JSON formatter

shard.yml

@@ -15,6 +15,8 @@ dependencies:
     github: crystal-china/base58.cr
   sixteen:
     github: ralsina/sixteen
+  docopt:
+    github: chenkovsky/docopt.cr
 
 crystal: ">= 1.13.0"
 

src/formatters/html.cr

@@ -2,23 +2,18 @@ require "../formatter"
 
 module Tartrazine
   class Html < Formatter
-    # Not all of these options are implemented
-
-    property? standalone : Bool = false
-    property class_prefix : String = ""
-
+    # property line_number_in_table : Bool = false
     # property with_classes : Bool = true
+    property class_prefix : String = ""
+    property highlight_lines : Array(Range(Int32, Int32)) = [] of Range(Int32, Int32)
+    property line_number_id_prefix : String = "line-"
+    property line_number_start : Int32 = 1
     property tab_width = 8
-
+    property? line_numbers : Bool = false
+    property? linkable_line_numbers : Bool = true
+    property? standalone : Bool = false
     property? surrounding_pre : Bool = true
     property? wrap_long_lines : Bool = false
-    property? line_numbers : Bool = false
-    property line_number_start : Int32 = 1
-    property line_number_id_prefix : String = "line-"
-    property? linkable_line_numbers : Bool = true
-
-    # property line_number_in_table : Bool = false
-    property highlight_lines : Array(Range(Int32, Int32)) = [] of Range(Int32, Int32)
 
     def format(text : String, lexer : Lexer, theme : Theme) : String
       text = format_text(text, lexer, theme)

src/formatters/json.cr

@@ -0,0 +1,11 @@
+require "../formatter"
+
+module Tartrazine
+  class Json < Formatter
+    property name = "json"
+
+    def format(text : String, lexer : Lexer, _theme : Theme) : String
+      lexer.tokenize(text).to_json
+    end
+  end
+end

src/main.cr

@@ -23,12 +23,12 @@ HELP
 
 lexer = Tartrazine.lexer("crystal")
 theme = Tartrazine.theme(ARGV[1])
-formatter = Tartrazine::Html.new
-formatter.standalone = true
-formatter.class_prefix = "hl-"
-formatter.line_number_id_prefix = "ln-"
-formatter.line_numbers = true
-formatter.highlight_lines = [3..7, 20..30]
-formatter.linkable_line_numbers = false
-formatter.wrap_long_lines = false
+formatter = Tartrazine::Json.new
+# formatter.standalone = true
+# formatter.class_prefix = "hl-"
+# formatter.line_number_id_prefix = "ln-"
+# formatter.line_numbers = true
+# formatter.highlight_lines = [3..7, 20..30]
+# formatter.linkable_line_numbers = false
+# formatter.wrap_long_lines = false
 puts formatter.format(File.read(ARGV[0]), lexer, theme)

src/styles.cr

@@ -11,8 +11,16 @@ module Tartrazine
   alias Color = Sixteen::Color
 
   def self.theme(name : String) : Theme
-    return Theme.from_base16(name[7..]) if name.starts_with? "base16_"
-    Theme.from_xml(ThemeFiles.get("/#{name}.xml").gets_to_end)
+    begin
+    return Theme.from_base16(name)
+    rescue ex : Exception
+      raise ex unless ex.message.try &.includes? "Theme not found"
+    end
+    begin
+      return Theme.from_xml(ThemeFiles.get("/#{name}.xml").gets_to_end)
+    rescue
+      raise Exception.new("Theme #{name} not found")
+    end
   end
 
   class ThemeFiles