1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
#include <u.h>
#include <libc.h>
#include <bio.h>
#include <ctype.h>
#include "common.h"
#include "tr2post.h"
#include "comments.h"
#include "path.h"
char *printdesclang = 0;
char *encoding = 0;
int devres;
int unitwidth;
int nspechars = 0;
struct charent spechars[MAXSPECHARS];
#define NDESCTOKS 9
static char *desctoks[NDESCTOKS] = {
"PDL",
"Encoding",
"fonts",
"sizes",
"res",
"hor",
"vert",
"unitwidth",
"charset"
};
char *spechar[MAXSPECHARS];
int
hash(char *s, int l) {
unsigned i;
for (i=0; *s; s++)
i = i*10 + *s;
return(i % l);
}
BOOLEAN
readDESC(void) {
char token[MAXTOKENSIZE];
char *descnameformat = "%s/dev%s/DESC";
char *descfilename = 0;
Biobuf *bfd;
Biobuf *Bfd;
int i, state = -1;
int fontindex = 0;
if (debug) Bprint(Bstderr, "readDESC()\n");
descfilename = galloc(descfilename, strlen(descnameformat)+strlen(FONTDIR)
+strlen(devname), "readdesc");
sprint(descfilename, descnameformat, FONTDIR, devname);
if ((bfd = Bopen(unsharp(descfilename), OREAD)) == 0) {
error(WARNING, "cannot open file %s\n", descfilename);
return(0);
}
Bfd = bfd; /* &(bfd->Biobufhdr); */
while (Bgetfield(Bfd, 's', token, MAXTOKENSIZE) > 0) {
for (i=0; i<NDESCTOKS; i++) {
if (strcmp(desctoks[i], token) == 0) {
state = i;
break;
}
}
if (i<NDESCTOKS) continue;
switch (state) {
case 0:
printdesclang=galloc(printdesclang, strlen(token)+1, "readdesc:");
strcpy(printdesclang, token);
if (debug) Bprint(Bstderr, "PDL %s\n", token);
break;
case 1:
encoding=galloc(encoding, strlen(token)+1, "readdesc:");
strcpy(encoding, token);
if (debug) Bprint(Bstderr, "encoding %s\n", token);
break;
case 2:
if (fontmnt <=0) {
if (!isdigit((uchar)*token)) {
error(WARNING, "readdesc: expecting number of fonts in mount table.\n");
return(FALSE);
}
fontmnt = atoi(token) + 1;
fontmtab = galloc(fontmtab, fontmnt*sizeof(char *), "readdesc:");
for (i=0; i<fontmnt; i++)
fontmtab[i] = 0;
fontindex = 0;
} else {
mountfont(++fontindex, token);
findtfn(token, TRUE);
}
break;
case 3:
/* I don't really care about sizes */
break;
case 4:
/* device resolution in dots per inch */
if (!isdigit((uchar)*token)) {
error(WARNING, "readdesc: expecting device resolution.\n");
return(FALSE);
}
devres = atoi(token);
if (debug) Bprint(Bstderr, "res %d\n", devres);
break;
case 5:
/* I don't really care about horizontal motion resolution */
if (debug) Bprint(Bstderr, "ignoring horizontal resolution\n");
break;
case 6:
/* I don't really care about vertical motion resolution */
if (debug) Bprint(Bstderr, "ignoring vertical resolution\n");
break;
case 7:
/* unitwidth is the font size at which the character widths are 1:1 */
if (!isdigit((uchar)*token)) {
error(WARNING, "readdesc: expecting unitwidth.\n");
return(FALSE);
}
unitwidth = atoi(token);
if (debug) Bprint(Bstderr, "unitwidth %d\n", unitwidth);
break;
case 8:
/* I don't really care about this list of special characters */
if (debug) Bprint(Bstderr, "ignoring special character <%s>\n", token);
break;
default:
if (*token == '#')
Brdline(Bfd, '\n');
else
error(WARNING, "unknown token %s in DESC file.\n", token);
break;
}
}
Bterm(Bfd);
return 0;
}
|