Class: DevSystem::ErbShell::LERB

Inherits:
ERB
  • Object
show all
Defined in:
lib/dev_system/subsystems/shell/shells/erb_shell.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/dev_system/subsystems/shell/shells/erb_shell.rb', line 144

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/dev_system/subsystems/shell/shells/erb_shell.rb', line 142

def format
  @format
end

#key ⇒ Object (readonly)

Returns the value of attribute key.



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# File 'lib/dev_system/subsystems/shell/shells/erb_shell.rb', line 142

def key
  @key
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/dev_system/subsystems/shell/shells/erb_shell.rb', line 142

def name
  @name
end

Class Method Details

._load(erbs, filename, views_type) ⇒ Object 



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# File 'lib/dev_system/subsystems/shell/shells/erb_shell.rb', line 52

def self._load erbs, filename, views_type
  is_eof = views_type == :eof
  is_adjacent = views_type == :adjacent
  is_nested = views_type == :nested

  is_erb = filename.end_with? ".erb"
  is_ignoring_ruby = is_eof
  is_accepting_views = is_eof || is_adjacent
  
  puts
  puts "LERB filename: #{filename}"
  puts Liza::Unit.stick :red, "LERB views_type: :#{views_type}"
  
  puts "LERB is_eof: #{is_eof}"
  puts "LERB is_adjacent: #{is_adjacent}"
  puts "LERB is_nested: #{is_nested}"
  puts "LERB is_erb: #{is_erb}"
  puts "LERB is_ignoring_ruby: #{is_ignoring_ruby}"
  puts "LERB is_accepting_views: #{is_accepting_views}"
  
  current_lineno = 0
  current_content = ""
  current_key = DEFAULT_KEY
  
  if is_nested
    current_key = filename.split("/").last.split(".")[-3..-1].join(".")
    puts "LERB declare: #{current_key} | because nested"
  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]}"
      if is_line_end
        is_ignoring_ruby = false
        is_accepting_views = true
        current_lineno = lineno + 1
        puts "LERB declare: #{current_key} | current" 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]}"
    else
      current_content += line
      puts "LERB keeping: #{lineno}: #{line[0..-2]}"
    end
  
    if is_line_end
      puts "LERB warning: #{lineno}: #{line[0..-2]} found! No longer accepting views"
      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/dev_system/subsystems/shell/shells/erb_shell.rb', line 120

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/dev_system/subsystems/shell/shells/erb_shell.rb', line 27

def self.load path_radical
  erbs = []
  
  "#{path_radical}.rb".tap do |filename|
    _load erbs, filename, :eof
  end
  
  Dir.glob("#{path_radical}.rb.*.erb").each do |filename|
    _load erbs, filename, :adjacent
  end
  
  Dir.glob("#{path_radical}/*.*.erb").each do |filename|
    _load erbs, filename, :nested
  end
  
  #
  
  puts "#{erbs.size} erbs"
  erbs.each do |h|
    puts "key: #{h.key}"
  end
  
  erbs
end

.puts(string = nil) ⇒ Object

output



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# File 'lib/dev_system/subsystems/shell/shells/erb_shell.rb', line 19

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/dev_system/subsystems/shell/shells/erb_shell.rb', line 158

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/dev_system/subsystems/shell/shells/erb_shell.rb', line 134

def tags?
  TAG_FORMATS.include? format
end