file.cpp.svn-base

很好用的网络封装库,不熟悉网络编程的人也可以使用。使用风格良好的标准c++编写。

//
// File.cpp
//
// $Id: //poco/1.3/Foundation/src/File.cpp#4 $
//
// Library: Foundation
// Package: Filesystem
// Module:  File
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "Poco/File.h"
#include "Poco/Path.h"
#include "Poco/DirectoryIterator.h"


#if defined(POCO_OS_FAMILY_WINDOWS) && defined(POCO_WIN32_UTF8)
#include "File_WIN32U.cpp"
#elif defined(POCO_OS_FAMILY_WINDOWS)
#include "File_WIN32.cpp"
#elif defined(POCO_OS_FAMILY_UNIX)
#include "File_UNIX.cpp"
#else
#include "File_VMS.cpp"
#endif


namespace Poco {


File::File()
{
}


File::File(const std::string& path): FileImpl(path)
{
}


File::File(const char* path): FileImpl(std::string(path))
{
}


File::File(const Path& path): FileImpl(path.toString())
{
}


File::File(const File& file): FileImpl(file.getPathImpl())
{
}


File::~File()
{
}


File& File::operator = (const File& file)
{
	setPathImpl(file.getPathImpl());
	return *this;
}


File& File::operator = (const std::string& path)
{
	setPathImpl(path);
	return *this;
}


File& File::operator = (const char* path)
{
	poco_check_ptr (path);
	setPathImpl(path);
	return *this;
}


File& File::operator = (const Path& path)
{
	setPathImpl(path.toString());
	return *this;
}


void File::swap(File& file)
{
	swapImpl(file);
}


bool File::exists() const
{
	return existsImpl();
}

	
bool File::canRead() const
{
	return canReadImpl();
}

	
bool File::canWrite() const
{
	return canWriteImpl();
}


bool File::canExecute() const
{
	return canExecuteImpl();
}


bool File::isFile() const
{
	return isFileImpl();
}

	
bool File::isDirectory() const
{
	return isDirectoryImpl();
}


bool File::isLink() const
{
	return isLinkImpl();
}


bool File::isHidden() const
{
	return isHiddenImpl();
}


Timestamp File::created() const
{
	return createdImpl();
}

	
Timestamp File::getLastModified() const
{
	return getLastModifiedImpl();
}

	
void File::setLastModified(const Timestamp& ts)
{
	setLastModifiedImpl(ts);
}

	
File::FileSize File::getSize() const
{
	return getSizeImpl();
}

	
void File::setSize(FileSizeImpl size)
{
	setSizeImpl(size);
}

	
void File::setWriteable(bool flag)
{
	setWriteableImpl(flag);
}


void File::setReadOnly(bool flag)
{
	setWriteableImpl(!flag);
}


void File::setExecutable(bool flag)
{
	setExecutableImpl(flag);
}

	
void File::copyTo(const std::string& path) const
{
	Path src(getPathImpl());
	Path dest(path);
	File destFile(path);
	if (destFile.exists() && destFile.isDirectory() || dest.isDirectory())
	{
		dest.makeDirectory();
		dest.setFileName(src.getFileName());
	}
	if (isDirectory())
		copyDirectory(dest.toString());
	else
		copyToImpl(dest.toString());
}


void File::copyDirectory(const std::string& path) const
{
	File target(path);
	target.createDirectories();

	Path src(getPathImpl());
	src.makeFile();
	DirectoryIterator it(src);
	DirectoryIterator end;
	for (; it != end; ++it)
	{
		it->copyTo(path);
	}
}


void File::moveTo(const std::string& path)
{
	copyTo(path);
	remove(true);
	setPathImpl(path);
}

	
void File::renameTo(const std::string& path)
{
	renameToImpl(path);
	setPathImpl(path);
}

	
void File::remove(bool recursive)
{
	if (recursive && !isLink() && isDirectory())
	{
		std::vector<File> files;
		list(files);
		for (std::vector<File>::iterator it = files.begin(); it != files.end(); ++it)
		{
			it->remove(true);
		}
	}
	removeImpl();
}


bool File::createFile()
{
	return createFileImpl();
}


bool File::createDirectory()
{
	return createDirectoryImpl();
}


void File::createDirectories()
{
	if (!exists())
	{
		Path p(getPathImpl());
		p.makeDirectory();
		if (p.depth() > 1)
		{
			p.makeParent();
			File f(p);
			f.createDirectories();
		}
		createDirectoryImpl();
	}
}


void File::list(std::vector<std::string>& files) const
{
	files.clear();
	DirectoryIterator it(*this);
	DirectoryIterator end;
	while (it != end)
	{
		files.push_back(it.name());
		++it;
	}
}


void File::list(std::vector<File>& files) const
{
	files.clear();
	DirectoryIterator it(*this);
	DirectoryIterator end;
	while (it != end)
	{
		files.push_back(*it);
		++it;
	}
}


void File::handleLastError(const std::string& path)
{
	handleLastErrorImpl(path);
}


} // namespace Poco