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

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

Direct Known Subclasses

CommonMark::Formatter

Constant Summary

Constants included from LinksHelper

LinksHelper::AUTO_LINK_RE

Instance Method Summary collapse

Methods included from LinksHelper

#auto_link!, #auto_mailto!, #restore_redmine_links

Constructor Details

#initialize(text) ⇒ Formatter

Returns a new instance of Formatter.



62
63
64
# File 'lib/redmine/wiki_formatting/markdown/formatter.rb', line 62

def initialize(text)
  @text = text
end

Instance Method Details

#extract_sections(index) ⇒ Object



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
116
117
118
119
120
121
122
123
# File 'lib/redmine/wiki_formatting/markdown/formatter.rb', line 88

def extract_sections(index)
  sections = [+'', +'', +'']
  offset = 0
  i = 0
  l = 1
  inside_pre = false
  @text.split(/(^(?:\S+\r?\n\r?(?:\=+|\-+)|#+.+|(?:~~~|```).*)\s*$)/).each do |part|
    level = nil
    if part =~ /\A(~{3,}|`{3,})(\s*\S+)?\s*$/
      if !inside_pre
        inside_pre = true
      elsif !$2
        inside_pre = false
      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



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

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

#to_html(*args) ⇒ Object



66
67
68
69
70
# File 'lib/redmine/wiki_formatting/markdown/formatter.rb', line 66

def to_html(*args)
  html = formatter.render(@text)
  html = inline_restore_redmine_links(html)
  html
end

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



78
79
80
81
82
83
84
85
86
# File 'lib/redmine/wiki_formatting/markdown/formatter.rb', line 78

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