
+ #ifndef NDEBUG
+ d =
+ #endif
+ strbuffer_pop (&lex->saved_text);
+ assert (c == d);
+ }
}
-static void lex_save_cached(lex_t *lex) {
- while (lex->stream.buffer[lex->stream.buffer_pos] != '\0') {
- lex_save(lex, lex->stream.buffer[lex->stream.buffer_pos]);
- lex->stream.buffer_pos++;
- lex->stream.position++;
- }
+static void
+lex_save_cached (
+ lex_t *lex
+ )
+{
+ while (lex->stream.buffer[lex->stream.buffer_pos] != '\0') {
+ lex_save (lex, lex->stream.buffer[lex->stream.buffer_pos]);
+ lex->stream.buffer_pos++;
+ lex->stream.position++;
+ }
}
-static void lex_free_string(lex_t *lex) {
- jsonp_free(lex->value.string.val);
- lex->value.string.val = NULL;
- lex->value.string.len = 0;
+static void
+lex_free_string (
+ lex_t *lex
+ )
+{
+ jsonp_free (lex->value.string.val);
+ lex->value.string.val = NULL;
+ lex->value.string.len = 0;
}
/* assumes that str points to 'u' plus at least 4 valid hex digits */
-static int32_t decode_unicode_escape(const char *str) {
- int i;
- int32_t value = 0;
-
- assert(str[0] == 'u');
-
- for (i = 1; i <= 4; i++) {
- char c = str[i];
- value <<= 4;
- if (l_isdigit(c))
- value += c - '0';
- else if (l_islower(c))
- value += c - 'a' + 10;
- else if (l_isupper(c))
- value += c - 'A' + 10;
- else
- return -1;
+static int32_t
+decode_unicode_escape (
+ const char *str
+ )
+{
+ int i;
+ int32_t value = 0;
+
+ assert (str[0] == 'u');
+
+ for (i = 1; i <= 4; i++) {
+ char c = str[i];
+ value <<= 4;
+ if (l_isdigit (c)) {
+ value += c - '0';
+ } else if (l_islower (c)) {
+ value += c - 'a' + 10;
+ } else if (l_isupper (c)) {
+ value += c - 'A' + 10;
+ } else {
+ return -1;
}
+ }
- return value;
+ return value;
}
-static void lex_scan_string(lex_t *lex, json_error_t *error) {
- int c;
- const char *p;
- char *t;
- int i;
+static void
+lex_scan_string (
+ lex_t *lex,
+ json_error_t *error
+ )
+{
+ int c;
+ const char *p;
+ char *t;
+ int i;
- lex->value.string.val = NULL;
- lex->token = TOKEN_INVALID;
+ lex->value.string.val = NULL;
+ lex->token = TOKEN_INVALID;
- c = lex_get_save(lex, error);
+ c = lex_get_save (lex, error);
- while (c != '"') {
- if (c == STREAM_STATE_ERROR)
+ while (c != '"') {
+ if (c == STREAM_STATE_ERROR) {
+ goto out;
+ } else if (c == STREAM_STATE_EOF) {
+ error_set (
+ error,
+ lex,
+ json_error_premature_end_of_input,
+ "premature end of input"
+ );
+ goto out;
+ } else if ((0 <= c) && (c <= 0x1F)) {
+ /* control character */
+ lex_unget_unsave (lex, c);
+ if (c == '\n') {
+ error_set (error, lex, json_error_invalid_syntax, "unexpected newline");
+ } else {
+ error_set (
+ error,
+ lex,
+ json_error_invalid_syntax,
+ "control character 0x%x",
+ c
+ );
+ }
+
+ goto out;
+ } else if (c == '\\') {
+ c = lex_get_save (lex, error);
+ if (c == 'u') {
+ c = lex_get_save (lex, error);
+ for (i = 0; i < 4; i++) {
+ if (!l_isxdigit (c)) {
+ error_set (
+ error,
+ lex,
+ json_error_invalid_syntax,
+ "invalid escape"
+ );
goto out;
+ }
- else if (c == STREAM_STATE_EOF) {
- error_set(error, lex, json_error_premature_end_of_input,
- "premature end of input");
- goto out;
+ c = lex_get_save (lex, error);
}
-
- else if (0 <= c && c <= 0x1F) {
- /* control character */
- lex_unget_unsave(lex, c);
- if (c == '\n')
- error_set(error, lex, json_error_invalid_syntax, "unexpected newline");
- else
- error_set(error, lex, json_error_invalid_syntax, "control character 0x%x",
- c);
- goto out;
+ } else if ((c == '"') || (c == '\\') || (c == '/') || (c == 'b') || (c == 'f') ||
+ (c == 'n') || (c == 'r') || (c == 't'))
+ {
+ c = lex_get_save (lex, error);
+ } else {
+ error_set (error, lex, json_error_invalid_syntax, "invalid escape");
+ goto out;
+ }
+ } else {
+ c = lex_get_save (lex, error);
+ }
+ }
+
+ /* the actual value is at most of the same length as the source
+ string, because:
+ - shortcut escapes (e.g. "\t") (length 2) are converted to 1 byte
+ - a single \uXXXX escape (length 6) is converted to at most 3 bytes
+ - two \uXXXX escapes (length 12) forming an UTF-16 surrogate pair
+ are converted to 4 bytes
+ */
+ t = jsonp_malloc (lex->saved_text.length + 1);
+ if (!t) {
+ /* this is not very nice, since TOKEN_INVALID is returned */
+ goto out;
+ }
+
+ lex->value.string.val = t;
+
+ /* + 1 to skip the " */
+ p = strbuffer_value (&lex->saved_text) + 1;
+
+ while (*p != '"') {
+ if (*p == '\\') {
+ p++;
+ if (*p == 'u') {
+ size_t length;
+ int32_t value;
+
+ value = decode_unicode_escape (p);
