113 lines
3.2 KiB
C++
113 lines
3.2 KiB
C++
/*=========================================================================
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Program: Insight Segmentation & Registration Toolkit
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2002 Insight Consortium. All rights reserved.
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See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#ifndef cmIfCommand_h
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#define cmIfCommand_h
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#include "cmStandardIncludes.h"
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#include "cmCommand.h"
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#include "cmFunctionBlocker.h"
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/** \class cmIfFunctionBlocker
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* \brief subclass of function blocker
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*
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*
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*/
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class cmIfFunctionBlocker : public cmFunctionBlocker
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{
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public:
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cmIfFunctionBlocker() {}
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virtual ~cmIfFunctionBlocker() {}
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virtual bool IsFunctionBlocked(const char *name,
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const std::vector<std::string> &args,
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cmMakefile &mf);
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virtual bool ShouldRemove(const char *name,
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const std::vector<std::string> &args,
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cmMakefile &mf);
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virtual void ScopeEnded(cmMakefile &mf);
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std::vector<std::string> m_Args;
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bool m_IsBlocking;
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};
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/** \class cmIfCommand
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* \brief starts an if block
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*
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* cmIfCommand starts an if block
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*/
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class cmIfCommand : public cmCommand
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{
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public:
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/**
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* This is a virtual constructor for the command.
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*/
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virtual cmCommand* Clone()
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{
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return new cmIfCommand;
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}
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/**
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* This is called when the command is first encountered in
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* the CMakeLists.txt file.
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*/
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virtual bool InitialPass(std::vector<std::string> const& args);
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/**
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* The name of the command as specified in CMakeList.txt.
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*/
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virtual const char* GetName() { return "IF";}
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/**
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* Succinct documentation.
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*/
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virtual const char* GetTerseDocumentation()
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{
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return "start an if block";
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}
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/**
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* This determines if the command gets propagated down
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* to makefiles located in subdirectories.
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*/
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virtual bool IsInherited() {return true;}
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/**
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* More documentation.
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*/
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virtual const char* GetFullDocumentation()
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{
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return
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"IF (define) Starts an if block. Optionally it can be invoked "
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"using (NOT define) (def AND def2) (def OR def2) (def MATCHES def2) "
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"(COMMAND cmd) (EXISTS file) MATCHES checks if def matches the "
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"regular expression def2. COMMAND checks if the cmake command cmd "
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"is in this cmake executable. EXISTS file checks if file exists."
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"Additionally you can do comparisons using LESS GREATER STRLESS "
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"and STRGREATER. LESS and GREATER do numeric comparison while "
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"STRLESS and STRGREATER do string comparisons.";
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}
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// this is a shared function for both If and Else to determine if
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// the arguments were valid, and if so, was the response true
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static bool IsTrue(const std::vector<std::string> &args,
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bool &isValid, const cmMakefile *mf);
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cmTypeMacro(cmIfCommand, cmCommand);
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};
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#endif
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