catch2/include/internal/catch_stringdata.cpp

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2017-06-29 12:18:14 +02:00
/*
* Copyright 2016 Two Blue Cubes Ltd. All rights reserved.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#include "catch_stringdata.h"
#include "catch_stringref.h"
#include <new>
#include <cstring>
#include <cassert>
namespace Catch {
auto StringData::getEmpty() -> StringData* {
static StringData s_empty( 0 );
return &s_empty;
}
auto StringData::create( StringRef const& stringRef ) -> StringData* {
return create( stringRef, stringRef.size() );
}
auto StringData::create( StringRef const& stringRef, unsigned long capacity ) -> StringData* {
if( capacity == 0 ) {
return getEmpty();
}
else {
assert( stringRef.size() <= capacity );
auto bufferLen = sizeof(StringData)+capacity;
void* buffer = new char[bufferLen];
return new(buffer) StringData( stringRef, capacity );
}
}
StringData::StringData( unsigned int initialRef )
: m_refs( initialRef ),
size( 0 )
{}
StringData::StringData( StringRef const& stringRef, unsigned long capacity )
: m_refs( 1 ),
size( capacity)
{
std::memcpy( chars, stringRef.data(), stringRef.size() );
chars[stringRef.size() ] = 0;
}
} // namespace Catch