diff options
Diffstat (limited to 'vendor/gems/coderay-1.0.0/lib/coderay/scanners/sql.rb')
| -rw-r--r-- | vendor/gems/coderay-1.0.0/lib/coderay/scanners/sql.rb | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/vendor/gems/coderay-1.0.0/lib/coderay/scanners/sql.rb b/vendor/gems/coderay-1.0.0/lib/coderay/scanners/sql.rb deleted file mode 100644 index bcbffd5ac..000000000 --- a/vendor/gems/coderay-1.0.0/lib/coderay/scanners/sql.rb +++ /dev/null @@ -1,174 +0,0 @@ -module CodeRay module Scanners - - # by Josh Goebel - class SQL < Scanner - - register_for :sql - - KEYWORDS = %w( - all and any as before begin between by case check collate - each else end exists - for foreign from full group having if in inner is join - like not of on or order outer over references - then to union using values when where - left right distinct - ) - - OBJECTS = %w( - database databases table tables column columns fields index constraint - constraints transaction function procedure row key view trigger - ) - - COMMANDS = %w( - add alter comment create delete drop grant insert into select update set - show prompt begin commit rollback replace truncate - ) - - PREDEFINED_TYPES = %w( - char varchar varchar2 enum binary text tinytext mediumtext - longtext blob tinyblob mediumblob longblob timestamp - date time datetime year double decimal float int - integer tinyint mediumint bigint smallint unsigned bit - bool boolean hex bin oct - ) - - PREDEFINED_FUNCTIONS = %w( sum cast substring abs pi count min max avg now ) - - DIRECTIVES = %w( - auto_increment unique default charset initially deferred - deferrable cascade immediate read write asc desc after - primary foreign return engine - ) - - PREDEFINED_CONSTANTS = %w( null true false ) - - IDENT_KIND = WordList::CaseIgnoring.new(:ident). - add(KEYWORDS, :keyword). - add(OBJECTS, :type). - add(COMMANDS, :class). - add(PREDEFINED_TYPES, :predefined_type). - add(PREDEFINED_CONSTANTS, :predefined_constant). - add(PREDEFINED_FUNCTIONS, :predefined). - add(DIRECTIVES, :directive) - - ESCAPE = / [rbfntv\n\\\/'"] | x[a-fA-F0-9]{1,2} | [0-7]{1,3} | . /mx - UNICODE_ESCAPE = / u[a-fA-F0-9]{4} | U[a-fA-F0-9]{8} /x - - STRING_PREFIXES = /[xnb]|_\w+/i - - def scan_tokens encoder, options - - state = :initial - string_type = nil - string_content = '' - name_expected = false - - until eos? - - if state == :initial - - if match = scan(/ \s+ | \\\n /x) - encoder.text_token match, :space - - elsif match = scan(/(?:--\s?|#).*/) - encoder.text_token match, :comment - - elsif match = scan(%r( /\* (!)? (?: .*? \*/ | .* ) )mx) - encoder.text_token match, self[1] ? :directive : :comment - - elsif match = scan(/ [*\/=<>:;,!&^|()\[\]{}~%] | [-+\.](?!\d) /x) - name_expected = true if match == '.' && check(/[A-Za-z_]/) - encoder.text_token match, :operator - - elsif match = scan(/(#{STRING_PREFIXES})?([`"'])/o) - prefix = self[1] - string_type = self[2] - encoder.begin_group :string - encoder.text_token prefix, :modifier if prefix - match = string_type - state = :string - encoder.text_token match, :delimiter - - elsif match = scan(/ @? [A-Za-z_][A-Za-z_0-9]* /x) - encoder.text_token match, name_expected ? :ident : (match[0] == ?@ ? :variable : IDENT_KIND[match]) - name_expected = false - - elsif match = scan(/0[xX][0-9A-Fa-f]+/) - encoder.text_token match, :hex - - elsif match = scan(/0[0-7]+(?![89.eEfF])/) - encoder.text_token match, :octal - - elsif match = scan(/[-+]?(?>\d+)(?![.eEfF])/) - encoder.text_token match, :integer - - elsif match = scan(/[-+]?(?:\d[fF]|\d*\.\d+(?:[eE][+-]?\d+)?|\d+[eE][+-]?\d+)/) - encoder.text_token match, :float - - elsif match = scan(/\\N/) - encoder.text_token match, :predefined_constant - - else - encoder.text_token getch, :error - - end - - elsif state == :string - if match = scan(/[^\\"'`]+/) - string_content << match - next - elsif match = scan(/["'`]/) - if string_type == match - if peek(1) == string_type # doubling means escape - string_content << string_type << getch - next - end - unless string_content.empty? - encoder.text_token string_content, :content - string_content = '' - end - encoder.text_token match, :delimiter - encoder.end_group :string - state = :initial - string_type = nil - else - string_content << match - end - elsif match = scan(/ \\ (?: #{ESCAPE} | #{UNICODE_ESCAPE} ) /mox) - unless string_content.empty? - encoder.text_token string_content, :content - string_content = '' - end - encoder.text_token match, :char - elsif match = scan(/ \\ . /mox) - string_content << match - next - elsif match = scan(/ \\ | $ /x) - unless string_content.empty? - encoder.text_token string_content, :content - string_content = '' - end - encoder.text_token match, :error - state = :initial - else - raise "else case \" reached; %p not handled." % peek(1), encoder - end - - else - raise 'else-case reached', encoder - - end - - end - - if state == :string - encoder.end_group state - end - - encoder - - end - - end - -end end
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