shithub: gopher

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Handle binary item types and some cleanup.

	Binary item types can now be downloaded.
	Do not sysfatal on non fatal error but report error message.

--- a/gopher.c

+++ b/gopher.c

@@ -10,6 +10,7 @@

 #include "icons.h"

 void texthit(Panel *p, int b, Rtext *t);

+void message(char *s, ...);

 Image *backi;

 Image *fwdi;

@@ -19,23 +20,11 @@

 Panel *urlp;

 Panel *textp;

 Panel *statusp;

+Panel *urlp;

 char *url;

 Mouse *mouse;

 Hist *hist = nil;

-Gmenu*

-mkmenu(Link *l)

-{

-	Gmenu *m;

-

-	m = malloc(sizeof *m);

-	if(m==nil)

-		sysfatal("malloc: %r");

-	m->link = l;

-	m->text = nil;

-	return m;

-}

-

 Link*

 mklink(char *addr, char *sel, int type)

 {

@@ -50,6 +39,12 @@

 	return l;

 }

+Link*

+clonelink(Link *l)

+{

+	return mklink(l->addr, l->sel, l->type);

+}

+

 int

 seltype(char c)

 {

@@ -83,15 +78,16 @@

 	return t;

 }

+static char *Typestr[] = {

+	"FILE", "DIR", "NS", "ERR", "HEX",

+	"DOS", "UU", "?", "TELNET", "BIN",

+	"MIRROR", "GIF", "IMG", "T3270", "DOC",

+	"HTML", "", "SND", "EOF",

+};

+

 char*

 seltypestr(int type)

 {

-	static char *Typestr[] = {

-		"FILE", "DIR", "NS", "ERR", "HEX",

-		"DOS", "UU", "?", "TELNET", "BIN",

-		"MIRROR", "GIF", "IMG", "T3270", "DOC",

-		"HTML", "", "SND", "EOF",

-	};

 	return smprint("%6s", Typestr[type]);

 };

@@ -107,7 +103,7 @@

 	m = malloc(sizeof *m);

 	if(m==nil)

 		sysfatal("malloc: %r");

-	m->link = l;

+	m->link = clonelink(l);

 	m->text = nil;

 	plrtstr(&m->text, 1000000, 0, 0, font, strdup(" "), 0, 0);

 	for(;;){

@@ -148,7 +144,7 @@

 	m = malloc(sizeof *m);

 	if(m==nil)

 		sysfatal("malloc: %r");

-	m->link = l;

+	m->link = clonelink(l);

 	m->text = nil;

 	plrtstr(&m->text, 1000000, 0, 0, font, strdup(" "), 0, 0);

 	for(;;){

@@ -177,8 +173,10 @@

 	Gmenu *m;

 	fd = dial(l->addr, 0, 0, 0);

-	if(fd < 0)

-		sysfatal("dial: %r");

+	if(fd < 0){

+		message("unable to connect to %s: %r", l->addr);

+		return nil;

+	}

 	fprint(fd, "%s\r\n", l->sel);

 	bp = Bfdopen(fd, OREAD);

 	if(bp==nil){

@@ -202,14 +200,59 @@

 	return m;

 }

+void 

+message(char *s, ...)

+{

+	static char buf[1024];

+	char *out;

+	va_list args;

+

+	va_start(args, s);

+	out = buf + vsnprint(buf, sizeof(buf), s, args);

+	va_end(args);

+	*out='\0';

+	plinitlabel(statusp, PACKN|FILLX, buf);

+	pldraw(statusp, screen);

+	flushimage(display, 1);

+}

+

+char*

+linktourl(Link *l)

+{

+	char *f[3], *a, *s;

+	int n;

+

+	a = strdup(l->addr);

+	n = getfields(a, f, 3, 0, "!");

+	if(n != 3)

+		s = smprint("Url: gopher://%s%s", l->addr, l->sel);

+	else if(atoi(f[2])!=70)

+		s = smprint("Url: gopher://%s:%s%s", f[1], f[2], l->sel);

+	else

+		s = smprint("Url: gopher://%s%s", f[1], l->sel);

+	free(a);	

+	return s;	

+}

+

 void

+seturl(Link *l)

+{

+	free(url);

+	url = linktourl(l);

+}

+

+void

 show(Gmenu *m)

 {

 	plinittextview(textp, PACKE|EXPAND, ZP, m->text, texthit);

 	pldraw(textp, screen);

+	plinitlabel(urlp, PACKN|FILLX, url);

+	pldraw(urlp, screen);

+	message("gopher!");

 }

-void freetext(Rtext *t){

+void 

+freetext(Rtext *t){

 	Rtext *tt;

 	Link *l;

@@ -221,7 +264,8 @@

 		if(l = t->user){

 			t->user = 0;

 			free(l->addr);

-			free(l->sel);

+			if(l->sel!=nil && l->sel[0]!=0)

+				free(l->sel);

 			free(l);

