Class: LERB

Inherits:
ERB
  • Object
show all
Defined in:
lib/lerb.rb

Defined Under Namespace

Classes: BuildError, Error, ExecutionError

Constant Summary collapse

DEFAULT_KEY =

loaders

"inline.txt.erb"
TAG_FORMATS =

format

%w|xml html|
TRIM_MODE =

constructor

"<>-"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(filename, lineno, key, content) ⇒ LERB

Returns a new instance of LERB.



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# File 'lib/lerb.rb', line 131

def initialize filename, lineno, key, content
  segments = key.split("/").last.split(".")
  name, format = segments[0..1]

  if format.gsub(/[^a-z0-9]/, "") != format
    raise BuildError, "key '#{key}' has an invalid format '#{format}'"
  end

  super content, trim_mode: TRIM_MODE
  self.filename, self.lineno, @key, @name, @format = filename, lineno, key, name, format
end

Instance Attribute Details

#format ⇒ Object (readonly)

Returns the value of attribute format.



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# File 'lib/lerb.rb', line 129

def format
  @format
end

#key ⇒ Object (readonly)

Returns the value of attribute key.



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# File 'lib/lerb.rb', line 129

def key
  @key
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/lerb.rb', line 129

def name
  @name
end

Class Method Details

._load(erbs, filename) ⇒ Object 



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# File 'lib/lerb.rb', line 48

def self._load erbs, filename
  is_erb = filename.end_with? ".erb"
  is_ignoring_ruby = !is_erb
  is_accepting_views = false
  
  puts
  puts "LERB filename: #{filename}".on_red
  
  puts "LERB is_erb: #{is_erb}".on_red
  puts "LERB is_ignoring_ruby: #{is_ignoring_ruby}".on_red
  puts "LERB is_accepting_views: #{is_accepting_views}".on_red

  current_lineno = 0
  current_content = ""
  current_key = is_erb ? filename.split("/").last : DEFAULT_KEY

  if current_key
    puts "LERB declare: #{current_key} | because not erb".green
  end

  File.readlines(filename).each.with_index do |line, lineno|
    is_line_end = line == "__END__\n"

    # stop ignoring ruby lines if line is __END__
    # move to next line if ignoring ruby lines

    if is_ignoring_ruby
      puts "LERB ignore: #{lineno}: #{line[0..-2]}".light_black
      if is_line_end
        is_ignoring_ruby = false
        is_accepting_views = true
        current_lineno = lineno + 1
        puts "LERB declare: #{current_key} | current".green if current_key
      end
      next
    end

    if is_accepting_views && line[0..6] == "# view "
      _load_into erbs, filename, current_lineno, current_key, current_content
      current_key = line[7..-1].strip
      current_lineno = lineno + 1
      current_content = ""
      puts "LERB declare: #{current_key} | #{lineno}: #{line[0..-2]}".green
    else
      current_content += line
      puts "LERB keeping: #{lineno}: #{line[0..-2]}".bold.white
    end

    if is_line_end
      puts "LERB warning: #{lineno}: #{line[0..-2]} found! No longer accepting views".light_yellow
      is_accepting_views = false
    end
  end

  _load_into erbs, filename, current_lineno, current_key, current_content

  erbs
end

._load_into(erbs, filename, lineno, key, content) ⇒ Object 



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# File 'lib/lerb.rb', line 107

def self._load_into erbs, filename, lineno, key, content
  return unless key
  return unless key.end_with? "erb"
  return if content.strip.empty?

  content += "\n" if content[-1] != "\n"

  erbs.push new filename, lineno, key, content
end

.load(path_radical) ⇒ Object 



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# File 'lib/lerb.rb', line 23

def self.load path_radical
  erbs = []

  "#{path_radical}.rb".tap do |filename|
    _load erbs, filename
  end

  Dir.glob("#{path_radical}.*.erb").each do |filename|
    _load erbs, filename
  end

  Dir.glob("#{path_radical}/*.*.erb").each do |filename|
    _load erbs, filename
  end

  #

  puts "#{erbs.size} erbs".on_red
  erbs.each do |h|
    puts "key: #{h.key}".on_green
  end

  erbs
end

.puts(string = nil) ⇒ Object

output



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# File 'lib/lerb.rb', line 15

def self.puts string=nil
  super if $LERB_VERBOSE
end

Instance Method Details

#result(the_binding, receiver = :unset) ⇒ Object

result



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# File 'lib/lerb.rb', line 145

def result the_binding, receiver=:unset
  super the_binding
rescue NameError => e
  raise unless e.receiver == receiver
  message = "ERB template for a #{e.receiver.class} instance could not find method '#{e.name}'"
  raise ExecutionError, message, [e.backtrace[0]]
end

#tags? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lerb.rb', line 121

def tags?
  TAG_FORMATS.include? format
end