pax_global_header00006660000000000000000000000064141341023550014510gustar00rootroot0000000000000052 comment=c74846a891b3cc3bfa992d588b1295f528d43039 cxxopts-3.0.0/000077500000000000000000000000001413410235500132205ustar00rootroot00000000000000cxxopts-3.0.0/.github/000077500000000000000000000000001413410235500145605ustar00rootroot00000000000000cxxopts-3.0.0/.github/workflows/000077500000000000000000000000001413410235500166155ustar00rootroot00000000000000cxxopts-3.0.0/.github/workflows/build.yml000066400000000000000000000006121413410235500204360ustar00rootroot00000000000000name: Build cxxopts on: push: branches: [ $default-branch ] pull_request: branches: [ $default-branch ] workflow_dispatch: jobs: build: runs-on: ubuntu-latest steps: - uses: actions/checkout@v2 - name: setup run: mkdir build; cd build - name: cmake run: cmake .. - name: Build run: make -j$(nproc) - name: test run: ctest cxxopts-3.0.0/.github/workflows/cmake.yml000066400000000000000000000030741413410235500204240ustar00rootroot00000000000000name: CMake on: push: branches: [ master ] pull_request: branches: [ master ] workflow_dispatch: env: # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.) BUILD_TYPE: Release jobs: build: # The CMake configure and build commands are platform agnostic and should work equally # well on Windows or Mac. You can convert this to a matrix build if you need # cross-platform coverage. # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix runs-on: ${{matrix.os}} strategy: matrix: os: [ubuntu-18.04] compiler: [g++-7, g++-9, g++-10, clang++] steps: - uses: actions/checkout@v2 - name: Configure CMake # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make. # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCMAKE_CXX_COMPILER=${{matrix.compiler}} - name: Build # Build your program with the given configuration run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} - name: Test working-directory: ${{github.workspace}}/build # Execute tests defined by the CMake configuration. # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail run: ctest -C ${{env.BUILD_TYPE}} cxxopts-3.0.0/.gitignore000066400000000000000000000001531413410235500152070ustar00rootroot00000000000000*.swp build*/ CMakeCache.txt Makefile CMakeFiles/ Testing/ CTestTestfile.cmake cmake_install.cmake bazel-* cxxopts-3.0.0/.travis.yml000066400000000000000000000046751413410235500153450ustar00rootroot00000000000000sudo: required dist: trusty language: cpp os: - linux matrix: include: - os: linux env: COMPILER=g++-6 addons: apt: packages: - g++-6 sources: &sources - llvm-toolchain-trusty-3.8 - llvm-toolchain-trusty-5.0 - ubuntu-toolchain-r-test - os: linux env: COMPILER=g++-6 UNICODE_OPTIONS=-DCXXOPTS_USE_UNICODE_HELP=Yes addons: apt: packages: - g++-6 sources: *sources - os: linux env: COMPILER=g++-7 addons: apt: packages: - g++-7 sources: *sources - os: linux env: COMPILER=g++-7 UNICODE_OPTIONS=-DCXXOPTS_USE_UNICODE_HELP=Yes addons: apt: packages: - g++-7 sources: *sources - os: linux env: COMPILER=g++-5 addons: apt: packages: - g++-5 sources: *sources - os: linux env: COMPILER=g++-5 UNICODE_OPTIONS=-DCXXOPTS_USE_UNICODE_HELP=Yes addons: apt: packages: - g++-5 sources: *sources - os: linux env: COMPILER=g++-4.8 addons: apt: packages: - g++-4.8 sources: *sources - os: linux env: COMPILER=g++-4.8 UNICODE_OPTIONS=-DCXXOPTS_USE_UNICODE_HELP=Yes addons: apt: packages: - g++-4.8 sources: *sources - os: linux env: COMPILER=clang++-3.8 CXXFLAGS=-stdlib=libc++ addons: apt: packages: - clang-3.8 - libc++-dev sources: *sources - os: linux env: COMPILER=clang++-3.8 CXXFLAGS=-stdlib=libc++ UNICODE_OPTIONS=-DCXXOPTS_USE_UNICODE_HELP=Yes addons: apt: packages: - clang-3.8 - libc++-dev sources: *sources - os: linux env: COMPILER=clang++-5.0 CMAKE_OPTIONS=-DCXXOPTS_CXX_STANDARD=17 addons: apt: packages: - clang-5.0 - g++-5 sources: *sources script: > cmake -Werror=dev -DCXXOPTS_BUILD_TESTS=ON -DCMAKE_CXX_COMPILER=$COMPILER -DCMAKE_CXX_FLAGS=$CXXFLAGS $UNICODE_OPTIONS $CMAKE_OPTIONS . && make && make ARGS=--output-on-failure test before_install: - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update ; fi - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install icu4c; fi cxxopts-3.0.0/BUILD.bazel000066400000000000000000000003061413410235500150750ustar00rootroot00000000000000load("@rules_cc//cc:defs.bzl", "cc_library") cc_library( name = "cxxopts", hdrs = ["include/cxxopts.hpp"], strip_include_prefix = "include", visibility = ["//visibility:public"], ) cxxopts-3.0.0/CHANGELOG.md000066400000000000000000000072441413410235500150400ustar00rootroot00000000000000# Changelog This is the changelog for `cxxopts`, a C++11 library for parsing command line options. The project adheres to semantic versioning. ## 3.0 ### Changed * Only search for a C++ compiler in CMakeLists.txt. * Allow for exceptions to be disabled. * Fix duplicate default options when there is a short and long option. * Add `CXXOPTS_NO_EXCEPTIONS` to disable exceptions. * Fix char parsing for space and check for length. * Change argument type in `Options::parse` from `char**` to `const char**`. * Refactor parser to not change its arguments. * `ParseResult` doesn't depend on a reference to the parser. * Fixed several warnings and code quality issues. * Improved formatting for help descriptions. * Improve integer parsing. ### Added * A list of unmatched arguments is available in `ParseResult`. * Support single letter options with argument attached. * Use if it is present. ### Bug Fixes * Fix missing option name in exception. ## 2.2 ### Changed * Allow integers to have leading zeroes. * Build the tests by default. * Don't check for container when showing positional help. ### Added * Iterator inputs to `parse_positional`. * Throw an exception if the option in `parse_positional` doesn't exist. * Parse a delimited list in a single argument for vector options. * Add an option to disable implicit value on booleans. ### Bug Fixes * Fix a warning about possible loss of data. * Fix version numbering in CMakeLists.txt * Remove unused declaration of the undefined `ParseResult::get_option`. * Throw on invalid option syntax when beginning with a `-`. * Throw in `as` when option wasn't present. * Fix catching exceptions by reference. * Fix out of bounds errors parsing integers. ## 2.1.1 ### Bug Fixes * Revert the change adding `const` type for `argv`, because most users expect to pass a non-const `argv` from `main`. ## 2.1 ### Changed * Options with implicit