mirror of
https://github.com/catchorg/Catch2.git
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85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
/*
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* Copyright 2016 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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#if defined(__clang__)
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# pragma clang diagnostic push
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# pragma clang diagnostic ignored "-Wexit-time-destructors"
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#endif
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#include "catch_stringref.h"
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#include <ostream>
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#include <cstring>
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#include <cstdint>
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namespace Catch {
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StringRef::StringRef( char const* rawChars ) noexcept
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: StringRef( rawChars, static_cast<StringRef::size_type>(std::strlen(rawChars) ) )
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{}
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void StringRef::swap( StringRef& other ) noexcept {
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std::swap( m_start, other.m_start );
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std::swap( m_size, other.m_size );
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std::swap( m_data, other.m_data );
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}
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auto StringRef::c_str() const -> char const* {
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if( !isSubstring() )
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return m_start;
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const_cast<StringRef *>( this )->takeOwnership();
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return m_data;
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}
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auto StringRef::currentData() const noexcept -> char const* {
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return m_start;
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}
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auto StringRef::isOwned() const noexcept -> bool {
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return m_data != nullptr;
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}
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auto StringRef::isSubstring() const noexcept -> bool {
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return m_start[m_size] != '\0';
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}
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void StringRef::takeOwnership() {
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if( !isOwned() ) {
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m_data = new char[m_size+1];
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memcpy( m_data, m_start, m_size );
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m_data[m_size] = '\0';
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}
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}
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auto StringRef::substr( size_type start, size_type size ) const noexcept -> StringRef {
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if( start < m_size )
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return StringRef( m_start+start, size );
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else
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return StringRef();
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}
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auto StringRef::operator == ( StringRef const& other ) const noexcept -> bool {
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return
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size() == other.size() &&
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(std::strncmp( m_start, other.m_start, size() ) == 0);
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}
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auto StringRef::operator != ( StringRef const& other ) const noexcept -> bool {
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return !operator==( other );
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}
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auto operator << ( std::ostream& os, StringRef const& str ) -> std::ostream& {
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return os.write(str.currentData(), str.size());
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}
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auto operator+=( std::string& lhs, StringRef const& rhs ) -> std::string& {
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lhs.append(rhs.currentData(), rhs.size());
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return lhs;
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}
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} // namespace Catch
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#if defined(__clang__)
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# pragma clang diagnostic pop
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#endif
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