Class: ElasticAPM::Sql::Tokenizer Private
- Inherits:
-
Object
- Object
- ElasticAPM::Sql::Tokenizer
- Includes:
- Tokens
- Defined in:
- lib/elastic_apm/sql/tokenizer.rb
This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.
Constant Summary collapse
- ALPHA =
This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.
/[[:alpha:]]/.freeze
- DIGIT =
This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.
/[[:digit:]]/.freeze
- SPACE =
This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.
/[[:space:]]+/.freeze
Constants included from Tokens
ElasticAPM::Sql::Tokens::AS, ElasticAPM::Sql::Tokens::CALL, ElasticAPM::Sql::Tokens::COMMA, ElasticAPM::Sql::Tokens::COMMENT, ElasticAPM::Sql::Tokens::DELETE, ElasticAPM::Sql::Tokens::FROM, ElasticAPM::Sql::Tokens::IDENT, ElasticAPM::Sql::Tokens::INSERT, ElasticAPM::Sql::Tokens::INTO, ElasticAPM::Sql::Tokens::KEYWORDS, ElasticAPM::Sql::Tokens::KEYWORD_MAX_LENGTH, ElasticAPM::Sql::Tokens::KEYWORD_MIN_LENGTH, ElasticAPM::Sql::Tokens::LPAREN, ElasticAPM::Sql::Tokens::NUMBER, ElasticAPM::Sql::Tokens::OR, ElasticAPM::Sql::Tokens::OTHER, ElasticAPM::Sql::Tokens::PERIOD, ElasticAPM::Sql::Tokens::REPLACE, ElasticAPM::Sql::Tokens::RPAREN, ElasticAPM::Sql::Tokens::SELECT, ElasticAPM::Sql::Tokens::SET, ElasticAPM::Sql::Tokens::STRING, ElasticAPM::Sql::Tokens::TABLE, ElasticAPM::Sql::Tokens::TRUNCATE, ElasticAPM::Sql::Tokens::UPDATE
Instance Attribute Summary collapse
- #input ⇒ Object readonly private
- #scanner ⇒ Object readonly private
- #token ⇒ Object readonly private
Instance Method Summary collapse
-
#initialize(input) ⇒ Tokenizer
constructor
private
A new instance of Tokenizer.
- #scan ⇒ Object private
- #text ⇒ Object private
Constructor Details
#initialize(input) ⇒ Tokenizer
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
Returns a new instance of Tokenizer.
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# File 'lib/elastic_apm/sql/tokenizer.rb', line 33 def initialize(input) @input = input @scanner = StringScanner.new(input) @byte_start = 0 end |
Instance Attribute Details
#input ⇒ Object (readonly)
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/elastic_apm/sql/tokenizer.rb', line 40 def input @input end |
#scanner ⇒ Object (readonly)
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/elastic_apm/sql/tokenizer.rb', line 40 def scanner @scanner end |
#token ⇒ Object (readonly)
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/elastic_apm/sql/tokenizer.rb', line 40 def token @token end |
Instance Method Details
#scan ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/elastic_apm/sql/tokenizer.rb', line 46 def scan scanner.skip(SPACE) @byte_start = scanner.pos char = next_char return false unless char @token = next_token(char) true end |
#text ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/elastic_apm/sql/tokenizer.rb', line 42 def text @input.byteslice(@byte_start, @byte_end - @byte_start) end |