1 24c02865 2005-01-04 devnull #include <u.h>
  2 24c02865 2005-01-04 devnull #include <libc.h>
  3 24c02865 2005-01-04 devnull #include <draw.h>
  4 05a4d855 2007-03-26 devnull #include <thread.h>
  5 24c02865 2005-01-04 devnull #include <bio.h>
  6 05a4d855 2007-03-26 devnull #include <cursor.h>
  7 24c02865 2005-01-04 devnull #include "page.h"
  8 24c02865 2005-01-04 devnull 
  9 24c02865 2005-01-04 devnull int resizing;
 10 24c02865 2005-01-04 devnull int mknewwindow;
 11 24c02865 2005-01-04 devnull int doabort;
 12 24c02865 2005-01-04 devnull int chatty;
 13 24c02865 2005-01-04 devnull int reverse = -1;
 14 24c02865 2005-01-04 devnull int goodps = 1;
 15 24c02865 2005-01-04 devnull int ppi = 100;
 16 24c02865 2005-01-04 devnull int teegs = 0;
 17 24c02865 2005-01-04 devnull int truetoboundingbox;
 18 24c02865 2005-01-04 devnull int textbits=4, gfxbits=4;
 19 24c02865 2005-01-04 devnull int stdinfd;
 20 24c02865 2005-01-04 devnull int truecolor;
 21 24c02865 2005-01-04 devnull int imagemode;
 22 05a4d855 2007-03-26 devnull int notewatcher;
 23 05a4d855 2007-03-26 devnull int notegp;
 24 d9e047e5 2010-02-04 rsc int fitwin;
 25 2fb0c444 2009-08-20 jrm8005 char tempfile[40];
 26 24c02865 2005-01-04 devnull 
 27 05a4d855 2007-03-26 devnull int
 28 05a4d855 2007-03-26 devnull watcher(void *v, char *x)
 29 05a4d855 2007-03-26 devnull {
 30 05a4d855 2007-03-26 devnull 	USED(v);
 31 05a4d855 2007-03-26 devnull 	if(strcmp(x, "die") != 0)
 32 05a4d855 2007-03-26 devnull 		postnote(PNGROUP, notegp, x);
 33 05a4d855 2007-03-26 devnull 	threadexitsall(0);
 34 05a4d855 2007-03-26 devnull 	return 0;
 35 05a4d855 2007-03-26 devnull }
 36 05a4d855 2007-03-26 devnull 
 37 5cd829d5 2007-04-03 devnull void
 38 5cd829d5 2007-04-03 devnull watcherproc(void *v)
 39 5cd829d5 2007-04-03 devnull {
 40 5cd829d5 2007-04-03 devnull 	threadnotify(watcher, 1);
 41 5cd829d5 2007-04-03 devnull 	for(;;)
 42 5cd829d5 2007-04-03 devnull 		sleep(1000);
 43 5cd829d5 2007-04-03 devnull }
 44 fa325e9b 2020-01-10 cross 
 45 05a4d855 2007-03-26 devnull int
 46 05a4d855 2007-03-26 devnull bell(void *u, char *x)
 47 05a4d855 2007-03-26 devnull {
 48 05a4d855 2007-03-26 devnull 	if(x && strcmp(x, "hangup") == 0)
 49 05a4d855 2007-03-26 devnull 		threadexitsall(0);
 50 05a4d855 2007-03-26 devnull 
 51 05a4d855 2007-03-26 devnull 	if(x && strstr(x, "die") == nil)
 52 05a4d855 2007-03-26 devnull 		fprint(2, "postnote %d: %s\n", getpid(), x);
 53 05a4d855 2007-03-26 devnull 
 54 05a4d855 2007-03-26 devnull 	/* alarms come from the gs monitor */
 55 05a4d855 2007-03-26 devnull 	if(x && strstr(x, "alarm")){
 56 05a4d855 2007-03-26 devnull 		postnote(PNGROUP, getpid(), "die (gs error)");
 57 05a4d855 2007-03-26 devnull 		postnote(PNPROC, notewatcher, "die (gs error)");
 58 05a4d855 2007-03-26 devnull 	}
 59 05a4d855 2007-03-26 devnull 
 60 05a4d855 2007-03-26 devnull 	/* function mentions u so that it's in the stack trace */
 61 05a4d855 2007-03-26 devnull 	if((u == nil || u != x) && doabort)
 62 05a4d855 2007-03-26 devnull 		abort();
 63 05a4d855 2007-03-26 devnull 
 64 05a4d855 2007-03-26 devnull /*	fprint(2, "exiting %d\n", getpid()); */
 65 05a4d855 2007-03-26 devnull 	wexits("note");
 66 05a4d855 2007-03-26 devnull 	return 0;
 67 05a4d855 2007-03-26 devnull }
