448 lines
14 KiB
C++
448 lines
14 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#include "cmOutputConverter.h"
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#include "cmAlgorithms.h"
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#include "cmake.h"
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#include <cmsys/System.h>
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#include <assert.h>
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cmOutputConverter::cmOutputConverter(cmState::Snapshot snapshot)
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: StateSnapshot(snapshot), LinkScriptShell(false)
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{
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}
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//----------------------------------------------------------------------------
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std::string
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cmOutputConverter::ConvertToOutputForExistingCommon(const std::string& remote,
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std::string const& result,
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OutputFormat format) const
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{
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// If this is a windows shell, the result has a space, and the path
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// already exists, we can use a short-path to reference it without a
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// space.
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if(this->GetState()->UseWindowsShell() && result.find(' ') != result.npos &&
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cmSystemTools::FileExists(remote.c_str()))
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{
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std::string tmp;
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if(cmSystemTools::GetShortPath(remote, tmp))
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{
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return this->ConvertToOutputFormat(tmp, format);
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}
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}
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// Otherwise, leave it unchanged.
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return result;
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}
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//----------------------------------------------------------------------------
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std::string
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cmOutputConverter::ConvertToOutputForExisting(const std::string& remote,
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RelativeRoot local,
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OutputFormat format) const
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{
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static_cast<void>(local);
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// Perform standard conversion.
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std::string result = this->ConvertToOutputFormat(remote, format);
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// Consider short-path.
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return this->ConvertToOutputForExistingCommon(remote, result, format);
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}
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//----------------------------------------------------------------------------
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std::string
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cmOutputConverter::ConvertToOutputForExisting(RelativeRoot remote,
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const std::string& local,
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OutputFormat format) const
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{
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// Perform standard conversion.
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std::string result = this->Convert(remote, local, format, true);
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// Consider short-path.
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const char* remotePath = this->GetRelativeRootPath(remote);
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return this->ConvertToOutputForExistingCommon(remotePath, result, format);
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}
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//----------------------------------------------------------------------------
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const char* cmOutputConverter::GetRelativeRootPath(RelativeRoot relroot) const
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{
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switch (relroot)
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{
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case HOME: return this->GetState()->GetSourceDirectory();
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case START: return this->StateSnapshot.GetCurrentSourceDirectory();
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case HOME_OUTPUT: return this->GetState()->GetBinaryDirectory();
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case START_OUTPUT: return this->StateSnapshot.GetCurrentBinaryDirectory();
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default: break;
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}
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return 0;
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}
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std::string cmOutputConverter::Convert(const std::string& source,
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RelativeRoot relative,
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OutputFormat output) const
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{
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// Convert the path to a relative path.
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std::string result = source;
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switch (relative)
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{
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case HOME:
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result = this->ConvertToRelativePath(
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this->GetState()->GetSourceDirectoryComponents(), result);
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break;
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case START:
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result = this->ConvertToRelativePath(
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this->StateSnapshot.GetCurrentSourceDirectoryComponents(), result);
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break;
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case HOME_OUTPUT:
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result = this->ConvertToRelativePath(
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this->GetState()->GetBinaryDirectoryComponents(), result);
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break;
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case START_OUTPUT:
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result = this->ConvertToRelativePath(
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this->StateSnapshot.GetCurrentBinaryDirectoryComponents(), result);
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break;
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case FULL:
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result = cmSystemTools::CollapseFullPath(result);
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break;
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case NONE:
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break;
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}
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return this->ConvertToOutputFormat(result, output);
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}
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//----------------------------------------------------------------------------
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std::string cmOutputConverter::ConvertToOutputFormat(const std::string& source,
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OutputFormat output) const
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{
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std::string result = source;
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// Convert it to an output path.
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if (output == MAKERULE)
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{
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result = cmSystemTools::ConvertToOutputPath(result.c_str());
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}
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else if(output == SHELL || output == WATCOMQUOTE)
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{
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// For the MSYS shell convert drive letters to posix paths, so
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// that c:/some/path becomes /c/some/path. This is needed to
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// avoid problems with the shell path translation.
