/**
* Writes an entry for the given column (of the generated text) and associated mapping. The
* values are stored as relative to the last seen values for each field and encoded as
* Base64VLQs.
*/
void writeEntry(Mapping m, int column) throws IOException {
// The relative generated column number
Base64VLQ.encode(out, column - previousColumn);
previousColumn = column;
if (m != null) {
// The relative source file id
int sourceId = getSourceId(m.sourceFile);
Base64VLQ.encode(out, sourceId - previousSourceFileId);
previousSourceFileId = sourceId;
// The relative source file line and column
int srcline = m.originalPosition.getLine();
int srcColumn = m.originalPosition.getColumn();
Base64VLQ.encode(out, srcline - previousSourceLine);
previousSourceLine = srcline;
Base64VLQ.encode(out, srcColumn - previousSourceColumn);
previousSourceColumn = srcColumn;
if (m.originalName != null) {
// The relative id for the associated symbol name
int nameId = getNameId(m.originalName);
Base64VLQ.encode(out, (nameId - previousNameId));
previousNameId = nameId;
}
}
}
private int nextValue() {
return Base64VLQ.decode(content);
}