void mapOffsetDelta(long addToText, long addToSource) {
if (addToText == 0 && addToSource == 0) {
return;
}
if (LOG.isLoggable(Level.FINER)) {
LOG.finer("Moving offsets: text += " + addToText + "; source += " + addToSource);
}
final long textOffsetRangeLength = textOffsetRange.length();
final long sourceOffsetRangeLength = sourceOffsetRange.length();
if (addToText == 0 && textOffsetRangeLength == 0) {
sourceOffsetRange =
new TextRange(sourceOffsetRange.getStart(), sourceOffsetRange.getEnd() + addToSource);
} else if (addToSource == 0 && sourceOffsetRangeLength == 0) {
textOffsetRange =
new TextRange(textOffsetRange.getStart(), textOffsetRange.getEnd() + addToText);
} else if (textOffsetRangeLength == sourceOffsetRangeLength && addToText == addToSource) {
sourceOffsetRange =
new TextRange(sourceOffsetRange.getStart(), sourceOffsetRange.getEnd() + addToSource);
textOffsetRange =
new TextRange(textOffsetRange.getStart(), textOffsetRange.getEnd() + addToText);
} else {
emitOffsetMapping();
sourceOffsetRange =
new TextRange(sourceOffsetRange.getEnd(), sourceOffsetRange.getEnd() + addToSource);
textOffsetRange =
new TextRange(textOffsetRange.getEnd(), textOffsetRange.getEnd() + addToText);
}
this.textOffset += addToText;
this.sourceOffset += addToSource;
}
void emitOffsetMapping() {
if (textOffsetRange.length() == 0 && sourceOffsetRange.length() == 0) {
return;
}
if (LOG.isLoggable(Level.FINER)) {
LOG.finer(
"New offset mapping: text = " + textOffsetRange + "==> source += " + sourceOffsetRange);
}
for (XMLTransformerModule<T> m : modules) {
m.offsetMapping(this, textOffsetRange, sourceOffsetRange);
}
}