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/*============================================================================
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 cmFileCommand_h
#define cmFileCommand_h
#include "cmCommand.h"
struct cmFileInstaller;
/** \class cmFileCommand
* \brief Command for manipulation of files
*
*/
class cmFileCommand : public cmCommand
{
public:
/**
* This is a virtual constructor for the command.
*/
virtual cmCommand* Clone()
{
return new cmFileCommand;
}
/**
* This is called when the command is first encountered in
* the CMakeLists.txt file.
*/
virtual bool InitialPass(std::vector<std::string> const& args,
cmExecutionStatus &status);
/**
* This determines if the command is invoked when in script mode.
*/
virtual bool IsScriptable() { return true; }
/**
* The name of the command as specified in CMakeList.txt.
*/
virtual const char* GetName() { return "file";}
/**
* Succinct documentation.
*/
virtual const char* GetTerseDocumentation()
{
return "File manipulation command.";
}
/**
* More documentation.
*/
virtual const char* GetFullDocumentation()
{
return
" file(WRITE filename \"message to write\"... )\n"
" file(APPEND filename \"message to write\"... )\n"
" file(READ filename variable [LIMIT numBytes] [OFFSET offset] [HEX])\n"
" file(STRINGS filename variable [LIMIT_COUNT num]\n"
" [LIMIT_INPUT numBytes] [LIMIT_OUTPUT numBytes]\n"
" [LENGTH_MINIMUM numBytes] [LENGTH_MAXIMUM numBytes]\n"
" [NEWLINE_CONSUME] [REGEX regex]\n"
" [NO_HEX_CONVERSION])\n"
" file(GLOB variable [RELATIVE path] [globbing expressions]...)\n"
" file(GLOB_RECURSE variable [RELATIVE path] \n"
" [FOLLOW_SYMLINKS] [globbing expressions]...)\n"
" file(RENAME <oldname> <newname>)\n"
" file(REMOVE [file1 ...])\n"
" file(REMOVE_RECURSE [file1 ...])\n"
" file(MAKE_DIRECTORY [directory1 directory2 ...])\n"
" file(RELATIVE_PATH variable directory file)\n"
" file(TO_CMAKE_PATH path result)\n"
" file(TO_NATIVE_PATH path result)\n"
" file(DOWNLOAD url file [TIMEOUT timeout] [STATUS status] [LOG log]\n"
" [EXPECTED_MD5 sum] [SHOW_PROGRESS])\n"
"WRITE will write a message into a file called 'filename'. It "
"overwrites the file if it already exists, and creates the file "
"if it does not exist.\n"
"APPEND will write a message into a file same as WRITE, except "
"it will append it to the end of the file\n"
"READ will read the content of a file and store it into the "
"variable. It will start at the given offset and read up to numBytes. "
"If the argument HEX is given, the binary data will be converted to "
"hexadecimal representation and this will be stored in the variable.\n"
"STRINGS will parse a list of ASCII strings from a file and "
"store it in a variable. Binary data in the file are ignored. Carriage "
"return (CR) characters are ignored. It works also for Intel Hex and "
"Motorola S-record files, which are automatically converted to binary "
"format when reading them. Disable this using NO_HEX_CONVERSION.\n"
"LIMIT_COUNT sets the maximum number of strings to return. "
"LIMIT_INPUT sets the maximum number of bytes to read from "
"the input file. "
"LIMIT_OUTPUT sets the maximum number of bytes to store in the "
"output variable. "
"LENGTH_MINIMUM sets the minimum length of a string to return. "
"Shorter strings are ignored. "
"LENGTH_MAXIMUM sets the maximum length of a string to return. Longer "
"strings are split into strings no longer than the maximum length. "
"NEWLINE_CONSUME allows newlines to be included in strings instead "
"of terminating them.\n"
"REGEX specifies a regular expression that a string must match to be "
"returned. Typical usage \n"
" file(STRINGS myfile.txt myfile)\n"
"stores a list in the variable \"myfile\" in which each item is "
"a line from the input file.\n"
"GLOB will generate a list of all files that match the globbing "
"expressions and store it into the variable. Globbing expressions "
"are similar to regular expressions, but much simpler. If RELATIVE "
"flag is specified for an expression, the results will be returned "
"as a relative path to the given path. "
"(We do not recommend using GLOB to collect a list of source files "
"from your source tree. If no CMakeLists.txt file changes when a "
"source is added or removed then the generated build system cannot "
"know when to ask CMake to regenerate.)"
"\n"
"Examples of globbing expressions include:\n"
" *.cxx - match all files with extension cxx\n"
" *.vt? - match all files with extension vta,...,vtz\n"
" f[3-5].txt - match files f3.txt, f4.txt, f5.txt\n"
"GLOB_RECURSE will generate a list similar to the regular GLOB, except "
"it will traverse all the subdirectories of the matched directory and "
"match the files. Subdirectories that are symlinks are only traversed "
"if FOLLOW_SYMLINKS is given or cmake policy CMP0009 is not set to NEW. "
"See cmake --help-policy CMP0009 for more information.\n"
"Examples of recursive globbing include:\n"
" /dir/*.py - match all python files in /dir and subdirectories\n"
"MAKE_DIRECTORY will create the given directories, also if their parent "
"directories don't exist yet\n"
"RENAME moves a file or directory within a filesystem, "
"replacing the destination atomically."
