From ea1b537c632e38d9daa857f33ba85f184f66a61a Mon Sep 17 00:00:00 2001
From: William Joye <wjoye@cfa.harvard.edu>
Date: Mon, 18 Jun 2018 16:56:28 -0400
Subject: add ds9 magnifier send parser

---
 ds9/library/magnifier.tcl           | 13 ++++++-------
 ds9/library/source.tcl              |  2 ++
 ds9/parsers/magnifiersendlex.fcl    | 17 +++++++++++++++++
 ds9/parsers/magnifiersendparser.tac | 29 +++++++++++++++++++++++++++++
 4 files changed, 54 insertions(+), 7 deletions(-)
 create mode 100644 ds9/parsers/magnifiersendlex.fcl
 create mode 100644 ds9/parsers/magnifiersendparser.tac

diff --git a/ds9/library/magnifier.tcl b/ds9/library/magnifier.tcl
index 2ddfd1b..fe0ad11 100644
--- a/ds9/library/magnifier.tcl
+++ b/ds9/library/magnifier.tcl
@@ -147,14 +147,13 @@ proc ProcessMagnifierCmd {varname iname} {
 }
 
 proc ProcessSendMagnifierCmd {proc id param {sock {}} {fn {}}} {
-    global pmagnifier
+    global parse
+    set parse(proc) $proc
+    set parse(id) $id
 
-    switch -- [string tolower [lindex $param 0]] {
-	color {$proc $id "$pmagnifier(color)\n"}
-	zoom {$proc $id "$pmagnifier(zoom)\n"}
-	cursor {$proc $id [ToYesNo $pmagnifier(cursor)]}
-	region {$proc $id [ToYesNo $pmagnifier(region)]}
-    }
+    magnifiersend::YY_FLUSH_BUFFER
+    magnifiersend::yy_scan_string $param
+    magnifiersend::yyparse
 }
 
 
diff --git a/ds9/library/source.tcl b/ds9/library/source.tcl
index 4492bbe..2a16199 100644
--- a/ds9/library/source.tcl
+++ b/ds9/library/source.tcl
@@ -282,6 +282,8 @@ source $ds9(root)/library/locksendparser.tcl
 source $ds9(root)/library/locksendlex.tcl
 source $ds9(root)/library/magnifierparser.tcl
 source $ds9(root)/library/magnifierlex.tcl
+source $ds9(root)/library/magnifiersendparser.tcl
+source $ds9(root)/library/magnifiersendlex.tcl
 source $ds9(root)/library/maskparser.tcl
 source $ds9(root)/library/masklex.tcl
 source $ds9(root)/library/matchparser.tcl
diff --git a/ds9/parsers/magnifiersendlex.fcl b/ds9/parsers/magnifiersendlex.fcl
new file mode 100644
index 0000000..18b9379
--- /dev/null
+++ b/ds9/parsers/magnifiersendlex.fcl
@@ -0,0 +1,17 @@
+#tab magnifiersendparser.tab.tcl
+
+%{
+%}
+
+#include defs.fin
+
+%%
+
+color	    {return $COLOR_}
+cursor	    {return $CURSOR_}
+region	    {return $REGION_}
+zoom	    {return $ZOOM_}
+
+#include ws.fin
+
+%%
diff --git a/ds9/parsers/magnifiersendparser.tac b/ds9/parsers/magnifiersendparser.tac
new file mode 100644
index 0000000..31124a5
--- /dev/null
+++ b/ds9/parsers/magnifiersendparser.tac
@@ -0,0 +1,29 @@
+%{
+%}
+
+%start magnifiersend
+
+%token COLOR_
+%token CURSOR_
+%token REGION_
+%token ZOOM_
+
+%%
+
+magnifiersend : COLOR_ {ProcessSendCmdGet pmagnifier color}
+ | ZOOM_ {ProcessSendCmdGet pmagnifier zoom}
+ | CURSOR_ {ProcessSendCmdGet pmagnifier cursor}
+ | REGION_ {ProcessSendCmdGet pmagnifier region}
+# backward compatibility
+ | {ProcessSendCmdYesNo view magnifier}
+ ;
+
+%%
+
+proc magnifiersend::yyerror {msg} {
+     variable yycnt
+     variable yy_current_buffer
+     variable index_
+
+     ParserError $msg $yycnt $yy_current_buffer $index_
+}
-- 
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