mirror of
https://github.com/reactos/reactos.git
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211 lines
7.1 KiB
C
211 lines
7.1 KiB
C
/*
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* Help Viewer
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*
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* Copyright 1996 Ulrich Schmid
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* 2002, 2008 Eric Pouech
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* 2007 Kirill K. Smirnov
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#pragma once
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struct tagHelpFile;
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typedef struct
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{
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char type[10];
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char name[9];
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char caption[51];
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POINT origin;
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SIZE size;
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int style;
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DWORD win_style;
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COLORREF sr_color; /* color for scrollable region */
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COLORREF nsr_color; /* color for non scrollable region */
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} HLPFILE_WINDOWINFO;
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typedef struct tagHlpFileLink
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{
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enum {hlp_link_link, hlp_link_popup, hlp_link_macro} cookie;
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LPCSTR string; /* name of the file to for the link (NULL if same file) */
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LONG hash; /* topic index */
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unsigned bClrChange : 1; /* true if the link is green & underlined */
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unsigned bHotSpot : 1; /* true if the link is an hotspot (actually HLPFILE_HOTSPOTLINK) */
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unsigned window; /* window number for displaying the link (-1 is current) */
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DWORD cpMin;
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DWORD cpMax;
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struct tagHlpFileLink* next;
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} HLPFILE_LINK;
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typedef struct tagHlpFileHotSpotLink
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{
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HLPFILE_LINK link;
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unsigned x;
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unsigned y;
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unsigned width;
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unsigned height;
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} HLPFILE_HOTSPOTLINK;
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typedef struct tagHlpFileMacro
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{
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LPCSTR lpszMacro;
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struct tagHlpFileMacro* next;
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} HLPFILE_MACRO;
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typedef struct tagHlpFilePage
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{
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LPSTR lpszTitle;
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HLPFILE_MACRO* first_macro;
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HLPFILE_LINK* first_link;
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unsigned wNumber;
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unsigned offset;
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DWORD reference;
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struct tagHlpFilePage* next;
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struct tagHlpFilePage* prev;
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DWORD browse_bwd;
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DWORD browse_fwd;
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struct tagHlpFileFile* file;
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} HLPFILE_PAGE;
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typedef struct
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{
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LONG lMap;
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unsigned long offset;
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} HLPFILE_MAP;
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typedef struct
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{
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LOGFONTA LogFont;
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HFONT hFont;
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COLORREF color;
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} HLPFILE_FONT;
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typedef struct tagHlpFileFile
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{
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BYTE* file_buffer;
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UINT file_buffer_size;
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LPSTR lpszPath;
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LPSTR lpszTitle;
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LPSTR lpszCopyright;
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HLPFILE_PAGE* first_page;
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HLPFILE_PAGE* last_page;
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HLPFILE_MACRO* first_macro;
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BYTE* Context;
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BYTE* kwbtree;
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BYTE* kwdata;
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unsigned wMapLen;
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HLPFILE_MAP* Map;
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unsigned wTOMapLen;
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unsigned* TOMap;
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unsigned long contents_start;
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struct tagHlpFileFile* prev;
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struct tagHlpFileFile* next;
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unsigned wRefCount;
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unsigned short version;
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unsigned short flags;
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unsigned short charset;
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unsigned short tbsize; /* topic block size */
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unsigned short dsize; /* decompress size */
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BOOL compressed;
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BOOL hasPhrases; /* file has |Phrases */
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BOOL hasPhrases40; /* file has |PhrIndex/|PhrImage */
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UINT num_phrases;
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unsigned* phrases_offsets;
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char* phrases_buffer;
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BYTE** topic_map;
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BYTE* topic_end;
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UINT topic_maplen;
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unsigned numBmps;
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HBITMAP* bmps;
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unsigned numFonts;
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HLPFILE_FONT* fonts;
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unsigned numWindows;
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HLPFILE_WINDOWINFO* windows;
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HICON hIcon;
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BOOL has_popup_color;
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COLORREF popup_color;
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LPSTR help_on_file;
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int scale;
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int rounderr;
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} HLPFILE;
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/*
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* Compare function type for HLPFILE_BPTreeSearch function.
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*
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* PARAMS
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* p [I] pointer to testing block (key + data)
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* key [I] pointer to key value to look for
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* leaf [I] whether this function called for index of leaf page
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* next [O] pointer to pointer to next block
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*/
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typedef int (*HLPFILE_BPTreeCompare)(void *p, const void *key,
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int leaf, void **next);
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/*
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* Callback function type for HLPFILE_BPTreeEnum function.
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*
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* PARAMS
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* p [I] pointer to data block
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* next [O] pointer to pointer to next block
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* cookie [IO] cookie data
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*/
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typedef void (*HLPFILE_BPTreeCallback)(void *p, void **next, void *cookie);
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HLPFILE* HLPFILE_ReadHlpFile(LPCSTR lpszPath);
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HLPFILE_PAGE* HLPFILE_PageByHash(HLPFILE* hlpfile, LONG lHash, ULONG* relative);
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HLPFILE_PAGE* HLPFILE_PageByMap(HLPFILE* hlpfile, LONG lMap, ULONG* relative);
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HLPFILE_PAGE* HLPFILE_PageByOffset(HLPFILE* hlpfile, LONG offset, ULONG* relative);
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LONG HLPFILE_Hash(LPCSTR lpszContext);
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void HLPFILE_FreeHlpFile(HLPFILE*);
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void HLPFILE_BPTreeEnum(BYTE*, HLPFILE_BPTreeCallback cb, void *cookie);
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struct RtfData {
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BOOL in_text;
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char* data; /* RTF stream start */
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char* ptr; /* current position in stream */
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unsigned allocated; /* overall allocated size */
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unsigned char_pos; /* current char position (in richedit) */
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char* where; /* pointer to feed back richedit */
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unsigned font_scale; /* how to scale fonts */
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HLPFILE_LINK*first_link;
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HLPFILE_LINK*current_link;
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BOOL force_color;
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unsigned relative; /* offset within page to lookup for */
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unsigned char_pos_rel; /* char_pos correspondinf to relative */
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};
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BOOL HLPFILE_BrowsePage(HLPFILE_PAGE*, struct RtfData* rd,
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unsigned font_scale, unsigned relative);
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#define HLP_DISPLAY30 0x01 /* version 3.0 displayable information */
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#define HLP_TOPICHDR 0x02 /* topic header information */
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#define HLP_DISPLAY 0x20 /* version 3.1 displayable information */
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#define HLP_TABLE 0x23 /* version 3.1 table */
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