76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
/*
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* Created by Phil on 4/4/2019.
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* Copyright 2019 Two Blue Cubes Ltd. All rights reserved.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#include "catch_enum_values_registry.h"
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#include "catch_string_manip.h"
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#include "catch_stream.h"
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#include <map>
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#include <cassert>
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namespace Catch {
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IMutableEnumValuesRegistry::~IMutableEnumValuesRegistry() {}
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namespace Detail {
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namespace {
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// Extracts the actual name part of an enum instance
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// In other words, it returns the Blue part of Bikeshed::Colour::Blue
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StringRef extractInstanceName(StringRef enumInstance) {
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// Find last occurence of ":"
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size_t name_start = enumInstance.size();
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while (name_start > 0 && enumInstance[name_start - 1] != ':') {
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--name_start;
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}
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return enumInstance.substr(name_start, enumInstance.size() - name_start);
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}
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}
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std::vector<StringRef> parseEnums( StringRef enums ) {
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auto enumValues = splitStringRef( enums, ',' );
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std::vector<StringRef> parsed;
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parsed.reserve( enumValues.size() );
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for( auto const& enumValue : enumValues ) {
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parsed.push_back(trim(extractInstanceName(enumValue)));
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}
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return parsed;
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}
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EnumInfo::~EnumInfo() {}
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StringRef EnumInfo::lookup( int value ) const {
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for( auto const& valueToName : m_values ) {
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if( valueToName.first == value )
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return valueToName.second;
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}
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return "{** unexpected enum value **}"_sr;
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}
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std::unique_ptr<EnumInfo> makeEnumInfo( StringRef enumName, StringRef allValueNames, std::vector<int> const& values ) {
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std::unique_ptr<EnumInfo> enumInfo( new EnumInfo );
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enumInfo->m_name = enumName;
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enumInfo->m_values.reserve( values.size() );
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const auto valueNames = Catch::Detail::parseEnums( allValueNames );
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assert( valueNames.size() == values.size() );
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std::size_t i = 0;
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for( auto value : values )
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enumInfo->m_values.emplace_back(value, valueNames[i++]);
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return enumInfo;
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}
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EnumInfo const& EnumValuesRegistry::registerEnum( StringRef enumName, StringRef allValueNames, std::vector<int> const& values ) {
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m_enumInfos.push_back(makeEnumInfo(enumName, allValueNames, values));
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return *m_enumInfos.back();
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}
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} // Detail
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} // Catch
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