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-rw-r--r--Source/cmCommands.cxx2
-rw-r--r--Source/cmStringCommand.cxx309
-rw-r--r--Source/cmStringCommand.h92
3 files changed, 403 insertions, 0 deletions
diff --git a/Source/cmCommands.cxx b/Source/cmCommands.cxx
index fd4445d..f52dd45 100644
--- a/Source/cmCommands.cxx
+++ b/Source/cmCommands.cxx
@@ -73,6 +73,7 @@
#include "cmSourceFilesCommand.cxx"
#include "cmSourceFilesRemoveCommand.cxx"
#include "cmSourceGroupCommand.cxx"
+#include "cmStringCommand.cxx"
#include "cmSubdirCommand.cxx"
#include "cmSubdirDependsCommand.cxx"
#include "cmTargetLinkLibrariesCommand.cxx"
@@ -157,6 +158,7 @@ void GetPredefinedCommands(std::list<cmCommand*>& commands)
commands.push_back(new cmSourceFilesCommand);
commands.push_back(new cmSourceFilesRemoveCommand);
commands.push_back(new cmSourceGroupCommand);
+ commands.push_back(new cmStringCommand);
commands.push_back(new cmSubdirCommand);
commands.push_back(new cmSubdirDependsCommand);
commands.push_back(new cmTargetLinkLibrariesCommand);
diff --git a/Source/cmStringCommand.cxx b/Source/cmStringCommand.cxx
new file mode 100644
index 0000000..f17e65a
--- /dev/null
+++ b/Source/cmStringCommand.cxx
@@ -0,0 +1,309 @@
+/*=========================================================================
+
+ Program: CMake - Cross-Platform Makefile Generator
+ Module: $RCSfile$
+ Language: C++
+ Date: $Date$
+ Version: $Revision$
+
+ Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
+ See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
+
+ This software is distributed WITHOUT ANY WARRANTY; without even
+ the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ PURPOSE. See the above copyright notices for more information.
+
+=========================================================================*/
+#include "cmStringCommand.h"
+
+//----------------------------------------------------------------------------
+bool cmStringCommand::InitialPass(std::vector<std::string> const& args)
+{
+ if(args.size() < 1)
+ {
+ this->SetError("must be called with at least one argument.");
+ return false;
+ }
+
+ std::string subCommand = args[0];
+ if(subCommand == "REGEX")
+ {
+ return this->HandleRegexCommand(args);
+ }
+
+ std::string e = "does not recognize sub-command "+subCommand;
+ this->SetError(e.c_str());
+ return false;
+}
+
+//----------------------------------------------------------------------------
+bool cmStringCommand::HandleRegexCommand(std::vector<std::string> const& args)
+{
+ if(args.size() < 2)
+ {
+ this->SetError("sub-command REGEX requires a mode to be specified.");
+ return false;
+ }
+ std::string mode = args[1];
+ if(mode == "MATCH")
+ {
+ if(args.size() < 5)
+ {
+ this->SetError("sub-command REGEX, mode MATCH needs "
+ "at least 5 arguments total to command.");
+ return false;
+ }
+ return this->RegexMatch(args);
+ }
+ else if(mode == "MATCHALL")
+ {
+ if(args.size() < 5)
+ {
+ this->SetError("sub-command REGEX, mode MATCHALL needs "
+ "at least 5 arguments total to command.");
+ return false;
+ }
+ return this->RegexMatchAll(args);
+ }
+ else if(mode == "REPLACE")
+ {
+ if(args.size() < 6)
+ {
+ this->SetError("sub-command REGEX, mode MATCH needs "
+ "at least 6 arguments total to command.");
+ return false;
+ }
+ return this->RegexReplace(args);
+ }
+
+ std::string e = "sub-command REGEX does not recognize mode "+mode;
+ this->SetError(e.c_str());
+ return false;
+}
+
+//----------------------------------------------------------------------------
+bool cmStringCommand::RegexMatch(std::vector<std::string> const& args)
+{
+ //"STRING(REGEX MATCH <regular_expression> <output variable> <input> [<input>...])\n";
+ std::string regex = args[2];
+ std::string outvar = args[3];
+
+ // Concatenate all the last arguments together.
+ std::string input = args[4];
+ for(int i=5; i < args.size(); ++i)
+ {
+ input += args[i];
+ }
+
+ // Compile the regular expression.
+ cmRegularExpression re;
+ if(!re.compile(regex.c_str()))
+ {
+ std::string e = "sub-command REGEX, mode MATCH failed to compile regex \""+regex+"\".";
+ this->SetError(e.c_str());
+ return false;
+ }
+
+ // Scan through the input for all matches.
