Class: Stitcher

Inherits:
HtmlGenerator show all
Defined in:
lib/jirametrics/stitcher.rb

Defined Under Namespace

Classes: StitchContent

Instance Attribute Summary collapse

Attributes inherited from HtmlGenerator

#file_system, #settings

Instance Method Summary collapse

Methods inherited from HtmlGenerator

#create_html, #load_css

Constructor Details

#initialize(file_system:) ⇒ Stitcher

Returns a new instance of Stitcher.



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# File 'lib/jirametrics/stitcher.rb', line 19

def initialize file_system:
  super()
  self.file_system = file_system
  @all_stitches = []
  @loaded_files = []
end

Instance Attribute Details

#all_stitches ⇒ Object (readonly)

Returns the value of attribute all_stitches.



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# File 'lib/jirametrics/stitcher.rb', line 17

def all_stitches
  @all_stitches
end

#loaded_files ⇒ Object (readonly)

Returns the value of attribute loaded_files.



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# File 'lib/jirametrics/stitcher.rb', line 17

def loaded_files
  @loaded_files
end

Instance Method Details

#grab_by_title(title, from_file:, type: 'chart') ⇒ Object 



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# File 'lib/jirametrics/stitcher.rb', line 42

def grab_by_title title, from_file:, type: 'chart'
  parse_file from_file
  stitch_content = @all_stitches.find { |s| s.file == from_file && s.title == title && s.type == type }
  return stitch_content.content if stitch_content

  file_system.error "Unable to find content in file #{from_file.inspect} matching title: #{title.inspect}"
  ''
end

#make_output_filename(input_filename) ⇒ Object 



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# File 'lib/jirametrics/stitcher.rb', line 34

def make_output_filename input_filename
  if /^(.+)\.erb$/ =~ input_filename
    "#{$1}.html"
  else
    "#{input_filename}.html"
  end
end

#parse_file(filename) ⇒ Object 



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# File 'lib/jirametrics/stitcher.rb', line 51

def parse_file filename
  return false if @loaded_files.include? filename

  # To match: <!-- seam-start | chart78 | GithubPrScatterplot | PR Scatterplot | chart -->
  regex = /^<!-- seam-(?<seam>start|end) \| (?<id>[^|]+) \| (?<clazz>[^|]+) \| (?<title>[^|]+) \| (?<type>[^|]+) -->$/
  content = nil
  file_system.load(filename).lines do |line|
    matches = line.match(regex)
    if matches
      if matches[:seam] == 'start'
        content = +''
      else
        if content.nil? || content.strip.empty?
          file_system.warning "Seam found with no content in #{filename.inspect}: " \
            "id=#{matches[:id].strip.inspect}, class=#{matches[:clazz].strip.inspect}, " \
            "title=#{matches[:title].strip.inspect}"
        end
        @all_stitches << Stitcher::StitchContent.new(
          file: filename, title: matches[:title], type: matches[:type], content: content
        )
        content = nil
      end
    elsif content
      content << line
    end
  end

  @loaded_files << filename
  true
end

#run(stitch_file:) ⇒ Object 



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# File 'lib/jirametrics/stitcher.rb', line 26

def run stitch_file:
  output_filename = make_output_filename stitch_file
  file_system.log "Creating file #{output_filename.inspect}", also_write_to_stderr: true
  erb = ERB.new file_system.load(stitch_file)
  @sections = [[erb.result(binding), :body]]
  create_html output_filename: output_filename, settings: {}
end