Initial native OpenSim viewer prototype
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// Copyright (c) 2017-2025, 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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// IWYU pragma: private, include "CLI/CLI.hpp"
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#include "../Validators.hpp"
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#include "../Encoding.hpp"
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#include "../Macros.hpp"
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#include "../StringTools.hpp"
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#include "../TypeTools.hpp"
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// [CLI11:public_includes:set]
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#include <map>
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#include <string>
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#include <utility>
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// [CLI11:public_includes:end]
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namespace CLI {
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// [CLI11:validators_inl_hpp:verbatim]
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CLI11_INLINE std::string Validator::operator()(std::string &str) const {
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std::string retstring;
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if(active_) {
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if(non_modifying_) {
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std::string value = str;
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retstring = func_(value);
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} else {
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retstring = func_(str);
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}
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}
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return retstring;
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}
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CLI11_NODISCARD CLI11_INLINE Validator Validator::description(std::string validator_desc) const {
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Validator newval(*this);
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newval.desc_function_ = [validator_desc]() { return validator_desc; };
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return newval;
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}
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CLI11_INLINE Validator Validator::operator&(const Validator &other) const {
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Validator newval;
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newval._merge_description(*this, other, " AND ");
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// Give references (will make a copy in lambda function)
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const std::function<std::string(std::string & filename)> &f1 = func_;
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const std::function<std::string(std::string & filename)> &f2 = other.func_;
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newval.func_ = [f1, f2](std::string &input) {
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std::string s1 = f1(input);
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std::string s2 = f2(input);
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if(!s1.empty() && !s2.empty())
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return std::string("(") + s1 + ") AND (" + s2 + ")";
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return s1 + s2;
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};
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newval.active_ = active_ && other.active_;
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newval.application_index_ = application_index_;
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return newval;
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}
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CLI11_INLINE Validator Validator::operator|(const Validator &other) const {
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Validator newval;
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newval._merge_description(*this, other, " OR ");
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// Give references (will make a copy in lambda function)
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const std::function<std::string(std::string &)> &f1 = func_;
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const std::function<std::string(std::string &)> &f2 = other.func_;
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newval.func_ = [f1, f2](std::string &input) {
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std::string s1 = f1(input);
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std::string s2 = f2(input);
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if(s1.empty() || s2.empty())
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return std::string();
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return std::string("(") + s1 + ") OR (" + s2 + ")";
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};
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newval.active_ = active_ && other.active_;
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newval.application_index_ = application_index_;
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return newval;
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}
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CLI11_INLINE Validator Validator::operator!() const {
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Validator newval;
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const std::function<std::string()> &dfunc1 = desc_function_;
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newval.desc_function_ = [dfunc1]() {
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auto str = dfunc1();
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return (!str.empty()) ? std::string("NOT ") + str : std::string{};
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};
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// Give references (will make a copy in lambda function)
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const std::function<std::string(std::string & res)> &f1 = func_;
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newval.func_ = [f1, dfunc1](std::string &test) -> std::string {
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std::string s1 = f1(test);
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if(s1.empty()) {
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return std::string("check ") + dfunc1() + " succeeded improperly";
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}
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return std::string{};
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};
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newval.active_ = active_;
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newval.application_index_ = application_index_;
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return newval;
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}
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CLI11_INLINE void
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Validator::_merge_description(const Validator &val1, const Validator &val2, const std::string &merger) {
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const std::function<std::string()> &dfunc1 = val1.desc_function_;
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const std::function<std::string()> &dfunc2 = val2.desc_function_;
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desc_function_ = [=]() {
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std::string f1 = dfunc1();
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std::string f2 = dfunc2();
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if((f1.empty()) || (f2.empty())) {
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return f1 + f2;
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}
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return std::string(1, '(') + f1 + ')' + merger + '(' + f2 + ')';
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};
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}
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namespace detail {
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#if defined CLI11_HAS_FILESYSTEM && CLI11_HAS_FILESYSTEM > 0
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CLI11_INLINE path_type check_path(const char *file) noexcept {
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std::error_code ec;
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auto stat = std::filesystem::status(to_path(file), ec);
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if(ec) {
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return path_type::nonexistent;
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}
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switch(stat.type()) {
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case std::filesystem::file_type::none: // LCOV_EXCL_LINE
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case std::filesystem::file_type::not_found:
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return path_type::nonexistent; // LCOV_EXCL_LINE
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case std::filesystem::file_type::directory:
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return path_type::directory;
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case std::filesystem::file_type::symlink:
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case std::filesystem::file_type::block:
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case std::filesystem::file_type::character:
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case std::filesystem::file_type::fifo:
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case std::filesystem::file_type::socket:
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case std::filesystem::file_type::regular:
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case std::filesystem::file_type::unknown:
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default:
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return path_type::file;
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}
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}
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#else
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CLI11_INLINE path_type check_path(const char *file) noexcept {
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#if defined(_MSC_VER)
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struct __stat64 buffer;
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if(_stat64(file, &buffer) == 0) {
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return ((buffer.st_mode & S_IFDIR) != 0) ? path_type::directory : path_type::file;
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}
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#else
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struct stat buffer;
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if(stat(file, &buffer) == 0) {
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return ((buffer.st_mode & S_IFDIR) != 0) ? path_type::directory : path_type::file;