+ std::string output;
+ if(re.find(input.c_str()))
+ {
+ std::string::size_type l = re.start();
+ std::string::size_type r = re.end();
+ if(r-l == 0)
+ {
+ std::string e = "sub-command REGEX, mode MATCH regex \""+regex+"\" matched an empty string.";
+ this->SetError(e.c_str());
+ return false;
+ }
+ output = input.substr(l, r-l);
+ }
+
+ // Store the output in the provided variable.
+ m_Makefile->AddDefinition(outvar.c_str(), output.c_str());
+ return true;
+}
+
+//----------------------------------------------------------------------------
+bool cmStringCommand::RegexMatchAll(std::vector<std::string> const& args)
+{
+ //"STRING(REGEX MATCHALL <regular_expression> <output variable> <input> [<input>...])\n";
+ std::string regex = args[2];
+ std::string outvar = args[3];
+
+ // Concatenate all the last arguments together.
+ std::string input = args[4];
+ for(int i=5; i < args.size(); ++i)
+ {
+ input += args[i];
+ }
+
+ // Compile the regular expression.
+ cmRegularExpression re;
+ if(!re.compile(regex.c_str()))
+ {
+ std::string e = "sub-command REGEX, mode MATCHALL failed to compile regex \""+regex+"\".";
+ this->SetError(e.c_str());
+ return false;
+ }
+
+ // Scan through the input for all matches.
+ std::string output;
+ const char* p = input.c_str();
+ while(re.find(p))
+ {
+ std::string::size_type l = re.start();
+ std::string::size_type r = re.end();
+ if(r-l == 0)
+ {
+ std::string e = "sub-command REGEX, mode MATCHALL regex \""+regex+"\" matched an empty string.";
+ this->SetError(e.c_str());
+ return false;
+ }
+ if(output.length() > 0)
+ {
+ output += ";";
+ }
+ output += std::string(p+l, r-l);
+ p += r;
+ }
+
+ // Store the output in the provided variable.
+ m_Makefile->AddDefinition(outvar.c_str(), output.c_str());
+ return true;
+}
+
+//----------------------------------------------------------------------------
+bool cmStringCommand::RegexReplace(std::vector<std::string> const& args)
+{
+ //"STRING(REGEX REPLACE <regular_expression> <replace_expression> <output variable> <input> [<input>...])\n"
+ std::string regex = args[2];
+ std::string replace = args[3];
+ std::string outvar = args[4];
+
+ // Pull apart the replace expression to find the escaped [0-9] values.
+ std::vector<RegexReplacement> replacement;
+ std::string::size_type l = 0;
+ while(l < replace.length())
+ {
+ std::string::size_type r = replace.find("\\", l);
+ if(r == std::string::npos)
+ {
+ r = replace.length();
+ replacement.push_back(replace.substr(l, r-l));
+ }
+ else
+ {
+ if(r-l > 0)
+ {
+ replacement.push_back(replace.substr(l, r-l));
+ }
+ if(r == (replace.length()-1))
+ {
+ this->SetError("sub-command REGEX, mode REPLACE: "
+ "replace-expression ends in a backslash.");
+ return false;
+ }
+ if((replace[r+1] >= '0') && (replace[r+1] <= '9'))
+ {
+ replacement.push_back(replace[r+1]-'0');
+ }
+ else if(replace[r+1] == 'n')
+ {
+ replacement.push_back("\n");
+ }
+ else if(replace[r+1] == '\\')
+ {
+ replacement.push_back("\\");
+ }
+ else
+ {
+ std::string e = "sub-command REGEX, mode REPLACE: Unknown escape \"";
+ e += replace.substr(r, 2);
+ e += "\"in replace-expression.";
+ this->SetError(e.c_str());
+ return false;
+ }
+ r += 2;
+ }
+ l = r;
+ }
+
+ // Concatenate all the last arguments together.
+ std::string input = args[5];
+ for(int i=6; i < args.size(); ++i)
+ {
+ input += args[i];
+ }
+
+ // Compile the regular expression.
+ cmRegularExpression re;
+ if(!re.compile(regex.c_str()))
+ {
+ std::string e = "sub-command REGEX, mode REPLACE failed to compile regex \""+regex+"\".";
+ this->SetError(e.c_str());
+ return false;
+ }
+
+ // Scan through the input for all matches.
+ std::string output;
+ std::string::size_type base = 0;
+ while(re.find(input.c_str()+base))
+ {
+ std::string::size_type l = re.start();
+ std::string::size_type r = re.end();
+
+ // Concatenate the part of the input that was not matched.
