text/qsyntaxhighlighter.cpp

Switch to Source codePreprocessed file
LineSource CodeCoverage
1 -
2 -
3 -
4 -
5 -
6class QSyntaxHighlighterPrivate : public QObjectPrivate -
7{ -
8 inline QSyntaxHighlighter* q_func() { return static_cast<QSyntaxHighlighter *>(q_ptr); } inline const QSyntaxHighlighter* q_func() const { return static_cast<const QSyntaxHighlighter *>(q_ptr); } friend class QSyntaxHighlighter; -
9public: -
10 inline QSyntaxHighlighterPrivate() -
11 : rehighlightPending(false), inReformatBlocks(false) -
12 {}
executed: }
Execution Count:17
17
13 -
14 QPointer<QTextDocument> doc; -
15 -
16 void _q_reformatBlocks(int from, int charsRemoved, int charsAdded); -
17 void reformatBlocks(int from, int charsRemoved, int charsAdded); -
18 void reformatBlock(const QTextBlock &block); -
19 -
20 inline void rehighlight(QTextCursor &cursor, QTextCursor::MoveOperation operation) { -
21 inReformatBlocks = true; -
22 cursor.beginEditBlock(); -
23 int from = cursor.position(); -
24 cursor.movePosition(operation); -
25 reformatBlocks(from, 0, cursor.position() - from); -
26 cursor.endEditBlock(); -
27 inReformatBlocks = false; -
28 }
executed: }
Execution Count:5
5
29 -
30 inline void _q_delayedRehighlight() { -
31 if (!rehighlightPending)
evaluated: !rehighlightPending
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:2
1-2
32 return;
executed: return;
Execution Count:1
1
33 rehighlightPending = false; -
34 q_func()->rehighlight(); -
35 }
executed: }
Execution Count:2
2
36 -
37 void applyFormatChanges(); -
38 QVector<QTextCharFormat> formatChanges; -
39 QTextBlock currentBlock; -
40 bool rehighlightPending; -
41 bool inReformatBlocks; -
42}; -
43 -
44void QSyntaxHighlighterPrivate::applyFormatChanges() -
45{ -
46 bool formatsChanged = false; -
47 -
48 QTextLayout *layout = currentBlock.layout(); -
49 -
50 QList<QTextLayout::FormatRange> ranges = layout->additionalFormats(); -
51 -
52 const int preeditAreaStart = layout->preeditAreaPosition(); -
53 const int preeditAreaLength = layout->preeditAreaText().length(); -
54 -
55 if (preeditAreaLength != 0) {
evaluated: preeditAreaLength != 0
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:56
1-56
56 QList<QTextLayout::FormatRange>::Iterator it = ranges.begin(); -
57 while (it != ranges.end()) {
evaluated: it != ranges.end()
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:1
1
58 if (it->start >= preeditAreaStart
partially evaluated: it->start >= preeditAreaStart
TRUEFALSE
yes
Evaluation Count:1
no
Evaluation Count:0
0-1
59 && it->start + it->length <= preeditAreaStart + preeditAreaLength) {
partially evaluated: it->start + it->length <= preeditAreaStart + preeditAreaLength
TRUEFALSE
yes
Evaluation Count:1
no
Evaluation Count:0
0-1
60 ++it; -
61 } else {
executed: }
Execution Count:1
1
62 it = ranges.erase(it); -
63 formatsChanged = true; -
64 }
never executed: }
0
65 } -
66 } else if (!ranges.isEmpty()) {
partially evaluated: !ranges.isEmpty()
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:56
executed: }
Execution Count:1
0-56
67 ranges.clear(); -
68 formatsChanged = true; -
69 }
never executed: }
0
70 -
71 int i = 0; -
72 while (i < formatChanges.count()) {
evaluated: i < formatChanges.count()
TRUEFALSE
yes
Evaluation Count:50
yes
Evaluation Count:17
17-50
73 QTextLayout::FormatRange r; -
74 -
75 while (i < formatChanges.count() && formatChanges.at(i) == r.format)
evaluated: i < formatChanges.count()
TRUEFALSE
yes
Evaluation Count:245
yes
Evaluation Count:40
evaluated: formatChanges.at(i) == r.format
TRUEFALSE
yes
Evaluation Count:235
yes
Evaluation Count:10
10-245
76 ++i;
executed: ++i;
Execution Count:235
235
77 -
78 if (i == formatChanges.count())
evaluated: i == formatChanges.count()
TRUEFALSE
yes
Evaluation Count:40
yes
Evaluation Count:10
10-40
79 break;
executed: break;
Execution Count:40
40
80 -
81 r.start = i; -
82 r.format = formatChanges.at(i); -
83 -
