Class: Redmine::WikiFormatting::Markdown::Formatter

Inherits:
Object
  • Object
show all
Defined in:
lib/redmine/wiki_formatting/markdown/formatter.rb

Instance Method Summary collapse

Constructor Details

#initialize(text) ⇒ Formatter

Returns a new instance of Formatter.


46
47
48
 
# File 'lib/redmine/wiki_formatting/markdown/formatter.rb', line 46

def initialize(text)
  @text = text
end

Instance Method Details

#extract_sections(index) ⇒ Object 


78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
 
# File 'lib/redmine/wiki_formatting/markdown/formatter.rb', line 78

def extract_sections(index)
  sections = ['', '', '']
  offset = 0
  i = 0
  l = 1
  inside_pre = false
  @text.split(/(^(?:.+\r?\n\r?(?:\=+|\-+)|#+.+|~~~.*)\s*$)/).each do |part|
    level = nil
    if part =~ /\A~{3,}(\S+)?\s*$/
      if $1
        if !inside_pre
          inside_pre = true
        end
      else
        inside_pre = !inside_pre
      end
    elsif inside_pre      # nop

    elsif part =~ /\A(#+).+/
      level = $1.size
    elsif part =~ /\A.+\r?\n\r?(\=+|\-+)\s*$/
      level = $1.include?('=') ? 1 : 2
    end
    if level
      i += 1
      if offset == 0 && i == index        # entering the requested section

        offset = 1
        l = level
      elsif offset == 1 && i > index && level <= l        # leaving the requested section

        offset = 2
      end
    end
    sections[offset] << part
  end
  sections.map(&:strip)
end

#get_section(index) ⇒ Object 


63
64
65
66
67
 
# File 'lib/redmine/wiki_formatting/markdown/formatter.rb', line 63

def get_section(index)
  section = extract_sections(index)[1]
  hash = Digest::MD5.hexdigest(section)
  return section, hash
end

#to_html(*args) ⇒ Object 


50
51
52
53
54
55
56
57
58
59
60
61
 
# File 'lib/redmine/wiki_formatting/markdown/formatter.rb', line 50

def to_html(*args)
  html = formatter.render(@text)  # restore wiki links eg. [[Foo]]

  html.gsub!(%r{\[<a href="(.*?)">(.*?)</a>\]}) do
    "[[#{$2}]]"
  end  # restore Redmine links with double-quotes, eg. version:"1.0"

  html.gsub!(/(\w):&quot;(.+?)&quot;/) do
    "#{$1}:\"#{$2}\""
  end
  html
end

#update_section(index, update, hash = nil) ⇒ Object 


69
70
71
72
73
74
75
76
 
# File 'lib/redmine/wiki_formatting/markdown/formatter.rb', line 69

def update_section(index, update, hash=nil)
  t = extract_sections(index)
  if hash.present? && hash != Digest::MD5.hexdigest(t[1])
    raise Redmine::WikiFormatting::StaleSectionError
  end
  t[1] = update unless t[1].blank?
  t.reject(&:blank?).join "\n\n"
end