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75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
#include "Highlighter.h"
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#include "MainWindow.h"
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#include <QtGui>
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Highlighter::Highlighter(QTextDocument *parent) :
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QSyntaxHighlighter(parent)
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{
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HighlightingRule rule;
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core = Core();
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keywordFormat.setForeground(QColor(65, 131, 215));
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keywordFormat.setFontWeight(QFont::Bold);
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for (const QString &pattern : this->core->opcodes) {
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rule.pattern = QRegExp("\\b" + pattern + "\\b");
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rule.pattern.setCaseSensitivity(Qt::CaseInsensitive);
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rule.format = keywordFormat;
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highlightingRules.append(rule);
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}
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regFormat.setForeground(QColor(236, 100, 75));
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regFormat.setFontWeight(QFont::Bold);
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for (const QString &pattern : this->core->regs) {
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rule.pattern = QRegExp("\\b" + pattern + "\\b");
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rule.pattern.setCaseSensitivity(Qt::CaseInsensitive);
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rule.format = regFormat;
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highlightingRules.append(rule);
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}
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singleLineCommentFormat.setFontWeight(QFont::Bold);
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singleLineCommentFormat.setForeground(QColor(63, 195, 128));
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rule.pattern = QRegExp(";[^\n]*");
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rule.format = singleLineCommentFormat;
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highlightingRules.append(rule);
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commentStartExpression = QRegExp("/\\*");
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commentEndExpression = QRegExp("\\*/");
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}
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void Highlighter::highlightBlock(const QString &text)
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{
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for (const HighlightingRule &rule : highlightingRules) {
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QRegExp expression(rule.pattern);
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int index = expression.indexIn(text);
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while (index >= 0) {
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int length = expression.matchedLength();
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setFormat(index, length, rule.format);
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index = expression.indexIn(text, index + length);
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}
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}
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setCurrentBlockState(0);
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int startIndex = 0;
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if (previousBlockState() != 1)
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startIndex = commentStartExpression.indexIn(text);
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while (startIndex >= 0) {
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int endIndex = commentEndExpression.indexIn(text, startIndex);
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int commentLength;
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if (endIndex == -1) {
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setCurrentBlockState(1);
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commentLength = text.length() - startIndex;
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} else {
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commentLength = endIndex - startIndex
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+ commentEndExpression.matchedLength();
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}
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setFormat(startIndex, commentLength, multiLineCommentFormat);
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startIndex = commentStartExpression.indexIn(text, startIndex + commentLength);
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}
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}
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