arguments now require the `--option=value` form if they are to be specified with an option. This is to remove the ambiguity when a positional argument could follow an option with an implicit value. For example, `--foo value`, where `foo` has an implicit value, will be parsed as `--foo=implicit` and a positional argument `value`. * Boolean values are no longer special, but are just an option with a default and implicit value. ### Added * Added support for `std::optional` as a storage type. * Allow the help string to be customised. * Use `const` for the type in the `argv` parameter, since the contents of the arguments is never modified. ### Bug Fixes * Building against GCC 4.9 was broken due to overly strict shadow warnings. * Fixed an ambiguous overload in the `parse_positional` function when an `initializer_list` was directly passed. * Fixed precedence in the Boolean value regex. ## 2.0 ### Changed * `Options::parse` returns a ParseResult rather than storing the parse result internally. * Options with default values now get counted as appearing once if they were not specified by the user. ### Added * A new `ParseResult` object that is the immutable result of parsing. It responds to the same `count` and `operator[]` as `Options` of 1.x did. * The function `ParseResult::arguments` returns a vector of the parsed arguments to iterate through in the order they were provided. * The symbol `cxxopts::version` for the version of the library. * Booleans can be specified with various strings and explicitly set false. ## 1.x The 1.x series was the first major version of the library, with release numbers starting to follow semantic versioning, after 0.x being unstable. It never had a changelog maintained for it. Releases mostly contained bug fixes, with the occasional feature added. cxxopts-3.0.0/CMakeLists.txt000066400000000000000000000056641413410235500157730ustar00rootroot00000000000000# Copyright (c) 2014 Jarryd Beck # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. cmake_minimum_required(VERSION 3.1...3.19) list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/") include(cxxopts) set("PROJECT_DESCRIPTION" "A header-only lightweight C++ command line option parser") set("PROJECT_HOMEPAGE_URL" "https://github.com/jarro2783/cxxopts") # Get the version of the library cxxopts_getversion(VERSION) project(cxxopts VERSION "${VERSION}" LANGUAGES CXX ) # Must include after the project call due to GNUInstallDirs requiring a language be enabled (IE. CXX) include(GNUInstallDirs) # Determine whether this is a standalone project or included by other projects set(CXXOPTS_STANDALONE_PROJECT OFF) if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR) set(CXXOPTS_STANDALONE_PROJECT ON) endif() # Establish the project options option(CXXOPTS_BUILD_EXAMPLES "Set to ON to build examples" ${CXXOPTS_STANDALONE_PROJECT}) option(CXXOPTS_BUILD_TESTS "Set to ON to build tests" ${CXXOPTS_STANDALONE_PROJECT}) option(CXXOPTS_ENABLE_INSTALL "Generate the install target" ${CXXOPTS_STANDALONE_PROJECT}) option(CXXOPTS_ENABLE_WARNINGS "Add warnings to CMAKE_CXX_FLAGS" ${CXXOPTS_STANDALONE_PROJECT}) option(CXXOPTS_USE_UNICODE_HELP "Use ICU Unicode library" OFF) if (CXXOPTS_STANDALONE_PROJECT) cxxopts_set_cxx_standard() endif() if (CXXOPTS_ENABLE_WARNINGS) cxxopts_enable_warnings() endif() add_library(cxxopts INTERFACE) add_library(cxxopts::cxxopts ALIAS cxxopts) add_subdirectory(include) # Link against the ICU library when requested if(CXXOPTS_USE_UNICODE_HELP) cxxopts_use_unicode() endif() # Install cxxopts when requested by the user if (CXXOPTS_ENABLE_INSTALL) cxxopts_install_logic() endif() # Build examples when requested by the user if (CXXOPTS_BUILD_EXAMPLES) add_subdirectory(src) endif() # Enable testing when requested by the user if (CXXOPTS_BUILD_TESTS) enable_testing() add_subdirectory(test) endif() cxxopts-3.0.0/INSTALL000066400000000000000000000012201413410235500142440ustar00rootroot00000000000000== System installation == This library is header only. So you can either copy `include/cxxopts.hpp` to `/usr/include` or `/usr/local/include`, or add `include` to your search path. == Building the examples and tests == It is preferable to build out of source. Make a build directory somewhere, and then do the following, where `${CXXOPTS_DIR}` is the path that you checked out `cxxopts` to: cmake ${CXXOPTS_DIR} make You can use another build tool, such as ninja. cmake -G Ninja ${CXXOPTS_DIR} ninja To run the tests, you have to configure `cxxopts` with another flag: cmake -D CXXOPTS_BUILD_TESTS=On ${CXXOPTS_DIR} make make test cxxopts-3.0.0/LICENSE000066400000000000000000000020371413410235500142270ustar00rootroot00000000000000Copyright (c) 2014 Jarryd Beck Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. cxxopts-3.0.0/README.md000066400000000000000000000166311413410235500145060ustar00rootroot00000000000000[![Build Status](https://travis-ci.org/jarro2783/cxxopts.svg?branch=master)](https://travis-ci.org/jarro2783/cxxopts) # Release versions Note that `master` is generally a work in progress, and you probably want to use a tagged release version. ## Version 3 breaking changes If you have used version 2, there are a couple of breaking changes in version 3 that you should be aware of. If you are new to `cxxopts` you can skip this section. The parser no longer modifies its arguments, so you can pass a const `argc` and `argv` and expect them not to be changed. The `ParseResult` object no longer depends on the parser. So it can be returned from a scope outside the parser and still work. Now that the inputs are not modified, `ParseResult` stores a list of the unmatched arguments. These are retrieved like follows: ```cpp auto result = options.parse(argc, argv); result.unmatched(); // get the unmatched arguments ``` # Quick start This is a lightweight C++ option parser library, supporting the standard GNU style syntax for options. Options can be given as: --long --long=argument --long argument -a -ab -abc argument where c takes an argument, but a and b do not. Additionally, anything after `--` will be parsed as a positional argument. ## Basics ```cpp #include ``` Create a `cxxopts::Options` instance. ```cpp cxxopts::Options options("MyProgram", "One line description of MyProgram"); ``` Then use `add_options`. ```cpp options.add_options() ("d,debug", "Enable debugging") // a bool parameter ("i,integer", "Int param", cxxopts::value()) ("f,file", "File name", cxxopts::value()) ("v,verbose", "Verbose