@ -1,95 +1,144 @@
# include "settings.hpp"
# include <stdexcept>
# include <boost/filesystem/path.hpp>
# include <boost/filesystem/fstream.hpp>
# include <OgreResourceGroupManager.h>
# include <OgreStringConverter.h>
# include <OgreDataStream.h>
# include < components/files/constrainedfiledata stream.hpp>
using namespace Settings ;
# include < boost/filesystem/f stream.hpp>
# include <boost/filesystem/path.hpp>
# include <boost/algorithm/string.hpp>
namespace bfs = boost : : filesystem ;
namespace Settings
{
Ogre: : ConfigFile Manager : : mFile = Ogre : : ConfigFile ( ) ;
Ogre: : ConfigFile Manager : : mDefaultFile = Ogre : : ConfigFile ( ) ;
CategorySettingValueMap Manager : : mDefaultSettings = CategorySettingValueMap ( ) ;
CategorySettingValueMap Manager : : mUserSettings = CategorySettingValueMap ( ) ;
CategorySettingVector Manager : : mChangedSettings = CategorySettingVector ( ) ;
CategorySettingValueMap Manager : : mNewSettings = CategorySettingValueMap ( ) ;
void Manager : : loadUser ( const std : : string & file )
{
Ogre : : DataStreamPtr stream = openConstrainedFileDataStream ( file . c_str ( ) ) ;
mFile . load ( stream ) ;
}
void Manager : : loadDefault ( const std : : string & file )
{
Ogre : : DataStreamPtr stream = openConstrainedFileDataStream ( file . c_str ( ) ) ;
mDefaultFile . load ( stream ) ;
}
void Manager : : saveUser ( const std : : string & file )
class SettingsFileParser
{
bfs : : ofstream fout ( ( bfs : : path ( file ) ) ) ;
public :
SettingsFileParser ( ) : mLine ( 0 ) { }
Ogre : : ConfigFile : : SectionIterator seci = mFile . getSectionIterator ( ) ;
while ( seci . hasMoreElements ( ) )
void loadSettingsFile ( const std : : string & file , CategorySettingValueMap & settings )
{
Ogre : : String sectionName = seci . peekNextKey ( ) ;
mFile = file ;
boost : : filesystem : : ifstream stream ;
stream . open ( boost : : filesystem : : path ( file ) ) ;
std : : string currentCategory ;
mLine = 0 ;
while ( ! stream . eof ( ) & & ! stream . fail ( ) )
{
+ + mLine ;
std : : string line ;
std : : getline ( stream , line ) ;
if ( sectionName . length ( ) > 0 )
fout < < ' \n ' < < ' [ ' < < seci . peekNextKey ( ) < < ' ] ' < < ' \n ' ;
size_t i = 0 ;
if ( ! skipWhiteSpace ( i , line ) )
continue ;
Ogre : : ConfigFile : : SettingsMultiMap * settings = seci . getNext ( ) ;
Ogre : : ConfigFile : : SettingsMultiMap : : iterator i ;
for ( i = settings - > begin ( ) ; i ! = settings - > end ( ) ; + + i )
{
fout < < i - > first . c_str ( ) < < " = " < < i - > second . c_str ( ) < < ' \n ' ;
}
if ( line [ i ] = = ' # ' ) // skip comment
continue ;
CategorySettingValueMap : : iterator it = mNewSettings . begin ( ) ;
while ( it ! = mNewSettings . end ( ) )
{
if ( it - > first . first = = sectionName )
if ( line [ i ] = = ' [ ' )
{
fout < < it - > first . second < < " = " < < it - > second < < ' \n ' ;
mNewSettings . erase ( it + + ) ;
size_t end = line . find ( ' ] ' , i ) ;
if ( end = = std : : string : : npos )
fail ( " unterminated category " ) ;
currentCategory = line . substr ( i + 1 , end - ( i + 1 ) ) ;
boost : : algorithm : : trim ( currentCategory ) ;
i = end + 1 ;
}
else
+ + it ;
if ( ! skipWhiteSpace ( i , line ) )
continue ;
if ( currentCategory . empty ( ) )
fail ( " empty category name " ) ;
size_t settingEnd = line . find ( ' = ' , i ) ;
if ( settingEnd = = std : : string : : npos )
fail ( " unterminated setting name " ) ;
std : : string setting = line . substr ( i , ( settingEnd - i ) ) ;
boost : : algorithm : : trim ( setting ) ;
size_t valueBegin = settingEnd + 1 ;
std : : string value = line . substr ( valueBegin ) ;
boost : : algorithm : : trim ( value ) ;
if ( settings . insert ( std : : make_pair ( std : : make_pair ( currentCategory , setting ) , value ) ) . second = = false )
fail ( std : : string ( " duplicate setting: [ " + currentCategory + " ] " + setting ) ) ;
}
}
std : : string category = " " ;
for ( CategorySettingValueMap : : iterator it = mNewSettings . begin ( ) ;
it ! = mNewSettings . end ( ) ; + + it )
private :
/// Increment i until it longer points to a whitespace character
/// in the string or has reached the end of the string.
