CMake/Source/cmConfigureFileCommand.h

110 lines
3.8 KiB
C++

/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#ifndef cmConfigureFileCommand_h
#define cmConfigureFileCommand_h
#include "cmCommand.h"
class cmConfigureFileCommand : public cmCommand
{
public:
cmTypeMacro(cmConfigureFileCommand, cmCommand);
virtual cmCommand* Clone()
{
return new cmConfigureFileCommand;
}
/**
* This is called when the command is first encountered in
* the input file.
*/
virtual bool InitialPass(std::vector<std::string> const& args,
cmExecutionStatus &status);
/**
* The name of the command as specified in CMakeList.txt.
*/
virtual const char* GetName() { return "configure_file";}
/**
* This determines if the command is invoked when in script mode.
*/
virtual bool IsScriptable() { return true; }
/**
* Succinct documentation.
*/
virtual const char* GetTerseDocumentation()
{
return "Copy a file to another location and modify its contents.";
}
/**
* Longer documentation.
*/
virtual const char* GetFullDocumentation()
{
return
" configure_file(<input> <output>\n"
" [COPYONLY] [ESCAPE_QUOTES] [@ONLY] \n"
" [NEWLINE_STYLE [UNIX|DOS|WIN32|LF|CRLF] ])\n"
"Copies a file <input> to file <output> and substitutes variable "
"values referenced in the file content. "
"If <input> is a relative path it is evaluated with respect to "
"the current source directory. "
"The <input> must be a file, not a directory. "
"If <output> is a relative path it is evaluated with respect to "
"the current binary directory. "
"If <output> names an existing directory the input file is placed "
"in that directory with its original name. "
"\n"
"This command replaces any variables in the input file referenced as "
"${VAR} or @VAR@ with their values as determined by CMake. If a "
"variable is not defined, it will be replaced with nothing. "
"If COPYONLY is specified, then no variable expansion will take "
"place. If ESCAPE_QUOTES is specified then any substituted quotes "
"will be C-style escaped. "
"The file will be configured with the current values of CMake "
"variables. If @ONLY is specified, only variables "
"of the form @VAR@ will be replaces and ${VAR} will be ignored. "
"This is useful for configuring scripts that use ${VAR}. "
"Any occurrences of #cmakedefine VAR will be replaced with "
"either #define VAR or /* #undef VAR */ depending on "
"the setting of VAR in CMake. Any occurrences of #cmakedefine01 VAR "
"will be replaced with either #define VAR 1 or #define VAR 0 "
"depending on whether VAR evaluates to TRUE or FALSE in CMake.\n"
"With NEWLINE_STYLE the line ending could be adjusted: \n"
" 'UNIX' or 'LF' for \\n, 'DOS', 'WIN32' or 'CRLF' for \\r\\n.\n"
"COPYONLY must not be used with NEWLINE_STYLE.\n";
}
virtual void FinalPass();
virtual bool HasFinalPass() const { return !this->Immediate; }
private:
int ConfigureFile();
cmNewLineStyle NewLineStyle;
std::string InputFile;
std::string OutputFile;
bool CopyOnly;
bool EscapeQuotes;
bool Immediate;
bool AtOnly;
};
#endif