+ if (value < 0) {
+ error_set (
+ error,
+ lex,
+ json_error_invalid_syntax,
+ "invalid Unicode escape '%.6s'",
+ p - 1
+ );
+ goto out;
}
- else if (c == '\\') {
- c = lex_get_save(lex, error);
- if (c == 'u') {
- c = lex_get_save(lex, error);
- for (i = 0; i < 4; i++) {
- if (!l_isxdigit(c)) {
- error_set(error, lex, json_error_invalid_syntax,
- "invalid escape");
- goto out;
- }
- c = lex_get_save(lex, error);
- }
- } else if (c == '"' || c == '\\' || c == '/' || c == 'b' || c == 'f' ||
- c == 'n' || c == 'r' || c == 't')
- c = lex_get_save(lex, error);
- else {
- error_set(error, lex, json_error_invalid_syntax, "invalid escape");
- goto out;
+ p += 5;
+
+ if ((0xD800 <= value) && (value <= 0xDBFF)) {
+ /* surrogate pair */
+ if ((*p == '\\') && (*(p + 1) == 'u')) {
+ int32_t value2 = decode_unicode_escape (++p);
+ if (value2 < 0) {
+ error_set (
+ error,
+ lex,
+ json_error_invalid_syntax,
+ "invalid Unicode escape '%.6s'",
+ p - 1
+ );
+ goto out;
}
- } else
- c = lex_get_save(lex, error);
- }
- /* the actual value is at most of the same length as the source
- string, because:
- - shortcut escapes (e.g. "\t") (length 2) are converted to 1 byte
- - a single \uXXXX escape (length 6) is converted to at most 3 bytes
- - two \uXXXX escapes (length 12) forming an UTF-16 surrogate pair
- are converted to 4 bytes
- */
- t = jsonp_malloc(lex->saved_text.length + 1);
- if (!t) {
- /* this is not very nice, since TOKEN_INVALID is returned */
- goto out;
- }
- lex->value.string.val = t;
-
- /* + 1 to skip the " */
- p = strbuffer_value(&lex->saved_text) + 1;
-
- while (*p != '"') {
- if (*p == '\\') {
- p++;
- if (*p == 'u') {
- size_t length;
- int32_t value;
-
- value = decode_unicode_escape(p);
- if (value < 0) {
- error_set(error, lex, json_error_invalid_syntax,
- "invalid Unicode escape '%.6s'", p - 1);
- goto out;
- }
- p += 5;
-
- if (0xD800 <= value && value <= 0xDBFF) {
- /* surrogate pair */
- if (*p == '\\' && *(p + 1) == 'u') {
- int32_t value2 = decode_unicode_escape(++p);
- if (value2 < 0) {
- error_set(error, lex, json_error_invalid_syntax,
- "invalid Unicode escape '%.6s'", p - 1);
- goto out;
- }
- p += 5;
-
- if (0xDC00 <= value2 && value2 <= 0xDFFF) {
- /* valid second surrogate */
- value =
- ((value - 0xD800) << 10) + (value2 - 0xDC00) + 0x10000;
- } else {
- /* invalid second surrogate */
- error_set(error, lex, json_error_invalid_syntax,
- "invalid Unicode '\\u%04X\\u%04X'", value, value2);
- goto out;
- }
- } else {
- /* no second surrogate */
- error_set(error, lex, json_error_invalid_syntax,
- "invalid Unicode '\\u%04X'", value);
- goto out;
- }
- } else if (0xDC00 <= value && value <= 0xDFFF) {
- error_set(error, lex, json_error_invalid_syntax,
- "invalid Unicode '\\u%04X'", value);
- goto out;
- }
-
- if (utf8_encode(value, t, &length))
- assert(0);
- t += length;
+ p += 5;
+
+ if ((0xDC00 <= value2) && (value2 <= 0xDFFF)) {
+ /* valid second surrogate */
+ value =
+ ((value - 0xD800) << 10) + (value2 - 0xDC00) + 0x10000;
} else {
- switch (*p) {
- case '"':
- case '\\':
- case '/':
- *t = *p;
- break;
- case 'b':
- *t = '\b';
- break;
- case 'f':
- *t = '\f';
- break;
- case 'n':
- *t = '\n';
- break;
- case 'r':
- *t = '\r';
- break;
- case 't':
- *t = '\t';
- break;
- default:
- assert(0);
- }
- t++;
- p++;
+ /* invalid second surrogate */
+ error_set (
+ error,
+ lex,
+ json_error_invalid_syntax,
+ "invalid Unicode '\\u%04X\\u%04X'",
+ value,
+ value2
+ );
+ goto out;
}
- } else
- *(t++) = *(p++);
+ } else {
+ /* no second surrogate */
+ error_set (
+ error,
+ lex,
+ json_error_invalid_syntax,
+ "invalid Unicode '\\u%04X'",
+ value
+ );
+ goto out;
+ }
+ } else if ((0xDC00 <= value) && (value <= 0xDFFF)) {
+ error_set (
+ error,
+ lex,
+ json_error_invalid_syntax,
+ "invalid Unicode '\\u%04X'",
+ value
+ );
+ goto out;
+ }
+
+ if (utf8_encode (value, t, &length)) {
+ assert (0);
+ }
+
+ t += length;
+ } else {
+ switch (*p) {
+ case '"':
+ case '\\':
+ case '/':
+ *t = *p;
+ break;
+ case 'b':
+ *t = '\b';
+ break;
+ case 'f':
+ *t = '\f';
+ break;
+ case 'n':
+ *t = '\n';
+ break;
+ case 'r':
+ *t = '\r';
+ break;
+ case 't':
+ *t = '\t';
+ break;
+ default:
+ assert (0);
+ }
+
+ t++;
+ p++;
+ }
+ } else {
+ *(t++) = *(p++);
}
- *t = '\0';
- lex->value.string.len = t - lex->value.string.val;
- lex->token = TOKEN_STRING;
- return;
+ }
+
+ *t = '\0';
