mirror of
https://github.com/SickGear/SickGear.git
synced 2024-11-22 21:05:05 +00:00
457 lines
22 KiB
Python
457 lines
22 KiB
Python
"""
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Documents:
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* libwx source code: see fib.c source code
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* "Microsoft Word 97 Binary File Format"
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http://bio.gsi.de/DOCS/AIX/wword8.html
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Microsoft Word 97 (aka Version 8) for Windows and Macintosh. From the Office
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book, found in the Microsoft Office Development section in the MSDN Online
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Library. HTMLified June 1998. Revised Aug 1 1998, added missing Definitions
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section. Revised Dec 21 1998, added missing Document Properties (section).
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"""
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from hachoir.field import (FieldSet, Enum,
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Bit, Bits,
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UInt8, Int16, UInt16, UInt32, Int32,
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NullBytes, Bytes, RawBytes, PascalString8, CString, String,
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TimestampMac32, TimestampWin64)
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from hachoir.core.text_handler import displayHandler
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from hachoir.core.endian import LITTLE_ENDIAN
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from hachoir.parser import guessParser
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from hachoir.parser.misc.ole2_util import OLE2FragmentParser
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from hachoir.parser.common.win32_lang_id import LANGUAGE_ID
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CREATOR_ID = {0x6A62: "Microsoft Word"}
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class ShortArray(FieldSet):
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def createFields(self):
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yield UInt16(self, "csw", "Count of fields in the array of shorts")
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self._size = self['csw'].value * 16 + 16
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yield Enum(UInt16(self, "wMagicCreated", "File creator ID"), CREATOR_ID)
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yield Enum(UInt16(self, "wMagicRevised", "File last modifier ID"), CREATOR_ID)
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yield UInt16(self, "wMagicCreatePrivate")
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yield UInt16(self, "wMagicCreatedPrivate")
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yield UInt16(self, "pnFbpChpFirst_W6")
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yield UInt16(self, "pnChpFirst_W6")
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yield UInt16(self, "cpnBteChp_W6")
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yield UInt16(self, "pnFbpPapFirst_W6")
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yield UInt16(self, "pnPapFirst_W6")
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yield UInt16(self, "cpnBtePap_W6")
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yield UInt16(self, "pnFbpLvcFirst_W6")
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yield UInt16(self, "pnLvcFirst_W6")
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yield UInt16(self, "cpnBteLvc_W6")
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yield Enum(UInt16(self, "lidFE", "Language ID if a Far East version of Word was used"), LANGUAGE_ID)
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while self.current_size < self.size:
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yield Int16(self, "unknown[]")
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def buildDateHandler(v):
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md, y = divmod(v, 100)
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m, d = divmod(md, 100)
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if y < 60:
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y = 2000 + y
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else:
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y = 1900 + y
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return "%04i-%02i-%02i" % (y, m, d)
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class LongArray(FieldSet):
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def createFields(self):
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yield UInt16(self, "clw", "Count of fields in the array of longs")
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self._size = self['clw'].value * 32 + 16
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yield Int32(self, "cbMax", "Stream offset of last byte + 1")
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yield displayHandler(UInt32(self, "lProductCreated", "Date when the creator program was built"), buildDateHandler)
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yield displayHandler(UInt32(self, "lProductRevised", "Date when the last modifier program was built"), buildDateHandler)
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yield UInt32(self, "ccpText", "Length of main document text stream")
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yield Int32(self, "ccpFtn", "Length of footnote subdocument text stream")
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yield Int32(self, "ccpHdr", "Length of header subdocument text stream")
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yield Int32(self, "ccpMcr", "Length of macro subdocument text stream")
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yield Int32(self, "ccpAtn", "Length of annotation subdocument text stream")
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yield Int32(self, "ccpEdn", "Length of endnote subdocument text stream")
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yield Int32(self, "ccpTxbx", "Length of textbox subdocument text stream")
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yield Int32(self, "ccpHdrTxbx", "Length of header textbox subdocument text stream")
