symbian S60 下针对INI文件的操作
由于项目需要，在S60希望用INI保存配置文件，于是从网上找到KHAN‘S的INI在S60 2rd的操作代码，但在S60 3rd下需要改一下,现贴出来
//head file
CFile.h
#ifndef __C_FILE_H__
#define __C_FILE_H__
#include <f32file.h>
#include <badesca.h>
class CFile:public CBase
{
public:
static CFile *NewL(const TDesC &p_fileName);
static CFile *NewLC(const TDesC &p_fileName);
CFile(const TDesC& p_fileName);
~CFile();
public:
void ConstructL(TUint p_shareMode);
TInt FPuts(const TDesC8 &aDes);
TInt FGets(TDes8 &aDes) const;
TInt FSeek(TSeek aMode, TInt &aPos) const;
TInt FSetSize(TInt aSize);
TInt FileSize() const;
void DostroyL();
public:
static void GetDirFiles(const TDesC &path, CDesCArray& files);
static void LogToFile(const TDesC& filename,TDesC8& pdu);
//static void LogToFile(const TDesC& filename,TDesC& pdu);
static void GetLinesFromFile(const TDesC& filename,CDesCArray& lines);
static void GetLinesFromFile(const TDesC& filename,CDesC8Array& lines);
static bool MakeCbmDir(const TDesC& aPath);
protected:
TBuf<128> mFileName;
RFs fs;
RFile file;
TInt mFileSize;
};
#endif //__C_FILE_H__
#ifndef __C_FILE_H__
#define __C_FILE_H__
#include <f32file.h>
#include <badesca.h>
class CFile:public CBase
{
public:
static CFile *NewL(const TDesC &p_fileName);
static CFile *NewLC(const TDesC &p_fileName);
CFile(const TDesC& p_fileName);
~CFile();
public:
void ConstructL(TUint p_shareMode);
TInt FPuts(const TDesC8 &aDes);
TInt FGets(TDes8 &aDes) const;
TInt FSeek(TSeek aMode, TInt &aPos) const;
TInt FSetSize(TInt aSize);
TInt FileSize() const;
void DostroyL();
public:
static void GetDirFiles(const TDesC &path, CDesCArray& files);
static void LogToFile(const TDesC& filename,TDesC8& pdu);
//static void LogToFile(const TDesC& filename,TDesC& pdu);
static void GetLinesFromFile(const TDesC& filename,CDesCArray& lines);
static void GetLinesFromFile(const TDesC& filename,CDesC8Array& lines);
static bool MakeCbmDir(const TDesC& aPath);
protected:
TBuf<128> mFileName;
RFs fs;
RFile file;
TInt mFileSize;
};
#endif //__C_FILE_H__
//ini file head
CodeCIniFile.h#ifndef __C_INI_FILE_H__
#define __C_INI_FILE_H__
#include <e32base.h> //CArrayPtrFlat
#include "CFile.h"
typedef struct tagINIElement
{
TBuf8<40> _Section;
TBuf8<40> _Key;
TBuf8<512> _Value;
}IniElement;
class CIniFile :public CFile
{
public:
static CIniFile* NewL(const TDesC &p_fileName);
static CIniFile* NewLC(const TDesC &p_fileName);
CIniFile(const TDesC &p_fileName);
~CIniFile();
TInt OpenIni();
TInt GetValue(const TDesC8 &p_Section, const TDesC8 &p_Key, TDes8 &p_Value );
TInt PutValue(const TDesC8 &p_Section, const TDesC8 &p_Key, const TDesC8 &p_Value );
void WriteIni();
void CloseIni();
void DostroyL();
private:
CArrayPtrFlat<IniElement> *m_pIniElements;
};
#endif //__C_INI_FILE_H__
//file cpp
Code"CFile.h"#include <bautils.h>
#include <utf.h>
_LIT8(KCRLF, ""r"n");
CFile *CFile::NewL(const TDesC &p_fileName)
{
CFile *self = CFile::NewLC(p_fileName);
CleanupStack::Pop(self);
return self;
}
CFile *CFile::NewLC(const TDesC &p_fileName)
{
CFile *self = new(ELeave) CFile(p_fileName);
CleanupStack::PushL(self);
return self;
}
CFile::CFile(const TDesC &p_fileName)
{
mFileName.Copy(p_fileName);
mFileSize = 0;
}
CFile::~CFile()
{
}
void CFile::ConstructL(TUint p_shareMode)
