projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| cc057ced TL |
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 | } |