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/*
* ====================================================================
* Copyright (c) 2002-2009 The RapidSvn Group. All rights reserved.
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program (in the file GPL.txt.
* If not, see <http://www.gnu.org/licenses/>.
*
* This software consists of voluntary contributions made by many
* individuals. For exact contribution history, see the revision
* history and logs, available at http://rapidsvn.tigris.org/.
* ====================================================================
*/
#if defined( _MSC_VER) && _MSC_VER <= 1200
#pragma warning( disable: 4786 )// debug symbol truncated
#endif
// stl
#include <cstdio>
// Subversion api
#include "svn_client.h"
// svncpp
#include "kdevsvncpp/client.hpp"
#include "kdevsvncpp/exception.hpp"
#include "kdevsvncpp/pool.hpp"
#include "kdevsvncpp/status.hpp"
#include "m_check.hpp"
namespace svn
{
std::string
Client::cat(const Path & path,
const Revision & revision,
const Revision & peg_revision)
{
Pool pool;
svn_stringbuf_t * stringbuf = svn_stringbuf_create("", pool);
svn_stream_t * stream = svn_stream_from_stringbuf(stringbuf, pool);
svn_error_t * error;
error = svn_client_cat2(stream,
path.c_str(),
peg_revision.revision(),
revision.revision(),
*m_context,
pool);
if (error != nullptr)
throw ClientException(error);
return std::string(stringbuf->data, stringbuf->len);
}
/**
* Create a new temporary file in @a dstPath. If @a dstPath
* is empty (""), then construct the temporary filename
* from the temporary directory and the filename component
* of @a path. The file-extension of @a path will be transformed
* to @a dstPath and @a dstPath will be a unique filename
*
* @param dstPath path to temporary file. Will be constructed
* from @a path and temporary dir (and unique elements)
* if empty string
* @param path existing filename. Necessary only for construction
* of @a dstPath
* @param pool pool to use
* @return open file
*/
static apr_file_t *
openTempFile(Path & dstPath, const Path & path,
const Revision & revision, Pool & pool)
{
apr_file_t * file = nullptr;
if (dstPath.length() > 0)
{
apr_status_t status =
apr_file_open(&file, dstPath.c_str(),
APR_WRITE | APR_CREATE |
APR_TRUNCATE | APR_BINARY,
APR_OS_DEFAULT,
pool);
if (status != 0)
throw ClientException(status);
}
else
{
// split the path into its components
std::string dir, filename, ext;
path.split(dir, filename, ext);
// add the revision number to the filename
char revstring[20];
if (revision.kind() == revision.HEAD)
strcpy(revstring, "HEAD");
else
sprintf(revstring, "%" SVN_REVNUM_T_FMT, revision.revnum());
filename += '-';
filename += revstring;
// replace the dir component with tempdir
Path tempPath = Path::getTempDir();
tempPath.addComponent(filename);
const char * unique_name;
svn_error_t * error =
svn_io_open_unique_file(
&file, &unique_name,
tempPath.c_str(), // path
ext.c_str(), // suffix
0, // do not delete on close
pool);
if (error != nullptr)
throw ClientException(error);
dstPath = unique_name;
}
return file;
}
void
Client::get(Path & dstPath,
const Path & path,
const Revision & revision,
const Revision & peg_revision)
{
Pool pool;
// create a new file and suppose we only want
// this users to be able to read and write the file
apr_file_t * file = openTempFile(dstPath, path, revision, pool);
// now create a stream and let svn_client_cat write to the
// stream
svn_stream_t * stream = svn_stream_from_aprfile(file, pool);
if (stream != nullptr)
{
svn_error_t * error = svn_client_cat2(
stream,
path.c_str(),
peg_revision.revision() ,
revision.revision(),
*m_context,
pool);
if (error != nullptr)
throw ClientException(error);
svn_stream_close(stream);
}
// finalize stuff
apr_file_close(file);
}
}
/* -----------------------------------------------------------------
* local variables:
* eval: (load-file "../../rapidsvn-dev.el")
* end:
*/
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