output", cxxopts::value()->default_value("false")) ; ``` Options are declared with a long and an optional short option. A description must be provided. The third argument is the value, if omitted it is boolean. Any type can be given as long as it can be parsed, with operator>>. To parse the command line do: ```cpp auto result = options.parse(argc, argv); ``` To retrieve an option use `result.count("option")` to get the number of times it appeared, and ```cpp result["opt"].as() ``` to get its value. If "opt" doesn't exist, or isn't of the right type, then an exception will be thrown. Note that the result of `options.parse` should only be used as long as the `options` object that created it is in scope. ## Unrecognised arguments You can allow unrecognised arguments to be skipped. This applies to both positional arguments that are not parsed into another option, and `--` arguments that do not match an argument that you specify. This is done by calling: ```cpp options.allow_unrecognised_options(); ``` and in the result object they are retrieved with: ```cpp result.unmatched() ``` ## Exceptions Exceptional situations throw C++ exceptions. There are two types of exceptions: errors defining the options, and errors when parsing a list of arguments. All exceptions derive from `cxxopts::OptionException`. Errors defining options derive from `cxxopts::OptionSpecException` and errors parsing arguments derive from `cxxopts::OptionParseException`. All exceptions define a `what()` function to get a printable string explaining the error. ## Help groups Options can be placed into groups for the purposes of displaying help messages. To place options in a group, pass the group as a string to `add_options`. Then, when displaying the help, pass the groups that you would like displayed as a vector to the `help` function. ## Positional Arguments Positional arguments can be optionally parsed into one or more options. To set up positional arguments, call ```cpp options.parse_positional({"first", "second", "last"}) ``` where "last" should be the name of an option with a container type, and the others should have a single value. ## Default and implicit values An option can be declared with a default or an implicit value, or both. A default value is the value that an option takes when it is not specified on the command line. The following specifies a default value for an option: ```cpp cxxopts::value()->default_value("value") ``` An implicit value is the value that an option takes when it is given on the command line without an argument. The following specifies an implicit value: ```cpp cxxopts::value()->implicit_value("implicit") ``` If an option had both, then not specifying it would give the value `"value"`, writing it on the command line as `--option` would give the value `"implicit"`, and writing `--option=another` would give it the value `"another"`. Note that the default and implicit value is always stored as a string, regardless of the type that you want to store it in. It will be parsed as though it was given on the command line. Default values are not counted by `Options::count`. ## Boolean values Boolean options have a default implicit value of `"true"`, which can be overridden. The effect is that writing `-o` by itself will set option `o` to `true`. However, they can also be written with various strings using `=value`. There is no way to disambiguate positional arguments from the value following a boolean, so we have chosen that they will be positional arguments, and therefore, `-o false` does not work. ## `std::vector` values Parsing of list of values in form of an `std::vector` is also supported, as long as `T` can be parsed. To separate single values in a list the definition `CXXOPTS_VECTOR_DELIMITER` is used, which is ',' by default. Ensure that you use no whitespaces between values because those would be interpreted as the next command line option. Example for a command line option that can be parsed as a `std::vector`: ~~~ --my_list=1,-2.1,3,4.5 ~~~ ## Options specified multiple times The same option can be specified several times, with different arguments, which will all be recorded in order of appearance. An example: ~~~ --use train --use bus --use ferry ~~~ this is supported through the use of a vector of value for the option: ~~~ options.add_options() ("use", "Usable means of transport", cxxopts::value>()) ~~~ ## Custom help The string after the program name on the first line of the help can be completely replaced by calling `options.custom_help`. Note that you might also want to override the positional help by calling `options.positional_help`. ## Example Putting all together: ```cpp int main(int argc, char** argv) { cxxopts::Options options("test", "A brief description"); options.add_options() ("b,bar", "Param bar", cxxopts::value()) ("d,debug", "Enable debugging", cxxopts::value()->default_value("false")) ("f,foo", "Param foo", cxxopts::value()->default_value("10")) ("h,help", "Print usage") ; auto result = options.parse(argc, argv); if (result.count("help")) { std::cout << options.help() << std::endl; exit(0); } bool debug = result["debug"].as(); std::string bar; if (result.count("bar")) bar = result["bar"].as(); int foo = result["foo"].as(); return 0; } ``` # Linking This is a header only library. # Requirements The only build requirement is a C++ compiler that supports C++11 features such as: * regex * constexpr * default constructors GCC >= 4.9 or clang >= 3.1 with libc++ are known to work. The following compilers are known not to work: * MSVC 2013 # TODO list * Allow unrecognised options. cxxopts-3.0.0/WORKSPACE000066400000000000000000000000001413410235500144670ustar00rootroot00000000000000cxxopts-3.0.0/cmake/000077500000000000000000000000001413410235500143005ustar00rootroot00000000000000cxxopts-3.0.0/cmake/cxxopts.cmake000066400000000000000000000154101413410235500170130ustar00rootroot00000000000000# Copyright (c) 2014 Jarryd Beck # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. if (CMAKE_VERSION VERSION_GREATER 3.10 OR CMAKE_VERSION VERSION_EQUAL 3.10) # Use include_guard() added in cmake 3.10 include_guard() endif() include(CMakePackageConfigHelpers) function(cxxopts_getversion version_arg) # Parse the current version from the cxxopts header file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/include/cxxopts.hpp" cxxopts_version_defines REGEX "#define CXXOPTS__VERSION_(MAJOR|MINOR|PATCH)") foreach(ver ${cxxopts_version_defines}) if(ver MATCHES "#define CXXOPTS__VERSION_(MAJOR|MINOR|PATCH) +([^ ]+)$") set(CXXOPTS__VERSION_${CMAKE_MATCH_1} "${CMAKE_MATCH_2}" CACHE INTERNAL "") endif() endforeach() set(VERSION ${CXXOPTS__VERSION_MAJOR}.