mirror of
https://github.com/VCMP-SqMod/SqMod.git
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4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
281 lines
6.5 KiB
C
281 lines
6.5 KiB
C
/*
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* << Haru Free PDF Library >> -- hpdf_streams.h
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*
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* URL: http://libharu.org
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*
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* Copyright (c) 1999-2006 Takeshi Kanno <takeshi_kanno@est.hi-ho.ne.jp>
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* Copyright (c) 2007-2009 Antony Dovgal <tony@daylessday.org>
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation.
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* It is provided "as is" without express or implied warranty.
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*
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* 2005.12.20 Created.
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*
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*/
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#ifndef _HPDF_STREAMS_H
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#define _HPDF_STREAMS_H
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#include "hpdf_list.h"
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#include "hpdf_encrypt.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define HPDF_STREAM_SIG_BYTES 0x5354524DL
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typedef enum _HPDF_StreamType {
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HPDF_STREAM_UNKNOWN = 0,
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HPDF_STREAM_CALLBACK,
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HPDF_STREAM_FILE,
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HPDF_STREAM_MEMORY
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} HPDF_StreamType;
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#define HPDF_STREAM_FILTER_NONE 0x0000
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#define HPDF_STREAM_FILTER_ASCIIHEX 0x0100
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#define HPDF_STREAM_FILTER_ASCII85 0x0200
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#define HPDF_STREAM_FILTER_FLATE_DECODE 0x0400
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#define HPDF_STREAM_FILTER_DCT_DECODE 0x0800
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#define HPDF_STREAM_FILTER_CCITT_DECODE 0x1000
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typedef enum _HPDF_WhenceMode {
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HPDF_SEEK_SET = 0,
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HPDF_SEEK_CUR,
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HPDF_SEEK_END
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} HPDF_WhenceMode;
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typedef struct _HPDF_Stream_Rec *HPDF_Stream;
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typedef HPDF_STATUS
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(*HPDF_Stream_Write_Func) (HPDF_Stream stream,
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const HPDF_BYTE *ptr,
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HPDF_UINT siz);
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typedef HPDF_STATUS
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(*HPDF_Stream_Read_Func) (HPDF_Stream stream,
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HPDF_BYTE *ptr,
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HPDF_UINT *siz);
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typedef HPDF_STATUS
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(*HPDF_Stream_Seek_Func) (HPDF_Stream stream,
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HPDF_INT pos,
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HPDF_WhenceMode mode);
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typedef HPDF_INT32
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(*HPDF_Stream_Tell_Func) (HPDF_Stream stream);
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typedef void
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(*HPDF_Stream_Free_Func) (HPDF_Stream stream);
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typedef HPDF_UINT32
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(*HPDF_Stream_Size_Func) (HPDF_Stream stream);
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typedef struct _HPDF_MemStreamAttr_Rec *HPDF_MemStreamAttr;
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typedef struct _HPDF_MemStreamAttr_Rec {
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HPDF_List buf;
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HPDF_UINT buf_siz;
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HPDF_UINT w_pos;
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HPDF_BYTE *w_ptr;
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HPDF_UINT r_ptr_idx;
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HPDF_UINT r_pos;
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HPDF_BYTE *r_ptr;
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} HPDF_MemStreamAttr_Rec;
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typedef struct _HPDF_Stream_Rec {
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HPDF_UINT32 sig_bytes;
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HPDF_StreamType type;
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HPDF_MMgr mmgr;
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HPDF_Error error;
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HPDF_UINT size;
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HPDF_Stream_Write_Func write_fn;
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HPDF_Stream_Read_Func read_fn;
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HPDF_Stream_Seek_Func seek_fn;
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HPDF_Stream_Free_Func free_fn;
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HPDF_Stream_Tell_Func tell_fn;
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HPDF_Stream_Size_Func size_fn;
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void* attr;
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} HPDF_Stream_Rec;
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HPDF_Stream
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HPDF_MemStream_New (HPDF_MMgr mmgr,
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HPDF_UINT buf_siz);
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HPDF_BYTE*
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HPDF_MemStream_GetBufPtr (HPDF_Stream stream,
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HPDF_UINT index,
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HPDF_UINT *length);
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HPDF_UINT
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HPDF_MemStream_GetBufSize (HPDF_Stream stream);
