mirror of
https://github.com/ONLYOFFICE/core.git
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2276da418e
git-svn-id: svn://fileserver/activex/AVS/Sources/TeamlabOffice/trunk/ServerComponents@62078 954022d7-b5bf-4e40-9824-e11837661b57
325 lines
10 KiB
C++
325 lines
10 KiB
C++
#ifndef _OBJECTS_H
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#define _OBJECTS_H
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#pragma once
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#include "Encoder.h"
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#include "ToUnicode.h"
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#include "Utils.h"
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#include "Pattern.h"
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#include "Encrypt.h"
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#include "Streams.h"
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// Если установлен бит OTYPE_DIRECT, значит данный объект принадлежит другому
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// объекту. Если установлен бит OTYPE_INDIRECT, значит объект управляется таблицей xref.
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#define OTYPE_NONE 0x00000000
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#define OTYPE_DIRECT 0x80000000
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#define OTYPE_INDIRECT 0x40000000
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#define OTYPE_ANY (OTYPE_DIRECT | OTYPE_INDIRECT)
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#define OTYPE_HIDDEN 0x10000000
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#define OCLASS_UNKNOWN 0x0001
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#define OCLASS_NULL 0x0002
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#define OCLASS_BOOLEAN 0x0003
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#define OCLASS_NUMBER 0x0004
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#define OCLASS_REAL 0x0005
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#define OCLASS_NAME 0x0006
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#define OCLASS_STRING 0x0007
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#define OCLASS_BINARY 0x0008
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#define OCLASS_ARRAY 0x0010
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#define OCLASS_DICT 0x0011
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#define OCLASS_PROXY 0x0012
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#define OCLASS_PATTERN_REF 0x00FA
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#define OCLASS_FUNC_REF 0x00F2
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#define OCLASS_MASK_FORM 0x00F3
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#define OCLASS_MASK_REF 0x00F4
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#define OCLASS_XFORM 0x00F5
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#define OCLASS_ANY 0x00FF
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#define OSUBCLASS_FONT 0x0100
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#define OSUBCLASS_CATALOG 0x0200
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#define OSUBCLASS_PAGES 0x0300
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#define OSUBCLASS_PAGE 0x0400
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#define OSUBCLASS_XOBJECT 0x0500
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#define OSUBCLASS_OUTLINE 0x0600
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#define OSUBCLASS_DESTINATION 0x0700
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#define OSUBCLASS_ANNOTATION 0x0800
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#define OSUBCLASS_ENCRYPT 0x0900
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#define OSUBCLASS_EXT_GSTATE 0x0A00
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#define OSUBCLASS_EXT_GSTATE_R 0x0B00 /* read only object */
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//------ Значения относящиеся к объекту xref ------------------------------------
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#define FREE_ENTRY 'f'
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#define IN_USE_ENTRY 'n'
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/*
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* structure of Object-ID
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*
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* 1 direct-object
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* 2 indirect-object
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* 3 reserved
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* 4 shadow-object
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* 5-8 reserved
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* 9-32 object-idЃi0-8388607Ѓj
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*
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* the real Object-ID is described "obj_id & 0x00FFFFFF"
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*/
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typedef struct TObjHeader
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{
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unsigned int nObjId;
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unsigned int nGenNo;
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unsigned int nObjClass;
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} ObjHeader;
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// Определения основных функций для работы с объектами
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//unsigned long ObjWriteValue (void *pObj, StreamRecPtr pStream, EncryptRecPtr pEncrypt);
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//unsigned long ObjWrite (void *pObj, StreamRecPtr pStream, EncryptRecPtr pEncrypt);
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//void ObjForceFree (MMgr oMMgr, void *pObj);
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//void ObjFree (MMgr oMMgr, void *pObj);
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//----- NullObject -------------------------------------------------------------
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typedef struct TNullRec *Null;
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typedef struct TNullRec
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{
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ObjHeader pHeader;
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} NullRec;
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Null NullNew (MMgr oMMgr);
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//----- BooleanObject --------------------------------------------------------
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typedef struct TBooleanRec {
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ObjHeader pHeader;
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bool bValue;
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} BooleanRec;
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typedef BooleanRec* BooleanRecPtr;
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BooleanRecPtr BooleanNew (MMgr oMMgr, bool bValue);
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unsigned long BooleanWrite (BooleanRecPtr pObj, StreamRecPtr pStream);
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//----- NumberObject (int value) ---------------------------------------------
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typedef struct TNumberRec *Number;
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typedef struct TNumberRec
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{
