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Improve keyval highlighter

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This commit is contained in:
Juergen Spitzmueller 2023-07-18 17:05:56 +02:00
parent c549a2b59c
commit 9e308ddb03
1 changed files with 16 additions and 10 deletions
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26
src/frontends/qt/LaTeXHighlighter.cpp
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@ -44,25 +44,31 @@ LaTeXHighlighter::LaTeXHighlighter(QTextDocument * parent, bool at_letter, bool
}
void LaTeXHighlighter::highlightBlock(QString const & text_in)
void LaTeXHighlighter::highlightBlock(QString const & text)
{
QString const text = (optsnippet_) ? '[' + text_in + ']' : text_in;
// keyval
if (keyval_) {
// Highlight key-val options. Used in some option widgets.
static const QRegularExpression exprKeyvalkey("[^=,]+");
static const QRegularExpression exprKeyvalval("[^,]+");
static QRegularExpression exprKeyvalkey("[^=,]+");
static QRegularExpression exprKeyvalval("[^,]+");
if (optsnippet_) {
static QRegularExpression exprKeyvalkey("^=,+");
static QRegularExpression exprKeyvalval("^,+");
}
QRegularExpressionMatch matchkey = exprKeyvalkey.match(text);
int kvindex = matchkey.capturedStart(0);
while (kvindex >= 0) {
int length = matchkey.capturedLength(0);
setFormat(kvindex, length, keyFormat);
QRegularExpressionMatch matchval =
exprKeyvalval.match(text, kvindex + length);
int kvvindex = matchval.capturedStart(0);
if (kvvindex > 0) {
length += matchval.capturedLength(0);
setFormat(kvvindex, length, valFormat);
if (text.size() > kvindex + length && text.at(kvindex + length) == '=') {
QRegularExpressionMatch matchval =
exprKeyvalval.match(text, kvindex + length);
int kvvindex = matchval.capturedStart(0);
if (kvvindex > 0) {
int vlength = matchval.capturedLength(0);
length += vlength;
setFormat(kvvindex, vlength, valFormat);
}
}
matchkey = exprKeyvalkey.match(text, kvindex + length);
kvindex = matchkey.capturedStart(0);