+ output += input.substr(base, l-base);
+
+ // Make sure the match had some text.
+ if(r-l == 0)
+ {
+ std::string e = "sub-command REGEX, mode REPLACE regex \""+regex+"\" matched an empty string.";
+ this->SetError(e.c_str());
+ return false;
+ }
+
+ // Concatenate the replacement for the match.
+ for(int i=0; i < replacement.size(); ++i)
+ {
+ if(replacement[i].number < 0)
+ {
+ // This is just a plain-text part of the replacement.
+ output += replacement[i].value;
+ }
+ else
+ {
+ // Replace with part of the match.
+ int n = replacement[i].number;
+ std::string::size_type start = re.start(n);
+ std::string::size_type end = re.end(n);
+ std::string::size_type len = input.length()-base;
+ if((start != std::string::npos) && (end != std::string::npos) &&
+ (start >= 0) && (start <= len) && (end >= 0) && (end <= len))
+ {
+ output += input.substr(base+l, r-l);
+ }
+ else
+ {
+ std::string e =
+ "sub-command REGEX, mode REPLACE: replace expression \""+
+ replace+"\" contains an out-of-range escape for regex \""+
+ regex+"\".";
+ this->SetError(e.c_str());
+ return false;
+ }
+ }
+ }
+
+ // Move past the match.
+ base += r;
+ }
+
+ // Concatenate the text after the last match.
+ output += input.substr(base, input.length()-base);
+
+ // Store the output in the provided variable.
+ m_Makefile->AddDefinition(outvar.c_str(), output.c_str());
+ return true;
+}
diff --git a/Source/cmStringCommand.h b/Source/cmStringCommand.h
new file mode 100644
index 0000000..dfb033d
--- /dev/null
+++ b/Source/cmStringCommand.h
@@ -0,0 +1,92 @@
+/*=========================================================================
+
+ Program: CMake - Cross-Platform Makefile Generator
+ Module: $RCSfile$
+ Language: C++
+ Date: $Date$
+ Version: $Revision$
+
+ Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
+ See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
+
+ This software is distributed WITHOUT ANY WARRANTY; without even
+ the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ PURPOSE. See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef cmStringCommand_h
+#define cmStringCommand_h
+
+#include "cmStandardIncludes.h"
+#include "cmCommand.h"
+
+/** \class cmStringCommand
+ * \brief Common string operations
+ *
+ */
+class cmStringCommand : public cmCommand
+{
+public:
+ /**
+ * This is a virtual constructor for the command.
+ */
+ virtual cmCommand* Clone()
+ {
+ return new cmStringCommand;
+ }
+
+ /**
+ * This is called when the command is first encountered in
+ * the CMakeLists.txt file.
+ */
+ virtual bool InitialPass(std::vector<std::string> const& args);
+
+ /**
+ * The name of the command as specified in CMakeList.txt.
+ */
+ virtual const char* GetName() { return "STRING";}
+
+ /**
+ * Succinct documentation.
+ */
+ virtual const char* GetTerseDocumentation()
+ {
+ return "String operations.";
+ }
+
+ /**
+ * More documentation.
+ */
+ virtual const char* GetFullDocumentation()
+ {
+ return
+ "STRING(REGEX MATCH <regular_expression> <output variable> <input> [<input>...])\n"
+ "STRING(REGEX MATCHALL <regular_expression> <output variable> <input> [<input>...])\n"
+ "STRING(REGEX REPLACE <regular_expression> <replace_expression> <output variable> <input> [<input>...])\n"
+ "REGEX MATCH will match the regular expression once and store the match in the output variable.\n"
+ "REGEX MATCHALL will match the regular expression as many times as possible and store the matches\n"
+ " in the output variable as a list.\n"
+ "REGEX REPLACE will match the regular expression as many times as possible and substitute the\n"
+ " replacement expression for the match in the output.\n";
+ }
+
+ cmTypeMacro(cmStringCommand, cmCommand);
+protected:
+ bool HandleRegexCommand(std::vector<std::string> const& args);
+ bool RegexMatch(std::vector<std::string> const& args);
+ bool RegexMatchAll(std::vector<std::string> const& args);
+ bool RegexReplace(std::vector<std::string> const& args);
+
+ class RegexReplacement
+ {
+ public:
+ RegexReplacement(const char* s): number(-1), value(s) {}
+ RegexReplacement(const std::string& s): number(-1), value(s) {}
+ RegexReplacement(int n): number(n), value() {}
+ int number;
+ std::string value;
+ };
+};
+
+
+#endif
generated by cgit v0.12 at 2024-12-28 12:25:30 (GMT)