84 while (i < formatChanges.count() && formatChanges.at(i) == r.format)
evaluated: i < formatChanges.count()
TRUEFALSE
yes
Evaluation Count:59
yes
Evaluation Count:2
evaluated: formatChanges.at(i) == r.format
TRUEFALSE
yes
Evaluation Count:51
yes
Evaluation Count:8
2-59
85 ++i;
executed: ++i;
Execution Count:51
51
86 -
87 qt_noop(); -
88 r.length = i - r.start; -
89 -
90 if (preeditAreaLength != 0) {
evaluated: preeditAreaLength != 0
TRUEFALSE
yes
Evaluation Count:2
yes
Evaluation Count:8
2-8
91 if (r.start >= preeditAreaStart)
evaluated: r.start >= preeditAreaStart
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:1
1
92 r.start += preeditAreaLength;
executed: r.start += preeditAreaLength;
Execution Count:1
1
93 else if (r.start + r.length >= preeditAreaStart)
partially evaluated: r.start + r.length >= preeditAreaStart
TRUEFALSE
yes
Evaluation Count:1
no
Evaluation Count:0
0-1
94 r.length += preeditAreaLength;
executed: r.length += preeditAreaLength;
Execution Count:1
1
95 } -
96 -
97 ranges << r; -
98 formatsChanged = true; -
99 }
executed: }
Execution Count:10
10
100 -
101 if (formatsChanged) {
evaluated: formatsChanged
TRUEFALSE
yes
Evaluation Count:6
yes
Evaluation Count:51
6-51
102 layout->setAdditionalFormats(ranges); -
103 doc->markContentsDirty(currentBlock.position(), currentBlock.length()); -
104 }
executed: }
Execution Count:6
6
105}
executed: }
Execution Count:57
57
106 -
107void QSyntaxHighlighterPrivate::_q_reformatBlocks(int from, int charsRemoved, int charsAdded) -
108{ -
109 if (!inReformatBlocks)
partially evaluated: !inReformatBlocks
TRUEFALSE
yes
Evaluation Count:29
no
Evaluation Count:0
0-29
110 reformatBlocks(from, charsRemoved, charsAdded);
executed: reformatBlocks(from, charsRemoved, charsAdded);
Execution Count:29
29
111}
executed: }
Execution Count:29
29
112 -
113void QSyntaxHighlighterPrivate::reformatBlocks(int from, int charsRemoved, int charsAdded) -
114{ -
115 rehighlightPending = false; -
116 -
117 QTextBlock block = doc->findBlock(from); -
118 if (!block.isValid())
partially evaluated: !block.isValid()
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:34
0-34
119 return;
never executed: return;
0
120 -
121 int endPosition; -
122 QTextBlock lastBlock = doc->findBlock(from + charsAdded + (charsRemoved > 0 ? 1 : 0)); -
123 if (lastBlock.isValid())
evaluated: lastBlock.isValid()
TRUEFALSE
yes
Evaluation Count:19
yes
Evaluation Count:15
15-19
124 endPosition = lastBlock.position() + lastBlock.length();
executed: endPosition = lastBlock.position() + lastBlock.length();
Execution Count:19
19
125 else -
126 endPosition = doc->docHandle()->length();
executed: endPosition = doc->docHandle()->length();
Execution Count:15
15
127 -
128 bool forceHighlightOfNextBlock = false; -
129 -
130 while (block.isValid() && (block.position() < endPosition || forceHighlightOfNextBlock)) {
evaluated: block.isValid()
TRUEFALSE
yes
Evaluation Count:60
yes
Evaluation Count:31
evaluated: block.position() < endPosition
TRUEFALSE
yes
Evaluation Count:55
yes
Evaluation Count:5
evaluated: forceHighlightOfNextBlock
TRUEFALSE
yes
Evaluation Count:2
yes
Evaluation Count:3
2-60
131 const int stateBeforeHighlight = block.userState(); -
132 -
133 reformatBlock(block); -
134 -
135 forceHighlightOfNextBlock = (block.userState() != stateBeforeHighlight); -
136 -
137 block = block.next(); -
138 }
executed: }
Execution Count:57
57
139 -
140 formatChanges.clear(); -
141}
executed: }
Execution Count:34
34
142 -
143void QSyntaxHighlighterPrivate::reformatBlock(const QTextBlock &block) -
144{ -
145 QSyntaxHighlighter * const q = q_func(); -
146 -
147 qt_noop(); -
148 -
149 currentBlock = block; -
150 -
151 formatChanges.fill(QTextCharFormat(), block.length() - 1); -
152 q->highlightBlock(block.text()); -
153 applyFormatChanges(); -
154 -
155 currentBlock = QTextBlock(); -
156}
executed: }
Execution Count:57
57
