Gecko [ primetaxinc.net ]

Name	Size	Permission
capture	[ DIR ]	drwxr-xr-x
api.rb	6.11 KB	-rw-r--r--
around_block_scan.rb	6.9 KB	-rw-r--r--
block_expand.rb	4.88 KB	-rw-r--r--
capture_code_context.rb	6.67 KB	-rw-r--r--
clean_document.rb	8.73 KB	-rw-r--r--
cli.rb	3.12 KB	-rw-r--r--
code_block.rb	2.13 KB	-rw-r--r--
code_frontier.rb	5.61 KB	-rw-r--r--
code_line.rb	6.62 KB	-rw-r--r--
code_search.rb	3.81 KB	-rw-r--r--
core_ext.rb	2.65 KB	-rw-r--r--
display_code_with_line_numbers...	1.77 KB	-rw-r--r--
display_invalid_blocks.rb	1.75 KB	-rw-r--r--
explain_syntax.rb	2.69 KB	-rw-r--r--
left_right_lex_count.rb	4.06 KB	-rw-r--r--
lex_all.rb	1.66 KB	-rw-r--r--
lex_value.rb	1.5 KB	-rw-r--r--
mini_stringio.rb	774 B	-rw-r--r--
parse_blocks_from_indent_line....	1.5 KB	-rw-r--r--
pathname_from_message.rb	1.42 KB	-rw-r--r--
priority_engulf_queue.rb	1.26 KB	-rw-r--r--
priority_queue.rb	2 KB	-rw-r--r--
ripper_errors.rb	960 B	-rw-r--r--
scan_history.rb	2.92 KB	-rw-r--r--
unvisited_lines.rb	705 B	-rw-r--r--
version.rb	76 B	-rw-r--r--

Code Editor : scan_history.rb

# frozen_string_literal: true

module SyntaxSuggest
  # Scans up/down from the given block
  #
  # You can try out a change, stash it, or commit it to save for later
  #
  # Example:
  #
  #   scanner = ScanHistory.new(code_lines: code_lines, block: block)
  #   scanner.scan(
  #     up: ->(_, _, _) { true },
  #     down: ->(_, _, _) { true }
  #   )
  #   scanner.changed? # => true
  #   expect(scanner.lines).to eq(code_lines)
  #
  #   scanner.stash_changes
  #
  #   expect(scanner.lines).to_not eq(code_lines)
  class ScanHistory
    attr_reader :before_index, :after_index

def initialize(code_lines:, block:)
      @code_lines = code_lines
      @history = [block]
      refresh_index
    end

def commit_if_changed
      if changed?
        @history << CodeBlock.new(lines: @code_lines[before_index..after_index])
      end

self
    end

# Discards any changes that have not been committed
    def stash_changes
      refresh_index
      self
    end

# Discard changes that have not been committed and revert the last commit
    #
    # Cannot revert the first commit
    def revert_last_commit
      if @history.length > 1
        @history.pop
        refresh_index
      end

self
    end

def changed?
      @before_index != current.lines.first.index ||
        @after_index != current.lines.last.index
    end

# Iterates up and down
    #
    # Returns line, kw_count, end_count for each iteration
    def scan(up:, down:)
      kw_count = 0
      end_count = 0

up_index = before_lines.reverse_each.take_while do |line|
        kw_count += 1 if line.is_kw?
        end_count += 1 if line.is_end?
        up.call(line, kw_count, end_count)
      end.last&.index

kw_count = 0
      end_count = 0

down_index = after_lines.each.take_while do |line|
        kw_count += 1 if line.is_kw?
        end_count += 1 if line.is_end?
        down.call(line, kw_count, end_count)
      end.last&.index

@before_index = if up_index && up_index < @before_index
        up_index
      else
        @before_index
      end

@after_index = if down_index && down_index > @after_index
        down_index
      else
        @after_index
      end

self
    end

def next_up
      return nil if @before_index <= 0

@code_lines[@before_index - 1]
    end

def next_down
      return nil if @after_index >= @code_lines.length

@code_lines[@after_index + 1]
    end

def lines
      @code_lines[@before_index..@after_index]
    end

private def before_lines
      @code_lines[0...@before_index] || []
    end

# Returns an array of all the CodeLines that exist after
    # the currently scanned block
    private def after_lines
      @code_lines[@after_index.next..] || []
    end

private def current
      @history.last
    end

private def refresh_index
      @before_index = current.lines.first.index
      @after_index = current.lines.last.index
      self
    end
  end
end

${this.title}

Code Editor : scan_history.rb