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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2010 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#ifndef cmArchiveWrite_h
#define cmArchiveWrite_h
#include "cmStandardIncludes.h"
#if !defined(CMAKE_BUILD_WITH_CMAKE)
# error "cmArchiveWrite not allowed during bootstrap build!"
#endif
/** \class cmArchiveWrite
* \brief Wrapper around libarchive for writing.
*
*/
class cmArchiveWrite
{
typedef void (cmArchiveWrite::* safe_bool)();
void safe_bool_true() {}
public:
/** Compression type. */
enum Compress
{
CompressNone,
CompressCompress,
CompressGZip,
CompressBZip2,
CompressLZMA,
CompressXZ
};
/** Construct with output stream to which to write archive. */
cmArchiveWrite(std::ostream& os, Compress c = CompressNone,
std::string const& format = "paxr");
~cmArchiveWrite();
/**
* Add a path (file or directory) to the archive. Directories are
* added recursively. The "path" must be readable on disk, either
* full path or relative to current working directory. The "skip"
* value indicates how many leading bytes from the input path to
* skip. The remaining part of the input path is appended to the
* "prefix" value to construct the final name in the archive.
*/
bool Add(std::string path, size_t skip = 0, const char* prefix = 0);
/** Returns true if there has been no error. */
operator safe_bool() const
{ return this->Okay()? &cmArchiveWrite::safe_bool_true : 0; }
/** Returns true if there has been an error. */
bool operator!() const { return !this->Okay(); }
/** Return the error string; empty if none. */
std::string GetError() const { return this->Error; }
// TODO: More general callback instead of hard-coding calls to
// std::cout.
void SetVerbose(bool v) { this->Verbose = v; }
void SetMTime(std::string const& t) { this->MTime = t; }
private:
bool Okay() const { return this->Error.empty(); }
bool AddPath(const char* path, size_t skip, const char* prefix);
bool AddFile(const char* file, size_t skip, const char* prefix);
bool AddData(const char* file, size_t size);
struct Callback;
friend struct Callback;
class Entry;
std::ostream& Stream;
struct archive* Archive;
struct archive* Disk;
bool Verbose;
std::string Format;
std::string Error;
std::string MTime;
};
#endif
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