Add bin and edit workflow

bin/gems/ffi-1.17.4-x86_64-linux-gnu/lib/ffi/data_converter.rb

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+#
+# Copyright (C) 2008-2010 Wayne Meissner
+#
+# This file is part of ruby-ffi.
+#
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this
+#   list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright notice
+#   this list of conditions and the following disclaimer in the documentation
+#   and/or other materials provided with the distribution.
+# * Neither the name of the Ruby FFI project nor the names of its contributors
+#   may be used to endorse or promote products derived from this software
+#   without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.#
+
+module FFI
+  # This module is used to extend somes classes and give then a common API.
+  #
+  # Most of methods defined here must be overridden.
+  module DataConverter
+    # Get native type.
+    #
+    # @overload native_type(type)
+    #  @param [String, Symbol, Type] type
+    #  @return [Type]
+    #  Get native type from +type+.
+    #
+    # @overload native_type
+    #  @raise {NotImplementedError} This method must be overridden.
+    def native_type(type = nil)
+      if type
+        @native_type = FFI.find_type(type)
+      else
+        native_type = @native_type
+        unless native_type
+          raise NotImplementedError, 'native_type method not overridden and no native_type set'
+        end
+        native_type
+      end
+    end
+
+    # Convert to a native type.
+    def to_native(value, ctx)
+      value
+    end
+
+    # Convert from a native type.
+    def from_native(value, ctx)
+      value
+    end
+  end
+end