"\n"
"REMOVE will remove the given files, also in subdirectories\n"
"REMOVE_RECURSE will remove the given files and directories, also "
"non-empty directories\n"
"RELATIVE_PATH will determine relative path from directory to the given"
" file.\n"
"TO_CMAKE_PATH will convert path into a cmake style path with unix /. "
" The input can be a single path or a system path like \"$ENV{PATH}\". "
" Note the double quotes around the ENV call TO_CMAKE_PATH only takes "
" one argument.\n"
"TO_NATIVE_PATH works just like TO_CMAKE_PATH, but will convert from "
" a cmake style path into the native path style \\ for windows and / "
"for UNIX.\n"
"DOWNLOAD will download the given URL to the given file. "
"If LOG var is specified a log of the download will be put in var. "
"If STATUS var is specified the status of the operation will"
" be put in var. The status is returned in a list of length 2. "
"The first element is the numeric return value for the operation, "
"and the second element is a string value for the error. A 0 "
"numeric error means no error in the operation. "
"If TIMEOUT time is specified, the operation will "
"timeout after time seconds, time should be specified as an integer. "
"If EXPECTED_MD5 sum is specified, the operation will verify that the "
"downloaded file's actual md5 sum matches the expected value. If it "
"does not match, the operation fails with an error. "
"If SHOW_PROGRESS is specified, progress information will be printed "
"as status messages until the operation is complete."
"\n"
"The file() command also provides COPY and INSTALL signatures:\n"
" file(<COPY|INSTALL> files... DESTINATION <dir>\n"
" [FILE_PERMISSIONS permissions...]\n"
" [DIRECTORY_PERMISSIONS permissions...]\n"
" [NO_SOURCE_PERMISSIONS] [USE_SOURCE_PERMISSIONS]\n"
" [FILES_MATCHING]\n"
" [[PATTERN <pattern> | REGEX <regex>]\n"
" [EXCLUDE] [PERMISSIONS permissions...]] [...])\n"
"The COPY signature copies files, directories, and symlinks to a "
"destination folder. "
"Relative input paths are evaluated with respect to the current "
"source directory, and a relative destination is evaluated with "
"respect to the current build directory. "
"Copying preserves input file timestamps, and optimizes out a file "
"if it exists at the destination with the same timestamp. "
"Copying preserves input permissions unless explicit permissions or "
"NO_SOURCE_PERMISSIONS are given (default is USE_SOURCE_PERMISSIONS). "
"See the install(DIRECTORY) command for documentation of permissions, "
"PATTERN, REGEX, and EXCLUDE options. "
"\n"
"The INSTALL signature differs slightly from COPY: "
"it prints status messages, and NO_SOURCE_PERMISSIONS is default. "
"Installation scripts generated by the install() command use this "
"signature (with some undocumented options for internal use)."
// Undocumented INSTALL options:
// - RENAME <name>
// - OPTIONAL
// - FILES keyword to re-enter files... list
// - PERMISSIONS before REGEX is alias for FILE_PERMISSIONS
// - DIR_PERMISSIONS is alias for DIRECTORY_PERMISSIONS
// - TYPE <FILE|DIRECTORY|EXECUTABLE|PROGRAM|
// STATIC_LIBRARY|SHARED_LIBRARY|MODULE>
// - COMPONENTS, CONFIGURATIONS, PROPERTIES (ignored for compat)
;
}
cmTypeMacro(cmFileCommand, cmCommand);
protected:
bool HandleRename(std::vector<std::string> const& args);
bool HandleRemove(std::vector<std::string> const& args, bool recurse);
bool HandleWriteCommand(std::vector<std::string> const& args, bool append);
bool HandleReadCommand(std::vector<std::string> const& args);
bool HandleStringsCommand(std::vector<std::string> const& args);
bool HandleGlobCommand(std::vector<std::string> const& args, bool recurse);
bool HandleMakeDirectoryCommand(std::vector<std::string> const& args);
bool HandleRelativePathCommand(std::vector<std::string> const& args);
bool HandleCMakePathCommand(std::vector<std::string> const& args,
bool nativePath);
bool HandleRPathChangeCommand(std::vector<std::string> const& args);
bool HandleRPathCheckCommand(std::vector<std::string> const& args);
bool HandleRPathRemoveCommand(std::vector<std::string> const& args);
bool HandleDifferentCommand(std::vector<std::string> const& args);
bool HandleCopyCommand(std::vector<std::string> const& args);
bool HandleInstallCommand(std::vector<std::string> const& args);
bool HandleDownloadCommand(std::vector<std::string> const& args);
};
#endif
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