290 lines
8.9 KiB
C++
290 lines
8.9 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 "cmSourceFileLocation.h"
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#include "cmMakefile.h"
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#include "cmLocalGenerator.h"
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#include "cmGlobalGenerator.h"
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#include "cmSystemTools.h"
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//----------------------------------------------------------------------------
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cmSourceFileLocation
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::cmSourceFileLocation(cmMakefile const* mf, const char* name): Makefile(mf)
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{
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this->AmbiguousDirectory = !cmSystemTools::FileIsFullPath(name);
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this->AmbiguousExtension = true;
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this->Directory = cmSystemTools::GetFilenamePath(name);
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this->Name = cmSystemTools::GetFilenameName(name);
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this->UpdateExtension(name);
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}
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//----------------------------------------------------------------------------
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void cmSourceFileLocation::Update(const char* name)
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{
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if(this->AmbiguousDirectory)
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{
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this->UpdateDirectory(name);
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}
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if(this->AmbiguousExtension)
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{
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this->UpdateExtension(name);
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}
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}
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//----------------------------------------------------------------------------
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void cmSourceFileLocation::Update(cmSourceFileLocation const& loc)
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{
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if(this->AmbiguousDirectory && !loc.AmbiguousDirectory)
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{
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this->Directory = loc.Directory;
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this->AmbiguousDirectory = false;
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}
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if(this->AmbiguousExtension && !loc.AmbiguousExtension)
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{
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this->Name = loc.Name;
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this->AmbiguousExtension = false;
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}
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}
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//----------------------------------------------------------------------------
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void cmSourceFileLocation::DirectoryUseSource()
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{
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if(this->AmbiguousDirectory)
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{
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this->Directory =
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cmSystemTools::CollapseFullPath(
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this->Directory.c_str(), this->Makefile->GetCurrentDirectory());
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this->AmbiguousDirectory = false;
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}
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}
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//----------------------------------------------------------------------------
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void cmSourceFileLocation::DirectoryUseBinary()
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{
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if(this->AmbiguousDirectory)
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{
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this->Directory =
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cmSystemTools::CollapseFullPath(
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this->Directory.c_str(), this->Makefile->GetCurrentOutputDirectory());
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this->AmbiguousDirectory = false;
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}
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}
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//----------------------------------------------------------------------------
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void cmSourceFileLocation::UpdateExtension(const char* name)
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{
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// Check the extension.
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std::string ext = cmSystemTools::GetFilenameLastExtension(name);
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if(!ext.empty()) { ext = ext.substr(1); }
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// The global generator checks extensions of enabled languages.
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cmGlobalGenerator* gg =
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this->Makefile->GetLocalGenerator()->GetGlobalGenerator();
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cmMakefile const* mf = this->Makefile;
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const std::vector<std::string>& srcExts = mf->GetSourceExtensions();
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const std::vector<std::string>& hdrExts = mf->GetHeaderExtensions();
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if(gg->GetLanguageFromExtension(ext.c_str()) ||
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std::find(srcExts.begin(), srcExts.end(), ext) != srcExts.end() ||
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std::find(hdrExts.begin(), hdrExts.end(), ext) != hdrExts.end())
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{
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// This is a known extension. Use the given filename with extension.
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this->Name = cmSystemTools::GetFilenameName(name);
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this->AmbiguousExtension = false;
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}
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else
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{
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// This is not a known extension. See if the file exists on disk as
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// named.
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std::string tryPath;
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if(this->AmbiguousDirectory)
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{
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// Check the source tree only because a file in the build tree should
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// be specified by full path at least once. We do not want this
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// detection to depend on whether the project has already been built.
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tryPath = this->Makefile->GetCurrentDirectory();
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tryPath += "/";
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}
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if(!this->Directory.empty())
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{
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tryPath += this->Directory;
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tryPath += "/";
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}
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tryPath += this->Name;
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if(cmSystemTools::FileExists(tryPath.c_str(), true))
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{
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// We found a source file named by the user on disk. Trust it's
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// extension.
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this->Name = cmSystemTools::GetFilenameName(name);
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this->AmbiguousExtension = false;
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// If the directory was ambiguous, it isn't anymore.
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if(this->AmbiguousDirectory)
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{
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this->DirectoryUseSource();
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}
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}
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}
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}
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//----------------------------------------------------------------------------
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void cmSourceFileLocation::UpdateDirectory(const char* name)
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{
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// If a full path was given we know the directory.
