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python_encoding.h

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00001 /* This file is part of the KDE libraries
00002    Copyright (C) 2001,2006 Joseph Wenninger <jowenn@kde.org>
00003       [katedocument.cpp, LGPL v2 only]
00004 
00005 ================RELICENSED=================
00006 
00007     This file is part of the KDE libraries
00008     Copyright (C) 2008 Joseph Wenninger <jowenn@kde.org>
00009 
00010     This library is free software; you can redistribute it and/or
00011     modify it under the terms of the GNU Library General Public
00012     License as published by the Free Software Foundation; either
00013     version 2 of the License, or (at your option) any later version.
00014 
00015     This library is distributed in the hope that it will be useful,
00016     but WITHOUT ANY WARRANTY; without even the implied warranty of
00017     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018     Library General Public License for more details.
00019 
00020     You should have received a copy of the GNU Library General Public License
00021     along with this library; see the file COPYING.LIB.  If not, write to
00022     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00023     Boston, MA 02110-1301, USA.
00024 */
00025 
00026 #ifndef KTEXTEDITOR_PYTHON_ENCODING
00027 #define KTEXTEDITOR_PYTHON_ENCODING
00028 
00029 #include <ktexteditor/loadsavefiltercheckplugin.h>
00030 #include <ktexteditor/view.h>
00031 #include <kmessagebox.h>
00032 #include <klocale.h>
00033 #include <QList>
00034 #include <QVariant>
00035 
00036 class KTextEditorPythonEncodingCheck: public KTextEditor::LoadSaveFilterCheckPlugin {
00037   Q_OBJECT
00038   public:
00039     KTextEditorPythonEncodingCheck(QObject *parent, QList<QVariant>):KTextEditor::LoadSaveFilterCheckPlugin(parent){interpreterLine=QRegExp(QString("#!.*$"));}
00040     virtual ~KTextEditorPythonEncodingCheck(){}
00041     virtual bool postSaveFilterCheck(KTextEditor::Document *document,bool saveas) {return true;}
00042     virtual bool preSavePostDialogFilterCheck(KTextEditor::Document *document)
00043     {
00044       kDebug(13020)<<"KTextEditorPythonEncodingCheck::preSavePostDialogCheck";
00045       //QString codec=document->config()->codec()->name().toLower();
00046       QString codec=document->encoding().toLower();
00047       codec.replace(' ','-');
00048 //  "#\s*-\*\-\s*coding[:=]\s*([-\w.]+)\s*-\*-\s*$"
00049       bool firstIsInterpreter=false;
00050       QRegExp encoding_regex(QString("#\\s*-\\*\\-\\s*coding[:=]\\s*%1\\s*-\\*-\\s*$").arg(codec));
00051       bool correctencoding=false;
00052       if (document->lines()>0)
00053       {
00054         if (encoding_regex.exactMatch(document->line(0))) correctencoding=true;
00055         else if (document->lines()>1) {
00056           if (interpreterLine.exactMatch(document->line(0)))
00057           {
00058             firstIsInterpreter=true;
00059             if (encoding_regex.exactMatch(document->line(1))) correctencoding=true;
00060           }
00061         }
00062       }
00063       if (!correctencoding) {
00064         QString addLine(QString("# -*- coding: %1 -*-").arg(codec));
00065         int what=KMessageBox::warningYesNoCancel (document->activeView()
00066         , i18n ("You are trying to save a python file as non ASCII, without specifiying a correct source encoding line for encoding \"%1\"", codec)
00067         , i18n ("No encoding header")
00068         , KGuiItem(i18n("Insert: %1",addLine))
00069         , KGuiItem(i18n("Save Nevertheless"))
00070         , KStandardGuiItem::cancel(), "OnSave-WrongPythonEncodingHeader");
00071         switch (what) {
00072           case KMessageBox::Yes:
00073           {
00074             int line=firstIsInterpreter?1:0;
00075             QRegExp checkReplace_regex(QString("#\\s*-\\*\\-\\s*coding[:=]\\s*[-\\w]+\\s*-\\*-\\s*$"));
00076             if (checkReplace_regex.exactMatch(document->line(line)))
00077               document->removeLine(line);
00078             document->insertLine(line,addLine);
00079             break;
00080           }
00081           case KMessageBox::No:
00082             return true;
00083             break;
00084           default:
00085             return false;
00086             break;
00087         }
00088       }
00089       return true;
00090     }
00091     virtual void postLoadFilter(KTextEditor::Document*){    }
00092     private:
00093       QRegExp interpreterLine;
00094 };
00095 
00096 #endif
00097 
00098 // kate: space-indent on; indent-width 2; replace-tabs on;

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