Class: NoraMark::Html::TagWriter

Inherits:
Object
  • Object
show all
Includes:
Util, NodeUtil
Defined in:
lib/nora_mark/html/tag_writer.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from NodeUtil

#_node, #block, #inline, #text

Methods included from Util

#escape_html

Constructor Details

#initialize(tag_name, generator, **param) ⇒ TagWriter

Returns a new instance of TagWriter.



17
18
19
20
21
22
23
24
25
 
# File 'lib/nora_mark/html/tag_writer.rb', line 17

def initialize(tag_name, generator, **param)
  @tag_name = tag_name
  @generator = generator
  @context = generator.context
  @trailer = trailer
  @node_preprocessors = []
  @write_body_preprocessors = []
  @param = param
end

Instance Attribute Details

#node_preprocessors ⇒ Object

Returns the value of attribute node_preprocessors.



6
7
8
 
# File 'lib/nora_mark/html/tag_writer.rb', line 6

def node_preprocessors
  @node_preprocessors
end

#trailer ⇒ Object

Returns the value of attribute trailer.



6
7
8
 
# File 'lib/nora_mark/html/tag_writer.rb', line 6

def trailer
  @trailer
end

#write_body_preprocessors ⇒ Object

Returns the value of attribute write_body_preprocessors.



6
7
8
 
# File 'lib/nora_mark/html/tag_writer.rb', line 6

def write_body_preprocessors
  @write_body_preprocessors
end

Class Method Details

.create(tag_name, generator, node_preprocessor: nil, write_body_preprocessor: nil, trailer: "\n", chop_last_space: false) {|instance| ... } ⇒ Object

Yields:

  • (instance) 


8
9
10
11
12
13
14
15
 
# File 'lib/nora_mark/html/tag_writer.rb', line 8

def self.create(tag_name, generator, node_preprocessor: nil, write_body_preprocessor: nil, trailer: "\n", chop_last_space: false)
  instance = TagWriter.new(tag_name, generator, chop_last_space: chop_last_space)
  instance.node_preprocessors << node_preprocessor unless node_preprocessor.nil?
  instance.write_body_preprocessors << write_body_preprocessor unless write_body_preprocessor.nil?
  instance.trailer = trailer
  yield instance if block_given?
  instance
end

Instance Method Details

#add_class(node, cls) ⇒ Object 



51
52
53
 
# File 'lib/nora_mark/html/tag_writer.rb', line 51

def add_class(node, cls)
  (node.classes ||= []) << cls
end

#attr_string(attrs) ⇒ Object 



27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
 
# File 'lib/nora_mark/html/tag_writer.rb', line 27

def attr_string(attrs)
  return '' if attrs.nil?

  attrs.map do |name, vals|
    if vals.nil?
      ''
    elsif !vals.is_a? Array
      " #{name}='#{escape_html(name)}'"
    elsif vals.size == 0
      ''
    else
      " #{name}='#{escape_html(vals.join(' '))}'"
    end
  end.join('')
end

#class_string(cls_array) ⇒ Object 



43
44
45
 
# File 'lib/nora_mark/html/tag_writer.rb', line 43

def class_string(cls_array)
  attr_string({ class: cls_array })
end

#ids_string(ids_array) ⇒ Object 



47
48
49
 
# File 'lib/nora_mark/html/tag_writer.rb', line 47

def ids_string(ids_array)
  attr_string({ id: ids_array })
end

#output(string) ⇒ Object 



75
76
77
 
# File 'lib/nora_mark/html/tag_writer.rb', line 75

def output(string)
  @context << string
end

#tag_end(node) ⇒ Object 



79
80
81
82
83
84
 
# File 'lib/nora_mark/html/tag_writer.rb', line 79

def tag_end(node)
  return if node.no_tag

  tag_name = @tag_name || node.name
  @context << "</#{tag_name}>#{@trailer}"
end

#tag_start(node) ⇒ Object 



55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
 
# File 'lib/nora_mark/html/tag_writer.rb', line 55

def tag_start(node)
  return if node.no_tag

  ids = node.ids || []
  classes = node.classes || []
  attr = node.attrs || {}
  node.n.each { |k, v|
    if k.to_s.start_with? 'data-'
      attr.merge!({ k => [v] })
    end
  }
  tag_name = @tag_name || node.name
  @context << "<#{tag_name}#{ids_string(ids)}#{class_string(classes)}#{attr_string(attr)}"
  if node.body_empty
    @context << " />"
  else
    @context << ">"
  end
end

#write(node) ⇒ Object 



86
87
88
89
90
91
92
93
 
# File 'lib/nora_mark/html/tag_writer.rb', line 86

def write(node)
  @node_preprocessors.each { |x| node = instance_exec node.dup, &x }
  @context.enable_pgroup, saved_ep = !(node.params.map(&:text).include?('wo-pgroup') || !@context.enable_pgroup), @context.enable_pgroup
  tag_start node
  write_body node unless node.body_empty
  tag_end node unless node.body_empty
  @context.enable_pgroup = saved_ep
end

#write_body(node) ⇒ Object 



95
96
97
98
99
100
101
 
# File 'lib/nora_mark/html/tag_writer.rb', line 95

def write_body(node)
  @write_body_preprocessors.each { |x|
    return if instance_exec(node, &x) == :done
  }
  write_children node
  @generator.context.chop_last_space if node.n[:chop_last_space]
end

#write_children(node) ⇒ Object 



103
104
105
106
107
108
109
 
# File 'lib/nora_mark/html/tag_writer.rb', line 103

def write_children(node)
  if node.raw_text?
    output escape_html(node.content.join "\n")
  else
    write_nodeset(node.children)
  end
end

#write_nodeset(nodeset) ⇒ Object 



111
112
113
114
115
116
 
# File 'lib/nora_mark/html/tag_writer.rb', line 111

def write_nodeset(nodeset)
  return if nodeset.nil? || nodeset.size == 0

  nodeset.each { |x| @generator.to_html x }
  @generator.context.chop_last_space if (@param[:chop_last_space])
end