139 lines
3.9 KiB
Ruby
139 lines
3.9 KiB
Ruby
require 'html5/html5parser/phase'
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module HTML5
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class InHeadPhase < Phase
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handle_start 'html', 'head', 'title', 'style', 'script', 'noscript'
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handle_start %w( base link meta )
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handle_end 'head'
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handle_end %w( html body br p ) => 'ImplyAfterHead'
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handle_end %w( title style script noscript )
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def process_eof
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if ['title', 'style', 'script'].include?(name = @tree.open_elements.last.name)
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parse_error("expected-named-closing-tag-but-got-eof", {"name" => @tree.open_elements.last.name})
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@tree.open_elements.pop
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end
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anything_else
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@parser.phase.process_eof
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end
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def processCharacters(data)
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if %w[title style script noscript].include?(@tree.open_elements.last.name)
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@tree.insertText(data)
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else
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anything_else
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@parser.phase.processCharacters(data)
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end
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end
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def startTagHead(name, attributes)
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parse_error("two-heads-are-not-better-than-one")
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end
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def startTagTitle(name, attributes)
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element = @tree.createElement(name, attributes)
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appendToHead(element)
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@tree.open_elements.push(element)
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@parser.tokenizer.content_model_flag = :RCDATA
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end
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def startTagStyle(name, attributes)
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element = @tree.createElement(name, attributes)
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if @tree.head_pointer != nil and @parser.phase == @parser.phases[:inHead]
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appendToHead(element)
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else
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@tree.open_elements.last.appendChild(element)
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end
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@tree.open_elements.push(element)
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@parser.tokenizer.content_model_flag = :CDATA
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end
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def startTagNoscript(name, attributes)
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# XXX Need to decide whether to implement the scripting disabled case.
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element = @tree.createElement(name, attributes)
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if @tree.head_pointer !=nil and @parser.phase == @parser.phases[:inHead]
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appendToHead(element)
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else
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@tree.open_elements.last.appendChild(element)
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end
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@tree.open_elements.push(element)
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@parser.tokenizer.content_model_flag = :CDATA
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end
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def startTagScript(name, attributes)
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#XXX Inner HTML case may be wrong
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element = @tree.createElement(name, attributes)
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element._flags.push("parser-inserted")
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if @tree.head_pointer != nil and @parser.phase == @parser.phases[:inHead]
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appendToHead(element)
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else
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@tree.open_elements.last.appendChild(element)
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end
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@tree.open_elements.push(element)
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@parser.tokenizer.content_model_flag = :CDATA
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end
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def startTagBaseLinkMeta(name, attributes)
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element = @tree.createElement(name, attributes)
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if @tree.head_pointer != nil and @parser.phase == @parser.phases[:inHead]
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appendToHead(element)
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else
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@tree.open_elements.last.appendChild(element)
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end
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end
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def startTagOther(name, attributes)
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anything_else
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@parser.phase.processStartTag(name, attributes)
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end
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def endTagHead(name)
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if @tree.open_elements.last.name == 'head'
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@tree.open_elements.pop
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else
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parse_error("unexpected-end-tag", {"name" => "head"})
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end
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@parser.phase = @parser.phases[:afterHead]
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end
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def endTagImplyAfterHead(name)
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anything_else
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@parser.phase.processEndTag(name)
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end
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def endTagTitleStyleScriptNoscript(name)
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if @tree.open_elements.last.name == name
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@tree.open_elements.pop
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else
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parse_error("unexpected-end-tag", {"name" => name})
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end
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end
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def endTagOther(name)
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parse_error("unexpected-end-tag", {"name" => name})
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end
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def anything_else
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if @tree.open_elements.last.name == 'head'
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endTagHead('head')
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else
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@parser.phase = @parser.phases[:afterHead]
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end
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end
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protected
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def appendToHead(element)
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if @tree.head_pointer.nil?
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assert @parser.inner_html
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@tree.open_elements.last.appendChild(element)
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else
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@tree.head_pointer.appendChild(element)
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end
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end
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end
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end
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