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41 #include "xmlsyntaxhighlighter.h"
43 XmlSyntaxHighlighter::XmlSyntaxHighlighter(QTextDocument *parent)
44 : QSyntaxHighlighter(parent)
46 HighlightingRule rule;
49 tagFormat.setForeground(Qt::darkBlue);
50 tagFormat.setFontWeight(QFont::Bold);
51 rule.pattern = QRegExp("(<[a-zA-Z:]+\\b|<\\?[a-zA-Z:]+\\b|\\?>|>|/>|</[a-zA-Z:]+>)");
52 rule.format = tagFormat;
53 highlightingRules.append(rule);
56 attributeFormat.setForeground(Qt::darkGreen);
57 rule.pattern = QRegExp("[a-zA-Z:]+=");
58 rule.format = attributeFormat;
59 highlightingRules.append(rule);
61 // attribute content format
62 attributeContentFormat.setForeground(Qt::red);
63 rule.pattern = QRegExp("(\"[^\"]*\"|'[^']*')");
64 rule.format = attributeContentFormat;
65 highlightingRules.append(rule);
67 commentFormat.setForeground(Qt::lightGray);
68 commentFormat.setFontItalic(true);
70 commentStartExpression = QRegExp("<!--");
71 commentEndExpression = QRegExp("-->");
74 void XmlSyntaxHighlighter::highlightBlock(const QString &text)
76 foreach (const HighlightingRule &rule, highlightingRules) {
77 QRegExp expression(rule.pattern);
78 int index = text.indexOf(expression);
80 int length = expression.matchedLength();
81 setFormat(index, length, rule.format);
82 index = text.indexOf(expression, index + length);
85 setCurrentBlockState(0);
88 if (previousBlockState() != 1)
89 startIndex = text.indexOf(commentStartExpression);
91 while (startIndex >= 0) {
92 int endIndex = text.indexOf(commentEndExpression, startIndex);
95 setCurrentBlockState(1);
96 commentLength = text.length() - startIndex;
98 commentLength = endIndex - startIndex
99 + commentEndExpression.matchedLength();
101 setFormat(startIndex, commentLength, commentFormat);
102 startIndex = text.indexOf(commentStartExpression,
103 startIndex + commentLength);