source: dev/branches/egtra/ab5.0/jenga/include/common/File.h@ 806

#pragma once


namespace Jenga{
namespace Common{


class File
{
    const std::string filePath;
public:
    File( const std::string &filePath )
        : filePath( filePath )
    {
    }

    std::string Read()
    {
        HANDLE hFile = CreateFile( filePath.c_str(), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
        if( hFile == INVALID_HANDLE_VALUE )
        {
            Jenga::Throw( filePath + " がオープンできません" );
        }
        int size = GetFileSize( hFile, NULL );

        char *temp = static_cast<char *>(calloc( size + 1, 1 ));
        DWORD dummy;
        ReadFile( hFile, temp, size, &dummy, NULL );
        CloseHandle(hFile);

        std::string result = temp;
        free( temp );

        return result;
    }

    bool ReadBinary( Binary &binary )
    {
        HANDLE hFile = CreateFile( filePath.c_str(), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
        if( hFile == INVALID_HANDLE_VALUE )
        {
            return false;
        }
        int size = GetFileSize( hFile, NULL );

        char *temp = static_cast<char *>(calloc( size + 1, 1 ));
        DWORD dummy;
        ReadFile( hFile, temp, size, &dummy, NULL );
        CloseHandle(hFile);

        binary.Put( temp, size );

        return true;
    }

    bool WriteBinary( const Binary &binary )
    {
        HANDLE hFile = CreateFile(filePath.c_str(),GENERIC_WRITE,0,NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
        if(hFile==INVALID_HANDLE_VALUE)
        {
            return false;
        }
        DWORD dw;
        WriteFile(hFile,binary.GetBuffer(),binary.GetSize(),&dw,NULL);
        CloseHandle(hFile);

        return true;
    }
};


}}