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fakevim: implement '&'

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Change-Id: I64f214d27306733a2840036816366d7a204cbc89
Reviewed-by: hjk <qthjk@ovi.com>
This commit is contained in:
hjk
2011-11-28 17:59:30 +01:00
committed by hjk
parent d23e5f38b8
commit c00cbcf574
1 changed files with 110 additions and 65 deletions
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175
src/plugins/fakevim/fakevimhandler.cpp
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@@ -1030,6 +1030,9 @@ public:
QList<QTextEdit::ExtraSelection> m_searchSelections;
QTextCursor m_searchCursor;
QString m_oldNeedle;
QString m_lastSubstituteFlags;
QRegExp m_lastSubstitutePattern;
QString m_lastSubstituteReplacement;
bool handleExCommandHelper(const ExCommand &cmd); // Returns success.
bool handleExPluginCommand(const ExCommand &cmd); // Handled by plugin?
@@ -2062,6 +2065,8 @@ EventResult FakeVimHandler::Private::handleCommandMode1(const Input &input)
handleFfTt(m_semicolonKey);
m_subsubmode = NoSubSubMode;
finishMovement();
} else if (input.is('&')) {
handleExCommand(m_gflag ? "%s//~/&" : "s");
} else if (input.is(':')) {
enterExMode();
g.commandHistory.restart();
@@ -3267,84 +3272,124 @@ void FakeVimHandler::Private::handleCommand(const QString &cmd)
bool FakeVimHandler::Private::handleExSubstituteCommand(const ExCommand &cmd)
// :substitute
{
QString line = cmd.cmd + ' ' + cmd.args;
line = line.trimmed();
if (line.startsWith(_("substitute")))
line = line.mid(10);
else if (line.startsWith('s') && line.size() > 1
&& !isalpha(line.at(1).unicode()))
line = line.mid(1);
else
return false;
QString flags;
QRegExp pattern;
QString replacement;
int count = 0;
// we have /{pattern}/{string}/[flags] now
if (line.isEmpty())
return false;
const QChar separator = line.at(0);
int pos1 = -1;
int pos2 = -1;
int i;
for (i = 1; i < line.size(); ++i) {
if (line.at(i) == separator && line.at(i - 1) != '\\') {
pos1 = i;
break;
if (cmd.cmd.startsWith("&&")) {
flags = cmd.cmd.mid(2);
if (flags.isEmpty())
flags = m_lastSubstituteFlags;
pattern = m_lastSubstitutePattern;
replacement = m_lastSubstituteReplacement;
count = cmd.args.section(QLatin1Char(' '), 1, 1).toInt();
} else if (cmd.cmd.startsWith("&")) {
flags = cmd.cmd.mid(1);
if (flags.isEmpty())
flags = m_lastSubstituteFlags;
pattern = m_lastSubstitutePattern;
replacement = m_lastSubstituteReplacement;
count = cmd.args.section(QLatin1Char(' '), 1, 1).toInt();
} else if (cmd.matches("s", "substitute")) {
flags = m_lastSubstituteFlags;
if (flags.isEmpty())
flags = m_lastSubstituteFlags;
pattern = m_lastSubstitutePattern;
replacement = m_lastSubstituteReplacement;
count = cmd.args.section(QLatin1Char(' '), 2, 2).toInt();
} else {
QString line = cmd.cmd + ' ' + cmd.args;
line = line.trimmed();
if (line.startsWith(_("substitute")))
line = line.mid(10);
else if (line.startsWith('s') && line.size() > 1
&& !isalpha(line.at(1).unicode()))
line = line.mid(1);
else
return false;
// we have /{pattern}/{string}/[flags] now
if (line.isEmpty())
return false;
const QChar separator = line.at(0);
int pos1 = -1;
int pos2 = -1;
int i;
for (i = 1; i < line.size(); ++i) {
if (line.at(i) == separator && line.at(i - 1) != '\\') {
