Refactoring Reline accessor.

2 files changed, 307 insertions, 0 deletions

diff --git a/lib/reline2.rb b/lib/reline2.rb
new file mode 100644
index 0000000000..e5a9ff763a
--- /dev/null
+++ b/lib/reline2.rb
@@ -0,0 +1,133 @@
+require 'io/console'
+require 'timeout'
+require "forwardable"
+require 'reline/version'
+require 'reline/config'
+require 'reline/key_actor'
+require 'reline/key_stroke'
+require 'reline/line_editor'
+
+module Reline2
+  FILENAME_COMPLETION_PROC = nil
+  USERNAME_COMPLETION_PROC = nil
+
+  class Core
+    Key = Struct.new('Key', :char, :combined_char, :with_meta)
+    if RUBY_PLATFORM =~ /mswin|mingw/
+      IS_WINDOWS = true
+    else
+      IS_WINDOWS = false
+    end
+
+    CursorPos = Struct.new(:x, :y)
+
+    ATTR_ACCESSOR_NAMES = %i(
+      completion_append_character
+      basic_word_break_characters
+      completer_word_break_characters
+      basic_quote_characters
+      completer_quote_characters
+      filename_quote_characters
+      special_prefixes
+      completion_case_fold
+      completion_proc
+      output_modifier_proc
+      prompt_proc
+      auto_indent_proc
+      pre_input_hook
+      dig_perfect_match_proc
+    ).freeze
+    ATTR_ACCESSOR_NAMES.each &method(:attr_accessor)
+
+    def initialize
+      @config = Reline::Config.new
+      @line_editor = Reline::LineEditor.new(@config)
+      @ambiguous_width = nil
+
+      self.basic_word_break_characters = " \t\n`><=;|&{("
+      self.completer_word_break_characters = " \t\n`><=;|&{("
+      self.basic_quote_characters = '"\''
+      self.completer_quote_characters = '"\''
+      self.filename_quote_characters = ""
+      self.special_prefixes = ""
+    end
+
+    def completion_append_character=(val)
+      if val.nil?
+        @completion_append_character = nil
+      elsif val.size == 1
+        @completion_append_character = val.encode(Encoding::default_external)
+      elsif val.size > 1
+        @completion_append_character = val[0].encode(Encoding::default_external)
+      else
+        @completion_append_character = nil
+      end
+    end
+
+    def basic_word_break_characters=(v)
+      @basic_word_break_characters = v.encode(Encoding::default_external)
+    end
+
+    def completer_word_break_characters=(v)
+      @completer_word_break_characters = v.encode(Encoding::default_external)
+    end
+
+    def basic_quote_characters=(v)
+      @basic_quote_characters = v.encode(Encoding::default_external)
+    end
+
+    def completer_quote_characters=(v)
+      @completer_quote_characters = v.encode(Encoding::default_external)
+    end
+
+    def filename_quote_characters=(v)
+      @filename_quote_characters = v.encode(Encoding::default_external)
+    end
+
+    def special_prefixes=(v)
+      @special_prefixes = v.encode(Encoding::default_external)
+    end
+
+    def completion_proc=(p)
+      raise ArgumentError unless p.is_a?(Proc)
+      @completion_proc = p
+    end
+
+    def output_modifier_proc=(p)
+      raise ArgumentError unless p.is_a?(Proc)
+      @output_modifier_proc = p
+    end
+
+    def prompt_proc=(p)
+      raise ArgumentError unless p.is_a?(Proc)
+      @prompt_proc = p
+    end
+
+    def auto_indent_proc=(p)
+      raise ArgumentError unless p.is_a?(Proc)
+      @auto_indent_proc = p
+    end
+
+    def pre_input_hook=(p)
+      raise ArgumentError unless p.is_a?(Proc)
+      @pre_input_hook = p
+    end
+
+    def dig_perfect_match_proc=(p)
+      raise ArgumentError unless p.is_a?(Proc)
+      @dig_perfect_match_proc = p
+    end
+  end
+
+  extend SingleForwardable
+
+  Core::ATTR_ACCESSOR_NAMES.each { |name|
+    def_delegators :core, "#{name}", "#{name}="
+  }
+
+  private
+
+  def self.core
+    @core ||= Core.new
+  end
+end
diff --git a/test/test_reline2.rb b/test/test_reline2.rb
new file mode 100644
index 0000000000..3e65bbc5ad
--- /dev/null
+++ b/test/test_reline2.rb
@@ -0,0 +1,174 @@
+require_relative 'helper'
+require "reline2"
+
+class Reline2::Test < Reline::TestCase
+  def test_completion_append_character
+    assert_equal(Reline2.completion_append_character, nil)
+
+    Reline2.completion_append_character = ""
+    assert_equal(Reline2.completion_append_character, nil)
+
+    Reline2.completion_append_character = "a"
+    assert_equal(Reline2.completion_append_character, "a")
+    assert_equal(Reline2.completion_append_character.encoding, Encoding::default_external)
+
+    Reline2.completion_append_character = "ba"
+    assert_equal(Reline2.completion_append_character, "b")
+    assert_equal(Reline2.completion_append_character.encoding, Encoding::default_external)
+
+    Reline2.completion_append_character = "cba"
+    assert_equal(Reline2.completion_append_character, "c")
+    assert_equal(Reline2.completion_append_character.encoding, Encoding::default_external)
+