 68 05a4d855 2007-03-26 devnull 
 69 24c02865 2005-01-04 devnull static int
 70 24c02865 2005-01-04 devnull afmt(Fmt *fmt)
 71 24c02865 2005-01-04 devnull {
 72 24c02865 2005-01-04 devnull 	char *s;
 73 24c02865 2005-01-04 devnull 
 74 24c02865 2005-01-04 devnull 	s = va_arg(fmt->args, char*);
 75 24c02865 2005-01-04 devnull 	if(s == nil || s[0] == '\0')
 76 24c02865 2005-01-04 devnull 		return fmtstrcpy(fmt, "");
 77 24c02865 2005-01-04 devnull 	else
 78 24c02865 2005-01-04 devnull 		return fmtprint(fmt, "%#q", s);
 79 24c02865 2005-01-04 devnull }
 80 24c02865 2005-01-04 devnull 
 81 24c02865 2005-01-04 devnull void
 82 24c02865 2005-01-04 devnull usage(void)
 83 24c02865 2005-01-04 devnull {
 84 fa325e9b 2020-01-10 cross 	fprint(2, "usage: page [-biRrwf] [-p ppi] file...\n");
 85 05a4d855 2007-03-26 devnull 	wexits("usage");
 86 24c02865 2005-01-04 devnull }
 87 24c02865 2005-01-04 devnull 
 88 24c02865 2005-01-04 devnull void
 89 2fb0c444 2009-08-20 jrm8005 cleanup(void)
 90 2fb0c444 2009-08-20 jrm8005 {
 91 2fb0c444 2009-08-20 jrm8005 	remove(tempfile);
 92 2fb0c444 2009-08-20 jrm8005 }
 93 2fb0c444 2009-08-20 jrm8005 
 94 2fb0c444 2009-08-20 jrm8005 void
 95 05a4d855 2007-03-26 devnull threadmain(int argc, char **argv)
 96 24c02865 2005-01-04 devnull {
 97 24c02865 2005-01-04 devnull 	Document *doc;
 98 24c02865 2005-01-04 devnull 	Biobuf *b;
 99 05a4d855 2007-03-26 devnull 	char *basename = argv[0];
100 24c02865 2005-01-04 devnull 	enum { Ninput = 16 };
101 24c02865 2005-01-04 devnull 	uchar buf[Ninput+1];
102 24c02865 2005-01-04 devnull 	int readstdin;
103 24c02865 2005-01-04 devnull 
104 24c02865 2005-01-04 devnull 	ARGBEGIN{
105 24c02865 2005-01-04 devnull 	/* "temporary" debugging options */
106 24c02865 2005-01-04 devnull 	case 'P':
107 24c02865 2005-01-04 devnull 		goodps = 0;
108 24c02865 2005-01-04 devnull 		break;
109 24c02865 2005-01-04 devnull 	case 'v':
110 24c02865 2005-01-04 devnull 		chatty++;
111 24c02865 2005-01-04 devnull 		break;
112 24c02865 2005-01-04 devnull 	case 'V':
113 24c02865 2005-01-04 devnull 		teegs++;
114 24c02865 2005-01-04 devnull 		break;
115 24c02865 2005-01-04 devnull 	case 'a':
116 24c02865 2005-01-04 devnull 		doabort++;
117 24c02865 2005-01-04 devnull 		break;
118 24c02865 2005-01-04 devnull 	case 'T':
119 24c02865 2005-01-04 devnull 		textbits = atoi(EARGF(usage()));
120 24c02865 2005-01-04 devnull 		gfxbits = atoi(EARGF(usage()));
121 24c02865 2005-01-04 devnull 		break;
122 24c02865 2005-01-04 devnull 
123 24c02865 2005-01-04 devnull 	/* real options */
124 24c02865 2005-01-04 devnull 	case 'R':
125 24c02865 2005-01-04 devnull 		resizing = 1;
126 24c02865 2005-01-04 devnull 		break;
127 24c02865 2005-01-04 devnull 	case 'r':
128 24c02865 2005-01-04 devnull 		reverse = 1;
129 24c02865 2005-01-04 devnull 		break;
130 24c02865 2005-01-04 devnull 	case 'p':
131 24c02865 2005-01-04 devnull 		ppi = atoi(EARGF(usage()));
132 24c02865 2005-01-04 devnull 		break;
133 24c02865 2005-01-04 devnull 	case 'b':
134 24c02865 2005-01-04 devnull 		truetoboundingbox = 1;
135 24c02865 2005-01-04 devnull 		break;
136 24c02865 2005-01-04 devnull 	case 'w':
137 05a4d855 2007-03-26 devnull 		fprint(2, "%s: -w has only the effect of -R X11 systems\n", basename);
138 24c02865 2005-01-04 devnull 		resizing = 1;
