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259 lines
8.3 KiB
C++
259 lines
8.3 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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// This class represents a cmake invocation. It is the top level class when
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// running cmake. Most cmake based GUIS should primarily create an instance
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// of this class and communicate with it.
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//
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// The basic process for a GUI is as follows:
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//
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// 1) Create a cmake instance
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// 2) Set the Home & Start directories, generator, and cmake command. this
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// can be done using the Set methods or by using SetArgs and passing in
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// command line arguments.
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// 3) Load the cache by calling LoadCache (duh)
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// 4) if you are using command line arguments with -D or -C flags then
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// call SetCacheArgs (or if for some other reason you want to modify the
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// cache, do it now.
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// 5) Finally call Configure
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// 6) Let the user change values and go back to step 5
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// 7) call Generate
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//
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// If your GUI allows the user to change the start & home directories then
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// you must at a minimum redo steps 2 through 7.
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//
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#include "cmStandardIncludes.h"
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#include "cmSystemTools.h"
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class cmGlobalGenerator;
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class cmLocalGenerator;
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class cmCacheManager;
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class cmMakefile;
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class cmCommand;
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class cmake
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{
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public:
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///! construct an instance of cmake
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cmake();
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///! destruct an instance of cmake
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~cmake();
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/**
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* Return major and minor version numbers for cmake.
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*/
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static unsigned int GetMajorVersion();
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static unsigned int GetMinorVersion();
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static const char *GetReleaseVersion();
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//@{
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/**
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* Set/Get the home directory (or output directory) in the project. The
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* home directory is the top directory of the project. It is where
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* cmake was run. Remember that CMake processes
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* CMakeLists files by recursing up the tree starting at the StartDirectory
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* and going up until it reaches the HomeDirectory.
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*/
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void SetHomeDirectory(const char* dir);
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const char* GetHomeDirectory() const
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{
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return m_cmHomeDirectory.c_str();
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}
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void SetHomeOutputDirectory(const char* lib);
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const char* GetHomeOutputDirectory() const
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{
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return m_HomeOutputDirectory.c_str();
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}
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//@}
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//@{
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/**
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* Set/Get the start directory (or output directory). The start directory
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* is the directory of the CMakeLists.txt file that started the current
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* round of processing. Remember that CMake processes CMakeLists files by
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* recursing up the tree starting at the StartDirectory and going up until
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* it reaches the HomeDirectory.
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*/
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void SetStartDirectory(const char* dir)
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{
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m_cmStartDirectory = dir;
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cmSystemTools::ConvertToUnixSlashes(m_cmStartDirectory);
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}
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const char* GetStartDirectory() const
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{
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return m_cmStartDirectory.c_str();
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}
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void SetStartOutputDirectory(const char* lib)
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{
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m_StartOutputDirectory = lib;
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cmSystemTools::ConvertToUnixSlashes(m_StartOutputDirectory);
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}
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const char* GetStartOutputDirectory() const
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{
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return m_StartOutputDirectory.c_str();
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}
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//@}
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/**
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* Dump documentation to a file. If 0 is returned, the
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* operation failed.
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*/
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int DumpDocumentationToFile(std::ostream&);
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/**
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* Handle a command line invocation of cmake.
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*/
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int Run(const std::vector<std::string>&args);
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/**
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* Generate the SourceFilesList from the SourceLists. This should only be
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* done once to be safe. The argument is a list of command line
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* arguments. The first argument should be the name or full path
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* to the command line version of cmake. For building a GUI,
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* you would pass in the following arguments:
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* /path/to/cmake -H/path/to/source -B/path/to/build
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* If you only want to parse the CMakeLists.txt files,
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* but not actually generate the makefiles, use buildMakefiles = false.
