/* * regexranges.cpp * * Created on: Apr 11, 2009 * Author: Lorenzo Bettini , (C) 2008 * Copyright: See COPYING file that comes with this distribution */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "regexranges.h" namespace srchilite { RegexRanges::RegexRanges() : currentRegex(0) { } RegexRanges::~RegexRanges() { } bool RegexRanges::addRegexRange(const std::string &s) { try { ranges.push_back(boost::regex(s)); } catch (boost::regex_error &e) { return false; } return true; } const boost::regex *RegexRanges::matches(const std::string &line) { for (RegexRangesType::const_iterator it = ranges.begin(); it != ranges.end(); ++it) { if (boost::regex_search(line, *it)) { return &(*it); } } return 0; } bool RegexRanges::isInRange(const std::string &line) { // if the current regular expression is null, then we still // haven't found the starting of the range if (!currentRegex) { currentRegex = matches(line); // note that even if we found a matching regular expression, // the delimiters of the range must not be considered return false; } else { // we're already inside a range, and to find the end of it // we must match the current regex if (boost::regex_search(line, *currentRegex)) { // ok we found the end of the range // so first, reset current regular expression currentRegex = 0; return false; } } // if we're here, we're still in range return true; } }