void CodeDocument::remove (const int startPos, const int endPos, const bool undoable)
{
if (endPos <= startPos)
return;
if (undoable && !undoDisabled)
{
undoManager.perform (new DeleteAction (*this, startPos, endPos));
}
else
{
Position startPosition (*this, startPos);
Position endPosition (*this, endPos);
maximumLineLength = -1;
auto firstAffectedLine = startPosition.getLineNumber();
auto endLine = endPosition.getLineNumber();
auto& firstLine = *lines.getUnchecked (firstAffectedLine);
if (firstAffectedLine == endLine)
{
firstLine.line = firstLine.line.substring (0, startPosition.getIndexInLine())
+ firstLine.line.substring (endPosition.getIndexInLine());
firstLine.updateLength();
}
else
{
auto& lastLine = *lines.getUnchecked (endLine);
firstLine.line = firstLine.line.substring (0, startPosition.getIndexInLine())
+ lastLine.line.substring (endPosition.getIndexInLine());
firstLine.updateLength();
int numLinesToRemove = endLine - firstAffectedLine;
lines.removeRange (firstAffectedLine + 1, numLinesToRemove);
}
for (int i = firstAffectedLine + 1; i < lines.size(); ++i)
{
auto& l = *lines.getUnchecked (i);
auto& previousLine = *lines.getUnchecked (i - 1);
l.lineStartInFile = previousLine.lineStartInFile + previousLine.lineLength;
}
checkLastLineStatus();
auto totalChars = getNumCharacters();
for (auto* p : positionsToMaintain)
{
if (p->getPosition() > startPosition.getPosition())
p->setPosition (jmax (startPos, p->getPosition() + startPos - endPos));
if (p->getPosition() > totalChars)
p->setPosition (totalChars);
}
listeners.call (&CodeDocument::Listener::codeDocumentTextDeleted, startPos, endPos);
}
}
bool CodeDocument::loadFromStream (InputStream& stream)
{
remove (0, getNumCharacters(), false);
insert (stream.readEntireStreamAsString(), 0, false);
setSavePoint();
clearUndoHistory();
return true;
}
void CodeDocument::remove (const int startPos, const int endPos, const bool undoable)
{
if (endPos <= startPos)
return;
if (undoable)
{
undoManager.perform (new CodeDocumentDeleteAction (*this, startPos, endPos));
}
else
{
Position startPosition (this, startPos);
Position endPosition (this, endPos);
maximumLineLength = -1;
const int firstAffectedLine = startPosition.getLineNumber();
const int endLine = endPosition.getLineNumber();
int lastAffectedLine = firstAffectedLine + 1;
CodeDocumentLine* const firstLine = lines.getUnchecked (firstAffectedLine);
if (firstAffectedLine == endLine)
{
firstLine->line = firstLine->line.substring (0, startPosition.getIndexInLine())
+ firstLine->line.substring (endPosition.getIndexInLine());
firstLine->updateLength();
}
else
{
lastAffectedLine = lines.size();
CodeDocumentLine* const lastLine = lines.getUnchecked (endLine);
jassert (lastLine != nullptr);
firstLine->line = firstLine->line.substring (0, startPosition.getIndexInLine())
+ lastLine->line.substring (endPosition.getIndexInLine());
firstLine->updateLength();
int numLinesToRemove = endLine - firstAffectedLine;
lines.removeRange (firstAffectedLine + 1, numLinesToRemove);
}
int i;
for (i = firstAffectedLine + 1; i < lines.size(); ++i)
{
CodeDocumentLine* const l = lines.getUnchecked (i);
const CodeDocumentLine* const previousLine = lines.getUnchecked (i - 1);
l->lineStartInFile = previousLine->lineStartInFile + previousLine->lineLength;
}
checkLastLineStatus();
const int totalChars = getNumCharacters();
for (i = 0; i < positionsToMaintain.size(); ++i)
{
CodeDocument::Position* p = positionsToMaintain.getUnchecked(i);
if (p->getPosition() > startPosition.getPosition())
p->setPosition (jmax (startPos, p->getPosition() + startPos - endPos));
if (p->getPosition() > totalChars)
p->setPosition (totalChars);
}
sendListenerChangeMessage (firstAffectedLine, lastAffectedLine);
}
}
void CodeDocument::replaceAllContent (const String& newContent)
{
remove (0, getNumCharacters(), true);
insert (newContent, 0, true);
}