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HPDF_UINT
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HPDF_MemStream_GetBufCount (HPDF_Stream stream);
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HPDF_STATUS
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HPDF_MemStream_Rewrite (HPDF_Stream stream,
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HPDF_BYTE *buf,
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HPDF_UINT size);
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void
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HPDF_MemStream_FreeData (HPDF_Stream stream);
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HPDF_STATUS
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HPDF_Stream_WriteToStream (HPDF_Stream src,
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HPDF_Stream dst,
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HPDF_UINT filter,
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HPDF_Encrypt e);
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HPDF_Stream
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HPDF_FileReader_New (HPDF_MMgr mmgr,
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const char *fname);
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HPDF_Stream
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HPDF_FileWriter_New (HPDF_MMgr mmgr,
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const char *fname);
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HPDF_Stream
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HPDF_CallbackReader_New (HPDF_MMgr mmgr,
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HPDF_Stream_Read_Func read_fn,
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HPDF_Stream_Seek_Func seek_fn,
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HPDF_Stream_Tell_Func tell_fn,
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HPDF_Stream_Size_Func size_fn,
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void* data);
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HPDF_Stream
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HPDF_CallbackWriter_New (HPDF_MMgr mmgr,
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HPDF_Stream_Write_Func write_fn,
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void* data);
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void
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HPDF_Stream_Free (HPDF_Stream stream);
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HPDF_STATUS
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HPDF_Stream_WriteChar (HPDF_Stream stream,
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char value);
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HPDF_STATUS
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HPDF_Stream_WriteStr (HPDF_Stream stream,
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const char *value);
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HPDF_STATUS
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HPDF_Stream_WriteUChar (HPDF_Stream stream,
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HPDF_BYTE value);
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HPDF_STATUS
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HPDF_Stream_WriteInt (HPDF_Stream stream,
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HPDF_INT value);
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HPDF_STATUS
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HPDF_Stream_WriteUInt (HPDF_Stream stream,
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HPDF_UINT value);
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HPDF_STATUS
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HPDF_Stream_WriteReal (HPDF_Stream stream,
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HPDF_REAL value);
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HPDF_STATUS
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HPDF_Stream_Write (HPDF_Stream stream,
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const HPDF_BYTE *ptr,
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HPDF_UINT size);
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HPDF_STATUS
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HPDF_Stream_Read (HPDF_Stream stream,
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HPDF_BYTE *ptr,
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HPDF_UINT *size);
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HPDF_STATUS
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HPDF_Stream_ReadLn (HPDF_Stream stream,
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char *s,
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HPDF_UINT *size);
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HPDF_INT32
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HPDF_Stream_Tell (HPDF_Stream stream);
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HPDF_STATUS
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HPDF_Stream_Seek (HPDF_Stream stream,
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HPDF_INT pos,
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HPDF_WhenceMode mode);
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HPDF_BOOL
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HPDF_Stream_EOF (HPDF_Stream stream);
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HPDF_UINT32
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HPDF_Stream_Size (HPDF_Stream stream);
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HPDF_STATUS
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HPDF_Stream_Flush (HPDF_Stream stream);
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HPDF_STATUS
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HPDF_Stream_WriteEscapeName (HPDF_Stream stream,
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const char *value);
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HPDF_STATUS
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HPDF_Stream_WriteEscapeText2 (HPDF_Stream stream,
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const char *text,
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HPDF_UINT len);
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HPDF_STATUS
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HPDF_Stream_WriteEscapeText (HPDF_Stream stream,
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const char *text);
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HPDF_STATUS
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HPDF_Stream_WriteBinary (HPDF_Stream stream,
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const HPDF_BYTE *data,
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HPDF_UINT len,
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HPDF_Encrypt e);
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HPDF_STATUS
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HPDF_Stream_Validate (HPDF_Stream stream);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* _HPDF_STREAMS_H */
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