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760 lines
20 KiB
760 lines
20 KiB
/*============================================================================
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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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#include "cmStringCommand.h"
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#include <cmsys/RegularExpression.hxx>
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#include <cmsys/SystemTools.hxx>
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#include <stdlib.h> // required for atoi
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#include <ctype.h>
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#include <time.h>
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//----------------------------------------------------------------------------
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bool cmStringCommand
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::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
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{
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if(args.size() < 1)
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{
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this->SetError("must be called with at least one argument.");
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return false;
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}
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const std::string &subCommand = args[0];
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if(subCommand == "REGEX")
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{
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return this->HandleRegexCommand(args);
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}
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else if(subCommand == "REPLACE")
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{
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return this->HandleReplaceCommand(args);
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}
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else if(subCommand == "TOLOWER")
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{
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return this->HandleToUpperLowerCommand(args, false);
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}
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else if(subCommand == "TOUPPER")
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{
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return this->HandleToUpperLowerCommand(args, true);
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}
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else if(subCommand == "COMPARE")
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{
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return this->HandleCompareCommand(args);
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}
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else if(subCommand == "ASCII")
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{
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return this->HandleAsciiCommand(args);
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}
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else if(subCommand == "CONFIGURE")
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{
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return this->HandleConfigureCommand(args);
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}
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else if(subCommand == "LENGTH")
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{
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return this->HandleLengthCommand(args);
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}
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else if(subCommand == "SUBSTRING")
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{
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return this->HandleSubstringCommand(args);
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}
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else if(subCommand == "STRIP")
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{
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return this->HandleStripCommand(args);
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}
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else if(subCommand == "RANDOM")
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{
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return this->HandleRandomCommand(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 false;
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}
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//----------------------------------------------------------------------------
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bool cmStringCommand::HandleToUpperLowerCommand(
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std::vector<std::string> const& args, bool toUpper)
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{
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if ( args.size() < 3 )
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{
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this->SetError("no output variable specified");
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return false;
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}
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std::string outvar = args[2];
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std::string output;
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if (toUpper)
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{
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output = cmSystemTools::UpperCase(args[1]);
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}
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else
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{
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output = cmSystemTools::LowerCase(args[1]);
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}
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// Store the output in the provided variable.
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this->Makefile->AddDefinition(outvar.c_str(), output.c_str());
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return true;
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}
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//----------------------------------------------------------------------------
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bool cmStringCommand::HandleAsciiCommand(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("No output variable specified");
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return false;
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}
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std::string::size_type cc;
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std::string outvar = args[args.size()-1];
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std::string output = "";
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for ( cc = 1; cc < args.size()-1; cc ++ )
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{
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int ch = atoi(args[cc].c_str());
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if ( ch > 0 && ch < 256 )
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{
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output += static_cast<char>(ch);
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}
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else
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{
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std::string error = "Character with code ";
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error += args[cc];
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error += " does not exist.";
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this->SetError(error.c_str());
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return false;
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}
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}
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// Store the output in the provided variable.
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this->Makefile->AddDefinition(outvar.c_str(), output.c_str());
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return true;
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}
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//----------------------------------------------------------------------------
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bool cmStringCommand::HandleConfigureCommand(
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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("No input string specified.");
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return false;
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}
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else if ( args.size() < 3 )
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{
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this->SetError("No output variable specified.");
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return false;
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}
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// Parse options.
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bool escapeQuotes = false;
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bool atOnly = false;
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for(unsigned int i = 3; i < args.size(); ++i)
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{
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if(args[i] == "@ONLY")
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{
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atOnly = true;
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}
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else if(args[i] == "ESCAPE_QUOTES")
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{
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escapeQuotes = true;
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}
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else
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{
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cmOStringStream err;
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err << "Unrecognized argument \"" << args[i] << "\"";
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this->SetError(err.str().c_str());
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return false;
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}
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}
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// Configure the string.
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std::string output;
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this->Makefile->ConfigureString(args[1], output, atOnly, escapeQuotes);
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// Store the output in the provided variable.