+ lex->value.string.len = t - lex->value.string.val;
+ lex->token = TOKEN_STRING;
+ return;
out:
- lex_free_string(lex);
+ lex_free_string (lex);
}
#ifndef JANSSON_USING_CMAKE /* disabled if using cmake */
-#if JSON_INTEGER_IS_LONG_LONG
-#ifdef _MSC_VER /* Microsoft Visual Studio */
-#define json_strtoint _strtoi64
-#else
-#define json_strtoint strtoll
-#endif
-#else
-#define json_strtoint strtol
-#endif
+ #if JSON_INTEGER_IS_LONG_LONG
+ #ifdef _MSC_VER /* Microsoft Visual Studio */
+#define json_strtoint _strtoi64
+ #else
+#define json_strtoint strtoll
+ #endif
+ #else
+#define json_strtoint strtol
+ #endif
#endif
-static int lex_scan_number(lex_t *lex, int c, json_error_t *error) {
- const char *saved_text;
- char *end;
- double doubleval;
-
- lex->token = TOKEN_INVALID;
-
- if (c == '-')
- c = lex_get_save(lex, error);
-
- if (c == '0') {
- c = lex_get_save(lex, error);
- if (l_isdigit(c)) {
- lex_unget_unsave(lex, c);
- goto out;
- }
- } else if (l_isdigit(c)) {
- do
- c = lex_get_save(lex, error);
- while (l_isdigit(c));
- } else {
- lex_unget_unsave(lex, c);
- goto out;
+static int
+lex_scan_number (
+ lex_t *lex,
+ int c,
+ json_error_t *error
+ )
+{
+ const char *saved_text;
+ char *end;
+ double doubleval;
+
+ lex->token = TOKEN_INVALID;
+
+ if (c == '-') {
+ c = lex_get_save (lex, error);
+ }
+
+ if (c == '0') {
+ c = lex_get_save (lex, error);
+ if (l_isdigit (c)) {
+ lex_unget_unsave (lex, c);
+ goto out;
+ }
+ } else if (l_isdigit (c)) {
+ do {
+ c = lex_get_save (lex, error);
+ } while (l_isdigit (c));
+ } else {
+ lex_unget_unsave (lex, c);
+ goto out;
+ }
+
+ if (!(lex->flags & JSON_DECODE_INT_AS_REAL) && (c != '.') && (c != 'E') && (c != 'e')) {
+ json_int_t intval;
+
+ lex_unget_unsave (lex, c);
+
+ saved_text = strbuffer_value (&lex->saved_text);
+
+ errno = 0;
+ intval = json_strtoint (saved_text, &end, 10);
+ if (errno == ERANGE) {
+ if (intval < 0) {
+ error_set (
+ error,
+ lex,
+ json_error_numeric_overflow,
+ "too big negative integer"
+ );
+ } else {
+ error_set (error, lex, json_error_numeric_overflow, "too big integer");
+ }
+
+ goto out;
}
- if (!(lex->flags & JSON_DECODE_INT_AS_REAL) && c != '.' && c != 'E' && c != 'e') {
- json_int_t intval;
+ assert (end == saved_text + lex->saved_text.length);
- lex_unget_unsave(lex, c);
+ lex->token = TOKEN_INTEGER;
+ lex->value.integer = intval;
+ return 0;
+ }
- saved_text = strbuffer_value(&lex->saved_text);
+ if (c == '.') {
+ c = lex_get (lex, error);
+ if (!l_isdigit (c)) {
+ lex_unget (lex, c);
+ goto out;
+ }
- errno = 0;
- intval = json_strtoint(saved_text, &end, 10);
- if (errno == ERANGE) {
- if (intval < 0)
- error_set(error, lex, json_error_numeric_overflow,
- "too big negative integer");
- else
- error_set(error, lex, json_error_numeric_overflow, "too big integer");
- goto out;
- }
+ lex_save (lex, c);
- assert(end == saved_text + lex->saved_text.length);
+ do {
+ c = lex_get_save (lex, error);
+ } while (l_isdigit (c));
+ }
- lex->token = TOKEN_INTEGER;
- lex->value.integer = intval;
- return 0;
+ if ((c == 'E') || (c == 'e')) {
+ c = lex_get_save (lex, error);
+ if ((c == '+') || (c == '-')) {
+ c = lex_get_save (lex, error);
}
- if (c == '.') {
- c = lex_get(lex, error);
- if (!l_isdigit(c)) {
- lex_unget(lex, c);
- goto out;
- }
- lex_save(lex, c);
-
- do
- c = lex_get_save(lex, error);
- while (l_isdigit(c));
+ if (!l_isdigit (c)) {
+ lex_unget_unsave (lex, c);
+ goto out;
}
- if (c == 'E' || c == 'e') {
- c = lex_get_save(lex, error);
- if (c == '+' || c == '-')
- c = lex_get_save(lex, error);
+ do {
+ c = lex_get_save (lex, error);
+ } while (l_isdigit (c));
+ }
- if (!l_isdigit(c)) {
- lex_unget_unsave(lex, c);
- goto out;
- }
+ lex_unget_unsave (lex, c);
- do
- c = lex_get_save(lex, error);
- while (l_isdigit(c));
- }
+ if (jsonp_strtod (&lex->saved_text, &doubleval)) {
+ error_set (error, lex, json_error_numeric_overflow, "real number overflow");
+ goto out;
+ }
- lex_unget_unsave(lex, c);
-
- if (jsonp_strtod(&lex->saved_text, &doubleval)) {
- error_set(error, lex, json_error_numeric_overflow, "real number overflow");
- goto out;
- }
-
- lex->token = TOKEN_REAL;
- lex->value.real = doubleval;
- return 0;
+ lex->token = TOKEN_REAL;
+ lex->value.real = doubleval;
+ return 0;
out:
- return -1;
+ return -1;
}
-static int lex_scan(lex_t *lex, json_error_t *error) {
- int c;
+static int
+lex_scan (
+ lex_t *lex,
+ json_error_t *error
+ )