${CXXOPTS__VERSION_MINOR}.${CXXOPTS__VERSION_PATCH}) # Give feedback to the user. Prefer DEBUG when available since large projects tend to have a lot # going on already if (CMAKE_VERSION VERSION_GREATER 3.15 OR CMAKE_VERSION VERSION_EQUAL 3.15) message(DEBUG "cxxopts version ${VERSION}") else() message(STATUS "cxxopts version ${VERSION}") endif() # Return the information to the caller set(${version_arg} ${VERSION} PARENT_SCOPE) endfunction() # Optionally, enable unicode support using the ICU library function(cxxopts_use_unicode) find_package(PkgConfig) pkg_check_modules(ICU REQUIRED icu-uc) target_link_libraries(cxxopts INTERFACE ${ICU_LDFLAGS}) target_compile_options(cxxopts INTERFACE ${ICU_CFLAGS}) target_compile_definitions(cxxopts INTERFACE CXXOPTS_USE_UNICODE) endfunction() # Request C++11 without gnu extension for the whole project and enable more warnings macro(cxxopts_set_cxx_standard) if (CXXOPTS_CXX_STANDARD) set(CMAKE_CXX_STANDARD ${CXXOPTS_CXX_STANDARD}) else() set(CMAKE_CXX_STANDARD 11) endif() set(CMAKE_CXX_EXTENSIONS OFF) endmacro() # Helper function to enable warnings function(cxxopts_enable_warnings) if(MSVC) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W2") elseif(CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU") if (CMAKE_CXX_COMPILER_ID MATCHES "GNU") if (${CMAKE_CXX_COMPILER_VERSION} VERSION_GREATER_EQUAL 5.0) set(COMPILER_SPECIFIC_FLAGS "-Wsuggest-override") endif() endif() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror -Wextra -Wshadow -Weffc++ -Wsign-compare -Wshadow -Wwrite-strings -Wpointer-arith -Winit-self -Wconversion -Wno-sign-conversion ${COMPILER_SPECIFIC_FLAGS}") endif() set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} PARENT_SCOPE) endfunction() # Helper function to ecapsulate install logic function(cxxopts_install_logic) string(REPLACE "/${CMAKE_LIBRARY_ARCHITECTURE}" "" CMAKE_INSTALL_LIBDIR_ARCHIND "${CMAKE_INSTALL_LIBDIR}") set(CXXOPTS_CMAKE_DIR "${CMAKE_INSTALL_LIBDIR_ARCHIND}/cmake/cxxopts" CACHE STRING "Installation directory for cmake files, relative to ${CMAKE_INSTALL_PREFIX}.") set(version_config "${PROJECT_BINARY_DIR}/cxxopts-config-version.cmake") set(project_config "${PROJECT_BINARY_DIR}/cxxopts-config.cmake") set(targets_export_name cxxopts-targets) set(PackagingTemplatesDir "${PROJECT_SOURCE_DIR}/packaging") if(${CMAKE_VERSION} VERSION_GREATER "3.14") set(OPTIONAL_ARCH_INDEPENDENT "ARCH_INDEPENDENT") endif() # Generate the version, config and target files into the build directory. write_basic_package_version_file( ${version_config} VERSION ${VERSION} COMPATIBILITY AnyNewerVersion ${OPTIONAL_ARCH_INDEPENDENT} ) configure_package_config_file( ${PackagingTemplatesDir}/cxxopts-config.cmake.in ${project_config} INSTALL_DESTINATION ${CXXOPTS_CMAKE_DIR}) export(TARGETS cxxopts NAMESPACE cxxopts:: FILE ${PROJECT_BINARY_DIR}/${targets_export_name}.cmake) # Install version, config and target files. install( FILES ${project_config} ${version_config} DESTINATION ${CXXOPTS_CMAKE_DIR}) install(EXPORT ${targets_export_name} DESTINATION ${CXXOPTS_CMAKE_DIR} NAMESPACE cxxopts::) # Install the header file and export the target install(TARGETS cxxopts EXPORT ${targets_export_name} DESTINATION ${CMAKE_INSTALL_LIBDIR}) install(FILES ${PROJECT_SOURCE_DIR}/include/cxxopts.hpp DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) set(CPACK_PACKAGE_NAME "${PROJECT_NAME}") set(CPACK_PACKAGE_VENDOR "cxxopt developers") set(CPACK_PACKAGE_DESCRIPTION "${PROJECT_DESCRIPTION}") set(CPACK_DEBIAN_PACKAGE_NAME "${CPACK_PACKAGE_NAME}") set(CPACK_RPM_PACKAGE_NAME "${CPACK_PACKAGE_NAME}") set(CPACK_PACKAGE_HOMEPAGE_URL "${PROJECT_HOMEPAGE_URL}") set(CPACK_PACKAGE_MAINTAINER "${CPACK_PACKAGE_VENDOR}") set(CPACK_DEBIAN_PACKAGE_MAINTAINER "${CPACK_PACKAGE_MAINTAINER}") set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE") set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/README.md") set(CPACK_DEBIAN_PACKAGE_NAME "lib${PROJECT_NAME}-dev") set(CPACK_DEBIAN_PACKAGE_DEPENDS "libc6-dev") set(CPACK_DEBIAN_PACKAGE_SUGGESTS "cmake, pkg-config, pkg-conf") set(CPACK_RPM_PACKAGE_NAME "lib${PROJECT_NAME}-devel") set(CPACK_RPM_PACKAGE_SUGGESTS "${CPACK_DEBIAN_PACKAGE_SUGGESTS}") set(CPACK_DEB_COMPONENT_INSTALL ON) set(CPACK_RPM_COMPONENT_INSTALL ON) set(CPACK_NSIS_COMPONENT_INSTALL ON) set(CPACK_DEBIAN_COMPRESSION_TYPE "xz") set(PKG_CONFIG_FILE_NAME "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc") configure_file("${PackagingTemplatesDir}/pkgconfig.pc.in" "${PKG_CONFIG_FILE_NAME}" @ONLY) install(FILES "${PKG_CONFIG_FILE_NAME}" DESTINATION "${CMAKE_INSTALL_LIBDIR_ARCHIND}/pkgconfig" ) include(CPack) endfunction() cxxopts-3.0.0/include/000077500000000000000000000000001413410235500146435ustar00rootroot00000000000000cxxopts-3.0.0/include/CMakeLists.txt000066400000000000000000000023051413410235500174030ustar00rootroot00000000000000# Copyright (c) 2014 Jarryd Beck # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. target_include_directories(cxxopts INTERFACE $ $ ) cxxopts-3.0.0/include/cxxopts.hpp000066400000000000000000001570611413410235500170760ustar00rootroot00000000000000/* Copyright (c) 2014, 2015, 2016, 2017 Jarryd Beck Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef CXXOPTS_HPP_INCLUDED #define CXXOPTS_HPP_INCLUDED #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if defined(__GNUC__) && !defined(__clang__) # if (__GNUC__ * 10 + __GNUC_MINOR__) < 49 # define CXXOPTS_NO_REGEX true # endif #endif #ifndef CXXOPTS_NO_REGEX # include #endif // CXXOPTS_NO_REGEX // Nonstandard before C++17, which is coincidentally what we also need for #ifdef __has_include # if __has_include() # include # ifdef __cpp_lib_optional # define CXXOPTS_HAS_OPTIONAL # endif # endif #endif #if __cplusplus >= 201603L #define CXXOPTS_NODISCARD [[nodiscard]] #else #define CXXOPTS_NODISCARD #endif #ifndef CXXOPTS_VECTOR_DELIMITER #define CXXOPTS_VECTOR_DELIMITER ',' #endif #define CXXOPTS__VERSION_MAJOR 3 #define CXXOPTS__VERSION_MINOR 0 #define CXXOPTS__VERSION_PATCH 0 #if (__GNUC__ < 10 || (__GNUC__ == 10 && __GNUC_MINOR__ < 1)) && __GNUC__ >= 6 #define CXXOPTS_NULL_DEREF_IGNORE #endif namespace cxxopts { static constexpr struct { uint8_t major, minor, patch; } version = { CXXOPTS__VERSION_MAJOR, CXXOPTS__VERSION_MINOR, CXXOPTS__VERSION_PATCH }; } // namespace cxxopts //when we ask cxxopts to use Unicode, help strings are processed using ICU, //which results in the correct lengths being computed for strings when they //are formatted for the help output //it is necessary to make sure that can be found by the //compiler, and that icu-uc is linked in to the binary. #ifdef CXXOPTS_USE_UNICODE #include namespace cxxopts { using String = icu::UnicodeString; inline String toLocalString(std::string s) { return icu::UnicodeString::fromUTF8(std::move(s)); } #if defined(__GNUC__) // GNU GCC with -Weffc++ will issue a warning regarding the upcoming class, we want to silence it: // warning: base class 'class std::enable_shared_from_this' has accessible non-virtual destructor #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wnon-virtual-dtor" #pragma GCC diagnostic ignored "-Weffc++" // This will be ignored under other compilers like LLVM clang. #endif class UnicodeStringIterator : public std::iterator { public: UnicodeStringIterator(const icu::UnicodeString* string, int32_t pos) : s(string) , i(pos) { } value_type operator*() const { return s->char32At(i); } bool operator==(const UnicodeStringIterator& rhs) const { return s == rhs.s && i == rhs.i; } bool operator!=(const UnicodeStringIterator& rhs) const { return !(*this == rhs); } UnicodeStringIterator& operator++() { ++i; return *this; } UnicodeStringIterator operator+(int32_t v) { return UnicodeStringIterator(s, i + v); } private: const icu::UnicodeString* s; int32_t i; }; #if defined(__GNUC__) #pragma GCC diagnostic pop #endif inline String& stringAppend(String&s, String a) { return s.append(std::move(a)); } inline String& stringAppend(String& s, size_t n, UChar32 c) { for (size_t i = 0; i != n; ++i) { s.append(c); } return s; } template String& stringAppend(String& s, Iterator begin, Iterator end) { while (begin != end) { s.append(*begin); ++begin; } return s; } inline size_t stringLength(const String& s) { return s.length(); } inline std::string toUTF8String(const String& s) { std::string result; s.toUTF8String(result); return result; } inline bool empty(const String& s) { return s.isEmpty(); } } namespace std { inline cxxopts::UnicodeStringIterator begin(const icu::UnicodeString& s) { return cxxopts::UnicodeStringIterator(&s, 0); } inline cxxopts::UnicodeStringIterator end(const icu::UnicodeString& s) { return cxxopts::UnicodeStringIterator(&s, s.length()); } } //ifdef CXXOPTS_USE_UNICODE #else namespace cxxopts { using String = std::string; template T toLocalString(T&& t) { return std::forward(t); } inline size_t stringLength(const String& s) { return s.length(); } inline String& stringAppend(String&s, const String& a) { return s.append(a); } inline String& stringAppend(String& s, size_t n, char c) { return s.append(n, c); } template String& stringAppend(String& s, Iterator begin, Iterator end) { return s.append(begin, end); } template std::string toUTF8String(T&& t) { return std::forward(t); } inline bool empty(const std::string& s) { return s.empty(); } } // namespace cxxopts //ifdef CXXOPTS_USE_UNICODE #endif namespace cxxopts { namespace { #ifdef _WIN32 const std::string LQUOTE("\'"); const std::string RQUOTE("\'"); #else const std::string LQUOTE("‘"); const std::string RQUOTE("’"); #endif } // namespace #if defined(__GNUC__) // GNU GCC with -Weffc++ will issue a warning regarding the upcoming class, we want to silence it: // warning: base class 'class std::enable_shared_from_this' has accessible non-virtual destructor #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wnon-virtual-dtor" #pragma GCC diagnostic ignored "-Weffc++" // This will be ignored under other compilers like LLVM clang. #endif class Value : public std::enable_shared_from_this { public: virtual ~Value() = default; virtual std::shared_ptr clone() const = 0; virtual void parse(const std::string& text) const = 0; virtual void parse() const = 0; virtual bool has_default() const = 0; virtual bool is_container() const = 0; virtual bool has_implicit() const = 0; virtual std::string get_default_value() const = 0; virtual std::string get_implicit_value() const = 0; virtual std::shared_ptr default_value(const std::string& value) = 0; virtual std::shared_ptr implicit_value(const std::string& value) = 0; virtual std::shared_ptr no_implicit_value() = 0; virtual bool is_boolean() const = 0; }; #if defined(__GNUC__) #pragma GCC diagnostic pop #endif class OptionException : public std::exception { public: explicit OptionException(std::string message) : m_message(std::move(message)) { } CXXOPTS_NODISCARD const char* what() const noexcept override { return m_message.c_str(); } private: std::string m_message; }; class OptionSpecException : public OptionException { public: explicit OptionSpecException(const std::string& message) : OptionException(message) { } }; class OptionParseException : public OptionException { public: explicit OptionParseException(const std::string& message) : OptionException(message) { } }; class option_exists_error : public OptionSpecException { public: explicit option_exists_error(const std::string& option) : OptionSpecException("Option " + LQUOTE + option + RQUOTE + " already exists") { } }; class invalid_option_format_error : public OptionSpecException { public: explicit invalid_option_format_error(const std::string& format) : OptionSpecException("Invalid option format " + LQUOTE + format + RQUOTE) { } }; class option_syntax_exception : public OptionParseException { public: explicit option_syntax_exception(const std::string& text) : OptionParseException("Argument " + LQUOTE + text + RQUOTE + " starts with a - but has incorrect syntax") { } }; class option_not_exists_exception : public OptionParseException { public: explicit option_not_exists_exception(const std::string& option) : OptionParseException("Option " + LQUOTE + option + RQUOTE + " does not exist") { } }; class missing_argument_exception : public OptionParseException { public: explicit missing_argument_exception(const std::string& option) : OptionParseException( "Option " + LQUOTE + option + RQUOTE + " is missing an argument" ) { } }; class option_requires_argument_exception : public OptionParseException { public: explicit option_requires_argument_exception(const std::string& option) : OptionParseException( "Option " + LQUOTE + option + RQUOTE + " requires an argument" ) { } }; class option_not_has_argument_exception : public OptionParseException { public: