Files
tubestation/dom/xhr/XMLHttpRequestString.cpp

132 lines
2.5 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "XMLHttpRequestString.h"
#include "nsISupportsImpl.h"
namespace mozilla {
namespace dom {
class XMLHttpRequestStringBuffer final
{
friend class XMLHttpRequestStringWriterHelper;
public:
NS_INLINE_DECL_REFCOUNTING(XMLHttpRequestStringBuffer)
uint32_t
Length()
{
return mData.Length();
}
void
Append(const nsAString& aString)
{
mData.Append(aString);
}
void
GetAsString(nsAString& aString)
{
aString = mData;
}
size_t
SizeOfThis(MallocSizeOf aMallocSizeOf) const
{
return mData.SizeOfExcludingThisIfUnshared(aMallocSizeOf);
}
private:
~XMLHttpRequestStringBuffer()
{}
nsString& Data()
{
return mData;
}
nsString mData;
};
// ---------------------------------------------------------------------------
// XMLHttpRequestString
XMLHttpRequestString::XMLHttpRequestString()
: mBuffer(new XMLHttpRequestStringBuffer())
{
}
XMLHttpRequestString::~XMLHttpRequestString()
{
}
void
XMLHttpRequestString::Truncate()
{
mBuffer = new XMLHttpRequestStringBuffer();
}
uint32_t
XMLHttpRequestString::Length() const
{
return mBuffer->Length();
}
void
XMLHttpRequestString::Append(const nsAString& aString)
{
mBuffer->Append(aString);
}
void
XMLHttpRequestString::GetAsString(nsAString& aString) const
{
return mBuffer->GetAsString(aString);
}
size_t
XMLHttpRequestString::SizeOfThis(MallocSizeOf aMallocSizeOf) const
{
return mBuffer->SizeOfThis(aMallocSizeOf);
}
bool
XMLHttpRequestString::IsEmpty() const
{
return !mBuffer->Length();
}
// ---------------------------------------------------------------------------
// XMLHttpRequestStringWriterHelper
XMLHttpRequestStringWriterHelper::XMLHttpRequestStringWriterHelper(XMLHttpRequestString& aString)
: mBuffer(aString.mBuffer)
{
}
bool
XMLHttpRequestStringWriterHelper::AddCapacity(int32_t aCapacity)
{
return mBuffer->Data().SetCapacity(mBuffer->Length() + aCapacity, fallible);
}
char16_t*
XMLHttpRequestStringWriterHelper::EndOfExistingData()
{
return mBuffer->Data().BeginWriting() + mBuffer->Length();
}
void
XMLHttpRequestStringWriterHelper::AddLength(int32_t aLength)
{
mBuffer->Data().SetLength(mBuffer->Length() + aLength);
}
} // dom namespace
} // mozilla namespace