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