mirror of
https://github.com/CLIUtils/CLI11.git
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ffd11bfc01
The extra leading `"CLI/"` part of include directives prevents the inclusion of `CLI.hpp` from a relative directory without an extra `-I` or `/I` compiler directive, and makes it harder to make CLI11 part of a larger codebase. This is a regression of #475.
612 lines
24 KiB
C++
612 lines
24 KiB
C++
// Copyright (c) 2017-2024, University of Cincinnati, developed by Henry Schreiner
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// under NSF AWARD 1414736 and by the respective contributors.
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// All rights reserved.
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//
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// SPDX-License-Identifier: BSD-3-Clause
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#pragma once
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// This include is only needed for IDEs to discover symbols
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#include "../Config.hpp"
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// [CLI11:public_includes:set]
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#include <algorithm>
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#include <string>
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#include <utility>
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#include <vector>
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// [CLI11:public_includes:end]
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namespace CLI {
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// [CLI11:config_inl_hpp:verbatim]
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static constexpr auto multiline_literal_quote = R"(''')";
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static constexpr auto multiline_string_quote = R"(""")";
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namespace detail {
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CLI11_INLINE bool is_printable(const std::string &test_string) {
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return std::all_of(test_string.begin(), test_string.end(), [](char x) {
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return (isprint(static_cast<unsigned char>(x)) != 0 || x == '\n' || x == '\t');
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});
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}
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CLI11_INLINE std::string
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convert_arg_for_ini(const std::string &arg, char stringQuote, char literalQuote, bool disable_multi_line) {
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if(arg.empty()) {
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return std::string(2, stringQuote);
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}
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// some specifically supported strings
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if(arg == "true" || arg == "false" || arg == "nan" || arg == "inf") {
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return arg;
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}
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// floating point conversion can convert some hex codes, but don't try that here
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if(arg.compare(0, 2, "0x") != 0 && arg.compare(0, 2, "0X") != 0) {
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using CLI::detail::lexical_cast;
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double val = 0.0;
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if(lexical_cast(arg, val)) {
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if(arg.find_first_not_of("0123456789.-+eE") == std::string::npos) {
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return arg;
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}
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}
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}
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// just quote a single non numeric character
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if(arg.size() == 1) {
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if(isprint(static_cast<unsigned char>(arg.front())) == 0) {
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return binary_escape_string(arg);
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}
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if(arg == "'") {
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return std::string(1, stringQuote) + "'" + stringQuote;
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}
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return std::string(1, literalQuote) + arg + literalQuote;
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}
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// handle hex, binary or octal arguments
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if(arg.front() == '0') {
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if(arg[1] == 'x') {
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if(std::all_of(arg.begin() + 2, arg.end(), [](char x) {
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return (x >= '0' && x <= '9') || (x >= 'A' && x <= 'F') || (x >= 'a' && x <= 'f');
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})) {
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return arg;
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}
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} else if(arg[1] == 'o') {
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if(std::all_of(arg.begin() + 2, arg.end(), [](char x) { return (x >= '0' && x <= '7'); })) {
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return arg;
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}
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} else if(arg[1] == 'b') {
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if(std::all_of(arg.begin() + 2, arg.end(), [](char x) { return (x == '0' || x == '1'); })) {
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return arg;
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}
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}
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}
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if(!is_printable(arg)) {
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return binary_escape_string(arg);
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}
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if(detail::has_escapable_character(arg)) {
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if(arg.size() > 100 && !disable_multi_line) {
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return std::string(multiline_literal_quote) + arg + multiline_literal_quote;
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}
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return std::string(1, stringQuote) + detail::add_escaped_characters(arg) + stringQuote;
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}
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return std::string(1, stringQuote) + arg + stringQuote;
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}
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CLI11_INLINE std::string ini_join(const std::vector<std::string> &args,
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char sepChar,
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char arrayStart,
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char arrayEnd,
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char stringQuote,
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char literalQuote) {
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bool disable_multi_line{false};
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std::string joined;
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if(args.size() > 1 && arrayStart != '\0') {
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joined.push_back(arrayStart);
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disable_multi_line = true;
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}
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std::size_t start = 0;
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for(const auto &arg : args) {