{
User::LeaveIfError(fs.Connect() );
TInt err = file.Open( fs, mFileName, p_shareMode);
if(err==KErrNotFound) // file does not exist - create it
err=file.Create(fs, mFileName, p_shareMode);
file.Size(mFileSize);
}
TInt CFile::FileSize() const
{
return mFileSize;
}
TInt CFile::FPuts(const TDesC8 &aDes)
{
return file.Write(aDes);
}
TInt CFile::FGets(TDes8 &aDes) const
{
return file.Read(aDes);
}
TInt CFile::FSeek(TSeek aMode, TInt &aPos) const
{
return file.Seek(aMode, aPos);
}
TInt CFile::FSetSize(TInt aSize)
{
return file.SetSize(aSize);
}
void CFile::DostroyL()
{
file.Close();
fs.Close();
}
bool CFile::MakeCbmDir(const TDesC& aPath){
RFs fs;
User::LeaveIfError(fs.Connect() );
if( BaflUtils::FolderExists(fs,aPath) ){
fs.Close();
return true;
}
if(KErrNone==fs.MkDirAll(aPath) ){
fs.Close();
return true;
}
fs.Close();
return false;
}
void CFile::GetDirFiles(const TDesC& path,CDesCArray& files)
{
RFs fs;
User::LeaveIfError(fs.Connect() );
if( BaflUtils::FolderExists(fs,path) ){
CDir* dir=NULL;
User::LeaveIfError( fs.GetDir(path, KEntryAttNormal|KEntryAttMatchMask, ESortByName, dir) );
TInt ii=dir->Count();
for(TInt i=0;i<ii;i++){
TEntry aEntry=(*dir)[i];
TBuf<256> filePath(path);
filePath.Append(aEntry.iName);
files.AppendL(filePath);
}
}
fs.Close();
}
void CFile::LogToFile(const TDesC& filename,TDesC8& pdu)
{
//_LIT(name, "C:""log.txt");
//TBuf<32> filename(name);
RFs fs;
RFile file;
User::LeaveIfError(fs.Connect() );
//CleanupClosePushL(fs);
//CleanupClosePushL(file);
TUint shareMode=EFileRead | EFileWrite ;
TInt err= file.Open( fs, filename,shareMode ) ;
if(err==KErrNotFound) // file does not exist - create it
err=file.Create(fs,filename,shareMode);
TInt pos;
file.Seek(ESeekEnd,pos);
if(err!=KErrNotFound)
file.Write(pos,_L8(""r"n"));
file.Seek(ESeekEnd,pos);
file.Write(pos,pdu);
//CleanupStack::PopAndDestroy(2,&fs);
file.Close();
fs.Close();
}
void CFile::GetLinesFromFile(const TDesC& filename,CDesCArray& lines){
RFs fs;
User::LeaveIfError(fs.Connect() );
if( BaflUtils::FileExists(fs,filename) ){
//open file
RFile file;
TUint shareMode=EFileRead | EFileWrite ;
file.Open( fs, filename,shareMode ) ;
TInt fileSize=0;
file.Size(fileSize); //取得文件大小
CnvUtfConverter *cutf=new (ELeave) CnvUtfConverter;
HBufC8 *bufc = HBufC8::NewL(fileSize+1);
TPtr8 tp(bufc->Des());
file.Read( tp ) ;
//LogToFile(_L("c:""cbm""rsadebug.txt"), bufc->Des());//
TInt res;
TPtrC8 iCursor(bufc->Des());
TBuf<256> buf16;
//TBuf8<2> bufPage;
//bufPage.Format(_L8("%02d"), res);
//LogToFile(_L("c:""cbm""rsadebug.txt"), bufPage);
while( ( res = iCursor.FindF(KCRLF) ) >= 0 ) {
res = iCursor.FindF(KCRLF);
TPtrC8 result = iCursor.Left(res);
iCursor.Set(iCursor.Right(iCursor.Length() - (res +2)));
buf16.Zero();
buf16=cutf->ConvertToUnicodeFromUtf8L(result)->Des();
lines.AppendL(buf16);
}
if(iCursor.Size()>0) {
buf16.Zero();
buf16=cutf->ConvertToUnicodeFromUtf8L(iCursor)->Des();
lines.AppendL(buf16);
}
delete cutf;
delete bufc;
file.Close();
}
fs.Close();
}
void CFile::GetLinesFromFile(const TDesC& filename,CDesC8Array& lines){
RFs fs;
User::LeaveIfError(fs.Connect() );
if( BaflUtils::FileExists(fs,filename) ){
//open file
RFile file;
TUint shareMode=EFileRead | EFileWrite ;
file.Open( fs, filename,shareMode ) ;
