1 files changed, 52 insertions, 0 deletions
diff --git a/appl/alphabet/main/export.b b/appl/alphabet/main/export.b
new file mode 100644
index 00000000..5e9b986e
--- /dev/null
+++ b/appl/alphabet/main/export.b
@@ -0,0 +1,52 @@
+implement Export,Mainmodule;
+include "sys.m";
+	sys: Sys;
+include "draw.m";
+include "sh.m";
+include "alphabet/reports.m";
+	reports: Reports;
+		Report, report: import reports;
+include "alphabet.m";
+	alphabet: Alphabet;
+		Value: import alphabet;
+
+Export: module {};
+
+typesig(): string
+{
+	return "ws";
+}
+
+init()
+{
+	sys = load Sys Sys->PATH;
+	alphabet = load Alphabet Alphabet->PATH;
+	reports = load Reports Reports->PATH;
+}
+
+quit()
+{
+}
+
+run(nil: ref Draw->Context, r: ref Reports->Report, nil: chan of string,
+		nil: list of (int, list of ref Alphabet->Value),
+		args: list of ref Alphabet->Value): ref Alphabet->Value
+{
+	w := chan of ref Sys->FD;
+	addr := (hd args).s().i;
+	f := chan of ref Sys->FD;
+	spawn exportproc(f, (hd args).s().i, r.start("export"));
+	return ref Value.Vw(f);
+}
+
+exportproc(f: chan of ref Sys->FD, dir: string, errorc: chan of string)
+{
+	f <-= nil;
+	fd := <-f;
+	if(fd == nil)
+		reports->quit(errorc);
+	errorc <-= nil;
+	if(sys->export(fd, dir, Sys->EXPASYNC) == -1)
+		report(errorc, sys->sprint("cannot export: %r"));
+	reports->quit(errorc);
+}