+++ /dev/null
-/*
- * Copyright 2007-2009, Lloyd Hilaiel.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. Neither the name of Lloyd Hilaiel nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "yajl/yajl_gen.h"
-#include "yajl_buf.h"
-#include "yajl_encode.h"
-
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-
-typedef enum {
- yajl_gen_start,
- yajl_gen_map_start,
- yajl_gen_map_key,
- yajl_gen_map_val,
- yajl_gen_array_start,
- yajl_gen_in_array,
- yajl_gen_complete,
- yajl_gen_error
-} yajl_gen_state;
-
-struct yajl_gen_t
-{
- unsigned int depth;
- unsigned int pretty;
- const char * indentString;
- yajl_gen_state state[YAJL_MAX_DEPTH];
- yajl_buf buf;
- /* memory allocation routines */
- yajl_alloc_funcs alloc;
-};
-
-yajl_gen
-yajl_gen_alloc(const yajl_gen_config * config,
- const yajl_alloc_funcs * afs)
-{
- yajl_gen g = NULL;
- yajl_alloc_funcs afsBuffer;
-
- /* first order of business is to set up memory allocation routines */
- if (afs != NULL) {
- if (afs->malloc == NULL || afs->realloc == NULL || afs->free == NULL)
- {
- return NULL;
- }
- } else {
- yajl_set_default_alloc_funcs(&afsBuffer);
- afs = &afsBuffer;
- }
-
- g = (yajl_gen) YA_MALLOC(afs, sizeof(struct yajl_gen_t));
- memset((void *) g, 0, sizeof(struct yajl_gen_t));
- /* copy in pointers to allocation routines */
- memcpy((void *) &(g->alloc), (void *) afs, sizeof(yajl_alloc_funcs));
-
- if (config) {
- g->pretty = config->beautify;
- g->indentString = config->indentString ? config->indentString : " ";
- }
- g->buf = yajl_buf_alloc(&(g->alloc));
-
- return g;
-}
-
-void
-yajl_gen_free(yajl_gen g)
-{
- yajl_buf_free(g->buf);
- YA_FREE(&(g->alloc), g);
-}
-
-#define INSERT_SEP \
- if (g->state[g->depth] == yajl_gen_map_key || \
- g->state[g->depth] == yajl_gen_in_array) { \
- yajl_buf_append(g->buf, ",", 1); \
- if (g->pretty) yajl_buf_append(g->buf, "\n", 1); \
- } else if (g->state[g->depth] == yajl_gen_map_val) { \
- yajl_buf_append(g->buf, ":", 1); \
- if (g->pretty) yajl_buf_append(g->buf, " ", 1); \
- }
-
-#define INSERT_WHITESPACE \
- if (g->pretty) { \
- if (g->state[g->depth] != yajl_gen_map_val) { \
- unsigned int _i; \
- for (_i=0;_i<g->depth;_i++) \
- yajl_buf_append(g->buf, g->indentString, \
- strlen(g->indentString)); \
- } \
- }
-
-#define ENSURE_NOT_KEY \
- if (g->state[g->depth] == yajl_gen_map_key) { \
- return yajl_gen_keys_must_be_strings; \
- } \
-
-/* check that we're not complete, or in error state. in a valid state
- * to be generating */
-#define ENSURE_VALID_STATE \
- if (g->state[g->depth] == yajl_gen_error) { \
- return yajl_gen_in_error_state;\
- } else if (g->state[g->depth] == yajl_gen_complete) { \
- return yajl_gen_generation_complete; \
- }
-
-#define INCREMENT_DEPTH \
- if (++(g->depth) >= YAJL_MAX_DEPTH) return yajl_max_depth_exceeded;
-
-#define APPENDED_ATOM \
- switch (g->state[g->depth]) { \
- case yajl_gen_start: \
- g->state[g->depth] = yajl_gen_complete; \
- break; \
- case yajl_gen_map_start: \
- case yajl_gen_map_key: \
- g->state[g->depth] = yajl_gen_map_val; \
- break; \
- case yajl_gen_array_start: \
- g->state[g->depth] = yajl_gen_in_array; \
- break; \
- case yajl_gen_map_val: \
- g->state[g->depth] = yajl_gen_map_key; \
- break; \
- default: \
- break; \
- } \
-
