Class: Hypertext

Inherits:
Object
  • Object
show all
Defined in:
lib/hypertext.rb,
lib/hypertext/dsl.rb

Overview

Copyright © 2021 Michel Martens

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Defined Under Namespace

Classes: DSL

Constant Summary collapse

ENTITIES = 
{
  "'" => ''',
  '&' => '&',
  '"' => '"',
  '<' => '&lt;',
  '>' => '&gt;',
}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Hypertext

Returns a new instance of Hypertext.



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# File 'lib/hypertext.rb', line 46

def initialize
  @dom = []

  if block_given?
    yield self
  end
end

Class Method Details

.escape(str) ⇒ Object 



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# File 'lib/hypertext.rb', line 42

def self.escape(str)
  str.gsub(/['&\"<>]/, ENTITIES)
end

.render(array, indent = " ", level = 0) ⇒ Object 



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# File 'lib/hypertext.rb', line 32

def self.render(array, indent = "  ", level = 0)
  array.map do |element|
    if Array === element
      render(element, indent, level + 1)
    else
      sprintf "%s%s\n", indent * level, element
    end
  end.join
end

Instance Method Details

#tag(name, attributes = {}) ⇒ Object 



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# File 'lib/hypertext.rb', line 54

def tag(name, attributes = {})
  atts = compile(attributes)

  if block_given?
    @dom << "<#{name}#{atts}>"

    original, @dom = @dom, []
    yield
    @dom = original << @dom

    @dom << "</#{name}>"
  else
    @dom << "<#{name}#{atts} />"
  end
end

#text(value) ⇒ Object 



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# File 'lib/hypertext.rb', line 70

def text(value)
  @dom << escape(value)
end

#to_a ⇒ Object 



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# File 'lib/hypertext.rb', line 74

def to_a
  @dom
end

#to_s(indent = " ") ⇒ Object 



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# File 'lib/hypertext.rb', line 78

def to_s(indent = "  ")
  self.class.render(@dom, indent)
end