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if(start++ > 0) {
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joined.push_back(sepChar);
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if(!std::isspace<char>(sepChar, std::locale())) {
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joined.push_back(' ');
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}
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}
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joined.append(convert_arg_for_ini(arg, stringQuote, literalQuote, disable_multi_line));
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}
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if(args.size() > 1 && arrayEnd != '\0') {
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joined.push_back(arrayEnd);
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}
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return joined;
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}
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CLI11_INLINE std::vector<std::string>
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generate_parents(const std::string §ion, std::string &name, char parentSeparator) {
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std::vector<std::string> parents;
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if(detail::to_lower(section) != "default") {
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if(section.find(parentSeparator) != std::string::npos) {
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parents = detail::split_up(section, parentSeparator);
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} else {
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parents = {section};
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}
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}
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if(name.find(parentSeparator) != std::string::npos) {
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std::vector<std::string> plist = detail::split_up(name, parentSeparator);
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name = plist.back();
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plist.pop_back();
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parents.insert(parents.end(), plist.begin(), plist.end());
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}
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// clean up quotes on the parents
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try {
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detail::remove_quotes(parents);
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} catch(const std::invalid_argument &iarg) {
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throw CLI::ParseError(iarg.what(), CLI::ExitCodes::InvalidError);
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}
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return parents;
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}
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CLI11_INLINE void
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checkParentSegments(std::vector<ConfigItem> &output, const std::string ¤tSection, char parentSeparator) {
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std::string estring;
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auto parents = detail::generate_parents(currentSection, estring, parentSeparator);
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if(!output.empty() && output.back().name == "--") {
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std::size_t msize = (parents.size() > 1U) ? parents.size() : 2;
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while(output.back().parents.size() >= msize) {
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output.push_back(output.back());
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output.back().parents.pop_back();
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}
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if(parents.size() > 1) {
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std::size_t common = 0;
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std::size_t mpair = (std::min)(output.back().parents.size(), parents.size() - 1);
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for(std::size_t ii = 0; ii < mpair; ++ii) {
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if(output.back().parents[ii] != parents[ii]) {
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break;
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}
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++common;
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}
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if(common == mpair) {
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output.pop_back();
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} else {
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while(output.back().parents.size() > common + 1) {
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output.push_back(output.back());
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output.back().parents.pop_back();
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}
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}
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for(std::size_t ii = common; ii < parents.size() - 1; ++ii) {
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output.emplace_back();
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output.back().parents.assign(parents.begin(), parents.begin() + static_cast<std::ptrdiff_t>(ii) + 1);
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output.back().name = "++";
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}
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}
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} else if(parents.size() > 1) {
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for(std::size_t ii = 0; ii < parents.size() - 1; ++ii) {
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output.emplace_back();
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output.back().parents.assign(parents.begin(), parents.begin() + static_cast<std::ptrdiff_t>(ii) + 1);
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output.back().name = "++";
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}
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}
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// insert a section end which is just an empty items_buffer
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output.emplace_back();
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output.back().parents = std::move(parents);
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output.back().name = "++";
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}
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/// @brief checks if a string represents a multiline comment
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CLI11_INLINE bool hasMLString(std::string const &fullString, char check) {
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if(fullString.length() < 3) {
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return false;
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}
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auto it = fullString.rbegin();
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return (*it == check) && (*(it + 1) == check) && (*(it + 2) == check);
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}
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} // namespace detail
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inline std::vector<ConfigItem> ConfigBase::from_config(std::istream &input) const {
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std::string line;
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std::string buffer;
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std::string currentSection = "default";
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std::string previousSection = "default";
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std::vector<ConfigItem> output;
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bool isDefaultArray = (arrayStart == '[' && arrayEnd == ']' && arraySeparator == ',');
