1 5f1cf8e6 2004-05-16 devnull enum slugtypes {
 2 5f1cf8e6 2004-05-16 devnull 	NONE,		// can't happen
 3 5f1cf8e6 2004-05-16 devnull 	VBOX,		// Vertical Box -- printable stuff
 4 5f1cf8e6 2004-05-16 devnull 	SP,		// paddable SPace
 5 5f1cf8e6 2004-05-16 devnull 	BS,		// start Breakable Stream
 6 5f1cf8e6 2004-05-16 devnull 	US,		// start Unbreakable Stream
 7 5f1cf8e6 2004-05-16 devnull 	BF,		// start Breakable Float
 8 5f1cf8e6 2004-05-16 devnull 	UF,		// start Unbreakable Float
 9 5f1cf8e6 2004-05-16 devnull 	PT,		// start Page Top material (header)
10 5f1cf8e6 2004-05-16 devnull 	BT,		// start page BoTtom material (footer)
11 5f1cf8e6 2004-05-16 devnull 	END,		// ENDs of groups
12 5f1cf8e6 2004-05-16 devnull 	NEUTRAL,	// NEUTRALized slugs can do no harm (cf. CIA)
13 5f1cf8e6 2004-05-16 devnull 	PAGE,		// beginning of PAGE in troff input
14 5f1cf8e6 2004-05-16 devnull 	TM,		// Terminal Message to appear during output
15 5f1cf8e6 2004-05-16 devnull 	COORD,		// output page COORDinates
16 5f1cf8e6 2004-05-16 devnull 	NE,		// NEed command
17 5f1cf8e6 2004-05-16 devnull 	MC,		// Multiple-Column command
18 5f1cf8e6 2004-05-16 devnull 	CMD,		// misc CoMmanDs:  FC, FL, BP
19 5f1cf8e6 2004-05-16 devnull 	PARM,		// misc PARaMeters:  NP, FO
20 5f1cf8e6 2004-05-16 devnull 	LASTTYPE	// can't happen either
21 5f1cf8e6 2004-05-16 devnull };
22 5f1cf8e6 2004-05-16 devnull 
23 5f1cf8e6 2004-05-16 devnull enum cmdtypes {
24 5f1cf8e6 2004-05-16 devnull 	FC,	// Freeze 2-Column material
25 5f1cf8e6 2004-05-16 devnull 	FL,	// FLush all floats before reading more stream
26 5f1cf8e6 2004-05-16 devnull 	BP	// Break Page
27 5f1cf8e6 2004-05-16 devnull };
28 5f1cf8e6 2004-05-16 devnull 
29 5f1cf8e6 2004-05-16 devnull enum parmtypes {
30 5f1cf8e6 2004-05-16 devnull 	NP,	// distance of top margin from page top (New Page)
31 5f1cf8e6 2004-05-16 devnull 	FO,	// distance of bottom margin from page top (FOoter)
32 5f1cf8e6 2004-05-16 devnull 	PL,	// distance of physical page bottom from page top (Page Length)
33 5f1cf8e6 2004-05-16 devnull 	MF,	// minimum fullness required for padding
34 5f1cf8e6 2004-05-16 devnull 	CT,	// tolerance for division into two columns
35 fa325e9b 2020-01-10 cross 	WARN,	// warnings to stderr?
36 5f1cf8e6 2004-05-16 devnull 	DBG	// debugging flag
37 5f1cf8e6 2004-05-16 devnull };
38 5f1cf8e6 2004-05-16 devnull 
39 5f1cf8e6 2004-05-16 devnull class slug {
40 5f1cf8e6 2004-05-16 devnull 	int	serialnum;
41 5f1cf8e6 2004-05-16 devnull 	int	dp;		// offset of data for this slug in inbuf
42 5f1cf8e6 2004-05-16 devnull 	int	linenum;	// input line number (approx) for this slug
43 5f1cf8e6 2004-05-16 devnull 	short	font;		// font in effect at slug beginning
44 5f1cf8e6 2004-05-16 devnull 	short	size;		// size in effect at slug beginning
45 5f1cf8e6 2004-05-16 devnull 	short	seen;		// 0 until output
46 5f1cf8e6 2004-05-16 devnull 	short	ncol;		// number of columns (1 or 2)
47 5f1cf8e6 2004-05-16 devnull 	short	offset;		// horizontal offset for 2 columns
48 5f1cf8e6 2004-05-16 devnull   public:
49 5f1cf8e6 2004-05-16 devnull 	short	type;		// VBOX, PP, etc.
50 5f1cf8e6 2004-05-16 devnull 	short	parm;		// parameter
51 5f1cf8e6 2004-05-16 devnull 	short	base;		// "depth" of this slug (from n command)
52 5f1cf8e6 2004-05-16 devnull 	int	hpos;		// abs horizontal position
53 5f1cf8e6 2004-05-16 devnull 	int	dv;		// height of this slug above its input Vpos
54 5f1cf8e6 2004-05-16 devnull 	union {
55 5f1cf8e6 2004-05-16 devnull 		int	ht;	// "height" of this slug (from n command)
56 5f1cf8e6 2004-05-16 devnull 		int	parm2;	// second parameter, since only VBOXes have ht
57 5f1cf8e6 2004-05-16 devnull 	};
58 5f1cf8e6 2004-05-16 devnull 	friend	slug getslug(FILE *);
59 5f1cf8e6 2004-05-16 devnull 	friend	void checkout();
60 5f1cf8e6 2004-05-16 devnull 	friend	slug eofslug();
61 5f1cf8e6 2004-05-16 devnull 	void	coalesce();	// with next slug in array slugs[]
62 5f1cf8e6 2004-05-16 devnull 	void	neutralize();	// render this one a no-op
63 5f1cf8e6 2004-05-16 devnull 	void	dump();		// dump its contents for debugging
64 5f1cf8e6 2004-05-16 devnull 	char	*headstr();	// string value of text
65 5f1cf8e6 2004-05-16 devnull 	void	slugout(int);	// add the slug to the output
66 5f1cf8e6 2004-05-16 devnull 	char	*typename();	// printable slug type
67 5f1cf8e6 2004-05-16 devnull 	int	serialno()	{ return serialnum; }
68 5f1cf8e6 2004-05-16 devnull 	int	numcol()	{ return ncol; }
69 5f1cf8e6 2004-05-16 devnull 	int	lineno()	{ return linenum; }
70 5f1cf8e6 2004-05-16 devnull };
71 5f1cf8e6 2004-05-16 devnull 
72 5f1cf8e6 2004-05-16 devnull // functions in slug.c
73 5f1cf8e6 2004-05-16 devnull slug	eofslug();
74 5f1cf8e6 2004-05-16 devnull slug	getslug(FILE *);