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#include "wily.h"
#include "view.h"
static Bool view_literal(View**vp, Range*r, char*s);
static Bool view_gotofile(View**vp, Range *r, char *s);
/* If 'label' is the label of some existing file, return View for it. */
View*
openlabel(char*label, Bool create) {
View*v;
Path contracted;
pathcontract(contracted,label);
if ( (v=data_find(contracted)) ) {
tile_show(v->tile);
return v;
} else if ( (v=data_open(contracted,create)) )
return v;
else
return 0;
}
/* Look (builtin) for 'arg' in the context of 'v' */
void
view_look (View *v, char *arg) {
Bool found = false;
ulong p;
Range r;
assert(ISBODY(v));
p = (v->sel.p0 + 1) % text_length(v->t);
r = range(p, p);
if(arg) {
found = text_findliteralutf(v->t, &r, arg);
} else if (RLEN(v->sel) ){
found = text_look(v->t, &r, v->sel);
} else {
found = false;
}
if(found){
view_show(v,r);
view_select(v, r);
view_setlastselection(v);
}
}
/*
* Search for address 's'. Use *vp for context, *r as the starting point
* for searches. May create a new window, but doesn't otherwise affect
* the screen. If it finds something, return true, and fill in *vp and
* and *r with the location of where we found something.
*
* 's' may be of the form path:addr, :addr, path or a literal, searched
* for in that order.
*
* NB modifies 's'
*/
Bool
view_goto(View**vp, Range *r, char *s) {
return view_gotofile(vp,r,s) || view_literal(vp, r,s);
}
/* We've clicked the 'goto' button, selecting 'r' in 'v'
* If this window is under external control, just send the event,
* otherwise expand the selection, and 'goto' it, in the context of 'v'.
*/
void
b3(View *v, Range r) {
char *s;
View *oldv;
Range expanded;
Data *d;
View*found;
/* Try to send simply expanded version to remote process */
expanded = view_expand(v, r, notaddress);
if (!RLEN(expanded))
return; /* empty click nowhere -- ignore */
s = text_duputf(v->t, expanded);
d = view_data(v);
oldv = v;
/* Send to remote process? */
if(data_sendgoto(d,expanded, s))
goto cleanup;
if (view_gotofile(&v, &expanded, s)) { /* Simple file? */
r = expanded;
} else if ( (found = openinclude(v,r)) ) {
v = found;
r = found->sel;
} else if (view_literal(&v, &expanded, s)) { /* Literal? */
r = expanded;
} else { /* found nothing */
goto cleanup;
}
view_show(v,r);
view_select(v,r);
view_setlastselection(v);
/* warp unless b3 in the tag jumps to the body. */
if (oldv != tile_tag(view_win(v)))
view_warp(v,r);
cleanup:
free(s);
}
/* Search for literal 's' in '*vp' starting at '*r'.
* If we find a match, update 'vp' and 'r' and return true,
* otherwise, return false.
*/
static Bool
view_literal(View**vp, Range*r, char*s) {
View*v;
Text *t;
Range tmp;
v = *vp;
tmp = *r;
/* Only makes sense if 'v' is a body or we can find a useful body */
if(!ISBODY(v)){
if ((v = view_body(v)) || (v = view_body(last_selection))) {
tmp = v->sel;
} else {
return false;
}
}
assert(ISBODY(v));
t = v->t;
if(text_findliteralutf(t, &tmp, s)) {
*vp = v;
*r = tmp;
return true;
}
return false;
}
/*
* Search for address 's'. Use *vp for context, *r as the starting point
* for searches. May create a new window, but doesn't otherwise affect
* the screen. If it finds something, update *vp and *r and return
* true, otherwise return false and leave vp and r alone
*
* 's' may be of the form path:addr, or path, or :addr.
*/
static Bool
view_gotofile(View**vp, Range *r, char *s) {
View *v = *vp;
View *v2;
char *addr;
char *colon; /* preserve the colon */
Path label;
colon = strchr(s, ':');
if (colon) {
addr = colon + 1;
*colon=0;
}else
addr = 0;
/* look for 's' as a file or directory */
if(strlen(s)) {
data_addcontext(view_data(v), label, s);
if(colon)
*colon=':';
if( (v2=openlabel(label, false))){
*vp = v = v2;
*r = v->sel;
if(!addr)
return true; /* "label" */
} else if (addr)
return false; /* label:addr, bad path */
}
/*
* If we get this far, either we didn't find a matching file, or
* we still have to evaluate an address.
*/
if(colon)
*colon = ':';
if(!addr)
return false;
/* :addr by itself then */
if(!ISBODY(v)){
if( ! ((v = view_body(v)) || (v = view_body(last_selection))) )
return false;
*vp = v;
*r = v->sel;
}
return text_search(v->t, r, addr, v->sel);
}
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