From 28256e22ade5d95e52ab7ab130364ca7993a6b38 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Tue, 9 Jun 2009 14:16:40 +0100
Subject: [PATCH] WIP test decode-marketdata with example2

---
 pctb/yppsc-decode-marketdata | 42 +++++++++++++++++++++++-------------
 1 file changed, 27 insertions(+), 15 deletions(-)

diff --git a/pctb/yppsc-decode-marketdata b/pctb/yppsc-decode-marketdata
index 969ada0..787790c 100755
--- a/pctb/yppsc-decode-marketdata
+++ b/pctb/yppsc-decode-marketdata
@@ -2,6 +2,8 @@
 
 use IO::Handle;
 
+$debug=1 if @ARGV;
+
 open CM, "commodmap" or die $!;
 while (<CM>) {
     m/^(\S.*\S)\t(\d+)$/ or die;
@@ -17,20 +19,25 @@ die $! if CM->error;
 		T Tailor
 		W Weaving);
 
-sub getline() {
+sub getline ($) {
+    my ($w)= @_;
     $!=0; my $l= <STDIN>; die $! unless defined $l;
     die $! if STDIN->error;
     die unless chomp $l;
-#print STDERR "GOT LINE [$l]\n";
+    print "GOT FOR $w LINE [$l]\n"
+	if $debug;
     return $l;
 }
 
-sub getint() {
+sub getint ($) {
+    my ($w)= @_;
     my $b;
+    my $t= tell STDIN; $t>=0 or die $!;
     my $r= read STDIN,$b,2; die $! if STDIN->error;
     die unless $r==2;
     my $v= scalar unpack "v", $b;
-#printf STDERR "GOT INT %d 0x%x\n", $v, $v;
+    printf "GOT AT 0x%x INT FOR %s VALUE %d 0x%x\n", $t, $w, $v, $v
+	if $debug;
     return $v;
 }
 
@@ -38,16 +45,16 @@ sub inmap($\@$) {
     my ($what,$ary,$ix) = @_;
     my $got= $ary->[$ix];
     return $got if defined $got;
-    die "$what $ix ?";
+    warn "$what $ix ?";
 }
     
 
-printf "# Version: \"%s\"\n", getline();
-$nstalls= getline()+0;
+printf "# Version: \"%s\"\n", getline("version");
+$nstalls= getline("nstalls")+0;
 
 while (@stalls < $nstalls) {
-    $_= getline();
-    if (s/\^[A-Z]$//) {
+    $_= getline("stall name ".(@stalls+1));
+    if (s/\^([A-Z])$//) {
 	$kind= $1;
 	$sk= $stallkinds{$kind};
 	die "kind $kind in $_ ?" unless defined $sk;
@@ -60,14 +67,14 @@ unshift @stalls, undef;
 $|=1;
 
 foreach $bs qw(Buy Sell) {
-    $ncommods= getint();
+    $ncommods= getint("Buy ncommods");
     for ($commodnum=0; $commodnum<$ncommods; $commodnum++) {
-	$commodix= getint();
-	$offers= getint();
+	$commodix= getint("Buy $commodnum commodix");
+	$offers= getint("Buy $commodnum offers");
 	for ($offernum=0; $offernum<$offers; $offernum++) {
-	    $stallix= getint();
-	    $price= getint();
-	    $qty= getint();
+	    $stallix= getint("Buy $commodnum $offernum stallix");
+	    $price= getint("Buy $commodnum $offernum price");
+	    $qty= getint("Buy $commodnum $offernum qty");
 	    printf("%s\t%s\t%s",
 		   $bs,
 		   inmap('commod',@commodmap,$commodix),
@@ -79,3 +86,8 @@ foreach $bs qw(Buy Sell) {
 	}
     }
 }
+
+$r= read STDIN,$b,1;
+STDIN->error and die $!;
+STDIN->eof or die;
+$b and die;
-- 
2.30.2