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yield Int32(self, "pnFbpChpFirst", "Start of CHPX (Character Property) sector chain (sector = 512-byte 'page')")
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yield Int32(self, "pnChpFirst", "First CHPX sector")
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yield Int32(self, "cpnBteChp", "Number of CHPX sectors in the file")
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yield Int32(self, "pnFbpPapFirst", "Start of PAPX (Paragraph Property) sector chain")
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yield Int32(self, "pnPapFirst", "First PAPX sector")
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yield Int32(self, "cpnBtePap", "Number of PAPX sectors in the file")
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yield Int32(self, "pnFbpLvcFirst", "Start of LVC sector chain")
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yield Int32(self, "pnLvcFirst", "First LVC sector")
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yield Int32(self, "cpnBteLvc", "Number of LVC sectors in the file")
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yield Int32(self, "fcIslandFirst")
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yield Int32(self, "fcIslandLim")
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while self.current_size < self.size:
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yield Int32(self, "unknown[]")
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class FCLCB(FieldSet):
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static_size = 64
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def createFields(self):
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yield Int32(self, "fc", "Table Stream Offset")
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yield UInt32(self, "lcb", "Byte Count")
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def createValue(self):
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return (self['fc'].value, self['lcb'].value)
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class FCLCBArray(FieldSet):
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def createFields(self):
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yield UInt16(self, "cfclcb", "Count of fields in the array of FC/LCB pairs")
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self._size = self['cfclcb'].value * 64 + 16
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yield FCLCB(self, "StshfOrig", "Original STSH allocation")
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yield FCLCB(self, "Stshf", "Current STSH allocation")
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yield FCLCB(self, "PlcffndRef", "Footnote reference (FRD) PLC")
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yield FCLCB(self, "PlcffndTxt", "Footnote text PLC")
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yield FCLCB(self, "PlcfandRef", "Annotation reference (ATRD) PLC")
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yield FCLCB(self, "PlcfandTxt", "Annotation text PLC")
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yield FCLCB(self, "Plcfsed", "Section descriptor (SED) PLC")
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yield FCLCB(self, "Plcpad", "No longer used; used to be Plcfpgd (Page descriptor PLC)")
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yield FCLCB(self, "Plcfphe", "Paragraph heights (PHE) PLC (only for Complex files)")
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yield FCLCB(self, "Sttbfglsy", "Glossary string table")
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yield FCLCB(self, "Plcfglsy", "Glossary PLC")
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yield FCLCB(self, "Plcfhdd", "Header (HDD) PLC")
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yield FCLCB(self, "PlcfbteChpx", "Character property bin table PLC")
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yield FCLCB(self, "PlcfbtePapx", "Paragraph property bin table PLC")
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yield FCLCB(self, "Plcfsea", "Private Use PLC")
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yield FCLCB(self, "Sttbfffn", "Font information STTB")
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yield FCLCB(self, "PlcffldMom", "Main document field position (FLD) PLC")
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yield FCLCB(self, "PlcffldHdr", "Header subdocument field position (FLD) PLC")
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yield FCLCB(self, "PlcffldFtn", "Footnote subdocument field position (FLD) PLC")
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yield FCLCB(self, "PlcffldAtn", "Annotation subdocument field position (FLD) PLC")
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yield FCLCB(self, "PlcffldMcr", "No longer used")
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yield FCLCB(self, "Sttbfbkmk", "Bookmark names STTB")
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yield FCLCB(self, "Plcfbkf", "Bookmark begin position (BKF) PLC")
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yield FCLCB(self, "Plcfbkl", "Bookmark end position (BKL) PLC")
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yield FCLCB(self, "Cmds", "Macro commands")
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yield FCLCB(self, "Plcmcr", "No longer used")
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yield FCLCB(self, "Sttbfmcr", "No longer used")
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yield FCLCB(self, "PrDrvr", "Printer Driver information")
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yield FCLCB(self, "PrEnvPort", "Printer environment for Portrait mode")
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yield FCLCB(self, "PrEnvLand", "Printer environment for Landscape mode")
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yield FCLCB(self, "Wss", "Window Save State")
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yield FCLCB(self, "Dop", "Document Property data")
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yield FCLCB(self, "SttbfAssoc", "Associated strings STTB")
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yield FCLCB(self, "Clx", "Complex file information")
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yield FCLCB(self, "PlcfpgdFtn", "Not used")
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yield FCLCB(self, "AutosaveSource", "Original filename for Autosave purposes")
