Added format support for filtering arguments

src/cligen/app/generate.cr

@@ -30,7 +30,8 @@ module CliGen
               validate: {% if anno[:validation] %} {{anno[:validation]}} {% else %} nil {% end %},
               on_match: {% if anno[:on_match] %} {{anno[:on_match]}} {% else %} nil {% end %},
               options: {% if anno[:options] %} {{anno[:options]}} {% else %} nil {% end %},
-              delimiter: {% if anno[:delimiter] %} {{anno[:delimiter]}} {% else %} nil {% end %}
+              delimiter: {% if anno[:delimiter] %} {{anno[:delimiter]}} {% else %} nil {% end %},
+              format: {% if anno[:format] %} {{anno[:format]}} {% else %} nil {% end %}
             )
           {% debug if env("DEBUG") %}
           {% end %}

src/cligen/command/argument.cr

@@ -1,6 +1,6 @@
 module CliGen
   class Command
-    macro argument(variable, description, long = nil, short = nil, validation = nil, on_match = nil, def_setter = false, def_getter = false, options = nil, delimiter = ",")
+    macro argument(variable, description, long = nil, short = nil, validation = nil, on_match = nil, def_setter = false, def_getter = false, options = nil, delimiter = ",", format = nil)
       {% raise "ERROR : CliGen::Command.argument : def_setter must be a Bool" unless def_setter.is_a? BoolLiteral %}
       {% raise "ERROR : CliGen::Command.argument : First argument (#{variable}) must be a TypeDeclaration (ex: '<var> : <type> [= val]')" unless variable.is_a? TypeDeclaration %}
       {% name = variable.var %}
@@ -37,8 +37,12 @@ module CliGen
         {% options = options.resolve if options.is_a? Path %}
         {% raise "ERROR : CliGen::Command.argument(#{name}) : Provided options must be an ArrayLiteral" unless options.is_a? ArrayLiteral %}
       {% end %}
+      {% if format %}
+        {% format = format.resolve if format.is_a? Path %}
+        {% raise "ERROR : CliGen::Command.argument(#{name}) : Provided format must be a RegexLiteral" unless format.is_a? RegexLiteral %}
+      {% end %}
 
-      @[CliGen::Argument(short: {{short}}, long: {{long}}, description: {{description}}, validation: {{validation}}, on_match: {{on_match}}, options: {{options}}, delimiter: {{delimiter}})]
+      @[CliGen::Argument(short: {{short}}, long: {{long}}, description: {{description}}, validation: {{validation}}, on_match: {{on_match}}, options: {{options}}, delimiter: {{delimiter}}, format: {{format}})]
       @{{variable}}
 
       {% if def_getter %}

src/cligen/command_node.cr

@@ -87,8 +87,6 @@ module CliGen
         end
       when CliGen::Regex::FLAG_WITH_ARG
         CliGen::MatchType::FlagWithArg
-      when CliGen::Regex::SHORT_WITH_INLINE_ARG
-        CliGen::MatchType::ShortWithInlineArg
       when CliGen::Regex::FLAG_MULTIPLE_SHORT
         CliGen::MatchType::FlagMultipleShort
       else
@@ -108,7 +106,7 @@ module CliGen
       subcommands.any?{|f| f.name == arg}
     end
 
-    def flag?(arg : String) : BaseFlag
+    def flag?(arg : String) : Bool
       @flags.any?(&.matches?(arg))
     end
 
@@ -221,17 +219,43 @@ module CliGen
             raise "Oh good, you broke regex. How the hell did it match in find_match but not above? What the hell is going on"
           end
 
