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/* Copyright (c) 2021, Dyssol Development Team. All rights reserved. This file is part of Dyssol. See LICENSE file for license information. */
#include "ArgumentsParser.h"
#include "ContainerFunctions.h"
#include "StringFunctions.h"
namespace SF = StringFunctions;
CArgumentsParser::CArgumentsParser(int _argc, const char** _argv)
: CArgumentsParser{ _argc, _argv, {} }
{
}
CArgumentsParser::CArgumentsParser(int _argc, const char** _argv, std::vector<SKey> _allowedKeys)
: m_allowedKeys{ std::move(_allowedKeys) }
{
// parse all keys
for (int i = 1; i < _argc; ++i)
m_tokens.push_back(ParseArgument(std::string{ _argv[i] }));
// handle allowed keys
if (!m_allowedKeys.empty())
{
// remove possible signs in allowed keys
for (auto& allowed : m_allowedKeys)
{
for (auto& k : allowed.keysL) k = RemoveSignL(k);
for (auto& k : allowed.keysS) k = RemoveSignS(k);
}
// remove not allowed tokens
FilterTokens();
}
}
std::vector<CArgumentsParser::SKey> CArgumentsParser::AllAllowedKeys() const
{
return m_allowedKeys;
}
size_t CArgumentsParser::TokensCount() const
{
return m_tokens.size();
}
bool CArgumentsParser::HasKey(const std::string& _key) const
{
const auto aliases = KeyAliases(_key);
return std::any_of(aliases.begin(), aliases.end(), [&](const std::string& a)
{ return VectorContains(m_tokens, [&](const SToken& t) { return RemoveSigns(t.key) == a; }); });
}
std::string CArgumentsParser::GetValue(const std::string& _key) const
{
for (const auto& alias : KeyAliases(_key))
{
const size_t i = VectorFind(m_tokens, [&](const SToken& t) { return RemoveSigns(t.key) == alias; });
if (i != static_cast<size_t>(-1))
return m_tokens[i].value;
}
return {};
}
std::vector<std::string> CArgumentsParser::GetValues(const std::string& _key) const
{
std::vector<std::string> res;
for (const auto& alias : KeyAliases(_key))
for (const auto& token : m_tokens)
if (RemoveSigns(token.key) == alias)
res.push_back(token.value);
return res;
}
CArgumentsParser::SToken CArgumentsParser::ParseArgument(const std::string& _argument) const
{
const auto parts = SF::SplitString(_argument, m_separator);
if (parts.empty()) return {};
// only a key or only a value
if (parts.size() == 1)
{
// a key without value
if (IsKey(parts[0]))
return { parts[0], {} };
// a value without key
else
return { {}, SF::RemoveQuotes(parts.front()) };
}
// key=value
if (IsKey(parts[0]))
return { parts[0], SF::RemoveQuotes(parts[1]) };
// wrong format
return {};
}
void CArgumentsParser::FilterTokens()
{
// gather all allowed long keys
std::vector<std::string> keysL;
for (const auto& v : m_allowedKeys)
keysL.insert(keysL.end(), v.keysL.begin(), v.keysL.end());
// gather all allowed short keys
std::vector<std::string> keysS;
for (const auto& v : m_allowedKeys)
keysS.insert(keysS.end(), v.keysS.begin(), v.keysS.end());
// remove tokens with not allowed keys
m_tokens.erase(std::remove_if(m_tokens.begin(), m_tokens.end(), [&](const SToken& t)
{ return !VectorContains(keysL, RemoveSignL(t.key)) && !VectorContains(keysS, RemoveSignS(t.key)); }), m_tokens.end());
}
bool CArgumentsParser::IsKeyL(const std::string& _str) const
{
return _str.rfind(m_keySignL, 0) == 0;
}
bool CArgumentsParser::IsKeyS(const std::string& _str) const
{
return _str.rfind(m_keySignS, 0) == 0;
}
bool CArgumentsParser::IsKey(const std::string& _str) const
{
return IsKeyL(_str) || IsKeyS(_str);
}
std::string CArgumentsParser::RemoveSignL(std::string _str) const
{
if (IsKeyL(_str))
_str.erase(0, m_keySignL.size());
return _str;
}
std::string CArgumentsParser::RemoveSignS(std::string _str) const
{
if (IsKeyS(_str))
_str.erase(0, m_keySignS.size());
return _str;
}
std::string CArgumentsParser::RemoveSigns(const std::string& _str) const
{
return RemoveSignS(RemoveSignL(_str));
}
std::vector<std::string> CArgumentsParser::KeyAliases(const std::string& _key) const
{
for (const auto& allowed : m_allowedKeys)
{
const auto cleanKey = RemoveSigns(_key);
if (VectorContains(allowed.keysL, cleanKey) || VectorContains(allowed.keysS, cleanKey))
{
std::vector<std::string> res;
res.insert(res.end(), allowed.keysL.begin(), allowed.keysL.end());
res.insert(res.end(), allowed.keysS.begin(), allowed.keysS.end());
return res;
}
}
return{ _key }; // no aliases defined
}
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