projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 42d6e430 BJ |
1 | /* t5.c: read data for table */ |
| 2 | # include "t..c" | |
| 3 | gettbl() | |
| 4 | { | |
| 5 | int icol, ch; | |
| 6 | cstore=cspace= chspace(); | |
| 7 | textflg=0; | |
| 8 | for (nlin=nslin=0; gets1(cstore); nlin++) | |
| 9 | { | |
| 10 | stynum[nlin]=nslin; | |
| 11 | if (prefix(".TE", cstore)) | |
| 12 | { | |
| 13 | leftover=0; | |
| 14 | break; | |
| 15 | } | |
| 16 | if (prefix(".TC", cstore) || prefix(".T&", cstore)) | |
| 17 | { | |
| 18 | readspec(); | |
| 19 | nslin++; | |
| 20 | } | |
| 21 | if (nlin>=MAXLIN) | |
| 22 | { | |
| 23 | leftover=cstore; | |
| 24 | break; | |
| 25 | } | |
| 26 | fullbot[nlin]=0; | |
| 27 | if (cstore[0] == '.' && !isdigit(cstore[1])) | |
| 28 | { | |
| 29 | instead[nlin] = cstore; | |
| 30 | while (*cstore++); | |
| 31 | continue; | |
| 32 | } | |
| 33 | else instead[nlin] = 0; | |
| 34 | if (nodata(nlin)) | |
| 35 | { | |
| 36 | if (ch = oneh(nlin)) | |
| 37 | fullbot[nlin]= ch; | |
| 38 | nlin++; | |
| 39 | nslin++; | |
| 40 | instead[nlin]=fullbot[nlin]=0; | |
| 41 | } | |
| 42 | table[nlin] = alocv((ncol+2)*sizeof(table[0][0])); | |
| 43 | if (cstore[1]==0) | |
| 44 | switch(cstore[0]) | |
| 45 | { | |
| 46 | case '_': fullbot[nlin]= '-'; continue; | |
| 47 | case '=': fullbot[nlin]= '='; continue; | |
| 48 | } | |
| 49 | stynum[nlin] = nslin; | |
| 50 | nslin = min(nslin+1, nclin-1); | |
| 51 | for (icol = 0; icol <ncol; icol++) | |
| 52 | { | |
| 53 | table[nlin][icol].col = cstore; | |
| 54 | table[nlin][icol].rcol=0; | |
| 55 | ch=1; | |
| 56 | if (match(cstore, "T{")) /* text follows */ | |
| 57 | table[nlin][icol].col = | |
| 58 | gettext(cstore, nlin, icol, | |
| 59 | font[stynum[nlin]][icol], | |
| 60 | csize[stynum[nlin]][icol]); | |
| 61 | else | |
| 62 | { | |
| 63 | for(; (ch= *cstore) != '\0' && ch != tab; cstore++) | |
| 64 | ; | |
| 65 | *cstore++ = '\0'; | |
| 66 | switch(ctype(nlin,icol)) /* numerical or alpha, subcol */ | |
| 67 | { | |
| 68 | case 'n': | |
| 69 | table[nlin][icol].rcol = maknew(table[nlin][icol].col); | |
| 70 | break; | |
| 71 | case 'a': | |
| 72 | table[nlin][icol].rcol = table[nlin][icol].col; | |
| 73 | table[nlin][icol].col = ""; | |
| 74 | break; | |
| 75 | } | |
| 76 | } | |
| 77 | while (ctype(nlin,icol+1)== 's') /* spanning */ | |
| 78 | table[nlin][++icol].col = ""; | |
| 79 | if (ch == '\0') break; | |
| 80 | } | |
| 81 | while (++icol <ncol+2) | |
| 82 | { | |
| 83 | table[nlin][icol].col = ""; | |
| 84 | table [nlin][icol].rcol=0; | |
| 85 | } | |
| 86 | while (*cstore != '\0') | |
| 87 | cstore++; | |
| 88 | if (cstore-cspace > MAXCHS) | |
| 89 | cstore = cspace = chspace(); | |
| 90 | } | |
| 91 | last = cstore; | |
| 92 | permute(); | |
| 93 | if (textflg) untext(); | |
| 94 | return; | |
| 95 | } | |
| 96 | nodata(il) | |
| 97 | { | |
| 98 | int c; | |
| 99 | for (c=0; c<ncol;c++) | |
| 100 | { | |
| 101 | switch(ctype(il,c)) | |
| 102 | { | |
| 103 | case 'c': case 'n': case 'r': case 'l': case 's': case 'a': | |
| 104 | return(0); | |
| 105 | } | |
| 106 | } | |
| 107 | return(1); | |
| 108 | } | |
| 109 | oneh(lin) | |
| 110 | { | |
| 111 | int k, icol; | |
| 112 | k = ctype(lin,0); | |
| 113 | for(icol=1; icol<ncol; icol++) | |
| 114 | { | |
| 115 | if (k != ctype(lin,icol)) | |
| 116 | return(0); | |
| 117 | } | |
| 118 | return(k); | |
| 119 | } | |
| 120 | # define SPAN "\\^" | |
| 121 | permute() | |
| 122 | { | |
| 123 | int irow, jcol, is; | |
| 124 | char *start, *strig; | |
| 125 | for(jcol=0; jcol<ncol; jcol++) | |
| 126 | { | |
| 127 | for(irow=1; irow<nlin; irow++) | |
| 128 | { | |
| 129 | if (vspand(irow,jcol,0)) | |
| 130 | { | |
| 131 | is = prev(irow); | |
| 132 | if (is<0) | |
| 133 | error("Vertical spanning in first row not allowed"); | |
| 134 | start = table[is][jcol].col; | |
| 135 | strig = table[is][jcol].rcol; | |
| 136 | while (irow<nlin &&vspand(irow,jcol,0)) | |
| 137 | irow++; | |
| 138 | table[--irow][jcol].col = start; | |
| 139 | table[irow][jcol].rcol = strig; | |
| 140 | while (is<irow) | |
| 141 | { | |
| 142 | table[is][jcol].rcol =0; | |
| 143 | table[is][jcol].col= SPAN; | |
| 144 | is = next(is); | |
| 145 | } | |
| 146 | } | |
| 147 | } | |
| 148 | } | |
| 149 | } | |
| 150 | vspand(ir,ij,ifform) | |
| 151 | { | |
| 152 | if (ir<0) return(0); | |
| 153 | if (ir>=nlin)return(0); | |
| 154 | if (instead[ir]) return(0); | |
| 155 | if (ifform==0 && ctype(ir,ij)=='^') return(1); | |
| 156 | if (table[ir][ij].rcol!=0) return(0); | |
| 157 | if (fullbot[ir]) return(0); | |
| 158 | return(vspen(table[ir][ij].col)); | |
| 159 | } | |
| 160 | vspen(s) | |
| 161 | char *s; | |
| 162 | { | |
| 163 | if (s==0) return(0); | |
| 164 | if (!point(s)) return(0); | |
| 165 | return(match(s, SPAN)); | |
| 166 | } |