cutter/src/utils/Highlighter.cpp
2018-03-21 21:33:40 +01:00

75 lines
2.3 KiB
C++

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