diff options
author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-08-29 04:06:12 +0000 |
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committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-08-29 04:06:12 +0000 |
commit | 11dbedfaad4a9a9521ece2198a8dc491678b1902 (patch) | |
tree | 4806dc0ff0c3827ecc40921838c4507340cfdb3a /ruby_1_8_6/lib/rexml/validation/validation.rb | |
parent | 29e8d8b439b34c2a394407dc598fc01d14be0c20 (diff) |
add tag v1_8_6_5001v1_8_6_5001
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_6_5001@13304 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_1_8_6/lib/rexml/validation/validation.rb')
-rw-r--r-- | ruby_1_8_6/lib/rexml/validation/validation.rb | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/ruby_1_8_6/lib/rexml/validation/validation.rb b/ruby_1_8_6/lib/rexml/validation/validation.rb new file mode 100644 index 0000000000..160ea96b31 --- /dev/null +++ b/ruby_1_8_6/lib/rexml/validation/validation.rb @@ -0,0 +1,155 @@ +require 'rexml/validation/validationexception' + +module REXML + module Validation + module Validator + NILEVENT = [ nil ] + def reset + @current = @root + @root.reset + @root.previous = true + @attr_stack = [] + self + end + def dump + puts @root.inspect + end + def validate( event ) + #puts "Current: #@current" + #puts "Event: #{event.inspect}" + @attr_stack = [] unless defined? @attr_stack + match = @current.next(event) + raise ValidationException.new( "Validation error. Expected: "+ + @current.expected.join( " or " )+" from #{@current.inspect} "+ + " but got #{Event.new( event[0], event[1] ).inspect}" ) unless match + @current = match + + # Check for attributes + case event[0] + when :start_element + #puts "Checking attributes" + @attr_stack << event[2] + begin + sattr = [:start_attribute, nil] + eattr = [:end_attribute] + text = [:text, nil] + k,v = event[2].find { |k,v| + sattr[1] = k + #puts "Looking for #{sattr.inspect}" + m = @current.next( sattr ) + #puts "Got #{m.inspect}" + if m + # If the state has text children... + #puts "Looking for #{eattr.inspect}" + #puts "Expect #{m.expected}" + if m.matches?( eattr ) + #puts "Got end" + @current = m + else + #puts "Didn't get end" + text[1] = v + #puts "Looking for #{text.inspect}" + m = m.next( text ) + #puts "Got #{m.inspect}" + text[1] = nil + return false unless m + @current = m if m + end + m = @current.next( eattr ) + if m + @current = m + true + else + false + end + else + false + end + } + event[2].delete(k) if k + end while k + when :end_element + attrs = @attr_stack.pop + raise ValidationException.new( "Validation error. Illegal "+ + " attributes: #{attrs.inspect}") if attrs.length > 0 + end + end + end + + class Event + def initialize(event_type, event_arg=nil ) + @event_type = event_type + @event_arg = event_arg + end + + attr_reader :event_type + attr_accessor :event_arg + + def done? + @done + end + + def single? + return (@event_type != :start_element and @event_type != :start_attribute) + end + + def matches?( event ) + #puts "#@event_type =? #{event[0]} && #@event_arg =? #{event[1]} " + return false unless event[0] == @event_type + case event[0] + when nil + return true + when :start_element + return true if event[1] == @event_arg + when :end_element + return true + when :start_attribute + return true if event[1] == @event_arg + when :end_attribute + return true + when :end_document + return true + when :text + return (@event_arg.nil? or @event_arg == event[1]) +=begin + when :processing_instruction + false + when :xmldecl + false + when :start_doctype + false + when :end_doctype + false + when :externalentity + false + when :elementdecl + false + when :entity + false + when :attlistdecl + false + when :notationdecl + false + when :end_doctype + false +=end + else + false + end + end + + def ==( other ) + return false unless other.kind_of? Event + @event_type == other.event_type and @event_arg == other.event_arg + end + + def to_s + inspect + end + + def inspect + "#{@event_type.inspect}( #@event_arg )" + end + end + end +end |