Module: Spider::TemplateBlocks

Defined in:
lib/spiderfw/templates/blocks/if.rb,
lib/spiderfw/templates/blocks/run.rb,
lib/spiderfw/templates/blocks/tag.rb,
lib/spiderfw/templates/blocks/each.rb,
lib/spiderfw/templates/blocks/html.rb,
lib/spiderfw/templates/blocks/pass.rb,
lib/spiderfw/templates/blocks/text.rb,
lib/spiderfw/templates/blocks/yield.rb,
lib/spiderfw/templates/blocks/lambda.rb,
lib/spiderfw/templates/blocks/output.rb,
lib/spiderfw/templates/blocks/render.rb,
lib/spiderfw/templates/blocks/tag_if.rb,
lib/spiderfw/templates/blocks/widget.rb,
lib/spiderfw/templates/blocks/attr_if.rb,
lib/spiderfw/templates/blocks/comment.rb,
lib/spiderfw/templates/blocks/recurse.rb,
lib/spiderfw/templates/blocks/debugger.rb,
lib/spiderfw/templates/template_blocks.rb,
lib/spiderfw/templates/blocks/layout_assets.rb,
lib/spiderfw/templates/blocks/parent_context.rb

Defined Under Namespace

Classes: AttrIf, Block, Comment, CompiledBlock, Debugger, Each, HTML, If, Lambda, LayoutAssets, Output, ParentContext, Pass, Recurse, Render, Run, Tag, TagIf, Text, Widget, Yield

Constant Summary collapse

ExpressionOutputRegexp = 
/\{?\{\s([^\s].*?)\s\}\}?/
GettextRegexp = 
/_\(([^\)]+)?\)(\s%\s([^\s,]+(?:,\s*\S+\s*)?))?/
ERBRegexp = 
/(<%(.+)?%>)/

Class Method Summary collapse

Class Method Details

.compile_content(el, c = '', init = '', options = {}) ⇒ Object 



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# File 'lib/spiderfw/templates/template_blocks.rb', line 74

def self.compile_content(el, c='', init='', options={})
    c ||= ""
    init ||= ""
    blocks = self.parse_content(el, options[:allowed_blocks], options[:template])
    blocks.each do |block|
        compiled = block.compile(options)
        next unless compiled
        c += compiled.run_code if (compiled.run_code)
        init += compiled.init_code if (compiled.init_code)
    end
    return [c, init]
end

.get_block_type(el, skip_attributes = false) ⇒ Object 



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

def self.get_block_type(el, skip_attributes=false)
    if el.class == ::Hpricot::Text
        block = :Text
    elsif el.class == ::Hpricot::Comment
        block = :Comment
    elsif !skip_attributes && el.has_attribute?('sp:lambda')
        block = :Lambda
    elsif !skip_attributes && (el.has_attribute?('sp:if') || el.has_attribute?('sp:run-if'))
        block = :If
    elsif !skip_attributes && el.has_attribute?('sp:tag-if')
        block = :TagIf
    elsif !skip_attributes && el.has_attribute?('sp:attr-if')
        block = :AttrIf
    elsif !skip_attributes && (el.has_attribute?('sp:each') || el.has_attribute?('sp:each_index') \
                            || el.has_attribute?('sp:each_pair') || el.has_attribute?('sp:each_with_index'))
        block = :Each
    elsif el.name == 'tpl:output'
        block = :Output
    elsif el.name == 'tpl:output-assets'
        block = :LayoutAssets    
    elsif el.name == 'sp:render'
        block = :Render
    elsif el.name == 'sp:run'
        block = :Run
    elsif el.name == 'sp:yield'
        block = :Yield
    elsif el.name == 'sp:pass' || el.name == 'tpl:pass' || el.name == 'sp:template'
        block = :Pass
    elsif el.name == 'sp:debugger'
        block = :Debugger
    elsif el.name == 'sp:parent-context'
        block = :ParentContext
    elsif el.name == 'sp:recurse'
        block = :Recurse
    elsif Spider::Template.registered?(el.name)
        klass = Spider::Template.get_registered_class(el.name)
        if klass < ::Spider::Widget
            block = :Widget
        elsif klass < Spider::Tag
            block = :Tag
        else
            Spider.logger.error("Could not parse #{el.name} tag")
        end
    else
        block = :HTML
    end
    return block
end

.parse_content(el, allowed_blocks = nil, template = nil) ⇒ Object 



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# File 'lib/spiderfw/templates/template_blocks.rb', line 61

def self.parse_content(el, allowed_blocks=nil, template=nil)
    content_blocks = []
    last_block = nil
    el.each_child do |ch|
        #Spider.logger.debug "TRAVERSING CHILD #{ch}"
        # Gives the preceding block the chance to "eat" the next elements
        next if (last_block && last_block.get_following(ch))
        last_block = TemplateBlocks.parse_element(ch, allowed_blocks, template)
        content_blocks << last_block if (last_block)
    end
    return content_blocks
end

.parse_element(el, allowed_blocks = nil, template = nil) ⇒ Object 



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# File 'lib/spiderfw/templates/template_blocks.rb', line 5

def self.parse_element(el, allowed_blocks=nil, template=nil)
    return nil if (el.class == ::Hpricot::BogusETag)
    block = get_block_type(el)
    return nil unless (!allowed_blocks || allowed_blocks.include?(block))
    return const_get(block).new(el, template, allowed_blocks)
end