+    Reline2.completion_append_character = nil
+    assert_equal(Reline2.completion_append_character, nil)
+  end
+
+  def test_basic_word_break_characters
+    assert_equal(Reline2.basic_word_break_characters, " \t\n`><=;|&{(")
+
+    Reline2.basic_word_break_characters = "ああ"
+    assert_equal(Reline2.basic_word_break_characters, "ああ")
+    assert_equal(Reline2.basic_word_break_characters.encoding, Encoding::default_external)
+  end
+
+  def test_completer_word_break_characters
+    assert_equal(Reline2.completer_word_break_characters, " \t\n`><=;|&{(")
+
+    Reline2.completer_word_break_characters = "ああ"
+    assert_equal(Reline2.completer_word_break_characters, "ああ")
+    assert_equal(Reline2.completer_word_break_characters.encoding, Encoding::default_external)
+  end
+
+  def test_basic_quote_characters
+    assert_equal(Reline2.basic_quote_characters, '"\'')
+
+    Reline2.basic_quote_characters = "“"
+    assert_equal(Reline2.basic_quote_characters, "“")
+    assert_equal(Reline2.basic_quote_characters.encoding, Encoding::default_external)
+  end
+
+  def test_completer_quote_characters
+    assert_equal(Reline2.completer_quote_characters, '"\'')
+
+    Reline2.completer_quote_characters = "“"
+    assert_equal(Reline2.completer_quote_characters, "“")
+    assert_equal(Reline2.completer_quote_characters.encoding, Encoding::default_external)
+  end
+
+  def test_filename_quote_characters
+    assert_equal(Reline2.filename_quote_characters, '')
+
+    Reline2.filename_quote_characters = "\'"
+    assert_equal(Reline2.filename_quote_characters, "\'")
+    assert_equal(Reline2.filename_quote_characters.encoding, Encoding::default_external)
+  end
+
+  def test_special_prefixes
+    assert_equal(Reline2.special_prefixes, '')
+
+    Reline2.special_prefixes = "\'"
+    assert_equal(Reline2.special_prefixes, "\'")
+    assert_equal(Reline2.special_prefixes.encoding, Encoding::default_external)
+  end
+
+  def test_completion_case_fold
+    assert_equal(Reline2.completion_case_fold, nil)
+
+    Reline2.completion_case_fold = true
+    assert_equal(Reline2.completion_case_fold, true)
+
+    Reline2.completion_case_fold = "hoge"
+    assert_equal(Reline2.completion_case_fold, "hoge")
+  end
+
+  def test_completion_proc
+    assert_equal(Reline2.completion_proc, nil)
+
+    p = proc {}
+    Reline2.completion_proc = p
+    assert_equal(Reline2.completion_proc, p)
+
+    l = lambda {}
+    Reline2.completion_proc = l
+    assert_equal(Reline2.completion_proc, l)
+
+    assert_raise(ArgumentError) { Reline2.completion_proc = 42 }
+    assert_raise(ArgumentError) { Reline2.completion_proc = "hoge" }
+  end
+
+  def test_output_modifier_proc
+    assert_equal(Reline2.output_modifier_proc, nil)
+
+    p = proc {}
+    Reline2.output_modifier_proc = p
+    assert_equal(Reline2.output_modifier_proc, p)
+
+    l = lambda {}
+    Reline2.output_modifier_proc = l
+    assert_equal(Reline2.output_modifier_proc, l)
+
+    assert_raise(ArgumentError) { Reline2.output_modifier_proc = 42 }
+    assert_raise(ArgumentError) { Reline2.output_modifier_proc = "hoge" }
+  end
+
+  def test_prompt_proc
+    assert_equal(Reline2.prompt_proc, nil)
+
+    p = proc {}
+    Reline2.prompt_proc = p
+    assert_equal(Reline2.prompt_proc, p)
+
+    l = lambda {}
+    Reline2.prompt_proc = l
+    assert_equal(Reline2.prompt_proc, l)
+
+    assert_raise(ArgumentError) { Reline2.prompt_proc = 42 }
+    assert_raise(ArgumentError) { Reline2.prompt_proc = "hoge" }
+  end
+
+  def test_auto_indent_proc
+    assert_equal(Reline2.auto_indent_proc, nil)
+
+    p = proc {}
+    Reline2.auto_indent_proc = p
+    assert_equal(Reline2.auto_indent_proc, p)
+
+    l = lambda {}
+    Reline2.auto_indent_proc = l
+    assert_equal(Reline2.auto_indent_proc, l)
+
+    assert_raise(ArgumentError) { Reline2.auto_indent_proc = 42 }
+    assert_raise(ArgumentError) { Reline2.auto_indent_proc = "hoge" }
+  end
+
+  def test_pre_input_hook
+    assert_equal(Reline2.pre_input_hook, nil)
+
+    p = proc {}
+    Reline2.pre_input_hook = p
+    assert_equal(Reline2.pre_input_hook, p)
+
+    l = lambda {}
+    Reline2.pre_input_hook = l
+    assert_equal(Reline2.pre_input_hook, l)
+
+    assert_raise(ArgumentError) { Reline2.pre_input_hook = 42 }
+    assert_raise(ArgumentError) { Reline2.pre_input_hook = "hoge" }
+  end
+
+  def test_dig_perfect_match_proc
+    assert_equal(Reline2.dig_perfect_match_proc, nil)
+
+    p = proc {}
+    Reline2.dig_perfect_match_proc = p
+    assert_equal(Reline2.dig_perfect_match_proc, p)
+
+    l = lambda {}
+    Reline2.dig_perfect_match_proc = l
+    assert_equal(Reline2.dig_perfect_match_proc, l)
+
+    assert_raise(ArgumentError) { Reline2.dig_perfect_match_proc = 42 }
+    assert_raise(ArgumentError) { Reline2.dig_perfect_match_proc = "hoge" }
+  end
+end