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if(this->GetState()->UseMSYSShell() && !this->LinkScriptShell)
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{
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if(result.size() > 2 && result[1] == ':')
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{
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result[1] = result[0];
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result[0] = '/';
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}
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}
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if(this->GetState()->UseWindowsShell())
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{
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std::replace(result.begin(), result.end(), '/', '\\');
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}
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result = this->EscapeForShell(result, true, false, output == WATCOMQUOTE);
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}
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else if(output == RESPONSE)
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{
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result = this->EscapeForShell(result, false, false, false);
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}
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return result;
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}
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//----------------------------------------------------------------------------
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std::string cmOutputConverter::Convert(RelativeRoot remote,
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const std::string& local,
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OutputFormat output,
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bool optional) const
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{
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const char* remotePath = this->GetRelativeRootPath(remote);
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// The relative root must have a path (i.e. not FULL or NONE)
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assert(remotePath != 0);
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if(!local.empty() && !optional)
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{
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std::vector<std::string> components;
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cmSystemTools::SplitPath(local, components);
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std::string result = this->ConvertToRelativePath(components, remotePath);
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return this->ConvertToOutputFormat(result, output);
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}
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return this->ConvertToOutputFormat(remotePath, output);
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}
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//----------------------------------------------------------------------------
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static bool cmOutputConverterNotAbove(const char* a, const char* b)
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{
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return (cmSystemTools::ComparePath(a, b) ||
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cmSystemTools::IsSubDirectory(a, b));
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}
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//----------------------------------------------------------------------------
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std::string
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cmOutputConverter::ConvertToRelativePath(const std::vector<std::string>& local,
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const std::string& in_remote,
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bool force) const
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{
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// The path should never be quoted.
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assert(in_remote[0] != '\"');
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// The local path should never have a trailing slash.
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assert(!local.empty() && !(local[local.size()-1] == ""));
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// If the path is already relative then just return the path.
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if(!cmSystemTools::FileIsFullPath(in_remote.c_str()))
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{
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return in_remote;
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}
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if(!force)
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{
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// Skip conversion if the path and local are not both in the source
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// or both in the binary tree.
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std::string local_path = cmSystemTools::JoinPath(local);
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if(!((cmOutputConverterNotAbove(local_path.c_str(),
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this->StateSnapshot.GetRelativePathTopBinary()) &&
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cmOutputConverterNotAbove(in_remote.c_str(),
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this->StateSnapshot.GetRelativePathTopBinary())) ||
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(cmOutputConverterNotAbove(local_path.c_str(),
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this->StateSnapshot.GetRelativePathTopSource()) &&
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cmOutputConverterNotAbove(in_remote.c_str(),
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this->StateSnapshot.GetRelativePathTopSource()))))
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{
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return in_remote;
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}
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}
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// Identify the longest shared path component between the remote
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// path and the local path.
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std::vector<std::string> remote;
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cmSystemTools::SplitPath(in_remote, remote);
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unsigned int common=0;
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while(common < remote.size() &&
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common < local.size() &&
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cmSystemTools::ComparePath(remote[common],
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local[common]))
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{
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++common;
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}
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// If no part of the path is in common then return the full path.
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if(common == 0)
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{
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return in_remote;
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}
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// If the entire path is in common then just return a ".".
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if(common == remote.size() &&
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common == local.size())
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{
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return ".";
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}
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// If the entire path is in common except for a trailing slash then
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// just return a "./".
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if(common+1 == remote.size() &&
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remote[common].empty() &&
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common == local.size())
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{
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return "./";
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}
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// Construct the relative path.
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std::string relative;
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// First add enough ../ to get up to the level of the shared portion
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// of the path. Leave off the trailing slash. Note that the last
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// component of local will never be empty because local should never
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// have a trailing slash.
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for(unsigned int i=common; i < local.size(); ++i)
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{
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relative += "..";
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if(i < local.size()-1)
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{
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relative += "/";
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}
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}
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// Now add the portion of the destination path that is not included
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// in the shared portion of the path. Add a slash the first time
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// only if there was already something in the path. If there was a
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// trailing slash in the input then the last iteration of the loop
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// will add a slash followed by an empty string which will preserve
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// the trailing slash in the output.
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if(!relative.empty() && !remote.empty())
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{
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relative += "/";
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}
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relative += cmJoin(cmRange(remote).advance(common), "/");
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// Finally return the path.
