@Nullable("null means we were unable to calculate")
LogicalPosition hostToInjectedInVirtualSpace(@NotNull LogicalPosition hPos) {
// beware the virtual space
int hLineStartOffset =
hPos.line >= myDelegate.getLineCount()
? myDelegate.getTextLength()
: myDelegate.getLineStartOffset(hPos.line);
int iLineStartOffset = hostToInjected(hLineStartOffset);
int iLine = getLineNumber(iLineStartOffset);
synchronized (myLock) {
for (int i = myShreds.size() - 1; i >= 0; i--) {
PsiLanguageInjectionHost.Shred shred = myShreds.get(i);
if (!shred.isValid()) continue;
Segment hostRangeMarker = shred.getHostRangeMarker();
if (hostRangeMarker == null) continue;
int hShredEndOffset = hostRangeMarker.getEndOffset();
int hShredStartOffset = hostRangeMarker.getStartOffset();
int hShredStartLine = myDelegate.getLineNumber(hShredStartOffset);
int hShredEndLine = myDelegate.getLineNumber(hShredEndOffset);
if (hShredStartLine <= hPos.line && hPos.line <= hShredEndLine) {
int hColumnOfShredEnd = hShredEndOffset - hLineStartOffset;
int iColumnOfShredEnd = hostToInjected(hShredEndOffset) - iLineStartOffset;
int iColumn = iColumnOfShredEnd + hPos.column - hColumnOfShredEnd;
return new LogicalPosition(iLine, iColumn);
}
}
}
return null;
}
@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);
}