114 lines
2.4 KiB
C++
114 lines
2.4 KiB
C++
#include "iniconfig.h"
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#include <algorithm>
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std::string toLowerCase(const std::string& str)
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{
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std::string lower = str;
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std::transform(lower.begin(), lower.end(), lower.begin(), ::tolower);
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return lower;
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}
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std::string trim(const std::string& str, const std::string& chars = "\t\n\v\f\r ")
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{
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std::string trimmed = str;
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trimmed.erase(trimmed.find_last_not_of(chars) + 1);
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trimmed.erase(0, trimmed.find_first_not_of(chars));
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return trimmed;
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}
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INIConfiguration::Section::Section (const std::string& sname) : m_Name (sname), m_PropertyMap()
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{
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}
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bool INIConfiguration::Section::getStringProperty (const std::string& name, std::string& outPropStr) const
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{
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try
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{
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outPropStr = m_PropertyMap.at(toLowerCase(name)).m_Value;
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return true;
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}
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catch (std::out_of_range& oorexcept)
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{
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return false;
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}
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}
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bool INIConfiguration::load (std::istream& is)
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{
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if (!is.good())
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{
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return false;
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}
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std::string currSectionName;
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std::string line;
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std::getline (is, line);
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while (!is.eof() && !is.bad())
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{
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if (line[0] == '[')
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{
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currSectionName = line.substr (1, line.find_last_of (']') - 1);
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}
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else if (line[0] != '#' && line.length() > 2)
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{
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int crloc = line.length() - 1;
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if (crloc >= 0 && line[crloc] == '\r') //check for Windows-style newline
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line.resize (crloc); //and correct
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size_t equalsPos = line.find_first_of ("=");
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if (equalsPos != std::string::npos)
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{
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std::string key = line.substr (0, equalsPos);
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std::string val = line.substr (equalsPos + 1);
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addProperty (currSectionName, key , val);
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}
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}
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std::getline (is, line);
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}
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if (is.bad())
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{
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return false;
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}
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return true;
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}
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std::string INIConfiguration::getStringProperty(const std::string& sname, const std::string& name, const std::string& def) const
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{
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auto sectionIt = m_SectionMap.find(toLowerCase(sname));
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if (sectionIt != m_SectionMap.end())
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{
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std::string prop;
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if(sectionIt->second.getStringProperty(name, prop))
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{
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return prop;
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}
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}
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return def;
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}
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void INIConfiguration::addProperty (const std::string& sname, const std::string& name, const std::string& val)
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{
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if (m_SectionMap.find (toLowerCase(sname)) == m_SectionMap.end())
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{
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m_SectionMap.emplace (toLowerCase(sname), Section (sname));
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}
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Section::Property p;
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p.m_Name = trim(name);
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p.m_Value = trim(val);
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m_SectionMap.at (toLowerCase(sname)).m_PropertyMap[toLowerCase(p.m_Name)] = p;
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}
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