json.tcl first attempt at connection code

diff --git a/json.tcl b/json.tcl
index 7503515..1acd13f 100644 (file)
--- a/json.tcl
+++ b/json.tcl
@@ -32,6 +32,13 @@ namespace eval ten::json {
       return $num
     }
 
+    proc decomma {str} {
+      switch [string index $str end] {
+        , { string range $str 0 end-1 }
+        default { return $str }
+      }
+    }
+
     proc list {args} {
       variable indent
       variable nl
@@ -41,6 +48,7 @@ namespace eval ten::json {
         append out $nl$indent
         append out [ deparse $el ],
       }
+      set out [ decomma $out ]
       outdent_one
       append out $nl$indent\]
       return $out
@@ -54,6 +62,7 @@ namespace eval ten::json {
       dict for {k v} $args {
         append out $nl$indent[ str $k ]:\ [ deparse $v ],
       }
+      set out [ decomma $out ]
       outdent_one
       append out $nl$indent\}
     }
@@ -240,6 +249,36 @@ set jtext {
   ]
 }
 
+namespace eval ten::connection {
+
+  proc receive_data_for {name} {
+    
+
+  proc conn_setup {name input output initial_handlers} {
+    variable "${name}_input" $input
+    variable "${name}_input_closed" ""
+    variable "${name}_output" $output
+    variable "${name}_handlers"
+    array set "${name}_handlers" $initial_handlers
+    fileevent $input readable [list receive_data_for $name]
+    puts $output Shere
+  }
+
+  proc run_until_close {name} {
+    vwait "${name}_input_closed"
+    set close_value "\$${name}_input_closed"
+    teardown $name
+    return $close_value
+  }
+
+  proc teardown {name} {
+    close [ expr "\$${name}_output" ]
+    unset "${name}_input"
+    unset "${name}_input_closed"
+    unset "${name}_output"
+    unset "${name}_handlers"
+  }
+
 namespace import ten::json::*
 
 puts [ deparse_json $ex_json 2 ]