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this->Makefile->AddDefinition(args[2].c_str(), output.c_str());
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return true;
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}
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//----------------------------------------------------------------------------
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bool cmStringCommand::HandleRegexCommand(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("sub-command REGEX requires a mode to be specified.");
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return false;
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}
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std::string mode = args[1];
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if(mode == "MATCH")
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{
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if(args.size() < 5)
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{
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this->SetError("sub-command REGEX, mode MATCH needs "
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"at least 5 arguments total to command.");
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return false;
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}
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return this->RegexMatch(args);
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}
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else if(mode == "MATCHALL")
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{
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if(args.size() < 5)
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{
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this->SetError("sub-command REGEX, mode MATCHALL needs "
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"at least 5 arguments total to command.");
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return false;
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}
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return this->RegexMatchAll(args);
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}
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else if(mode == "REPLACE")
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{
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if(args.size() < 6)
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{
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this->SetError("sub-command REGEX, mode REPLACE needs "
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"at least 6 arguments total to command.");
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return false;
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}
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return this->RegexReplace(args);
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}
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std::string e = "sub-command REGEX does not recognize mode "+mode;
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this->SetError(e.c_str());
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return false;
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}
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//----------------------------------------------------------------------------
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bool cmStringCommand::RegexMatch(std::vector<std::string> const& args)
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{
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//"STRING(REGEX MATCH <regular_expression> <output variable>
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// <input> [<input>...])\n";
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std::string regex = args[2];
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std::string outvar = args[3];
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// Concatenate all the last arguments together.
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std::string input = args[4];
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for(unsigned int i=5; i < args.size(); ++i)
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{
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input += args[i];
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}
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this->ClearMatches(this->Makefile);
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// Compile the regular expression.
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cmsys::RegularExpression re;
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if(!re.compile(regex.c_str()))
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{
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std::string e =
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"sub-command REGEX, mode MATCH failed to compile regex \""+regex+"\".";
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this->SetError(e.c_str());
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return false;
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}
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// Scan through the input for all matches.
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std::string output;
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if(re.find(input.c_str()))
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{
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this->StoreMatches(this->Makefile, re);
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std::string::size_type l = re.start();
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std::string::size_type r = re.end();
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if(r-l == 0)
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{
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std::string e =
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"sub-command REGEX, mode MATCH regex \""+regex+
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"\" matched an empty string.";
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this->SetError(e.c_str());
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return false;
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}
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output = input.substr(l, r-l);
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}
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// Store the output in the provided variable.
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this->Makefile->AddDefinition(outvar.c_str(), output.c_str());
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return true;
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}
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//----------------------------------------------------------------------------
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bool cmStringCommand::RegexMatchAll(std::vector<std::string> const& args)
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{
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//"STRING(REGEX MATCHALL <regular_expression> <output variable> <input>
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// [<input>...])\n";
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std::string regex = args[2];
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std::string outvar = args[3];
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// Concatenate all the last arguments together.
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std::string input = args[4];
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for(unsigned int i=5; i < args.size(); ++i)
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{
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input += args[i];
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}
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this->ClearMatches(this->Makefile);
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// Compile the regular expression.
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cmsys::RegularExpression re;
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if(!re.compile(regex.c_str()))
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{
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std::string e =
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"sub-command REGEX, mode MATCHALL failed to compile regex \""+
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regex+"\".";
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this->SetError(e.c_str());
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return false;
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}
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// Scan through the input for all matches.
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std::string output;
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const char* p = input.c_str();
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while(re.find(p))
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{
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this->StoreMatches(this->Makefile, re);
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std::string::size_type l = re.start();
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std::string::size_type r = re.end();
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if(r-l == 0)
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{
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std::string e = "sub-command REGEX, mode MATCHALL regex \""+
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regex+"\" matched an empty string.";
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this->SetError(e.c_str());
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return false;
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}
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if(output.length() > 0)
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{
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output += ";";
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}
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output += std::string(p+l, r-l);
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p += r;
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}
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// Store the output in the provided variable.
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this->Makefile->AddDefinition(outvar.c_str(), output.c_str());
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return true;
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}
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//----------------------------------------------------------------------------
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bool cmStringCommand::RegexReplace(std::vector<std::string> const& args)
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{
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//"STRING(REGEX REPLACE <regular_expression> <replace_expression>
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// <output variable> <input> [<input>...])\n"
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std::string regex = args[2];
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std::string replace = args[3];
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std::string outvar = args[4];
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// Pull apart the replace expression to find the escaped [0-9] values.
