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// Copyright Catch2 Authors
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// SPDX-License-Identifier: BSL-1.0
#include <catch2/internal/catch_reporter_spec_parser.hpp>
#include <catch2/interfaces/catch_interfaces_config.hpp>
#include <catch2/internal/catch_move_and_forward.hpp>
#include <algorithm>
namespace Catch {
namespace {
struct kvPair {
StringRef key, value;
};
kvPair splitKVPair(StringRef kvString) {
auto splitPos = static_cast<size_t>(
std::find( kvString.begin(), kvString.end(), '=' ) -
kvString.begin() );
return { kvString.substr( 0, splitPos ),
kvString.substr( splitPos + 1, kvString.size() ) };
}
}
namespace Detail {
std::vector<std::string> splitReporterSpec( StringRef reporterSpec ) {
static constexpr auto separator = "::";
static constexpr size_t separatorSize = 2;
size_t separatorPos = 0;
auto findNextSeparator = [&reporterSpec]( size_t startPos ) {
static_assert(
separatorSize == 2,
"The code below currently assumes 2 char separator" );
auto currentPos = startPos;
do {
while ( currentPos < reporterSpec.size() &&
reporterSpec[currentPos] != separator[0] ) {
++currentPos;
}
if ( currentPos + 1 < reporterSpec.size() &&
reporterSpec[currentPos + 1] == separator[1] ) {
return currentPos;
}
++currentPos;
} while ( currentPos < reporterSpec.size() );
return static_cast<size_t>( -1 );
};
std::vector<std::string> parts;
while ( separatorPos < reporterSpec.size() ) {
const auto nextSeparator = findNextSeparator( separatorPos );
parts.push_back( static_cast<std::string>( reporterSpec.substr(
separatorPos, nextSeparator - separatorPos ) ) );
if ( nextSeparator == static_cast<size_t>( -1 ) ) {
break;
}
separatorPos = nextSeparator + separatorSize;
}
// Handle a separator at the end.
// This is not a valid spec, but we want to do validation in a
// centralized place
if ( separatorPos == reporterSpec.size() ) {
parts.emplace_back();
}
return parts;
}
Optional<ColourMode> stringToColourMode( StringRef colourMode ) {
if ( colourMode == "default" ) {
return ColourMode::PlatformDefault;
} else if ( colourMode == "ansi" ) {
return ColourMode::ANSI;
} else if ( colourMode == "win32" ) {
return ColourMode::Win32;
} else if ( colourMode == "none" ) {
return ColourMode::None;
} else {
return {};
}
}
} // namespace Detail
bool operator==( ReporterSpec const& lhs, ReporterSpec const& rhs ) {
return lhs.m_name == rhs.m_name &&
lhs.m_outputFileName == rhs.m_outputFileName &&
lhs.m_colourMode == rhs.m_colourMode &&
lhs.m_customOptions == rhs.m_customOptions;
}
Optional<ReporterSpec> parseReporterSpec( StringRef reporterSpec ) {
auto parts = Detail::splitReporterSpec( reporterSpec );
assert( parts.size() > 0 && "Split should never return empty vector" );
std::map<std::string, std::string> kvPairs;
Optional<std::string> outputFileName;
Optional<ColourMode> colourMode;
// First part is always reporter name, so we skip it
for ( size_t i = 1; i < parts.size(); ++i ) {
auto kv = splitKVPair( parts[i] );
auto key = kv.key, value = kv.value;
if ( key.empty() || value.empty() ) { // NOLINT(bugprone-branch-clone)
return {};
} else if ( key[0] == 'X' ) {
// This is a reporter-specific option, we don't check these
// apart from basic sanity checks
if ( key.size() == 1 ) {
return {};
}
auto ret = kvPairs.emplace( std::string(kv.key), std::string(kv.value) );
if ( !ret.second ) {
// Duplicated key. We might want to handle this differently,
// e.g. by overwriting the existing value?
return {};
}
} else if ( key == "out" ) {
// Duplicated key
if ( outputFileName ) {
return {};
}
outputFileName = static_cast<std::string>( value );
} else if ( key == "colour-mode" ) {
// Duplicated key
if ( colourMode ) {
return {};
}
colourMode = Detail::stringToColourMode( value );
// Parsing failed
if ( !colourMode ) {
return {};
}
} else {
// Unrecognized option
return {};
}
}
return ReporterSpec{ CATCH_MOVE( parts[0] ),
CATCH_MOVE( outputFileName ),
CATCH_MOVE( colourMode ),
CATCH_MOVE( kvPairs ) };
}
ReporterSpec::ReporterSpec(
std::string name,
Optional<std::string> outputFileName,
Optional<ColourMode> colourMode,
std::map<std::string, std::string> customOptions ):
m_name( CATCH_MOVE( name ) ),
m_outputFileName( CATCH_MOVE( outputFileName ) ),
m_colourMode( CATCH_MOVE( colourMode ) ),
m_customOptions( CATCH_MOVE( customOptions ) ) {}
} // namespace Catch
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