139 24c02865 2005-01-04 devnull 		break;
140 24c02865 2005-01-04 devnull 	case 'i':
141 24c02865 2005-01-04 devnull 		imagemode = 1;
142 24c02865 2005-01-04 devnull 		break;
143 60a31903 2008-07-09 rsc 	case 'W':
144 60a31903 2008-07-09 rsc 		winsize = EARGF(usage());
145 60a31903 2008-07-09 rsc 		break;
146 d9e047e5 2010-02-04 rsc 	case 'f':
147 d9e047e5 2010-02-04 rsc 		fitwin = 1;
148 fa325e9b 2020-01-10 cross 		break;
149 24c02865 2005-01-04 devnull 	default:
150 24c02865 2005-01-04 devnull 		usage();
151 24c02865 2005-01-04 devnull 	}ARGEND;
152 24c02865 2005-01-04 devnull 
153 05a4d855 2007-03-26 devnull 	notegp = getpid();
154 05a4d855 2007-03-26 devnull 
155 5cd829d5 2007-04-03 devnull 	notewatcher = proccreate(watcherproc, NULL, 1024);
156 5cd829d5 2007-04-03 devnull 	if(notewatcher == -1){
157 5cd829d5 2007-04-03 devnull 		sysfatal("proccreate");
158 05a4d855 2007-03-26 devnull 		threadexitsall(0);
159 05a4d855 2007-03-26 devnull 	}
160 05a4d855 2007-03-26 devnull 
161 24c02865 2005-01-04 devnull 	rfork(RFNOTEG);
162 5cd829d5 2007-04-03 devnull 	threadnotify(bell, 1);
163 24c02865 2005-01-04 devnull 
164 24c02865 2005-01-04 devnull 	readstdin = 0;
165 24c02865 2005-01-04 devnull 	if(imagemode == 0 && argc == 0){
166 24c02865 2005-01-04 devnull 		readstdin = 1;
167 24c02865 2005-01-04 devnull 		stdinfd = dup(0, -1);
168 24c02865 2005-01-04 devnull 		close(0);
169 05a4d855 2007-03-26 devnull 		open("/dev/tty", OREAD);
170 24c02865 2005-01-04 devnull 	}
171 24c02865 2005-01-04 devnull 
172 24c02865 2005-01-04 devnull 	quotefmtinstall();
173 24c02865 2005-01-04 devnull 	fmtinstall('a', afmt);
174 24c02865 2005-01-04 devnull 
175 24c02865 2005-01-04 devnull 	fmtinstall('R', Rfmt);
176 24c02865 2005-01-04 devnull 	fmtinstall('P', Pfmt);
177 05a4d855 2007-03-26 devnull 	/*
178 17157e4a 2006-03-20 devnull 	if(mknewwindow)
179 05a4d855 2007-03-26 devnull 		newwin(); */
180 24c02865 2005-01-04 devnull 
181 24c02865 2005-01-04 devnull 	if(readstdin){
182 24c02865 2005-01-04 devnull 		b = nil;
183 24c02865 2005-01-04 devnull 		if(readn(stdinfd, buf, Ninput) != Ninput){
184 24c02865 2005-01-04 devnull 			fprint(2, "page: short read reading %s\n", argv[0]);
185 24c02865 2005-01-04 devnull 			wexits("read");
186 24c02865 2005-01-04 devnull 		}
187 fa325e9b 2020-01-10 cross 
188 2fb0c444 2009-08-20 jrm8005 		atexit(cleanup);
189 24c02865 2005-01-04 devnull 	}else if(argc != 0){
190 24c02865 2005-01-04 devnull 		if(!(b = Bopen(argv[0], OREAD))) {
191 24c02865 2005-01-04 devnull 			fprint(2, "page: cannot open \"%s\"\n", argv[0]);
192 24c02865 2005-01-04 devnull 			wexits("open");
193 fa325e9b 2020-01-10 cross 		}
194 24c02865 2005-01-04 devnull 
195 24c02865 2005-01-04 devnull 		if(Bread(b, buf, Ninput) != Ninput) {
196 24c02865 2005-01-04 devnull 			fprint(2, "page: short read reading %s\n", argv[0]);
197 24c02865 2005-01-04 devnull 			wexits("read");
198 24c02865 2005-01-04 devnull 		}
199 24c02865 2005-01-04 devnull 	}else
200 24c02865 2005-01-04 devnull 		b = nil;
201 24c02865 2005-01-04 devnull 
202 24c02865 2005-01-04 devnull 	buf[Ninput] = '\0';
203 24c02865 2005-01-04 devnull 	if(imagemode)
204 24c02865 2005-01-04 devnull 		doc = initgfx(nil, 0, nil, nil, 0);
