Class: Webgen::Page

Inherits:
Object
  • Object
show all
Defined in:
lib/webgen/page.rb

Overview

A Page object wraps a meta information hash and an array of Block objects. It is normally generated from a file or string in Webgen Page Format using the provided class methods.

Constant Summary collapse

RE_META_INFO_START = 
/\A---\s*(?:\n|\r|\r\n)/m
RE_META_INFO = 
/\A---\s*(?:\n|\r|\r\n).*?(?:\n|\r|\r\n)(?=---.*?(?:\n|\r|\r\n)|\Z)/m
RE_BLOCKS_OPTIONS = 
/^--- *?(?: *((?:\w+:[^\s]* *)*))?$|^$/
RE_BLOCKS_START = 
/^--- .*?$|^--- *$/
RE_BLOCKS = 
/(?:(#{RE_BLOCKS_START})|\A)(.*?)(?:(?=#{RE_BLOCKS_START})|\Z)/m

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(meta_info = {}, blocks = nil) ⇒ Page

Create a new Page object with the meta information provided in meta_info and the given blocks.



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# File 'lib/webgen/page.rb', line 126

def initialize(meta_info = {}, blocks = nil)
  @meta_info = meta_info
  @blocks = blocks
end

Instance Attribute Details

#blocks ⇒ Object (readonly)

The array of blocks for the page.



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# File 'lib/webgen/page.rb', line 122

def blocks
  @blocks
end

#meta_info ⇒ Object (readonly)

The contents of the meta information block.



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# File 'lib/webgen/page.rb', line 119

def meta_info
  @meta_info
end

Class Method Details

.from_data(data, meta_info = {}) ⇒ Object

Parse the given string data in Webgen Page Format and initialize a new Page object with the information. The meta_info parameter can be used to provide default meta information.



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# File 'lib/webgen/page.rb', line 56

def from_data(data, meta_info = {})
  md = /(#{RE_META_INFO})?(.*)/m.match(normalize_eol(data))
  if md[1].nil? && data =~ RE_META_INFO_START
    raise WebgenPageFormatError, 'Found start line for meta information block but no valid meta information block'
  end
  meta_info = meta_info.merge(md[1].nil? ? {} : parse_meta_info(md[1]))
  blocks = parse_blocks(md[2] || '', meta_info)
  new(meta_info, blocks)
end