125 lines
2.9 KiB
Plaintext
125 lines
2.9 KiB
Plaintext
/*
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* Copyright (C) 2010-2013 Leandro Nini
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "iniParser.h"
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#include "sidcxx11.h"
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#include <fstream>
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namespace libsidplayfp
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{
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std::string iniParser::parseSection(const std::string &buffer)
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{
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const size_t pos = buffer.find(']');
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if (pos == std::string::npos)
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{
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throw parseError();
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}
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return buffer.substr(1, pos-1);
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}
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std::pair<std::string, std::string> iniParser::parseKey(const std::string &buffer)
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{
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const size_t pos = buffer.find('=');
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if (pos == std::string::npos)
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{
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throw parseError();
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}
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const std::string key = buffer.substr(0, buffer.find_last_not_of(' ', pos-1) + 1);
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const std::string value = buffer.substr(pos + 1);
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return make_pair(key, value);
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}
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bool iniParser::open(const char *fName)
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{
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std::ifstream iniFile(fName);
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if (iniFile.fail())
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{
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return false;
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}
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sections_t::iterator mIt;
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while (iniFile.good())
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{
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std::string buffer;
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getline(iniFile, buffer);
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if (buffer.empty())
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continue;
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switch (buffer.at(0))
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{
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case ';':
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case '#':
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// skip comments
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break;
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case '[':
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{
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try
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{
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const std::string section = parseSection(buffer);
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const keys_t keys;
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std::pair<sections_t::iterator, bool> it = sections.insert(make_pair(section, keys));
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mIt = it.first;
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}
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catch (parseError const &) {};
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}
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break;
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default:
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try
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{
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(*mIt).second.insert(parseKey(buffer));
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}
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catch (parseError const &) {};
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break;
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}
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}
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return true;
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}
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void iniParser::close()
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{
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sections.clear();
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}
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bool iniParser::setSection(const char *section)
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{
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curSection = sections.find(std::string(section));
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return (curSection != sections.end());
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}
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const char *iniParser::getValue(const char *key)
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{
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keys_t::const_iterator keyIt = (*curSection).second.find(std::string(key));
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return (keyIt != (*curSection).second.end()) ? keyIt->second.c_str() : nullptr;
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}
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}
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