pos1 = i;
break;
}
}
}
if (pos1 == -1)
return false;
for (++i; i < line.size(); ++i) {
if (line.at(i) == separator && line.at(i - 1) != '\\') {
pos2 = i;
break;
if (pos1 == -1)
return false;
for (++i; i < line.size(); ++i) {
if (line.at(i) == separator && line.at(i - 1) != '\\') {
pos2 = i;
break;
}
}
if (pos2 == -1)
pos2 = line.size();
QString needle = line.mid(1, pos1 - 1);
replacement = line.mid(pos1 + 1, pos2 - pos1 - 1);
flags = line.mid(pos2 + 1);
needle.replace('$', '\n');
needle.replace("\\\n", "\\$");
pattern.setPattern(needle);
m_lastSubstituteFlags = flags;
m_lastSubstitutePattern = pattern;
m_lastSubstituteReplacement = replacement;
}
if (pos2 == -1)
pos2 = line.size();
QString needle = line.mid(1, pos1 - 1);
const QString replacement = line.mid(pos1 + 1, pos2 - pos1 - 1);
QString flags = line.mid(pos2 + 1);
if (count == 0)
count = 1;
needle.replace('$', '\n');
needle.replace("\\\n", "\\$");
QRegExp pattern(needle);
if (flags.contains('i'))
pattern.setCaseSensitivity(Qt::CaseInsensitive);
const bool global = flags.contains('g');
const Range range = cmd.range.endPos == 0 ? rangeFromCurrentLine() : cmd.range;
const int beginLine = lineForPosition(range.beginPos);
const int endLine = lineForPosition(range.endPos);
beginEditBlock();
for (int line = endLine; line >= beginLine; --line) {
QString origText = lineContents(line);
QString text = origText;
int pos = 0;
while (true) {
pos = pattern.indexIn(text, pos, QRegExp::CaretAtZero);
if (pos == -1)
break;
if (pattern.cap(0).isEmpty())
break;
QStringList caps = pattern.capturedTexts();
QString matched = text.mid(pos, caps.at(0).size());
QString repl = replacement;
for (int i = 1; i < caps.size(); ++i)
repl.replace("\\" + QString::number(i), caps.at(i));
for (int i = 0; i < repl.size(); ++i) {
if (repl.at(i) == '&' && (i == 0 || repl.at(i - 1) != '\\')) {
repl.replace(i, 1, caps.at(0));
i += caps.at(0).size();
const bool global = flags.contains('g');
for (int a = 0; a != count; ++a) {
const Range range = cmd.range.endPos == 0 ? rangeFromCurrentLine() : cmd.range;
const int beginLine = lineForPosition(range.beginPos);
const int endLine = lineForPosition(range.endPos);
for (int line = endLine; line >= beginLine; --line) {
QString origText = lineContents(line);
QString text = origText;
int pos = 0;
while (true) {
pos = pattern.indexIn(text, pos, QRegExp::CaretAtZero);
if (pos == -1)
break;
if (pattern.cap(0).isEmpty())
break;
QStringList caps = pattern.capturedTexts();
QString matched = text.mid(pos, caps.at(0).size());
QString repl = replacement;
for (int i = 1; i < caps.size(); ++i)
repl.replace("\\" + QString::number(i), caps.at(i));
for (int i = 0; i < repl.size(); ++i) {
if (repl.at(i) == '&' && (i == 0 || repl.at(i - 1) != '\\')) {
repl.replace(i, 1, caps.at(0));
i += caps.at(0).size();
}
}
repl.replace("\\&", "&");
text = text.left(pos) + repl + text.mid(pos + matched.size());
pos += repl.size();
if (!global)
break;
}
repl.replace("\\&", "&");
text = text.left(pos) + repl + text.mid(pos + matched.size());
pos += repl.size();
if (!global)
break;
if (text != origText)
setLineContents(line, text);
}
if (text != origText)
setLineContents(line, text);
}
moveToStartOfLine();
setTargetColumn();
endEditBlock();
return true;
}