1 /* t3.c: interpret commands affecting whole table */ 2 # include "t.h" 3 struct optstr { 4 char *optnam; 5 int *optadd; 6 } options [] = { 7 "expand", &expflg, 8 "EXPAND", &expflg, 9 "center", &ctrflg, 10 "CENTER", &ctrflg, 11 "box", &boxflg, 12 "BOX", &boxflg, 13 "allbox", &allflg, 14 "ALLBOX", &allflg, 15 "doublebox", &dboxflg, 16 "DOUBLEBOX", &dboxflg, 17 "frame", &boxflg, 18 "FRAME", &boxflg, 19 "doubleframe", &dboxflg, 20 "DOUBLEFRAME", &dboxflg, 21 "tab", &tab, 22 "TAB", &tab, 23 "linesize", &linsize, 24 "LINESIZE", &linsize, 25 "delim", &delim1, 26 "DELIM", &delim1, 27 0, 0}; 28 29 30 void 31 getcomm(void) 32 { 33 char line[200], *cp, nb[25], *t; 34 struct optstr *lp; 35 int c, ci, found; 36 37 for (lp = options; lp->optnam; lp++) 38 *(lp->optadd) = 0; 39 texname = texstr[texct=0]; 40 tab = '\t'; 41 Bprint(&tabout, ".nr %d \\n(.s\n", LSIZE); 42 gets1(line, sizeof(line)); 43 /* see if this is a command line */ 44 if (strchr(line, ';') == 0) { 45 backrest(line); 46 return; 47 } 48 for (cp = line; (c = *cp) != ';'; cp++) { 49 if (!letter(c)) 50 continue; 51 found = 0; 52 for (lp = options; lp->optadd; lp++) { 53 if (prefix(lp->optnam, cp)) { 54 *(lp->optadd) = 1; 55 cp += strlen(lp->optnam); 56 if (letter(*cp)) 57 error("Misspelled global option"); 58 while (*cp == ' ') 59 cp++; 60 t = nb; 61 if ( *cp == '(') 62 while ((ci = *++cp) != ')') 63 *t++ = ci; 64 else 65 cp--; 66 *t++ = 0; 67 *t = 0; 68 if (lp->optadd == &tab) { 69 if (nb[0]) 70 *(lp->optadd) = nb[0]; 71 } 72 if (lp->optadd == &linsize) 73 Bprint(&tabout, ".nr %d %s\n", LSIZE, nb); 74 if (lp->optadd == &delim1) { 75 delim1 = nb[0]; 76 delim2 = nb[1]; 77 } 78 found = 1; 79 break; 80 } 81 } 82 if (!found) 83 error("Illegal option"); 84 } 85 cp++; 86 backrest(cp); 87 return; 88 } 89 90 91 void 92 backrest(char *cp) 93 { 94 char *s; 95 96 for (s = cp; *s; s++) 97 ; 98 un1getc('\n'); 99 while (s > cp) 100 un1getc(*--s); 101 return; 102 } 103 104 105