+{
+ int c;
- strbuffer_clear(&lex->saved_text);
+ strbuffer_clear (&lex->saved_text);
- if (lex->token == TOKEN_STRING)
- lex_free_string(lex);
+ if (lex->token == TOKEN_STRING) {
+ lex_free_string (lex);
+ }
- do
- c = lex_get(lex, error);
- while (c == ' ' || c == '\t' || c == '\n' || c == '\r');
+ do {
+ c = lex_get (lex, error);
+ } while (c == ' ' || c == '\t' || c == '\n' || c == '\r');
- if (c == STREAM_STATE_EOF) {
- lex->token = TOKEN_EOF;
- goto out;
- }
+ if (c == STREAM_STATE_EOF) {
+ lex->token = TOKEN_EOF;
+ goto out;
+ }
- if (c == STREAM_STATE_ERROR) {
- lex->token = TOKEN_INVALID;
- goto out;
+ if (c == STREAM_STATE_ERROR) {
+ lex->token = TOKEN_INVALID;
+ goto out;
+ }
+
+ lex_save (lex, c);
+
+ if ((c == '{') || (c == '}') || (c == '[') || (c == ']') || (c == ':') || (c == ',')) {
+ lex->token = c;
+ } else if (c == '"') {
+ lex_scan_string (lex, error);
+ } else if (l_isdigit (c) || (c == '-')) {
+ if (lex_scan_number (lex, c, error)) {
+ goto out;
}
+ } else if (l_isalpha (c)) {
+ /* eat up the whole identifier for clearer error messages */
+ const char *saved_text;
- lex_save(lex, c);
+ do {
+ c = lex_get_save (lex, error);
+ } while (l_isalpha (c));
- if (c == '{' || c == '}' || c == '[' || c == ']' || c == ':' || c == ',')
- lex->token = c;
+ lex_unget_unsave (lex, c);
- else if (c == '"')
- lex_scan_string(lex, error);
-
- else if (l_isdigit(c) || c == '-') {
- if (lex_scan_number(lex, c, error))
- goto out;
- }
+ saved_text = strbuffer_value (&lex->saved_text);
- else if (l_isalpha(c)) {
- /* eat up the whole identifier for clearer error messages */
- const char *saved_text;
-
- do
- c = lex_get_save(lex, error);
- while (l_isalpha(c));
- lex_unget_unsave(lex, c);
-
- saved_text = strbuffer_value(&lex->saved_text);
-
- if (strcmp(saved_text, "true") == 0)
- lex->token = TOKEN_TRUE;
- else if (strcmp(saved_text, "false") == 0)
- lex->token = TOKEN_FALSE;
- else if (strcmp(saved_text, "null") == 0)
- lex->token = TOKEN_NULL;
- else
- lex->token = TOKEN_INVALID;
- }
-
- else {
- /* save the rest of the input UTF-8 sequence to get an error
- message of valid UTF-8 */
- lex_save_cached(lex);
- lex->token = TOKEN_INVALID;
+ if (strcmp (saved_text, "true") == 0) {
+ lex->token = TOKEN_TRUE;
+ } else if (strcmp (saved_text, "false") == 0) {
+ lex->token = TOKEN_FALSE;
+ } else if (strcmp (saved_text, "null") == 0) {
+ lex->token = TOKEN_NULL;
+ } else {
+ lex->token = TOKEN_INVALID;
}
+ } else {
+ /* save the rest of the input UTF-8 sequence to get an error
+ message of valid UTF-8 */
+ lex_save_cached (lex);
+ lex->token = TOKEN_INVALID;
+ }
out:
- return lex->token;
+ return lex->token;
}
-static char *lex_steal_string(lex_t *lex, size_t *out_len) {
- char *result = NULL;
- if (lex->token == TOKEN_STRING) {
- result = lex->value.string.val;
- *out_len = lex->value.string.len;
- lex->value.string.val = NULL;
- lex->value.string.len = 0;
- }
- return result;
+static char *
+lex_steal_string (
+ lex_t *lex,
+ size_t *out_len
+ )
+{
+ char *result = NULL;
+
+ if (lex->token == TOKEN_STRING) {
+ result = lex->value.string.val;
+ *out_len = lex->value.string.len;
+ lex->value.string.val = NULL;
+ lex->value.string.len = 0;
+ }
+
+ return result;
}
-static int lex_init(lex_t *lex, get_func get, size_t flags, void *data) {
- stream_init(&lex->stream, get, data);
- if (strbuffer_init(&lex->saved_text))
- return -1;
+static int
+lex_init (
+ lex_t *lex,
+ get_func get,
+ size_t flags,
+ void *data
+ )
+{
+ stream_init (&lex->stream, get, data);
+ if (strbuffer_init (&lex->saved_text)) {
+ return -1;
+ }
- lex->flags = flags;
- lex->token = TOKEN_INVALID;
- return 0;
+ lex->flags = flags;
+ lex->token = TOKEN_INVALID;
+ return 0;
}
-static void lex_close(lex_t *lex) {
- if (lex->token == TOKEN_STRING)
- lex_free_string(lex);
- strbuffer_close(&lex->saved_text);
+static void
+lex_close (
+ lex_t *lex
+ )
+{
+ if (lex->token == TOKEN_STRING) {
+ lex_free_string (lex);
+ }
+
+ strbuffer_close (&lex->saved_text);
}
/*** parser ***/
-static json_t *parse_value(lex_t *lex, size_t flags, json_error_t *error);
-
-static json_t *parse_object(lex_t *lex, size_t flags, json_error_t *error) {
- json_t *object = json_object();
- if (!object)
- return NULL;
+static json_t *
+parse_value (
+ lex_t *lex,
+ size_t flags,
+ json_error_t *error
+ );
+
+static json_t *
+parse_object (
+ lex_t *lex,
+ size_t flags,
