C++ JRegex::MatchAfter方法代码示例

void
GDBPlot2DCommand::HandleSuccess
	(
	const JString& data
	)
{
	JArray<JFloat>* x = GetX();
	JArray<JFloat>* y = GetY();

	if ((GetLastResult()).BeginsWith("error,msg=\"No symbol"))
		{
		x->RemoveAll();
		y->RemoveAll();
		return;
		}

	const JIndex count = x->GetElementCount();

	JIndex i;
	JIndexRange r;
	JArray<JIndexRange> matchRange1, matchRange2;
	JString v1, v2;
	for (i=1; i<=count; i++)
		{
		if (!prefixPattern.MatchAfter(data, r, &matchRange1))
			{
			break;
			}
		r = matchRange1.GetElement(1);

		if (!prefixPattern.MatchAfter(data, r, &matchRange2))
			{
			break;
			}
		r = matchRange2.GetElement(1);

		v1 = data.GetSubstring(matchRange1.GetElement(2));
		v1.TrimWhitespace();

		v2 = data.GetSubstring(matchRange2.GetElement(2));
		v2.TrimWhitespace();

		JFloat x1, y1;
		if (!v1.ConvertToFloat(&x1) ||
			!v2.ConvertToFloat(&y1))
			{
			break;
			}

		x->SetElement(i, x1);
		y->SetElement(i, y1);
		}

	if (i <= count)
		{
		const JSize delta = count - (i-1);
		x->RemoveNextElements(count - delta + 1, delta);
		y->RemoveNextElements(count - delta + 1, delta);
		}
}

JBoolean
JGetUserMountPointList
	(
	JMountPointList*	list,
	JMountState*		state
	)
{
	JProcess* p;
	int outFD;
	const JError err = JProcess::Create(&p, kMountCmd,
										kJIgnoreConnection, NULL,
										kJCreatePipe, &outFD,
										kJIgnoreConnection, NULL);
	if (!err.OK())
		{
		if (state != NULL)
			{
			jdelete state->mountCmdOutput;
			state->mountCmdOutput = NULL;
			}
		return kJFalse;
		}

	JString mountData;
	JReadAll(outFD, &mountData);

	p->WaitUntilFinished();
	const JBoolean success = p->SuccessfulFinish();
	jdelete p;
	p = NULL;

	if (!success)
		{
		if (state != NULL)
			{
			jdelete state->mountCmdOutput;
			state->mountCmdOutput = NULL;
			}
		return kJFalse;
		}

	if (state != NULL && state->mountCmdOutput != NULL &&
		mountData == *(state->mountCmdOutput))
		{
		return kJFalse;
		}

	list->CleanOut();
	if (state != NULL && state->mountCmdOutput == NULL)
		{
		state->mountCmdOutput = jnew JString(mountData);
		assert( state->mountCmdOutput != NULL );
		}
	else if (state != NULL)
		{
		*(state->mountCmdOutput) = mountData;
		}

	JIndexRange r;
	JArray<JIndexRange> matchList;
	JString options;
	ACE_stat stbuf;
	while (theLinePattern.MatchAfter(mountData, r, &matchList))
		{
		r = matchList.GetFirstElement();

		options = mountData.GetSubstring(matchList.GetElement(4));
		if (options.Contains("nobrowse"))
			{
			continue;
			}

		JString* path = jnew JString(mountData.GetSubstring(matchList.GetElement(3)));
		assert( path != NULL );
		JString* devicePath = jnew JString(mountData.GetSubstring(matchList.GetElement(2)));
		assert( devicePath != NULL );

		const JMountType type =
			JGetUserMountPointType(*path, *devicePath, "");
		if (type == kJUnknownMountType ||
			ACE_OS::stat(*path, &stbuf) != 0)
			{
			jdelete path;
			jdelete devicePath;
			continue;
			}

		JFileSystemType fsType = kOtherFSType;
		if (options.Contains("msdos"))
			{
			fsType = kVFATType;
			}

		list->AppendElement(JMountPoint(path, type, stbuf.st_dev, devicePath, fsType));
		}

	return kJTrue;
}

void
GDBGetStack::HandleSuccess
	(
	const JString& cmdData
	)
{
	JTreeNode* root       = (GetTree())->GetRoot();
	JIndex initFrameIndex = 0;

	const JString& data = GetLastResult();
	std::istringstream stream(data.GetCString());

	JIndexRange origRange, newRange;
	JStringPtrMap<JString> map(JPtrArrayT::kDeleteAll);
	JString frameName, fileName;
	while (framePattern.MatchAfter(data, origRange, &newRange))
		{
		stream.seekg(newRange.last);
		if (!GDBLink::ParseMap(stream, &map))
			{
			(CMGetLink())->Log("invalid data map");
			break;
			}
		origRange.first = origRange.last = ((std::streamoff) stream.tellg()) + 1;

		JString* s;
		JIndex frameIndex;
		if (!map.GetElement("level", &s))
			{
			(CMGetLink())->Log("missing frame index");
			continue;
			}
		if (!s->ConvertToUInt(&frameIndex))
			{
			(CMGetLink())->Log("frame index is not integer");
			continue;
			}

		frameName = *s;
		while (frameName.GetLength() < kFrameIndexWidth)
			{
			frameName.PrependCharacter('0');
			}
		frameName += ":  ";

		JString* fnName;
		if (!map.GetElement("func", &fnName))
			{
			(CMGetLink())->Log("missing function name");
			continue;
			}
		frameName += *fnName;

		if (map.GetElement("file", &s))
			{
			fileName = *s;
			}

		JIndex lineIndex = 0;
		if (map.GetElement("line", &s) &&
			!s->ConvertToUInt(&lineIndex))
			{
			(CMGetLink())->Log("line number is not integer");
			continue;
			}

		CMStackFrameNode* node =
			new CMStackFrameNode(root, frameIndex, frameName,
								 fileName, lineIndex);
		assert( node != NULL );
		root->Prepend(node);

		if (assertPattern.Match(*fnName))
			{
			initFrameIndex = frameIndex + 1;
			}
		}

	itsArgsCmd->Send();

	(GetWidget())->FinishedLoading(initFrameIndex);
}