Changeset 331 for EcnlProtoTool/trunk/mruby-1.3.0/mrbgems/mruby-hash-ext/mrblib/hash.rb

Timestamp:

Jan 21, 2018, 12:10:09 AM (6 years ago)

Author:

coas-nagasima

Message:

prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl

Location:

EcnlProtoTool/trunk/mruby-1.3.0

Files:

• . (moved) (moved from EcnlProtoTool/trunk/mruby-1.2.0 )
• mrbgems/mruby-hash-ext/mrblib/hash.rb (modified) (4 diffs)

EcnlProtoTool/trunk/mruby-1.3.0/mrbgems/mruby-hash-ext/mrblib/hash.rb

@@ -29 +29 @@
       o = object[0]
       if o.respond_to?(:to_hash)
-        h = Hash.new
+        h = self.new
         object[0].to_hash.each { |k, v| h[k] = v }
         return h
       elsif o.respond_to?(:to_a)
-        h = Hash.new
+        h = self.new
         o.to_a.each do |i|
           raise ArgumentError, "wrong element type #{i.class} (expected array)" unless i.respond_to?(:to_a)
@@ -54 +54 @@
       raise ArgumentError, 'odd number of arguments for Hash'
     end
-    h = Hash.new
+    h = self.new
     0.step(length - 2, 2) do |i|
       h[object[i]] = object[i + 1]
     end
     h
+  end
+
+  ##
+  # call-seq:
+  #     Hash.try_convert(obj) -> hash or nil
+  #
+  # Try to convert <i>obj</i> into a hash, using to_hash method.
+  # Returns converted hash or nil if <i>obj</i> cannot be converted
+  # for any reason.
+  #
+  #     Hash.try_convert({1=>2})   # => {1=>2}
+  #     Hash.try_convert("1=>2")   # => nil
+  #
+  def self.try_convert(obj)
+    if obj.respond_to?(:to_hash)
+      obj.to_hash
+    else
+      nil
+    end
   end
 
@@ -193 +212 @@
 
   def invert
-    h = Hash.new
+    h = self.class.new
     self.each {|k, v| h[v] = k }
     h
@@ -347 +366 @@
     }
   end
+
+  ##
+  # call-seq:
+  #   hsh.dig(key,...)                 -> object
+  #
+  # Extracts the nested value specified by the sequence of <i>key</i>
+  # objects by calling +dig+ at each step, returning +nil+ if any
+  # intermediate step is +nil+.
+  #
+  def dig(idx,*args)
+    n = self[idx]
+    if args.size > 0
+      n&.dig(*args)
+    else
+      n
+    end
+  end
 end