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implement Entries, Fsmodule;
include "sys.m";
sys: Sys;
include "draw.m";
include "sh.m";
include "alphabet/reports.m";
Report: import Reports;
include "alphabet/fs.m";
fs: Fs;
Value: import fs;
Fschan, Fsdata, Entrychan, Entry,
Gatechan, Gatequery, Nilentry, Option,
Next, Down, Skip, Quit: import Fs;
Entries: module {};
types(): string
{
return "tx";
}
badmod(p: string)
{
sys->fprint(sys->fildes(2), "fs: size: cannot load %s: %r\n", p);
raise "fail:bad module";
}
init()
{
sys = load Sys Sys->PATH;
fs = load Fs Fs->PATH;
if(fs == nil)
badmod(Fs->PATH);
fs->init();
}
run(nil: ref Draw->Context, nil: ref Report,
nil: list of Option, args: list of ref Value): ref Value
{
sc := Entrychan(chan of int, chan of Entry);
spawn entriesproc((hd args).x().i, sc);
return ref Value.Vt(sc);
}
entriesproc(c: Fschan, sc: Entrychan)
{
if(<-sc.sync == 0){
(<-c).t1 <-= Quit;
exit;
}
indent := 0;
names: list of string;
name: string;
loop:
for(;;){
(d, reply) := <-c;
if(d.dir != nil){
p: string;
depth := indent;
if(d.dir.mode & Sys->DMDIR){
names = name :: names;
if(indent == 0)
name = d.dir.name;
else{
if(name[len name - 1] != '/')
name[len name] = '/';
name += d.dir.name;
}
indent++;
reply <-= Down;
p = name;
}else{
p = name;
if(p[len p - 1] != '/')
p[len p] = '/';
p += d.dir.name;
reply <-= Next;
}
if(p != nil)
sc.c <-= (d.dir, p, depth);
}else{
reply <-= Next;
if(d.dir == nil && d.data == nil){
if(--indent == 0)
break loop;
(name, names) = (hd names, tl names);
}
}
}
sc.c <-= Nilentry;
}
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