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yield FCLCB(self, "GrpXstAtnOwners", "String Group for Annotation Owner Names")
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yield FCLCB(self, "SttbfAtnbkmk", "Annotation subdocument bookmark names STTB")
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yield FCLCB(self, "PlcdoaMom", "No longer used")
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yield FCLCB(self, "PlcdoaHdr", "No longer used")
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yield FCLCB(self, "PlcspaMom", "Main document File Shape (FSPA) PLC")
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yield FCLCB(self, "PlcspaHdr", "Header subdocument FSPA PLC")
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yield FCLCB(self, "PlcfAtnbkf", "Annotation subdocument bookmark begin position (BKF) PLC")
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yield FCLCB(self, "PlcfAtnbkl", "Annotation subdocument bookmark end position (BKL) PLC")
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yield FCLCB(self, "Pms", "Print Merge State")
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yield FCLCB(self, "FormFldSttbs", "Form field values STTB")
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yield FCLCB(self, "PlcfendRef", "Endnote Reference (FRD) PLC")
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yield FCLCB(self, "PlcfendTxt", "Endnote Text PLC")
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yield FCLCB(self, "PlcffldEdn", "Endnote subdocument field position (FLD) PLC)")
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yield FCLCB(self, "PlcfpgdEdn", "not used")
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yield FCLCB(self, "DggInfo", "Office Art Object Table Data")
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yield FCLCB(self, "SttbfRMark", "Editor Author Abbreviations STTB")
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yield FCLCB(self, "SttbCaption", "Caption Title STTB")
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yield FCLCB(self, "SttbAutoCaption", "Auto Caption Title STTB")
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yield FCLCB(self, "Plcfwkb", "WKB PLC")
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yield FCLCB(self, "Plcfspl", "Spell Check State PLC")
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yield FCLCB(self, "PlcftxbxTxt", "Text Box Text PLC")
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yield FCLCB(self, "PlcffldTxbx", "Text Box Reference (FLD) PLC")
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yield FCLCB(self, "PlcfhdrtxbxTxt", "Header Text Box Text PLC")
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yield FCLCB(self, "PlcffldHdrTxbx", "Header Text Box Reference (FLD) PLC")
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yield FCLCB(self, "StwUser", "Macro User storage")
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yield FCLCB(self, "Sttbttmbd", "Embedded TrueType Font Data")
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yield FCLCB(self, "Unused")
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yield FCLCB(self, "PgdMother", "Main text page descriptors PLF")
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yield FCLCB(self, "BkdMother", "Main text break descriptors PLF")
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yield FCLCB(self, "PgdFtn", "Footnote text page descriptors PLF")
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yield FCLCB(self, "BkdFtn", "Footnote text break descriptors PLF")
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yield FCLCB(self, "PgdEdn", "Endnote text page descriptors PLF")
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yield FCLCB(self, "BkdEdn", "Endnote text break descriptors PLF")
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yield FCLCB(self, "SttbfIntlFld", "Field keywords STTB")
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yield FCLCB(self, "RouteSlip", "Mailer Routing Slip")
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yield FCLCB(self, "SttbSavedBy", "STTB of names of users who have saved the document")
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yield FCLCB(self, "SttbFnm", "STTB of filenames of documents referenced by this one")
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yield FCLCB(self, "PlcfLst", "List Format information PLC")
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yield FCLCB(self, "PlfLfo", "List Format Override information PLC")
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yield FCLCB(self, "PlcftxbxBkd", "Main document textbox break table (BKD) PLC")
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yield FCLCB(self, "PlcftxbxHdrBkd", "Header subdocument textbox break table (BKD) PLC")
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yield FCLCB(self, "DocUndo", "Undo/Versioning data")
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yield FCLCB(self, "Rgbuse", "Undo/Versioning data")
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yield FCLCB(self, "Usp", "Undo/Versioning data")
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yield FCLCB(self, "Uskf", "Undo/Versioning data")
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yield FCLCB(self, "PlcupcRgbuse", "Undo/Versioning data")
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yield FCLCB(self, "PlcupcUsp", "Undo/Versioning data")
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yield FCLCB(self, "SttbGlsyStyle", "Glossary entry style names STTB")
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yield FCLCB(self, "Plgosl", "Grammar options PL")
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yield FCLCB(self, "Plcocx", "OCX data PLC")
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yield FCLCB(self, "PlcfbteLvc", "Character property bin table PLC")
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if self['../fMac'].value:
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yield TimestampMac32(self, "ftModified", "Date last modified")
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yield Int32(self, "padding[]")
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else:
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yield TimestampWin64(self, "ftModified", "Date last modified")
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yield FCLCB(self, "Plcflvc", "LVC PLC")
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yield FCLCB(self, "Plcasumy", "Autosummary PLC")
