C++ Ztring::clear方法代码示例

//---------------------------------------------------------------------------
// Write
void ZtringList::Write(const Ztring &ToWrite)
{
    clear();

    if (!&ToWrite || !ToWrite.size())
        return;

    size_type PosC=0;
    bool Fini=false;
    Ztring C1;

    Ztring DelimiterL;
    Ztring DelimiterR;
    do
    {
        if (ToWrite.size()>PosC && Quote.size()>0 && ToWrite[PosC]==Quote[0] && ToWrite.substr(PosC, Quote.size())==Quote) //Quote found (ToWrite[PosC]==Quote[0] is here for optimization
        {
            DelimiterL=Quote;
            DelimiterR=Quote+Separator[0];
        }
        else
        {
            DelimiterL.clear();
            DelimiterR=Separator[0];
        }

        C1=ToWrite.SubString(DelimiterL, DelimiterR, PosC, Ztring_AddLastItem);
        if (DelimiterR.size()>Separator[0].size() && C1.size()==ToWrite.size()-Quote.size()-PosC) //This is the last item of the line, we must suppress the Quote at the end
            C1.resize(C1.size()-Quote.size());

        if (size()<Max[0])
            push_back(C1);
        else
        {
            //No more adding is permit, we add to the last element (with the separator)
            at(size()-1)+=Separator[0];
            at(size()-1)+=C1;
        }

        PosC+=C1.size()+DelimiterL.size()+DelimiterR.size();
        if (PosC>=ToWrite.size())
            Fini=true;
    }
    while (!Fini);

    return;
}

//---------------------------------------------------------------------------
// Open an item
ZenLib::Ztring Enums_Create_Item(const Ztring &Directory, const Ztring &Name, Ztring &Contents)
{
    Contents.clear();
    Ztring Result;

    //Load header
    Ztring Partial;
    Result=Enums_Create_Load(L"../Source/Resource/Text/Enums_.2.txt", Partial);
    if (!Result.empty())
        return Result;
    Partial.FindAndReplace(L"%Name%", Ztring(Name).MakeLowerCase());
    Contents+=Partial;

    //Load line template
    Ztring Line;
    Result=Enums_Create_Load(L"../Source/Resource/Text/Enums_.5.txt", Line);
    if (!Result.empty())
        return Result;

    //Read input file
    ZtringListListF ZLL;
    ZLL.Load(Ztring(L"../Source/Resource/Text/")+Directory+L"/"+Name+L".csv");
    for (size_t Pos=0; Pos<ZLL.size(); Pos++)
    {
        Ztring Line_Temp=Line;
        Line_Temp.FindAndReplace(L"%Name%", Name);
        Ztring &ToAdd=ZLL(Pos, 0);
        ToAdd.FindAndReplace(__T("/"), __T("_"), 0, Ztring_Recursive); //C++ does not accept "/" in names
        ToAdd.FindAndReplace(__T("("), __T("_")); //C++ does not accept "(" in names
        ToAdd.FindAndReplace(__T(")"), __T("_")); //C++ does not accept ")" in names
        ToAdd.FindAndReplace(__T("*"), __T("_")); //C++ does not accept "*" in names
        ToAdd.FindAndReplace(__T("-"), __T("_")); //C++ does not accept "-" in names
        Line_Temp.FindAndReplace(L"%Line%", ToAdd);
        Contents+=Line_Temp;
    }

    //Load footer template
    Result=Enums_Create_Load(L"../Source/Resource/Text/Enums_.8.txt", Partial);
    if (!Result.empty())
        return Result;
    Contents+=Partial;

    return L"";
}

//---------------------------------------------------------------------------
bool File_Pdf::Get_Next(string &Key, Ztring &Value)
{
    Key.clear();
    Value.clear();

    string Line;

    //Removig end of lines
    while (Element_Offset<Element_Size && (Buffer[Buffer_Offset+(size_t)Element_Offset]=='\r' || Buffer[Buffer_Offset+(size_t)Element_Offset]=='\n' || Buffer[Buffer_Offset+(size_t)Element_Offset]==' '))
        Element_Offset++;

    //End
    if (Element_Offset>=Element_Size)
        return true;

    //Testing Catalog
    Peek_String (2, Line);
    if (Line=="<<")
    {
        Element_Offset+=2;
        Catalog_Level++;
        return true;
    }
    else if (Line==">>")
    {
        Element_Offset+=2;
        Catalog_Level--;
        return true;
    }

    //Getting a complete line
    Peek_String (SizeOfLine(), Line);

    //Testing Catalog
    size_t Catalog_End=Line.find(">>");
    if (Catalog_End!=String::npos)
        Line.resize(Catalog_End);

    //Testing stream
    if (Line=="stream")
    {
        Skip_String(Line.size(),                                "Stream, Header");
        Key=Line;
        return false;
    }
    if (Line=="endstream")
    {
        Skip_String(Line.size(),                                "Stream, Footer");
        Key=Line;
        return false;
    }