option_not_has_argument_exception ( const std::string& option, const std::string& arg ) : OptionParseException( "Option " + LQUOTE + option + RQUOTE + " does not take an argument, but argument " + LQUOTE + arg + RQUOTE + " given" ) { } }; class option_not_present_exception : public OptionParseException { public: explicit option_not_present_exception(const std::string& option) : OptionParseException("Option " + LQUOTE + option + RQUOTE + " not present") { } }; class option_has_no_value_exception : public OptionException { public: explicit option_has_no_value_exception(const std::string& option) : OptionException( !option.empty() ? ("Option " + LQUOTE + option + RQUOTE + " has no value") : "Option has no value") { } }; class argument_incorrect_type : public OptionParseException { public: explicit argument_incorrect_type ( const std::string& arg ) : OptionParseException( "Argument " + LQUOTE + arg + RQUOTE + " failed to parse" ) { } }; class option_required_exception : public OptionParseException { public: explicit option_required_exception(const std::string& option) : OptionParseException( "Option " + LQUOTE + option + RQUOTE + " is required but not present" ) { } }; template void throw_or_mimic(const std::string& text) { static_assert(std::is_base_of::value, "throw_or_mimic only works on std::exception and " "deriving classes"); #ifndef CXXOPTS_NO_EXCEPTIONS // If CXXOPTS_NO_EXCEPTIONS is not defined, just throw throw T{text}; #else // Otherwise manually instantiate the exception, print what() to stderr, // and exit T exception{text}; std::cerr << exception.what() << std::endl; std::exit(EXIT_FAILURE); #endif } namespace values { namespace parser_tool { struct IntegerDesc { std::string negative = ""; std::string base = ""; std::string value = ""; }; struct ArguDesc { std::string arg_name = ""; bool grouping = false; bool set_value = false; std::string value = ""; }; #ifdef CXXOPTS_NO_REGEX inline IntegerDesc SplitInteger(const std::string &text) { if (text.empty()) { throw_or_mimic(text); } IntegerDesc desc; const char *pdata = text.c_str(); if (*pdata == '-') { pdata += 1; desc.negative = "-"; } if (strncmp(pdata, "0x", 2) == 0) { pdata += 2; desc.base = "0x"; } if (*pdata != '\0') { desc.value = std::string(pdata); } else { throw_or_mimic(text); } return desc; } inline bool IsTrueText(const std::string &text) { const char *pdata = text.c_str(); if (*pdata == 't' || *pdata == 'T') { pdata += 1; if (strncmp(pdata, "rue\0", 4) == 0) { return true; } } else if (strncmp(pdata, "1\0", 2) == 0) { return true; } return false; } inline bool IsFalseText(const std::string &text) { const char *pdata = text.c_str(); if (*pdata == 'f' || *pdata == 'F') { pdata += 1; if (strncmp(pdata, "alse\0", 5) == 0) { return true; } } else if (strncmp(pdata, "0\0", 2) == 0) { return true; } return false; } inline std::pair SplitSwitchDef(const std::string &text) { std::string short_sw, long_sw; const char *pdata = text.c_str(); if (isalnum(*pdata) && *(pdata + 1) == ',') { short_sw = std::string(1, *pdata); pdata += 2; } while (*pdata == ' ') { pdata += 1; } if (isalnum(*pdata)) { const char *store = pdata; pdata += 1; while (isalnum(*pdata) || *pdata == '-' || *pdata == '_') { pdata += 1; } if (*pdata == '\0') { long_sw = std::string(store, pdata - store); } else { throw_or_mimic(text); } } return std::pair(short_sw, long_sw); } inline ArguDesc ParseArgument(const char *arg, bool &matched) { ArguDesc argu_desc; const char *pdata = arg; matched = false; if (strncmp(pdata, "--", 2) == 0) { pdata += 2; if (isalnum(*pdata)) { argu_desc.arg_name.push_back(*pdata); pdata += 1; while (isalnum(*pdata) || *pdata == '-' || *pdata == '_') { argu_desc.arg_name.push_back(*pdata); pdata += 1; } if (argu_desc.arg_name.length() > 1) { if (*pdata == '=') { argu_desc.set_value = true; pdata += 1; if (*pdata != '\0') { argu_desc.value = std::string(pdata); } matched = true; } else if (*pdata == '\0') { matched = true; } } } } else if (strncmp(pdata, "-", 1) == 0) { pdata += 1; argu_desc.grouping = true; while (isalnum(*pdata)) { argu_desc.arg_name.push_back(*pdata); pdata += 1; } matched = !argu_desc.arg_name.empty() && *pdata == '\0'; } return argu_desc; } #else // CXXOPTS_NO_REGEX namespace { std::basic_regex integer_pattern ("(-)?(0x)?([0-9a-zA-Z]+)|((0x)?0)"); std::basic_regex truthy_pattern ("(t|T)(rue)?|1"); std::basic_regex falsy_pattern ("(f|F)(alse)?|0"); std::basic_regex option_matcher ("--([[:alnum:]][-_[:alnum:]]+)(=(.*))?|-([[:alnum:]]+)"); std::basic_regex option_specifier ("(([[:alnum:]]),)?[ ]*([[:alnum:]][-_[:alnum:]]*)?"); } // namespace inline IntegerDesc SplitInteger(const std::string &text) { std::smatch match; std::regex_match(text, match, integer_pattern); if (match.length() == 0) { throw_or_mimic(text); } IntegerDesc desc; desc.negative = match[1]; desc.base = match[2]; desc.value = match[3]; if (match.length(4) > 0) { desc.base = match[5]; desc.value = "0"; return desc; } return desc; } inline bool IsTrueText(const std::string &text) { std::smatch result; std::regex_match(text, result, truthy_pattern); return !result.empty(); } inline bool IsFalseText(const std::string &text) { std::smatch result; std::regex_match(text, result, falsy_pattern); return !result.empty(); } inline std::pair SplitSwitchDef(const std::string &text) { std::match_results result; std::regex_match(text.c_str(), result, option_specifier); if (result.empty()) { throw_or_mimic(text); } const std::string& short_sw = result[2]; const std::string& long_sw = result[3]; return std::pair(short_sw, long_sw); } inline ArguDesc ParseArgument(const char *arg, bool &matched) { std::match_results result; std::regex_match(arg, result, option_matcher); matched = !result.empty(); ArguDesc argu_desc; if (matched) { argu_desc.arg_name = result[1].str(); argu_desc.set_value = result[2].length() > 0; argu_desc.value = result[3].str(); if (result[4].length() > 0) { argu_desc.grouping = true; argu_desc.arg_name = result[4].str(); } } return argu_desc; } #endif // CXXOPTS_NO_REGEX #undef CXXOPTS_NO_REGEX } namespace detail { template struct SignedCheck; template struct SignedCheck { template void operator()(bool negative, U u, const std::string& text) { if (negative) { if (u > static_cast((std::numeric_limits::min)())) { throw_or_mimic(text); } } else { if (u > static_cast((std::numeric_limits::max)())) { throw_or_mimic(text); } } } }; template struct SignedCheck { template void operator()(bool, U, const std::string&) const {} }; template void check_signed_range(bool negative, U value, const std::string& text) { SignedCheck::is_signed>()(negative, value, text); } } // namespace detail template void checked_negate(R& r, T&& t, const std::string&, std::true_type) { // if we got to here, then `t` is a positive number that fits into // `R`. So to avoid MSVC C4146, we first cast it to `R`. // See https://github.com/jarro2783/cxxopts/issues/62 for more details. r = static_cast(-static_cast(t-1)-1); } template void checked_negate(R&, T&&, const std::string& text, std::false_type) { throw_or_mimic(text); } template void integer_parser(const std::string& text, T& value) { parser_tool::IntegerDesc int_desc = parser_tool::SplitInteger(text); using US = typename std::make_unsigned::type; constexpr bool is_signed = std::numeric_limits::is_signed; const bool negative = int_desc.negative.length() > 0; const uint8_t base = int_desc.base.length() > 0 ? 