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bool isINIArray = (arrayStart == '\0' || arrayStart == ' ') && arrayStart == arrayEnd;
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bool inSection{false};
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bool inMLineComment{false};
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bool inMLineValue{false};
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char aStart = (isINIArray) ? '[' : arrayStart;
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char aEnd = (isINIArray) ? ']' : arrayEnd;
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char aSep = (isINIArray && arraySeparator == ' ') ? ',' : arraySeparator;
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int currentSectionIndex{0};
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std::string line_sep_chars{parentSeparatorChar, commentChar, valueDelimiter};
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while(getline(input, buffer)) {
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std::vector<std::string> items_buffer;
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std::string name;
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line = detail::trim_copy(buffer);
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std::size_t len = line.length();
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// lines have to be at least 3 characters to have any meaning to CLI just skip the rest
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if(len < 3) {
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continue;
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}
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if(line.compare(0, 3, multiline_string_quote) == 0 || line.compare(0, 3, multiline_literal_quote) == 0) {
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inMLineComment = true;
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auto cchar = line.front();
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while(inMLineComment) {
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if(getline(input, line)) {
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detail::trim(line);
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} else {
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break;
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}
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if(detail::hasMLString(line, cchar)) {
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inMLineComment = false;
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}
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}
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continue;
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}
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if(line.front() == '[' && line.back() == ']') {
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if(currentSection != "default") {
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// insert a section end which is just an empty items_buffer
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output.emplace_back();
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output.back().parents = detail::generate_parents(currentSection, name, parentSeparatorChar);
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output.back().name = "--";
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}
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currentSection = line.substr(1, len - 2);
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// deal with double brackets for TOML
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if(currentSection.size() > 1 && currentSection.front() == '[' && currentSection.back() == ']') {
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currentSection = currentSection.substr(1, currentSection.size() - 2);
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}
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if(detail::to_lower(currentSection) == "default") {
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currentSection = "default";
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} else {
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detail::checkParentSegments(output, currentSection, parentSeparatorChar);
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}
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inSection = false;
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if(currentSection == previousSection) {
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++currentSectionIndex;
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} else {
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currentSectionIndex = 0;
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previousSection = currentSection;
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}
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continue;
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}
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// comment lines
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if(line.front() == ';' || line.front() == '#' || line.front() == commentChar) {
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continue;
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}
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std::size_t search_start = 0;
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if(line.find_first_of("\"'`") != std::string::npos) {
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while(search_start < line.size()) {
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auto test_char = line[search_start];
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if(test_char == '\"' || test_char == '\'' || test_char == '`') {
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search_start = detail::close_sequence(line, search_start, line[search_start]);
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++search_start;
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} else if(test_char == valueDelimiter || test_char == commentChar) {
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--search_start;
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break;
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} else if(test_char == ' ' || test_char == '\t' || test_char == parentSeparatorChar) {
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++search_start;
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} else {
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search_start = line.find_first_of(line_sep_chars, search_start);
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}
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}
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}
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// Find = in string, split and recombine
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auto delimiter_pos = line.find_first_of(valueDelimiter, search_start + 1);
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auto comment_pos = line.find_first_of(commentChar, search_start);
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if(comment_pos < delimiter_pos) {
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delimiter_pos = std::string::npos;
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}
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if(delimiter_pos != std::string::npos) {
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name = detail::trim_copy(line.substr(0, delimiter_pos));
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std::string item = detail::trim_copy(line.substr(delimiter_pos + 1, std::string::npos));
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bool mlquote =
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(item.compare(0, 3, multiline_literal_quote) == 0 || item.compare(0, 3, multiline_string_quote) == 0);
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if(!mlquote && comment_pos != std::string::npos) {
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auto citems = detail::split_up(item, commentChar);
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item = detail::trim_copy(citems.front());
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}
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if(mlquote) {
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// mutliline string
