C++ JPtrArray::IsEmpty方法代码示例

void
JWebBrowser::ShowFileLocations
	(
	const JPtrArray<JString>& fileList
	)
{
	if (fileList.IsEmpty())
		{
		return;
		}

	const JSize count = fileList.GetElementCount();
	if (itsShowFileLocationCmd.Contains("$"))
		{
		for (JIndex i=1; i<=count; i++)
			{
			ShowFileLocation(*(fileList.NthElement(i)));
			}
		}
	else
		{
		JString s = itsShowFileLocationCmd;
		for (JIndex i=1; i<=count; i++)
			{
			s += " '";
			s += *(fileList.NthElement(i));
			s += "'";
			}

		JSimpleProcess::Create(s, kJTrue);
		}
}

JBoolean
ShouldGenerateForm
	(
	const JString&				form,
	const JPtrArray<JString>&	list
	)
{
	if (list.IsEmpty())
		{
		return kJTrue;
		}

	const JSize count = list.GetElementCount();
	for (JIndex i=1; i<=count; i++)
		{
		if (form == *(list.NthElement(i)))
			{
			return kJTrue;
			}
		}
	return kJFalse;
}

void
JXFSBindingManager::Exec
(
    const JPtrArray<JString>&	fileList,
    const JBoolean				ignoreBindings
)
{
    if (fileList.IsEmpty())
    {
        return;
    }

    JXFSBindingManager* me = Instance();

    if (me->itsFileList == NULL)
    {
        me->itsFileList = new JPtrArray<JFSBinding>(JPtrArrayT::kDeleteAll);
        assert( me->itsFileList != NULL );
        me->itsFileList->SetCompareFunction(ComparePatterns);
    }

    const JSize count = fileList.GetElementCount();
    for (JIndex i=1; i<=count; i++)
    {
        const JString* fileName = fileList.NthElement(i);

        JFSBinding* f = new JFSBinding(*fileName, "", JFSBinding::kRunPlain, kJTrue, kJFalse);
        assert( f != NULL );
        if (!me->itsFileList->InsertSorted(f, kJFalse))
        {
            delete f;
        }
    }

    me->itsIgnoreBindingsFlag = ignoreBindings;
    me->ProcessFiles();
}

JBoolean
CBSymbolList::ConvertToFullNames
	(
	JArray<JIndex>*				noContextList,
	JArray<JIndex>*				contextList,
	const JString&				contextNamespace1,
	const JString&				contextNamespace2,
	const CBLanguage			contextLang,
	const JPtrArray<JString>&	cContextNamespaceList,
	const JPtrArray<JString>&	javaContextNamespaceList
	)
	const
{
	const JBoolean useLangNSContext = !contextNamespace1.IsEmpty();
	const JBoolean useCNSContext    = !cContextNamespaceList.IsEmpty();
	const JBoolean useJavaNSContext = !javaContextNamespaceList.IsEmpty();

	// substitute indicies of fully qualified symbols
	// and filter based on namespace context

	const JSize symCount  = itsSymbolList->GetElementCount();
	const SymbolInfo* sym = itsSymbolList->GetCArray();

	const JSize count = noContextList->GetElementCount();
	JString s1, s2;
	for (JIndex i=count; i>=1; i--)
		{
		const JIndex j          = noContextList->GetElement(i) - 1;
		const SymbolInfo& info  = sym[j];
		const JBoolean caseSens = CBIsCaseSensitive(info.lang);

		s1 = "." + *(info.name);
		s2 = ":" + *(info.name);
		for (JIndex k=0; k<symCount; k++)
			{
			if (k != j &&
				sym[k].fileID    == info.fileID &&
				sym[k].lineIndex == info.lineIndex &&
				((sym[k].name)->EndsWith(s1, caseSens) ||
				 (sym[k].name)->EndsWith(s2, caseSens)))
				{
				if ((info.lang == kCBCLang && useCNSContext &&
					 !InContext(*(sym[k].name), cContextNamespaceList, kJTrue)) ||
					(info.lang == kCBJavaLang && useJavaNSContext &&
					 !InContext(*(sym[k].name), javaContextNamespaceList, kJTrue)) ||
					(info.lang == contextLang && useLangNSContext &&
					 !(sym[k].name)->BeginsWith(contextNamespace1, caseSens) &&
					 !(sym[k].name)->Contains(contextNamespace2, caseSens)))
					{
					contextList->RemoveElement(i);
					}
				else
					{
					contextList->SetElement(i, k+1);
					}

				noContextList->SetElement(i, k+1);
				break;
				}
			}
		}

	return !contextList->IsEmpty();
}

JError
CBSearchDocument::Create
	(
	const JPtrArray<JString>&	fileList,
	const JPtrArray<JString>&	nameList,
	const JCharacter*			searchStr,
	const JBoolean				onlyListFiles,
	const JBoolean				listFilesWithoutMatch
	)
{
	assert( !fileList.IsEmpty() );
	assert( fileList.GetElementCount() == nameList.GetElementCount() );

	int fd[2];
	JError err = JCreatePipe(fd);
	if (!err.OK())
		{
		return err;
		}

	pid_t pid;
	err = JThisProcess::Fork(&pid);
	if (!err.OK())
		{
		return err;
		}

	// child

	else if (pid == 0)
		{
		close(fd[0]);

		// get rid of JXCreatePG, since we must not use X connection
		// (binary files may trigger it)
		JInitCore();

		CBSearchTE te;
		JOutPipeStream output(fd[1], kJTrue);
		te.SearchFiles(fileList, nameList,
					   onlyListFiles, listFilesWithoutMatch,
					   output);
		output.close();
		exit(0);
		}

	// parent

	else
		{
		close(fd[1]);

		JProcess* process = jnew JProcess(pid);
		assert( process != NULL );

		const JCharacter* map[] =
			{
			"s", searchStr
			};
		const JString windowTitle = JGetString("SearchTitle::CBSearchDocument", map, sizeof(map));

		CBSearchDocument* doc =
			jnew CBSearchDocument(kJFalse, JI2B(onlyListFiles || listFilesWithoutMatch),
								 fileList.GetElementCount(),
								 process, fd[0], windowTitle);
		assert( doc != NULL );
		doc->Activate();

		RecordLink* link;
		const JBoolean ok = doc->GetRecordLink(&link);
		assert( ok );
		CBSearchTE::SetProtocol(link);
		}

	return JNoError();
}