 		}

 	}

@@ -237,9 +281,11 @@

 	for(n = h->n; h; h = n){

 		m = h->m;

 		freetext(m->text);

-		free(m->link->addr);

-		free(m->link->sel);

-		free(m->link);

+		if(m->link!=nil){

+			free(m->link->addr);

+			free(m->link->sel);

+			free(m->link);

+		}

 		free(h);

 	}	

 }

@@ -250,13 +296,19 @@

 	Gmenu *m;

 	Hist *h;

+	seturl(l);

+	message("loading %s...", url);

 	m = render(l);

+	if(m==nil)

+		return;

 	show(m);

 	h = malloc(sizeof *h);

 	if(h == nil)

 		sysfatal("malloc: %r");

+/* FIXME

 	if(hist != nil && hist->n != nil)

 		freehist(hist->n);

+*/

 	h->p = hist;

 	h->n = nil;

 	h->m = m;

@@ -328,6 +380,57 @@

 	close(fd);

 }

+void 

+save(Link *l, char *name){

+	char buf[1024];

+	int ifd, ofd;

+

+	ifd = dial(l->addr, 0, 0, 0);

+	if(ifd < 0){

+		message("save: %s: %r", name);

+		return;

+	}

+	fprint(ifd, "%s\r\n", l->sel);

+	ofd=create(name, OWRITE, 0666);

+	if(ofd < 0){

+		message("save: %s: %r", name);

+		return;

+	}

+	switch(rfork(RFNOTEG|RFNAMEG|RFFDG|RFMEM|RFPROC|RFNOWAIT)){

+	case -1:

+		message("Can't fork: %r");

+		break;

+	case 0:

+		dup(ifd, 0);

+		close(ifd);

+		dup(ofd, 1);

+		close(ofd);

+

+		snprint(buf, sizeof(buf),

+			"{tput -p || cat} |[2] {aux/statusmsg -k %q >/dev/null || cat >/dev/null}", name);

+		execl("/bin/rc", "rc", "-c", buf, nil);

+		exits("exec");

+	}

+	close(ifd);

+	close(ofd);

+}

+

+char*

+linktofile(Link *l){

+	char *n, *s;

+

+	if(l==nil)

+		return nil;

+	n = l->sel;

+	if(n==nil || n[0]==0)

+		n = "/";

+	if(s = strrchr(n, '/'))

+		n = s+1;

+	if(n[0]==0)

+		n = "file";

+	return n;

+}

+

 void

 texthit(Panel *p, int b, Rtext *t)

 {

@@ -360,6 +463,18 @@

 			free(s);

 		}

 		break;

+	case Tdos:

+	case Tbinary:

+	case Tbinhex:

+	case Tuuencoded:

+		snprint(buf, sizeof buf, "%s", linktofile(l));

+		if(eenter("Save as:", buf, sizeof buf, mouse)>0){

+			save(l, buf);

+		}

+		break;

+	default:

+		message("unhandled item type '%s'", Typestr[l->type]);

+		break;

 	}		

 }

@@ -373,6 +488,7 @@

 		return;

 	hist->p->n = hist;

 	hist = hist->p;

+	seturl(hist->m->link);

 	show(hist->m);

 }

@@ -385,6 +501,7 @@

 	if(hist==nil || hist->n==nil)

 		return;

 	hist = hist->n;

+	seturl(hist->m->link);

 	show(hist->m);

 }

@@ -405,18 +522,21 @@

 	Panel *p, *ybar, *xbar;

 	root = plgroup(0, EXPAND);

-	p = plframe(root, PACKN|FILLX);

+	p = plgroup(root, PACKN|FILLX);

+	statusp = pllabel(p, PACKN|FILLX, "gopher!");

+	plplacelabel(statusp, PLACEW);

 	plbutton(p, PACKW|BITMAP, backi, backhit);

 	plbutton(p, PACKW|BITMAP, fwdi, nexthit);

 	pllabel(p, PACKW, "Go:");

 	plentry(p, PACKN|FILLX, 0, "", entryhit);

+	p = plgroup(root, PACKN|FILLX);

+	urlp = pllabel(p, PACKN|FILLX, "");

+	plplacelabel(urlp, PLACEW);

 	p = plgroup(root, PACKN|EXPAND);

 	ybar = plscrollbar(p, PACKW|USERFL);

 	xbar = plscrollbar(p, IGNORE);

 	textp = pltextview(p, PACKE|EXPAND, ZP, nil, nil);

 	plscroll(textp, xbar, ybar);

-	statusp = pllabel(root, PACKN|FILLX, url);

-	plplacelabel(statusp, PLACEW);

 }

 void

@@ -488,7 +608,7 @@

 		url = argv[1];

 	else

 		url = "gopher.floodgap.com";

-

+	quotefmtinstall();

 	if(initdraw(nil, nil, "gopher")<0)

 		sysfatal("initdraw: %r");

 	einit(Emouse|Ekeyboard);