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Load lexer by mimetype
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parent
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4
TODO.md
4
TODO.md
@ -8,8 +8,8 @@
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* ✅ Implement lexer loader that respects aliases
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* ✅ Implement lexer loader by file extension
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* ✅ Add --line-numbers to terminal formatter
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* Implement lexer loader by mime type
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* ✅ Implement lexer loader by mime type
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* ✅ Implement Delegating lexers
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* ✅ Add RstLexer
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* Add Mako template lexer
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* Implement heuristic lexer detection
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* ✅ Implement heuristic lexer detection
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10
src/lexer.cr
10
src/lexer.cr
@ -9,13 +9,21 @@ module Tartrazine
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# Get the lexer object for a language name
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# FIXME: support mimetypes
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def self.lexer(name : String? = nil, filename : String? = nil) : BaseLexer
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def self.lexer(name : String? = nil, filename : String? = nil, mimetype : String? = nil) : BaseLexer
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return lexer_by_name(name) if name && name != "autodetect"
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return lexer_by_filename(filename) if filename
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return lexer_by_mimetype(mimetype) if mimetype
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Lexer.from_xml(LexerFiles.get("/#{LEXERS_BY_NAME["plaintext"]}.xml").gets_to_end)
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end
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private def self.lexer_by_mimetype(mimetype : String) : BaseLexer
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lexer_file_name = LEXERS_BY_MIMETYPE.fetch(mimetype, nil)
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raise Exception.new("Unknown mimetype: #{mimetype}") if lexer_file_name.nil?
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Lexer.from_xml(LexerFiles.get("/#{lexer_file_name}.xml").gets_to_end)
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end
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private def self.lexer_by_name(name : String) : BaseLexer
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lexer_file_name = LEXERS_BY_NAME.fetch(name.downcase, nil)
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return create_delegating_lexer(name) if lexer_file_name.nil? && name.includes? "+"
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