ref: e55cb65c247a9cdfa0528d34dec70d435898d098
dir: /sys/src/cmd/tbl/tg.c/
/* tg.c: process included text blocks */ # include "t.h" int gettext(char *sp, int ilin, int icol, char *fn, char *sz) { /* get a section of text */ char line[4096]; int oname, startline; char *vs; startline = iline; if (texname == 0) error("Too many text block diversions"); if (textflg == 0) { Bprint(&tabout, ".nr %d \\n(.lu\n", SL); /* remember old line length */ textflg = 1; } Bprint(&tabout, ".eo\n"); Bprint(&tabout, ".am %s\n", reg(icol, CRIGHT)); Bprint(&tabout, ".br\n"); Bprint(&tabout, ".di %c+\n", texname); rstofill(); if (fn && *fn) Bprint(&tabout, ".nr %d \\n(.f\n.ft %s\n", S1, fn); Bprint(&tabout, ".ft \\n(.f\n"); /* protect font */ vs = vsize[icol][stynum[ilin]]; if ((sz && *sz) || (vs && *vs)) { Bprint(&tabout, ".nr %d \\n(.v\n", S9); if (vs == 0 || *vs == 0) vs = "\\n(.s+2"; if (sz && *sz) Bprint(&tabout, ".ps %s\n", sz); Bprint(&tabout, ".vs %s\n", vs); Bprint(&tabout, ".if \\n(%du>\\n(.vu .sp \\n(%du-\\n(.vu\n", S9, S9); } if (cll[icol][0]) Bprint(&tabout, ".ll %sn\n", cll[icol]); else Bprint(&tabout, ".ll \\n(%du*%du/%du\n", SL, ctspan(ilin, icol), ncol + 1); Bprint(&tabout, ".if \\n(.l<\\n(%2s .ll \\n(%2su\n", reg(icol, CRIGHT), reg(icol, CRIGHT)); if (ctype(ilin, icol) == 'a') Bprint(&tabout, ".ll -2n\n"); Bprint(&tabout, ".in 0\n"); for (;;) { if (gets1(line, sizeof(line)) == nil) { iline = startline; error("missing closing T}"); } if (line[0] == 'T' && line[1] == '}' && line[2] == tab) break; if (match("T}", line)) break; Bprint(&tabout, "%s\n", line); } if (fn && *fn) Bprint(&tabout, ".ft \\n(%d\n", S1); if (sz && *sz) Bprint(&tabout, ".br\n.ps\n.vs\n"); Bprint(&tabout, ".br\n"); Bprint(&tabout, ".di\n"); Bprint(&tabout, ".nr %c| \\n(dn\n", texname); Bprint(&tabout, ".nr %c- \\n(dl\n", texname); Bprint(&tabout, "..\n"); Bprint(&tabout, ".ec \\\n"); /* copy remainder of line */ if (line[2]) tcopy (sp, line + 3); else *sp = 0; oname = texname; texname = texstr[++texct]; return(oname); } void untext(void) { rstofill(); Bprint(&tabout, ".nf\n"); Bprint(&tabout, ".ll \\n(%du\n", SL); }