/// @return false if we have reached the end of the string
bool skipWhiteSpace ( size_t & i , std : : string & str )
{
if ( category ! = it - > first . first )
while ( i < str . size ( ) & & std : : isspace ( str [ i ] , std : : locale : : classic ( ) ) )
{
category = it - > first . first ;
fout < < ' \n ' < < ' [ ' < < category < < ' ] ' < < ' \n ' ;
+ + i ;
}
fout < < it - > first . second < < " = " < < it - > second < < ' \n ' ;
return i < str . size ( ) ;
}
fout . close ( ) ;
void fail ( const std : : string & message )
{
std : : stringstream error ;
error < < " Error on line " < < mLine < < " in " < < mFile < < " : \n " < < message ;
throw std : : runtime_error ( error . str ( ) ) ;
}
std : : string mFile ;
int mLine ;
} ;
void Manager : : loadDefault ( const std : : string & file )
{
SettingsFileParser parser ;
parser . loadSettingsFile ( file , mDefaultSettings ) ;
}
std : : string Manager : : getString ( const std : : string & setting , const std : : string & category )
void Manager : : loadUser ( const std : : string & file )
{
if ( mNewSettings . find ( std : : make_pair ( category , setting ) ) ! = mNewSettings . end ( ) )
return mNewSettings [ std : : make_pair ( category , setting ) ] ;
SettingsFileParser parser ;
parser . loadSettingsFile ( file , mUserSettings ) ;
}
void Manager : : saveUser ( const std : : string & file )
{
boost : : filesystem : : ofstream stream ;
stream . open ( boost : : filesystem : : path ( file ) ) ;
std : : string currentCategory ;
for ( CategorySettingValueMap : : iterator it = mUserSettings . begin ( ) ; it ! = mUserSettings . end ( ) ; + + it )
{
if ( it - > first . first ! = currentCategory )
{
currentCategory = it - > first . first ;
stream < < " \n [ " < < currentCategory < < " ] \n " ;
}
stream < < it - > first . second < < " = " < < it - > second < < " \n " ;
}
}
std : : string Manager : : getString ( const std : : string & setting , const std : : string & category )
{
CategorySettingValueMap : : key_type key = std : : make_pair ( category , setting ) ;
CategorySettingValueMap : : iterator it = mUserSettings . find ( key ) ;
if ( it ! = mUserSettings . end ( ) )
return it - > second ;
std : : string defaultval = mDefaultFile . getSetting ( setting , category , " NOTFOUND " ) ;
std : : string val = mFile . getSetting ( setting , category , defaultval ) ;
it = mDefaultSettings . find ( key ) ;
if ( it ! = mDefaultSettings . end ( ) )
return it - > second ;
if ( val = = " NOTFOUND " )
throw std : : runtime_error ( " Trying to retrieve a non-existing setting: " + setting + " Make sure the settings-default.cfg file was properly installed. " ) ;
return val ;
throw std : : runtime_error ( std : : string ( " Trying to retrieve a non-existing setting: " ) + setting
+ " . \n Make sure the settings-default.cfg file file was properly installed. " ) ;
}
float Manager : : getFloat ( const std : : string & setting , const std : : string & category )
@ -107,51 +156,20 @@ bool Manager::getBool (const std::string& setting, const std::string& category)
return Ogre : : StringConverter : : parseBool ( getString ( setting , category ) ) ;
}
void Manager : : setString ( const std : : string & setting , const std : : string & category , const std : : string & value )
void Manager : : setString ( const std : : string & setting , const std : : string & category , const std : : string & value )
{
CategorySetting s = std : : make_pair ( category , setting ) ;
CategorySetting ValueMap: : key_type key = std : : make_pair ( category , setting ) ;
bool found = false ;
try
CategorySettingValueMap : : iterator found = mUserSettings . find ( key ) ;
if ( found ! = mUserSettings . end ( ) )
{
Ogre : : ConfigFile : : SettingsIterator it = mFile . getSettingsIterator ( category ) ;
while ( it . hasMoreElements ( ) )
{
Ogre : : ConfigFile : : SettingsMultiMap : : iterator i = it . current ( ) ;
if ( ( * i ) . first = = setting )
{
if ( ( * i ) . second ! = value )
{
mChangedSettings . push_back ( std : : make_pair ( category , setting ) ) ;
( * i ) . second = value ;
}
found = true ;
}
it . getNext ( ) ;
}
if ( found - > second = = value )
return ;
}
catch ( Ogre : : Exception & )
{ }
if ( ! found )
{
if ( mNewSettings . find ( s ) ! = mNewSettings . end ( ) )
{
if ( mNewSettings [ s ] ! = value )
{
mChangedSettings . push_back ( std : : make_pair ( category , setting ) ) ;
mNewSettings [ s ] = value ;
}
}
else
{
if ( mDefaultFile . getSetting ( setting , category ) ! = value )
mChangedSettings . push_back ( std : : make_pair ( category , setting ) ) ;
mNewSettings [ s ] = value ;
}
}
mUserSettings [ key ] = value ;
mChangedSettings . insert ( key ) ;
}
void Manager : : setInt ( const std : : string & setting , const std : : string & category , const int value )
@ -159,12 +177,12 @@ void Manager::setInt (const std::string& setting, const std::string& category, c
setString ( setting , category , Ogre : : StringConverter : : toString ( value ) ) ;
}
void Manager : : setFloat ( const std : : string & setting , const std : : string & category , const float value )
void Manager : : setFloat ( const std : : string & setting , const std : : string & category , const float value )
{
setString ( setting , category , Ogre : : StringConverter : : toString ( value ) ) ;
}
void Manager : : setBool ( const std : : string & setting , const std : : string & category , const bool value )
void Manager : : setBool ( const std : : string & setting , const std : : string & category , const bool value )
{
setString ( setting , category , Ogre : : StringConverter : : toString ( value ) ) ;
}
@ -175,3 +193,5 @@ const CategorySettingVector Manager::apply()
mChangedSettings . clear ( ) ;
return vec ;
}
}
Marc Zinnschlag
10 years ago