u%ja$^ddlZddlmZddlmZej dZGddeZ y)N)unpackzpyaxmlparser.stringblockc\eZdZdZdZdZdZdZdZdZ dZ d Z e d Z d Zd Zy ) StringBlockz StringBlock is a CHUNK inside an AXML File It contains all strings, which are used by referecing to ID's See http://androidxref.com/9.0.0_r3/xref/frameworks/base/libs/androidfw/include/androidfw/ResourceTypes.h#436 c i|_||_td|jdd|_td|jdd|_td|jdd|_|j tjzdk7|_ td|jdd|_ td|jdd|_ |j dk(r$|jdkDrtjdg|_g|_d|_g|_t%|jD]9}|jj'td|jdd;t%|j D]9}|jj'td|jdd;|jj(|jz }|jdk7r(|j dk7r|j|jz }|dzdk7rtj+d|j||_|jdk7r|j dk7r|jj(|jz }|dzdk7rtj+dt%d|dzD]9}|j"j'td|jdd;yyy) z| :param buff: buffer which holds the string block :param header: a instance of :class:`~ARSCHeader` zv 56!; O ? F Fv N O;!!$99r#c|j|d\}}||z }|dz}|j|||z}|j||z||zdzdk(sJdj||j|d|S)z Decode an UTF-16 String at the given offset :param offset: offset of the string inside the data :return: str sz2UTF-16 String is not null terminated! At offset={}zutf-16r5r9s r!r/zStringBlock._decode16s++FA6 $ ! vv '=>v 5f}6Lq6PQU`` P @ G G O P`!!$'::r#cp|j|d}t||k7rtjd|S)a Generic decoding with length check. The string is decoded from bytes with the given encoding, then the length of the string is checked. The string is decoded using the "replace" method. :param data: bytes :param encoding: encoding name ("utf-8" or "utf-16") :param str_len: length of the decoded string :return: str replacezinvalid decoded string length)decodelenrr)r=encodingr:strings r!r8zStringBlock._decode_bytess2Xy1 v;' ! KK7 8 r#cR|dz}dj|dk(rdnd}dd|dz zz}t||j|||z\}}||zdk7r||zd|zz|z}|} n|}|} |dk(r|dksJd j||| fS|d ksJd j||| fS) a Generic Length Decoding at offset of string The method works for both 8 and 16 bit Strings. Length checks are enforced: * 8 bit strings: maximum of 0x7FFF bytes (See http://androidxref.com/9.0.0_r3/xref/frameworks/base/libs/androidfw/ResourceTypes.cpp#692) * 16 bit strings: maximum of 0x7FFFFFF bytes (See http://androidxref.com/9.0.0_r3/xref/frameworks/base/libs/androidfw/ResourceTypes.cpp#670) :param offset: offset into the string data section of the beginning of the string :param sizeof_char: number of bytes per char (1 = 8bit, 2 = 16bit) :returns: tuple of (length, read bytes) r4z<2{}BHriz1length of UTF-8 string is too large! At offset={}iz3length of UTF-16 string is too large! At offset={})r7rr) rr0 sizeof_char sizeof_2charsfmthighbitlength1length2lengthrs r!r6zStringBlock._decode_lengths $q( mm;!#3C=1 a01!#tvv ?U'WX g ! #')q;?7JF DFD ! V# g%X%_%_`f%g g#t|Z' m)^)e)efl)m m't|r#c (td|j|j|j|j|j fz|jdkDrLttdt |D])\}}tdj|t|+|jdkDrcttdt|jD]5}tdj|t|j|7yy)zI Print some information on stdout about the string table zcStringBlock(stringsCount=0x%x, stringsOffset=0x%x, stylesCount=0x%x, stylesOffset=0x%x, flags=0x%x)rzString Table: z {:08d} {}zStyles Table: N) printr rr rr enumerater7reprrr2)rr ss r!showzStringBlock.shows  %%''__&&ZZ ! ! "   a  G " #!$ 61k((DG45 6 ??Q  G " #4??+ Ek((Dq1A,BCD E r#N)__name__ __module__ __qualname____doc__r"r(r*r,r%r2r.r/ staticmethodr8r6rWr#r!rrsR @DD#  $ ,":.;(""HEr#r) loggingstructrpyaxmlparser.constants constantsr getLoggerrobjectrr]r#r!rds5$&g23uE&uEr#