Rework API graphique Vulkan - EnTT pour ECS + Chargement modèle 3D assimp + SDL3 pour events input et fenetre + mesh texture camera transform ok + attention tous les assets nouveaus ne sont pas commités et il y a du code test en dur dans scene addentity + restructuration globale
This commit is contained in:
Tom Ray
362
lib/All/SPIRV-Reflect/examples/arg_parser.cpp
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362
lib/All/SPIRV-Reflect/examples/arg_parser.cpp
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#include "arg_parser.h"
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#include <algorithm>
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#include <iomanip>
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#include <sstream>
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ArgParser::ArgParser() {}
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ArgParser::~ArgParser() {}
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ArgParser::Option* ArgParser::FindOptionByShortName(const std::string& short_name) {
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ArgParser::Option* p_option = nullptr;
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auto it = std::find_if(std::begin(m_options), std::end(m_options),
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[short_name](const ArgParser::Option& elem) -> bool { return elem.short_name == short_name; });
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if (it != std::end(m_options)) {
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p_option = &(*it);
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}
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return p_option;
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}
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const ArgParser::Option* ArgParser::FindOptionByShortName(const std::string& short_name) const {
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const ArgParser::Option* p_option = nullptr;
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auto it = std::find_if(std::begin(m_options), std::end(m_options),
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[short_name](const ArgParser::Option& elem) -> bool { return elem.short_name == short_name; });
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if (it != std::end(m_options)) {
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p_option = &(*it);
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}
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return p_option;
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}
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ArgParser::Option* ArgParser::FindOptionByLongName(const std::string& long_name) {
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ArgParser::Option* p_option = nullptr;
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auto it = std::find_if(std::begin(m_options), std::end(m_options),
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[long_name](const ArgParser::Option& elem) -> bool { return elem.long_name == long_name; });
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if (it != std::end(m_options)) {
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p_option = &(*it);
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}
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return p_option;
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}
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const ArgParser::Option* ArgParser::FindOptionByLongName(const std::string& long_name) const {
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const ArgParser::Option* p_option = nullptr;
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auto it = std::find_if(std::begin(m_options), std::end(m_options),
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[long_name](const ArgParser::Option& elem) -> bool { return elem.long_name == long_name; });
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if (it != std::end(m_options)) {
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p_option = &(*it);
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}
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return p_option;
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}
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bool ArgParser::AddFlag(const std::string& short_name, const std::string& long_name, const std::string& desc) {
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Option option = {};
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option.short_name = short_name;
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option.long_name = long_name;
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option.type = OPTION_TYPE_FLAG;
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option.desc = desc;
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auto p_short = FindOptionByShortName(short_name);
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auto p_long = FindOptionByLongName(long_name);
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if ((p_short != nullptr) || (p_long != nullptr)) {
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return false;
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}
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m_options.push_back(option);
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return true;
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}
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bool ArgParser::AddOptionString(const std::string& short_name, const std::string& long_name, const std::string& desc,
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const std::string& default_value) {
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Option option = {};
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option.short_name = short_name;
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option.long_name = long_name;
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option.type = OPTION_TYPE_STRING;
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option.desc = desc;
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option.default_value.str = default_value;
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auto p_short = FindOptionByShortName(short_name);
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auto p_long = FindOptionByLongName(long_name);
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if ((p_short != nullptr) || (p_long != nullptr)) {
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return false;
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}
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m_options.push_back(option);
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return true;
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}
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bool ArgParser::AddOptionInt(const std::string& short_name, const std::string& long_name, const std::string& desc,
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int default_value) {
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Option option = {};
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option.short_name = short_name;
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option.long_name = long_name;
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option.type = OPTION_TYPE_INT;
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option.desc = desc;
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option.default_value.i32 = default_value;
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auto p_short = FindOptionByShortName(short_name);
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auto p_long = FindOptionByLongName(long_name);
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if ((p_short != nullptr) || (p_long != nullptr)) {
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return false;
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}
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m_options.push_back(option);
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return true;
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}
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bool ArgParser::AddOptionFloat(const std::string& short_name, const std::string& long_name, const std::string& desc,
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float default_value) {
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Option option = {};
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option.short_name = short_name;
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option.long_name = long_name;
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option.type = OPTION_TYPE_FLOAT;
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option.desc = desc;
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option.default_value.f32 = default_value;
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auto p_short = FindOptionByShortName(short_name);
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auto p_long = FindOptionByLongName(long_name);
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if ((p_short != nullptr) || (p_long != nullptr)) {
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return false;
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}
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m_options.push_back(option);
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return true;
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}
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bool ArgParser::Parse(int argc, char** argv, std::ostream& os) {
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for (auto& opt : m_options) {
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opt.value = opt.default_value;
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opt.parsed = false;
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}
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int i = 1;
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while (i < argc) {
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std::string s = argv[i];
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if (s[0] == '-') {
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ArgParser::Option* p_option = nullptr;
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if ((s.length() >= 2) && ((s[0] == '-') && (s[1] == '-'))) {
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std::string long_name = s.substr(2);
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p_option = FindOptionByLongName(long_name);
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} else {
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std::string short_name = s.substr(1);
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p_option = FindOptionByShortName(short_name);
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}
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if (p_option == nullptr) {
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os << "ERROR: invalid argument " << s << std::endl;
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return false;
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}
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switch (p_option->type) {
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case OPTION_TYPE_FLAG: {
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p_option->parsed = true;
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i += 1;
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} break;
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case OPTION_TYPE_STRING: {
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if ((i + 1) >= argc) {
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os << "ERROR: missing option data for " << s << std::endl;
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return false;
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}
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s = argv[i + 1];
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p_option->value.str = s;
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p_option->parsed = true;
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i += 2;
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} break;
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case OPTION_TYPE_INT: {
