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|
/*
* helpbase.h
*
* Turbo Vision - Version 2.0
*
* Copyright (c) 1994 by Borland International
* All Rights Reserved.
*
* Modified by Sergio Sigala <sergio@sigala.it>
*/
/** \file helpbase.h
* helpbase.h
*/
/**
* Undocumented.
*/
const long magicHeader = 0x46484246L; //"FBHF"
#define cHelpViewer "\x06\x07\x08"
#define cHelpWindow "\x80\x81\x82\x83\x84\x85\x86\x87"
// TParagraph
/**
* Part of the help system.
* @short Part of the help system
*/
class TParagraph
{
public:
/**
* Undocumented.
*/
TParagraph() {}
/**
* Undocumented.
*/
TParagraph *next;
/**
* Undocumented.
*/
Boolean wrap;
/**
* Undocumented.
*/
ushort size;
/**
* Undocumented.
*/
char *text;
};
// TCrossRef
/**
* Part of the help system.
* @short Part of the help system
*/
class TCrossRef
{
public:
/**
* Undocumented.
*/
TCrossRef() {}
/**
* Undocumented.
*/
int ref;
/**
* Undocumented.
*/
int offset;
/**
* Undocumented.
*/
uchar length;
};
/**
* Undocumented.
*/
typedef void (*TCrossRefHandler) ( opstream&, int );
/**
* Part of the help system.
* @short Part of the help system
*/
class THelpTopic: public TObject, public TStreamable
{
public:
/**
* Undocumented.
*/
THelpTopic();
/**
* Undocumented.
*/
THelpTopic( StreamableInit ) {};
/**
* Undocumented.
*/
virtual ~THelpTopic();
/**
* Undocumented.
*/
void addCrossRef( TCrossRef ref );
/**
* Undocumented.
*/
void addParagraph( TParagraph *p );
/**
* Undocumented.
*/
void getCrossRef( int i, TPoint& loc, uchar& length, int& ref );
/**
* Undocumented.
*/
char *getLine( int line, char *buffer, int buflen );
/**
* Undocumented.
*/
int getNumCrossRefs();
/**
* Undocumented.
*/
int numLines();
/**
* Undocumented.
*/
void setCrossRef( int i, TCrossRef& ref );
/**
* Undocumented.
*/
void setNumCrossRefs( int i );
/**
* Undocumented.
*/
void setWidth( int aWidth );
/**
* Undocumented.
*/
TParagraph *paragraphs;
/**
* Undocumented.
*/
int numRefs;
/**
* Undocumented.
*/
TCrossRef *crossRefs;
private:
char *wrapText( char *text, int size, int& offset, Boolean wrap, char *lineBuf, int lineBufLen );
void readParagraphs( ipstream& s );
void readCrossRefs( ipstream& s );
void writeParagraphs( opstream& s );
void writeCrossRefs( opstream& s );
void disposeParagraphs();
const char *streamableName() const
{ return name; }
int width;
int lastOffset;
int lastLine;
TParagraph *lastParagraph;
protected:
virtual void write( opstream& os );
virtual void *read( ipstream& is );
public:
/**
* Undocumented.
*/
static const char * const name;
/**
* Undocumented.
*/
static TStreamable *build();
};
/**
* Undocumented.
*/
inline ipstream& operator >> ( ipstream& is, THelpTopic& cl )
{ return is >> (TStreamable&)cl; }
/**
* Undocumented.
*/
inline ipstream& operator >> ( ipstream& is, THelpTopic*& cl )
{ return is >> (void *&)cl; }
/**
* Undocumented.
*/
inline opstream& operator << ( opstream& os, THelpTopic& cl )
{ return os << (TStreamable&)cl; }
/**
* Undocumented.
*/
inline opstream& operator << ( opstream& os, THelpTopic* cl )
{ return os << (TStreamable *)cl; }
// THelpIndex
/**
* Part of the help system.
* @short Part of the help system
*/
class THelpIndex : public TObject, public TStreamable
{
public:
/**
* Undocumented.
*/
THelpIndex();
/**
* Undocumented.
*/
THelpIndex( StreamableInit ) {};
/**
* Undocumented.
*/
virtual ~THelpIndex();
/**
* Undocumented.
*/
long position( int );
/**
* Undocumented.
*/
void add( int, long );
/**
* Undocumented.
*/
ushort size;
/**
* Undocumented.
*/
long *index;
private:
const char *streamableName() const
{ return name; }
protected:
virtual void write( opstream& os );
virtual void *read( ipstream& is );
public:
/**
* Undocumented.
*/
static const char * const name;
/**
* Undocumented.
*/
static TStreamable *build();
};
/**
* Undocumented.
*/
inline ipstream& operator >> ( ipstream& is, THelpIndex& cl )
{ return is >> (TStreamable&)cl; }
/**
* Undocumented.
*/
inline ipstream& operator >> ( ipstream& is, THelpIndex*& cl )
{ return is >> (void *&)cl; }
/**
* Undocumented.
*/
inline opstream& operator << ( opstream& os, THelpIndex& cl )
{ return os << (TStreamable&)cl; }
/**
* Undocumented.
*/
inline opstream& operator << ( opstream& os, THelpIndex* cl )
{ return os << (TStreamable *)cl; }
// THelpFile
/**
* Part of the help system.
* @short Part of the help system
*/
class THelpFile : public TObject
{
static const char * invalidContext;
public:
/**
* Undocumented.
*/
THelpFile( fpstream& s );
/**
* Undocumented.
*/
virtual ~THelpFile();
/**
* Undocumented.
*/
THelpTopic *getTopic( int );
/**
* Undocumented.
*/
THelpTopic *invalidTopic();
/**
* Undocumented.
*/
void recordPositionInIndex( int );
/**
* Undocumented.
*/
void putTopic( THelpTopic* );
/**
* Undocumented.
*/
fpstream *stream;
/**
* Undocumented.
*/
Boolean modified;
/**
* Undocumented.
*/
THelpIndex *index;
/**
* Undocumented.
*/
long indexPos;
};
/**
* Undocumented.
*/
extern void notAssigned( opstream& s, int value );
/**
* Undocumented.
*/
extern TCrossRefHandler crossRefHandler;
|
