From: sparky4 Date: Sun, 22 Mar 2015 20:22:36 +0000 (-0500) Subject: deleted: src/lib/jsmn/example/MAPTEST2.EXE X-Git-Url: http://4ch.mooo.com/gitweb/?a=commitdiff_plain;h=6ae028967d593073f3de5a6c6bcab8c78295ea62;p=16.git deleted: src/lib/jsmn/example/MAPTEST2.EXE modified: src/lib/jsmn/example/maptest2.c --- diff --git a/src/lib/jsmn/example/MAPTEST2.EXE b/src/lib/jsmn/example/MAPTEST2.EXE deleted file mode 100644 index 5773caa3..00000000 Binary files a/src/lib/jsmn/example/MAPTEST2.EXE and /dev/null differ diff --git a/src/lib/jsmn/example/maptest2.c b/src/lib/jsmn/example/maptest2.c index cde3f0df..018078ee 100644 --- a/src/lib/jsmn/example/maptest2.c +++ b/src/lib/jsmn/example/maptest2.c @@ -1,50 +1,28 @@ #include -#include #include -#include +#include #include "../jsmn.c" /* - * An example of reading JSON from stdin and printing its content to stdout. - * The output looks like YAML, but I'm not sure if it's really compatible. + * A small example of jsmn parsing when JSON structure is known and number of + * tokens is predictable. */ -static int dump(const char *js, jsmntok_t *t, size_t count, int indent) { - int i, j, k; - if (count == 0) { - return 0; - } - //what the fuck is going on here? - if (t->type == JSMN_PRIMITIVE) { - printf("%.*s", t->end - t->start, js+t->start); - printf("%s\n", js+t->start); - return 1; - } else if (t->type == JSMN_STRING) { - printf("'%.*s'", t->end - t->start, js+t->start); - return 1; - } else if (t->type == JSMN_OBJECT) { - printf("\n"); - j = 0; - for (i = 0; i < t->size; i++) { - for (k = 0; k < indent; k++) printf(" "); - j += dump(js, t+1+j, count-j, indent+1); - printf(": "); - j += dump(js, t+1+j, count-j, indent+1); - printf("\n"); - } - return j+1; - } else if (t->type == JSMN_ARRAY) { - j = 0; - printf("\n"); - for (i = 0; i < t->size; i++) { - for (k = 0; k < indent-1; k++) printf(" "); - printf(" - "); - j += dump(js, t+1+j, count-j, indent+1); - printf("\n"); - } - return j+1; - } - return 0; +/*char *JSON_S = + "{\"user\": \"johndoe\", \"admin\": false, \"uid\": 1000,\n " + "\"groups\": [\"users\", \"wheel\", \"audio\", \"video\"]}";*/ + +char *JSON_STRING; + +long int filesize(FILE *fp) +{ + long int save_pos, size_of_file; + + save_pos = ftell(fp); + fseek(fp, 0L, SEEK_END); + size_of_file = ftell(fp); + fseek(fp, save_pos, SEEK_SET); + return(size_of_file); } static int jsoneq(const char *json, jsmntok_t *tok, const char *s) { @@ -56,68 +34,77 @@ static int jsoneq(const char *json, jsmntok_t *tok, const char *s) { } int main() { - FILE *fh = fopen("../../../../data/test.map", "r"); + int i; int r; - int eof_expected = 0; - char *js = NULL; - size_t jslen = 0; - char buf[BUFSIZ]; - jsmn_parser p; - jsmntok_t *tok; + FILE *fh = fopen("../../../../data/test.map", "r"); + jsmntok_t *t; /* We expect no more than 128 tokens */ size_t tokcount = 2; + /* Allocate some tokens as a start */ + t = malloc(sizeof(*t) * tokcount); + char JSON_S[BUFSIZ]; + memset(JSON_S, 0, sizeof(JSON_S)); + + if(fh != NULL) + { + fread(JSON_S, sizeof(char), filesize(fh), fh); + // we can now close the file + //printf("]%s[\n", JSON_S); + JSON_STRING=JSON_S; + //printf("[[%s]]\n", JSON_STRING); - /* Prepare parser */ jsmn_init(&p); + r = jsmn_parse(&p, JSON_STRING, filesize(fh), t, sizeof(t)/sizeof(t[0])); + fclose(fh); fh = NULL; + printf("%s", JSON_STRING); + if (r < 0) { + printf("Failed to parse JSON: %d\n", r); + return 1; + } - /* Allocate some tokens as a start */ - tok = malloc(sizeof(*tok) * tokcount); - if (tok == NULL) { - fprintf(stderr, "malloc(): errno=%d\n", errno); - return 3; + /* Assume the top-level element is an object */ + if (r < 1 || t[0].type != JSMN_OBJECT) { + printf("Object expected\n"); + return 1; } - for (;;) { - /* Read another chunk */ - r = fread(buf, 1, sizeof(buf), fh); - if (r < 0) { - fprintf(stderr, "fread(): %d, errno=%d\n", r, errno); - return 1; - } - if (r == 0) { - if (eof_expected != 0) { - return 0; - } else { - fprintf(stderr, "fread(): unexpected EOF\n"); - return 2; + /* Loop over all keys of the root object */ + for (i = 1; i < r; i++) { + if (jsoneq(JSON_STRING, &t[i], "image") == 0) { + /* We may use strndup() to fetch string value */ + printf("- image: %.*s\n", t[i+1].end-t[i+1].start, + JSON_STRING + t[i+1].start); + i++; + } else if (jsoneq(JSON_STRING, &t[i], "admin") == 0) { + /* We may additionally check if the value is either "true" or "false" */ + printf("- Admin: %.*s\n", t[i+1].end-t[i+1].start, + JSON_STRING + t[i+1].start); + i++; + } else if (jsoneq(JSON_STRING, &t[i], "uid") == 0) { + /* We may want to do strtol() here to get numeric value */ + printf("- UID: %.*s\n", t[i+1].end-t[i+1].start, + JSON_STRING + t[i+1].start); + i++; + } else if (jsoneq(JSON_STRING, &t[i], "tilesets") == 0) { + int j; + printf("- tilesets:\n"); + if (t[i+1].type != JSMN_ARRAY) { + continue; /* We expect groups to be an array of strings */ } - } - - js = realloc(js, jslen + r + 1); - if (js == NULL) { - fprintf(stderr, "realloc(): errno=%d\n", errno); - return 3; - } - strncpy(js + jslen, buf, r); - jslen = jslen + r; - -again: - r = jsmn_parse(&p, js, jslen, tok, tokcount); - if (r < 0) { - if (r == JSMN_ERROR_NOMEM) { - tokcount = tokcount * 2; - tok = realloc(tok, sizeof(*tok) * tokcount); - if (tok == NULL) { - fprintf(stderr, "realloc(): errno=%d\n", errno); - return 3; - } - goto again; + for (j = 0; j < t[i+1].size; j++) { + jsmntok_t *g = &t[i+j+2]; + printf(" * %.*s\n", g->end - g->start, JSON_STRING + g->start); } + i += t[i+1].size + 1; } else { - dump(js, tok, p.toknext, 0); - eof_expected = 1; + printf("Unexpected key: %.*s\n", t[i].end-t[i].start, + JSON_STRING + t[i].start); } } + //free(JSON_STRING); + } + if (fh != NULL) fclose(fh); + ////} return 0; }