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std::vector<RegexReplacement> replacement;
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std::string::size_type l = 0;
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while(l < replace.length())
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{
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std::string::size_type r = replace.find("\\", l);
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if(r == std::string::npos)
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{
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r = replace.length();
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replacement.push_back(replace.substr(l, r-l));
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}
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else
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{
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if(r-l > 0)
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{
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replacement.push_back(replace.substr(l, r-l));
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}
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if(r == (replace.length()-1))
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{
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this->SetError("sub-command REGEX, mode REPLACE: "
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"replace-expression ends in a backslash.");
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return false;
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}
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if((replace[r+1] >= '0') && (replace[r+1] <= '9'))
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{
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replacement.push_back(replace[r+1]-'0');
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}
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else if(replace[r+1] == 'n')
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{
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replacement.push_back("\n");
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}
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else if(replace[r+1] == '\\')
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{
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replacement.push_back("\\");
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}
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else
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{
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std::string e = "sub-command REGEX, mode REPLACE: Unknown escape \"";
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e += replace.substr(r, 2);
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e += "\"in replace-expression.";
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this->SetError(e.c_str());
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return false;
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}
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r += 2;
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}
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l = r;
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}
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// Concatenate all the last arguments together.
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std::string input = args[5];
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for(unsigned int i=6; i < args.size(); ++i)
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{
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input += args[i];
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}
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this->ClearMatches(this->Makefile);
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// Compile the regular expression.
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cmsys::RegularExpression re;
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if(!re.compile(regex.c_str()))
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{
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std::string e =
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"sub-command REGEX, mode REPLACE failed to compile regex \""+
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regex+"\".";
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this->SetError(e.c_str());
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return false;
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}
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// Scan through the input for all matches.
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std::string output;
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std::string::size_type base = 0;
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while(re.find(input.c_str()+base))
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{
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this->StoreMatches(this->Makefile, re);
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std::string::size_type l2 = re.start();
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std::string::size_type r = re.end();
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// Concatenate the part of the input that was not matched.
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output += input.substr(base, l2);
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// Make sure the match had some text.
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if(r-l2 == 0)
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{
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std::string e = "sub-command REGEX, mode REPLACE regex \""+
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regex+"\" matched an empty string.";
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this->SetError(e.c_str());
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return false;
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}
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// Concatenate the replacement for the match.
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for(unsigned int i=0; i < replacement.size(); ++i)
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{
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if(replacement[i].number < 0)
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{
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// This is just a plain-text part of the replacement.
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output += replacement[i].value;
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}
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else
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{
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// Replace with part of the match.
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int n = replacement[i].number;
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std::string::size_type start = re.start(n);
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std::string::size_type end = re.end(n);
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std::string::size_type len = input.length()-base;
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if((start != std::string::npos) && (end != std::string::npos) &&
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(start <= len) && (end <= len))
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{
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output += input.substr(base+start, end-start);
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}
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else
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{
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std::string e =
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"sub-command REGEX, mode REPLACE: replace expression \""+
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replace+"\" contains an out-of-range escape for regex \""+
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regex+"\".";
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this->SetError(e.c_str());
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return false;
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}
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}
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}
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// Move past the match.
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base += r;
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}
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// Concatenate the text after the last match.
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output += input.substr(base, input.length()-base);
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// Store the output in the provided variable.