TInt fileSize=0;
file.Size(fileSize);
CnvUtfConverter *cutf=new (ELeave) CnvUtfConverter;
HBufC8 *bufc = HBufC8::NewL(fileSize+1);
TPtr8 tp(bufc->Des());
file.Read( tp ) ;
//file.Read( (TDes8&) (bufc->Des()) );
//LogToFile(_L("c:""cbm""rsadebug.txt"), bufc->Des());//
TInt res;
TPtrC8 iCursor(bufc->Des());
while( ( res = iCursor.FindF(KCRLF) ) >= 0 ){ //有可能位置是从0开始的 如果有问题.再改成 >0
TPtrC8 result = iCursor.Left(res);
iCursor.Set(iCursor.Right(iCursor.Length() - (res +2)));
lines.AppendL(result);
}
if(iCursor.Size()>0) {
lines.AppendL(iCursor);
}
delete cutf;
delete bufc;
file.Close();
}
fs.Close();
}
//inifile cpp
Code"CIniFile.h"CIniFile *CIniFile::NewL(const TDesC &p_fileName)
{
CIniFile *self = CIniFile::NewLC(p_fileName);
CleanupStack::Pop(self);
return self;
}
CIniFile *CIniFile::NewLC(const TDesC &p_fileName)
{
CIniFile *self = new(ELeave) CIniFile(p_fileName);
CleanupStack::PushL(self);
return self;
}
CIniFile::CIniFile(const TDesC &p_fileName):CFile(p_fileName)
{
m_pIniElements = NULL;
}
void CIniFile::DostroyL()
{
for(int i = 0; i<m_pIniElements->Count(); i++)
delete m_pIniElements->At(i);
delete m_pIniElements;
}
CIniFile::~CIniFile()
{
}
TInt CIniFile::OpenIni()
{
ConstructL(EFileRead | EFileWrite) ;
TInt pos=0;
FSeek(ESeekStart,pos);
HBufC8 *bufc = HBufC8::NewL(mFileSize + 3); //包含最末尾添加的"r"n
TPtr8 tp(bufc->Des());
FGets(tp); //读出所有文件内容
bufc->Des().Append(_L8(""r"n"));
TPtrC8 iCursor(bufc->Des()); //指向文件内容的指针
TInt iPos = 0;
m_pIniElements = new(ELeave) CArrayPtrFlat<IniElement>(20);
TBuf8<40> szCurSection(_L8(""));
TBuf8<40> szSection(_L8(""));
while( ( iPos = iCursor.FindF(_L8(""r"n")) ) >= 0 ) {
iPos = iCursor.FindF(_L8(""r"n"));
TPtrC8 result = iCursor.Left(iPos); //取出一行内容
HBufC8 *pTmp = HBufC8::NewL(result.Length());
pTmp->Des().Copy(result);
pTmp->Des().Trim();
if((pTmp->Des().Length() > 0) && pTmp->Des()[0] == '[') //查找section
{
pTmp->Des().Delete(0, 1);
if( pTmp->Des()[pTmp->Des().Length() -1 ] == ']')
pTmp->Des().Delete(pTmp->Des().Length()-1, 1);
szSection.Copy(pTmp->Des());
if (szCurSection != szSection)
szCurSection = szSection;
} else if( KErrNotFound != pTmp->Des().Find(_L8("=")) ) //key=value
{
if (szCurSection.Compare(_L8("")) != 0)
{
IniElement *element = new(ELeave) IniElement;
element->_Section.Copy(szCurSection) ;
TPtrC8 ptrKey(pTmp->Des());
TInt iKeyPos=0;
iKeyPos = ptrKey.FindF(_L8("="));
TPtrC8 ptrTmpKey = ptrKey.Left(iKeyPos);
element->_Key.Copy(ptrTmpKey);
element->_Key.Trim();
ptrKey.Set( ptrKey.Right(ptrKey.Length() - iKeyPos -1) );
element->_Value.Copy(ptrKey);
element->_Value.Trim();
m_pIniElements->AppendL(element);
}
} else //注释,,空行等无用数据
{
if (szCurSection.Compare(_L8("")) ==0 ) //没有section的注释空行..在文件开头
{
IniElement *element = new(ELeave) IniElement;
element->_Section.Copy(_L8("###"));
element->_Key.Copy(_L8("##"));
element->_Value.Copy(pTmp->Des());
m_pIniElements->AppendL(element);
} else //section中的注释空行
{
IniElement *element = new(ELeave) IniElement;
element->_Section.Copy(szCurSection);
element->_Key.Copy(_L8("##"));
element->_Value.Copy(pTmp->Des());
m_pIniElements->AppendL(element);
}
}
delete pTmp;
iCursor.Set( iCursor.Right(iCursor.Length() - (iPos +2)) );//
}
delete bufc;
CloseIni(); //关闭文件句柄