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auto keyChar = item.front();
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item = buffer.substr(delimiter_pos + 1, std::string::npos);
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detail::ltrim(item);
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item.erase(0, 3);
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inMLineValue = true;
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bool lineExtension{false};
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bool firstLine = true;
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if(!item.empty() && item.back() == '\\') {
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item.pop_back();
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lineExtension = true;
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}
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while(inMLineValue) {
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std::string l2;
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if(!std::getline(input, l2)) {
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break;
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}
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line = l2;
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detail::rtrim(line);
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if(detail::hasMLString(line, keyChar)) {
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line.pop_back();
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line.pop_back();
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line.pop_back();
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if(lineExtension) {
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detail::ltrim(line);
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} else if(!(firstLine && item.empty())) {
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item.push_back('\n');
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}
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firstLine = false;
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item += line;
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inMLineValue = false;
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if(!item.empty() && item.back() == '\n') {
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item.pop_back();
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}
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if(keyChar == '\"') {
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try {
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item = detail::remove_escaped_characters(item);
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} catch(const std::invalid_argument &iarg) {
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throw CLI::ParseError(iarg.what(), CLI::ExitCodes::InvalidError);
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}
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}
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} else {
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if(lineExtension) {
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detail::trim(l2);
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} else if(!(firstLine && item.empty())) {
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item.push_back('\n');
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}
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lineExtension = false;
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firstLine = false;
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if(!l2.empty() && l2.back() == '\\') {
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lineExtension = true;
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l2.pop_back();
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}
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item += l2;
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}
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}
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items_buffer = {item};
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} else if(item.size() > 1 && item.front() == aStart) {
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for(std::string multiline; item.back() != aEnd && std::getline(input, multiline);) {
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detail::trim(multiline);
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item += multiline;
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}
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if(item.back() == aEnd) {
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items_buffer = detail::split_up(item.substr(1, item.length() - 2), aSep);
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} else {
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items_buffer = detail::split_up(item.substr(1, std::string::npos), aSep);
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}
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} else if((isDefaultArray || isINIArray) && item.find_first_of(aSep) != std::string::npos) {
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items_buffer = detail::split_up(item, aSep);
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} else if((isDefaultArray || isINIArray) && item.find_first_of(' ') != std::string::npos) {
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items_buffer = detail::split_up(item, '\0');
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} else {
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items_buffer = {item};
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}
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} else {
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name = detail::trim_copy(line.substr(0, comment_pos));
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items_buffer = {"true"};
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}
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std::vector<std::string> parents;
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try {
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parents = detail::generate_parents(currentSection, name, parentSeparatorChar);
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detail::process_quoted_string(name);
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// clean up quotes on the items and check for escaped strings
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for(auto &it : items_buffer) {
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detail::process_quoted_string(it, stringQuote, literalQuote);
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}
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} catch(const std::invalid_argument &ia) {
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throw CLI::ParseError(ia.what(), CLI::ExitCodes::InvalidError);
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}
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if(parents.size() > maximumLayers) {
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continue;
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}
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if(!configSection.empty() && !inSection) {
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if(parents.empty() || parents.front() != configSection) {
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continue;
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}
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if(configIndex >= 0 && currentSectionIndex != configIndex) {
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continue;
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}
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parents.erase(parents.begin());
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inSection = true;
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}
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if(!output.empty() && name == output.back().name && parents == output.back().parents) {
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output.back().inputs.insert(output.back().inputs.end(), items_buffer.begin(), items_buffer.end());
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} else {
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output.emplace_back();
