ENH: Start working on a general file manipulation command
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@ -34,6 +34,7 @@
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#include "cmEndForEachCommand.cxx"
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#include "cmEndIfCommand.cxx"
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#include "cmExecProgramCommand.cxx"
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#include "cmFileCommand.cxx"
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#include "cmFindFileCommand.cxx"
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#include "cmFindLibraryCommand.cxx"
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#include "cmFindPackageCommand.cxx"
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@ -125,6 +126,7 @@ void GetPredefinedCommands(std::list<cmCommand*>& commands)
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commands.push_back(new cmEndForEachCommand);
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commands.push_back(new cmEndIfCommand);
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commands.push_back(new cmExecProgramCommand);
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commands.push_back(new cmFileCommand);
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commands.push_back(new cmFindFileCommand);
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commands.push_back(new cmFindLibraryCommand);
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commands.push_back(new cmFindPackageCommand);
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@ -0,0 +1,113 @@
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/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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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 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html 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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#include "cmFileCommand.h"
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// cmLibraryCommand
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bool cmFileCommand::InitialPass(std::vector<std::string> const& args)
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{
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if(args.size() < 2 )
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{
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this->SetError("must be called with at least two arguments.");
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return false;
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}
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std::string subCommand = args[0];
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if ( subCommand == "WRITE" )
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{
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return this->HandleWriteCommand(args, false);
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}
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else if ( subCommand == "APPEND" )
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{
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return this->HandleWriteCommand(args, true);
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}
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else if ( subCommand == "READ" )
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{
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return this->HandleReadCommand(args);
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}
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std::string e = "does not recognize sub-command "+subCommand;
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this->SetError(e.c_str());
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return true;
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}
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//----------------------------------------------------------------------------
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bool cmFileCommand::HandleWriteCommand(std::vector<std::string> const& args,
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bool append)
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{
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std::string message;
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std::vector<std::string>::const_iterator i = args.begin();
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i++; // Get rid of subcommand
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std::string fileName = *i;
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i++;
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for(;i != args.end(); ++i)
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{
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message += *i;
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}
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std::string dir = cmSystemTools::GetFilenamePath(fileName);
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cmSystemTools::MakeDirectory(dir.c_str());
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std::ofstream file(fileName.c_str(), append?std::ios::app: std::ios::out);
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if ( !file )
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{
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std::string error = "Internal CMake error when trying to open file: ";
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error += fileName.c_str();
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error += " for writting.";
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this->SetError(error.c_str());
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return false;
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}
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file << message << std::endl;
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file.close();
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return true;
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}
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//----------------------------------------------------------------------------
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bool cmFileCommand::HandleReadCommand(std::vector<std::string> const& args)
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{
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if ( args.size() != 3 )
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{
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this->SetError("READ must be called with two additional arguments");
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}
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std::string fileName = args[1];
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std::string variable = args[2];
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std::ifstream file(fileName.c_str(), std::ios::in);
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if ( !file )
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{
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std::string error = "Internal CMake error when trying to open file: ";
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error += fileName.c_str();
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error += " for reading.";
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this->SetError(error.c_str());
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return false;
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}
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std::string output;
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std::string line;
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bool has_newline = false;
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while ( cmSystemTools::GetLineFromStream(file, line, &has_newline) )
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{
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output += line;
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if ( has_newline )
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{
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output += "\n";
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}
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}
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m_Makefile->AddDefinition(variable.c_str(), output.c_str());
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return true;
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}
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@ -0,0 +1,88 @@
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/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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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 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html 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 cmFileCommand_h
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#define cmFileCommand_h
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#include "cmStandardIncludes.h"
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#include "cmCommand.h"
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/** \class cmFileCommand
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* \brief Command for manipulation of files
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*
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*/
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class cmFileCommand : 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 cmFileCommand;
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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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* 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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* The name of the command as specified in CMakeList.txt.
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*/
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virtual const char* GetName() { return "FILE";}
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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 "File manipulation command.";
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}
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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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" FILE(WRITE filename \"message to write\"... )\n"
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" FILE(APPEND filename \"message to write\"... )\n"
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" FILE(READ filename variable)\n"
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"WRITE will write a message into a file called 'filename'. It "
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"overwrites the file if it already exists, and creates the file "
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"if it does not exists.\n\n"
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"APPEND will write a message into a file same as WRITE, except "
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"it will append it to the end of the file\n\n"
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"READ will read the content of a file and store it into a "
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"variable.\n\n"; }
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cmTypeMacro(cmFileCommand, cmCommand);
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protected:
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bool HandleWriteCommand(std::vector<std::string> const& args, bool append);
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bool HandleReadCommand(std::vector<std::string> const& args);
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};
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#endif
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