-        when MatchType::ShortWithInlineArg
-          abort "#{CliGen::APPNAME}: invalid flag '#{arg.value}' — inline values are not supported. Did you mean '#{arg.value[0..1]} #{arg.value[2..]}' ?"
-
         when MatchType::FlagMultipleShort
-          arg.value.gsub(/^-/, "").chars.map { |c| "-#{c}" }.each do |flag|
+          val = arg.value.gsub(/^-/,"")
+
+          # If the next character in the series is a flag assume the remaining are flags as well.
+          if flag?("-#{val[1]}")
+            chars = val.chars
+            chars.map { |c| "-#{c}" }.each do |flag|
               case match = find_match(flag)
               when BaseFlag
+                # If this is the last flag in the series let it process others
+                if flag == "-#{chars.last}"
+                  if match.requires_arg?
+                    match.process(args.reject(&.processed?))
+                  else
+                    match.process
+                  end
+                else
                   abort "#{CliGen::APPNAME}: cannot bundle flag that requires an argument: #{flag}" if match.requires_arg?
                   match.process
+                end
               when MatchType::NoMatch
-              raise "ERROR : CommandNode(#{@name}).process : No flag match for '#{flag}'"
+                abort "ERROR : CommandNode(#{@name}).process : No flag match for '#{flag}'"
+              end
+            end
+          else
+            # In this case we assume the characters following the flag is the argument
+            flg = "-#{val[0]}"
+            argument = Arg.new(value: val[1..], index: 0)
+            case match = find_match(flg)
+            when BaseFlag
+              if match.requires_arg?
+                match.process([argument])
+              else
+                abort "ERROR : CommandNode(#{@name}).process : Unknown characters proceeding a boolean flag(#{flg}) : #{val[1..]}"
+              end
+            when MatchType::NoMatch
+              abort "ERROR : CommandNode(#{@name}).process : No flag match for '#{arg.value}'"
             end
           end
 
@@ -246,8 +270,7 @@ module CliGen
       {% unless T == Nil %}
       unless passed_execution
         cls = T.new(handler: self.as(CliGen::BaseCommandNode))
-        {% prerun = T.methods.select(&.annotation(CliGen::PreRunCommand)) %}
+        {% for cmd in T.methods.select(&.annotation(CliGen::PreRunCommand)) %}
-        {% for cmd in prerun %}
         cls.{{cmd.name}}
         {% end %}
         {% subcmds = T.methods.select(&.annotation(CliGen::SubCommand)) %}

src/cligen/flag.cr

@@ -42,6 +42,7 @@ module CliGen
     @options  : Array(T)?
     @validate : (T -> Bool)?
     @on_match : Proc(Nil)?
+    @format   : ::Regex?
 
     def initialize(
       var         : String,
@@ -53,7 +54,8 @@ module CliGen
       @default    : T? = nil,
       @options    : Array(T)? = nil,
       @validate   : (T -> Bool)? = nil,
-      @on_match   : Proc(Nil)? = nil
+      @on_match   : Proc(Nil)? = nil,
+      @format     : ::Regex? = nil
       )
       super(var, short, long, env_var, description, delimiter)
     end
@@ -76,6 +78,9 @@ module CliGen
         {% elem = T.type_vars.first %}
         argv.each do |arg|
           break if arg.flag?
+          unless @format.nil?
+            break unless arg.value =~ @format
+          end
           {% if elem == Int32 %}
             abort "ERROR : Flag({{T}}) : Provided arguemnt(#{arg.value}) was not an integer" unless arg.int?
             (@value ||= [] of Int32) << arg.value.to_i

src/cligen/regex.cr

@@ -1,8 +1,7 @@
 module CliGen::Regex
-  FLAG_REGEX=/^(-[a-zA-Z]|--[a-zA-Z-_0-9]+)/
+  FLAG_REGEX=/^(-[a-zA-Z]|--[a-zA-Z-_0-9]+)$/
   FLAG_WITH_ARG=/^(?<flag>(-[a-zA-Z]|--[a-zA-Z-_]+))="?(?<arg>\S+?)"?$/
-  FLAG_MULTIPLE_SHORT=/^-[a-zA-Z]+$/
+  FLAG_MULTIPLE_SHORT=/^-[a-zA-Z0-9]+/
-  SHORT_WITH_INLINE_ARG=/^-[a-zA-Z][a-zA-Z0-9]+$/
 
   INPUT_DATETIME_REGEX = /^[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}$/
   INPUT_DATE_REGEX = /^[0-9]{4}-[0-9]{2}-[0-9]{2}$/