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if ((i + 1) >= argc) {
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os << "ERROR: missing option data for " << s << std::endl;
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return false;
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}
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s = argv[i + 1];
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p_option->value.i32 = atoi(s.c_str());
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p_option->parsed = true;
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i += 2;
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} break;
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case OPTION_TYPE_FLOAT: {
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if ((i + 1) >= argc) {
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os << "ERROR: missing option data for " << s << std::endl;
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return false;
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}
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s = argv[i + 1];
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p_option->value.f32 = static_cast<float>(atof(s.c_str()));
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p_option->parsed = true;
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i += 2;
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} break;
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case OPTION_TYPE_UNDEFINED: {
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} break;
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}
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} else {
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m_args.push_back(s);
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i += 1;
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}
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}
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return true;
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}
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size_t ArgParser::GetArgCount() const { return m_args.size(); }
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bool ArgParser::GetArg(size_t i, std::string* p_value) const {
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if ((GetArgCount() == 0) && (i >= GetArgCount())) {
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return false;
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}
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if (p_value != nullptr) {
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*p_value = m_args[i];
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}
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return true;
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}
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const std::vector<std::string>& ArgParser::GetArgs() const { return m_args; }
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bool ArgParser::GetFlag(const std::string& short_name, const std::string& long_name) const {
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auto p_short = FindOptionByShortName(short_name);
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auto p_long = FindOptionByLongName(long_name);
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const ArgParser::Option* p_option = nullptr;
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if (p_short != nullptr) {
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p_option = p_short;
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}
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if ((p_option == nullptr) && (p_long != nullptr)) {
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p_option = p_short;
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}
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if (p_option == nullptr) {
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return false;
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}
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if (p_option->type != OPTION_TYPE_FLAG) {
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return false;
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}
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return p_option->parsed;
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}
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bool ArgParser::GetString(const std::string& short_name, const std::string& long_name, std::string* p_value) const {
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auto p_short = FindOptionByShortName(short_name);
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auto p_long = FindOptionByLongName(long_name);
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const ArgParser::Option* p_option = nullptr;
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if (p_short != nullptr) {
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p_option = p_short;
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}
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if ((p_option == nullptr) && (p_long != nullptr)) {
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p_option = p_short;
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}
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if (p_option == nullptr) {
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return false;
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}
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if (!p_option->parsed || (p_option->type != OPTION_TYPE_STRING)) {
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return false;
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}
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if (p_value != nullptr) {
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*p_value = p_option->value.str;
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}
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return true;
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}
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bool ArgParser::GetInt(const std::string& short_name, const std::string& long_name, int* p_value) const {
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auto p_short = FindOptionByShortName(short_name);
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auto p_long = FindOptionByLongName(long_name);
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const ArgParser::Option* p_option = nullptr;
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if (p_short != nullptr) {
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p_option = p_short;
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}
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if ((p_option == nullptr) && (p_long != nullptr)) {
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p_option = p_short;
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}
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if (p_option == nullptr) {
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return false;
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}
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if (!p_option->parsed || (p_option->type != OPTION_TYPE_INT)) {
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return false;
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}
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if (p_value != nullptr) {
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*p_value = p_option->value.i32;
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}
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return true;
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}
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bool ArgParser::GetFloat(const std::string& short_name, const std::string& long_name, float* p_value) const {
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auto p_short = FindOptionByShortName(short_name);
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auto p_long = FindOptionByLongName(long_name);
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const ArgParser::Option* p_option = nullptr;
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if (p_short != nullptr) {
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p_option = p_short;
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}
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if ((p_option == nullptr) && (p_long != nullptr)) {
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p_option = p_short;
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}
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if (p_option == nullptr) {
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return false;
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}
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if (!p_option->parsed || (p_option->type != OPTION_TYPE_FLOAT)) {
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return false;
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}
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if (p_value != nullptr) {
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*p_value = p_option->value.f32;
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}
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return true;
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}
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void ArgParser::PrintHelp(std::ostream& os) {
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(void)os;
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/*
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if (m_options.empty()) {
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return;
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}
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struct TextLine {
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std::string option;
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std::string desc;
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};
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std::vector<TextLine> text_lines;
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size_t max_width = 0;
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for (auto& it : m_options) {
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std::stringstream ss;
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ss << "--" << it.first;
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switch (it.second.type) {
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default: break;
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case OPTION_TYPE_STRING : ss << " " << "[s]"; break;
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case OPTION_TYPE_INT : ss << " " << "[i]"; break;
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case OPTION_TYPE_FLOAT : ss << " " << "[f]"; break;
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}
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std::string option = ss.str();
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max_width = std::max(max_width, option.size());
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TextLine tl;
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tl.option = option;
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tl.desc = it.second.desc;
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text_lines.push_back(tl);
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}
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max_width += 2;
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os << "\n";
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os << "Options:" << "\n";
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for (auto& tl : text_lines) {
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os << " ";
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os << std::left << std::setw(max_width) << tl.option;
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os << tl.desc;
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os << "\n";
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}
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*/
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}
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