diff options
Diffstat (limited to 'vendor/plugins/coderay-0.9.0/lib/coderay/scanners/sql.rb')
| -rw-r--r-- | vendor/plugins/coderay-0.9.0/lib/coderay/scanners/sql.rb | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/vendor/plugins/coderay-0.9.0/lib/coderay/scanners/sql.rb b/vendor/plugins/coderay-0.9.0/lib/coderay/scanners/sql.rb deleted file mode 100644 index 2b21c79d0..000000000 --- a/vendor/plugins/coderay-0.9.0/lib/coderay/scanners/sql.rb +++ /dev/null @@ -1,162 +0,0 @@ -module CodeRay module Scanners - - # by Josh Goebel - class SQL < Scanner - - register_for :sql - - RESERVED_WORDS = %w( - create database table index trigger drop primary key set select - insert update delete replace into - on from values before and or if exists case when - then else as group order by avg where - join inner outer union engine not - like end using collate show columns begin - ) - - PREDEFINED_TYPES = %w( - char varchar 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 abs pi count min max avg ) - - DIRECTIVES = %w( auto_increment unique default charset ) - - PREDEFINED_CONSTANTS = %w( null true false ) - - IDENT_KIND = CaseIgnoringWordList.new(:ident). - add(RESERVED_WORDS, :reserved). - add(PREDEFINED_TYPES, :pre_type). - add(PREDEFINED_CONSTANTS, :pre_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 tokens, options - - state = :initial - string_type = nil - string_content = '' - - until eos? - - kind = nil - match = nil - - if state == :initial - - if scan(/ \s+ | \\\n /x) - kind = :space - - elsif scan(/^(?:--\s?|#).*/) - kind = :comment - - elsif scan(%r! /\* (?: .*? \*/ | .* ) !mx) - kind = :comment - - elsif scan(/ [-+*\/=<>;,!&^|()\[\]{}~%] | \.(?!\d) /x) - kind = :operator - - elsif scan(/(#{STRING_PREFIXES})?([`"'])/o) - prefix = self[1] - string_type = self[2] - tokens << [:open, :string] - tokens << [prefix, :modifier] if prefix - match = string_type - state = :string - kind = :delimiter - - elsif match = scan(/ @? [A-Za-z_][A-Za-z_0-9]* /x) - kind = match[0] == ?@ ? :variable : IDENT_KIND[match.downcase] - - elsif scan(/0[xX][0-9A-Fa-f]+/) - kind = :hex - - elsif scan(/0[0-7]+(?![89.eEfF])/) - kind = :oct - - elsif scan(/(?>\d+)(?![.eEfF])/) - kind = :integer - - elsif scan(/\d[fF]|\d*\.\d+(?:[eE][+-]?\d+)?|\d+[eE][+-]?\d+/) - kind = :float - - else - getch - kind = :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? - tokens << [string_content, :content] - string_content = '' - end - tokens << [matched, :delimiter] - tokens << [:close, :string] - state = :initial - string_type = nil - next - else - string_content << match - end - next - elsif scan(/ \\ (?: #{ESCAPE} | #{UNICODE_ESCAPE} ) /mox) - unless string_content.empty? - tokens << [string_content, :content] - string_content = '' - end - kind = :char - elsif match = scan(/ \\ . /mox) - string_content << match - next - elsif scan(/ \\ | $ /x) - unless string_content.empty? - tokens << [string_content, :content] - string_content = '' - end - kind = :error - state = :initial - else - raise "else case \" reached; %p not handled." % peek(1), tokens - end - - else - raise 'else-case reached', tokens - - end - - match ||= matched - unless kind - raise_inspect 'Error token %p in line %d' % - [[match, kind], line], tokens, state - end - raise_inspect 'Empty token', tokens unless match - - tokens << [match, kind] - - end - tokens - - end - - end - -end end
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