+ json_error_t *error
+ )
+{
+ json_t *object = json_object ();
+
+ if (!object) {
+ return NULL;
+ }
- lex_scan(lex, error);
- if (lex->token == '}')
- return object;
+ lex_scan (lex, error);
+ if (lex->token == '}') {
+ return object;
+ }
- while (1) {
- char *key;
- size_t len;
- json_t *value;
+ while (1) {
+ char *key;
+ size_t len;
+ json_t *value;
- if (lex->token != TOKEN_STRING) {
- error_set(error, lex, json_error_invalid_syntax, "string or '}' expected");
- goto error;
- }
+ if (lex->token != TOKEN_STRING) {
+ error_set (error, lex, json_error_invalid_syntax, "string or '}' expected");
+ goto error;
+ }
- key = lex_steal_string(lex, &len);
- if (!key)
- return NULL;
- if (memchr(key, '\0', len)) {
- jsonp_free(key);
- error_set(error, lex, json_error_null_byte_in_key,
- "NUL byte in object key not supported");
- goto error;
- }
+ key = lex_steal_string (lex, &len);
+ if (!key) {
+ return NULL;
+ }
- if (flags & JSON_REJECT_DUPLICATES) {
- if (json_object_get(object, key)) {
- jsonp_free(key);
- error_set(error, lex, json_error_duplicate_key, "duplicate object key");
- goto error;
- }
- }
+ if (memchr (key, '\0', len)) {
+ jsonp_free (key);
+ error_set (
+ error,
+ lex,
+ json_error_null_byte_in_key,
+ "NUL byte in object key not supported"
+ );
+ goto error;
+ }
- lex_scan(lex, error);
- if (lex->token != ':') {
- jsonp_free(key);
- error_set(error, lex, json_error_invalid_syntax, "':' expected");
- goto error;
- }
+ if (flags & JSON_REJECT_DUPLICATES) {
+ if (json_object_get (object, key)) {
+ jsonp_free (key);
+ error_set (error, lex, json_error_duplicate_key, "duplicate object key");
+ goto error;
+ }
+ }
- lex_scan(lex, error);
- value = parse_value(lex, flags, error);
- if (!value) {
- jsonp_free(key);
- goto error;
- }
+ lex_scan (lex, error);
+ if (lex->token != ':') {
+ jsonp_free (key);
+ error_set (error, lex, json_error_invalid_syntax, "':' expected");
+ goto error;
+ }
- if (json_object_set_new_nocheck(object, key, value)) {
- jsonp_free(key);
- goto error;
- }
+ lex_scan (lex, error);
+ value = parse_value (lex, flags, error);
+ if (!value) {
+ jsonp_free (key);
+ goto error;
+ }
- jsonp_free(key);
+ if (json_object_set_new_nocheck (object, key, value)) {
+ jsonp_free (key);
+ goto error;
+ }
- lex_scan(lex, error);
- if (lex->token != ',')
- break;
+ jsonp_free (key);
- lex_scan(lex, error);
+ lex_scan (lex, error);
+ if (lex->token != ',') {
+ break;
}
- if (lex->token != '}') {
- error_set(error, lex, json_error_invalid_syntax, "'}' expected");
- goto error;
- }
+ lex_scan (lex, error);
+ }
- return object;
+ if (lex->token != '}') {
+ error_set (error, lex, json_error_invalid_syntax, "'}' expected");
+ goto error;
+ }
+
+ return object;
error:
- json_decref(object);
- return NULL;
+ json_decref (object);
+ return NULL;
}
-static json_t *parse_array(lex_t *lex, size_t flags, json_error_t *error) {
- json_t *array = json_array();
- if (!array)
- return NULL;
+static json_t *
+parse_array (
+ lex_t *lex,
+ size_t flags,
+ json_error_t *error
+ )
+{
+ json_t *array = json_array ();
- lex_scan(lex, error);
- if (lex->token == ']')
- return array;
-
- while (lex->token) {
- json_t *elem = parse_value(lex, flags, error);
- if (!elem)
- goto error;
+ if (!array) {
+ return NULL;
+ }
- if (json_array_append_new(array, elem)) {
- goto error;
- }
+ lex_scan (lex, error);
+ if (lex->token == ']') {
+ return array;
+ }
- lex_scan(lex, error);
- if (lex->token != ',')
- break;
+ while (lex->token) {
+ json_t *elem = parse_value (lex, flags, error);
+ if (!elem) {
+ goto error;
+ }
- lex_scan(lex, error);
+ if (json_array_append_new (array, elem)) {
+ goto error;
}
- if (lex->token != ']') {
- error_set(error, lex, json_error_invalid_syntax, "']' expected");
- goto error;
+ lex_scan (lex, error);
+ if (lex->token != ',') {
+ break;
}
- return array;
+ lex_scan (lex, error);
+ }
+
+ if (lex->token != ']') {
+ error_set (error, lex, json_error_invalid_syntax, "']' expected");
+ goto error;
+ }
+
+ return array;
error:
- json_decref(array);
- return NULL;
+ json_decref (array);
+ return NULL;
}
-static json_t *parse_value(lex_t *lex, size_t flags, json_error_t *error) {
- json_t *json;
+static json_t *
+parse_value (
+ lex_t *lex,
+ size_t flags,
+ json_error_t *error
+ )
+{
+ json_t *json;
+
+ lex->depth++;
+ if (lex->depth > JSON_PARSER_MAX_DEPTH) {
+ error_set (error, lex, json_error_stack_overflow, "maximum parsing depth reached");
