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fakevim: consolidate transformation related code

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This commit is contained in:
hjk
2010-05-06 15:20:30 +02:00
parent d110043cff
commit b4260c9a18
1 changed files with 59 additions and 75 deletions
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134
src/plugins/fakevim/fakevimhandler.cpp
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@@ -636,25 +636,34 @@ public:
int anchor() const { return m_anchor; }
int position() const { return m_tc.position(); }
typedef void (FakeVimHandler::Private::*Transformation)(int, QTextCursor *);
void transformText(const Range &range, Transformation transformation);
struct TransformationData
{
TransformationData(const QString &s, const QVariant &d)
: from(s), extraData(d) {}
QString from;
QString to;
QVariant extraData;
};
typedef void (Private::*Transformation)(TransformationData *td);
void transformText(const Range &range, Transformation transformation,
const QVariant &extraData = QVariant());
void removeSelectedText();
void removeText(const Range &range);
void removeTransform(int, QTextCursor *);
void removeTransform(TransformationData *td);
void invertCaseSelectedText();
void invertCaseTransform(int, QTextCursor *);
void invertCaseTransform(TransformationData *td);
void upCaseSelectedText();
void upCaseTransform(int, QTextCursor *);
void upCaseTransform(TransformationData *td);
void downCaseSelectedText();
void downCaseTransform(int, QTextCursor *);
void downCaseTransform(TransformationData *td);
QString m_replacement;
void replaceSelectedText(); // replace each character with m_replacement
void replaceTransform(int, QTextCursor *);
void replaceTransform(TransformationData *td);
QString selectedText() const { return text(Range(position(), anchor())); }
QString text(const Range &range) const;
@@ -1492,10 +1501,10 @@ EventResult FakeVimHandler::Private::handleCommandSubSubMode(const Input &input)
m_replacement = input.text();
finishMovement();
} else {
Range range(position(), position() + count());
range.rangemode = RangeCharMode;
Range range(position(), position() + count(), RangeCharMode);
m_replacement = input.text();
transformText(range, &FakeVimHandler::Private::replaceTransform);
Transformation tr = &FakeVimHandler::Private::replaceTransform;
transformText(range, tr);
m_subsubmode = NoSubSubMode;
m_submode = NoSubMode;
setDotCommand("%1r" + input.text(), count());
@@ -2490,8 +2499,7 @@ EventResult FakeVimHandler::Private::handleInsertMode(const Input &input)
const QString leftText = m_tc.block().text()
.left(m_tc.position() - 1 - m_tc.block().position());
if (leftText.simplified().isEmpty()) {
Range range(position(), position());
range.rangemode = m_rangemode;
Range range(position(), position(), m_rangemode);
indentText(range, text.at(0));
}
}
@@ -3357,8 +3365,7 @@ void FakeVimHandler::Private::indentSelectedText(QChar typedChar)
int beginLine = qMin(lineForPosition(position()), lineForPosition(anchor()));
int endLine = qMax(lineForPosition(position()), lineForPosition(anchor()));
Range range(anchor(), position());
range.rangemode = m_rangemode;
Range range(anchor(), position(), m_rangemode);
indentText(range, typedChar);
setPosition(firstPositionInLine(beginLine));
@@ -3800,8 +3807,7 @@ QString FakeVimHandler::Private::text(const Range &range) const
void FakeVimHandler::Private::yankSelectedText()
{
Range range(anchor(), position());
range.rangemode = m_rangemode;
Range range(anchor(), position(), m_rangemode);
yankText(range, m_register);
}
@@ -3814,14 +3820,18 @@ void FakeVimHandler::Private::yankText(const Range &range, int toregister)
}
void FakeVimHandler::Private::transformText(const Range &range,
Transformation transformFunc)
Transformation transformFunc, const QVariant &extra)
{
QTextCursor tc = m_tc;
switch (range.rangemode) {
case RangeCharMode: {
tc.setPosition(range.beginPos, MoveAnchor);
tc.setPosition(range.endPos, KeepAnchor);
(this->*transformFunc)(range.beginPos, &tc);
TransformationData td(tc.selectedText(), extra);
(this->*transformFunc)(&td);
tc.removeSelectedText();
fixMarks(range.beginPos, td.to.size() - td.from.size());
tc.insertText(td.to);
return;
}
case RangeLineMode:
@@ -3847,7 +3857,11 @@ void FakeVimHandler::Private::transformText(const Range &range,
tc.movePosition(Right, KeepAnchor, 1);
}
}
(this->*transformFunc)(range.beginPos, &tc);
TransformationData td(tc.selectedText(), extra);
(this->*transformFunc)(&td);
tc.removeSelectedText();
