NTR_Launcher/arm9/source/inifile.cpp
ApacheThunder 02b267152a Cleaned up some code..
It almost compiles without any warnings now. Only fix left for it that
is to redo slot reset code. Original code is too much of a mess to
compile with the  "-Wall -Wextra -Werror" flag.

That flag has been added to makefile of arm9/bootloader. Once arm7 is
fixed it will be added there as well.
2017-02-24 16:53:36 -06:00

394 lines
8.8 KiB
C++

/*
inifile.cpp
Copyright (C) 2007 Acekard, www.acekard.com
Copyright (C) 2007-2009 somebody
Copyright (C) 2009 yellow wood goblin
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <cstdio>
#include <cstdlib>
#include "inifile.h"
static bool freadLine(FILE* f,std::string& str)
{
str.clear();
__read:
char p=0;
size_t readed=fread(&p,1,1,f);
if(0==readed)
{
str="";
return false;
}
if('\n'==p||'\r'==p)
{
str="";
return true;
}
while(p!='\n'&&p!='\r'&&readed)
{
str+=p;
readed=fread(&p,1,1,f);
}
if(str.empty()||""==str)
{
goto __read;
}
return true;
}
static void trimString(std::string& str)
{
size_t first=str.find_first_not_of(" \t"),last;
if(first==str.npos)
{
str="";
}
else
{
last=str.find_last_not_of(" \t");
if(first>0||(last+1)<str.length()) str=str.substr(first,last-first+1);
}
}
CIniFile::CIniFile()
{
m_bLastResult=false;
m_bModified=false;
m_bReadOnly=false;
}
CIniFile::CIniFile(const std::string& filename)
{
m_sFileName=filename;
m_bLastResult=false;
m_bModified=false;
m_bReadOnly=false;
LoadIniFile(m_sFileName);
}
CIniFile::~CIniFile()
{
if(m_FileContainer.size()>0)
{
m_FileContainer.clear();
}
}
void CIniFile::SetString(const std::string& Section,const std::string& Item,const std::string& Value)
{
if(GetFileString(Section,Item)!=Value)
{
SetFileString(Section,Item,Value);
m_bModified=true;
}
}
void CIniFile::SetInt(const std::string& Section,const std::string& Item,int Value)
{
char buf[16];
snprintf(buf, sizeof(buf), "%d", Value);
std::string strtemp(buf);
if(GetFileString(Section,Item)!=strtemp)
{
SetFileString(Section,Item,strtemp);
m_bModified=true;
}
}
std::string CIniFile::GetString(const std::string& Section,const std::string& Item)
{
return GetFileString(Section,Item);
}
std::string CIniFile::GetString(const std::string& Section,const std::string& Item,const std::string& DefaultValue)
{
std::string temp=GetString(Section,Item);
if(!m_bLastResult)
{
SetString(Section,Item,DefaultValue);
temp=DefaultValue;
}
return temp;
}
void CIniFile::GetStringVector(const std::string& Section,const std::string& Item,std::vector< std::string >& strings,char delimiter)
{
std::string strValue=GetFileString(Section,Item);
strings.clear();
size_t pos;
while((pos=strValue.find(delimiter),strValue.npos!=pos))
{
const std::string string=strValue.substr(0,pos);
if(string.length())
{
strings.push_back(string);
}
strValue=strValue.substr(pos+1,strValue.npos);
}
if(strValue.length())
{
strings.push_back(strValue);
}
}
void CIniFile::SetStringVector(const std::string& Section,const std::string& Item,std::vector<std::string>& strings,char delimiter)
{
std::string strValue;
for(size_t ii=0;ii<strings.size();++ii)
{
if(ii) strValue+=delimiter;
strValue+=strings[ii];
}
SetString(Section,Item,strValue);
}
int CIniFile::GetInt(const std::string& Section,const std::string& Item)
{
std::string value=GetFileString(Section,Item);
if(value.size()>2&&'0'==value[0]&&('x'==value[1]||'X'==value[1]))
return strtol(value.c_str(),NULL,16);
else
return strtol(value.c_str(),NULL,10);
}
int CIniFile::GetInt(const std::string& Section,const std::string& Item,int DefaultValue)
{
int temp;
temp=GetInt(Section,Item);
if(!m_bLastResult)
{
SetInt(Section,Item,DefaultValue);
temp=DefaultValue;
}
return temp;
}
bool CIniFile::LoadIniFile(const std::string& FileName)
{
//dbg_printf("load %s\n",FileName.c_str());
if(FileName!="") m_sFileName=FileName;
