F #2505: Add nested filters

src/cli/cli_helper.rb

@@ -55,6 +55,14 @@ module CLIHelper
         :description => "Filter data. An array is specified with\n"<<
                         " "*31<<"column=value pairs."
     }
+    OPERATOR = {
+        :name  => "operator",
+        :large => "--operator operator",
+        :format => String,
+        :description => "Logical operator used on filters: AND, OR."<<
+                        " Default: AND."
+    }
+
     #
     #HEADER = {
     #    :name  => "header",
@@ -82,7 +90,7 @@ module CLIHelper
     }
 
     #OPTIONS = [LIST, ORDER, FILTER, HEADER, DELAY]
-    OPTIONS = [LIST, LISTCONF, DELAY, FILTER, CSV_OPT, NO_PAGER]
+    OPTIONS = [LIST, LISTCONF, DELAY, FILTER, OPERATOR, CSV_OPT, NO_PAGER]
 
     # Sets bold font
     def CLIHelper.scr_bold
@@ -330,7 +338,7 @@ def data_array(data, options)
             }
 
             if options
-                filter_data!(res_data, options[:filter]) if options[:filter]
+                filter_data!(res_data, options) if options[:filter]
                 sort_data!(res_data, options[:order]) if options[:order]
             end
 
@@ -393,10 +401,16 @@ def header_str
             }.compact.join(' ')
         end
 
-        def filter_data!(data, filter)
+        def filter_data!(data, options)
             # TBD: add more operators
             # operators=/(==|=|!=|<|<=|>|>=)/
             operators=/(=|!=)/
+            filter = options[:filter]
+            if options.key?(:operator)
+              log_operator = options[:operator].upcase
+            else
+                log_operator = "AND"
+            end
 
             stems=filter.map do |s|
                 m=s.match(/^(.*?)#{operators}(.*?)$/)
@@ -427,12 +441,19 @@ def filter_data!(data, filter)
                 stems.each do |s|
 
                     if d[s[:index]].public_send(s[:operator] == "=" ? "==" : s[:operator], s[:right])
-                        pass=false
-                        break
+                        if log_operator == "OR"
+                            pass = true
+                            break
+                        end
+                    else
+                        pass = false
+                        if log_operator == "AND"
+                            break
+                        end
                     end
                 end
 
-                !pass
+                pass
             end
         end