xref: /plan9/sys/src/cmd/postscript/tr2post/tr2post.c (revision 456a8764e4ea95d7aa2c2cf34e5112293070bc84)
1 #include <u.h>
2 #include <libc.h>
3 #include <bio.h>
4 #include <stdio.h>
5 #include "common.h"
6 #include "tr2post.h"
7 #include "comments.h"
8 #include "path.h"
9 
10 int formsperpage = 1;
11 int picflag = 1;
12 double aspectratio = 1.0;
13 int copies = 1;
14 int landscape = 0;
15 double magnification = 1.0;
16 int linesperpage = 66;
17 int pointsize = 10;
18 double xoffset = .25;
19 double yoffset = .25;
20 char *passthrough = 0;
21 
22 Biobuf binp, *bstdout, bstderr;
23 Biobufhdr *Bstdin, *Bstdout, *Bstderr;
24 int debug = 0;
25 
26 char tmpfilename[MAXTOKENSIZE];
27 char copybuf[BUFSIZ];
28 
29 struct charent **build_char_list = 0;
30 int build_char_cnt = 0;
31 
32 void
prologues(void)33 prologues(void) {
34 	int i;
35 	char charlibname[MAXTOKENSIZE];
36 
37 	Bprint(Bstdout, "%s", CONFORMING);
38 	Bprint(Bstdout, "%s %s\n", VERSION, PROGRAMVERSION);
39 	Bprint(Bstdout, "%s %s\n", CREATOR, PROGRAMNAME);
40 	Bprint(Bstdout, "%s %s\n", DOCUMENTFONTS, ATEND);
41 	Bprint(Bstdout, "%s %s\n", PAGES, ATEND);
42 	Bprint(Bstdout, "%s", ENDCOMMENTS);
43 
44 	if (cat(DPOST)) {
45 		fprint(2, "can't read %s\n", DPOST);
46 		exits("dpost prologue");
47 	}
48 
49 	if (drawflag) {
50 		if (cat(DRAW)) {
51 			fprint(2, "can't read %s\n", DRAW);
52 			exits("draw prologue");
53 		}
54 	}
55 
56 	if (DOROUND)
57 		cat(ROUNDPAGE);
58 
59 	Bprint(Bstdout, "%s", ENDPROLOG);
60 	Bprint(Bstdout, "%s", BEGINSETUP);
61 	Bprint(Bstdout, "mark\n");
62 	if (formsperpage > 1) {
63 		Bprint(Bstdout, "%s %d\n", FORMSPERPAGE, formsperpage);
64 		Bprint(Bstdout, "/formsperpage %d def\n", formsperpage);
65 	}
66 	if (aspectratio != 1) Bprint(Bstdout, "/aspectratio %g def\n", aspectratio);
67 	if (copies != 1) Bprint(Bstdout, "/#copies %d store\n", copies);
68 	if (landscape) Bprint(Bstdout, "/landscape true def\n");
69 	if (magnification != 1) Bprint(Bstdout, "/magnification %g def\n", magnification);
70 	if (pointsize != 10) Bprint(Bstdout, "/pointsize %d def\n", pointsize);
71 	if (xoffset != .25) Bprint(Bstdout, "/xoffset %g def\n", xoffset);
72 	if (yoffset != .25) Bprint(Bstdout, "/yoffset %g def\n", yoffset);
73 	cat(ENCODINGDIR"/Latin1.enc");
74 	if (passthrough != 0) Bprint(Bstdout, "%s\n", passthrough);
75 
76 	Bprint(Bstdout, "setup\n");
77 	if (formsperpage > 1) {
78 		cat(FORMFILE);
79 		Bprint(Bstdout, "%d setupforms \n", formsperpage);
80 	}
81 /* output Build character info from charlib if necessary. */
82 
83 	for (i=0; i<build_char_cnt; i++) {
84 		sprint(charlibname, "%s/%s", CHARLIB, build_char_list[i]->name);
85 		if (cat(charlibname))
86 		fprint(2, "cannot open %s\n", charlibname);
87 	}
88 
89 	Bprint(Bstdout, "%s", ENDSETUP);
90 }
91 
92 void
cleanup(void)93 cleanup(void) {
94 	remove(tmpfilename);
95 }
96 
97 void
main(int argc,char * argv[])98 main(int argc, char *argv[]) {
