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@ -5,11 +5,12 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <getopt.h>
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#include <errno.h>
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#include "jsmn.h"
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#define NUM_TOKENS 30
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static void jsmn_dump_obj(jsontok_t *obj, const char *js) {
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size_t len;
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@ -44,29 +45,56 @@ static void jsmn_dump_obj(jsontok_t *obj, const char *js) {
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free(s);
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}
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void usage(void) {
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fprintf(stderr, "Usage: ./demo <file.js>\n");
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exit(EXIT_SUCCESS);
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}
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int main(int argc, char *argv[]) {
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int i;
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int r;
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jsontok_t tokens[NUM_TOKENS];
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int c;
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jsontok_t *tokens;
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int num_tokens = 100;
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FILE *f;
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int filesize = 0;
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char *js = NULL;
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if (argc != 2) {
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fprintf(stderr, "Usage: ./demo <file.js>\n");
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exit(EXIT_SUCCESS);
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while ((c = getopt(argc, argv, "ht:")) != -1) {
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switch (c) {
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case 'h':
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usage();
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break;
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case 't':
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num_tokens = atoi(optarg);
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if (errno || num_tokens < 0) {
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fprintf(stderr, "Invalid token number: %s!\n", optarg);
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exit(EXIT_FAILURE);
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}
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break;
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}
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}
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if (strcmp(argv[1], "-") == 0) {
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if (optind >= argc) {
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usage();
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}
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if (strcmp(argv[optind], "-") == 0) {
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f = stdin;
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} else {
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f = fopen(argv[1], "r");
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f = fopen(argv[optind], "r");
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if (f == NULL) {
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fprintf(stderr, "Failed to open file `%s`\n", argv[1]);
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exit(EXIT_FAILURE);
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}
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}
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tokens = malloc(num_tokens * sizeof(jsontok_t));
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if (tokens == NULL) {
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fprintf(stderr, "Cannot allocate anough memory\n");
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exit(EXIT_FAILURE);
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}
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while (1) {
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char buf[BUFSIZ];
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r = fread(buf, 1, BUFSIZ, f);
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@ -86,15 +114,14 @@ int main(int argc, char *argv[]) {
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fclose(f);
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jsmn_parser parser;
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jsmn_init_parser(&parser, js, tokens, NUM_TOKENS);
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jsmn_init_parser(&parser, js, tokens, num_tokens);
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r = jsmn_parse(&parser);
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if (r < 0) {
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printf("error %d at pos %d: %s\n", r, parser.pos, &js[parser.pos]);
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}
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for (i = 0; i<NUM_TOKENS; i++) {
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for (i = 0; i<num_tokens; i++) {
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jsmn_dump_obj(&parser.tokens[i], js);
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}
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