@NotNull
public LogicalPosition hostToInjected(@NotNull LogicalPosition hPos) {
assert isValid();
DocumentEx hostDocument = myDelegate.getDocument();
int hLineEndOffset =
hPos.line >= hostDocument.getLineCount()
? hostDocument.getTextLength()
: hostDocument.getLineEndOffset(hPos.line);
LogicalPosition hLineEndPos = myDelegate.offsetToLogicalPosition(hLineEndOffset);
if (hLineEndPos.column < hPos.column) {
// in virtual space
LogicalPosition iPos = myDocumentWindow.hostToInjectedInVirtualSpace(hPos);
if (iPos != null) {
return iPos;
}
}
int hOffset = myDelegate.logicalPositionToOffset(hPos);
int iOffset = myDocumentWindow.hostToInjected(hOffset);
return offsetToLogicalPosition(iOffset);
}
@NotNull
public LogicalPosition injectedToHost(@NotNull LogicalPosition pos) {
assert isValid();
// beware the virtual space
int column = pos.column;
int lineStartOffset = myDocumentWindow.getLineStartOffset(pos.line);
int lineEndOffset = myDocumentWindow.getLineEndOffset(pos.line);
if (column > lineEndOffset - lineStartOffset) {
// in virtual space, calculate the host pos as an offset from the line end
int delta = column - (lineEndOffset - lineStartOffset);
int baseOffsetInHost = myDocumentWindow.injectedToHost(lineEndOffset);
LogicalPosition lineStartPosInHost = myDelegate.offsetToLogicalPosition(baseOffsetInHost);
return new LogicalPosition(lineStartPosInHost.line, lineStartPosInHost.column + delta);
} else {
int offset = lineStartOffset + column;
int hostOffset = getDocument().injectedToHost(offset);
int hostLineNumber = getDocument().getDelegate().getLineNumber(hostOffset);
int hostLineStart = getDocument().getDelegate().getLineStartOffset(hostLineNumber);
return new LogicalPosition(hostLineNumber, hostOffset - hostLineStart);
}
}