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Diffstat (limited to 'jcnf/yajl/json_reformat.c')
| -rw-r--r-- | jcnf/yajl/json_reformat.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/jcnf/yajl/json_reformat.c b/jcnf/yajl/json_reformat.c new file mode 100644 index 0000000..156a61b --- /dev/null +++ b/jcnf/yajl/json_reformat.c @@ -0,0 +1,204 @@ +/* + * Copyright 2007, 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_parse.h" +#include "yajl_gen.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +int reformat_null(void * ctx) +{ + yajl_gen g = (yajl_gen) ctx; + yajl_gen_null(g); + return 1; +} + +int reformat_boolean(void * ctx, int boolVal) +{ + yajl_gen g = (yajl_gen) ctx; + yajl_gen_bool(g, boolVal); + return 1; +} + +int reformat_integer(void * ctx, long long integerVal) +{ + yajl_gen g = (yajl_gen) ctx; + yajl_gen_integer(g, integerVal); + return 1; +} + +int reformat_double(void * ctx, double doubleVal) +{ + yajl_gen g = (yajl_gen) ctx; + yajl_gen_double(g, doubleVal); + return 1; +} + +int reformat_string(void * ctx, const unsigned char * stringVal, + unsigned int stringLen) +{ + yajl_gen g = (yajl_gen) ctx; + yajl_gen_string(g, stringVal, stringLen); + return 1; +} + +int reformat_map_key(void * ctx, const unsigned char * stringVal, + unsigned int stringLen) +{ + yajl_gen g = (yajl_gen) ctx; + yajl_gen_string(g, stringVal, stringLen); + return 1; +} + +int reformat_start_map(void * ctx) +{ + yajl_gen g = (yajl_gen) ctx; + yajl_gen_map_open(g); + return 1; +} + + +int reformat_end_map(void * ctx) +{ + yajl_gen g = (yajl_gen) ctx; + yajl_gen_map_close(g); + return 1; +} + +int reformat_start_array(void * ctx) +{ + yajl_gen g = (yajl_gen) ctx; + yajl_gen_array_open(g); + return 1; +} + +int reformat_end_array(void * ctx) +{ + yajl_gen g = (yajl_gen) ctx; + yajl_gen_array_close(g); + return 1; +} + +static yajl_callbacks callbacks = { + reformat_null, + reformat_boolean, + reformat_integer, + reformat_double, + reformat_string, + reformat_start_map, + reformat_map_key, + reformat_end_map, + reformat_start_array, + reformat_end_array +}; + +static void +usage(const char * progname) +{ + fprintf(stderr, "usage: %s <filename>\n" + " -m minimize json rather than beautify (default)\n" + " -u allow invalid UTF8 inside strings during parsing\n", + progname); + exit(1); + +} + +int +main(int argc, char ** argv) +{ + yajl_handle hand; + static unsigned char fileData[65536]; + /* generator config */ + yajl_gen_config conf = { 1, " " }; + yajl_gen g; + yajl_status stat; + size_t rd; + /* allow comments */ + yajl_parser_config cfg = { 1, 1 }; + + /* check arguments. We expect exactly one! */ + if (argc == 2) { + if (!strcmp("-m", argv[1])) { + conf.beautify = 0; + + } else if (!strcmp("-u", argv[1])) { + cfg.checkUTF8 = 0; + } else { + usage(argv[0]); + } + } else if (argc != 1) { + usage(argv[0]); + } + + g = yajl_gen_alloc(&conf); + + /* ok. open file. let's read and parse */ + hand = yajl_alloc(&callbacks, &cfg, (void *) g); + + for (;;) { + rd = fread((void *) fileData, 1, sizeof(fileData) - 1, stdin); + + if (rd == 0) { + if (feof(stdin)) { + break; + } else { + fprintf(stderr, "error on file read.\n"); + break; + } + } else { + fileData[rd] = 0; + + /* read file data, pass to parser */ + stat = yajl_parse(hand, fileData, rd); + if (stat != yajl_status_ok && + stat != yajl_status_insufficient_data) + { + unsigned char * str = yajl_get_error(hand, 1, fileData, rd); + fprintf(stderr, (const char *) str); + yajl_free_error(str); + } else { + const unsigned char * buf; + unsigned int len; + yajl_gen_get_buf(g, &buf, &len); + fwrite(buf, 1, len, stdout); + yajl_gen_clear(g); + } + } + } + + yajl_gen_free(g); + yajl_free(hand); + + return 0; +} |