205 24c02865 2005-01-04 devnull 	else if(strncmp((char*)buf, "%PDF-", 5) == 0)
206 24c02865 2005-01-04 devnull 		doc = initpdf(b, argc, argv, buf, Ninput);
207 24c02865 2005-01-04 devnull 	else if(strncmp((char*)buf, "\x04%!", 2) == 0)
208 24c02865 2005-01-04 devnull 		doc = initps(b, argc, argv, buf, Ninput);
209 24c02865 2005-01-04 devnull 	else if(buf[0] == '\x1B' && strstr((char*)buf, "@PJL"))
210 24c02865 2005-01-04 devnull 		doc = initps(b, argc, argv, buf, Ninput);
211 24c02865 2005-01-04 devnull 	else if(strncmp((char*)buf, "%!", 2) == 0)
212 24c02865 2005-01-04 devnull 		doc = initps(b, argc, argv, buf, Ninput);
213 24c02865 2005-01-04 devnull 	else if(strcmp((char*)buf, "\xF7\x02\x01\x83\x92\xC0\x1C;") == 0)
214 24c02865 2005-01-04 devnull 		doc = initdvi(b, argc, argv, buf, Ninput);
215 24c02865 2005-01-04 devnull 	else if(strncmp((char*)buf, "\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1", 8) == 0)
216 24c02865 2005-01-04 devnull 		doc = initmsdoc(b, argc, argv, buf, Ninput);
217 24c02865 2005-01-04 devnull 	else if(strncmp((char*)buf, "x T ", 4) == 0)
218 24c02865 2005-01-04 devnull 		doc = inittroff(b, argc, argv, buf, Ninput);
219 24c02865 2005-01-04 devnull 	else {
220 24c02865 2005-01-04 devnull 		if(ppi != 100) {
221 24c02865 2005-01-04 devnull 			fprint(2, "page: you can't specify -p with graphic files\n");
222 24c02865 2005-01-04 devnull 			wexits("-p and graphics");
223 24c02865 2005-01-04 devnull 		}
224 24c02865 2005-01-04 devnull 		doc = initgfx(b, argc, argv, buf, Ninput);
225 24c02865 2005-01-04 devnull 	}
226 24c02865 2005-01-04 devnull 
227 24c02865 2005-01-04 devnull 	if(doc == nil) {
228 24c02865 2005-01-04 devnull 		fprint(2, "page: error reading file: %r\n");
229 24c02865 2005-01-04 devnull 		wexits("document init");
230 24c02865 2005-01-04 devnull 	}
231 24c02865 2005-01-04 devnull 
232 24c02865 2005-01-04 devnull 	if(doc->npage < 1 && !imagemode) {
233 24c02865 2005-01-04 devnull 		fprint(2, "page: no pages found?\n");
234 24c02865 2005-01-04 devnull 		wexits("pagecount");
235 24c02865 2005-01-04 devnull 	}
236 24c02865 2005-01-04 devnull 
237 24c02865 2005-01-04 devnull 	if(reverse == -1) /* neither cmdline nor ps reader set it */
238 24c02865 2005-01-04 devnull 		reverse = 0;
239 24c02865 2005-01-04 devnull 
240 24c02865 2005-01-04 devnull 	if(initdraw(0, 0, "page") < 0){
241 24c02865 2005-01-04 devnull 		fprint(2, "page: initdraw failed: %r\n");
242 24c02865 2005-01-04 devnull 		wexits("initdraw");
243 24c02865 2005-01-04 devnull 	}
244 b3453e08 2009-08-10 fshahriar 	display->locking = 1;
245 fa325e9b 2020-01-10 cross 
246 24c02865 2005-01-04 devnull 	truecolor = screen->depth > 8;
247 24c02865 2005-01-04 devnull 	viewer(doc);
248 24c02865 2005-01-04 devnull 	wexits(0);
249 24c02865 2005-01-04 devnull }
250 24c02865 2005-01-04 devnull 
251 24c02865 2005-01-04 devnull void
252 24c02865 2005-01-04 devnull wexits(char *s)
253 24c02865 2005-01-04 devnull {
254 05a4d855 2007-03-26 devnull 	if(s && *s && strcmp(s, "note") != 0 && mknewwindow)
255 05a4d855 2007-03-26 devnull 		sleep(10*1000);
256 05a4d855 2007-03-26 devnull 	postnote(PNPROC, notewatcher, "die");
257 05a4d855 2007-03-26 devnull 	postnote(PNGROUP, getpid(), "die");
258 05a4d855 2007-03-26 devnull 	threadexitsall(s);
259 24c02865 2005-01-04 devnull }