Class: EZML::Buffer

Inherits:
Object show all
Includes:
Helpers, Util
Defined in:
lib/ezml/buffer.rb

Constant Summary

Constants included from Helpers

Helpers::HTML_ESCAPE, Helpers::HTML_ESCAPE_ONCE_REGEX, Helpers::HTML_ESCAPE_REGEX

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Util

#balance, #check_encoding, #check_ezml_encoding, #contains_interpolation?, #handle_interpolation, #html_safe, #human_indentation, #inspect_obj, #silence_warnings, #unescape_interpolation

Methods included from Helpers

action_view?, #block_is_ezml?, #capture_ezml, #escape_once, #ezml_concat, #ezml_indent, #ezml_tag, #ezml_tag_if, #find_and_preserve, #html_attrs, #html_escape, #init_ezml_helpers, #is_ezml?, #list_of, #non_ezml, #precede, #preserve, #succeed, #surround, #tab_down, #tab_up, #with_tabs

Constructor Details

#initialize(upper = nil, options = {}) ⇒ Buffer

Returns a new instance of Buffer.



46
47
48
49
50
51
52
53
54
55
56
57
 
# File 'lib/ezml/buffer.rb', line 46

def initialize(upper = nil, options = {})
  @active     = true
  @upper      = upper
  @options    = Options.buffer_defaults
  @options    = @options.merge(options) unless options.empty?
  @buffer     = new_encoded_string
  @tabulation = 0

  # The number of tabs that Engine thinks we should have
  # @real_tabs + @tabulation is the number of tabs actually output
  @real_tabs = 0
end

Instance Attribute Details

#active=(value) ⇒ Object (writeonly)

Sets the attribute active

Parameters:

  • value —

    the value to set the attribute active to.



11
12
13
 
# File 'lib/ezml/buffer.rb', line 11

def active=(value)
  @active = value
end

#buffer ⇒ Object

Returns the value of attribute buffer.



7
8
9
 
# File 'lib/ezml/buffer.rb', line 7

def buffer
  @buffer
end

#capture_position ⇒ Object

Returns the value of attribute capture_position.



10
11
12
 
# File 'lib/ezml/buffer.rb', line 10

def capture_position
  @capture_position
end

#options ⇒ Object

Returns the value of attribute options.



8
9
10
 
# File 'lib/ezml/buffer.rb', line 8

def options
  @options
end

#upper ⇒ Object

Returns the value of attribute upper.



9
10
11
 
# File 'lib/ezml/buffer.rb', line 9

def upper
  @upper
end

Instance Method Details

#active? ⇒ Boolean

Returns:

  • (Boolean) 


33
34
35
 
# File 'lib/ezml/buffer.rb', line 33

def active?
  @active
end

#adjust_tabs(tab_change) ⇒ Object 



72
73
74
 
# File 'lib/ezml/buffer.rb', line 72

def adjust_tabs(tab_change)
  @real_tabs += tab_change
end

#attributes(class_id, obj_ref, *attributes_hashes) ⇒ Object 



76
77
78
79
80
81
82
83
84
85
86
 
# File 'lib/ezml/buffer.rb', line 76

def attributes(class_id, obj_ref, *attributes_hashes)
  attributes = class_id
  attributes_hashes.each do |old|
    result = {}
    old.each { |k, v| result[k.to_s] = v }
    AttributeBuilder.merge_attributes!(attributes, result)
  end
  AttributeBuilder.merge_attributes!(attributes, parse_object_ref(obj_ref)) if obj_ref
  AttributeBuilder.build_attributes(
    html?, @options[:attr_wrapper], @options[:escape_attrs], @options[:hyphenate_data_attrs], attributes)
end

#fix_textareas!(input) ⇒ Object 



97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
 
# File 'lib/ezml/buffer.rb', line 97

def fix_textareas!(input)
  return input unless input.include?('<textarea'.freeze)

  pattern = /<(textarea)([^>]*)>(\n|&#x000A;)(.*?)<\/textarea>/im
  input.gsub!(pattern) do |s|
    match = pattern.match(s)
    content = match[4]
    if match[3] == '&#x000A;'
      content.sub!(/\A /, '&#x0020;')
    else
      content.sub!(/\A[ ]*/, '')
    end
    "<#{match[1]}#{match[2]}>\n#{content}</#{match[1]}>"
  end
  input
end

#html4? ⇒ Boolean

Returns:

  • (Boolean) 


21
22
23
 
# File 'lib/ezml/buffer.rb', line 21

def html4?
  @options[:format] == :html4
end

#html5? ⇒ Boolean

Returns:

  • (Boolean) 


25
26
27
 
# File 'lib/ezml/buffer.rb', line 25

def html5?
  @options[:format] == :html5
end

#html? ⇒ Boolean

Returns:

  • (Boolean) 


17
18
19
 
# File 'lib/ezml/buffer.rb', line 17

def html?
  html4? or html5?
end

#push_text(text, tab_change, dont_tab_up) ⇒ Object 



59
60
61
62
63
64
65
66
67
68
69
70
 
# File 'lib/ezml/buffer.rb', line 59

def push_text(text, tab_change, dont_tab_up)
  if @tabulation > 0
    # Have to push every line in by the extra user set tabulation.
    # Don't push lines with just whitespace, though,
    # because that screws up precompiled indentation.
    text.gsub!(/^(?!\s+$)/m, tabs)
    text.sub!(tabs, '') if dont_tab_up
  end

  @real_tabs += tab_change
  @buffer << text
end

#rstrip! ⇒ Object 



88
89
90
91
92
93
94
95
 
# File 'lib/ezml/buffer.rb', line 88

def rstrip!
  if capture_position.nil?
    buffer.rstrip!
    return
  end

  buffer << buffer.slice!(capture_position..-1).rstrip
end

#tabulation ⇒ Object 



37
38
39
 
# File 'lib/ezml/buffer.rb', line 37

def tabulation
  @real_tabs + @tabulation
end

#tabulation=(val) ⇒ Object 



41
42
43
44
 
# File 'lib/ezml/buffer.rb', line 41

def tabulation=(val)
  val = val - @real_tabs
  @tabulation = val > -1 ? val : 0
end

#toplevel? ⇒ Boolean

Returns:

  • (Boolean) 


29
30
31
 
# File 'lib/ezml/buffer.rb', line 29

def toplevel?
  upper.nil?
end

#xhtml? ⇒ Boolean

Returns:

  • (Boolean) 


13
14
15
 
# File 'lib/ezml/buffer.rb', line 13

def xhtml?
  not html?
end