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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/matchers/catch_matchers_string.hpp>
#include <catch2/internal/catch_string_manip.hpp>
#include <catch2/catch_tostring.hpp>
#include <catch2/internal/catch_move_and_forward.hpp>
#include <regex>
namespace Catch {
namespace Matchers {
CasedString::CasedString( std::string const& str, CaseSensitive caseSensitivity )
: m_caseSensitivity( caseSensitivity ),
m_str( adjustString( str ) )
{}
std::string CasedString::adjustString( std::string const& str ) const {
return m_caseSensitivity == CaseSensitive::No
? toLower( str )
: str;
}
StringRef CasedString::caseSensitivitySuffix() const {
return m_caseSensitivity == CaseSensitive::Yes
? StringRef()
: " (case insensitive)"_sr;
}
StringMatcherBase::StringMatcherBase( StringRef operation, CasedString const& comparator )
: m_comparator( comparator ),
m_operation( operation ) {
}
std::string StringMatcherBase::describe() const {
std::string description;
description.reserve(5 + m_operation.size() + m_comparator.m_str.size() +
m_comparator.caseSensitivitySuffix().size());
description += m_operation;
description += ": \"";
description += m_comparator.m_str;
description += '"';
description += m_comparator.caseSensitivitySuffix();
return description;
}
StringEqualsMatcher::StringEqualsMatcher( CasedString const& comparator ) : StringMatcherBase( "equals"_sr, comparator ) {}
bool StringEqualsMatcher::match( std::string const& source ) const {
return m_comparator.adjustString( source ) == m_comparator.m_str;
}
StringContainsMatcher::StringContainsMatcher( CasedString const& comparator ) : StringMatcherBase( "contains"_sr, comparator ) {}
bool StringContainsMatcher::match( std::string const& source ) const {
return contains( m_comparator.adjustString( source ), m_comparator.m_str );
}
StartsWithMatcher::StartsWithMatcher( CasedString const& comparator ) : StringMatcherBase( "starts with"_sr, comparator ) {}
bool StartsWithMatcher::match( std::string const& source ) const {
return startsWith( m_comparator.adjustString( source ), m_comparator.m_str );
}
EndsWithMatcher::EndsWithMatcher( CasedString const& comparator ) : StringMatcherBase( "ends with"_sr, comparator ) {}
bool EndsWithMatcher::match( std::string const& source ) const {
return endsWith( m_comparator.adjustString( source ), m_comparator.m_str );
}
RegexMatcher::RegexMatcher(std::string regex, CaseSensitive caseSensitivity): m_regex(CATCH_MOVE(regex)), m_caseSensitivity(caseSensitivity) {}
bool RegexMatcher::match(std::string const& matchee) const {
auto flags = std::regex::ECMAScript; // ECMAScript is the default syntax option anyway
if (m_caseSensitivity == CaseSensitive::No) {
flags |= std::regex::icase;
}
auto reg = std::regex(m_regex, flags);
return std::regex_match(matchee, reg);
}
std::string RegexMatcher::describe() const {
return "matches " + ::Catch::Detail::stringify(m_regex) + ((m_caseSensitivity == CaseSensitive::Yes)? " case sensitively" : " case insensitively");
}
StringEqualsMatcher Equals( std::string const& str, CaseSensitive caseSensitivity ) {
return StringEqualsMatcher( CasedString( str, caseSensitivity) );
}
StringContainsMatcher ContainsSubstring( std::string const& str, CaseSensitive caseSensitivity ) {
return StringContainsMatcher( CasedString( str, caseSensitivity) );
}
EndsWithMatcher EndsWith( std::string const& str, CaseSensitive caseSensitivity ) {
return EndsWithMatcher( CasedString( str, caseSensitivity) );
}
StartsWithMatcher StartsWith( std::string const& str, CaseSensitive caseSensitivity ) {
return StartsWithMatcher( CasedString( str, caseSensitivity) );
}
RegexMatcher Matches(std::string const& regex, CaseSensitive caseSensitivity) {
return RegexMatcher(regex, caseSensitivity);
}
} // namespace Matchers
} // namespace Catch
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