Contents

# frozen_string_literal: true

module Groundskeeper
  # Wraps files.
  class Document
    attr_reader :path

    def initialize(path)
      @path = File.expand_path(path)
    end

    def exists?
      File.exist? path
    end

    # Returns the first captured expression or nil if it is not found.
    def match(expression_with_capture)
      content = read
      match = content.match(expression_with_capture)

      match[1] if match
    end

    # Replaces the expression with the provided value in place in the file.
    def gsub_file(expression, value)
      content = read
      content.gsub! expression, value
      write_file content
    end

    # Inserts the provided value after the expression in place in the file.
    def append_to_file(expression, value)
      content = read
      match = content.match(expression)[0]
      content.gsub! expression, match + value
      write_file content
    end

    # Inserts the provided value at the beginning of the file.
    def prepend_file(value)
      content = read
      write_file(value + content)
    end

    def write_file(content)
      File.open(path, "wb") { |file| file.write(content) }
    end

    def read
      return "" unless exists?

      File.binread(path)
    end
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
groundskeeper-bitcore-0.2.3	lib/groundskeeper/document.rb
groundskeeper-bitcore-0.2.2	lib/groundskeeper/document.rb
groundskeeper-bitcore-0.2.1	lib/groundskeeper/document.rb
groundskeeper-bitcore-0.2.0	lib/groundskeeper/document.rb
groundskeeper-bitcore-0.1.1	lib/groundskeeper/document.rb