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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "outputcallback.h"
#include "stringutils.h"
#include "extensioncontext.h"
#include <cstring>
/* \class OutputCallback
OutputCallback catches DEBUG_OUTPUT_DEBUGGEE and reports it
hex-encoded back to Qt Creator.
\ingroup qtcreatorcdbext
*/
OutputCallback::OutputCallback(IDebugOutputCallbacksWide *wrapped) :
m_wrapped(wrapped)
{
}
OutputCallback::~OutputCallback() // must be present to avoid exit crashes
{
}
STDMETHODIMP OutputCallback::QueryInterface(
THIS_
IN REFIID InterfaceId,
OUT PVOID* Interface
)
{
*Interface = NULL;
if (IsEqualIID(InterfaceId, __uuidof(IUnknown)) ||
IsEqualIID(InterfaceId, __uuidof(IDebugOutputCallbacksWide)))
{
*Interface = (IDebugOutputCallbacksWide*)this;
AddRef();
return S_OK;
} else {
return E_NOINTERFACE;
}
}
STDMETHODIMP_(ULONG) OutputCallback::AddRef(THIS)
{
// This class is designed to be static so
// there's no true refcount.
return 1;
}
STDMETHODIMP_(ULONG) OutputCallback::Release(THIS)
{
// This class is designed to be static so
// there's no true refcount.
return 0;
}
STDMETHODIMP OutputCallback::Output(
THIS_
IN ULONG mask,
IN PCWSTR text
)
{
if (m_recording)
m_recorded.append(text);
// Do not unconditionally output ourselves here, as this causes an endless
// recursion. Suppress prompts (note that sequences of prompts may mess parsing up)
if (!m_wrapped || mask == DEBUG_OUTPUT_PROMPT)
return S_OK;
// Wrap debuggee output in gdbmi such that creator recognizes it
if (mask != DEBUG_OUTPUT_DEBUGGEE) {
m_wrapped->Output(mask, text);
return S_OK;
}
// Base encode as GDBMI is not really made for wide chars
std::ostringstream str;
hexEncode(str, reinterpret_cast<const unsigned char *>(text), sizeof(wchar_t) * std::wcslen(text));
ExtensionContext::instance().reportLong('E', 0, "debuggee_output", str.str().c_str());
return S_OK;
}
void OutputCallback::startRecording()
{
m_recorded.clear();
m_recording = true;
}
std::wstring OutputCallback::stopRecording()
{
const std::wstring rc = m_recorded;
m_recorded.clear();
m_recording = false;
return rc;
}
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