C++ (Cpp) parse_section_line Examples

Example #1

File: hconfig_impl.cpp Project: DonghuaLau/hconfig

int  ConfigImpl::do_load(fstream& in_stream)
{
    int rv = 0;
    char c = 0;
    int limit = 0;

    _lr = new LineReader(in_stream);

    while (((limit = _lr->readline()) >= 0)
            &&(rv == 0))
    {
        c = _lr->_linebuf[0];
        switch(c)
        {
        case '[':
            rv = parse_section_line();
            break;

        case '#':
        case '!':
            rv =parse_comment_line();
            break;

        default:
            rv = parse_normal_line();
            break;
        }
    }

    delete _lr;
    _lr = NULL;

    return rv;
}

Example #2

File: config.c Project: HuangFeiFelix/linuxptp

int config_read(char *name, struct config *cfg)
{
	enum config_section current_section = UNKNOWN_SECTION;
	enum parser_result parser_res;
	FILE *fp;
	char buf[1024], *line, *c, *option, *value;
	int current_port, line_num;

	fp = 0 == strncmp(name, "-", 2) ? stdin : fopen(name, "r");

	if (!fp) {
		fprintf(stderr, "failed to open configuration file %s: %m\n", name);
		return -1;
	}

	for (line_num = 1; fgets(buf, sizeof(buf), fp); line_num++) {
		c = buf;

		/* skip whitespace characters */
		while (isspace(*c))
			c++;

		/* ignore empty lines and comments */
		if (*c == '#' || *c == '\n' || *c == '\0')
			continue;

		line = c;

		/* remove trailing whitespace characters and \n */
		c += strlen(line) - 1;
		while (c > line && (*c == '\n' || isspace(*c)))
			*c-- = '\0';

		if (parse_section_line(line, &current_section) == PARSED_OK) {
			if (current_section == PORT_SECTION) {
				char port[17];
				if (1 != sscanf(line, " %16s", port)) {
					fprintf(stderr, "could not parse port name on line %d\n",
							line_num);
					goto parse_error;
				}
				current_port = config_create_interface(port, cfg);
				if (current_port < 0)
					goto parse_error;
			}
			continue;
		}

		switch (current_section) {
		case GLOBAL_SECTION:
		case PORT_SECTION:
			if (parse_setting_line(line, &option, &value)) {
				fprintf(stderr, "could not parse line %d in %s section\n",
						line_num,
						current_section == GLOBAL_SECTION ?
							"global" : cfg->iface[current_port].name);
				goto parse_error;
			}

			if (current_section == GLOBAL_SECTION)
				parser_res = parse_global_setting(option, value, cfg);
			else
				parser_res = parse_port_setting(option, value, cfg, current_port);

			switch (parser_res) {
			case PARSED_OK:
				break;
			case NOT_PARSED:
				fprintf(stderr, "unknown option %s at line %d in %s section\n",
						option, line_num,
						current_section == GLOBAL_SECTION ?
							"global" : cfg->iface[current_port].name);
				goto parse_error;
			case BAD_VALUE:
				fprintf(stderr, "%s is a bad value for option %s at line %d\n",
						value, option, line_num);
				goto parse_error;
			}

			break;
		case UNKNOWN_SECTION:
			fprintf(stderr, "line %d is not in a section\n", line_num);
			goto parse_error;
		default:
			continue;
		}
	}

	fclose(fp);
	return 0;

parse_error:
	fprintf(stderr, "failed to parse configuration file %s\n", name);
	fclose(fp);
	return -2;
}