Class: Caboose::BlockTypeParser

Inherits:
Object
  • Object
show all
Defined in:
app/models/caboose/block_type_parser.rb

Class Method Summary collapse

Class Method Details

.parse(str) ⇒ Object 



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# File 'app/models/caboose/block_type_parser.rb', line 164

def BlockTypeParser.parse(str)
  
  vars = {}
  pattern = /<%= \|(.*?)\| %>/
  new_lines = []
  lines = str.split("\n")
  lines.each do |line|        
    matches = line.to_enum(:scan, pattern).map{$&}
    if matches
      matches.each do |match|
        next if match.nil? || match.length == 0                        
        arr = match[5..-5].split('|')
                    
        name        = arr.count > 0 ? arr[0] : nil
        description = arr.count > 1 ? arr[1] : nil
        field_type  = arr.count > 2 ? arr[2] : nil
        default     = arr.count > 3 ? arr[3] : nil
        default = default && ((default.starts_with?('"') && default.ends_with?('"')) || (default.starts_with?("'") && default.ends_with?("'"))) ? default[1..-2] : nil 
        
        if vars[name.to_sym].nil?
          vars[name.to_sym] = StdClass.new({
            :name        => name        ,        
            :description => description ,
            :field_type  => field_type  ,
            :default     => default
          })            
        end
        line.gsub!(match, "<%= #{name} %>")          
      end
    end
    new_lines << line
  end
  
  str2 = "<%\n"
  vars.each do |k,var|
    str2 << "#{var.name} = block.child_value('#{var.name}')\n"                        
  end
  str2 << "\n"
  vars.each do |k,var|                
    str2 << "#{var.name} = \"#{var.default.gsub('"', '\"')}\" if #{var.name}.nil? || #{var.name}.length == 0\n" if var.default        
  end
  str2 << "%>\n"
  str2 << new_lines.join("\n")      
  return str2                  
end

.parse_html(str, tags, children = nil) ⇒ Object 



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# File 'app/models/caboose/block_type_parser.rb', line 7

def BlockTypeParser.parse_html(str, tags, children = nil)

  doc = Nokogiri::HTML.fragment(str)            
  doc.children.first.set_attribute('id', "block_<%= block.id %>")

  count = 0
  rf_header = []
  rf_body = "#{doc.to_html}"      
  new_children = []
  tags.each do |tag|        
    case tag
      when 'heading'
        
        headings = doc.search('h1') + doc.search('h2') + doc.search('h3') + doc.search('h4') + doc.search('h5') + doc.search('h6')            
        headings.each_with_index do |h, i|
          
          info = children ? (children[count] ? children[count] : (children[count.to_s] ? children[count.to_s] : nil)) : nil
          description = info && info['description'] ? info['description'] : "#{(i+1).ordinalize} Heading"
          name        = info && info['name']        ? info['name']        : description.downcase.gsub(' ', '_')
          
          cv = StdClass.new
          cv.heading_text = h.text	                
         cv.size          = h.name.gsub('h','').to_i
          cv.align         = h.attributes['align'].to_s if h.attributes['align']
          cv.extra_classes = h.attributes['class'].to_s if h.attributes['class']
          if h['style']
            cv.align         = h.styles['text-align'] if h.styles['text-align']
           cv.color         = h.styles['color']      if h.styles['color']
           cv.margin_bottom = h.styles['margin-bottom'] if h.styles['margin-bottom']
           cv.margin_top    = h.styles['margin-top']    if h.styles['margin-top']
           cv.underline     = true if h.styles['text-decoration']
         end

          v = StdClass.new({              
            :name         => name,
            :description  => description,
            :field_type   => 'heading',
            :child_values => cv
          })
                        
          rf_body.gsub!(h.to_s, "<%= block.render('#{name}') %>")              
          new_children << v              
                          
          count = count + 1              
        end
        
      when 'link'
        
        links = doc.search('a')            
        links.each_with_index do |link, i|
          
          info = children ? (children[count] ? children[count] : (children[count.to_s] ? children[count.to_s] : nil)) : nil
          description = info && info['description'] ? info['description'] : "#{(i+1).ordinalize} Link"
          name        = info && info['name']        ? info['name']        : description.downcase.gsub(' ', '_')