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ObjHeader pHeader;
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int nValue;
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} NumberRec;
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Number NumberNew (MMgr oMMgr, int nValue);
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unsigned long NumberWrite (Number pObj, StreamRecPtr pStream);
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void NumberSetValue(Number pObj, int nValue);
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//----- Real ----------------------------------------------------------------
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typedef struct TRealRec *Real;
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typedef struct TRealRec
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{
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ObjHeader pHeader;
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Error oError;
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float fValue;
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} RealRec;
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unsigned long RealSetValue (Real pObj, float fValue);
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Real RealNew (MMgr oMMgr, float fValue);
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unsigned long RealWrite (Real pObj, StreamRecPtr pStream);
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//----- NameObjects -----------------------------------------------------------
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typedef struct TNameRec *Name;
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typedef struct TNameRec
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{
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ObjHeader pHeader;
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Error oError;
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char sValue[LIMIT_MAX_NAME_LEN + 1];
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} NameRec;
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unsigned long NameSetValue(Name pObj, const char *sValue);
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Name NameNew (MMgr oMMgr, const char *sValue);
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unsigned long NameWrite (Name pObj, StreamRecPtr pStream);
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const char* NameGetValue(Name pObj);
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//----- StringObject ---------------------------------------------------------
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typedef struct TStringRec *String;
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typedef struct TStringRec
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{
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ObjHeader pHeader;
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MMgr oMMgr;
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Error oError;
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EncoderRecPtr pEncoder;
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BYTE *pValue;
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unsigned int nLen;
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} StringRec;
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static const BYTE UNICODE_HEADER[] = { 0xFE, 0xFF };
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unsigned long StringSetValue(String pObj, const char *sValue);
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String StringNew (MMgr oMMgr, const char *sValue, EncoderRecPtr pEncoder);
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void StringFree (String pObj);
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unsigned long StringWrite (String pObj, StreamRecPtr pStream, EncryptRecPtr pEncrypt);
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//----- BinaryObject ---------------------------------------------------------
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typedef struct TBinaryRec *Binary;
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typedef struct TBinaryRec
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{
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ObjHeader pHeader;
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MMgr oMMgr;
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Error oError;
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BYTE *pValue;
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unsigned int nLen;
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} BinaryRec;
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unsigned long BinarySetValue (Binary pObj, BYTE *pValue, unsigned int nLen);
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Binary BinaryNew (MMgr oMMgr, BYTE *pValue, unsigned int nLen);
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unsigned long BinaryWrite (Binary pObj, StreamRecPtr pStream, EncryptRecPtr pEncrypt);
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void BinaryFree (Binary pObj);
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unsigned int BinaryGetLen (Binary pObj);
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BYTE* BinaryGetValue (Binary pObj);
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//----- ProxyObject ------------------------------------------------------------
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typedef struct TProxyRec *Proxy;
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typedef struct TProxyRec
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{
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ObjHeader pHeader;
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void *pObj;
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} ProxyRec;
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Proxy ProxyNew (MMgr oMMgr, void *pObj);
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//----- ArrayObject ----------------------------------------------------------
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typedef struct TArrayRec *Array;
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typedef struct TArrayRec
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{
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ObjHeader pHeader;
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MMgr oMMgr;
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Error oError;
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List pList;
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} ArrayRec;
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Array ArrayNew (MMgr oMMgr);
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unsigned long ArrayWrite (Array oArray, StreamRecPtr pStream, EncryptRecPtr pEncrypt);
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unsigned long ArrayAdd (Array oArray, void *pObj);
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unsigned long ArrayAddNumber (Array oArray, int nValue);
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unsigned long ArrayAddReal (Array oArray, float fValue);
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unsigned long ArrayAddName (Array oArray, const char *sValue);
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unsigned long ArrayInsert (Array oArray, void *pTarget, void *pObj);
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void* ArrayGetItem (Array oArray, unsigned int nIndex, unsigned int nObjClass);
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void ArrayClear (Array oArray);
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void ArrayFree (Array oArray);
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Array BoxArrayNew (MMgr oMMgr, Box oBox);
