![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to roff.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [MW Coherent from dump] / coherent / b / bin / troff|
Return to roff.h CVS log | Up to [MW Coherent from dump] / coherent / b / bin / troff |
1.1 root 1: /*
2: * roff.h
3: * Nroff/Troff.
4: * Header file.
5: */
6:
7: #include <stdio.h>
8: #include <stdlib.h>
9: #include <string.h>
10: #include "code.h"
11: #include "codebug.h"
12: #include "div.h"
13: #include "env.h"
14: #include "escapes.h"
15: #include "fonts.h"
16: #include "hyphen.h"
17: #include "reg.h"
18: #include "request.h"
19: #include "str.h"
20:
21: #define VERSION "4.0.8"
22:
23: /* Buffer sizes. */
24: #define ABFSIZE 256 /* Size of argument buffer */
25: #define ASCSIZE 128 /* Size of ASCII character set */
26: #define CBFSIZE 128 /* Size of char buffer */
27: #ifdef GEMDOS
28: #define DBFSIZE 128 /* Size of disk buffer */
29: #else
30: #define DBFSIZE 128 /* Size of disk buffer */
31: #endif
32: #define MSCSIZE 256 /* Size of miscellaneous buffer */
33:
34: /* Types of justification. */
35: #define NJUS 0 /* None (marks end of table) */
36: #define LJUS 1 /* Left justification */
37: #define CJUS 2 /* Centre justification */
38: #define RJUS 3 /* Right justification */
39: #define FJUS 4 /* Filled justification */
40:
41: /*
42: * Unit measures.
43: * These use constants defined as globals in tty.c (nroff) or output.c (troff).
44: * The values are different for nroff and troff,
45: * but the same unlinked object works for both.
46: * Changing these to different manifest constants with a conditional
47: * compilation switch would require different unlinked objects.
48: */
49: #define SMCENT ((long) 50*sinmul) /* Centimetre (mul) */
50: #define SDCENT ((long) 127*sindiv) /* Centimetre (div) */
51: #define SMEMSP ((long) psz*semmul) /* Em space (mul) */
52: #define SDEMSP ((long) semdiv) /* Em space (div) */
53: #define SMENSP ((long) psz*senmul) /* En space (mul) */
54: #define SDENSP ((long) sendiv) /* En space (div) */
55: #define SMHRES ((long) shrmul) /* Horizontal resolution (mul) */
56: #define SDHRES ((long) shrdiv) /* Horizontal resolution (div) */
57: #define SMINCH ((long) sinmul) /* Inch (mul) */
58: #define SDINCH ((long) sindiv) /* Inch (div) */
59: #define SMNARS ((long) psz*snrmul) /* Narrow space (mul) */
60: #define SDNARS ((long) snrdiv) /* Narrow space (div) */
61: #define SMPICA ((long) sinmul) /* Pica (mul) */
62: #define SDPICA ((long) 6*sindiv) /* Pica (div) */
63: #define SMPOIN ((long) sinmul) /* Point (mul) */
64: #define SDPOIN ((long) 72*sindiv) /* Point (div) */
65: #define SMUNIT ((long) 1) /* Unit (mul) */
66: #define SDUNIT ((long) 1) /* Unit (div) */
67: #define SMVEMS ((long) psz) /* Vertical em space (mul) */
68: #define SDVEMS ((long) 1) /* Vertical em space (div) */
69: #define SMVLSP ((long) vls) /* Line space (mul) */
70: #define SDVLSP ((long) 1) /* Line space (div) */
71: #define SMVRES ((long) svrmul) /* Vertical resolution (mul) */
72: #define SDVRES ((long) svrdiv) /* Vertical resolution (div) */
73:
74: /* Miscellaneous. */
75: #define NROFF 1 /* Program is nroff */
76: #define TROFF 2 /* Program is troff */
77: #define IESTACKSIZE 20 /* .ie stack size */
78: #define INFINITY 32767
79:
80: /* Kludge to avoid hanging PostScript printer on very large files. */
81: #define ZKLUDGE 1 /* Include Zflag kludge */
82: #if ZKLUDGE
83: #define ZPAGES 25 /* Default Zflag value */
84: #endif
85:
86: /* System-dependent directory and file names. */
87: #ifdef MSDOS
88: /* MSDOS */
89: #define LIBDIR "\\usr\\lib\\roff\\" /* Configuration directory */
90: #define NRDIR "nroff\\" /* nroff subdirectory */
91: #define POST_L "_post_land" /* Landscape postfix filename */
92: #define POST_P "_post" /* Portrait postfix filename */
93: #define PRE_L "_pre_land" /* Landscape prefix filename */
94: #define PRE_P "_pre" /* Portrait prefix filename */
95: #define TMACDIR "\\usr\\lib\\" /* Macro library directory */
96: #define TMACFMT "%s.tmc" /* Macro filename format */
97: #define TMPLATE "roffX.tmp" /* Temp file template */
98: #define TPCLDIR "troff_pcl\\" /* PCL troff subdirectory */
99: #define TPSDIR "troff_ps\\" /* PS troff subdirectory */
100: #else
101: #ifdef GEMDOS
102: /* GEMDOS */
103: #define TMACDIR "\\bin\\"
