Class: Amrita2::Core::RootSpec

Inherits:
DynamicElementSpec show all
Defined in:
lib/amrita2/core.rb

Overview

:nodoc:

Instance Attribute Summary

Attributes inherited from DynamicElementSpec

#assigned_elements, #children, #cloned, #matcher, #option, #parent, #sym

Instance Method Summary collapse

Methods inherited from DynamicElementSpec

#check_double_id, #compile_element_main_code, #compile_element_sub_code, #dynamic_element, #get_dynamic_specs, #get_methods, #inspect, #make_default_template, #method_missing, #name_for, #output_stream

Constructor Details

#initialize(option = {}, &block) ⇒ RootSpec

Returns a new instance of RootSpec.



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# File 'lib/amrita2/core.rb', line 1017

def initialize(option={}, &block)
  option[:key_attr_name] = :id unless option[:key_attr_name]
  super(nil, nil, option, &block)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Amrita2::Core::DynamicElementSpec

Instance Method Details

#create_template_module(e, doc = nil) ⇒ Object 



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# File 'lib/amrita2/core.rb', line 1026

def create_template_module(e, doc=nil)
  m = Module.new
  result = create_template_module_text(e)
  @option[:debug_source].puts result  if @option[:debug_source]
  m.module_eval result
  if doc
    m.const_set(:XmlDecl, doc.xml_decl.to_s)
    m.const_set(:DocType, doc.doctype.to_s)
  end
  m
end

#create_template_module_text(e) ⇒ Object 



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# File 'lib/amrita2/core.rb', line 1038

def create_template_module_text(e)
  specs = [self]

  traverse_and_search_match(specs, e)
  # not match check
  raise "SPEC #{specs.first.sym} was not matched" if specs.size > 0 

  cg = CodeGenerator.new
  cg.ie_hack = option[:ie_hack] 
  cg.eval_cdata_as_erb = option[:eval_cdata_as_erb] 
  cg.code("include Amrita2")
  cg.code("extend Amrita2")

   cg.define_method(:expand_template, :out, "&block") do
     define_expand_template(cg, e)
   end

  cg.define_module(module_name) do
    cg.code("Methods = #{get_methods.inspect}")
    cg.code("include Amrita2")
    cg.code("extend Amrita2")
    define_sub_modules(cg, e)
  end

  cg.define_method(:xml_decl) do
    cg.code("XmlDecl.dup")
  end

  cg.define_method(:doctype) do
    cg.code("DocType.dup")
  end

  cg.results.join("\n")
end

#define_expand_template(cg, e) ⇒ Object 



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# File 'lib/amrita2/core.rb', line 1073

def define_expand_template(cg, e)
  cg.code("new_context(out) do")
  cg.level_up do
    cg.code("block.call(#{module_name or 'nil'}) if block_given? ")
    e.amrita_compile_main_code(cg)
  end
  cg.code("current_context.mv_index.clear")
  cg.code("end")
end

#define_sub_modules(cg, e) ⇒ Object 



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# File 'lib/amrita2/core.rb', line 1083

def define_sub_modules(cg, e)
  e.amrita_compile_sub_code(cg)
end

#generate_expander(mod, parent = nil) ⇒ Object 



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# File 'lib/amrita2/core.rb', line 1130

def generate_expander(mod, parent=nil)
  Expander::Root.new(self, mod)
end

#generate_template(spec, element) ⇒ Object 



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# File 'lib/amrita2/core.rb', line 1122

def generate_template(spec, element)
  src = spec.make_default_template
  doc = REXML::Document.new src
  doc.root.elements.each do |c|
    element.add(c)
  end
end

#module_name ⇒ Object 



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# File 'lib/amrita2/core.rb', line 1022

def module_name
  "MainContext"
end

#traverse_and_search_match(child_specs, element) ⇒ Object 



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# File 'lib/amrita2/core.rb', line 1087

def traverse_and_search_match(child_specs, element)
  spec = child_specs.first
  unless spec
    element.amrita_no_spec = true unless element.amrita_spec
    return false
  end
  if spec.matcher.match(element)
    element.amrita_no_spec = false
    element.amrita_spec = spec if spec.sym
    child_specs.shift unless spec.option[:match_many]
    specs = spec.children.collect do |s|
      s.get_dynamic_specs
    end.flatten
    if spec.option[:generate_template] and specs.size > 0 and element.elements.size == 0
      generate_template(spec, element)
    end
    traverse_and_search_match(specs, element)

    # not match check
    specs.each do |s|
      next if s.option[:match_many]
      next if s.option[:static_data]
      raise "SPEC #{s.sym} was not matched" 
    end
  else
    # check children has spec and set it to amrita_no_spec and return the result
    f = false                   
    element.elements.each do |ce|
      f |= traverse_and_search_match(child_specs, ce)
    end
    element.amrita_no_spec = (not f) 
    f
  end
end