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yield FCLCB(self, "Plcfgram", "Grammar check PLC")
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yield FCLCB(self, "SttbListNames", "List names STTB")
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yield FCLCB(self, "SttbfUssr", "Undo/Versioning data")
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while self.current_size < self.size:
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yield FCLCB(self, "unknown[]")
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class FIB(FieldSet):
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def createFields(self):
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yield UInt16(self, "wIdent", "Magic Number")
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yield UInt16(self, "nFib", "File Information Block (FIB) Version")
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yield UInt16(self, "nProduct", "Product Version")
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yield Enum(UInt16(self, "lid", "Language ID"), LANGUAGE_ID)
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yield Int16(self, "pnNext")
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yield Bit(self, "fDot", "Is the document a document template?")
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yield Bit(self, "fGlsy", "Is the document a glossary?")
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yield Bit(self, "fComplex", "Is the document in Complex format?")
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yield Bit(self, "fHasPic", "Does the document have embedded images?")
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yield Bits(self, "cQuickSaves", 4, "Number of times the document was quick-saved")
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yield Bit(self, "fEncrypted", "Is the document encrypted?")
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yield Bits(self, "fWhichTblStm", 1, "Which table stream (0Table or 1Table) to use")
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yield Bit(self, "fReadOnlyRecommended", "Should the file be opened read-only?")
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yield Bit(self, "fWriteReservation", "Is the file write-reserved?")
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yield Bit(self, "fExtChar", "Does the file use an extended character set?")
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yield Bit(self, "fLoadOverride")
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yield Bit(self, "fFarEast")
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yield Bit(self, "fCrypto")
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yield UInt16(self, "nFibBack", "Document is backwards compatible down to this FIB version")
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yield UInt32(self, "lKey", "File encryption key (only if fEncrypted)")
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yield Enum(UInt8(self, "envr", "Document creation environment"), {0: 'Word for Windows', 1: 'Macintosh Word'})
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yield Bit(self, "fMac", "Was this file last saved on a Mac?")
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yield Bit(self, "fEmptySpecial")
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yield Bit(self, "fLoadOverridePage")
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yield Bit(self, "fFutureSavedUndo")
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yield Bit(self, "fWord97Save")
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yield Bits(self, "fSpare0", 3)
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CHARSET = {0: 'Windows ANSI', 256: 'Macintosh'}
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yield Enum(UInt16(self, "chse", "Character set for document text"), CHARSET)
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yield Enum(UInt16(self, "chsTables", "Character set for internal table text"), CHARSET)
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yield UInt32(self, "fcMin", "File offset for the first character of text")
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yield UInt32(self, "fcMax", "File offset for the last character of text + 1")
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yield ShortArray(self, "array1", "Array of shorts")
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yield LongArray(self, "array2", "Array of longs")
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yield FCLCBArray(self, "array3", "Array of File Offset/Byte Count (FC/LCB) pairs")
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def getRootParser(ole2):
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return guessParser(ole2["root[0]"].getSubIStream())
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def getOLE2Parser(ole2, path):
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name = path + "[0]"
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if name in ole2:
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fragment = ole2[name]
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else:
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fragment = getRootParser(ole2)[name]
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return guessParser(fragment.getSubIStream())
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class WordDocumentParser(OLE2FragmentParser):
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MAGIC = b'\xec\xa5' # 42476
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PARSER_TAGS = {
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"id": "word_document",
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"min_size": 8,
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"magic": ((MAGIC, 0),),
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"description": "Microsoft Office Word document",
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}
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endian = LITTLE_ENDIAN
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def __init__(self, stream, **args):
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OLE2FragmentParser.__init__(self, stream, **args)
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def validate(self):
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if self.stream.readBytes(0, 2) != self.MAGIC:
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return "Invalid magic."