16 : 10; const std::string & value_match = int_desc.value; US result = 0; for (char ch : value_match) { US digit = 0; if (ch >= '0' && ch <= '9') { digit = static_cast(ch - '0'); } else if (base == 16 && ch >= 'a' && ch <= 'f') { digit = static_cast(ch - 'a' + 10); } else if (base == 16 && ch >= 'A' && ch <= 'F') { digit = static_cast(ch - 'A' + 10); } else { throw_or_mimic(text); } const US next = static_cast(result * base + digit); if (result > next) { throw_or_mimic(text); } result = next; } detail::check_signed_range(negative, result, text); if (negative) { checked_negate(value, result, text, std::integral_constant()); } else { value = static_cast(result); } } template void stringstream_parser(const std::string& text, T& value) { std::stringstream in(text); in >> value; if (!in) { throw_or_mimic(text); } } template ::value>::type* = nullptr > void parse_value(const std::string& text, T& value) { integer_parser(text, value); } inline void parse_value(const std::string& text, bool& value) { if (parser_tool::IsTrueText(text)) { value = true; return; } if (parser_tool::IsFalseText(text)) { value = false; return; } throw_or_mimic(text); } inline void parse_value(const std::string& text, std::string& value) { value = text; } // The fallback parser. It uses the stringstream parser to parse all types // that have not been overloaded explicitly. It has to be placed in the // source code before all other more specialized templates. template ::value>::type* = nullptr > void parse_value(const std::string& text, T& value) { stringstream_parser(text, value); } template void parse_value(const std::string& text, std::vector& value) { if (text.empty()) { T v; parse_value(text, v); value.emplace_back(std::move(v)); return; } std::stringstream in(text); std::string token; while(!in.eof() && std::getline(in, token, CXXOPTS_VECTOR_DELIMITER)) { T v; parse_value(token, v); value.emplace_back(std::move(v)); } } #ifdef CXXOPTS_HAS_OPTIONAL template void parse_value(const std::string& text, std::optional& value) { T result; parse_value(text, result); value = std::move(result); } #endif inline void parse_value(const std::string& text, char& c) { if (text.length() != 1) { throw_or_mimic(text); } c = text[0]; } template struct type_is_container { static constexpr bool value = false; }; template struct type_is_container> { static constexpr bool value = true; }; template class abstract_value : public Value { using Self = abstract_value; public: abstract_value() : m_result(std::make_shared()) , m_store(m_result.get()) { } explicit abstract_value(T* t) : m_store(t) { } ~abstract_value() override = default; abstract_value& operator=(const abstract_value&) = default; abstract_value(const abstract_value& rhs) { if (rhs.m_result) { m_result = std::make_shared(); m_store = m_result.get(); } else { m_store = rhs.m_store; } m_default = rhs.m_default; m_implicit = rhs.m_implicit; m_default_value = rhs.m_default_value; m_implicit_value = rhs.m_implicit_value; } void parse(const std::string& text) const override { parse_value(text, *m_store); } bool is_container() const override { return type_is_container::value; } void parse() const override { parse_value(m_default_value, *m_store); } bool has_default() const override { return m_default; } bool has_implicit() const override { return m_implicit; } std::shared_ptr default_value(const std::string& value) override { m_default = true; m_default_value = value; return shared_from_this(); } std::shared_ptr implicit_value(const std::string& value) override { m_implicit = true; m_implicit_value = value; return shared_from_this(); } std::shared_ptr no_implicit_value() override { m_implicit = false; return shared_from_this(); } std::string get_default_value() const override { return m_default_value; } std::string get_implicit_value() const override { return m_implicit_value; } bool is_boolean() const override { return std::is_same::value; } const T& get() const { if (m_store == nullptr) { return *m_result; } return *m_store; } protected: std::shared_ptr m_result{}; T* m_store{}; bool m_default = false; bool m_implicit = false; std::string m_default_value{}; std::string m_implicit_value{}; }; template class standard_value : public abstract_value { public: using abstract_value::abstract_value; CXXOPTS_NODISCARD std::shared_ptr clone() const override { return std::make_shared>(*this); } }; template <> class standard_value : public abstract_value { public: ~standard_value() override = default; standard_value() { set_default_and_implicit(); } explicit standard_value(bool* b) : abstract_value(b) { set_default_and_implicit(); } std::shared_ptr clone() const override { return std::make_shared>(*this); } private: void set_default_and_implicit() { m_default = true; m_default_value = "false"; m_implicit = true; m_implicit_value = "true"; } }; } // namespace values template std::shared_ptr value() { return std::make_shared>(); } template std::shared_ptr value(T& t) { return std::make_shared>(&t); } class OptionAdder; class OptionDetails { public: OptionDetails ( std::string short_, std::string long_, String desc, std::shared_ptr val ) : m_short(std::move(short_)) , m_long(std::move(long_)) , m_desc(std::move(desc)) , m_value(std::move(val)) , m_count(0) { m_hash = std::hash{}(m_long + m_short); } OptionDetails(const OptionDetails& rhs) : m_desc(rhs.m_desc) , m_value(rhs.m_value->clone()) , m_count(rhs.m_count) { } OptionDetails(OptionDetails&& rhs) = default; CXXOPTS_NODISCARD const String& description() const { return m_desc; } CXXOPTS_NODISCARD