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//----- DictObject -----------------------------------------------------------
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typedef struct TXrefRec *Xref;
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unsigned long XrefAdd (Xref pXref, void *pObj);
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typedef struct TDictRec *Dict;
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typedef void (*DictFreeFunc) (Dict pObj);
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typedef unsigned long (*DictBeforeWriteFunc)(Dict pObj);
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typedef unsigned long (*DictAfterWriteFunc) (Dict pObj);
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typedef unsigned long (*DictOnWriteFunc) (Dict pObj, StreamRecPtr pStream);
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typedef struct TDictRec
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{
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ObjHeader pHeader;
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MMgr oMMgr;
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Error oError;
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List pList;
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DictBeforeWriteFunc pBeforeWriteFn;
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DictOnWriteFunc pWriteFn;
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DictAfterWriteFunc pAfterWriteFn;
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DictFreeFunc pFreeFn;
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StreamRecPtr pStream;
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unsigned int nFilter;
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unsigned int nPredictor;
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std::map<CString, int> *pKeyMap;
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void *pAttr;
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CString* sBuffer;
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} DictRec;
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typedef struct TDictElementRec *DictElement;
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typedef struct TDictElementRec
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{
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char sKey[LIMIT_MAX_NAME_LEN + 1];
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void *pValue;
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} DictElementRec;
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Dict DictNew (MMgr oMMgr);
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DictElement GetElement (Dict oDict, const char *sKey);
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unsigned long DictAdd (Dict oDict, const char *sKey, void *pObj);
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Dict DictStreamNew (MMgr oMMgr, Xref oXref, bool bMemoryStream = true, const wchar_t *wsTempFile = NULL, unsigned int unCheckSum = 0);
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void DictFree (Dict oDict);
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unsigned long DictRemoveElement (Dict oDict, const char *sKey);
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void* DictGetItem (Dict oDict, const char *sKey, unsigned short nObjClass );
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unsigned long DictAddName (Dict oDict, const char *sKey, const char *sValue);
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unsigned long DictAddNumber (Dict oDict, const char *sKey, int nValue);
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unsigned long DictAddReal (Dict oDict, const char *sKey, float fValue);
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unsigned long DictAddBoolean (Dict oDict, const char *sKey, bool bValue);
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unsigned long DictWrite (Dict oDict, StreamRecPtr pStream, EncryptRecPtr pEncrypt );
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const char* DictGetKeyByObj (Dict oDict, void *pObj);
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//----- XrefObject -----------------------------------------------------------
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typedef struct TXrefEntryRec *XrefEntry;
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typedef struct TXrefEntryRec
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{
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char sEntryType;
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unsigned int nByteOffset;
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unsigned short nGenNo;
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void* pObj;
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} XrefEntryRec;
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typedef struct TXrefRec
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{
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MMgr oMMgr;
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Error oError;
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unsigned int nStartOffset;
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List pEntries;
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unsigned int nAddr;
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Xref pPrev;
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Dict oTrailer;
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} XrefRec;
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typedef Dict Pages;
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typedef Dict Page;
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typedef Dict Annotation;
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typedef Dict XObject;
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typedef Dict ImageDict;
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typedef Dict Outline;
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typedef Dict EncryptDict;
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typedef Dict Action;
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typedef Dict ExtGState;
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typedef Array Destination;
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XrefEntry XrefGetEntry (Xref pXref, unsigned int nIndex);
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void XrefFree (Xref pXref);
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Xref XrefNew (MMgr oMMgr, unsigned int nOffset);
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unsigned long XrefAdd (Xref pXref, void *pObj);
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XrefEntry XrefGetEntryByObjectId (Xref pXref, unsigned int nObjId);
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static unsigned long WriteTrailer (Xref pXref, StreamRecPtr pStream);
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unsigned long XrefWriteToStream (Xref pXref, StreamRecPtr pStream, EncryptRecPtr pEncrypt);
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// Основные функции для работы с объектами
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unsigned long ObjWriteValue (void *pObj, StreamRecPtr pStream, EncryptRecPtr pEncrypt);
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unsigned long ObjWrite (void *pObj, StreamRecPtr pStream, EncryptRecPtr pEncrypt);
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void ObjForceFree (MMgr oMMgr, void *pObj);
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void ObjFree (MMgr oMMgr, void *pObj);
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#endif /* _OBJECTS_H */
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