projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| ed8f60d3 | 1 | #ifndef lint |
| 3ab4bab3 | 2 | static char sccsid[] = "@(#)vertlines.c 1.2 (CWI) 85/10/02"; |
| ed8f60d3 JA |
3 | #endif lint |
| 4 | ||
| 3ab4bab3 JA |
5 | /* |
| 6 | * draw vertical lines | |
| 7 | */ | |
| ed8f60d3 JA |
8 | |
| 9 | #include "defs.h" | |
| 10 | #include "ext.h" | |
| 11 | ||
| 12 | drawvert(start, end, c, lwid){ | |
| 13 | char *exb = 0, *ext = 0; | |
| 14 | int tp = 0, sl, ln, pos, epb, ept, vm; | |
| 15 | ||
| 16 | end++; | |
| 17 | vm = 'v'; | |
| 18 | /* | |
| 19 | * note: nr 35 has value of 1m outside of linesize | |
| 20 | */ | |
| 21 | while(instead[end]) | |
| 22 | end++; | |
| 23 | for(ln = 0; ln < lwid; ln++){ | |
| 24 | epb = ept = 0; | |
| 25 | pos = 2 * ln - lwid + 1; | |
| 26 | if(pos != tp) | |
| 27 | printf("\\h'%dp'", pos - tp); | |
| 28 | tp = pos; | |
| 29 | if(end < nlin){ | |
| 30 | if(fullbot[end] || (!instead[end] && allh(end))) | |
| 31 | epb = 2; | |
| 32 | else { | |
| 33 | switch(midbar(end, c)){ | |
| 34 | ||
| 35 | case '-': | |
| 36 | exb = "1v-.5m"; | |
| 37 | break; | |
| 38 | case '=': | |
| 39 | exb = "1v-.5m"; | |
| 40 | epb = 1; | |
| 41 | break; | |
| 42 | } | |
| 43 | } | |
| 44 | } | |
| 45 | if(lwid > 1){ | |
| 46 | switch(interh(end, c)){ | |
| 47 | ||
| 48 | case THRU: | |
| 49 | epb -= 1; | |
| 50 | break; | |
| 51 | case RIGHT: | |
| 52 | epb += (ln == 0 ? 1 : -1); | |
| 53 | break; | |
| 54 | case LEFT: | |
| 55 | epb += (ln == 1 ? 1 : -1); | |
| 56 | break; | |
| 57 | } | |
| 58 | } | |
| 59 | if(lwid == 1){ | |
| 60 | switch(interh(end, c)){ | |
| 61 | ||
| 62 | case THRU: | |
| 63 | epb -= 1; | |
| 64 | break; | |
| 65 | case RIGHT: | |
| 66 | case LEFT: | |
| 67 | epb += 1; | |
| 68 | break; | |
| 69 | } | |
| 70 | } | |
| 71 | if(start > 0){ | |
| 72 | sl = start - 1; | |
| 73 | while(sl >= 0 && instead[sl]) | |
| 74 | sl--; | |
| 75 | if(sl >= 0 && (fullbot[sl] || allh(sl))) | |
| 76 | ept = 0; | |
| 77 | else { | |
| 78 | if(sl >= 0){ | |
| 79 | switch(midbar(sl, c)){ | |
| 80 | ||
| 81 | case '-': | |
| 82 | ext = ".5m"; | |
| 83 | break; | |
| 84 | case '=': | |
| 85 | ext = ".5m"; | |
| 86 | ept = -1; | |
| 87 | break; | |
| 88 | default: | |
| 89 | vm = 'm'; | |
| 90 | break; | |
| 91 | } | |
| 92 | } else | |
| 93 | ept = -4; | |
| 94 | } | |
| 95 | } else { | |
| 96 | if(start == 0 && allh(0)){ | |
| 97 | ept = 0; | |
| 98 | vm = 'm'; | |
| 99 | } | |
| 100 | } | |
| 101 | if(lwid > 1){ | |
| 102 | switch(interh(start, c)){ | |
| 103 | ||
| 104 | case THRU: | |
| 105 | ept += 1; | |
| 106 | break; | |
| 107 | case LEFT: | |
