1 files changed, 189 insertions, 0 deletions
diff --git a/tvision/include/tv/helpbase.h b/tvision/include/tv/helpbase.h
new file mode 100644
index 0000000..cb898c2
--- /dev/null
+++ b/tvision/include/tv/helpbase.h
@@ -0,0 +1,189 @@
+/*
+ * helpbase.h
+ *
+ * Turbo Vision - Version 2.0
+ *
+ * Copyright (c) 1994 by Borland International
+ * All Rights Reserved.
+ *
+ * Modified by Sergio Sigala <ssigala@globalnet.it>
+ * Modified by Salvador E. Tropea <set@ieee.org>, <set@users.sourceforge.net>
+ */
+
+#if defined(Uses_THelpFile) && !defined(THelpFile_Included)
+#define THelpFile_Included
+
+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 CLY_EXPORT 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 CLY_EXPORT 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 CLY_EXPORT THelpFile : public TObject
+{
+
+    static const char * invalidContext;
+
+public:
+
+    THelpFile( fpstream& s );
+    virtual ~THelpFile();
+
+    virtual 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;
+
+#endif // Uses_THelpFile && !THelpFile_Included
+