Function GraphEntity_ToString

src/graph/entities/graph_entity.c:130–216

}

void GraphEntity_ToString
(
	const GraphEntity *e,
	char **buffer,
	size_t *bufferLen,
	size_t *bytesWritten,
	GraphEntityStringFormat format,
	GraphEntityType entityType
) {
	// space allocation
	if(*bufferLen - *bytesWritten < 64)  {
		*bufferLen += 64;
		*buffer = rm_realloc(*buffer, sizeof(char) * *bufferLen);
	}

	// get open an close symbols
	char *openSymbole;
	char *closeSymbole;
	if(entityType == GETYPE_NODE) {
		openSymbole = "(";
		closeSymbole = ")";
	} else {
		openSymbole = "[";
		closeSymbole = "]";
	}
	*bytesWritten += snprintf(*buffer + *bytesWritten, *bufferLen, "%s", openSymbole);

	// write id
	if(format & ENTITY_ID) {
		*bytesWritten += snprintf(*buffer + *bytesWritten, *bufferLen, "%" PRIu64, ENTITY_GET_ID(e));
	}

	// write label
	if(format & ENTITY_LABELS_OR_RELATIONS) {
		switch(entityType) {
			case GETYPE_NODE: {
				Node *n = (Node *)e;
				GraphContext *gc = QueryCtx_GetGraphCtx();

				// retrieve node labels
				uint label_count;
				NODE_GET_LABELS(gc->g, n, label_count);
				for(uint i = 0; i < label_count; i ++) {
					Schema *s = GraphContext_GetSchemaByID(gc, i, SCHEMA_NODE);
					const char *name = Schema_GetName(s);

					// allocate space if needed
					size_t labelLen = strlen(name);
					if(*bufferLen - *bytesWritten < labelLen) {
						*bufferLen += labelLen;
						*buffer = rm_realloc(*buffer, sizeof(char) * *bufferLen);
					}
					*bytesWritten += snprintf(*buffer + *bytesWritten, *bufferLen, ":%s", name);
				}
				break;
			}

			case GETYPE_EDGE: {