C++ (Cpp) ClassAd::InsertFromFileの例

コード例 #1

ファイル: status.cpp プロジェクト: zjmeixinyanzhi/htcondor

static bool read_classad_file(const char *filename, ClassAdList &classads, const char * constr)
{
	bool success = false;

	FILE* file = safe_fopen_wrapper_follow(filename, "r");
	if (file == NULL) {
		fprintf(stderr, "Can't open file of job ads: %s\n", filename);
		return false;
	} else {
		CondorClassAdFileParseHelper parse_helper("\n");

		for (;;) {
			ClassAd* classad = new ClassAd();

			int error;
			bool is_eof;
			int cAttrs = classad->InsertFromFile(file, is_eof, error, &parse_helper);

			bool include_classad = cAttrs > 0 && error >= 0;
			if (include_classad && constr) {
				classad::Value val;
				if (classad->EvaluateExpr(constr,val)) {
					if ( ! val.IsBooleanValueEquiv(include_classad)) {
						include_classad = false;
					}
				}
			}
			if (include_classad) {
				classads.Insert(classad);
			} else {
				delete classad;
			}

			if (is_eof) {
				success = true;
				break;
			}
			if (error < 0) {
				success = false;
				break;
			}
		}

		fclose(file);
	}
	return success;
}