int
runmacro(int dot, int argc, Rune **argv)
{
Rune *p;
int i;
Mac *m;
if(verbose && isupperrune(argv[0][0])) fprint(2, "run: %S\n", argv[0]);
p = getds(argv[0]);
if(p == nil){
if(verbose)
warn("ignoring unknown request %C%S", dot, argv[0]);
if(verbose > 1){
for(i=0; i<argc; i++)
fprint(2, " %S", argv[i]);
fprint(2, "\n");
}
return -1;
}
if(nmstack >= nelem(mstack)){
fprint(2, "%L: macro stack overflow:");
for(i=0; i<nmstack; i++)
fprint(2, " %S", mstack[i].argv[0]);
fprint(2, "\n");
return -1;
}
m = &mstack[nmstack++];
m->argc = argc;
for(i=0; i<argc; i++)
m->argv[i] = erunestrdup(argv[i]);
pushinputstring(p);
nr(L(".$"), argc-1);
inputnotify(popmacro);
return 0;
}
/* .wh - install trap */
void
r_wh(int argc, Rune **argv)
{
int i;
if(argc < 2)
return;
i = eval(argv[1]);
if(argc == 2){
if(i == 0){
free(trap0);
trap0 = nil;
}else
if(verbose)
warn("not removing trap at %d", i);
}
if(argc > 2){
if(i == 0){
free(trap0);
trap0 = erunestrdup(argv[2]);
}else
if(verbose)
warn("not installing %S trap at %d", argv[2], i);
}
}
/*
* Read the current line in given mode. Newline not kept.
* Uses different buffer from copyarg!
*/
Rune*
readline(int m)
{
static Rune buf[MaxLine];
Rune *r;
if(_readx(buf, sizeof buf, m, 1) < 0)
return nil;
r = erunestrdup(buf);
return r;
}
void
_inputstring(Rune *s, void (*push)(Istack*))
{
Istack *is;
is = emalloc(sizeof *is);
is->s = erunestrdup(s);
is->p = is->s;
is->ep = is->p+runestrlen(is->p);
push(is);
}
void
r_it(int argc, Rune **argv)
{
if(argc < 3){
itrapcount = 0;
return;
}
itrapcount = eval(argv[1]);
free(itrapname);
itrapname = erunestrdup(argv[2]);
}
void
renraw(Rune *from, Rune *to)
{
int i;
delraw(to);
for(i=0; i<nraw; i++)
if(runestrcmp(raw[i].name, from) == 0){
free(raw[i].name);
raw[i].name = erunestrdup(to);
return;
}
}
void
addraw(Rune *name, void (*f)(Rune*))
{
Raw *r;
if(nraw >= nelem(raw)){
fprint(2, "too many raw requets\n");
return;
}
r = &raw[nraw++];
r->name = erunestrdup(name);
r->f = f;
}
/* this is a HACK */
Rune*
urlcombine(Rune *b, Rune *u)
{
Rune *p, *q, *sep, *s;
Rune endrune[] = { L'?', L'#' };
int i, restore;
if(u == nil)
error("urlcombine: u == nil");
if(validurl(u))
return erunestrdup(u);
if(b==nil || !validurl(b))
error("urlcombine: b==nil || !validurl(b)");
if(runestrncmp(u, L"//", 2) == 0){
q = runestrchr(b, L':');
return runesmprint("%.*S:%S", (int)(q-b), b, u);
}
p = runestrstr(b, L"://");
if(p != nil)
p += 3;
sep = L"";
q = nil;
if(*u ==L'/')
q = runestrchr(p, L'/');
else if(*u==L'#' || *u==L'?'){
for(i=0; i<nelem(endrune); i++)
if(q = runestrchr(p, endrune[i]))
break;
}else if(p != nil){
sep = L"/";
restore = 0;
s = runestrchr(p, L'?');
if(s != nil){
*s = '\0';
restore = 1;
}
q = runestrrchr(p, L'/');
if(restore)
*s = L'?';
}else
sep = L"/";
if(q == nil)
p = runesmprint("%S%S%S", b, sep, u);
else
p = runesmprint("%.*S%S%S", (int)(q-b), b, sep, u);
urlcanon(p);
return p;
}
void
addreq(Rune *s, void (*f)(int, Rune**), int argc)
{
Req *r;
if(nreq >= nelem(req)){
fprint(2, "too many requests\n");
return;
}
r = &req[nreq++];
r->name = erunestrdup(s);
r->f = f;
r->argc = argc;
}
static void
setname(void)
{
Rune *r, *p;
if(istack == nil || istack->name == nil)
return;
_nr(L(".F"), istack->name);
r = erunestrdup(istack->name);
p = runestrchr(r, '.');
if(p)
*p = 0;
_nr(L(".B"), r);
free(r);
}
void
setlinenumber(Rune *s, int n)
{
Istack *is;
for(is=istack; is && !is->name; is=is->next)
;
if(is){
if(s){
free(is->name);
is->name = erunestrdup(s);
}
is->lineno = n;
}
}
int
_inputstdin(void (*push)(Istack*))
{
Biobuf *b;
Istack *is;
if((b = Bopen("/dev/null", OREAD)) == nil){
fprint(2, "%s: open /dev/null: %r\n", argv0);
return -1;
}
dup(0, b->fid);
is = emalloc(sizeof *is);
is->b = b;
is->name = erunestrdup(L("stdin"));
is->lineno = 1;
push(is);
return 0;
}
/*
* Get the next argument from the current line.
