move xml printing details to xml_printer

Author: valich

lib/ruby-debug-ide/commands/expression_info.rb

@@ -43,13 +43,7 @@ def self.encoding
         incomplete = false
       end
 
-      @printer.print_pp <<-EOF.gsub(/\n */, ' ').gsub(/>\s+</m, '><').strip
-        <expressionInfo
-          incomplete="#{incomplete.to_s}"
-          prompt="#{last_prompt.gsub('"', '&quot;')}"
-          indent="#{last_indent.to_s}">
-        </expressionInfo>
-      EOF
+      @printer.print_expression_info(incomplete, last_prompt, last_indent)
     end
 
     class << self

lib/ruby-debug-ide/xml_printer.rb

@@ -220,6 +220,11 @@ def print_expressions(exps)
     def print_expression(exp, value, idx)
       print "<dispay name=\"%s\" value=\"%s\" no=\"%d\" />", exp, value, idx
     end
+
+    def print_expression_info(incomplete, prompt, indent)
+      print "<expressionInfo incomplete=\"%s\" prompt=\"%s\" indent=\"%s\"></expressionInfo>",
+        incomplete, CGI.escapeHTML(prompt), indent
+    end
 
     def print_eval(exp, value)
       print "<eval expression=\"%s\" value=\"%s\" />",  CGI.escapeHTML(exp), value