Add bin and edit workflow

bin/gems/pry-0.15.2/lib/pry/helpers/command_helpers.rb

@@ -0,0 +1,146 @@
+# frozen_string_literal: true
+
+require 'tempfile'
+
+class Pry
+  module Helpers
+    module CommandHelpers
+      include OptionsHelpers
+
+      extend self
+
+      # Open a temp file and yield it to the block, closing it after
+      # @return [String] The path of the temp file
+      def temp_file(ext = '.rb')
+        file = Tempfile.new(['pry', ext])
+        yield(file)
+      ensure
+        file.close(true)
+      end
+
+      def internal_binding?(context)
+        method_name = context.eval("::Kernel.__method__").to_s
+        # class_eval is here because of http://jira.codehaus.org/browse/JRUBY-6753
+        %w[__binding__ __pry__ class_eval].include?(method_name)
+        # TODO: codehaus is dead, there was no test for this and the
+        # description for the commit doesn't exist. Probably a candidate for
+        # removal so we have a chance to introduce a regression and document it
+        # properly.
+      end
+
+      def get_method_or_raise(method_name, context, opts = {})
+        method = Pry::Method.from_str(method_name, context, opts)
+        if !method && method_name
+          raise Pry::MethodNotFound, "method '#{method_name}' could not be found."
+        end
+
+        (opts[:super] || 0).times do
+          if method.super
+            method = method.super
+          else
+            raise Pry::MethodNotFound,
+                  "'#{method.name_with_owner}' has no super method"
+          end
+        end
+
+        if !method || (!method_name && internal_binding?(context))
+          raise Pry::MethodNotFound,
+                'no method name given, and context is not a method'
+        end
+
+        set_file_and_dir_locals(method.source_file)
+        method
+      end
+
+      # Remove any common leading whitespace from every line in `text`. This
+      # can be used to make a HEREDOC line up with the left margin, without
+      # sacrificing the indentation level of the source code.
+      #
+      # @example
+      #   opt.banner(unindent(<<-USAGE))
+      #     Lorem ipsum dolor sit amet, consectetur adipisicing elit,
+      #     sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
+      #       "Ut enim ad minim veniam."
+      #   USAGE
+      #
+      # @param [String] dirty_text The text from which to remove indentation
+      # @return [String] the text with indentation stripped
+      def unindent(dirty_text, left_padding = 0)
+        text = dirty_text.sub(/\A[ \t]+\z/, '') # Empty blank lines.
+
+        # Find the longest common whitespace to all indented lines. Ignore lines
+        # containing just -- or ++ as these seem to be used by comment authors
+        # as delimiters.
+        scanned_text = text.scan(/^[ \t]*(?!--\n|\+\+\n)(?=[^ \t\n])/)
+        margin = scanned_text.inject do |current_margin, next_indent|
+          if next_indent.start_with?(current_margin)
+            current_margin
+          elsif current_margin.start_with?(next_indent)
+            next_indent
+          else
+            ''
+          end
+        end
+
+        text.gsub(/^#{margin}/, ' ' * left_padding)
+      end
+
+      # Restrict a string to the given range of lines (1-indexed)
+      # @param [String] content The string.
+      # @param [Range, Integer] lines The line(s) to restrict it to.
+      # @return [String] The resulting string.
+      def restrict_to_lines(content, lines)
+        line_range = one_index_range_or_number(lines)
+        Array(content.lines.to_a[line_range]).join
+      end
+
+      def one_index_number(line_number)
+        line_number > 0 ? line_number - 1 : line_number
+      end
+
+      # convert a 1-index range to a 0-indexed one
+      def one_index_range(range)
+        Range.new(one_index_number(range.begin), one_index_number(range.end))
+      end
+
+      def one_index_range_or_number(range_or_number)
+        case range_or_number
+        when Range
+          one_index_range(range_or_number)
+        else
+          one_index_number(range_or_number)
+        end
+      end
+
+      def absolute_index_number(line_number, array_length)
+        if line_number >= 0
+          line_number
+        else
+          [array_length + line_number, 0].max
+        end
+      end
+
+      def absolute_index_range(range_or_number, array_length)
+        case range_or_number
+        when Range
+          a = absolute_index_number(range_or_number.begin, array_length)
+          b = absolute_index_number(range_or_number.end, array_length)
+        else
+          a = b = absolute_index_number(range_or_number, array_length)
+        end
+
+        Range.new(a, b)
+      end
+
+      def set_file_and_dir_locals(file_name, pry = pry_instance, ctx = target)
+        return if !ctx || !file_name
+
+        pry.last_file = File.expand_path(file_name)
+        pry.inject_local("_file_", pry.last_file, ctx)
+
+        pry.last_dir = File.dirname(pry.last_file)
+        pry.inject_local("_dir_", pry.last_dir, ctx)
+      end
+    end
+  end
+end