fixMarks(range.beginPos, td.to.size() - td.from.size());
tc.insertText(td.to);
return;
}
case RangeBlockAndTailMode:
@@ -3867,7 +3881,11 @@ void FakeVimHandler::Private::transformText(const Range &range,
int eCol = qMin(endColumn + 1, block.length() - 1);
tc.setPosition(block.position() + bCol, MoveAnchor);
tc.setPosition(block.position() + eCol, KeepAnchor);
(this->*transformFunc)(block.position() + bCol, &tc);
TransformationData td(tc.selectedText(), extra);
(this->*transformFunc)(&td);
tc.removeSelectedText();
fixMarks(block.position() + bCol, td.to.size() - td.from.size());
tc.insertText(td.to);
block = block.previous();
}
endEditBlock();
@@ -3877,8 +3895,7 @@ void FakeVimHandler::Private::transformText(const Range &range,
void FakeVimHandler::Private::removeSelectedText()
{
Range range(anchor(), position());
range.rangemode = m_rangemode;
Range range(anchor(), position(), m_rangemode);
removeText(range);
}
@@ -3887,92 +3904,60 @@ void FakeVimHandler::Private::removeText(const Range &range)
transformText(range, &FakeVimHandler::Private::removeTransform);
}
void FakeVimHandler::Private::removeTransform(int updateMarksAfter, QTextCursor *tc)
void FakeVimHandler::Private::removeTransform(TransformationData *td)
{
fixMarks(updateMarksAfter, tc->selectionStart() - tc->selectionEnd());
tc->removeSelectedText();
Q_UNUSED(td);
}
void FakeVimHandler::Private::downCaseSelectedText()
{
Range range(anchor(), position());
range.rangemode = m_rangemode;
Range range(anchor(), position(), m_rangemode);
transformText(range, &FakeVimHandler::Private::downCaseTransform);
}
void FakeVimHandler::Private::downCaseTransform(int updateMarksAfter, QTextCursor *tc)
void FakeVimHandler::Private::downCaseTransform(TransformationData *td)
{
Q_UNUSED(updateMarksAfter);
QString str = tc->selectedText();
tc->removeSelectedText();
for (int i = str.size(); --i >= 0; ) {
QChar c = str.at(i);
str[i] = c.toLower();
}
tc->insertText(str);
td->to = td->from.toLower();
}
void FakeVimHandler::Private::upCaseSelectedText()
{
Range range(anchor(), position());
range.rangemode = m_rangemode;
Range range(anchor(), position(), m_rangemode);
transformText(range, &FakeVimHandler::Private::upCaseTransform);
}
void FakeVimHandler::Private::upCaseTransform(int updateMarksAfter, QTextCursor *tc)
void FakeVimHandler::Private::upCaseTransform(TransformationData *td)
{
Q_UNUSED(updateMarksAfter);
QString str = tc->selectedText();
tc->removeSelectedText();
for (int i = str.size(); --i >= 0; ) {
QChar c = str.at(i);
str[i] = c.toUpper();
}
tc->insertText(str);
td->to = td->from.toUpper();
}
void FakeVimHandler::Private::invertCaseSelectedText()
{
Range range(anchor(), position());
range.rangemode = m_rangemode;
transformText(range, &FakeVimHandler::Private::invertCaseTransform);
Range range(anchor(), position(), m_rangemode);
transformText(range, &FakeVimHandler::Private::invertCaseTransform, QVariant());
}
void FakeVimHandler::Private::invertCaseTransform(int updateMarksAfter, QTextCursor *tc)
void FakeVimHandler::Private::invertCaseTransform(TransformationData *td)
{
Q_UNUSED(updateMarksAfter);
QString str = tc->selectedText();
tc->removeSelectedText();
for (int i = str.size(); --i >= 0; ) {
QChar c = str.at(i);
str[i] = c.isUpper() ? c.toLower() : c.toUpper();
}
tc->insertText(str);
foreach (QChar c, td->from)
td->to += c.isUpper() ? c.toLower() : c.toUpper();
}
void FakeVimHandler::Private::replaceSelectedText()
{
Range range(anchor(), position());
range.rangemode = m_rangemode;
transformText(range, &FakeVimHandler::Private::replaceTransform);
Range range(anchor(), position(), m_rangemode);
transformText(range, &FakeVimHandler::Private::replaceTransform, QVariant());
}
void FakeVimHandler::Private::replaceTransform(int updateMarksAfter, QTextCursor *tc)
void FakeVimHandler::Private::replaceTransform(TransformationData *td)
{
beginEditBlock();
Q_UNUSED(updateMarksAfter);
QString str = tc->selectedText();
tc->removeSelectedText();
QString s;
for (int i = str.size(); --i >= 0; ) {
QChar c = str.at(i);
for (int i = td->from.size(); --i >= 0; ) {
QChar c = td->from.at(i);
if (c.unicode() == '\n' || c.unicode() == '\0')
s += QLatin1Char('\n');
td->to += QLatin1Char('\n');
else
s += m_replacement;
td->to += m_replacement;
}
tc->insertText(s);
endEditBlock();
}
void FakeVimHandler::Private::pasteText(bool afterCursor)
@@ -4308,7 +4293,6 @@ void FakeVimHandler::Private::replay(const QString &command, int n)
g.inReplay = false;
}
void FakeVimHandler::Private::selectWordTextObject(bool inner)
{
Q_UNUSED(inner); // FIXME