Function jgf_parse

tools/json-graph/src/jgflib.c:444–613

}

Graph jgf_parse(void)
{
  int ntokens;
  jsmntok_t *tokens = parse(&ntokens);

  /* Collect all information in internal graph data structure: */
  Graph graph = graph_create();

  if (debug)
    fprintf(stderr, "(D): Parsing the JSON-Graph...\n");

  /* token cursor: */
  jsmntok_t *token = tokens;

  /* input must be an object: */
  expect(token, JSMN_OBJECT); /* ^{ ... } */
  /* look for graph key: */
  token = lookfor_value_of_key(token, "graph");
  /* value must be an object: */
  expect(token, JSMN_OBJECT); /* { "graph": ^{ ... }} */
  int keys = token->size; /* this many keys */
  token++;
  /* Consider all keys of "graph" object: */
  while (keys--) {
    expect(token, JSMN_STRING); /* { "graph": { ^"?": ... }} */

    /* Handle predefined keys: */

    if (string_eq(token, "directed")) {
      /* FIXME: required */
      token++;
      expect_bool(token);
      graph->directed = (input[token->start] == 't');
      token++;
      continue;
    }

    if (string_eq(token, "version")) {
      /* FIXME: required and value "1.0" */
      token++;
      expect(token, JSMN_STRING);
      graph->version = token;
      token++;
      continue;
    }

    if (string_eq(token, "type")) {
      token++;
      expect(token, JSMN_STRING);
      graph->type = token;
      token++;
      continue;
    }

    if (string_eq(token, "root")) {
      token++;
      expect_nodeid(token);
      graph->root = token;