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Make flip in ChangeSet move two different-length strings around.

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Instead of just flipping same-length strings.
Also fix an incorrect replace position adjustment.
This commit is contained in:
Christian Kamm
2009-11-26 14:42:19 +01:00
parent 36913baf94
commit 746bea8e1e
3 changed files with 61 additions and 44 deletions
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56
src/libs/utils/changeset.cpp
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@@ -70,12 +70,12 @@ bool ChangeSet::hasOverlap(int pos, int length)
switch (cmd.type) {
case EditOp::Replace:
if (overlaps(pos, length, cmd.pos1, cmd.length))
if (overlaps(pos, length, cmd.pos1, cmd.length1))
return true;
break;
case EditOp::Move:
if (overlaps(pos, length, cmd.pos1, cmd.length))
if (overlaps(pos, length, cmd.pos1, cmd.length1))
return true;
if (cmd.pos2 > pos && cmd.pos2 < pos + length)
return true;
@@ -87,19 +87,19 @@ bool ChangeSet::hasOverlap(int pos, int length)
break;
case EditOp::Remove:
if (overlaps(pos, length, cmd.pos1, cmd.length))
if (overlaps(pos, length, cmd.pos1, cmd.length1))
return true;
break;
case EditOp::Flip:
if (overlaps(pos, length, cmd.pos1, cmd.length))
if (overlaps(pos, length, cmd.pos1, cmd.length1))
return true;
if (overlaps(pos, length, cmd.pos2, cmd.length))
if (overlaps(pos, length, cmd.pos2, cmd.length2))
return true;
break;
case EditOp::Copy:
if (overlaps(pos, length, cmd.pos1, cmd.length))
if (overlaps(pos, length, cmd.pos1, cmd.length1))
return true;
if (cmd.pos2 > pos && cmd.pos2 < pos + length)
return true;
@@ -138,7 +138,7 @@ bool ChangeSet::replace(int pos, int length, const QString &replacement)
EditOp cmd(EditOp::Replace);
cmd.pos1 = pos;
cmd.length = length;
cmd.length1 = length;
cmd.text = replacement;
m_operationList += cmd;
@@ -154,7 +154,7 @@ bool ChangeSet::move(int pos, int length, int to)
EditOp cmd(EditOp::Move);
cmd.pos1 = pos;
cmd.length = length;
cmd.length1 = length;
cmd.pos2 = to;
m_operationList += cmd;
@@ -181,23 +181,24 @@ bool ChangeSet::remove(int pos, int length)
EditOp cmd(EditOp::Remove);
cmd.pos1 = pos;
cmd.length = length;
cmd.length1 = length;
m_operationList += cmd;
return !m_error;
}
bool ChangeSet::flip(int pos1, int length, int pos2)
bool ChangeSet::flip(int pos1, int length1, int pos2, int length2)
{
if (hasOverlap(pos1, length)
|| hasOverlap(pos2, length)
|| overlaps(pos1, length, pos2, length))
if (hasOverlap(pos1, length1)
|| hasOverlap(pos2, length2)
|| overlaps(pos1, length1, pos2, length2))
m_error = true;
EditOp cmd(EditOp::Flip);
cmd.pos1 = pos1;
cmd.length = length;
cmd.length1 = length1;
cmd.pos2 = pos2;
cmd.length2 = length2;
m_operationList += cmd;
return !m_error;
@@ -212,7 +213,7 @@ bool ChangeSet::copy(int pos, int length, int to)
EditOp cmd(EditOp::Copy);
cmd.pos1 = pos;
cmd.length = length;
cmd.length1 = length;
cmd.pos2 = to;
m_operationList += cmd;
@@ -223,21 +224,22 @@ void ChangeSet::doReplace(const EditOp &replace, QList<EditOp> *replaceList)
{
Q_ASSERT(replace.type == EditOp::Replace);
int diff = replace.text.size() - replace.length;
{
QMutableListIterator<EditOp> i(*replaceList);
while (i.hasNext()) {
EditOp &c = i.next();
if (replace.pos1 <= c.pos1)
c.pos1 += diff;
c.pos1 += replace.text.size();
if (replace.pos1 < c.pos1)
c.pos1 -= replace.length1;
}
}
if (m_string) {
m_string->replace(replace.pos1, replace.length, replace.text);
m_string->replace(replace.pos1, replace.length1, replace.text);
} else if (m_cursor) {
m_cursor->setPosition(replace.pos1);
m_cursor->setPosition(replace.pos1 + replace.length, QTextCursor::KeepAnchor);
m_cursor->setPosition(replace.pos1 + replace.length1, QTextCursor::KeepAnchor);
m_cursor->insertText(replace.text);
}
}
@@ -254,11 +256,11 @@ void ChangeSet::convertToReplace(const EditOp &op, QList<EditOp> *replaceList)
case EditOp::Move:
replace1.pos1 = op.pos1;
replace1.length = op.length;
replace1.length1 = op.length1;
replaceList->append(replace1);
replace2.pos1 = op.pos2;
replace2.text = textAt(op.pos1, op.length);
replace2.text = textAt(op.pos1, op.length1);
replaceList->append(replace2);
break;
@@ -270,25 +272,25 @@ void ChangeSet::convertToReplace(const EditOp &op, QList<EditOp> *replaceList)
case EditOp::Remove:
replace1.pos1 = op.pos1;
replace1.length = op.length;
replace1.length1 = op.length1;
replaceList->append(replace1);
break;
case EditOp::Flip:
replace1.pos1 = op.pos1;
replace1.length = op.length;
replace1.text = textAt(op.pos2, op.length);
replace1.length1 = op.length1;
replace1.text = textAt(op.pos2, op.length2);
replaceList->append(replace1);
replace2.pos1 = op.pos2;
replace2.length = op.length;
replace2.text = textAt(op.pos1, op.length);
replace2.length1 = op.length2;
replace2.text = textAt(op.pos1, op.length1);
replaceList->append(replace2);
break;
case EditOp::Copy:
replace1.pos1 = op.pos2;
replace1.text = textAt(op.pos1, op.length);
replace1.text = textAt(op.pos1, op.length1);
replaceList->append(replace1);
break;