Class: Temple::Filters::DynamicMerger

Inherits:
Temple::Filter show all
Defined in:
lib/temple/filters/dynamic_merger.rb

Overview

Compile [:multi, [:static, ‘foo’], [:dynamic, ‘bar’]] to [:dynamic, ‘“foo#bar”’]

Constant Summary

Constants included from Utils

Utils::ESCAPE_HTML, Utils::ESCAPE_HTML_PATTERN

Instance Attribute Summary

Attributes included from Mixins::Options

#options

Instance Method Summary collapse

Methods included from Mixins::Options

included, #initialize

Methods included from Mixins::ControlFlowDispatcher

#on_block, #on_case, #on_cond, #on_if

Methods included from Mixins::EscapeDispatcher

#on_escape

Methods included from Mixins::CoreDispatcher

#on_capture

Methods included from Mixins::CompiledDispatcher

#call, #compile

Methods included from Utils

#empty_exp?, #escape_html, #escape_html_safe, #indent_dynamic, #unique_name

Instance Method Details

#on_multi(*exps) ⇒ Object 



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# File 'lib/temple/filters/dynamic_merger.rb', line 6

def on_multi(*exps)
  exps = exps.dup
  result = [:multi]
  buffer = []

  until exps.empty?
    type, arg = exps.first
    if type == :dynamic && arg.count("\n") == 0
      buffer << exps.shift
    elsif type == :static && exps.size > (count = arg.count("\n")) &&
          exps[1, count].all? { |e| e == [:newline] }
      (1 + count).times { buffer << exps.shift }
    elsif type == :newline && exps.size > (count = count_newline(exps)) &&
          exps[count].first == :static && count == exps[count].last.count("\n")
      (count + 1).times { buffer << exps.shift }
    else
      result.concat(merge_dynamic(buffer))
      buffer = []
      result << compile(exps.shift)
    end
  end
  result.concat(merge_dynamic(buffer))

  result.size == 2 ? result[1] : result
end