diff options
Diffstat (limited to 'appl/alphabet/fs/print.b')
| -rw-r--r-- | appl/alphabet/fs/print.b | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/appl/alphabet/fs/print.b b/appl/alphabet/fs/print.b new file mode 100644 index 00000000..4c9bee59 --- /dev/null +++ b/appl/alphabet/fs/print.b @@ -0,0 +1,61 @@ +implement Print, Fsmodule; +include "sys.m"; + sys: Sys; +include "draw.m"; +include "sh.m"; +include "alphabet/reports.m"; + reports: Reports; + 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; + +Print: module {}; + +types(): string +{ + return "ft"; +} + +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; + reports = load Reports Reports->PATH; + if(reports == nil) + badmod(Reports->PATH); + fs = load Fs Fs->PATH; + if(fs == nil) + badmod(Fs->PATH); + fs->init(); +} + +run(nil: ref Draw->Context, report: ref Report, + nil: list of Option, args: list of ref Value): ref Value +{ + f := chan of ref Sys->FD; + spawn printproc(f, (hd args).t().i, report.start("/fs/print")); + return ref Value.Vf(f); +} + +printproc(f: chan of ref Sys->FD, c: Entrychan, errorc: chan of string) +{ + f <-= nil; + if((fd := <-f) == nil){ + c.sync <-= 0; + reports->quit(errorc); + } + c.sync <-= 1; + while(((d, p, nil) := <-c.c).t0 != nil) + sys->fprint(fd, "%s\n", p); + sys->fprint(fd, ""); + reports->quit(errorc); +} |
