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This commit is contained in:
romkazvo
284
ResourceCompiler/CfgFile.cpp
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284
ResourceCompiler/CfgFile.cpp
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////////////////////////////////////////////////////////////////////////////
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//
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// Crytek Engine Source File.
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// Copyright (C), Crytek Studios, 2002.
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// -------------------------------------------------------------------------
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// File name: cfgfile.cpp
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// Version: v1.00
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// Created: 4/11/2002 by Timur.
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// Compilers: Visual Studio.NET
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// Description:
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// -------------------------------------------------------------------------
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// History:
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//
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////////////////////////////////////////////////////////////////////////////
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//
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// Configuration file class.
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// Use format similar to windows .ini files.
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//
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#include "StdAfx.h"
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#include "cfgfile.h"
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#include "Config.h"
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#include "DebugLog.h"
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//#define Log DebugLog
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#define Log while (false)
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///////////////////////////////////////////////////////////////////////////////
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//
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// Class CfgFile implementation.
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//
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///////////////////////////////////////////////////////////////////////////////
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CfgFile::CfgFile()
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{
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// Create IsEmpty section.
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Section section;
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section.name = "";
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m_sections.push_back( section );
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m_modified = false;
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}
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CfgFile::CfgFile( const CString &fileName )
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{
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// Create IsEmpty section.
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Section section;
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section.name = "";
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m_sections.push_back( section );
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m_modified = false;
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Load( fileName );
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}
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CfgFile::CfgFile( const char *buf,int bufSize ) {
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// Create IsEmpty section.
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Section section;
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section.name = "";
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m_sections.push_back( section );
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m_modified = false;
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LoadBuf( buf,bufSize );
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}
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CfgFile::~CfgFile()
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{
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}
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//!
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void CfgFile::SetFileName( const CString &fileName )
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{
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m_fileName = fileName;
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}
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// Load configuration file.
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bool CfgFile::Load( const CString &fileName )
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{
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m_fileName = fileName;
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m_modified = false;
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FILE *file = fopen( fileName.GetString(),"rb" );
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if (!file)
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{
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char szCWD[0x400];
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getcwd(szCWD, sizeof(szCWD));
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Log ("Can't open \"%s\"", fileName.GetString());
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Log ("CWD=%s", szCWD);
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return false;
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}
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fseek( file,0,SEEK_END );
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int size = ftell(file);
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fseek( file,0,SEEK_SET );
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// Read whole file to memory.
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char *s = (char*)malloc( size+1 );
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memset( s,0,size+1 );
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fread( s,1,size,file );
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LoadBuf( s,size );
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free(s);
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fclose(file);
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return true;
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}
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// Save configuration file, with the stored name in m_fileName
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bool CfgFile::Save( void )
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{
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FILE *file = fopen(m_fileName.GetBuffer(),"wb");
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if(!file)
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return(false);
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// Loop on sections.
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for (std::vector<Section>::iterator si = m_sections.begin(); si != m_sections.end(); si++)
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{
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Section &sec =*si;
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if(sec.name!="")
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fprintf(file,"[%s]\r\n",sec.name); // section
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for (std::list<Entry>::iterator it = sec.entries.begin(); it != sec.entries.end(); ++it)
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{
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if((*it).key=="")
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fprintf(file,"%s\r\n",(*it).value.GetBuffer()); // comment
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else
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fprintf(file,"%s=%s\r\n",(*it).key.GetBuffer(),(*it).value.GetBuffer()); // key=value
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}
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}
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fclose(file);
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return(true);
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}
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void CfgFile::UpdateOrCreateEntry( const char *inszSection, const char *inszKey, const char *inszValue )
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{
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Section *sec = FindSection( inszSection ); assert(sec);
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for(std::list<Entry>::iterator it = sec->entries.begin(); it != sec->entries.end(); ++it)
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{
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if(stricmp(it->key.GetString(),inszKey) == 0) // Key found
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if(!it->IsComment()) // update key
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{
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if(it->value==inszValue)
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return;
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it->value=inszValue;
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m_modified=true;
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return;
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}
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}
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// Create new key
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Entry entry;
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entry.key = inszKey;
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entry.value = inszValue;
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sec->entries.push_back(entry);
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m_modified=true;
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}
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void CfgFile::LoadBuf( const char *buf,size_t bufSize )
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{
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// Read entries from config CString buffer.
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Section *curr_section = &m_sections.front(); // Empty section.
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const char *s = buf;
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size_t size = bufSize;
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CString ss = s;
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char str[4096];
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size_t i = 0;
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while (i < size)
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{
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// while (j < size && s[j] != '\n') j++;
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sscanf( &s[i],"%[^\n]s",str );
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Log ("Parsing line: \"%s\"", str);
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i+=strlen(str);
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if(s[i]==10)i++;
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bool bComment=false;
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// Is comment?
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Entry entry;
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entry.key = "";
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entry.value = str;
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bComment=entry.IsComment();
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if (bComment)
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Log ("It's a comment");
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// Analyze entry CString, split on key and value and store in lists.
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CString entrystr = str;
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if(!bComment)
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entrystr.Trim();
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if(bComment || entrystr.IsEmpty())
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{
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Log ("Empty!");
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// Add this comment to current section.
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curr_section->entries.push_back( entry );
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continue;
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}
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{
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int splitter = entrystr.Find( '=' );
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Log ("found splitter at %d", splitter);
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if (splitter > 0)
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{
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// Key found.
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entry.key = entrystr.Mid( 0,splitter ); // Before spliter is key name.
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Log ("Key: %s", entry.key.GetString());
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entry.value = entrystr.Mid( splitter+1 ); // Everything after splittes is value CString.
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Log ("Value: %s", entry.value.GetString());
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entry.key.Trim();
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entry.value.Trim();
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Log ("Key: %s, Value: %s", entry.key.GetString(), entry.value.GetString());
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// Add this entry to current section.
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curr_section->entries.push_back( entry );
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}
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else
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{
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// If not key then probably section CString.
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if (entrystr[0] == '[' && entrystr[entrystr.GetLength()-1] == ']')
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{
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// World in bracets is section name.
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Section section;
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section.name = entrystr.Mid( 1,entrystr.GetLength()-2 ); // Remove bracets.
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Log ("Section! name: %s", section.name.GetString());
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m_sections.push_back( section );
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// Set current section.
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curr_section = &m_sections.back();
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}
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else
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{
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// Just IsEmpty key value.
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entry.key = "";
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entry.value = entrystr;
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curr_section->entries.push_back( entry );
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}
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}
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}
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}
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}
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//////////////////////////////////////////////////////////////////////////
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CfgFile::Section* CfgFile::FindSection( const CString §ion )
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{
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return &m_sections[Find(section.GetString())];
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}
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//////////////////////////////////////////////////////////////////////////
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bool CfgFile::SetConfig( const char *section, IConfig *config )
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{
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Section *sec = FindSection( section ); assert(sec);
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for (std::list<Entry>::iterator it = sec->entries.begin(); it != sec->entries.end(); ++it)
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{
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if(!(*it).IsComment())
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config->Set( (*it).key.GetString(),(*it).value.GetString() );
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}
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return true;
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}
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