    //Testing object
    if (Line=="endobj")
    {
        Skip_String(Line.size(),                                "Footer");
        Key=Line;
        return false;
    }

    //Base
    int64u Line_Base=Element_Offset;

    //Testing next key
    size_t Line_End=0;
    size_t Line_Begin=Line_End;

    // Key-Value
    if (Line_Begin<Line.size() && Line[Line_Begin]=='/')
    {
        Line_End= Line_Begin+1;
        size_t HasParenthesis=0;
        size_t HasBracket=0;
        size_t HasSpace=0;
        size_t HasValue=0;
        for (;;)
        {
            if (Line_End==Line.size())
                break;

            if (!HasParenthesis && !HasBracket && HasValue && Line[Line_End]=='<' && Line_End+1<Line.size() && Line[Line_End+1]=='<')
                break;
            if (!HasParenthesis && !HasBracket && HasValue && Line[Line_End]=='/')
                break;
            else if (!HasValue && Line[Line_End]=='/')
                ++HasValue;
            else if (!HasValue && HasSpace)
                ++HasValue;

            if (Line[Line_End]==' ')
                ++HasSpace;

            if (Line[Line_End]=='(')
                ++HasParenthesis;
            if (HasParenthesis && Line[Line_End]==')')
                --HasParenthesis;

            if (Line[Line_End]=='[')
                ++HasBracket;
//.........这里部分代码省略.........

//---------------------------------------------------------------------------
void GUI_Main_Core_Table::contextMenuEvent (QContextMenuEvent* Event)
{
    //Retrieving data
    QTableWidgetItem* Item=itemAt(Event->pos());
    if (Item==NULL)
        return;
    string FileName=FileName_Before+item(Item->row(), 0)->text().toLocal8Bit().data();
    string Field=horizontalHeaderItem(Item->column())->text().toLocal8Bit().data();
    ZtringList History; History.Write(C->History(FileName, Field));
    Ztring Date;
    if (Field=="OriginationDate" || Field=="OriginationTime" || Field=="ICRD")
    {
        Date=C->FileDate_Get(FileName);
        if (Date.size()>=10+1+8)
        {
            if (Date.size()>=10+1+8)
                Date.resize(10+1+8);
            if (Field=="ICRD")
                Date.insert(0, "&Set ICRD to file creation timestamp ("); //If you change this, change at the end of method too
            else
                Date.insert(0, "&Set originationDate and Time to file creation timestamp ("); //If you change this, change at the end of method too
            Date.append(")");
        }
        else
            Date.clear();
    }

    //Creating menu
    QMenu menu(this);

    //Handling AllFiles display
    {
        menu.addAction(new QAction("Fill all open files with this field value", this)); //If you change this, change the test text too
        menu.addSeparator();
    }

    //Handling Clear display
    if (!item(Item->row(), Item->column())->text().isEmpty() && C->IsValid(FileName, Field, string()))
    {
        menu.addAction(new QAction("Clear this value", this)); //If you change this, change the test text too
        menu.addSeparator();
    }

    //Handling date display
    if (!Date.empty())
    {
        menu.addAction(new QAction(QString().fromUtf8(Date.To_Local().c_str()), this));
        menu.addSeparator();
    }

    //Handling history display
    size_t Pos=History.size();
    if (!History.empty())
        do
        {
            Pos--;

            QString Text=QString().fromUtf8(History[Pos].To_Local().c_str());
            if (!Text.isEmpty())
            {
                QAction* Action=new QAction(Text, this);
                menu.addAction(Action);
            }
        }
        while (Pos>0);
    
    //Displaying
    QAction* Action=menu.exec(Event->globalPos());
    if (Action==NULL)
        return;

    //Retrieving data
    QString Text=Action->text();


    //Special cases
    if (Text=="Fill all open files with this field value") //If you change this, change the creation text too
    {
        for (int Row=0; Row<rowCount(); Row++)
        {
            item(Row, Item->column())->setText(QString().fromUtf8(Ztring(C->Get(FileName, Field)).To_Local().c_str()));
            dataChanged(indexFromItem(item(Row, Item->column())), indexFromItem(item(Row, Item->column())));

            //Special cases
            if (Field=="UMID" || Field=="LoudnessValue" || Field=="LoudnessRange" || Field=="MaxTruePeakLevel" || Field=="MaxMomentaryLoudness" || Field=="MaxShortTermLoudness")
            {
                //Changing BextVersion Enabled value
                SetText   (*Item, "BextVersion");
                SetEnabled(*Item, "BextVersion");
            }
        }
        return;
    }
    if (Text=="Clear this value") //If you change this, change the creation text too
        Text.clear();

    //Filling
    if (Text.contains("&Set ")) //If you change this, change the creation text too
    {
//.........这里部分代码省略.........