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this->Makefile->AddDefinition(outvar.c_str(), output.c_str());
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return true;
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}
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//----------------------------------------------------------------------------
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void cmStringCommand::ClearMatches(cmMakefile* mf)
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{
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for (unsigned int i=0; i<10; i++)
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{
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char name[128];
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sprintf(name, "CMAKE_MATCH_%d", i);
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mf->AddDefinition(name, "");
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}
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}
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//----------------------------------------------------------------------------
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void cmStringCommand::StoreMatches(cmMakefile* mf,cmsys::RegularExpression& re)
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{
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for (unsigned int i=0; i<10; i++)
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{
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char name[128];
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sprintf(name, "CMAKE_MATCH_%d", i);
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mf->AddDefinition(name, re.match(i).c_str());
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}
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}
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//----------------------------------------------------------------------------
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bool cmStringCommand::HandleCompareCommand(std::vector<std::string> const&
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args)
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{
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if(args.size() < 2)
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{
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this->SetError("sub-command COMPARE requires a mode to be specified.");
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return false;
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}
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std::string mode = args[1];
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if((mode == "EQUAL") || (mode == "NOTEQUAL") ||
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(mode == "LESS") || (mode == "GREATER"))
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{
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if(args.size() < 5)
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{
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std::string e = "sub-command COMPARE, mode ";
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e += mode;
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e += " needs at least 5 arguments total to command.";
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this->SetError(e.c_str());
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return false;
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}
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const std::string& left = args[2];
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const std::string& right = args[3];
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const std::string& outvar = args[4];
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bool result;
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if(mode == "LESS")
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{
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result = (left < right);
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}
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else if(mode == "GREATER")
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{
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result = (left > right);
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}
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else if(mode == "EQUAL")
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{
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result = (left == right);
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}
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else // if(mode == "NOTEQUAL")
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{
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result = !(left == right);
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}
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if(result)
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{
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this->Makefile->AddDefinition(outvar.c_str(), "1");
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}
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else
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{
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this->Makefile->AddDefinition(outvar.c_str(), "0");
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}
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return true;
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}
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std::string e = "sub-command COMPARE does not recognize mode "+mode;
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this->SetError(e.c_str());
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return false;
