Commit | Line | Data |
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f42b14c5 BK |
1 | # include "e.h" |
2 | # include "e.def" | |
3 | ||
4 | int csp; | |
5 | int psp; | |
6 | #define CSSIZE 400 | |
7 | char cs[420]; | |
8 | ||
9 | int lf, rf; /* temporary spots for left and right fonts */ | |
10 | ||
11 | text(t,p1) int t; char *p1; { | |
12 | int c; | |
13 | char *p; | |
14 | tbl *tp, *lookup(); | |
15 | extern tbl *restbl; | |
16 | ||
17 | yyval = oalloc(); | |
18 | ebase[yyval] = 0; | |
19 | eht[yyval] = VERT(6 * ((ps>6)?ps:6)); /* ht in machine units */ | |
20 | lfont[yyval] = rfont[yyval] = ROM; | |
21 | if (t == QTEXT) | |
22 | p = p1; | |
23 | else if ( t == SPACE ) | |
24 | p = "\\ "; | |
25 | else if ( t == THIN ) | |
26 | p = "\\|"; | |
27 | else if ( t == TAB ) | |
28 | p = "\\t"; | |
29 | else if ((tp = lookup(&restbl, p1, NULL)) != NULL) | |
30 | p = tp->defn; | |
31 | else { | |
32 | lf = rf = 0; | |
33 | for (csp=psp=0; (c=p1[psp++])!='\0';) { | |
34 | rf = trans(c, p1); | |
35 | if (lf == 0) | |
36 | lf = rf; /* save first */ | |
37 | if (csp>CSSIZE) | |
38 | error(FATAL,"converted token %.25s... too long",p1); | |
39 | } | |
40 | cs[csp] = '\0'; | |
41 | p = cs; | |
42 | lfont[yyval] = lf; | |
43 | rfont[yyval] = rf; | |
44 | } | |
45 | if(dbg)printf(".\t%dtext: S%d <- %s; b=%d,h=%d,lf=%c,rf=%c\n", | |
46 | t, yyval, p, ebase[yyval], eht[yyval], lfont[yyval], rfont[yyval]); | |
47 | printf(".ds %d \"%s\n", yyval, p); | |
48 | } | |
49 | ||
50 | trans(c,p1) int c; char *p1; { | |
51 | int f; | |
52 | f = ROM; | |
53 | switch( c) { | |
54 | case '0': case '1': case '2': case '3': case '4': | |
55 | case '5': case '6': case '7': case '8': case '9': | |
56 | case ':': case ';': case '!': case '%': | |
57 | case '(': case '[': case ')': case ']': | |
58 | case ',': | |
59 | if (rf == ITAL) | |
60 | shim(); | |
61 | roman(c); break; | |
62 | case '.': | |
63 | if (rf == ROM) | |
64 | roman(c); | |
65 | else | |
66 | cs[csp++] = c; | |
67 | f = rf; | |
68 | break; | |
69 | case '|': | |
70 | if (rf == ITAL) | |
71 | shim(); | |
72 | shim(); roman(c); shim(); break; | |
73 | case '=': | |
74 | if (rf == ITAL) | |
75 | shim(); | |
76 | name4('e','q'); | |
77 | break; | |
78 | case '+': | |
79 | if (rf == ITAL) | |
80 | shim(); | |
81 | name4('p', 'l'); | |
82 | break; | |
83 | case '>': case '<': | |
84 | if (rf == ITAL) | |
85 | shim(); | |
86 | if (p1[psp]=='=') { /* look ahead for == <= >= */ | |
87 | name4(c,'='); | |
88 | psp++; | |
89 | } else { | |
90 | cs[csp++] = c; | |
91 | } | |
92 | break; | |
93 | case '-': | |
94 | if (rf == ITAL) | |
95 | shim(); | |
96 | if (p1[psp]=='>') { | |
97 | name4('-','>'); psp++; | |
98 | } else { | |
99 | name4('m','i'); | |
100 | } | |
101 | break; | |
102 | case '/': | |
103 | if (rf == ITAL) | |
104 | shim(); | |
105 | name4('s','l'); | |
106 | break; | |
107 | case '~': case ' ': | |
108 | shim(); shim(); break; | |
109 | case '^': | |
110 | shim(); break; | |
111 | case '\\': /* troff - pass 2 or 3 more chars */ | |
112 | if (rf == ITAL) | |
113 | shim(); | |
114 | cs[csp++] = c; cs[csp++] = c = p1[psp++]; cs[csp++] = p1[psp++]; | |
115 | if (c=='(') cs[csp++] = p1[psp++]; | |
116 | if (c=='*' && cs[csp-1] == '(') { | |
117 | cs[csp++] = p1[psp++]; | |
118 | cs[csp++] = p1[psp++]; | |
119 | } | |
120 | break; | |
121 | case '\'': | |
122 | cs[csp++] = '\\'; cs[csp++] = 'f'; cs[csp++] = rf==ITAL ? ITAL : ROM; | |
123 | name4('f','m'); | |
124 | cs[csp++] = '\\'; cs[csp++] = 'f'; cs[csp++] = 'P'; | |
125 | f = rf==ITAL ? ITAL : ROM; | |
126 | break; | |
127 | ||
128 | case 'f': | |
129 | if (ft == ITAL) { | |
130 | cs[csp++] = '\\'; cs[csp++] = '^'; | |
131 | cs[csp++] = 'f'; | |
132 | cs[csp++] = '\\'; cs[csp++] = '|'; /* trying | instead of ^ */ | |
133 | f = ITAL; | |
134 | } | |
135 | else | |
136 | cs[csp++] = 'f'; | |
137 | break; | |
138 | case 'j': | |
139 | if (ft == ITAL) { | |
140 | cs[csp++] = '\\'; cs[csp++] = '^'; | |
141 | cs[csp++] = 'j'; | |
142 | f = ITAL; | |
143 | } | |
144 | else | |
145 | cs[csp++] = 'j'; | |
146 | break; | |
147 | default: | |
148 | cs[csp++] = c; | |
149 | f = ft==ITAL ? ITAL : ROM; | |
150 | break; | |
151 | } | |
152 | return(f); | |
153 | } | |
154 | ||
155 | shim() { | |
156 | cs[csp++] = '\\'; cs[csp++] = '|'; | |
157 | } | |
158 | ||
159 | roman(c) int c; { | |
160 | cs[csp++] = '\\'; cs[csp++] = 'f'; cs[csp++] = ROM; | |
161 | cs[csp++] = c; | |
162 | cs[csp++] = '\\'; cs[csp++] = 'f'; cs[csp++] = 'P'; | |
163 | } | |
164 | ||
165 | name4(c1,c2) int c1,c2; { | |
166 | cs[csp++] = '\\'; | |
167 | cs[csp++] = '('; | |
168 | cs[csp++] = c1; | |
169 | cs[csp++] = c2; | |
170 | } |