Class: Recipe
- Inherits:
-
Object
- Object
- Recipe
- Defined in:
- lib/baker/bakerlib.rb
Overview
Recipe is the datastore class for the task list managed by baker
Responsible for:
- Parsing a md file into a Recipe
- Serialization back into a md file
Instance Attribute Summary collapse
-
#steps ⇒ Object
Array of ‘RecipeStep`s.
Class Method Summary collapse
Instance Method Summary collapse
Instance Attribute Details
#steps ⇒ Object
Array of ‘RecipeStep`s
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# File 'lib/baker/bakerlib.rb', line 13 def steps @steps end |
Class Method Details
.from_s(s) ⇒ Object
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# File 'lib/baker/bakerlib.rb', line 15 def self.from_s(s) j = Recipe.new j.steps = [] next_day = [] multiline = nil s.each_line.with_index { |line, index| if multiline multiline[:lines] << line case multiline[:multiline_type] when :ruby, :shell if line =~ /^\s*```\s*$/ multiline[:command] << $1 j.steps << RecipeStep.new( multiline[:lines], type: multiline[:multiline_type], task_marker: multiline[:task_marker], command: multiline[:command].join, description: multiline[:description], line_index: multiline[:line_index]) multiline = nil next end # Multiline continues just collect items. multiline[:command] << line next when :unknown # If line starts with ``` we have a new block if line =~ /^\s*```(.*\z)/m # If this block starts with ```bash or ```sh we have a shell block command = $1 if command.strip == "bash" || command.strip == "sh" multiline[:multiline_type] = :shell next end # All other blocks are considered ruby blocks multiline[:multiline_type] = :ruby if command =~ /^(.*)```\s*$/ # Ruby block terminated on same line command = $1 raise if multiline[:command].size > 0 j.steps << RecipeStep.new( multiline[:lines], type: multiline[:multiline_type], task_marker: multiline[:task_marker], command: command, description: multiline[:description], line_index: multiline[:line_index]) multiline = nil next end if command.strip != "ruby" && command.strip.size > 0 multiline[:command] << command end next end # Line did not start with ``` j.steps << RecipeStep.new( multiline[:lines], type: :manual, task_marker: multiline[:task_marker], description: multiline[:description], line_index: multiline[:line_index]) multiline = nil # IMPORTANT: Don't call next here, we continue processing this line as a normal line else raise "Unknown or missing multiline type: #{multiline[:multiline_type]}" end end if line =~ /^::(\w*?)(?:\[(.*?)\])?(?:\{(.*)\})?\s*$/ directive = $1.downcase content = $2 attributes = $3 # puts "Directive: '#{directive}' - Content: '#{content}' Attributes: '#{attributes}'" case directive when "template" j.steps << RecipeStep.new(line, type: :directive, directive_type: :template, content: content, attributes: attributes, line_index: index) when "template_source" j.steps << RecipeStep.new(line, type: :directive, directive_type: :template_source, content: content, attributes: attributes, line_index: index) when "var" j.steps << RecipeStep.new(line, type: :directive, directive_type: :var, content: content, attributes: attributes, line_index: index) when "cd" j.steps << RecipeStep.new(line, type: :directive, directive_type: :cd, content: content, line_index: index) else raise "Unknown directive: #{directive}" end elsif line =~ /^\s*(-\s+)?\[(.)\]\s*(?:(.*?):)?\s*`([^`]+)`/ j.steps << RecipeStep.new(line, type: :shell, task_marker: $2, command: $4, description: $3, line_index: index) elsif line =~ /^\s*(-\s+)?\[(.)\]\s*(?:(.*?):)?\s*``([^`].*?)``/ j.steps << RecipeStep.new(line, type: :ruby, task_marker: $2, command: $4, description: $3, line_index: index) # General case in which a multiline task might be started # We will try to find the last colon to separate description and command unless there is a backtick after a colon elsif line =~ /^\s*(-\s+)?\[(.)\]\s(?:(.*?):(?=\s*`)|(.*):(?=[ \n]))?\s*(.*\z)/m task_marker = $2 description = $3 || $4 command = $5 # Command starts with ``` => Ruby command block if command =~ /^```(.*\z)/m command_block_type = :ruby command = $1 if command.strip == "ruby" command = "" # Ignore markdown block designator for ruby end if command =~ /^(.*)```\s*$/ # Ruby block terminated on same line command = $1 j.steps << RecipeStep.new(line, type: :ruby, task_marker: task_marker, command: command, description: description, line_index: index) else # Multiline ruby command started commands = [] if command.strip.size > 0 commands << command end multiline = { lines: [line], multiline_type: :ruby, task_marker: task_marker, description: description, command: commands, line_index: index } end else # Block doesn't start with ```` if command.strip.size > 0 # Not a ``` block but just other text after a colon description = (description ? [description, command].join(": ") : command).chomp j.steps << RecipeStep.new(line, type: :manual, task_marker: task_marker, description: description, line_index: index) else # Empty line after colon, we don't know yet what comes next multiline = { lines: [line], multiline_type: :unknown, task_marker: task_marker, description: description, command: [], line_index: index } end end elsif line =~ /^\s*(-\s+)?\[(.)\]\s*(.*\z)/m j.steps << RecipeStep.new(line, type: :manual, task_marker: $2, description: $3, line_index: index) else j.steps << RecipeStep.new(line, type: :nop, line_index: index, description: line.chomp) end } if multiline raise "Unterminated multiline block. Are you missing closing triple backticks ``` on an empty line?" end return j end |
Instance Method Details
#to_s ⇒ Object
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# File 'lib/baker/bakerlib.rb', line 196 def to_s result = [] empty = false steps.each { |step| if step.lines.empty? empty = true else # if we encountered a deleted line (empty array), we skip all blank lines until we encounter a non-blank line if empty && step.lines.all? { |line| line.strip.size == 0 } # nothing else empty = false result << step.to_s end end } return result.join # + (empty ? "" : "\n") end |