FILE* f=fopen(FileName.c_str(),"rb");
if(NULL==f) return false;
//check for utf8 bom.
char bom[3];
if(fread(bom,3,1,f)==1&&bom[0]==0xef&&bom[1]==0xbb&&bom[2]==0xbf) ;
else fseek(f,0,SEEK_SET);
std::string strline("");
m_FileContainer.clear();
while(freadLine(f,strline))
{
trimString(strline);
if(strline!=""&&';'!=strline[0]&&'/'!=strline[0]&&'!'!=strline[0]) m_FileContainer.push_back(strline);
}
fclose(f);
m_bLastResult=false;
m_bModified=false;
return true;
}
bool CIniFile::SaveIniFileModified(const std::string& FileName)
{
if(m_bModified==true)
{
return SaveIniFile(FileName);
}
return true;
}
bool CIniFile::SaveIniFile(const std::string& FileName)
{
if(FileName!="")
m_sFileName=FileName;
FILE* f=fopen(m_sFileName.c_str(),"wb");
if(NULL==f)
{
return false;
}
for(size_t ii=0;ii<m_FileContainer.size();ii++)
{
std::string& strline=m_FileContainer[ii];
size_t notSpace=strline.find_first_not_of(' ');
strline=strline.substr(notSpace);
if(strline.find('[')==0&&ii>0)
{
if(!m_FileContainer[ii-1].empty()&&m_FileContainer[ii-1]!="")
fwrite("\r\n",1,2,f);
}
if(!strline.empty()&&strline!="")
{
fwrite(strline.c_str(),1,strline.length(),f);
fwrite("\r\n",1,2,f);
}
}
fclose(f);
m_bModified=false;
return true;
}
std::string CIniFile::GetFileString(const std::string& Section,const std::string& Item)
{
std::string strline;
std::string strSection;
std::string strItem;
std::string strValue;
size_t ii=0;
size_t iFileLines=m_FileContainer.size();
if(m_bReadOnly)
{
cSectionCache::iterator it=m_Cache.find(Section);
if((it!=m_Cache.end())) ii=it->second;
}
m_bLastResult=false;
if(iFileLines>0)
{
while(ii<iFileLines)
{
strline=m_FileContainer[ii++];
size_t rBracketPos=0;
if('['==strline[0]) rBracketPos=strline.find(']');
if(rBracketPos>0&&rBracketPos!=std::string::npos)
{
strSection=strline.substr(1,rBracketPos-1);
if(m_bReadOnly) m_Cache.insert(std::make_pair(strSection,ii-1));
if(strSection==Section)
{
while(ii<iFileLines)
{
strline=m_FileContainer[ii++];
size_t equalsignPos=strline.find('=');
if(equalsignPos!=strline.npos)
{
size_t last=equalsignPos?strline.find_last_not_of(" \t",equalsignPos-1):strline.npos;
if(last==strline.npos) strItem="";
else strItem=strline.substr(0,last+1);
if(strItem==Item)
{
size_t first=strline.find_first_not_of(" \t",equalsignPos+1);
if(first==strline.npos) strValue="";
else strValue=strline.substr(first);
m_bLastResult=true;
return strValue;
}
}
else if('['==strline[0])
{
break;
}
}
break;
}
}
}
}
return std::string("");
}
void CIniFile::SetFileString(const std::string& Section,const std::string& Item,const std::string& Value)
{
std::string strline;
std::string strSection;
std::string strItem;
if(m_bReadOnly) return;
size_t ii=0;
size_t iFileLines=m_FileContainer.size();
while(ii<iFileLines)
{
strline=m_FileContainer[ii++];
size_t rBracketPos=0;
if('['==strline[0]) rBracketPos=strline.find(']');
if(rBracketPos>0&&rBracketPos!=std::string::npos)
{
strSection=strline.substr(1,rBracketPos-1);
if(strSection==Section)
{
while(ii<iFileLines)
{
strline=m_FileContainer[ii++];
size_t equalsignPos=strline.find('=');
if(equalsignPos!=strline.npos)
{
size_t last=equalsignPos?strline.find_last_not_of(" \t",equalsignPos-1):strline.npos;
if(last==strline.npos) strItem="";
else strItem=strline.substr(0,last+1);
if(Item==strItem)
{
ReplaceLine(ii-1,Item+" = "+Value);
return;
}
}
else if('['==strline[0])
{
InsertLine(ii-1,Item+" = "+Value);
return;
}
}
InsertLine(ii,Item+" = "+Value);
return;
}
}
}
InsertLine(ii,"["+Section+"]");
InsertLine(ii+1,Item+" = "+Value);
return;
}
bool CIniFile::InsertLine(size_t line,const std::string& str)
{
m_FileContainer.insert(m_FileContainer.begin()+line,str);
return true;
}
bool CIniFile::ReplaceLine(size_t line,const std::string& str)
{
m_FileContainer[line]=str;
return true;
}