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41 
42 #ifndef Q3SYNTAXHIGHLIGHTER_P_H
43 #define Q3SYNTAXHIGHLIGHTER_P_H
44 
45 //
46 //  W A R N I N G
47 //  -------------
48 //
49 // This file is not part of the Qt API.  It exists purely as an
50 // implementation detail.  This header file may change from version to
51 // version without notice, or even be removed.
52 //
53 // We mean it.
54 //
55 
56 #ifndef QT_NO_SYNTAXHIGHLIGHTER
57 #include "q3syntaxhighlighter.h"
58 #include "private/q3richtext_p.h"
59 
60 QT_BEGIN_NAMESPACE
61 
62 class Q3SyntaxHighlighterPrivate
63 {
64 public:
Q3SyntaxHighlighterPrivate()65     Q3SyntaxHighlighterPrivate() :
66         currentParagraph(-1)
67         {}
68 
69     int currentParagraph;
70 };
71 
72 class Q3SyntaxHighlighterInternal : public Q3TextPreProcessor
73 {
74 public:
Q3SyntaxHighlighterInternal(Q3SyntaxHighlighter * h)75     Q3SyntaxHighlighterInternal(Q3SyntaxHighlighter *h) : highlighter(h) {}
process(Q3TextDocument * doc,Q3TextParagraph * p,int,bool invalidate)76     void process(Q3TextDocument *doc, Q3TextParagraph *p, int, bool invalidate) {
77         if (p->prev() && p->prev()->endState() == -1)
78             process(doc, p->prev(), 0, false);
79 
80         highlighter->para = p;
81         QString text = p->string()->toString();
82         int endState = p->prev() ? p->prev()->endState() : -2;
83         int oldEndState = p->endState();
84         highlighter->d->currentParagraph = p->paragId();
85         p->setEndState(highlighter->highlightParagraph(text, endState));
86         highlighter->d->currentParagraph = -1;
87         highlighter->para = 0;
88 
89         p->setFirstPreProcess(false);
90         Q3TextParagraph *op = p;
91         p = p->next();
92         if ((!!oldEndState || !!op->endState()) && oldEndState != op->endState() &&
93              invalidate && p && !p->firstPreProcess() && p->endState() != -1) {
94             while (p) {
95                 if (p->endState() == -1)
96                     return;
97                 p->setEndState(-1);
98                 p = p->next();
99             }
100         }
101     }
format(int)102     Q3TextFormat *format(int) { return 0; }
103 
104 private:
105     Q3SyntaxHighlighter *highlighter;
106 
107     friend class Q3TextEdit;
108 };
109 
110 #endif // QT_NO_SYNTAXHIGHLIGHTER
111 
112 QT_END_NAMESPACE
113 
114 #endif // Q3SYNTAXHIGHLIGHTER_P_H
115