const Value& value() const { return *m_value; } CXXOPTS_NODISCARD std::shared_ptr make_storage() const { return m_value->clone(); } CXXOPTS_NODISCARD const std::string& short_name() const { return m_short; } CXXOPTS_NODISCARD const std::string& long_name() const { return m_long; } size_t hash() const { return m_hash; } private: std::string m_short{}; std::string m_long{}; String m_desc{}; std::shared_ptr m_value{}; int m_count; size_t m_hash{}; }; struct HelpOptionDetails { std::string s; std::string l; String desc; bool has_default; std::string default_value; bool has_implicit; std::string implicit_value; std::string arg_help; bool is_container; bool is_boolean; }; struct HelpGroupDetails { std::string name{}; std::string description{}; std::vector options{}; }; class OptionValue { public: void parse ( const std::shared_ptr& details, const std::string& text ) { ensure_value(details); ++m_count; m_value->parse(text); m_long_name = &details->long_name(); } void parse_default(const std::shared_ptr& details) { ensure_value(details); m_default = true; m_long_name = &details->long_name(); m_value->parse(); } void parse_no_value(const std::shared_ptr& details) { m_long_name = &details->long_name(); } #if defined(CXXOPTS_NULL_DEREF_IGNORE) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wnull-dereference" #endif CXXOPTS_NODISCARD size_t count() const noexcept { return m_count; } #if defined(CXXOPTS_NULL_DEREF_IGNORE) #pragma GCC diagnostic pop #endif // TODO: maybe default options should count towards the number of arguments CXXOPTS_NODISCARD bool has_default() const noexcept { return m_default; } template const T& as() const { if (m_value == nullptr) { throw_or_mimic( m_long_name == nullptr ? "" : *m_long_name); } #ifdef CXXOPTS_NO_RTTI return static_cast&>(*m_value).get(); #else return dynamic_cast&>(*m_value).get(); #endif } private: void ensure_value(const std::shared_ptr& details) { if (m_value == nullptr) { m_value = details->make_storage(); } } const std::string* m_long_name = nullptr; // Holding this pointer is safe, since OptionValue's only exist in key-value pairs, // where the key has the string we point to. std::shared_ptr m_value{}; size_t m_count = 0; bool m_default = false; }; class KeyValue { public: KeyValue(std::string key_, std::string value_) : m_key(std::move(key_)) , m_value(std::move(value_)) { } CXXOPTS_NODISCARD const std::string& key() const { return m_key; } CXXOPTS_NODISCARD const std::string& value() const { return m_value; } template T as() const { T result; values::parse_value(m_value, result); return result; } private: std::string m_key; std::string m_value; }; using ParsedHashMap = std::unordered_map; using NameHashMap = std::unordered_map; class ParseResult { public: ParseResult() = default; ParseResult(const ParseResult&) = default; ParseResult(NameHashMap&& keys, ParsedHashMap&& values, std::vector sequential, std::vector&& unmatched_args) : m_keys(std::move(keys)) , m_values(std::move(values)) , m_sequential(std::move(sequential)) , m_unmatched(std::move(unmatched_args)) { } ParseResult& operator=(ParseResult&&) = default; ParseResult& operator=(const ParseResult&) = default; size_t count(const std::string& o) const { auto iter = m_keys.find(o); if (iter == m_keys.end()) { return 0; } auto viter = m_values.find(iter->second); if (viter == m_values.end()) { return 0; } return viter->second.count(); } const OptionValue& operator[](const std::string& option) const { auto iter = m_keys.find(option); if (iter == m_keys.end()) { throw_or_mimic(option); } auto viter = m_values.find(iter->second); if (viter == m_values.end()) { throw_or_mimic(option); } return viter->second; } const std::vector& arguments() const { return m_sequential; } const std::vector& unmatched() const { return m_unmatched; } private: NameHashMap m_keys{}; ParsedHashMap m_values{}; std::vector m_sequential{}; std::vector m_unmatched{}; }; struct Option { Option ( std::string opts, std::string desc, std::shared_ptr value = ::cxxopts::value(), std::string arg_help = "" ) : opts_(std::move(opts)) , desc_(std::move(desc)) , value_(std::move(value)) , arg_help_(std::move(arg_help)) { } std::string opts_; std::string desc_; std::shared_ptr value_; std::string arg_help_; }; using OptionMap = std::unordered_map>; using PositionalList = std::vector; using PositionalListIterator = PositionalList::const_iterator; class OptionParser { public: OptionParser(const OptionMap& options, const PositionalList& positional, bool allow_unrecognised) : m_options(options) , m_positional(positional) , m_allow_unrecognised(allow_unrecognised) { } ParseResult parse(int argc, const char* const* argv); bool consume_positional(const std::string& a, PositionalListIterator& next); void checked_parse_arg ( int argc, const char* const* argv, int& current, const std::shared_ptr& value, const std::string& name ); void add_to_option(OptionMap::const_iterator iter, const std::string& option, const std::string& arg); void parse_option ( const std::shared_ptr& value, const std::string& name, const std::string& arg = "" ); void parse_default(const std::shared_ptr& details); void parse_no_value(const std::shared_ptr& details); private: void finalise_aliases(); const OptionMap& m_options; const PositionalList& m_positional; std::vector m_sequential{}; bool m_allow_unrecognised; ParsedHashMap m_parsed{}; NameHashMap m_keys{}; }; class Options { public: explicit Options(std::string program, std::string help_string = "") : m_program(std::move(program)) , m_help_string(toLocalString(std::move(help_string))) , m_custom_help("[OPTION...]") , m_positional_help("positional parameters") , m_show_positional(false) , m_allow_unrecognised(false) , m_width(76) , m_tab_expansion(false) , m_options(std::make_shared()) { } Options& positional_help(std::string help_text) { m_positional_help = std::move(help_text); return *this; } Options& custom_help(std::string help_text) { m_custom_help = std::move(help_text); return *this; } Options& show_positional_help() { m_show_positional = true; return *this; } Options& allow_unrecognised_options() { m_allow_unrecognised = true; return *this; } Options& set_width(size_t width) { m_width = width; return *this; } Options& set_tab_expansion(bool expansion=true) { m_tab_expansion = expansion; return *this; } ParseResult parse(int argc, const char* const* argv); OptionAdder add_options(std::string group = ""); void add_options ( const std::string& group, std::initializer_list