157QSyntaxHighlighter::QSyntaxHighlighter(QObject *parent) -
158 : QObject(*new QSyntaxHighlighterPrivate, parent) -
159{ -
160 if (parent->inherits("QTextEdit")) {
partially evaluated: parent->inherits("QTextEdit")
TRUEFALSE
yes
Evaluation Count:1
no
Evaluation Count:0
0-1
161 QTextDocument *doc = parent->property("document").value<QTextDocument *>(); -
162 if (doc)
partially evaluated: doc
TRUEFALSE
yes
Evaluation Count:1
no
Evaluation Count:0
0-1
163 setDocument(doc);
executed: setDocument(doc);
Execution Count:1
1
164 }
executed: }
Execution Count:1
1
165}
executed: }
Execution Count:1
1
166 -
167 -
168 -
169 -
170 -
171 -
172QSyntaxHighlighter::QSyntaxHighlighter(QTextDocument *parent) -
173 : QObject(*new QSyntaxHighlighterPrivate, parent) -
174{ -
175 setDocument(parent); -
176}
executed: }
Execution Count:16
16
177 -
178 -
179 -
180 -
181QSyntaxHighlighter::~QSyntaxHighlighter() -
182{ -
183 setDocument(0); -
184}
executed: }
Execution Count:17
17
185 -
186 -
187 -
188 -
189 -
190void QSyntaxHighlighter::setDocument(QTextDocument *doc) -
191{ -
192 QSyntaxHighlighterPrivate * const d = d_func(); -
193 if (d->doc) {
evaluated: d->doc
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:33
1-33
194 disconnect(d->doc, "2""contentsChange(int,int,int)", -
195 this, "1""_q_reformatBlocks(int,int,int)"); -
196 -
197 QTextCursor cursor(d->doc); -
198 cursor.beginEditBlock(); -
199 for (QTextBlock blk = d->doc->begin(); blk.isValid(); blk = blk.next())
evaluated: blk.isValid()
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:1
1
200 blk.layout()->clearAdditionalFormats();
executed: blk.layout()->clearAdditionalFormats();
Execution Count:1
1
201 cursor.endEditBlock(); -
202 }
executed: }
Execution Count:1
1
203 d->doc = doc; -
204 if (d->doc) {
evaluated: d->doc
TRUEFALSE
yes
Evaluation Count:17
yes
Evaluation Count:17
17
205 connect(d->doc, "2""contentsChange(int,int,int)", -
206 this, "1""_q_reformatBlocks(int,int,int)"); -
207 d->rehighlightPending = true; -
208 QTimer::singleShot(0, this, "1""_q_delayedRehighlight()"); -
209 }
executed: }
Execution Count:17
17
210}
executed: }
Execution Count:34
34
211 -
212 -
213 -
214 -
215 -
216QTextDocument *QSyntaxHighlighter::document() const -
217{ -
218 const QSyntaxHighlighterPrivate * const d = d_func(); -
219 return d->doc;
executed: return d->doc;
Execution Count:1
1
220} -
221void QSyntaxHighlighter::rehighlight() -
222{ -
223 QSyntaxHighlighterPrivate * const d = d_func(); -
224 if (!d->doc)
partially evaluated: !d->doc
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:3
0-3
225 return;
never executed: return;
0
226 -
227 QTextCursor cursor(d->doc); -
228 d->rehighlight(cursor, QTextCursor::End); -
229}
executed: }
Execution Count:3
3
230void QSyntaxHighlighter::rehighlightBlock(const QTextBlock &block) -
231{ -
232 QSyntaxHighlighterPrivate * const d = d_func(); -
233 if (!d->doc || !block.isValid() || block.document() != d->doc)
partially evaluated: !d->doc
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:2
partially evaluated: !block.isValid()
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:2
partially evaluated: block.document() != d->doc
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:2
0-2
234 return;
never executed: return;
0
235 -
236 const bool rehighlightPending = d->rehighlightPending; -
237 -
238 QTextCursor cursor(block); -
239 d->rehighlight(cursor, QTextCursor::EndOfBlock); -
240 -
241 if (rehighlightPending)
partially evaluated: rehighlightPending
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:2
0-2
242 d->rehighlightPending = rehighlightPending;
never executed: d->rehighlightPending = rehighlightPending;
0
243}
executed: }
Execution Count:2
2
244void QSyntaxHighlighter::setFormat(int start, int count, const QTextCharFormat &format) -
245{ -
246 QSyntaxHighlighterPrivate * const d = d_func(); -
247 if (start < 0 || start >= d->formatChanges.count())