99 	Biobuf *binp;
100 	Biobufhdr *Binp;
101 	int i, tot, ifd;
102 	char *t;
103 
104 	programname = argv[0];
105 	if (Binit(&bstderr, 2, OWRITE) == Beof)
106 		sysfatal("Binit");
107 	Bstderr = &bstderr.Biobufhdr;
108 
109 	tmpnam(tmpfilename);
110 	if ((bstdout=Bopen(tmpfilename, OWRITE)) == 0)
111 		sysfatal("cannot open temporary file %s: %r", tmpfilename);
112 	atexit(cleanup);
113 	Bstdout = &bstdout->Biobufhdr;
114 
115 	ARGBEGIN{
116 	case 'a':			/* aspect ratio */
117 		aspectratio = atof(ARGF());
118 		break;
119 	case 'c':			/* copies */
120 		copies = atoi(ARGF());
121 		break;
122 	case 'd':
123 		debug = 1;
124 		break;
125 	case 'm':			/* magnification */
126 		magnification = atof(ARGF());
127 		break;
128 	case 'n':			/* forms per page */
129 		formsperpage = atoi(ARGF());
130 		break;
131 	case 'o':			/* output page list */
132 		pagelist(ARGF());
133 		break;
134 	case 'p':			/* landscape or portrait mode */
135 		if ( ARGF()[0] == 'l' )
136 			landscape = 1;
137 		else
138 			landscape = 0;
139 		break;
140 	case 'x':			/* shift things horizontally */
141 		xoffset = atof(ARGF());
142 		break;
143 	case 'y':			/* and vertically on the page */
144 		yoffset = atof(ARGF());
145 		break;
146 	case 'P':			/* PostScript pass through */
147 		t = ARGF();
148 		i = strlen(t) + 1;
149 		passthrough = malloc(i);
150 		if (passthrough == 0)
151 			sysfatal("malloc");
152 		strncpy(passthrough, t, i);
153 		break;
154 	default:			/* don't know what to do for ch */
155 		fprint(2, "unknown option %C\n", ARGC());
156 		break;
157 	}ARGEND;
158 
159 	readDESC();
160 	if (argc == 0) {
161 		if ((binp = (Biobuf *)malloc(sizeof(Biobuf))) == nil)
162 			sysfatal("malloc");
163 		if (Binit(binp, 0, OREAD) == Beof)
164 			sysfatal("Binit of <stdin> failed.");
165 		Binp = &binp->Biobufhdr;
166 		if (debug) fprint(2, "using standard input\n");
167 		conv(Binp);
168 		Bterm(Binp);
169 	}
170 	for (i=0; i<argc; i++) {
171 		if ((binp=Bopen(argv[i], OREAD)) == 0) {
172 			fprint(2, "cannot open file %s\n", argv[i]);
173 			continue;
174 		}
175 		Binp = &binp->Biobufhdr;
176 		inputfilename = argv[i];
177 		conv(Binp);
178 		Bterm(Binp);
179 	}
180 	Bterm(Bstdout);
181 
182 	if ((ifd=open(tmpfilename, OREAD)) < 0)
183 		sysfatal("open of %s failed: %r", tmpfilename);
184 
185 	bstdout = galloc(0, sizeof(Biobuf), "bstdout");
186 	if (Binit(bstdout, 1, OWRITE) == Beof)
187 		sysfatal("Binit of <stdout> failed.");
188 	Bstdout = &(bstdout->Biobufhdr);
189 	prologues();
190 	Bflush(Bstdout);
191 	tot = 0;
192 	while ((i=read(ifd, copybuf, BUFSIZ)) > 0) {
193 		if (write(1, copybuf, i) != i) {
194 			fprint(2, "write error on copying from temp file.\n");
195 			exits("write");
196 		}
197 		tot += i;
198 	}
199 	if (debug) fprint(2, "copied %d bytes to final output i=%d\n", tot, i);
200 	if (i < 0)
201 		sysfatal("read error copying from temp file: %r");
202 	finish();
203 	exits("");
204 }
205