pd.if.org Git - json/blob - filter.c

   1 #include <stdio.h>
   2
   3 #include "scan.h"
   4 #include "json.h"
   5 #include "filter.h"
   6
   7 void *jsonp_alloc(void *(*mallocProc)(size_t));
   8 void jsonp_parse(void *parser, int token, struct token tokentype, struct parser *);
   9 void jsonp_free(void *p, void (*freeProc)(void*));
  10 void jsonp_trace(FILE *out, char *prompt);
  11
  12 int main(void) {
  13         char line[1024];
  14         char *in = 0;
  15         struct token t = {0};
  16         struct parser state = {0};
  17         void *jp = 0;
  18         int ttype;
  19
  20         jp = jsonp_alloc(malloc);
  21
  22         line[0] = 0;
  23
  24         //jsonp_trace(stdout, "trace: ");
  25         while (fgets(line, sizeof line, stdin)) {
  26                 state.line = line;
  27                 for (in = line; *in; in++) {
  28                         t.ch = *in;
  29                         if (*in == '\n') {
  30                                 state.line++;
  31                                 state.pos = 0;
  32                         }
  33                         state.pos++;
  34                         while (t.ch) {
  35                                 ttype = scan_json_ch(*in, &t);
  36                                 if (t.error) {
  37                                         printf("scanning error\n");
  38                                         exit(EXIT_FAILURE);
  39                                 }
  40                                 if (ttype) {
  41                                         t.str[t.len] = 0;
  42                                         //printf("feeding %d\n", ttype);
  43                                         jsonp_parse(jp, ttype, t, &state);
  44                                         t.type = 0;
  45                                 }
  46                         }
  47                 }
  48         }
  49         ttype = scan_json_ch(0, &t);
  50         if (ttype) {
  51                 t.str[t.len] = 0;
  52                 jsonp_parse(jp, ttype, t, &state);
  53                 t.type = 0;
  54         }
  55         jsonp_parse(jp, 0, t, &state);
  56         jsonp_free(jp, free);
  57         return 0;
  58 }