class Rundoc::CodeCommand::FileCommand::Append
Public Class Methods
new(filename)
click to toggle source
# File lib/rundoc/code_command/file_command/append.rb, line 5 def initialize(filename) @filename, line = filename.split('#') if line @line_number = Integer(line) else @line_number = nil end end
Public Instance Methods
call(env = {})
click to toggle source
# File lib/rundoc/code_command/file_command/append.rb, line 59 def call(env = {}) mkdir_p doc = File.read(filename) if @line_number puts "Writing to: '#{filename}' line #{@line_number} with: #{contents.inspect}" doc = insert_contents_into_at_line(doc) else puts "Appending to file: '#{filename}' with: #{contents.inspect}" doc = concat_with_newline(doc, contents) end File.open(filename, "w") do |f| f.write(doc) end contents end
concat_with_newline(str1, str2)
click to toggle source
# File lib/rundoc/code_command/file_command/append.rb, line 35 def concat_with_newline(str1, str2) result = "" result << str1 result << "\n" unless ends_in_newline?(result) result << str2 result << "\n" unless ends_in_newline?(result) result end
ends_in_newline?(string)
click to toggle source
# File lib/rundoc/code_command/file_command/append.rb, line 31 def ends_in_newline?(string) last_char_of(string) == "\n" end
insert_contents_into_at_line(doc)
click to toggle source
# File lib/rundoc/code_command/file_command/append.rb, line 44 def insert_contents_into_at_line(doc) lines = doc.lines raise "Expected #{filename} to have at least #{@line_number} but only has #{lines.count}" if lines.count < @line_number result = [] lines.each_with_index do |line, index| line_number = index.next if line_number == @line_number result << contents result << "\n" unless ends_in_newline?(contents) end result << line end doc = result.flatten.join("") end
last_char_of(string)
click to toggle source
# File lib/rundoc/code_command/file_command/append.rb, line 27 def last_char_of(string) string[-1,1] end
to_md(env)
click to toggle source
# File lib/rundoc/code_command/file_command/append.rb, line 14 def to_md(env) return unless render_command? raise "must call write in its own code section" unless env[:commands].empty? before = env[:before] if @line_number env[:before] = "In file `#{filename}`, on line #{@line_number} add:\n\n#{before}" else env[:before] = "At the end of `#{filename}` add:\n\n#{before}" end nil end