+ return NULL;
+ }
+
+ switch (lex->token) {
+ case TOKEN_STRING:
+ {
+ const char *value = lex->value.string.val;
+ size_t len = lex->value.string.len;
+
+ if (!(flags & JSON_ALLOW_NUL)) {
+ if (memchr (value, '\0', len)) {
+ error_set (
+ error,
+ lex,
+ json_error_null_character,
+ "\\u0000 is not allowed without JSON_ALLOW_NUL"
+ );
+ return NULL;
+ }
+ }
- lex->depth++;
- if (lex->depth > JSON_PARSER_MAX_DEPTH) {
- error_set(error, lex, json_error_stack_overflow, "maximum parsing depth reached");
- return NULL;
+ json = jsonp_stringn_nocheck_own (value, len);
+ lex->value.string.val = NULL;
+ lex->value.string.len = 0;
+ break;
}
- switch (lex->token) {
- case TOKEN_STRING: {
- const char *value = lex->value.string.val;
- size_t len = lex->value.string.len;
-
- if (!(flags & JSON_ALLOW_NUL)) {
- if (memchr(value, '\0', len)) {
- error_set(error, lex, json_error_null_character,
- "\\u0000 is not allowed without JSON_ALLOW_NUL");
- return NULL;
- }
- }
-
- json = jsonp_stringn_nocheck_own(value, len);
- lex->value.string.val = NULL;
- lex->value.string.len = 0;
- break;
- }
-
- case TOKEN_INTEGER: {
- json = json_integer(lex->value.integer);
- break;
- }
+ case TOKEN_INTEGER:
+ {
+ json = json_integer (lex->value.integer);
+ break;
+ }
- case TOKEN_REAL: {
- json = json_real(lex->value.real);
- break;
- }
+ case TOKEN_REAL:
+ {
+ json = json_real (lex->value.real);
+ break;
+ }
- case TOKEN_TRUE:
- json = json_true();
- break;
+ case TOKEN_TRUE:
+ json = json_true ();
+ break;
- case TOKEN_FALSE:
- json = json_false();
- break;
+ case TOKEN_FALSE:
+ json = json_false ();
+ break;
- case TOKEN_NULL:
- json = json_null();
- break;
+ case TOKEN_NULL:
+ json = json_null ();
+ break;
- case '{':
- json = parse_object(lex, flags, error);
- break;
+ case '{':
+ json = parse_object (lex, flags, error);
+ break;
- case '[':
- json = parse_array(lex, flags, error);
- break;
+ case '[':
+ json = parse_array (lex, flags, error);
+ break;
- case TOKEN_INVALID:
- error_set(error, lex, json_error_invalid_syntax, "invalid token");
- return NULL;
+ case TOKEN_INVALID:
+ error_set (error, lex, json_error_invalid_syntax, "invalid token");
+ return NULL;
- default:
- error_set(error, lex, json_error_invalid_syntax, "unexpected token");
- return NULL;
- }
+ default:
+ error_set (error, lex, json_error_invalid_syntax, "unexpected token");
+ return NULL;
+ }
- if (!json)
- return NULL;
+ if (!json) {
+ return NULL;
+ }
- lex->depth--;
- return json;
+ lex->depth--;
+ return json;
}
-static json_t *parse_json(lex_t *lex, size_t flags, json_error_t *error) {
- json_t *result;
-
- lex->depth = 0;
-
- lex_scan(lex, error);
- if (!(flags & JSON_DECODE_ANY)) {
- if (lex->token != '[' && lex->token != '{') {
- error_set(error, lex, json_error_invalid_syntax, "'[' or '{' expected");
- return NULL;
- }
+static json_t *
+parse_json (
+ lex_t *lex,
+ size_t flags,
+ json_error_t *error
+ )
+{
+ json_t *result;
+
+ lex->depth = 0;
+
+ lex_scan (lex, error);
+ if (!(flags & JSON_DECODE_ANY)) {
+ if ((lex->token != '[') && (lex->token != '{')) {
+ error_set (error, lex, json_error_invalid_syntax, "'[' or '{' expected");
+ return NULL;
}
+ }
- result = parse_value(lex, flags, error);
- if (!result)
- return NULL;
-
- if (!(flags & JSON_DISABLE_EOF_CHECK)) {
- lex_scan(lex, error);
- if (lex->token != TOKEN_EOF) {
- error_set(error, lex, json_error_end_of_input_expected,
- "end of file expected");
- json_decref(result);
- return NULL;
- }
+ result = parse_value (lex, flags, error);
+ if (!result) {
+ return NULL;
+ }
+
+ if (!(flags & JSON_DISABLE_EOF_CHECK)) {
+ lex_scan (lex, error);
+ if (lex->token != TOKEN_EOF) {
+ error_set (
+ error,
+ lex,
+ json_error_end_of_input_expected,
+ "end of file expected"
+ );
+ json_decref (result);
+ return NULL;
}
+ }
- if (error) {
- /* Save the position even though there was no error */
- error->position = (int)lex->stream.position;
- }
+ if (error) {
+ /* Save the position even though there was no error */
+ error->position = (int)lex->stream.position;
+ }
- return result;
+ return result;
}
typedef struct {
- const char *data;
- size_t pos;
+ const char *data;
+ size_t pos;
} string_data_t;
-static int string_get(void *data) {
- char c;
- string_data_t *stream = (string_data_t *)data;
- c = stream->data[stream->pos];
- if (c == '\0')
- return EOF;
- else {
