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    41 

    42 #ifndef TEXTREPLACEMENT_H

    43 #define TEXTREPLACEMENT_H

    44 

    45 #include <QByteArray>

    46 #include <QList>

    47 #include <QtAlgorithms>

    48 

    49 QT_BEGIN_NAMESPACE

    50 

    51 class TextReplacement

    52 {

    53 public:

    54     QByteArray newText;

    55     int insertPosition;

    56     int currentLenght;    //lenght of the text that is going to be replaced.

    57     bool operator<(const TextReplacement &other) const

    58     {

    59         return  (insertPosition < other.insertPosition);

    60     }

    61 };

    62 

    63 class TextReplacements

    64 {

    65 public:

    66     /*

    67         creates a TextReplacement that inserts newText at insertPosition. currentLength bytes

    68         are overwritten in the original text. If there already is an insert at insertPosition,

    69         the insert will not be performed.

    70 

    71         insert maintains the TextReplacement list in sorted order.

    72 

    73         Returns true if the insert was successfull, false otherwise;

    74     */

    75     bool insert(QByteArray newText, int insertPosition, int currentLenght);

    76     void clear();

    77     QList<TextReplacement> replacements() const

    78     {

    79         return textReplacementList;

    80     }

    81     QByteArray apply(QByteArray current);

    82 

    83     TextReplacements &operator+=(const TextReplacements &other);

    84 

    85 private:

    86     QList<TextReplacement> textReplacementList;

    87 };

    88 

    89 QT_END_NAMESPACE

    90 

    91 #endif