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work on substitution command in fakevim

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This commit is contained in:
Fred Emmott
2009-04-11 08:52:03 +01:00
committed by hjk
parent 07f1aafa38
commit b95af44c0d
1 changed files with 42 additions and 0 deletions
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42
src/plugins/fakevim/fakevimhandler.cpp
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@@ -1701,6 +1701,7 @@ void FakeVimHandler::Private::handleExCommand(const QString &cmd0)
static QRegExp reNormal("^norm(al)?( (.*))?$");
static QRegExp reSet("^set?( (.*))?$");
static QRegExp reWrite("^w!?( (.*))?$");
static QRegExp reSubstitute("^s(.)(.*)\\1(.*)\\1([gi]*)");
if (cmd.isEmpty()) {
setPosition(firstPositionInLine(beginLine));
@@ -1805,6 +1806,47 @@ void FakeVimHandler::Private::handleExCommand(const QString &cmd0)
enterCommandMode();
//qDebug() << "REPLAY: " << reNormal.cap(3);
replay(reNormal.cap(3), 1);
} else if (reSubstitute.indexIn(cmd) != -1) { // :substitute
QString needle = reSubstitute.cap(2);
const QString replacement = reSubstitute.cap(3);
QString flags = reSubstitute.cap(4);
const bool startOfLineOnly = needle.startsWith('^');
if (startOfLineOnly)
needle.remove(0, 1);
needle.replace('$', '\n');
needle.replace("\\\n", "\\$");
QRegExp pattern(needle);
if (flags.contains('i'))
pattern.setCaseSensitivity(Qt::CaseInsensitive);
const bool global = flags.contains('g');
m_tc.beginEditBlock();
for (int line = beginLine; line <= endLine; ++line) {
const int start = firstPositionInLine(line);
const int end = lastPositionInLine(line);
for (int position = start; position <= end && position >= start; ) {
position = pattern.indexIn(m_tc.document()->toPlainText(), position);
if (startOfLineOnly && position != start)
break;
if (position != -1) {
m_tc.setPosition(position);
m_tc.movePosition(QTextCursor::NextCharacter,
QTextCursor::KeepAnchor, pattern.matchedLength());
QString text = m_tc.selectedText();
if (text.endsWith(ParagraphSeparator)) {
text = replacement + "\n";
} else {
text.replace(ParagraphSeparator, "\n");
text.replace(pattern, replacement);
}
m_tc.removeSelectedText();
m_tc.insertText(text);
}
if (!global)
break;
}
}
m_tc.endEditBlock();
enterCommandMode();
} else if (reSet.indexIn(cmd) != -1) { // :set
showBlackMessage(QString());
QString arg = reSet.cap(2);