Class: RBlade::CompilesStatements

Inherits:
Object
  • Object
show all
Defined in:
lib/rblade/compiler/compiles_statements.rb,
lib/rblade/compiler/statements/compiles_form.rb,
lib/rblade/compiler/statements/compiles_once.rb,
lib/rblade/compiler/statements/compiles_loops.rb,
lib/rblade/compiler/statements/compiles_stacks.rb,
lib/rblade/compiler/statements/compiles_inline_ruby.rb,
lib/rblade/compiler/statements/compiles_conditionals.rb,
lib/rblade/compiler/statements/compiles_html_attributes.rb,
lib/rblade/compiler/statements/compiles_component_helpers.rb

Defined Under Namespace

Classes: CompilesComponentHelpers, CompilesConditionals, CompilesForm, CompilesHtmlAttributes, CompilesInlineRuby, CompilesLoops, CompilesOnce, CompilesStacks

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.has_handler(name) ⇒ Object 



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# File 'lib/rblade/compiler/compiles_statements.rb', line 55

def self.has_handler(name)
  statement_handlers[name].present? || (name.start_with?("end") && name != "endruby")
end

.register_handler(name, &block) ⇒ Object 



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# File 'lib/rblade/compiler/compiles_statements.rb', line 59

def self.register_handler(name, &block)
  statement_handlers[name.tr("_", "").downcase] = ["proc", block]
end

.register_raw_handler(name, &block) ⇒ Object 



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# File 'lib/rblade/compiler/compiles_statements.rb', line 63

def self.register_raw_handler(name, &block)
  statement_handlers[name.tr("_", "").downcase] = ["raw_proc", block]
end

Instance Method Details

#compile!(tokens) ⇒ Object 



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# File 'lib/rblade/compiler/compiles_statements.rb', line 14

def compile!(tokens)
  token_index = 0
  while token_index < tokens.count
    token = tokens[token_index]

    if token.type != :statement
      token_index += 1
      next
    end

    name = token.value[:name]
    arguments = token.value[:arguments]
    handler_class, handler = get_handler(name)

    handler_arguments = []
    handler.parameters.each do |parameter|
      case parameter.last
      when :args
        handler_arguments.push arguments
      when :tokens
        handler_arguments.push tokens
      when :token_index
        handler_arguments.push token_index
      else
        handler_arguments.push nil
      end
    end

    token.value = if handler_class == "proc"
      "@output_buffer.raw_buffer<<-'#{RBlade.escape_quotes(handler.call(*handler_arguments).to_s)}';"
    else
      handler.call(*handler_arguments)
    end
    token_index += 1
  end
end

#compile_end ⇒ Object 



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# File 'lib/rblade/compiler/compiles_statements.rb', line 51

def compile_end
  "end;"
end