*/
Rune*
copyarg(void)
{
static Rune buf[MaxLine];
int c;
Rune *r;
if(_readx(buf, sizeof buf, ArgMode, 0) < 0)
return nil;
r = runestrstr(buf, L("\\\""));
if(r){
*r = 0;
while((c = getrune()) >= 0 && c != '\n')
;
ungetrune('\n');
}
r = erunestrdup(buf);
return r;
}
int
_inputfile(Rune *s, void (*push)(Istack*))
{
Istack *is;
Biobuf *b;
char *t;
t = esmprint("%S", s);
if((b = Bopen(t, OREAD)) == nil){
free(t);
fprint(2, "%s: open %S: %r\n", argv0, s);
return -1;
}
free(t);
is = emalloc(sizeof *is);
is->b = b;
is->name = erunestrdup(s);
is->lineno = 1;
push(is);
return 0;
}
void
r_ch(int argc, Rune **argv)
{
int i;
if(argc == 2){
if(trap0 && runestrcmp(argv[1], trap0) == 0){
free(trap0);
trap0 = nil;
}else
if(verbose)
warn("not removing %S trap", argv[1]);
return;
}
if(argc >= 3){
i = eval(argv[2]);
if(i == 0){
free(trap0);
trap0 = erunestrdup(argv[1]);
}else
if(verbose)
warn("not moving %S trap to %d", argv[1], i);
}
}
static
void
pageloadproc(void *v)
{
Page *p;
char buf[BUFSIZE], *s;
int32_t n, l;
int fd, i, ctype;
threadsetname("pageloadproc");
rfork(RFFDG);
p = v;
addrefresh(p, "opening: %S...", p->url->src.r);
fd = urlopen(p->url);
if(fd < 0){
addrefresh(p, "%S: %r", p->url->src.r);
Err:
p->loading = FALSE;
return;
}
if(runestrlen(p->url->ctype.r) == 0) /* assume .html when headers don't say anyting */
goto Html;
snprint(buf, sizeof(buf), "%S", p->url->ctype.r);
for(i=0; mimetab[i]!=nil; i++)
if(cistrncmp(buf, mimetab[i], strlen(mimetab[i])) == 0)
break;
if(mimetab[i]){
Html:
ctype = TextHtml;
}else if(cistrncmp(buf, "text/", 5) == 0)
ctype = TextPlain;
else{
close(fd);
addrefresh(p, "%S: unsupported mime type: '%S'", p->url->act.r, p->url->ctype.r);
goto Err;
}
addrefresh(p, "loading: %S...", p->url->src.r);
s = nil;
l = 0;
while((n=read(fd, buf, sizeof(buf))) > 0){
if(p->aborting){
if(s){
free(s);
s = nil;
}
break;
}
s = erealloc(s, l+n+1);
memmove(s+l, buf, n);
l += n;
s[l] = '\0';
}
close(fd);
n = l;
if(s){
s = convert(p->url->ctype, s, &n);
p->items = parsehtml((uint8_t *)s, n, p->url->act.r, ctype,
UTF_8, &p->doc);
free(s);
fixtext(p);
if(ctype==TextHtml && p->aborting==FALSE){
p->changed = TRUE;
addrefresh(p, "");
if(p->doc->doctitle){
p->title.r = erunestrdup(p->doc->doctitle);
p->title.nr = runestrlen(p->title.r);
}
p->loading = XXX;
if(p->doc->kidinfo)
loadchilds(p, p->doc->kidinfo);
else if(p->doc->images)
loadimages(p);
}
}
p->changed = TRUE;
p->loading = FALSE;
addrefresh(p, "");
}