104: #define TMACFMT "%s.tmc"
105: #else
106: /* COHERENT */
107: #define LIBDIR "/usr/lib/roff/" /* Configuration directory */
108: #define NRDIR "nroff/" /* nroff subdirectory */
109: #define POST_L ".post_land" /* Landscape postfix filename */
110: #define POST_P ".post" /* Portrait postfix filename */
111: #define PRE_L ".pre_land" /* Landscape prefix filename */
112: #define PRE_P ".pre" /* Portrait prefix filename */
113: #define TMACDIR "/usr/lib/" /* Macro library directory */
114: #define TMACFMT "tmac.%s" /* Macro filename format */
115: #define TMPLATE "/tmp/rofXXXXXX" /* Temp file template */
116: #define TPCLDIR "troff_pcl/" /* PCL troff subdirectory */
117: #define TPSDIR "troff_ps/" /* PS troff subdirectory */
118: #endif
119: #endif
120:
121: /* Roman numeral table. */
122: typedef struct {
123: char o_digit; /* Offset for digit */
124: char o_state; /* Next state */
125: } ROM;
126:
127: /* Special characters. */
128: typedef struct special {
129: struct special *spc_link; /* Link to next */
130: char spc_name[2]; /* Name */
131: char *spc_val; /* Value */
132: } SPECIAL;
133:
134: /*
135: * Device dependent variables,
136: * defined in tty.c (nroff) or output.c (troff).
137: */
138: extern int ntroff; /* Program type */
139: extern long semmul; /* Multiplier for em space */
140: extern long semdiv; /* Divisor for em space */
141: extern long senmul; /* Multiplier for en space */
142: extern long sendiv; /* Divisor for en space */
143: extern long shrmul; /* Horizontal resolution (mul) */
144: extern long shrdiv; /* Horizontal resolution (div) */
145: extern long sinmul; /* Multiplier for inch */
146: extern long sindiv; /* Divisor for inch */
147: extern long snrmul; /* Narrow space (mul) */
148: extern long snrdiv; /* Narrow space (div) */
149: extern long svrmul; /* Vertical resolution (mul) */
150: extern long svrdiv; /* Vertical resolution (div) */
151:
152: /* Global variables, defined in extern.c. */
153: extern int A_reg; /* .A register */
154: extern int a_reg; /* .a register */
155: extern char *argv0; /* "nroff" or "troff" */
156: extern int bracelevel; /* Level of \{ \} nesting */
157: extern int byeflag; /* True when exiting */
158: extern int dbglvl; /* Debug level */
159: extern int dflag; /* Debug flag */
160: extern char diskbuf[DBFSIZE]; /* Disk buffer for temp file */
161: extern char endtrap[2]; /* End macro name */
162: extern char esc; /* Escape character */
163: extern int escflag; /* Last character was escaped */
164: extern int iestack[IESTACKSIZE]; /* .ie condition stack */
165: extern int iestackx; /* .ie condition stack index */
166: extern int infalse; /* True in false conditional */
167: extern int lflag; /* Landscape mode */
168: extern char miscbuf[MSCSIZE]; /* Miscellaneous buffer */
169: extern int nbrflag; /* Don't allow command to break */
170: extern unsigned npn; /* Next page number */
171: extern int n_reg; /* .n register */
172: extern int oldbracelevel; /* Old level of \{ \} nesting */
173: extern int oldpof; /* Old page offset */
174: extern unsigned pct; /* Page counter */
175: extern int pflag; /* Generate PostScript output */
176: extern unsigned pgl; /* Page length */
177: extern int pof; /* Page offset */
178: extern SPECIAL *spc_list; /* Special characters */
179: extern int svs; /* Saved space */
180: extern FILE *tmp; /* Temp file pointer */
181: extern unsigned long tmpseek; /* Pointer into temp file */
182: extern int T_reg; /* .T register */
183: extern int varsp; /* Variable spacing */
184: extern int xflag; /* Suppress page eject on exit */
185: #if ZKLUDGE
186: extern int Zflag; /* PS save/restore kludge */
187: #endif
188:
189: /* Global tables, defined in tables.c. */
190: extern char esctab[];
191: extern char *mapfont[];
192: extern REQ reqtab[];
193: extern ROM romtab[];
194: extern char trantab[];
195:
196: /* Functions. */
197: extern STR *allstr();
198: extern char *duplstr();
199: extern REG *findreg();
200: extern void font_display();
201: extern REG *getnreg();
202: extern REG *makereg();
203: extern char *nalloc();
204: extern char *nextarg();
205: extern void resetdev();
206: extern SPECIAL *spc_find();
207:
208: /* Library functions. */
209: extern long lseek();
210:
211: /* end of roff.h */
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.