- stream->pos++;
- return (unsigned char)c;
- }
-}
-
-json_t *json_loads(const char *string, size_t flags, json_error_t *error) {
- lex_t lex;
- json_t *result;
- string_data_t stream_data;
+static int
+string_get (
+ void *data
+ )
+{
+ char c;
+ string_data_t *stream = (string_data_t *)data;
- jsonp_error_init(error, "<string>");
+ c = stream->data[stream->pos];
+ if (c == '\0') {
+ return EOF;
+ } else {
+ stream->pos++;
+ return (unsigned char)c;
+ }
+}
- if (string == NULL) {
- error_set(error, NULL, json_error_invalid_argument, "wrong arguments");
- return NULL;
- }
+json_t *
+json_loads (
+ const char *string,
+ size_t flags,
+ json_error_t *error
+ )
+{
+ lex_t lex;
+ json_t *result;
+ string_data_t stream_data;
+
+ jsonp_error_init (error, "<string>");
+
+ if (string == NULL) {
+ error_set (error, NULL, json_error_invalid_argument, "wrong arguments");
+ return NULL;
+ }
- stream_data.data = string;
- stream_data.pos = 0;
+ stream_data.data = string;
+ stream_data.pos = 0;
- if (lex_init(&lex, string_get, flags, (void *)&stream_data))
- return NULL;
+ if (lex_init (&lex, string_get, flags, (void *)&stream_data)) {
+ return NULL;
+ }
- result = parse_json(&lex, flags, error);
+ result = parse_json (&lex, flags, error);
- lex_close(&lex);
- return result;
+ lex_close (&lex);
+ return result;
}
typedef struct {
- const char *data;
- size_t len;
- size_t pos;
+ const char *data;
+ size_t len;
+ size_t pos;
} buffer_data_t;
-static int buffer_get(void *data) {
- char c;
- buffer_data_t *stream = data;
- if (stream->pos >= stream->len)
- return EOF;
+static int
+buffer_get (
+ void *data
+ )
+{
+ char c;
+ buffer_data_t *stream = data;
- c = stream->data[stream->pos];
- stream->pos++;
- return (unsigned char)c;
-}
-
-json_t *json_loadb(const char *buffer, size_t buflen, size_t flags, json_error_t *error) {
- lex_t lex;
- json_t *result;
- buffer_data_t stream_data;
+ if (stream->pos >= stream->len) {
+ return EOF;
+ }
- jsonp_error_init(error, "<buffer>");
+ c = stream->data[stream->pos];
+ stream->pos++;
+ return (unsigned char)c;
+}
- if (buffer == NULL) {
- error_set(error, NULL, json_error_invalid_argument, "wrong arguments");
- return NULL;
- }
+json_t *
+json_loadb (
+ const char *buffer,
+ size_t buflen,
+ size_t flags,
+ json_error_t *error
+ )
+{
+ lex_t lex;
+ json_t *result;
+ buffer_data_t stream_data;
+
+ jsonp_error_init (error, "<buffer>");
+
+ if (buffer == NULL) {
+ error_set (error, NULL, json_error_invalid_argument, "wrong arguments");
+ return NULL;
+ }
- stream_data.data = buffer;
- stream_data.pos = 0;
- stream_data.len = buflen;
+ stream_data.data = buffer;
+ stream_data.pos = 0;
+ stream_data.len = buflen;
- if (lex_init(&lex, buffer_get, flags, (void *)&stream_data))
- return NULL;
+ if (lex_init (&lex, buffer_get, flags, (void *)&stream_data)) {
+ return NULL;
+ }
- result = parse_json(&lex, flags, error);
+ result = parse_json (&lex, flags, error);
- lex_close(&lex);
- return result;
+ lex_close (&lex);
+ return result;
}
-json_t *json_loadf(FILE *input, size_t flags, json_error_t *error) {
- lex_t lex;
- const char *source;
- json_t *result;
-#ifdef HAVE_UNISTD_H
- if (input == stdin)
- source = "<stdin>";
- else
-#endif
- source = "<stream>";
-
- jsonp_error_init(error, source);
-
- if (input == NULL) {
- error_set(error, NULL, json_error_invalid_argument, "wrong arguments");
- return NULL;
- }
+json_t *
+json_loadf (
+ FILE *input,
+ size_t flags,
+ json_error_t *error
+ )
+{
+ lex_t lex;
+ const char *source;
+ json_t *result;
+
+ #ifdef HAVE_UNISTD_H
+ if (input == stdin) {
+ source = "<stdin>";
+ } else
+ #endif
+ source = "<stream>";
+
+ jsonp_error_init (error, source);
+
+ if (input == NULL) {
+ error_set (error, NULL, json_error_invalid_argument, "wrong arguments");
+ return NULL;
+ }
- if (lex_init(&lex, (get_func)fgetc, flags, input))
- return NULL;
+ if (lex_init (&lex, (get_func)fgetc, flags, input)) {
+ return NULL;
+ }
- result = parse_json(&lex, flags, error);
+ result = parse_json (&lex, flags, error);
- lex_close(&lex);
- return result;
-}
-
-static int fd_get_func(int *fd) {
-#ifdef HAVE_UNISTD_H
- uint8_t c;
- if (read(*fd, &c, 1) == 1)
- return c;
-#endif
- return EOF;
+ lex_close (&lex);
+ return result;
}
-json_t *json_loadfd(int input, size_t flags, json_error_t *error) {
- lex_t lex;
- const char *source;
- json_t *result;
-
-#ifdef HAVE_UNISTD_H
