Class WebPageData
In: lib/webgen/content.rb
Parent: Object
WebPageDataInvalid WebPageData HtmlBlock RuntimeError dot/f_1.png

A WebPageData object contains the parsed data of a file/string in the WebPage Description Format.

Methods

convert   new   parse  

Attributes

blocks  [R]  The content blocks. Access via index or name.
meta_info  [R]  The contents of the meta information block.

Public Class methods

new( data, formatters = {'default' => proc {|c| c} }

Parses the given String data and initializes a new WebPageData object with the found values. The blocks are converted to HTML by using the provided formatters hash. A key in this hash has to be a format name and the value and object which responds to the +call(content)+ method. You can set default_meta_info to provide default entries for the meta information block.

[Source]

     # File lib/webgen/content.rb, line 130
130:   def initialize( data, formatters = {'default' => proc {|c| c} }, default_meta_info = {} )
131:     @meta_info = default_meta_info
132:     @formatters = formatters
133:     parse( data )
134:   end

Private Instance methods

convert( content, format )

[Source]

     # File lib/webgen/content.rb, line 167
167:   def convert( content, format )
168:     raise( WebPageDataInvalid, "Invalid content format specified: #{format}" ) unless @formatters.has_key?( format )
169:     @formatters[format].call( content )
170:   end
parse( data )

[Source]

     # File lib/webgen/content.rb, line 140
140:   def parse( data )
141:     @blocks = {}
142:     blocks = data.gsub(/\r\n?/, "\n").scan( /(?:(?:^--- *(?:(\w+) *(?:, *(\w+) *)?)?$)|\A)(.*?)(?:(?=^---.*?$)|\Z)/m )
143:     if data =~ /\A---\s*$/
144:       begin
145:         meta = YAML::load( blocks.shift[2] )
146:         raise( WebPageDataInvalid, 'Invalid structure of meta information part') unless meta.kind_of?( Hash )
147:         @meta_info.update( meta )
148:       rescue ArgumentError => e
149:         raise WebPageDataInvalid, e.message
150:       end
151:     end
152: 
153:     raise( WebPageDataInvalid, 'No content blocks specified' ) if blocks.length == 0
154: 
155:     blocks.each_with_index do |block_data, index|
156:       name, format, content = *block_data
157:       name = name || (@meta_info['blocks'] && @meta_info['blocks'][index] && @meta_info['blocks'][index][0]) || 'content'
158:       raise( WebPageDataInvalid, "Same name used for more than one block: #{name}" ) if @blocks.has_key?( name )
159:       content ||= ''
160:       content.gsub!( /^(\\+)(---.*?)$/ ) {|m| "\\" * ($1.length / 2) + $2 }
161:       content.strip!
162:       format = format || (@meta_info['blocks'] && @meta_info['blocks'][index] && @meta_info['blocks'][index][1]) || 'default'
163:       @blocks[name] = @blocks[index] = HtmlBlock.new( name, convert( content, format ) )
164:     end
165:   end

[Validate]