-#define FINAL_NEWLINE \
- if (g->pretty && g->state[g->depth] == yajl_gen_complete) \
- yajl_buf_append(g->buf, "\n", 1);
-
-yajl_gen_status
-yajl_gen_integer(yajl_gen g, long int number)
-{
- char i[32];
- ENSURE_VALID_STATE; ENSURE_NOT_KEY; INSERT_SEP; INSERT_WHITESPACE;
- sprintf(i, "%ld", number);
- yajl_buf_append(g->buf, i, strlen(i));
- APPENDED_ATOM;
- FINAL_NEWLINE;
- return yajl_gen_status_ok;
-}
-
-yajl_gen_status
-yajl_gen_double(yajl_gen g, double number)
-{
- char i[32];
- ENSURE_VALID_STATE; ENSURE_NOT_KEY; INSERT_SEP; INSERT_WHITESPACE;
- sprintf(i, "%g", number);
- yajl_buf_append(g->buf, i, strlen(i));
- APPENDED_ATOM;
- FINAL_NEWLINE;
- return yajl_gen_status_ok;
-}
-
-yajl_gen_status
-yajl_gen_number(yajl_gen g, const char * s, unsigned int l)
-{
- ENSURE_VALID_STATE; ENSURE_NOT_KEY; INSERT_SEP; INSERT_WHITESPACE;
- yajl_buf_append(g->buf, s, l);
- APPENDED_ATOM;
- FINAL_NEWLINE;
- return yajl_gen_status_ok;
-}
-
-yajl_gen_status
-yajl_gen_string(yajl_gen g, const unsigned char * str,
- unsigned int len)
-{
- ENSURE_VALID_STATE; INSERT_SEP; INSERT_WHITESPACE;
- yajl_buf_append(g->buf, "\"", 1);
- yajl_string_encode(g->buf, str, len);
- yajl_buf_append(g->buf, "\"", 1);
- APPENDED_ATOM;
- FINAL_NEWLINE;
- return yajl_gen_status_ok;
-}
-
-yajl_gen_status
-yajl_gen_null(yajl_gen g)
-{
- ENSURE_VALID_STATE; ENSURE_NOT_KEY; INSERT_SEP; INSERT_WHITESPACE;
- yajl_buf_append(g->buf, "null", strlen("null"));
- APPENDED_ATOM;
- FINAL_NEWLINE;
- return yajl_gen_status_ok;
-}
-
-yajl_gen_status
-yajl_gen_bool(yajl_gen g, int boolean)
-{
- const char * val = boolean ? "true" : "false";
-
- ENSURE_VALID_STATE; ENSURE_NOT_KEY; INSERT_SEP; INSERT_WHITESPACE;
- yajl_buf_append(g->buf, val, strlen(val));
- APPENDED_ATOM;
- FINAL_NEWLINE;
- return yajl_gen_status_ok;
-}
-
-yajl_gen_status
-yajl_gen_map_open(yajl_gen g)
-{
- ENSURE_VALID_STATE; ENSURE_NOT_KEY; INSERT_SEP; INSERT_WHITESPACE;
- INCREMENT_DEPTH;
-
- g->state[g->depth] = yajl_gen_map_start;
- yajl_buf_append(g->buf, "{", 1);
- if (g->pretty) yajl_buf_append(g->buf, "\n", 1);
- FINAL_NEWLINE;
- return yajl_gen_status_ok;
-}
-
-yajl_gen_status
-yajl_gen_map_close(yajl_gen g)
-{
- ENSURE_VALID_STATE;
- (g->depth)--;
- if (g->pretty) yajl_buf_append(g->buf, "\n", 1);
- APPENDED_ATOM;
- INSERT_WHITESPACE;
- yajl_buf_append(g->buf, "}", 1);
- FINAL_NEWLINE;
- return yajl_gen_status_ok;
-}
-
-yajl_gen_status
-yajl_gen_array_open(yajl_gen g)
-{
- ENSURE_VALID_STATE; ENSURE_NOT_KEY; INSERT_SEP; INSERT_WHITESPACE;
- INCREMENT_DEPTH;
- g->state[g->depth] = yajl_gen_array_start;
- yajl_buf_append(g->buf, "[", 1);
- if (g->pretty) yajl_buf_append(g->buf, "\n", 1);
- FINAL_NEWLINE;
- return yajl_gen_status_ok;
-}
-
-yajl_gen_status
-yajl_gen_array_close(yajl_gen g)
-{
- ENSURE_VALID_STATE;
- if (g->pretty) yajl_buf_append(g->buf, "\n", 1);
- (g->depth)--;
- APPENDED_ATOM;
- INSERT_WHITESPACE;
- yajl_buf_append(g->buf, "]", 1);
- FINAL_NEWLINE;
- return yajl_gen_status_ok;
-}
-
-yajl_gen_status
-yajl_gen_get_buf(yajl_gen g, const unsigned char ** buf,
- unsigned int * len)
-{
- *buf = yajl_buf_data(g->buf);
- *len = yajl_buf_len(g->buf);
- return yajl_gen_status_ok;
-}
-
-void
-yajl_gen_clear(yajl_gen g)
-{
- yajl_buf_clear(g->buf);
-}
projects / chaz / yoink / blobdiff