partially evaluated: start < 0
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:16
evaluated: start >= d->formatChanges.count()
TRUEFALSE
yes
Evaluation Count:6
yes
Evaluation Count:10
0-16
248 return;
executed: return;
Execution Count:6
6
249 -
250 const int end = qMin(start + count, d->formatChanges.count()); -
251 for (int i = start; i < end; ++i)
evaluated: i < end
TRUEFALSE
yes
Evaluation Count:51
yes
Evaluation Count:10
10-51
252 d->formatChanges[i] = format;
executed: d->formatChanges[i] = format;
Execution Count:51
51
253}
executed: }
Execution Count:10
10
254void QSyntaxHighlighter::setFormat(int start, int count, const QColor &color) -
255{ -
256 QTextCharFormat format; -
257 format.setForeground(color); -
258 setFormat(start, count, format); -
259}
never executed: }
0
260void QSyntaxHighlighter::setFormat(int start, int count, const QFont &font) -
261{ -
262 QTextCharFormat format; -
263 format.setFont(font); -
264 setFormat(start, count, format); -
265}
never executed: }
0
266 -
267 -
268 -
269 -
270 -
271 -
272 -
273QTextCharFormat QSyntaxHighlighter::format(int pos) const -
274{ -
275 const QSyntaxHighlighterPrivate * const d = d_func(); -
276 if (pos < 0 || pos >= d->formatChanges.count())
never evaluated: pos >= d->formatChanges.count()
never evaluated: pos < 0
0
277 return QTextCharFormat();
never executed: return QTextCharFormat();
0
278 return d->formatChanges.at(pos);
never executed: return d->formatChanges.at(pos);
0
279} -
280int QSyntaxHighlighter::previousBlockState() const -
281{ -
282 const QSyntaxHighlighterPrivate * const d = d_func(); -
283 if (!d->currentBlock.isValid())
never evaluated: !d->currentBlock.isValid()
0
284 return -1;
never executed: return -1;
0
285 -
286 const QTextBlock previous = d->currentBlock.previous(); -
287 if (!previous.isValid())
never evaluated: !previous.isValid()
0
288 return -1;
never executed: return -1;
0
289 -
290 return previous.userState();
never executed: return previous.userState();
0
291} -
292 -
293 -
294 -
295 -
296 -
297int QSyntaxHighlighter::currentBlockState() const -
298{ -
299 const QSyntaxHighlighterPrivate * const d = d_func(); -
300 if (!d->currentBlock.isValid())
never evaluated: !d->currentBlock.isValid()
0
301 return -1;
never executed: return -1;
0
302 -
303 return d->currentBlock.userState();
never executed: return d->currentBlock.userState();
0
304} -
305 -
306 -
307 -
308 -
309 -
310 -
311void QSyntaxHighlighter::setCurrentBlockState(int newState) -
312{ -
313 QSyntaxHighlighterPrivate * const d = d_func(); -
314 if (!d->currentBlock.isValid())
partially evaluated: !d->currentBlock.isValid()
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:5
0-5
315 return;
never executed: return;
0
316 -
317 d->currentBlock.setUserState(newState); -
318}
executed: }
Execution Count:5
5
319void QSyntaxHighlighter::setCurrentBlockUserData(QTextBlockUserData *data) -
320{ -
321 QSyntaxHighlighterPrivate * const d = d_func(); -
322 if (!d->currentBlock.isValid())
never evaluated: !d->currentBlock.isValid()
0
323 return;
never executed: return;
0
324 -
325 d->currentBlock.setUserData(data); -
326}
never executed: }
0
327 -
328 -
329 -
330 -
331 -
332 -
333 -
334QTextBlockUserData *QSyntaxHighlighter::currentBlockUserData() const -
335{ -
336 const QSyntaxHighlighterPrivate * const d = d_func(); -
337 if (!d->currentBlock.isValid())
never evaluated: !d->currentBlock.isValid()
0
338 return 0;
never executed: return 0;
0
339 -
340 return d->currentBlock.userData();
never executed: return d->currentBlock.userData();
0
341} -
342 -
343 -
344 -
345 -
346 -
347 -
348QTextBlock QSyntaxHighlighter::currentBlock() const -
349{ -
350 const QSyntaxHighlighterPrivate * const d = d_func(); -
351 return d->currentBlock;
never executed: return d->currentBlock;
0
352} -
353 -
354 -
355 -
356 -
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