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*/
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int Generate();
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/**
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* Configure the cmMakefiles. This routine will create a GlobalGenerator if
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* one has not already been set. It will then Call Configure on the
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* GlobalGenerator. This in turn will read in an process all the CMakeList
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* files for the tree. It will not produce any actual Makefiles, or
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* workspaces. Generate does that. */
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int Configure();
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/**
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* Configure the cmMakefiles. This routine will create a GlobalGenerator if
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* one has not already been set. It will then Call Configure on the
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* GlobalGenerator. This in turn will read in an process all the CMakeList
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* files for the tree. It will not produce any actual Makefiles, or
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* workspaces. Generate does that. */
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int LoadCache();
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///! Create a GlobalGenerator
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cmGlobalGenerator* CreateGlobalGenerator(const char* name);
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///! Return the global generator assigned to this instance of cmake
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cmGlobalGenerator* GetGlobalGenerator() { return m_GlobalGenerator; };
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///! Return the global generator assigned to this instance of cmake
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void SetGlobalGenerator(cmGlobalGenerator *);
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///! Get the names of the current registered generators
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void GetRegisteredGenerators(std::vector<std::string>& names);
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///! get the cmCachemManager used by this invocation of cmake
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cmCacheManager *GetCacheManager() { return m_CacheManager; }
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///! set the cmake command this instance of cmake should use
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void SetCMakeCommand(const char* cmd) { m_CMakeCommand = cmd; }
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/**
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* Given a variable name, return its value (as a string).
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*/
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const char* GetCacheDefinition(const char*) const;
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/**
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* Execute commands during the build process. Supports options such
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* as echo, remove file etc.
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*/
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static int CMakeCommand(std::vector<std::string>&);
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/**
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* Add a command to this cmake instance
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*/
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void AddCommand(cmCommand* );
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/**
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* Get a command by its name
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*/
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cmCommand *GetCommand(const char *name);
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/** Check if a command exists. */
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bool CommandExists(const char* name) const;
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/**
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* Is cmake in the process of a local cmake invocation. If so, we know the
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* cache is already configured and ready to go.
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*/
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bool GetLocal() { return m_Local; }
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///! Display command line useage
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void Usage(const char *program);
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///! Parse command line arguments
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void SetArgs(const std::vector<std::string>&);
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///! Is this cmake running as a result of a TRY_COMPILE command
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bool GetIsInTryCompile() { return m_InTryCompile; }
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///! Is this cmake running as a result of a TRY_COMPILE command
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void SetIsInTryCompile(bool i) { m_InTryCompile = i; }
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///! Parse command line arguments that might set cache values
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void SetCacheArgs(const std::vector<std::string>&);
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typedef void (*ProgressCallback)(const char*msg, float progress, void *);
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/**
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* Set the function used by GUI's to receive progress updates
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* Function gets passed: message as a const char*, a progress
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* amount ranging from 0 to 1.0 and client data. The progress
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* number provided may be negative in cases where a message is
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* to be displayed without any progress percentage.
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*/
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void SetProgressCallback(ProgressCallback f, void* clientData=0);
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///! this is called by generators to update the progress
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void UpdateProgress(const char *msg, float prog);
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protected:
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typedef std::map<cmStdString, cmCommand*> RegisteredCommandsMap;
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RegisteredCommandsMap m_Commands;
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void AddDefaultCommands();
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cmGlobalGenerator *m_GlobalGenerator;
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cmCacheManager *m_CacheManager;
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std::string m_cmHomeDirectory;
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std::string m_HomeOutputDirectory;
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std::string m_cmStartDirectory;
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std::string m_StartOutputDirectory;
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///! read in a cmake list file to initialize the cache
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void ReadListFile(const char *path);
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///! used by Run
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int LocalGenerate();
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/**
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* Generate CMAKE_ROOT and CMAKE_COMMAND cache entries
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*/
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int AddCMakePaths(const char *arg0);
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private:
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ProgressCallback m_ProgressCallback;
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void* m_ProgressCallbackClientData;
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bool m_Verbose;
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bool m_Local;
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bool m_InTryCompile;
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std::string m_CMakeCommand;
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};
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