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			177 lines
		
	
	
	
		
			5.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			177 lines
		
	
	
	
		
			5.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#include "settings.hpp"
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#include <stdexcept>
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#include <boost/filesystem/path.hpp>
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#include <boost/filesystem/fstream.hpp>
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#include <OgreResourceGroupManager.h>
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#include <OgreStringConverter.h>
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#include <OgreDataStream.h>
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#include <components/files/constrainedfiledatastream.hpp>
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using namespace Settings;
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namespace bfs = boost::filesystem;
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Ogre::ConfigFile Manager::mFile = Ogre::ConfigFile();
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Ogre::ConfigFile Manager::mDefaultFile = Ogre::ConfigFile();
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CategorySettingVector Manager::mChangedSettings = CategorySettingVector();
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CategorySettingValueMap Manager::mNewSettings = CategorySettingValueMap();
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void Manager::loadUser (const std::string& file)
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{
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    Ogre::DataStreamPtr stream = openConstrainedFileDataStream(file.c_str());
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    mFile.load(stream);
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}
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void Manager::loadDefault (const std::string& file)
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{
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    Ogre::DataStreamPtr stream = openConstrainedFileDataStream(file.c_str());
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    mDefaultFile.load(stream);
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}
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void Manager::saveUser(const std::string& file)
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{
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    bfs::ofstream fout((bfs::path(file)));
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    Ogre::ConfigFile::SectionIterator seci = mFile.getSectionIterator();
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    while (seci.hasMoreElements())
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    {
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        Ogre::String sectionName = seci.peekNextKey();
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        if (sectionName.length() > 0)
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            fout << '\n' << '[' << seci.peekNextKey() << ']' << '\n';
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        Ogre::ConfigFile::SettingsMultiMap *settings = seci.getNext();
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        Ogre::ConfigFile::SettingsMultiMap::iterator i;
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        for (i = settings->begin(); i != settings->end(); ++i)
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        {
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            fout << i->first.c_str() << " = " << i->second.c_str() << '\n';
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        }
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        CategorySettingValueMap::iterator it = mNewSettings.begin();
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        while (it != mNewSettings.end())
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        {
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            if (it->first.first == sectionName)
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            {
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                fout << it->first.second << " = " << it->second << '\n';
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                mNewSettings.erase(it++);
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            }
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            else
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                ++it;
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        }
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    }
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    std::string category = "";
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    for (CategorySettingValueMap::iterator it = mNewSettings.begin();
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            it != mNewSettings.end(); ++it)
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    {
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        if (category != it->first.first)
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        {
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            category = it->first.first;
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            fout << '\n' << '[' << category << ']' << '\n';
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        }
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        fout << it->first.second << " = " << it->second << '\n';
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    }
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    fout.close();
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}
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std::string Manager::getString (const std::string& setting, const std::string& category)
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{
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    if (mNewSettings.find(std::make_pair(category, setting)) != mNewSettings.end())
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        return mNewSettings[std::make_pair(category, setting)];
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    std::string defaultval = mDefaultFile.getSetting(setting, category, "NOTFOUND");
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    std::string val = mFile.getSetting(setting, category, defaultval);
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    if (val == "NOTFOUND")
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        throw std::runtime_error("Trying to retrieve a non-existing setting: " + setting + " Make sure the settings-default.cfg file was properly installed.");
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    return val;
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}
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float Manager::getFloat (const std::string& setting, const std::string& category)
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{
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    return Ogre::StringConverter::parseReal( getString(setting, category) );
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}
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int Manager::getInt (const std::string& setting, const std::string& category)
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{
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    return Ogre::StringConverter::parseInt( getString(setting, category) );
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}
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bool Manager::getBool (const std::string& setting, const std::string& category)
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{
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    return Ogre::StringConverter::parseBool( getString(setting, category) );
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}
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void Manager::setString (const std::string& setting, const std::string& category, const std::string& value)
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{
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    CategorySetting s = std::make_pair(category, setting);
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    bool found=false;
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    try
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    {
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        Ogre::ConfigFile::SettingsIterator it = mFile.getSettingsIterator(category);
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        while (it.hasMoreElements())
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        {
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            Ogre::ConfigFile::SettingsMultiMap::iterator i = it.current();
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            if ((*i).first == setting)
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            {
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                if ((*i).second != value)
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                {
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                    mChangedSettings.push_back(std::make_pair(category, setting));
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                    (*i).second = value;
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                }
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                found = true;
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            }
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            it.getNext();
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        }
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    }
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    catch (Ogre::Exception&)
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    {}
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    if (!found)
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    {
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        if (mNewSettings.find(s) != mNewSettings.end())
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        {
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            if (mNewSettings[s] != value)
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            {
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                mChangedSettings.push_back(std::make_pair(category, setting));
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                mNewSettings[s] = value;
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            }
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        }
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        else
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        {
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            if (mDefaultFile.getSetting(setting, category) != value)
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                mChangedSettings.push_back(std::make_pair(category, setting));
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            mNewSettings[s] = value;
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        }
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    }
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}
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void Manager::setInt (const std::string& setting, const std::string& category, const int value)
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{
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    setString(setting, category, Ogre::StringConverter::toString(value));
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}
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void Manager::setFloat (const std::string& setting, const std::string& category, const float value)
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{
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    setString(setting, category, Ogre::StringConverter::toString(value));
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}
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void Manager::setBool (const std::string& setting, const std::string& category, const bool value)
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{
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    setString(setting, category, Ogre::StringConverter::toString(value));
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}
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const CategorySettingVector Manager::apply()
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{
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    CategorySettingVector vec = mChangedSettings;
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    mChangedSettings.clear();
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    return vec;
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}
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