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}
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#endif
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return path_type::nonexistent;
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}
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#endif
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CLI11_INLINE ExistingFileValidator::ExistingFileValidator() : Validator("FILE") {
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func_ = [](std::string &filename) {
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auto path_result = check_path(filename.c_str());
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if(path_result == path_type::nonexistent) {
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return "File does not exist: " + filename;
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}
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if(path_result == path_type::directory) {
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return "File is actually a directory: " + filename;
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}
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return std::string();
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};
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}
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CLI11_INLINE ExistingDirectoryValidator::ExistingDirectoryValidator() : Validator("DIR") {
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func_ = [](std::string &filename) {
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auto path_result = check_path(filename.c_str());
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if(path_result == path_type::nonexistent) {
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return "Directory does not exist: " + filename;
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}
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if(path_result == path_type::file) {
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return "Directory is actually a file: " + filename;
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}
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return std::string();
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};
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}
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CLI11_INLINE ExistingPathValidator::ExistingPathValidator() : Validator("PATH(existing)") {
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func_ = [](std::string &filename) {
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auto path_result = check_path(filename.c_str());
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if(path_result == path_type::nonexistent) {
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return "Path does not exist: " + filename;
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}
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return std::string();
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};
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}
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CLI11_INLINE NonexistentPathValidator::NonexistentPathValidator() : Validator("PATH(non-existing)") {
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func_ = [](std::string &filename) {
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auto path_result = check_path(filename.c_str());
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if(path_result != path_type::nonexistent) {
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return "Path already exists: " + filename;
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}
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return std::string();
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};
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}
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CLI11_INLINE EscapedStringTransformer::EscapedStringTransformer() {
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func_ = [](std::string &str) {
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try {
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if(str.size() > 1 && (str.front() == '\"' || str.front() == '\'' || str.front() == '`') &&
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str.front() == str.back()) {
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process_quoted_string(str);
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} else if(str.find_first_of('\\') != std::string::npos) {
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if(detail::is_binary_escaped_string(str)) {
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str = detail::extract_binary_string(str);
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} else {
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str = remove_escaped_characters(str);
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}
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}
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return std::string{};
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} catch(const std::invalid_argument &ia) {
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return std::string(ia.what());
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}
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};
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}
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} // namespace detail
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CLI11_INLINE FileOnDefaultPath::FileOnDefaultPath(std::string default_path, bool enableErrorReturn)
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: Validator("FILE") {
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func_ = [default_path, enableErrorReturn](std::string &filename) {
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auto path_result = detail::check_path(filename.c_str());
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if(path_result == detail::path_type::nonexistent) {
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std::string test_file_path = default_path;
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if(default_path.back() != '/' && default_path.back() != '\\') {
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// Add folder separator
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test_file_path += '/';
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}
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test_file_path.append(filename);
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path_result = detail::check_path(test_file_path.c_str());
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if(path_result == detail::path_type::file) {
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filename = test_file_path;
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} else {
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if(enableErrorReturn) {
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return "File does not exist: " + filename;
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}
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}
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}
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return std::string{};
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};
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}
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namespace detail {
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CLI11_INLINE std::pair<std::string, std::string> split_program_name(std::string commandline) {
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// try to determine the programName
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std::pair<std::string, std::string> vals;
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trim(commandline);
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auto esp = commandline.find_first_of(' ', 1);
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while(detail::check_path(commandline.substr(0, esp).c_str()) != path_type::file) {
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esp = commandline.find_first_of(' ', esp + 1);
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if(esp == std::string::npos) {
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// if we have reached the end and haven't found a valid file just assume the first argument is the
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// program name
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if(commandline[0] == '"' || commandline[0] == '\'' || commandline[0] == '`') {
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bool embeddedQuote = false;
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auto keyChar = commandline[0];
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auto end = commandline.find_first_of(keyChar, 1);
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while((end != std::string::npos) && (commandline[end - 1] == '\\')) { // deal with escaped quotes
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end = commandline.find_first_of(keyChar, end + 1);
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embeddedQuote = true;
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}
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if(end != std::string::npos) {
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vals.first = commandline.substr(1, end - 1);
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esp = end + 1;
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if(embeddedQuote) {
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vals.first = find_and_replace(vals.first, std::string("\\") + keyChar, std::string(1, keyChar));
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}
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} else {
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esp = commandline.find_first_of(' ', 1);
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}
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} else {
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esp = commandline.find_first_of(' ', 1);
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}
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break;
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}
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}
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if(vals.first.empty()) {
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vals.first = commandline.substr(0, esp);
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rtrim(vals.first);
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}
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// strip the program name
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vals.second = (esp < commandline.length() - 1) ? commandline.substr(esp + 1) : std::string{};
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ltrim(vals.second);
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return vals;
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}
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} // namespace detail
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/// @}
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// [CLI11:validators_inl_hpp:end]
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} // namespace CLI
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