velasco_file.cpp

// Arquivo obtido em:
// http://www.todosymbian.com/files2/file.zip

#include "file.h"


bool File::Open(const TDesC &name,unsigned int mode){
    TInt mask = 0;
    TInt err = 0;

    fsSession.Connect();

    if(mode&OMText) mask = EFileStreamText;
    if(mode&OMRead) mask |= EFileRead;
    if(mode&OMWrite) mask |= EFileWrite;

    if(mode&OMCreate) err =  rFile.Create(fsSession,name,mask);
    else if(mode&OMReplace) err =  rFile.Replace(fsSession,name,mask);
    else if(mode&OMOpen) err = rFile.Open(fsSession,name,mask);

    if(err != KErrNone){
        fsSession.Close();
        return false;
    }else
        return true;
}


void File::Close(){
    rFile.Flush();
    rFile.Close();
    fsSession.Close();
}


int File::Read(void *buff,int length){
    TPtr8 ptr((unsigned char*)buff,length);
    rFile.Read(ptr,length);
    return ptr.Length();
}


int File::Write(void *buff,int length){
    TPtr8 ptr((unsigned char*)buff,length,length);
    rFile.Write(ptr);
    return ptr.Length();
}


void File::Seek(TSeek mode,int offSet){
    rFile.Seek(mode,offSet);
}