home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
OS/2 Shareware BBS: 10 Tools
/
10-Tools.zip
/
tv20cpp.zip
/
tvision
/
helpbase.h
< prev
next >
Wrap
C/C++ Source or Header
|
1998-01-19
|
4KB
|
183 lines
/*
* helpbase.h
*
* Turbo Vision - Version 2.0
*
* Copyright (c) 1994 by Borland International
* All Rights Reserved.
*
* Modified by Sergio Sigala <ssigala@globalnet.it>
*/
const long magicHeader = 0x46484246L; //"FBHF"
#define cHelpViewer "\x06\x07\x08"
#define cHelpWindow "\x80\x81\x82\x83\x84\x85\x86\x87"
// TParagraph
class TParagraph
{
public:
TParagraph() {}
TParagraph *next;
Boolean wrap;
ushort size;
char *text;
};
// TCrossRef
class TCrossRef
{
public:
TCrossRef() {}
int ref;
int offset;
uchar length;
};
typedef void (*TCrossRefHandler) ( opstream&, int );
class THelpTopic: public TObject, public TStreamable
{
public:
THelpTopic();
THelpTopic( StreamableInit ) {};
virtual ~THelpTopic();
void addCrossRef( TCrossRef ref );
void addParagraph( TParagraph *p );
void getCrossRef( int i, TPoint& loc, uchar& length, int& ref );
char *getLine( int line, char *buffer, int buflen );
int getNumCrossRefs();
int numLines();
void setCrossRef( int i, TCrossRef& ref );
void setNumCrossRefs( int i );
void setWidth( int aWidth );
TParagraph *paragraphs;
int numRefs;
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& );
virtual void *read( ipstream& );
public:
static const char * const name;
static TStreamable *build();
};
inline ipstream& operator >> ( ipstream& is, THelpTopic& cl )
{ return is >> (TStreamable&)cl; }
inline ipstream& operator >> ( ipstream& is, THelpTopic*& cl )
{ return is >> (void *&)cl; }
inline opstream& operator << ( opstream& os, THelpTopic& cl )
{ return os << (TStreamable&)cl; }
inline opstream& operator << ( opstream& os, THelpTopic* cl )
{ return os << (TStreamable *)cl; }
// THelpIndex
class THelpIndex : public TObject, public TStreamable
{
public:
THelpIndex();
THelpIndex( StreamableInit ) {};
virtual ~THelpIndex();
long position( int );
void add( int, long );
ushort size;
long *index;
private:
const char *streamableName() const
{ return name; }
protected:
virtual void write( opstream& );
virtual void *read( ipstream& );
public:
static const char * const name;
static TStreamable *build();
};
inline ipstream& operator >> ( ipstream& is, THelpIndex& cl )
{ return is >> (TStreamable&)cl; }
inline ipstream& operator >> ( ipstream& is, THelpIndex*& cl )
{ return is >> (void *&)cl; }
inline opstream& operator << ( opstream& os, THelpIndex& cl )
{ return os << (TStreamable&)cl; }
inline opstream& operator << ( opstream& os, THelpIndex* cl )
{ return os << (TStreamable *)cl; }
// THelpFile
class THelpFile : public TObject
{
static const char * invalidContext;
public:
THelpFile( fpstream& s );
virtual ~THelpFile();
THelpTopic *getTopic( int );
THelpTopic *invalidTopic();
void recordPositionInIndex( int );
void putTopic( THelpTopic* );
fpstream *stream;
Boolean modified;
THelpIndex *index;
long indexPos;
};
extern void notAssigned( opstream& s, int value );
extern TCrossRefHandler crossRefHandler;