260 строки
8.7 KiB
C++
260 строки
8.7 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 "cmAlgorithms.h"
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#include "cmGlobalGenerator.h"
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#include "cmMakefile.h"
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#include "cmSystemTools.h"
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#include "assert.h"
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cmSourceFileLocation::cmSourceFileLocation()
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: Makefile(0)
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, AmbiguousDirectory(true)
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, AmbiguousExtension(true)
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{
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}
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cmSourceFileLocation::cmSourceFileLocation(const cmSourceFileLocation& loc)
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: Makefile(loc.Makefile)
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{
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this->AmbiguousDirectory = loc.AmbiguousDirectory;
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this->AmbiguousExtension = loc.AmbiguousExtension;
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this->Directory = loc.Directory;
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this->Name = loc.Name;
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}
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cmSourceFileLocation& cmSourceFileLocation::operator=(
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const cmSourceFileLocation& loc)
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{
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if (this == &loc) {
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return *this;
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}
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this->Makefile = loc.Makefile;
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this->AmbiguousDirectory = loc.AmbiguousDirectory;
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this->AmbiguousExtension = loc.AmbiguousExtension;
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this->Directory = loc.Directory;
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this->Name = loc.Name;
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this->UpdateExtension(this->Name);
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return *this;
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}
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cmSourceFileLocation::cmSourceFileLocation(cmMakefile const* mf,
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const std::string& name)
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: Makefile(mf)
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{
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this->AmbiguousDirectory = !cmSystemTools::FileIsFullPath(name.c_str());
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this->AmbiguousExtension = true;
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this->Directory = cmSystemTools::GetFilenamePath(name);
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if (cmSystemTools::FileIsFullPath(this->Directory.c_str())) {
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this->Directory = cmSystemTools::CollapseFullPath(this->Directory);
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}
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this->Name = cmSystemTools::GetFilenameName(name);
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this->UpdateExtension(name);
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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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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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this->Name = loc.Name;
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this->AmbiguousExtension = false;
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}
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}
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void cmSourceFileLocation::DirectoryUseSource()
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{
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assert(this->Makefile);
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if (this->AmbiguousDirectory) {
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this->Directory = cmSystemTools::CollapseFullPath(
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this->Directory, this->Makefile->GetCurrentSourceDirectory());
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this->AmbiguousDirectory = false;
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}
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}
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void cmSourceFileLocation::DirectoryUseBinary()
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{
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assert(this->Makefile);
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if (this->AmbiguousDirectory) {
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this->Directory = cmSystemTools::CollapseFullPath(
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this->Directory, this->Makefile->GetCurrentBinaryDirectory());
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this->AmbiguousDirectory = false;
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}
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}
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void cmSourceFileLocation::UpdateExtension(const std::string& name)
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{
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assert(this->Makefile);
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// Check the extension.
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std::string ext = cmSystemTools::GetFilenameLastExtension(name);
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if (!ext.empty()) {
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ext = ext.substr(1);
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}
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// The global generator checks extensions of enabled languages.
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cmGlobalGenerator* gg = this->Makefile->GetGlobalGenerator();
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cmMakefile const* mf = this->Makefile;
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const std::vector<std::string>& srcExts =
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mf->GetCMakeInstance()->GetSourceExtensions();
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const std::vector<std::string>& hdrExts =
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mf->GetCMakeInstance()->GetHeaderExtensions();
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if (!gg->GetLanguageFromExtension(ext.c_str()).empty() ||
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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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// 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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} else {
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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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// 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->GetCurrentSourceDirectory();
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tryPath += "/";
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}
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if (!this->Directory.empty()) {
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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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// 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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this->DirectoryUseSource();
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}
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}
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}
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}
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bool cmSourceFileLocation::MatchesAmbiguousExtension(
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cmSourceFileLocation const& loc) const
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{
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assert(this->Makefile);
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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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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[loc.Name.size()] == '.' &&
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cmHasLiteralPrefixImpl(this->Name.c_str(), loc.Name.c_str(),
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loc.Name.size()))) {
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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 const& 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 =
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mf->GetCMakeInstance()->GetSourceExtensions();
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if (std::find(srcExts.begin(), srcExts.end(), ext) != srcExts.end()) {
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return true;
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}
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std::vector<std::string> hdrExts =
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mf->GetCMakeInstance()->GetHeaderExtensions();
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if (std::find(hdrExts.begin(), hdrExts.end(), ext) != hdrExts.end()) {
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return true;
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}
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return false;
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}
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bool cmSourceFileLocation::Matches(cmSourceFileLocation const& loc)
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{
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assert(this->Makefile);
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if (this->AmbiguousExtension == loc.AmbiguousExtension) {
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// Both extensions are similarly ambiguous. Since only the old fixed set
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// of extensions will be tried, the names must match at this point to be
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// the same file.
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if (this->Name.size() != loc.Name.size() ||
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!cmSystemTools::ComparePath(this->Name, loc.Name)) {
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return false;
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}
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} else {
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const cmSourceFileLocation* loc1;
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const cmSourceFileLocation* loc2;
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if (this->AmbiguousExtension) {
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// Only "this" extension is ambiguous.
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loc1 = &loc;
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loc2 = this;
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} else {
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// Only "loc" extension is ambiguous.
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loc1 = this;
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loc2 = &loc;
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}
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if (!loc1->MatchesAmbiguousExtension(*loc2)) {
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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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// Both sides have absolute directories.
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if (this->Directory != loc.Directory) {
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return false;
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}
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} else if (this->AmbiguousDirectory && loc.AmbiguousDirectory) {
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if (this->Makefile == loc.Makefile) {
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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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return false;
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}
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} else {
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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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return false;
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}
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} else if (this->AmbiguousDirectory) {
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// Compare possible directory combinations.
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std::string const& srcDir = cmSystemTools::CollapseFullPath(
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this->Directory, this->Makefile->GetCurrentSourceDirectory());
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std::string const& binDir = cmSystemTools::CollapseFullPath(
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this->Directory, this->Makefile->GetCurrentBinaryDirectory());
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if (srcDir != loc.Directory && binDir != loc.Directory) {
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return false;
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}
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} else if (loc.AmbiguousDirectory) {
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// Compare possible directory combinations.
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std::string const& srcDir = cmSystemTools::CollapseFullPath(
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loc.Directory, loc.Makefile->GetCurrentSourceDirectory());
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std::string const& binDir = cmSystemTools::CollapseFullPath(
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loc.Directory, loc.Makefile->GetCurrentBinaryDirectory());
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if (srcDir != this->Directory && binDir != this->Directory) {
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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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