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include/cli-fancy.hpp
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267
include/cli-fancy.hpp
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#pragma once
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/*
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MIT License
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Copyright (c) 2024 René Amthor (tobid7)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <algorithm>
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#include <cstring>
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#include <functional>
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#include <iostream>
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#include <string>
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#include <vector>
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// CLI FANCY
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namespace cf7 {
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namespace sym {
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const std::string arrow = "";
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}
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class col {
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public:
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col() { m_isres = true; }
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col(bool fg, unsigned char r, unsigned char g, unsigned char b) {
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m_isres = false;
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m_r = r;
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m_g = g;
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m_b = b;
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m_fg = fg;
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}
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col(unsigned char r, unsigned char g, unsigned char b) {
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m_isres = false;
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m_r = r;
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m_g = g;
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m_b = b;
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// Default Fancy Api uses GetAs
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m_fg = false;
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}
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~col() = default;
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std::string Get() const { return GetAs(m_fg); }
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std::string GetAs(bool fg) const {
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if (m_isres) {
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return "\033[00m";
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}
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std::string col = "\033[";
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col += fg ? "38" : "48";
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col += ";2;";
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col += std::to_string(m_r) + ";";
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col += std::to_string(m_g) + ";";
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col += std::to_string(m_b) + "m";
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return col;
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}
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operator std::string() const { return Get(); }
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operator const char*() const {
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/// CREATE DYNAMIC BUFFER TO ALWAYS RETURN STABLE CONST CHAR
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static char buf[32];
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strcpy(buf, Get().c_str());
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buf[sizeof(buf) - 1] = '\0';
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return buf;
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}
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private:
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bool m_isres = true;
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bool m_fg = false;
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unsigned char m_r = 0;
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unsigned char m_g = 0;
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unsigned char m_b = 0;
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};
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void PrintFancy(const std::vector<std::pair<std::string, col>>& e) {
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std::cout << col();
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for (int i = 0; i < e.size(); i++) {
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std::cout << e[i].second.GetAs(false) << col(true, 255, 255, 255);
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std::cout << " " << e[i].first << " ";
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if (i == e.size() - 1) {
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std::cout << col() << e[i].second.GetAs(true) << sym::arrow;
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} else {
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std::cout << e[i + 1].second.GetAs(false) << e[i].second.GetAs(true)
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<< sym::arrow;
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}
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}
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std::cout << col() << std::endl;
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}
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class command {
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public:
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using ArgumentList = std::vector<std::pair<std::string, std::string>>;
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using Function = std::function<void(const ArgumentList&)>;
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class sub {
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public:
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sub(const std::string& _short, const std::string& _long,
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const std::string desc, bool req) {
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m_isrequired = req;
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m_long = _long;
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m_short = _short;
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m_desc = desc;
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}
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~sub() = default;
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bool IsRequired() const { return m_isrequired; }
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const std::string& GetShort() const { return m_short; }
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const std::string& GetLong() const { return m_long; }
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const std::string& GetDesc() const { return m_desc; }
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private:
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bool m_isrequired;
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std::string m_long;
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std::string m_short;
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std::string m_desc;
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};
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command(std::string base, std::string desc) {
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m_name = base;
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m_desc = desc;
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}
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~command() = default;
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command& AddSubEntry(const sub& sub) {
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m_sub.push_back(sub);
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return *this;
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}
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command& SetFunction(Function fun) {
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m_fun = fun;
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return *this;
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}
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Function Func() const { return m_fun; }
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static std::string GetArg(ArgumentList list, std::string arg) {
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for (const auto& it : list) {
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if (it.first == arg) {
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return it.second;
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}
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}
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return "";
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}
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const std::string& GetName() const { return m_name; }
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const std::string& GetDesc() const { return m_desc; }
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const std::vector<sub>& GetArgs() const { return m_sub; }
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private:
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std::string m_name;
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std::string m_desc;
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std::vector<sub> m_sub;
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Function m_fun;
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};
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class arg_mgr {
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public:
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arg_mgr() {}
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arg_mgr(char** args, int argc) { Parse(args, argc); }
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arg_mgr(int argc, char** args) { Parse(args, argc); }
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~arg_mgr() = default;
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void SetAppInfo(const std::string& name, const std::string& ver) {
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app_name = name;
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app_version = ver;
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}
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bool FindString(const std::vector<std::string>& l, std::string w) {
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auto tf = "-" + w;
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return (std::find(l.begin(), l.end(), tf) != l.end());
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}
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std::string GetArg(std::string w, std::string def = "") {
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if (!FindString(m_args, w)) return def;
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for (size_t i = 0; i < m_args.size() - 1; i++) {
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if (m_args[i] == std::string("-" + w)) {
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return m_args[i + 1];
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}
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}
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return def;
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}
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void Parse(char** args, int argc) {
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for (int i = 0; i < argc; i++) {
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m_args.push_back(args[i]);
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}
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}
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void PrintHelp(const std::string& cmd = "") {
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if (!app_name.empty() && !app_version.empty()) {
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PrintFancy({
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std::make_pair(app_name, col(20, 20, 20)),
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std::make_pair(app_version, col(50, 50, 50)),
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});
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}
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PrintFancy({
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std::make_pair("Build", col(40, 40, 40)),
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std::make_pair(std::string(__TIMESTAMP__), col(70, 70, 70)),
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});
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if (!cmd.empty()) {
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for (const auto& c : m_commands) {
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if (c.GetName() == cmd) {
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PrintFancy({std::make_pair(c.GetName(), col(10, 10, 10)),
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std::make_pair("Help", col(30, 30, 30))});
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for (const auto& it : c.GetArgs()) {
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PrintFancy({
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std::make_pair("-" + it.GetShort(), col(30, 30, 30)),
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std::make_pair("--" + it.GetLong(), col(50, 50, 50)),
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std::make_pair(it.GetDesc(), col(70, 70, 70)),
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std::make_pair(it.IsRequired() ? "true" : "false",
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col(90, 90, 90)),
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});
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}
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return;
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}
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}
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}
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PrintFancy({std::make_pair("Commands", col(30, 30, 30))});
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for (command c : m_commands) {
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PrintFancy({
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std::make_pair(c.GetName(), col(40, 40, 40)),
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std::make_pair(c.GetDesc(), col(60, 60, 60)),
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});
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}
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}
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void Execute() {
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command::ArgumentList arglist;
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for (const auto& c : m_commands) {
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if (c.GetName() == m_args[1]) {
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for (const auto& j : c.GetArgs()) {
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if (!FindString(m_args, j.GetShort())) {
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if (j.IsRequired()) {
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PrintHelp(c.GetName());
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return;
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}
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} else {
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arglist.push_back(
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std::make_pair(j.GetShort(), GetArg(j.GetShort())));
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}
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}
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c.Func()(arglist);
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return;
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}
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}
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PrintHelp("");
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}
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void AddCommand(command cmd) { m_commands.push_back(cmd); }
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private:
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std::string app_name;
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std::string app_version;
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std::vector<std::string> m_args;
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std::vector<command> m_commands;
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};
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} // namespace cf7
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