return 1;
}
TInt CIniFile::GetValue(const TDesC8 &p_Section, const TDesC8 &p_Key, TDes8 &p_Value )
{
for(int i=0; i<m_pIniElements->Count(); i++)
{
if( (m_pIniElements->At(i)->_Section.Compare( (TDesC8&)p_Section ) ==0 ) &&
(m_pIniElements->At(i)->_Key.Compare( (TDesC8&)p_Key ) ==0 ) )
{
p_Value.Copy(m_pIniElements->At(i)->_Value);
return 1;
}
}
return 0;
}
TInt CIniFile::PutValue(const TDesC8 &p_Section, const TDesC8 &p_Key, const TDesC8 &p_Value )
{
IniElement *element = new(ELeave) IniElement;
element->_Section.Copy(p_Section);
element->_Key.Copy(p_Key);
element->_Value.Copy(p_Value);
TInt b_KeyFind = 0;
for(int i = 0; i<m_pIniElements->Count(); i++)
{
//IniElement *tmp = m_pIniElements->At(i);
if( (m_pIniElements->At(i)->_Section.Compare( (TDesC8&)p_Section ) ==0 ) &&
(m_pIniElements->At(i)->_Key.Compare( (TDesC8&)p_Key ) ==0 ))
{
m_pIniElements->At(i)->_Value.Copy(p_Value);
b_KeyFind = 1;
break;
}
}
if(0 == b_KeyFind)
{
TInt b_secFind = 0;
for(int i=0; i<m_pIniElements->Count(); i++)
{
if( (m_pIniElements->At(i)->_Section.Compare( (TDesC8&)p_Section ) ==0) &&
(m_pIniElements->At(i)->_Key.Compare( _L8("##")) != 0) )
{
m_pIniElements->InsertL(i+1, element);
b_secFind = 1;
break;
}
}
if(b_secFind != 1) //如果是新增的section
m_pIniElements->AppendL(element);
}
//输出调试
/*for(int i=0; i<m_pIniElements->Count(); i++)
{
TBuf8<512> dd;
dd.Format(_L8("%S %S %S"r"n"), &(m_pIniElements->At(i)->_Section), &(m_pIniElements->At(i)->_Key), &(m_pIniElements->At(i)->_Value));
CFile::LogToFile(_L("c:""stock""debugini.txt"), dd);
}
*/
//将内存中的ini覆写回文件
ConstructL(EFileRead | EFileWrite);
TInt pos;
FSeek(ESeekStart,pos);
FSetSize(0);
WriteIni();
CloseIni(); //关闭文件句柄
return 1;
}
void CIniFile::WriteIni()
{
if(m_pIniElements->Count()>0)
{
TBuf8<40> szCurSection(_L8(""));
HBufC8 *strm = HBufC8::NewL(255);
strm->Des().Zero();
szCurSection.Copy(m_pIniElements->At(0)->_Section);
if(szCurSection.Compare( _L8("###")) != 0)//文件开头的注释和空行
{
strm->Des().Format(_L8("[%S]"r"n"), &szCurSection);
FPuts(strm->Des());
}
for(int i=0; i<m_pIniElements->Count(); i++)
{
IniElement *etmp = m_pIniElements->At(i);
if(etmp->_Section.Compare(szCurSection) == 0) //如果查到当前块的子项
{
if( (etmp->_Key.Compare(_L8("##")) == 0 ) && (etmp->_Value.Compare(_L8("")) == 0 ))
{
FPuts( _L8(""r"n"));
} else if( (etmp->_Key.Compare(_L8("##")) == 0 ) && (etmp->_Value.Compare(_L8("")) != 0 ))
{
strm->Des().Format(_L8("%S"r"n"), &(etmp->_Value));
FPuts(strm->Des());
} else
{
strm->Des().Format(_L8("%S = %S"r"n"), &(etmp->_Key), &(etmp->_Value));
FPuts(strm->Des());
}
} else
{
szCurSection.Copy(etmp->_Section);
if(szCurSection.Compare( _L8("###")) != 0)
{
strm->Des().Format(_L8("[%S]"r"n"), &szCurSection);
FPuts(strm->Des());
}
if( (etmp->_Key.Compare(_L8("##")) == 0 ) && (etmp->_Value.Compare(_L8("")) == 0 ))
{
FPuts( _L8(""r"n"));
} else if( (etmp->_Key.Compare(_L8("##")) == 0 ) && (etmp->_Value.Compare(_L8("")) != 0 ))
{
strm->Des().Format(_L8("%S"r"n"), &(etmp->_Value));
FPuts(strm->Des());
} else
{
strm->Des().Format(_L8("%S = %S"r"n"), &(etmp->_Key), &(etmp->_Value));
FPuts(strm->Des());
}
}
}
delete strm;
}
}
void CIniFile::CloseIni()
{
CFile::DostroyL();
}
KHAN's 源码在 http://www.cppblog.com/Khan/archive/2007/08/22/30582.html
