Class: Spider::TemplateBlocks::Each

Inherits:
Block show all
Defined in:
lib/spiderfw/templates/blocks/each.rb

Instance Attribute Summary

Attributes inherited from Block

#allowed_blocks, #doctype, #el, #template

Instance Method Summary collapse

Methods inherited from Block

#compile_content, #compile_text, #escape_text, #inspect, #parse_content, #var_to_scene, var_to_scene, vars_to_scene, #vars_to_scene

Constructor Details

#initialize(el, template = nil, allowed_blocks = nil) ⇒ Each

Returns a new instance of Each.



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# File 'lib/spiderfw/templates/blocks/each.rb', line 7

def initialize(el, template=nil, allowed_blocks=nil)
    @repeated = []
    super
end

Instance Method Details

#compile(options = {}) ⇒ Object 



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# File 'lib/spiderfw/templates/blocks/each.rb', line 12

def compile(options={})
    init = ""
    rep_type = nil
    rep = nil
    ['sp:each', 'sp:each_index', 'sp:each_pair', 'sp:each_with_index'].each do |name|
        if (@el.has_attribute?(name))
            rep_type = name[3..-1]
            rep = @el.get_attribute(name)
            @el.remove_attribute(name)
            break
        end
    end
    return nil unless rep_type
    if (rep =~ /\s*(.+)\s*\|\s*(.+)\s*\|/)
        repeated = $1.strip
        arguments = $2.strip
    end
    c = "#{vars_to_scene(repeated)}.#{rep_type} do |#{arguments}|\n"
    
    content = Spider::TemplateBlocks.parse_element(@el, @allowed_blocks, @template).compile(options)
    content.run_code.each_line do |line|
        c += '  '+line
    end
    c += '   $out << "\n"'
    c += "\n"
    c += "end\n"
    if content.init_code && !content.init_code.strip.empty?
        init = "#{vars_to_scene(repeated, '@scene')}.#{rep_type} do |#{arguments}|\n"
        init += content.init_code 
        init += "end\n"
    end
    return CompiledBlock.new(init, c)
end

#get_following(el) ⇒ Object 



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# File 'lib/spiderfw/templates/blocks/each.rb', line 46

def get_following(el)
    return false if (el.class == ::Hpricot::Text)
    if (el.name == 'sp:repeated')
        @repeated << el
    end
end