102 lines
3.3 KiB
C++
102 lines
3.3 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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#ifndef cmSourceFileLocation_h
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#define cmSourceFileLocation_h
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#include "cmStandardIncludes.h"
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class cmMakefile;
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/** \class cmSourceFileLocation
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* \brief cmSourceFileLocation tracks knowledge about a source file location
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*
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* Source files can be referenced by a variety of names. The
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* directory and/or extension may be omitted leading to a certain
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* level of ambiguity about the source file location. This class is
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* used by cmSourceFile to keep track of what is known about the
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* source file location. Each reference may add some information
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* about the directory or extension of the file.
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*/
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class cmSourceFileLocation
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{
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public:
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/**
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* Construct for a source file created in a given cmMakefile
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* instance with an initial name.
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*/
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cmSourceFileLocation(cmMakefile* mf, const char* name);
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/**
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* Return whether the givne source file location could refers to the
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* same source file as this location given the level of ambiguity in
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* each location.
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*/
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bool Matches(cmSourceFileLocation const& loc);
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/**
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* Explicity state that the source file is located in the source tree.
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*/
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void DirectoryUseSource();
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/**
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* Explicity state that the source file is located in the build tree.
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*/
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void DirectoryUseBinary();
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/**
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* Return whether the directory containing the source is ambiguous.
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*/
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bool DirectoryIsAmbiguous() const { return this->AmbiguousDirectory; }
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/**
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* Return whether the extension of the source name is ambiguous.
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*/
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bool ExtensionIsAmbiguous() const { return this->AmbiguousExtension; }
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/**
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* Get the directory containing the file as best is currently known.
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* If DirectoryIsAmbiguous() returns false this will be a full path.
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* Otherwise it will be a relative path (possibly empty) that is
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* either with respect to the source or build tree.
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*/
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const char* GetDirectory() const { return this->Directory.c_str(); }
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/**
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* Get the file name as best is currently known. If
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* ExtensionIsAmbiguous() returns true this name may not be the
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* final name (but could be). Otherwise the returned name is the
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* final name.
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*/
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const char* GetName() const { return this->Name.c_str(); }
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/**
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* Get the cmMakefile instance for which the source file was created.
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*/
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cmMakefile* GetMakefile() const { return this->Makefile; }
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private:
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cmMakefile* Makefile;
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bool AmbiguousDirectory;
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bool AmbiguousExtension;
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std::string Directory;
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std::string Name;
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bool MatchesAmbiguousExtension(cmSourceFileLocation const& loc) const;
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// Update the location with additional knowledge.
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void Update(cmSourceFileLocation const& loc);
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void Update(const char* name);
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void UpdateExtension(const char* name);
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void UpdateDirectory(const char* name);
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};
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#endif
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