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if self['FIB/nFib'].value not in (192, 193):
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return "Unknown FIB version."
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return True
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def createFields(self):
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yield FIB(self, "FIB", "File Information Block")
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getOLE2Parser(self.ole2, "table" +
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str(self["FIB/fWhichTblStm"].value))
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padding = (self['FIB/fcMin'].value - self.current_size // 8)
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if padding:
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yield NullBytes(self, "padding[]", padding)
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# Guess whether the file uses UTF16 encoding.
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is_unicode = False
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if self['FIB/array2/ccpText'].value * 2 == self['FIB/fcMax'].value - self['FIB/fcMin'].value:
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is_unicode = True
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for fieldname, textname in [('Text', 'text'), ('Ftn', 'text_footnote'),
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('Hdr', 'text_header'), ('Mcr',
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'text_macro'), ('Atn', 'text_annotation'),
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('Edn', 'text_endnote'), ('Txbx', 'text_textbox'), ('HdrTxbx', 'text_header_textbox')]:
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size = self['FIB/array2/ccp' + fieldname].value
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if size:
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if is_unicode:
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yield String(self, textname, size * 2, charset="UTF-16-LE")
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else:
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yield Bytes(self, textname, size)
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padding = (self['FIB/fcMax'].value - self.current_size // 8)
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if padding:
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yield RawBytes(self, "padding[]", padding)
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class WidePascalString16(String):
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def __init__(self, parent, name, description=None,
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strip=None, nbytes=None, truncate=None):
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Bytes.__init__(self, parent, name, 1, description)
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self._format = "WidePascalString16"
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self._strip = strip
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self._truncate = truncate
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self._character_size = 2
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self._charset = "UTF-16-LE"
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self._content_offset = 2
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self._content_size = self._character_size * self._parent.stream.readBits(
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self.absolute_address, self._content_offset * 8, self._parent.endian)
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self._size = (self._content_size + self.content_offset) * 8
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class TableParsers(object):
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class Bte(FieldSet):
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'Bin Table Entry'
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static_size = 32
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def createFields(self):
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yield Bits(self, "pn", 22, "Referenced page number")
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yield Bits(self, "unused", 10)
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def createValue(self):
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return self["pn"].value
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class Ffn(FieldSet):
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'Font Family Name'
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def createFields(self):
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yield UInt8(self, "size", "Total length of this FFN in bytes, minus 1")
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self._size = self["size"].value * 8 + 8
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yield Bits(self, "prq", 2, "Pitch request")
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yield Bit(self, "fTrueType", "Is font a TrueType font?")