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if(cmSystemTools::FileIsFullPath(name))
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{
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this->Directory = cmSystemTools::GetFilenamePath(name);
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this->AmbiguousDirectory = false;
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}
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}
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//----------------------------------------------------------------------------
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bool
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cmSourceFileLocation
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::MatchesAmbiguousExtension(cmSourceFileLocation const& loc) const
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{
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// This location's extension is not ambiguous but loc's extension
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// is. See if the names match as-is.
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if(this->Name == loc.Name)
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{
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return true;
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}
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// Check if loc's name could possibly be extended to our name by
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// adding an extension.
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if(!(this->Name.size() > loc.Name.size() &&
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this->Name.substr(0, loc.Name.size()) == loc.Name &&
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this->Name[loc.Name.size()] == '.'))
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{
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return false;
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}
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// Only a fixed set of extensions will be tried to match a file on
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// disk. One of these must match if loc refers to this source file.
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std::string ext = this->Name.substr(loc.Name.size()+1);
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cmMakefile const* mf = this->Makefile;
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const std::vector<std::string>& srcExts = mf->GetSourceExtensions();
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if(std::find(srcExts.begin(), srcExts.end(), ext) != srcExts.end())
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{
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return true;
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}
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const std::vector<std::string>& hdrExts = mf->GetHeaderExtensions();
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if(std::find(hdrExts.begin(), hdrExts.end(), ext) != hdrExts.end())
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{
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return true;
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}
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return false;
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}
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//----------------------------------------------------------------------------
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bool cmSourceFileLocation::Matches(cmSourceFileLocation const& loc)
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{
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if(this->AmbiguousExtension && loc.AmbiguousExtension)
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{
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// Both extensions are ambiguous. Since only the old fixed set of
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// extensions will be tried, the names must match at this point to
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// be the same file.
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if(this->Name != loc.Name)
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{
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return false;
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}
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}
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else if(this->AmbiguousExtension)
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{
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// Only "this" extension is ambiguous.
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if(!loc.MatchesAmbiguousExtension(*this))
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{
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return false;
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}
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}
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else if(loc.AmbiguousExtension)
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{
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// Only "loc" extension is ambiguous.
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if(!this->MatchesAmbiguousExtension(loc))
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{
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return false;
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}
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}
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else
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{
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// Neither extension is ambiguous.
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if(this->Name != loc.Name)
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{
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return false;
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}
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}
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if(!this->AmbiguousDirectory && !loc.AmbiguousDirectory)
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{
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// Both sides have absolute directories.
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if(this->Directory != loc.Directory)
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{
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return false;
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}
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}
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else if(this->AmbiguousDirectory && loc.AmbiguousDirectory &&
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this->Makefile == loc.Makefile)
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{
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// Both sides have directories relative to the same location.
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if(this->Directory != loc.Directory)
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{
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return false;
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}
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}
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else if(this->AmbiguousDirectory && loc.AmbiguousDirectory)
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{
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// Each side has a directory relative to a different location.
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// This can occur when referencing a source file from a different
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// directory. This is not yet allowed.
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this->Makefile->IssueMessage(
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cmake::INTERNAL_ERROR,
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"Matches error: Each side has a directory relative to a different "
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"location. This can occur when referencing a source file from a "
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"different directory. This is not yet allowed."
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);
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return false;
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}
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else if(this->AmbiguousDirectory)
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{
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// Compare possible directory combinations.
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std::string srcDir =
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cmSystemTools::CollapseFullPath(
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this->Directory.c_str(), this->Makefile->GetCurrentDirectory());
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std::string binDir =
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cmSystemTools::CollapseFullPath(
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this->Directory.c_str(), this->Makefile->GetCurrentOutputDirectory());
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if(srcDir != loc.Directory &&
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binDir != loc.Directory)
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{
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return false;
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}
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}
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else if(loc.AmbiguousDirectory)
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{
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// Compare possible directory combinations.
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std::string srcDir =
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cmSystemTools::CollapseFullPath(
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loc.Directory.c_str(), loc.Makefile->GetCurrentDirectory());
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std::string binDir =
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cmSystemTools::CollapseFullPath(
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loc.Directory.c_str(), loc.Makefile->GetCurrentOutputDirectory());
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if(srcDir != this->Directory &&
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binDir != this->Directory)
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{
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return false;
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}
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}
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// File locations match.
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this->Update(loc);
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return true;
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}
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