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return relative;
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}
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//----------------------------------------------------------------------------
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static bool cmOutputConverterIsShellOperator(const std::string& str)
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{
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static std::set<std::string> shellOperators;
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if(shellOperators.empty())
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{
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shellOperators.insert("<");
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shellOperators.insert(">");
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shellOperators.insert("<<");
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shellOperators.insert(">>");
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shellOperators.insert("|");
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shellOperators.insert("||");
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shellOperators.insert("&&");
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shellOperators.insert("&>");
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shellOperators.insert("1>");
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shellOperators.insert("2>");
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shellOperators.insert("2>&1");
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shellOperators.insert("1>&2");
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}
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return shellOperators.count(str) > 0;
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}
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//----------------------------------------------------------------------------
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std::string cmOutputConverter::EscapeForShell(const std::string& str,
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bool makeVars,
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bool forEcho,
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bool useWatcomQuote) const
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{
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// Do not escape shell operators.
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if(cmOutputConverterIsShellOperator(str))
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{
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return str;
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}
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// Compute the flags for the target shell environment.
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int flags = 0;
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if(this->GetState()->UseWindowsVSIDE())
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{
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flags |= cmsysSystem_Shell_Flag_VSIDE;
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}
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else if(!this->LinkScriptShell)
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{
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flags |= cmsysSystem_Shell_Flag_Make;
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}
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if(makeVars)
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{
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flags |= cmsysSystem_Shell_Flag_AllowMakeVariables;
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}
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if(forEcho)
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{
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flags |= cmsysSystem_Shell_Flag_EchoWindows;
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}
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if(useWatcomQuote)
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{
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flags |= cmsysSystem_Shell_Flag_WatcomQuote;
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}
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if(this->GetState()->UseWatcomWMake())
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{
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flags |= cmsysSystem_Shell_Flag_WatcomWMake;
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}
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if(this->GetState()->UseMinGWMake())
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{
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flags |= cmsysSystem_Shell_Flag_MinGWMake;
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}
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if(this->GetState()->UseNMake())
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{
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flags |= cmsysSystem_Shell_Flag_NMake;
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}
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// Compute the buffer size needed.
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int size = (this->GetState()->UseWindowsShell() ?
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cmsysSystem_Shell_GetArgumentSizeForWindows(str.c_str(), flags) :
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cmsysSystem_Shell_GetArgumentSizeForUnix(str.c_str(), flags));
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// Compute the shell argument itself.
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std::vector<char> arg(size);
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if(this->GetState()->UseWindowsShell())
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{
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cmsysSystem_Shell_GetArgumentForWindows(str.c_str(), &arg[0], flags);
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}
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else
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{
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cmsysSystem_Shell_GetArgumentForUnix(str.c_str(), &arg[0], flags);
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}
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return std::string(&arg[0]);
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}
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//----------------------------------------------------------------------------
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std::string cmOutputConverter::EscapeForCMake(const std::string& str)
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{
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// Always double-quote the argument to take care of most escapes.
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std::string result = "\"";
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for(const char* c = str.c_str(); *c; ++c)
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{
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if(*c == '"')
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{
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// Escape the double quote to avoid ending the argument.
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result += "\\\"";
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}
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else if(*c == '$')
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{
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// Escape the dollar to avoid expanding variables.
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result += "\\$";
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}
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else if(*c == '\\')
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{
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// Escape the backslash to avoid other escapes.
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result += "\\\\";
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}
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else
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{
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// Other characters will be parsed correctly.
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result += *c;
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}
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}
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result += "\"";
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return result;
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}
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//----------------------------------------------------------------------------
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cmOutputConverter::FortranFormat
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cmOutputConverter::GetFortranFormat(const char* value)
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{
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FortranFormat format = FortranFormatNone;
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if(value && *value)
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{
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std::vector<std::string> fmt;
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cmSystemTools::ExpandListArgument(value, fmt);
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for(std::vector<std::string>::iterator fi = fmt.begin();
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fi != fmt.end(); ++fi)
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{
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if(*fi == "FIXED")
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{
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format = FortranFormatFixed;
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}
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if(*fi == "FREE")
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{
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format = FortranFormatFree;
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}
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}
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}
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return format;
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}
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void cmOutputConverter::SetLinkScriptShell(bool linkScriptShell)
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{
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this->LinkScriptShell = linkScriptShell;
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}
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cmState* cmOutputConverter::GetState() const
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{
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return this->StateSnapshot.GetState();
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}
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