tools/qdoc3/location.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
equal deleted inserted replaced
-1:000000000000 0:1918ee327afb
       
     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the tools applications of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 /*
       
    43   location.h
       
    44 */
       
    45 
       
    46 #ifndef LOCATION_H
       
    47 #define LOCATION_H
       
    48 
       
    49 #include <qstack.h>
       
    50 
       
    51 #include "tr.h"
       
    52 
       
    53 #define QDOC_QML
       
    54 
       
    55 QT_BEGIN_NAMESPACE
       
    56 
       
    57 class Config;
       
    58 class QRegExp;
       
    59 
       
    60 class Location
       
    61 {
       
    62  public:
       
    63     Location();
       
    64     Location(const QString& filePath);
       
    65     Location(const Location& other);
       
    66     ~Location() { delete stk; }
       
    67 
       
    68     Location& operator=(const Location& other);
       
    69 
       
    70     void start();
       
    71     void advance(QChar ch);
       
    72     void advanceLines(int n) { stkTop->lineNo += n; stkTop->columnNo = 1; }
       
    73 
       
    74     void push(const QString& filePath);
       
    75     void pop();
       
    76     void setEtc(bool etc) { etcetera = etc; }
       
    77     void setLineNo(int no) { stkTop->lineNo = no; }
       
    78     void setColumnNo(int no) { stkTop->columnNo = no; }
       
    79 
       
    80     bool isEmpty() const { return stkDepth == 0; }
       
    81     int depth() const { return stkDepth; }
       
    82     const QString& filePath() const { return stkTop->filePath; }
       
    83     QString fileName() const;
       
    84     int lineNo() const { return stkTop->lineNo; }
       
    85     int columnNo() const { return stkTop->columnNo; }
       
    86     bool etc() const { return etcetera; }
       
    87     void warning(const QString& message, 
       
    88                  const QString& details = QString()) const;
       
    89     void error(const QString& message, 
       
    90                const QString& details = QString()) const;
       
    91     void fatal(const QString& message, 
       
    92                const QString& details = QString()) const;
       
    93 
       
    94     QT_STATIC_CONST Location null;
       
    95 
       
    96     static void initialize(const Config& config);
       
    97     static void terminate();
       
    98     static void information(const QString& message);
       
    99     static void internalError(const QString& hint);
       
   100 
       
   101  private:
       
   102     enum MessageType { Warning, Error };
       
   103 
       
   104     struct StackEntry
       
   105     {
       
   106 	QString filePath;
       
   107 	int lineNo;
       
   108 	int columnNo;
       
   109     };
       
   110 
       
   111     void emitMessage(MessageType type, 
       
   112                      const QString& message,
       
   113                      const QString& details) const;
       
   114     QString toString() const;
       
   115     QString top() const;
       
   116 
       
   117  private:
       
   118     StackEntry stkBottom;
       
   119     QStack<StackEntry> *stk;
       
   120     StackEntry *stkTop;
       
   121     int stkDepth;
       
   122     bool etcetera;
       
   123 
       
   124     static int tabSize;
       
   125     static QString programName;
       
   126     static QRegExp *spuriousRegExp;
       
   127 };
       
   128 
       
   129 QT_END_NAMESPACE
       
   130 
       
   131 #endif