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196 lines (172 loc) · 6.88 KB
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#include "cli_pack.h"
#include "stdafx.h"
#include "terminal_utils.h"
using namespace cli;
uint64_t value<parameter_pack>::m_ID {value_base::ID_GENERATOR++};
bool parameter_pack::is_valid() const {
return m_Valid && !m_Dirty;
}
bool parameter_pack::validate() {
if(is_valid())
return true;
m_Valid = false;
m_Dirty = false;
m_FlattenedValues.clear();
m_Callbacks.clear();
if(m_Callback)
m_Callbacks.push_back(m_Callback.value());
for(auto const& value : m_Values) {
if(value->is_parameter_pack() && value->name().empty() && !value->short_command() && value->command().empty()) {
auto* ppack = value->as_a<parameter_pack>();
ppack->get().validate();
m_FlattenedValues.insert(std::end(m_FlattenedValues),
std::begin(ppack->get().m_FlattenedValues),
std::end(ppack->get().m_FlattenedValues));
m_Callbacks.insert(
std::end(m_Callbacks), std::begin(ppack->get().m_Callbacks), std::end(ppack->get().m_Callbacks));
} else {
m_FlattenedValues.emplace_back(value);
}
}
for(auto const& value : m_FlattenedValues) {
auto it = std::find_if(
std::begin(m_FlattenedValues),
std::end(m_FlattenedValues),
[&value](std::shared_ptr<cli::value_base> const& entry) {
return entry != value && (entry->command() == value->command() ||
(entry->short_command() && entry->short_command() == value->short_command()));
});
if(it != std::end(m_FlattenedValues)) {
utility::terminal::set_color(utility::terminal::color::RED);
psl::cerr << psl::to_platform_string("duplicate parameter found: the param '" + (*it)->name() +
"' was equal to the param '" + value->name());
utility::terminal::set_color(utility::terminal::color::WHITE);
return false;
}
}
m_Valid = true;
return m_Valid;
}
bool parameter_pack::parse(std::vector<token> const& tokens, std::vector<cli::parameter_pack*>& parsed_packs) {
if(!validate()) {
utility::terminal::set_color(utility::terminal::color::RED);
psl::cerr << _T("tried to parse an invalide parameter_pack, please check the output for the error message.\n");
utility::terminal::set_color(utility::terminal::color::WHITE);
return false;
}
bool missing_requirement = false;
for(auto const& v : m_FlattenedValues) {
if(v->required()) {
auto it = std::find_if(std::begin(tokens), std::end(tokens), [&v](token const& tokenPair) {
return (tokenPair.key.size() == 1 && tokenPair.key[0] == v->short_command()) ||
tokenPair.key == v->command();
});
if(it == std::end(tokens)) {
missing_requirement = true;
utility::terminal::set_color(utility::terminal::color::RED);
psl::cerr << psl::to_platform_string("missing required parameter: " + psl::string(v->name()) + "\n");
utility::terminal::set_color(utility::terminal::color::WHITE);
}
}
}
if(missing_requirement) {
utility::terminal::set_color(utility::terminal::color::RED);
psl::cerr << ("see the help for correct usage: \n");
utility::terminal::set_color(utility::terminal::color::WHITE);
psl::cout << psl::to_platform_string(help());
return false;
}
m_ParsedValues.clear();
parsed_packs.emplace_back(this);
std::vector<cli::value_base*> parsed;
for(auto i = 0u; i < tokens.size(); ++i) {
auto const& token_v = tokens[i];
auto it = std::find_if(std::begin(m_FlattenedValues),
std::end(m_FlattenedValues),
[&token_v](std::shared_ptr<value_base> const& value) {
return (token_v.key.size() == 1 && token_v.key[0] == value->short_command()) ||
token_v.key == value->command();
});
if(it != std::end(m_FlattenedValues)) {
if((*it)->is_parameter_pack()) {
parameter_pack& next_pack = (*((std::shared_ptr<cli::value<cli::parameter_pack>>*)&(*it)))->get();
next_pack.m_DontInvokeCB = true;
auto success =
next_pack.parse(std::vector<token> {std::begin(tokens) + i + 1, std::end(tokens)}, parsed_packs);
next_pack.m_DontInvokeCB = false;
if(!success)
return false;
if(!next_pack.fallthrough())
break;
} else {
parsed.push_back(&*(*it));
if(!(*it)->set(token_v.value.value_or(("")))) {
utility::terminal::set_color(utility::terminal::color::RED);
psl::cerr << psl::to_platform_string("missing parameter for: " + psl::string((*it)->name()) + '\n');
utility::terminal::set_color(utility::terminal::color::WHITE);
psl::cerr << psl::to_platform_string((*it)->help());
break;
}
}
m_ParsedValues.emplace_back(*it);
if(!mixed_mode())
break;
} else {
if(warn_on_unknown_parameter()) {
utility::terminal::set_color(utility::terminal::color::RED);
psl::cerr << psl::to_platform_string("unknown parameter: '" +
psl::string((token_v.key.size() > 1) + 1, '-') +
psl::string(token_v.key) + "' detected\n");
utility::terminal::set_color(utility::terminal::color::WHITE);
}
}
}
for(auto const& value : m_FlattenedValues) {
if(value->is_parameter_pack() || std::find(std::begin(parsed), std::end(parsed), &*value) != std::end(parsed)) {
continue;
}
value->reset();
}
if(!m_DontInvokeCB) {
std::reverse(std::begin(parsed_packs), std::end(parsed_packs));
for(auto& pack : parsed_packs) {
if(pack->m_Callback)
std::invoke(pack->m_Callback.value(), *pack);
}
}
return true;
}
bool parameter_pack::parse(psl::string_view parameters) {
std::vector<token> tokens;
auto next_parameter_n = parameters.find('-');
while(next_parameter_n != psl::string_view::npos && next_parameter_n < parameters.size()) {
next_parameter_n = parameters.find_first_not_of('-', next_parameter_n);
if(next_parameter_n == psl::string_view::npos || next_parameter_n >= parameters.size())
break;
size_t end_parameter_n = parameters.find(' ', next_parameter_n);
if(end_parameter_n == psl::string_view::npos || end_parameter_n >= parameters.size())
end_parameter_n = parameters.size();
tokens.emplace_back(parameters.substr(next_parameter_n, end_parameter_n - next_parameter_n));
auto next_param_n = parameters.find_first_not_of(' ', end_parameter_n);
if(next_param_n == psl::string_view::npos || next_param_n >= parameters.size() ||
parameters[next_param_n] == '-') {
next_parameter_n = next_param_n;
continue;
}
size_t next_param_end_n = 0u;
// literal track
if(parameters[next_param_n] == '\"' || parameters[next_param_n] == '\'') {
auto is_double_quotes = (parameters[next_param_n] == '\"');
next_param_n += 1;
next_param_end_n = parameters.find((is_double_quotes) ? '\"' : '\'', next_param_n);
} else {
next_param_end_n = parameters.find(' ', next_param_n);
}
if(next_param_end_n == psl::string_view::npos || next_param_end_n >= parameters.size())
next_param_end_n = parameters.size();
tokens[tokens.size() - 1].value = parameters.substr(next_param_n, next_param_end_n - next_param_n);
next_parameter_n = parameters.find('-', next_param_end_n);
}
std::vector<cli::parameter_pack*> parsed_pack;
return parse(tokens, parsed_pack);
}