CodeRay::Scanners::HTML

    # File lib/coderay/scanners/html.rb, line 41
41:     def reset
42:       super
43:       @state = :initial
44:     end

     # File lib/coderay/scanners/html.rb, line 52
 52:     def scan_tokens tokens, options
 53: 
 54:       state = @state
 55:       plain_string_content = @plain_string_content
 56: 
 57:       until eos?
 58: 
 59:         kind = nil
 60:         match = nil
 61: 
 62:         if scan(/\s+/)
 63:           kind = :space
 64: 
 65:         else
 66: 
 67:           case state
 68: 
 69:           when :initial
 70:             if scan(/<!--.*?-->/)
 71:               kind = :comment
 72:             elsif scan(/<!DOCTYPE.*?>/)
 73:               kind = :doctype
 74:             elsif scan(/<\?xml.*?\?>/)
 75:               kind = :preprocessor
 76:             elsif scan(/<\?.*?\?>|<%.*?%>/)
 77:               kind = :comment
 78:             elsif scan(/<\/[-\w.:]*>/)
 79:               kind = :tag
 80:             elsif match = scan(/<[-\w.:]+>?/)
 81:               kind = :tag
 82:               state = :attribute unless match[1] == >>
 83:             elsif scan(/[^<>&]+/)
 84:               kind = :plain
 85:             elsif scan(/#{ENTITY}/x)
 86:               kind = :entity
 87:             elsif scan(/[<>&]/)
 88:               kind = :error
 89:             else
 90:               raise_inspect '[BUG] else-case reached with state %p' % [state], tokens
 91:             end
 92: 
 93:           when :attribute
 94:             if scan(/#{TAG_END}/)
 95:               kind = :tag
 96:               state = :initial
 97:             elsif scan(/#{ATTR_NAME}/)
 98:               kind = :attribute_name
 99:               state = :attribute_equal
100:             else
101:               kind = :error
102:               getch
103:             end
104: 
105:           when :attribute_equal
106:             if scan(/=/)
107:               kind = :operator
108:               state = :attribute_value
109:             elsif scan(/#{ATTR_NAME}/)
110:               kind = :attribute_name
111:             elsif scan(/#{TAG_END}/)
112:               kind = :tag
113:               state = :initial
114:             elsif scan(/./)
115:               kind = :error
116:               state = :attribute
117:             end
118: 
119:           when :attribute_value
120:             if scan(/#{ATTR_VALUE_UNQUOTED}/)
121:               kind = :attribute_value
122:               state = :attribute
123:             elsif match = scan(/["']/)
124:               tokens << [:open, :string]
125:               state = :attribute_value_string
126:               plain_string_content = PLAIN_STRING_CONTENT[match]
127:               kind = :delimiter
128:             elsif scan(/#{TAG_END}/)
129:               kind = :tag
130:               state = :initial
131:             else
132:               kind = :error
133:               getch
134:             end
135: 
136:           when :attribute_value_string
137:             if scan(plain_string_content)
138:               kind = :content
139:             elsif scan(/['"]/)
140:               tokens << [matched, :delimiter]
141:               tokens << [:close, :string]
142:               state = :attribute
143:               next
144:             elsif scan(/#{ENTITY}/x)
145:               kind = :entity
146:             elsif scan(/&/)
147:               kind = :content
148:             elsif scan(/[\n>]/)
149:               tokens << [:close, :string]
150:               kind = :error
151:               state = :initial
152:             end
153: 
154:           else
155:             raise_inspect 'Unknown state: %p' % [state], tokens
156: 
157:           end
158: 
159:         end
160: 
161:         match ||= matched
162:         if $CODERAY_DEBUG and not kind
163:           raise_inspect 'Error token %p in line %d' %
164:             [[match, kind], line], tokens, state
165:         end
166:         raise_inspect 'Empty token', tokens unless match
167: 
168:         tokens << [match, kind]
169:       end
170: 
171:       if options[:keep_state]
172:         @state = state
173:         @plain_string_content = plain_string_content
174:       end
175: 
176:       tokens
177:     end

    # File lib/coderay/scanners/html.rb, line 47
47:     def setup
48:       @state = :initial
49:       @plain_string_content = nil
50:     end