impl xpath regex caseinsensitivemap chunk_shift chunk_size chunk_shift chunk_mask chunk_size-1 initial_chunk_count caseinsensitivemap lower_case_match upper_case_match buildcaseinsensitivemap codepoint codepoint getmapping codepoint getmapping codepoint chunk codepoint chunk_shift offset codepoint chunk_mask caseinsensitivemap chunk offset buildcaseinsensitivemap caseinsensitivemap initial_chunk_count chunk_size lc uc lc character.tolowercase uc character.touppercase lc uc lc map index lc map index lc map index lower_case_match lcmap getmapping lc lcmap map updatemap map lc lcmap lower_case_match uc index map.length map expandmap map map index uc map index upper_case_match ucmap getmapping uc ucmap map updatemap map uc ucmap upper_case_match map expandmap srcmap expandby oldlen srcmap.length oldlen expandby system.arraycopy srcmap oldlen codepoint map chunk codepoint chunk_shift offset codepoint chunk_mask caseinsensitivemap chunk offset map updatemap codepoint codepointmap cicodepoint cicodepointmap matchtype cicodepointmap.length cicodepointmap getmapping contains cicodepoint matchtype contains codepoint expandandadd codepoint matchtype contains codepointmap codepointmap expandandadd codepointmap matchtype contains cicodepointmap codepoint cicodepointmap expandandadd cicodepointmap codepoint matchtype cicodepoint cicodepointmap codepointmap contains map codepoint map.length map codepoint contains map codepoint matchtype map.length map codepoint map matchtype expandandadd srcmap codepoint matchtype oldlen srcmap.length oldlen system.arraycopy srcmap oldlen oldlen codepoint oldlen matchtype