| 108 | ept += (ln == 0 ? 1 : -1); | |
| 109 | break; | |
| 110 | case RIGHT: | |
| 111 | ept += (ln == 1 ? 1 : -1); | |
| 112 | break; | |
| 113 | } | |
| 114 | } else { | |
| 115 | if(lwid == 1){ | |
| 116 | switch(interh(start, c)){ | |
| 117 | ||
| 118 | case THRU: | |
| 119 | ept += 1; | |
| 120 | break; | |
| 121 | case LEFT: | |
| 122 | case RIGHT: | |
| 123 | ept -= 1; | |
| 124 | break; | |
| 125 | } | |
| 126 | } | |
| 127 | } | |
| 128 | if(exb) | |
| 129 | printf("\\v'%s'", exb); | |
| 130 | if(epb) | |
| 131 | printf("\\v'%dp'", epb); | |
| 132 | printf("\\s\\n(%d", LSIZE); | |
| bad19660 JA |
133 | printf("\\v'-\\n(%dp/6u'", LSIZE); |
| 134 | printf("\\h'-\\n(#~n/100u'"); | |
| ed8f60d3 JA |
135 | |
| 136 | printf("\\L'|\\n(#%cu-%s", | |
| 137 | linestop[start] + 'a' -1, vm == 'v' ? "1v" : "\\n(35u"); | |
| 138 | if(ext) | |
| 139 | printf("-(%s)", ext); | |
| 140 | if(exb) | |
| 141 | printf("-(%s)", exb); | |
| 142 | pos = ept - epb; | |
| 143 | if(pos) | |
| 144 | printf("%s%dp", pos >= 0 ? "+" : "", pos); | |
| bad19660 | 145 | printf("'"); |
| ed8f60d3 JA |
146 | /* |
| 147 | * the string #d is either "nl" or ".d" depending on diversions; | |
| 148 | * on GCOS not the same | |
| 149 | */ | |
| bad19660 JA |
150 | printf("\\h'-\\n(#~n/100u'"); |
| 151 | printf("\\s0\\v'\\n(\\*(#du-\\n(#%cu+%s", | |
| ed8f60d3 JA |
152 | linestop[start] + 'a' -1, vm == 'v' ? "1v" : "\\n(35u"); |
| 153 | if(ext) | |
| 154 | printf("+%s", ext); | |
| 155 | if(ept) | |
| 156 | printf("%s%dp", (-ept) > 0 ? "+" : "", (-ept)); | |
| 157 | printf("'"); | |
| bad19660 | 158 | printf("\\v'\\n(%dp/6u'", LSIZE); |
| ed8f60d3 JA |
159 | } |
| 160 | } | |
| 161 | ||
| 162 | midbar(i, c){ | |
| 163 | int k; | |
| 164 | ||
| 165 | k = midbcol(i, c); | |
| 166 | if(k == 0 && c > 0) | |
| 167 | k = midbcol(i, c - 1); | |
| 168 | return(k); | |
| 169 | } | |
| 170 | ||
| 171 | midbcol(i, c){ | |
| 172 | int ct; | |
| 173 | ||
| 174 | while((ct = ctype(i, c)) == 's') | |
| 175 | c--; | |
| 176 | if(ct == '-' || ct == '=') | |
| 177 | return(ct); | |
| 178 | if(ct = barent(table[i][c].col)) | |
| 179 | return(ct); | |
| 180 | return(0); | |
| 181 | } | |
| 182 | ||
| 183 | barent(s) | |
| 184 | char *s; | |
| 185 | { | |
| 186 | if(s == 0) | |
| 187 | return(1); | |
| 188 | if(!point(s)) | |
| 189 | return(1); | |
| 190 | if(s[0] == '\\') | |
| 191 | s++; | |
| 192 | if(s[1] != 0) | |
| 193 | return(0); | |
| 194 | switch(s[0]){ | |
| 195 | ||
| 196 | case '_': | |
| 197 | return('-'); | |
| 198 | case '=': | |
| 199 | return('='); | |
| 200 | } | |
| 201 | return(0); | |
| 202 | } |