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output.back().parents = std::move(parents);
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output.back().name = std::move(name);
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output.back().inputs = std::move(items_buffer);
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}
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}
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if(currentSection != "default") {
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// insert a section end which is just an empty items_buffer
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std::string ename;
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output.emplace_back();
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output.back().parents = detail::generate_parents(currentSection, ename, parentSeparatorChar);
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output.back().name = "--";
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while(output.back().parents.size() > 1) {
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output.push_back(output.back());
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output.back().parents.pop_back();
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}
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}
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return output;
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}
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CLI11_INLINE std::string &clean_name_string(std::string &name, const std::string &keyChars) {
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if(name.find_first_of(keyChars) != std::string::npos || (name.front() == '[' && name.back() == ']') ||
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(name.find_first_of("'`\"\\") != std::string::npos)) {
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if(name.find_first_of('\'') == std::string::npos) {
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name.insert(0, 1, '\'');
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name.push_back('\'');
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} else {
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if(detail::has_escapable_character(name)) {
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name = detail::add_escaped_characters(name);
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}
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name.insert(0, 1, '\"');
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name.push_back('\"');
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}
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}
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return name;
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}
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CLI11_INLINE std::string
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ConfigBase::to_config(const App *app, bool default_also, bool write_description, std::string prefix) const {
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std::stringstream out;
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std::string commentLead;
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commentLead.push_back(commentChar);
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commentLead.push_back(' ');
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std::string commentTest = "#;";
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commentTest.push_back(commentChar);
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commentTest.push_back(parentSeparatorChar);
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std::string keyChars = commentTest;
|
|
keyChars.push_back(literalQuote);
|
|
keyChars.push_back(stringQuote);
|
|
keyChars.push_back(arrayStart);
|
|
keyChars.push_back(arrayEnd);
|
|
keyChars.push_back(valueDelimiter);
|
|
keyChars.push_back(arraySeparator);
|
|
|
|
std::vector<std::string> groups = app->get_groups();
|
|
bool defaultUsed = false;
|
|
groups.insert(groups.begin(), std::string("Options"));
|
|
if(write_description && (app->get_configurable() || app->get_parent() == nullptr || app->get_name().empty())) {
|
|
out << commentLead << detail::fix_newlines(commentLead, app->get_description()) << '\n';
|
|
}
|
|
for(auto &group : groups) {
|
|
if(group == "Options" || group.empty()) {
|
|
if(defaultUsed) {
|
|
continue;
|
|
}
|
|
defaultUsed = true;
|
|
}
|
|
if(write_description && group != "Options" && !group.empty()) {
|
|
out << '\n' << commentLead << group << " Options\n";
|
|
}
|
|
for(const Option *opt : app->get_options({})) {
|
|
|
|
// Only process options that are configurable
|
|
if(opt->get_configurable()) {
|
|
if(opt->get_group() != group) {
|
|
if(!(group == "Options" && opt->get_group().empty())) {
|
|
continue;
|
|
}
|
|
}
|
|
std::string single_name = opt->get_single_name();
|
|
if(single_name.empty()) {
|
|
continue;
|
|
}
|
|
|
|
std::string value = detail::ini_join(
|
|
opt->reduced_results(), arraySeparator, arrayStart, arrayEnd, stringQuote, literalQuote);
|
|
|
|
if(value.empty() && default_also) {
|
|
if(!opt->get_default_str().empty()) {
|
|
value = detail::convert_arg_for_ini(opt->get_default_str(), stringQuote, literalQuote, false);
|
|
} else if(opt->get_expected_min() == 0) {
|
|
value = "false";
|
|
} else if(opt->get_run_callback_for_default()) {
|
|
value = "\"\""; // empty string default value
|
|
}
|
|
}
|
|
|
|
if(!value.empty()) {
|
|
|
|
if(!opt->get_fnames().empty()) {
|
|
try {
|
|
value = opt->get_flag_value(single_name, value);
|
|
} catch(const CLI::ArgumentMismatch &) {
|
|
bool valid{false};
|
|
for(const auto &test_name : opt->get_fnames()) {
|
|
try {
|
|
value = opt->get_flag_value(test_name, value);
|
|
single_name = test_name;
|
|
valid = true;
|
|
} catch(const CLI::ArgumentMismatch &) {
|
|
continue;
|
|
}
|
|
}
|
|
if(!valid) {
|
|
value = detail::ini_join(
|
|
opt->results(), arraySeparator, arrayStart, arrayEnd, stringQuote, literalQuote);
|
|
}
|
|
}
|
|
}
|
|
if(write_description && opt->has_description()) {
|
|
out << '\n';
|
|
out << commentLead << detail::fix_newlines(commentLead, opt->get_description()) << '\n';
|
|
}
|
|
clean_name_string(single_name, keyChars);
|
|
|
|
std::string name = prefix + single_name;
|
|
|
|
out << name << valueDelimiter << value << '\n';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
auto subcommands = app->get_subcommands({});
|
|
for(const App *subcom : subcommands) {
|
|
if(subcom->get_name().empty()) {
|
|
if(!default_also && (subcom->count_all() == 0)) {
|
|
continue;
|
|
}
|
|
if(write_description && !subcom->get_group().empty()) {
|
|
out << '\n' << commentLead << subcom->get_group() << " Options\n";
|
|
}
|
|
/*if (!prefix.empty() || app->get_parent() == nullptr) {
|
|
out << '[' << prefix << "___"<< subcom->get_group() << "]\n";
|
|
} else {
|
|
std::string subname = app->get_name() + parentSeparatorChar + "___"+subcom->get_group();
|
|
const auto *p = app->get_parent();
|
|
while(p->get_parent() != nullptr) {
|
|
subname = p->get_name() + parentSeparatorChar +subname;
|
|
p = p->get_parent();
|
|
}
|
|
out << '[' << subname << "]\n";
|
|
}
|
|
*/
|
|
out << to_config(subcom, default_also, write_description, prefix);
|
|
}
|
|
}
|
|
|
|
for(const App *subcom : subcommands) {
|
|
if(!subcom->get_name().empty()) {
|
|
if(!default_also && (subcom->count_all() == 0)) {
|
|
continue;
|
|
}
|
|
std::string subname = subcom->get_name();
|
|
clean_name_string(subname, keyChars);
|
|
|
|
if(subcom->get_configurable() && app->got_subcommand(subcom)) {
|
|
if(!prefix.empty() || app->get_parent() == nullptr) {
|
|
|
|
out << '[' << prefix << subname << "]\n";
|
|
} else {
|
|
std::string appname = app->get_name();
|
|
clean_name_string(appname, keyChars);
|
|
subname = appname + parentSeparatorChar + subname;
|
|
const auto *p = app->get_parent();
|
|
while(p->get_parent() != nullptr) {
|
|
std::string pname = p->get_name();
|
|
clean_name_string(pname, keyChars);
|
|
subname = pname + parentSeparatorChar + subname;
|
|
p = p->get_parent();
|
|
}
|
|
out << '[' << subname << "]\n";
|
|
}
|
|
out << to_config(subcom, default_also, write_description, "");
|
|
} else {
|
|
out << to_config(subcom, default_also, write_description, prefix + subname + parentSeparatorChar);
|
|
}
|
|
}
|
|
}
|
|
|
|
return out.str();
|
|
}
|
|
// [CLI11:config_inl_hpp:end]
|
|
} // namespace CLI
|