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yield Bits(self, "reserved[]", 1)
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yield Bits(self, "ff", 3, "Font Family ID")
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yield Bits(self, "reserved[]", 1)
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yield UInt16(self, "wWeight", "Base weight of font")
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yield UInt8(self, "chs", "Character set identifier")
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yield UInt8(self, "ixchSzAlt", "Index into name to the name of the alternate font")
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yield RawBytes(self, "panose", 10)
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yield RawBytes(self, "fs", 24, "Font Signature")
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yield CString(self, "name", charset="UTF-16-LE")
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if self["ixchSzAlt"].value != 0:
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yield CString(self, "nameAlt", charset="UTF-16-LE")
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def createValue(self):
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return self["name"].value
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class Sttbf(FieldSet):
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'String Table stored in File'
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SttbfAssocDESC = {
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0: "FileNext: unused",
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1: "Dot: filename of associated template",
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2: "Title: title of document",
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3: "Subject: subject of document",
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|
4: "KeyWords: keywords of document",
|
|
5: "Comments: comments of document",
|
|
6: "Author: author of document",
|
|
7: "LastRevBy: name of person who last revised the document",
|
|
8: "DataDoc: filename of data document",
|
|
9: "HeaderDoc: filename of header document",
|
|
10: "Criteria1: packed string used by print merge record selection",
|
|
11: "Criteria2: packed string used by print merge record selection",
|
|
12: "Criteria3: packed string used by print merge record selection",
|
|
13: "Criteria4: packed string used by print merge record selection",
|
|
14: "Criteria5: packed string used by print merge record selection",
|
|
15: "Criteria6: packed string used by print merge record selection",
|
|
16: "Criteria7: packed string used by print merge record selection",
|
|
17: "Max: maximum number of strings in string table",
|
|
}
|
|
|
|
def createFields(self):
|
|
if self.stream.readBytes(self.absolute_address, 2) == b"\xff\xff":
|
|
yield Int16(self, "utf16_marker", "If this field is present, the Sttbf contains UTF-16 data.")
|
|
self.is_utf16 = True
|
|
else:
|
|
self.is_utf16 = False
|
|
yield UInt16(self, "count", "Number of strings in this Sttbf")
|
|
extra_data_field = UInt16(
|
|
self, "extra_data_len", "Size of optional extra data after each string")
|
|
yield extra_data_field
|
|
extra_data_len = extra_data_field.value
|
|
for i in range(self["count"].value):
|
|
if self.name == "SttbfAssoc":
|
|
desc = self.SttbfAssocDESC.get(i, None)
|
|
else:
|
|
desc = None
|
|
if self.name == "Sttbfffn":
|
|
yield TableParsers.Ffn(self, "string[]", desc)
|
|
elif self.is_utf16:
|
|
yield WidePascalString16(self, "string[]", desc)
|
|
else:
|
|
yield PascalString8(self, "string[]", desc)
|
|
if extra_data_len:
|
|
yield RawBytes(self, "extra[]", extra_data_len)
|
|
|
|
class Plcf(FieldSet):
|
|
'Plex of CPs/FCs stored in file'
|
|
|
|
def createFields(self):
|
|
if self.size is None:
|
|
return
|
|
chunk_parser = None
|
|
size = None
|
|
if self.name.startswith("Plcfbte"):
|
|
chunk_parser = TableParsers.Bte
|
|
if not chunk_parser:
|
|
return
|
|
if size is None:
|
|
size = chunk_parser.static_size // 8
|
|
n = (self.size // 8 - 4) // (4 + size)
|
|
for i in range(n + 1):
|
|
yield UInt32(self, "cp_fc[]", "CP or FC value")
|
|
for i in range(n):
|
|
yield chunk_parser(self, "obj[]")
|
|
|
|
|
|
class WordTableParser(OLE2FragmentParser):
|
|
|
|
def createFields(self):
|
|
word_doc = getOLE2Parser(self.ole2, "word_doc")
|
|
if word_doc["FIB/fWhichTblStm"].value != int(self.ole2name[0]):
|
|
yield RawBytes(self, "inactive_table", self.datasize)
|
|
return
|
|
for fclcb in word_doc["FIB/array3"]:
|
|
if not isinstance(fclcb, FCLCB):
|
|
continue
|
|
if fclcb["fc"].value < 0 or fclcb["lcb"].value <= 0:
|
|
continue
|
|
self.seekByte(fclcb["fc"].value, relative=False)
|
|
if fclcb.name.startswith("Sttb"):
|
|
yield TableParsers.Sttbf(self, fclcb.name, size=fclcb["lcb"].value * 8)
|
|
elif fclcb.name.startswith("Plc"):
|
|
yield TableParsers.Plcf(self, fclcb.name, size=fclcb["lcb"].value * 8)
|
|
else:
|
|
yield RawBytes(self, fclcb.name, fclcb["lcb"].value, fclcb.description)
|