- if (input == STDIN_FILENO)
- source = "<stdin>";
- else
-#endif
- source = "<stream>";
+static int
+fd_get_func (
+ int *fd
+ )
+{
+ #ifdef HAVE_UNISTD_H
+ uint8_t c;
+ if (read (*fd, &c, 1) == 1) {
+ return c;
+ }
- jsonp_error_init(error, source);
+ #endif
+ return EOF;
+}
- if (input < 0) {
- error_set(error, NULL, json_error_invalid_argument, "wrong arguments");
- return NULL;
- }
+json_t *
+json_loadfd (
+ int input,
+ size_t flags,
+ json_error_t *error
+ )
+{
+ lex_t lex;
+ const char *source;
+ json_t *result;
+
+ #ifdef HAVE_UNISTD_H
+ if (input == STDIN_FILENO) {
+ source = "<stdin>";
+ } else
+ #endif
+ source = "<stream>";
+
+ jsonp_error_init (error, source);
+
+ if (input < 0) {
+ error_set (error, NULL, json_error_invalid_argument, "wrong arguments");
+ return NULL;
+ }
- if (lex_init(&lex, (get_func)fd_get_func, flags, &input))
- return NULL;
+ if (lex_init (&lex, (get_func)fd_get_func, flags, &input)) {
+ return NULL;
+ }
- result = parse_json(&lex, flags, error);
+ result = parse_json (&lex, flags, error);
- lex_close(&lex);
- return result;
+ lex_close (&lex);
+ return result;
}
-json_t *json_load_file(const char *path, size_t flags, json_error_t *error) {
- json_t *result;
- FILE *fp;
+json_t *
+json_load_file (
+ const char *path,
+ size_t flags,
+ json_error_t *error
+ )
+{
+ json_t *result;
+ FILE *fp;
- jsonp_error_init(error, path);
-
- if (path == NULL) {
- error_set(error, NULL, json_error_invalid_argument, "wrong arguments");
- return NULL;
- }
+ jsonp_error_init (error, path);
- fp = fopen(path, "rb");
- if (!fp) {
- error_set(error, NULL, json_error_cannot_open_file, "unable to open %s: %s", path,
- strerror(errno));
- return NULL;
- }
+ if (path == NULL) {
+ error_set (error, NULL, json_error_invalid_argument, "wrong arguments");
+ return NULL;
+ }
+
+ fp = fopen (path, "rb");
+ if (!fp) {
+ error_set (
+ error,
+ NULL,
+ json_error_cannot_open_file,
+ "unable to open %s: %s",
+ path,
+ strerror (errno)
+ );
+ return NULL;
+ }
- result = json_loadf(fp, flags, error);
+ result = json_loadf (fp, flags, error);
- fclose(fp);
- return result;
+ fclose (fp);
+ return result;
}
-#define MAX_BUF_LEN 1024
+#define MAX_BUF_LEN 1024
typedef struct {
- char data[MAX_BUF_LEN];
- size_t len;
- size_t pos;
- json_load_callback_t callback;
- void *arg;
+ char data[MAX_BUF_LEN];
+ size_t len;
+ size_t pos;
+ json_load_callback_t callback;
+ void *arg;
} callback_data_t;
-static int callback_get(void *data) {
- char c;
- callback_data_t *stream = data;
-
- if (stream->pos >= stream->len) {
- stream->pos = 0;
- stream->len = stream->callback(stream->data, MAX_BUF_LEN, stream->arg);
- if (stream->len == 0 || stream->len == (size_t)-1)
- return EOF;
+static int
+callback_get (
+ void *data
+ )
+{
+ char c;
+ callback_data_t *stream = data;
+
+ if (stream->pos >= stream->len) {
+ stream->pos = 0;
+ stream->len = stream->callback (stream->data, MAX_BUF_LEN, stream->arg);
+ if ((stream->len == 0) || (stream->len == (size_t)-1)) {
+ return EOF;
}
+ }
- c = stream->data[stream->pos];
- stream->pos++;
- return (unsigned char)c;
+ c = stream->data[stream->pos];
+ stream->pos++;
+ return (unsigned char)c;
}
-json_t *json_load_callback(json_load_callback_t callback, void *arg, size_t flags,
- json_error_t *error) {
- lex_t lex;
- json_t *result;
+json_t *
+json_load_callback (
+ json_load_callback_t callback,
+ void *arg,
+ size_t flags,
+ json_error_t *error
+ )
+{
+ lex_t lex;
+ json_t *result;
- callback_data_t stream_data;
+ callback_data_t stream_data;
- memset(&stream_data, 0, sizeof(stream_data));
- stream_data.callback = callback;
- stream_data.arg = arg;
+ memset (&stream_data, 0, sizeof (stream_data));
+ stream_data.callback = callback;
+ stream_data.arg = arg;
- jsonp_error_init(error, "<callback>");
+ jsonp_error_init (error, "<callback>");
- if (callback == NULL) {
- error_set(error, NULL, json_error_invalid_argument, "wrong arguments");
- return NULL;
- }
+ if (callback == NULL) {
+ error_set (error, NULL, json_error_invalid_argument, "wrong arguments");
+ return NULL;
+ }
- if (lex_init(&lex, (get_func)callback_get, flags, &stream_data))
- return NULL;
+ if (lex_init (&lex, (get_func)callback_get, flags, &stream_data)) {
+ return NULL;
+ }
- result = parse_json(&lex, flags, error);
+ result = parse_json (&lex, flags, error);
- lex_close(&lex);
- return result;
+ lex_close (&lex);
+ return result;
}
|