          cv = StdClass.new
          cv.text          = link.text
          cv.align         = link.attributes['align'  ].to_s if link.attributes['align'  ]
          cv.target        = link.attributes['target' ].to_s if link.attributes['target' ]
          cv.url           = link.attributes['href'   ].to_s if link.attributes['href'   ]
         cv.extra_classes = link.attributes['class'  ].to_s if link.attributes['class'  ]
         if link['style']
            cv.align         = link.styles['text-align'   ] if link.styles['text-align'    ]
           cv.color         = link.styles['color'        ] if link.styles['color'         ]
           cv.margin        = link.styles['margin'       ] if link.styles['margin-bottom' ]
           cv.margin_top    = link.styles['margin-top'   ] if link.styles['margin-top'    ]
           cv.margin_bottom = link.styles['margin-bottom'] if link.styles['margin-bottom' ]	              
           cv.margin_left   = link.styles['margin-left'  ] if link.styles['margin-left'   ]
           cv.margin_right  = link.styles['margin-right' ] if link.styles['margin-right'  ]	              
         end

          v = StdClass.new({              
            :name         => name,
            :description  => description,
            :field_type   => 'button',
            :child_values => cv
          })
                        
          rf_body.gsub!(link.to_s, "<%= block.render('#{name}') %>")              
          new_children << v              
                          
          count = count + 1              
        end

      when 'richtext'
        
        paragraphs = doc.search('p')            
        paragraphs.each_with_index do |p, i|
          
          info = children ? (children[count] ? children[count] : (children[count.to_s] ? children[count.to_s] : nil)) : nil
          description = info && info['description'] ? info['description'] : "#{(i+1).ordinalize} Richtext"
          name        = info && info['name']        ? info['name']        : description.downcase.gsub(' ', '_')

          v = StdClass.new({              
            :name         => name,
            :description  => description,
            :field_type   => 'richtext',
            :default      => p.text                
          })
                        
          rf_body.gsub!(p.to_s, "<%= block.render('#{name}') %>")              
          new_children << v              
                          
          count = count + 1              
        end
                    
      when 'img'
        
        images = doc.search('img')            
        images.each_with_index do |img, i|
          
          info = children ? (children[count] ? children[count] : (children[count.to_s] ? children[count.to_s] : nil)) : nil
          description = info && info['description'] ? info['description'] : "#{(i+1).ordinalize} Image"
          name        = info && info['name']        ? info['name']        : description.downcase.gsub(' ', '_')
          
          cv = StdClass.new              
         cv.image_src	    = img.attributes['src'    ].to_s
         cv.alt_text	      = img.attributes['alt'    ].to_s if img.attributes['alt'    ]
         cv.width	        = img.attributes['width'  ].to_s if img.attributes['width'  ]
         cv.height	        = img.attributes['height' ].to_s if img.attributes['height' ]	            
         cv.width          = img.styles['width'         ] if img.styles['width'         ]
         cv.height         = img.styles['height'        ] if img.styles['height'        ]	            
         cv.align          = img.styles['float'         ] if img.styles['float'         ]
         cv.margin_bottom  = img.styles['margin-bottom' ] if img.styles['margin-bottom' ]
         cv.margin_left    = img.styles['margin-left'   ] if img.styles['margin-left'   ]
         cv.margin_right   = img.styles['margin-right'  ] if img.styles['margin-right'  ]
         cv.margin_top     = img.styles['margin-top'    ] if img.styles['margin-top'    ]
         
         Caboose.log(cv)

          v = StdClass.new({              
            :name         => name,
            :description  => description,
            :field_type   => 'image2',
            :child_values => cv
          })
                        
          rf_body.gsub!(img.to_s, "<%= block.render('#{name}') %>")              
          new_children << v              
                          
          count = count + 1              
        end
        
    end
  end

  render_function = ""
  render_function << "<%\n#{rf_header.join("\n")}\n%>\n" if rf_header.count > 0
  render_function << rf_body
  
  return {
    :original_html => str,
    :render_function => render_function,
    :children => new_children
  }                                    
end