115 lines
2.2 KiB
Ruby
115 lines
2.2 KiB
Ruby
module Oga
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module ParsingHelpers
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##
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# Builds an AST node.
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#
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# @param [Symbol] type
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# @param [Array] cihldren
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# @return [AST::Node]
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#
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def s(type, *children)
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return AST::Node.new(type, children)
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end
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##
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# @see [Oga::XML::NodeSet#initialize]
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#
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def node_set(*args)
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return Oga::XML::NodeSet.new(args)
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end
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##
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# Lexes a string and returns the tokens.
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#
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# @param [String] input
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# @param [Hash] options
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# @return [Array]
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#
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def lex(input, options = {})
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return Oga::XML::Lexer.new(input, options).lex
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end
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##
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# @see [#lex]
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#
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def lex_stringio(input, options = {})
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return lex(StringIO.new(input), options)
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end
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##
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# @see [#lex]
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#
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def lex_html(input)
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return Oga::XML::Lexer.new(input, :html => true).lex
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end
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##
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# Lexes an XPath expression.
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#
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# @param [String] input
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# @return [Array]
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#
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def lex_xpath(input)
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return Oga::XPath::Lexer.new(input).lex
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end
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##
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# Lexes a CSS expression.
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#
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# @param [String] input
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# @return [Array]
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#
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def lex_css(input)
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return Oga::CSS::Lexer.new(input).lex
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end
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##
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# @param [String] input
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# @return [AST::Node]
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#
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def parse_css(input)
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return Oga::CSS::Parser.new(input).parse
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end
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##
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# Parses an XPath expression.
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#
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# @param [String] input
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# @return [AST::Node]
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#
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def parse_xpath(input)
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return Oga::XPath::Parser.new(input).parse
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end
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##
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# @param [String] input
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# @param [Hash] options
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# @return [Oga::XML::Document]
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#
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def parse(input, options = {})
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return Oga::XML::Parser.new(input, options).parse
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end
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##
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# Parses the given HTML and returns an AST.
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#
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# @see #parse
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#
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def parse_html(input, options = {})
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return Oga::HTML::Parser.new(input, options).parse
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end
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##
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# Parses the given invalid XML and returns the error message.
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#
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# @param [String] xml
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# @return [String]
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#
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def parse_error(xml)
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parse(xml)
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rescue LL::ParserError => error
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return error.message
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end
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end # ParsingHelpers
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end # Oga
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