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Generalized the changeset operations.

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This commit is contained in:
Roberto Raggi
2010-06-22 10:14:06 +02:00
parent b13d6ae362
commit eb749ec3a2
9 changed files with 121 additions and 187 deletions
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30
src/libs/utils/changeset.cpp
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@@ -131,7 +131,7 @@ void ChangeSet::clear()
m_error = false;
}
bool ChangeSet::replace(int pos, int length, const QString &replacement)
bool ChangeSet::replace_helper(int pos, int length, const QString &replacement)
{
if (hasOverlap(pos, length))
m_error = true;
@@ -145,7 +145,7 @@ bool ChangeSet::replace(int pos, int length, const QString &replacement)
return !m_error;
}
bool ChangeSet::move(int pos, int length, int to)
bool ChangeSet::move_helper(int pos, int length, int to)
{
if (hasOverlap(pos, length)
|| hasOverlap(to, 0)
@@ -174,7 +174,7 @@ bool ChangeSet::insert(int pos, const QString &text)
return !m_error;
}
bool ChangeSet::remove(int pos, int length)
bool ChangeSet::remove_helper(int pos, int length)
{
if (hasOverlap(pos, length))
m_error = true;
@@ -187,7 +187,7 @@ bool ChangeSet::remove(int pos, int length)
return !m_error;
}
bool ChangeSet::flip(int pos1, int length1, int pos2, int length2)
bool ChangeSet::flip_helper(int pos1, int length1, int pos2, int length2)
{
if (hasOverlap(pos1, length1)
|| hasOverlap(pos2, length2)
@@ -204,7 +204,7 @@ bool ChangeSet::flip(int pos1, int length1, int pos2, int length2)
return !m_error;
}
bool ChangeSet::copy(int pos, int length, int to)
bool ChangeSet::copy_helper(int pos, int length, int to)
{
if (hasOverlap(pos, length)
|| hasOverlap(to, 0)
@@ -220,27 +220,27 @@ bool ChangeSet::copy(int pos, int length, int to)
return !m_error;
}
void ChangeSet::doReplace(const EditOp &replace, QList<EditOp> *replaceList)
void ChangeSet::doReplace(const EditOp &replace_helper, QList<EditOp> *replaceList)
{
Q_ASSERT(replace.type == EditOp::Replace);
Q_ASSERT(replace_helper.type == EditOp::Replace);
{
QMutableListIterator<EditOp> i(*replaceList);
while (i.hasNext()) {
EditOp &c = i.next();
if (replace.pos1 <= c.pos1)
c.pos1 += replace.text.size();
if (replace.pos1 < c.pos1)
c.pos1 -= replace.length1;
if (replace_helper.pos1 <= c.pos1)
c.pos1 += replace_helper.text.size();
if (replace_helper.pos1 < c.pos1)
c.pos1 -= replace_helper.length1;
}
}
if (m_string) {
m_string->replace(replace.pos1, replace.length1, replace.text);
m_string->replace(replace_helper.pos1, replace_helper.length1, replace_helper.text);
} else if (m_cursor) {
m_cursor->setPosition(replace.pos1);
m_cursor->setPosition(replace.pos1 + replace.length1, QTextCursor::KeepAnchor);
m_cursor->insertText(replace.text);
m_cursor->setPosition(replace_helper.pos1);
m_cursor->setPosition(replace_helper.pos1 + replace_helper.length1, QTextCursor::KeepAnchor);
m_cursor->insertText(replace_helper.text);
}
}