From 39a20376dc46c9d2212b4e87d3e9711d7405dab7 Mon Sep 17 00:00:00 2001
From: William Joye <wjoye@cfa.harvard.edu>
Date: Tue, 19 Jun 2018 11:57:20 -0400
Subject: add ds9 vo send parser

---
 ds9/library/source.tcl       |  2 ++
 ds9/library/vo.tcl           | 45 +++++++++++++++++++-------------------------
 ds9/parsers/vosendlex.fcl    | 18 ++++++++++++++++++
 ds9/parsers/vosendparser.tac | 30 +++++++++++++++++++++++++++++
 4 files changed, 69 insertions(+), 26 deletions(-)
 create mode 100644 ds9/parsers/vosendlex.fcl
 create mode 100644 ds9/parsers/vosendparser.tac

diff --git a/ds9/library/source.tcl b/ds9/library/source.tcl
index ffee7f2..f71b9e0 100644
--- a/ds9/library/source.tcl
+++ b/ds9/library/source.tcl
@@ -436,6 +436,8 @@ source $ds9(root)/library/vlsssendparser.tcl
 source $ds9(root)/library/vlsssendlex.tcl
 source $ds9(root)/library/voparser.tcl
 source $ds9(root)/library/volex.tcl
+source $ds9(root)/library/vosendparser.tcl
+source $ds9(root)/library/vosendlex.tcl
 source $ds9(root)/library/wcsparser.tcl
 source $ds9(root)/library/wcslex.tcl
 source $ds9(root)/library/wcssendparser.tcl
diff --git a/ds9/library/vo.tcl b/ds9/library/vo.tcl
index 3f52ac7..b5c1be4 100644
--- a/ds9/library/vo.tcl
+++ b/ds9/library/vo.tcl
@@ -501,35 +501,28 @@ proc VOCmdDisconnect {str} {
 }
 
 proc ProcessSendVOCmd {proc id param {sock {}} {fn {}}} {
+    global parse
+    set parse(proc) $proc
+    set parse(id) $id
+
+    vosend::YY_FLUSH_BUFFER
+    vosend::yy_scan_string $param
+    vosend::yyparse
+}
+
+proc VOSendCmdConnect {{all {0}}} {
     global ivo
     global pvo
 
-    switch -- [string tolower $param] {
-	method {$proc $id "$pvo(method)\n"}
-	server {$proc $id "$pvo(server)\n"}
-	internal {$proc $id [ToYesNo $pvo(hv)]}
-	delay {$proc $id "$pvo(delay)\n"}
-	connect {
-	    # current connections
-	    set len [llength $ivo(server,button)]
-	    set rr {}
-	    for {set ii 0} {$ii<$len} {incr ii} {
-		if {$ivo(b$ii)} {
-		    append rr "[lindex $ivo(server,host) $ii] [lindex $ivo(server,title) $ii] [lindex $ivo(server,url) $ii] $ivo(b$ii)\n"
-		}
-	    }
-	    $proc $id $rr
-	}
-	default {
-	    VODialog
-	    # all possible connections
-	    set len [llength $ivo(server,button)]
-	    set rr {}
-	    for {set ii 0} {$ii<$len} {incr ii} {
-		append rr "[lindex $ivo(server,host) $ii] [lindex $ivo(server,title) $ii] [lindex $ivo(server,url) $ii] $ivo(b$ii)\n"
-	    }
-	    $proc $id $rr
+    VODialog
+
+    set len [llength $ivo(server,button)]
+    set rr {}
+    for {set ii 0} {$ii<$len} {incr ii} {
+	if {$all || $ivo(b$ii)} {
+	    append rr "[lindex $ivo(server,host) $ii] [lindex $ivo(server,title) $ii] [lindex $ivo(server,url) $ii] $ivo(b$ii)\n"
 	}
     }
-}
 
+    ProcessSendCmdTxt $rr
+}
diff --git a/ds9/parsers/vosendlex.fcl b/ds9/parsers/vosendlex.fcl
new file mode 100644
index 0000000..22ed2e6
--- /dev/null
+++ b/ds9/parsers/vosendlex.fcl
@@ -0,0 +1,18 @@
+#tab vosendparser.tab.tcl
+
+%{
+%}
+
+#include defs.fin
+
+%%
+
+connect     {return $CONNECT_}
+delay	    {return $DELAY_}
+internal    {return $INTERNAL_}
+method	    {return $METHOD_}
+server	    {return $SERVER_}
+
+#include ws.fin
+
+%%
diff --git a/ds9/parsers/vosendparser.tac b/ds9/parsers/vosendparser.tac
new file mode 100644
index 0000000..065f8e5
--- /dev/null
+++ b/ds9/parsers/vosendparser.tac
@@ -0,0 +1,30 @@
+%{
+%}
+
+%start vosend
+
+%token CONNECT_
+%token DELAY_
+%token INTERNAL_
+%token METHOD_
+%token SERVER_
+
+%%
+
+vosend : {VOSendCmdConnect 1}
+ | METHOD_ {ProcessSendCmdGet pvo method}
+ | SERVER_ {ProcessSendCmdGet pvo server}
+ | INTERNAL_ {ProcessSendCmdYesNo pvo hv}
+ | DELAY_ {ProcessSendCmdGet pvo delay}
+ | CONNECT_ {VOSendCmdConnect}
+ ;
+
+%%
+
+proc vosend::yyerror {msg} {
+     variable yycnt
+     variable yy_current_buffer
+     variable index_
+
+     ParserError $msg $yycnt $yy_current_buffer $index_
+}
-- 
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