junk

dist/troff/afm2troff.c

@@ -0,0 +1,93 @@
+#include <u.h>
+#include <libc.h>
+#include <bio.h>
+
+int didname;
+int didfontname;
+int offset;
+void run(char*, int);
+Biobuf bout;
+
+void
+usage(void)
+{
+	fprint(2, "usage: afm2troff [-h] [-o offset] [file...]\n");
+	exits("usage");
+}
+
+void
+main(int argc, char **argv)
+{
+	int i, fd;
+	
+	ARGBEGIN{
+	case 'h':
+		didname = 1;
+		didfontname = 1;
+		break;
+	case 'o':
+		offset = atoi(EARGF(usage()));
+		break;
+	default:
+		usage();
+	}ARGEND
+	
+	Binit(&bout, 1, OWRITE);
+	if(argc == 0)
+		run("<stdin>", 0);
+	else{
+		for(i=0; i<argc; i++){
+			if((fd = open(argv[i], OREAD)) < 0)
+				sysfatal("open %s: %r", argv[i]);
+			run(argv[i], fd);
+		}
+	}
+	Bflush(&bout);
+}
+
+void
+run(char *name, int fd)
+{
+	char *p, *q, *f[100];
+	int nf, code, wid, ad;
+	Biobuf b;
+	
+	Binit(&b, fd, OREAD);
+	while((p = Brdline(&b, '\n')) != nil){
+		p[Blinelen(&b)-1] = 0;
+		q = strchr(p, ' ');
+		if(q == nil)
+			continue;
+		*q++ = 0;
+		while(*q == ' ' || *q == '\t')
+			q++;
+		if(*q == 0)
+			continue;
+		if(strcmp(p, "FontName") == 0 && didname++ == 0)
+			 Bprint(&bout, "name %s\n", q);
+		if(strcmp(p, "FullName") == 0 && didfontname++ == 0)
+			 Bprint(&bout, "fontname %s\n", q);
+		if(strcmp(p, "C") == 0){
+			nf = getfields(q, f, nelem(f), 1, "\t\r\n\v ");
+			if(nf < 5 || strcmp(f[1], ";") != 0 || strcmp(f[2], "WX") != 0)
+				continue;
+			code = strtol(f[0], 0, 10);
+			wid = strtol(f[3], 0, 10);
+			wid = (wid+5)/10;
+			if(code == 0)
+				continue;
+			code += offset;
+			ad = 0;
+			if(nf < 6 || strcmp(f[nf-6], "B") != 0)
+				continue;
+			if(atoi(f[nf-4]) < -50)
+				ad |= 1;
+			if(atoi(f[nf-2]) > 600)
+				ad |= 2;
+			if(code == ' ')
+				Bprint(&bout, "spacewidth %d\ncharset\n", wid);
+			else
+				Bprint(&bout, "%C\t%d\t%d\t%d %04x\n", code, wid, ad, code, code);
+		}
+	}
+}