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}
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//----------------------------------------------------------------------------
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bool cmStringCommand::HandleReplaceCommand(std::vector<std::string> const&
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args)
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{
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if(args.size() < 5)
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{
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this->SetError("sub-command REPLACE requires four arguments.");
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return false;
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}
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const std::string& matchExpression = args[1];
|
|
const std::string& replaceExpression = args[2];
|
|
const std::string& variableName = args[3];
|
|
|
|
std::string input = args[4];
|
|
for(unsigned int i=5; i < args.size(); ++i)
|
|
{
|
|
input += args[i];
|
|
}
|
|
|
|
cmsys::SystemTools::ReplaceString(input, matchExpression.c_str(),
|
|
replaceExpression.c_str());
|
|
|
|
this->Makefile->AddDefinition(variableName.c_str(), input.c_str());
|
|
return true;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
bool cmStringCommand::HandleSubstringCommand(std::vector<std::string> const&
|
|
args)
|
|
{
|
|
if(args.size() != 5)
|
|
{
|
|
this->SetError("sub-command REPLACE requires four arguments.");
|
|
return false;
|
|
}
|
|
|
|
const std::string& stringValue = args[1];
|
|
int begin = atoi(args[2].c_str());
|
|
int end = atoi(args[3].c_str());
|
|
const std::string& variableName = args[4];
|
|
|
|
size_t stringLength = stringValue.size();
|
|
int intStringLength = static_cast<int>(stringLength);
|
|
if ( begin < 0 || begin > intStringLength )
|
|
{
|
|
cmOStringStream ostr;
|
|
ostr << "begin index: " << begin << " is out of range 0 - "
|
|
<< stringLength;
|
|
this->SetError(ostr.str().c_str());
|
|
return false;
|
|
}
|
|
int leftOverLength = intStringLength - begin;
|
|
if ( end < 0 || end > leftOverLength )
|
|
{
|
|
cmOStringStream ostr;
|
|
ostr << "end index: " << end << " is out of range " << 0 << " - "
|
|
<< leftOverLength;
|
|
this->SetError(ostr.str().c_str());
|
|
return false;
|
|
}
|
|
|
|
this->Makefile->AddDefinition(variableName.c_str(),
|
|
stringValue.substr(begin, end).c_str());
|
|
return true;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
bool cmStringCommand
|
|
::HandleLengthCommand(std::vector<std::string> const& args)
|
|
{
|
|
if(args.size() != 3)
|
|
{
|
|
this->SetError("sub-command LENGTH requires two arguments.");
|
|
return false;
|
|
}
|
|
|
|
const std::string& stringValue = args[1];
|
|
const std::string& variableName = args[2];
|
|
|
|
size_t length = stringValue.size();
|
|
char buffer[1024];
|
|
sprintf(buffer, "%d", static_cast<int>(length));
|
|
|
|
this->Makefile->AddDefinition(variableName.c_str(), buffer);
|
|
return true;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
bool cmStringCommand::HandleStripCommand(
|
|
std::vector<std::string> const& args)
|
|
{
|
|
if(args.size() != 3)
|
|
{
|
|
this->SetError("sub-command LENGTH requires two arguments.");
|
|
return false;
|
|
}
|
|
|
|
const std::string& stringValue = args[1];
|
|
const std::string& variableName = args[2];
|
|
size_t inStringLength = stringValue.size();
|
|
size_t startPos = inStringLength + 1;
|
|
size_t endPos = 0;
|
|
const char* ptr = stringValue.c_str();
|
|
size_t cc;
|
|
for ( cc = 0; cc < inStringLength; ++ cc )
|
|
{
|
|
if ( !isspace(*ptr) )
|
|
{
|
|
if ( startPos > inStringLength )
|
|
{
|
|
startPos = cc;
|
|
}
|
|
endPos = cc;
|
|
}
|
|
++ ptr;
|
|
}
|
|
|
|
size_t outLength = 0;
|
|
|
|
// if the input string didn't contain any non-space characters, return
|
|
// an empty string
|
|
if (startPos > inStringLength)
|
|
{
|
|
outLength = 0;
|
|
startPos = 0;
|
|
}
|
|
else
|
|
{
|
|
outLength=endPos - startPos + 1;
|
|
}
|
|
|
|
this->Makefile->AddDefinition(variableName.c_str(),
|
|
stringValue.substr(startPos, outLength).c_str());
|
|
return true;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
bool cmStringCommand
|
|
::HandleRandomCommand(std::vector<std::string> const& args)
|
|
{
|
|
if(args.size() < 2 || args.size() == 3 || args.size() == 5)
|
|
{
|
|
this->SetError("sub-command RANDOM requires at least one argument.");
|
|
return false;
|
|
}
|
|
|
|
int length = 5;
|
|
const char cmStringCommandDefaultAlphabet[] = "qwertyuiopasdfghjklzxcvbnm"
|
|
"QWERTYUIOPASDFGHJKLZXCVBNM"
|
|
"0123456789";
|
|
std::string alphabet;
|
|
|
|
if ( args.size() > 3 )
|
|
{
|
|
size_t i = 1;
|
|
size_t stopAt = args.size() - 2;
|
|
|
|
for ( ; i < stopAt; ++i )
|
|
{
|
|
if ( args[i] == "LENGTH" )
|
|
{
|
|
++i;
|
|
length = atoi(args[i].c_str());
|
|
}
|
|
else if ( args[i] == "ALPHABET" )
|
|
{
|
|
++i;
|
|
alphabet = args[i];
|
|
}
|
|
}
|
|
}
|
|
if ( !alphabet.size() )
|
|
{
|
|
alphabet = cmStringCommandDefaultAlphabet;
|
|
}
|
|
|
|
double sizeofAlphabet = alphabet.size();
|
|
if ( sizeofAlphabet < 1 )
|
|
{
|
|
this->SetError("sub-command RANDOM invoked with bad alphabet.");
|
|
return false;
|
|
}
|
|
if ( length < 1 )
|
|
{
|
|
this->SetError("sub-command RANDOM invoked with bad length.");
|
|
return false;
|
|
}
|
|
const std::string& variableName = args[args.size()-1];
|
|
|
|
std::vector<char> result;
|
|
srand((int)time(NULL));
|
|
const char* alphaPtr = alphabet.c_str();
|
|
int cc;
|
|
for ( cc = 0; cc < length; cc ++ )
|
|
{
|
|
int idx=(int) (sizeofAlphabet* rand()/(RAND_MAX+1.0));
|
|
result.push_back(*(alphaPtr + idx));
|
|
}
|
|
result.push_back(0);
|
|
|
|
this->Makefile->AddDefinition(variableName.c_str(), &*result.begin());
|
|
return true;
|
|
}
|