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118 lines
4.0 KiB
C++
118 lines
4.0 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 cmGetPropertyCommand_h
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#define cmGetPropertyCommand_h
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#include "cmCommand.h"
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class cmGetPropertyCommand : public cmCommand
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{
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public:
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cmGetPropertyCommand();
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virtual cmCommand* Clone()
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{
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return new cmGetPropertyCommand;
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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 input file.
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*/
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virtual bool InitialPass(std::vector<std::string> const& args,
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cmExecutionStatus &status);
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/**
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* This determines if the command is invoked when in script mode.
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*/
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virtual bool IsScriptable() const { return true; }
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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() const { return "get_property";}
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/**
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* Succinct documentation.
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*/
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virtual const char* GetTerseDocumentation() const
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{
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return "Get a property.";
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}
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/**
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* Longer documentation.
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*/
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virtual const char* GetFullDocumentation() const
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{
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return
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" get_property(<variable>\n"
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" <GLOBAL |\n"
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" DIRECTORY [dir] |\n"
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" TARGET <target> |\n"
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" SOURCE <source> |\n"
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" TEST <test> |\n"
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" CACHE <entry> |\n"
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" VARIABLE>\n"
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" PROPERTY <name>\n"
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" [SET | DEFINED | BRIEF_DOCS | FULL_DOCS])\n"
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"Get one property from one object in a scope. "
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"The first argument specifies the variable in which to store the "
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"result. "
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"The second argument determines the scope from which to get the "
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"property. It must be one of the following:\n"
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"GLOBAL scope is unique and does not accept a name.\n"
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"DIRECTORY scope defaults to the current directory but another "
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"directory (already processed by CMake) may be named by full or "
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"relative path.\n"
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"TARGET scope must name one existing target.\n"
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"SOURCE scope must name one source file.\n"
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"TEST scope must name one existing test.\n"
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"CACHE scope must name one cache entry.\n"
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"VARIABLE scope is unique and does not accept a name.\n"
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"The required PROPERTY option is immediately followed by the name "
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"of the property to get. "
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"If the property is not set an empty value is returned. "
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"If the SET option is given the variable is set to a boolean "
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"value indicating whether the property has been set. "
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"If the DEFINED option is given the variable is set to a boolean "
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"value indicating whether the property has been defined "
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"such as with define_property. "
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"If BRIEF_DOCS or FULL_DOCS is given then the variable is set to "
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"a string containing documentation for the requested property. "
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"If documentation is requested for a property that has not been "
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"defined NOTFOUND is returned.";
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}
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cmTypeMacro(cmGetPropertyCommand, cmCommand);
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private:
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enum OutType { OutValue, OutDefined, OutBriefDoc, OutFullDoc, OutSet };
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std::string Variable;
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std::string Name;
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std::string PropertyName;
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OutType InfoType;
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// Implementation of result storage.
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bool StoreResult(const char* value);
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// Implementation of each property type.
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bool HandleGlobalMode();
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bool HandleDirectoryMode();
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bool HandleTargetMode();
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bool HandleSourceMode();
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bool HandleTestMode();
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bool HandleVariableMode();
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bool HandleCacheMode();
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};
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#endif
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