void SyntaxHighlighter::highlightBlock(const QString& text)
{
for (auto r : rules)
{
auto iter = r.first.globalMatch(text);
while (iter.hasNext())
{
auto match = iter.next();
auto index = match.lastCapturedIndex();
setFormat(match.capturedStart(index),
match.capturedLength(index),
r.second);
}
}
}
/**
* @brief prepend the match string with specify symbol
* @param input string need to prepend symbol
* @param number_length the length of the number, will prepend symbol
* if the length smaller than this number
* @param symbol symbol prepand before the number
* @return the name after alter
* @example ex : number_length == 3, reg = (\\d+), symbol = '0'
* then "1" == "001", "10" == "010"
* ex : number_length == 2, reg = (\\d+), symbol = '0'
* then "1" == "01", "10" == "10"
*/
QString prepend_symbol_on_match(QString const &input, int number_length,
QRegularExpression const ®,
QChar symbol)
{
auto new_file_name = input;
auto match = reg.match(new_file_name);
if(match.hasMatch()){
auto const Captured = match.captured(0);
if(Captured.size() < number_length){
new_file_name.insert(match.capturedStart(0),
QString(number_length - match.capturedLength(1),
symbol));
}
}
return new_file_name;
}
void ItemSourceHighlighter::highlightBlock(const QString& text)
{
//
// Apply matching highlighting rules.
//
for (const auto& rule : rules_)
{
for (const auto& expression : rule.expressions)
{
auto matches = expression.globalMatch(text);
while (matches.hasNext() == true)
{
auto match = matches.next();
setFormat(match.capturedStart(1), match.capturedLength(1), rule.format);
}
}
}
}
const QString clearHTMLTags(const QString &text)
{
const QRegularExpression regex("<(\\w+)[^>]*>([^<]*)</\\1>");
QString ret = text;
do
{
const auto match = regex.match(ret);
if (!match.isValid() || !match.hasMatch())
break;
const int start = match.capturedStart();
const int len = match.capturedLength();
const QString &cap = match.captured(2);
ret.replace(start, len, cap);
} while (true);
return ret;
}
