+++ /dev/null
-/*
-Copyright (C) 2001-2006, William Joseph.
-All Rights Reserved.
-
-This file is part of GtkRadiant.
-
-GtkRadiant 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 2 of the License, or
-(at your option) any later version.
-
-GtkRadiant 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 GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#if !defined(INCLUDED_STREAM_FILESTREAM_H)
-#define INCLUDED_STREAM_FILESTREAM_H
-
-#include "idatastream.h"
-#include <algorithm>
-#include <cstdio>
-
-namespace FileStreamDetail
-{
- inline int whence_for_seekdir(SeekableStream::seekdir direction)
- {
- switch(direction)
- {
- case SeekableStream::cur:
- return SEEK_CUR;
- case SeekableStream::end:
- return SEEK_END;
- default:
- break;
- }
- return SEEK_SET;
- }
-}
-
-
-/// \brief A wrapper around a file input stream opened for reading in binary mode. Similar to std::ifstream.
-///
-/// - Maintains a valid file handle associated with a name passed to the constructor.
-/// - Implements SeekableInputStream.
-class FileInputStream : public SeekableInputStream
-{
- std::FILE* m_file;
-public:
- FileInputStream(const char* name)
- {
- m_file = name[0] == '\0' ? 0 : fopen(name, "rb");
- }
- ~FileInputStream()
- {
- if(!failed())
- fclose(m_file);
- }
-
- bool failed() const
- {
- return m_file == 0;
- }
-
- size_type read(byte_type* buffer, size_type length)
- {
- return fread(buffer, 1, length, m_file);
- }
-
- size_type seek(size_type position)
- {
- return fseek(m_file, static_cast<long>(position), SEEK_SET);
- }
- size_type seek(offset_type offset, seekdir direction)
- {
- return fseek(m_file, offset, FileStreamDetail::whence_for_seekdir(direction));
- }
- size_type tell() const
- {
- return ftell(m_file);
- }
-
- std::FILE* file()
- {
- return m_file;
- }
-};
-
-/// \brief A wrapper around a FileInputStream limiting access.
-///
-/// - Maintains an input stream.
-/// - Provides input starting at an offset in the file for a limited range.
-class SubFileInputStream : public InputStream
-{
- FileInputStream& m_istream;
- size_type m_remaining;
-public:
- typedef FileInputStream::position_type position_type;
-
- SubFileInputStream(FileInputStream& istream, position_type offset, size_type size)
- : m_istream(istream), m_remaining(size)
- {
- m_istream.seek(offset);
- }
-
- size_type read(byte_type* buffer, size_type length)
- {
- size_type result = m_istream.read(buffer, std::min(length, m_remaining));
- m_remaining -= result;
- return result;
- }
-};
-
-
-/// \brief A wrapper around a stdc file stream opened for writing in binary mode. Similar to std::ofstream..
-///
-/// - Maintains a valid file handle associated with a name passed to the constructor.
-/// - Implements SeekableInputStream.
-class FileOutputStream : public SeekableOutputStream
-{
- std::FILE* m_file;
-public:
- FileOutputStream(const char* name)
- {
- m_file = name[0] == '\0' ? 0 : fopen(name, "wb");
- }
- ~FileOutputStream()
- {
- if(!failed())
- fclose(m_file);
- }
-
- bool failed() const
- {
- return m_file == 0;
- }
-
- size_type write(const byte_type* buffer, size_type length)
- {
- return fwrite(buffer, 1, length, m_file);
- }
-
- size_type seek(size_type position)
- {
- return fseek(m_file, static_cast<long>(position), SEEK_SET);
- }
- size_type seek(offset_type offset, seekdir direction)
- {
- return fseek(m_file, offset, FileStreamDetail::whence_for_seekdir(direction));
- }
- size_type tell() const
- {
- return ftell(m_file);
- }
-};
-
-inline bool file_copy(const char* source, const char* target)
-{
- const std::size_t buffer_size = 1024;
- unsigned char buffer[buffer_size];
-
- FileInputStream sourceFile(source);
- if(sourceFile.failed())
- {
- return false;
- }
- FileOutputStream targetFile(target);
- if(targetFile.failed())
- {
- return false;
- }
-
- for(;;)
- {
- std::size_t size = sourceFile.read(buffer, buffer_size);
- if(size == 0)
- {
- break;
- }
- if(targetFile.write(buffer, size) != size)
- {
- return false;
- }
- }
- return true;
-}
-
-
-#endif