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Contents
require 'sql/maker/error'
require 'sql/maker/quoting'
module SQL::Maker::Util
def self.included(klass)
klass.extend(self)
end
def croak(message)
raise SQL::Maker::Error.new(message)
end
def array_wrap(val)
val.is_a?(Array) ? val : [val]
end
# perl-like argument parser of my ($a, $b) = @_;
def parse_args(*args)
if args.size > 1
# method('a', 'b') #=> ['a', 'b']
return args
else
args = args.first
case args
when Hash
# method('a' => 'b') #=> ['a', 'b']
# method('a' => ['b', 'c']) #=> ['a', ['b', 'c']]
# method('a' => {'b' => 'c'}) #=> ['a', {'b' => 'c'}]
args.each.first
when Array
# method(['a', 'b']) #=> ['a', 'b']
return args
else
# method('a') #=> ['a', nil]
return [args, nil]
end
end
end
def quote_identifier(label, quote_char, name_sep)
return label if label == '*';
return label unless name_sep;
label.to_s.split(/#{Regexp.escape(name_sep)}/).map {|e| e == '*' ? e : "#{quote_char}#{e}#{quote_char}" }.join(name_sep)
end
module_function :quote_identifier
public :quote_identifier
def bind_param(sql, bind)
raise SQL::Maker::Error.new('bind arity mismatch') if sql.count('?') != bind.size
i = -1; sql.gsub('?') { SQL::Maker::Quoting.quote(bind[i+=1]) }
end
module_function :bind_param
public :bind_param
end
Version data entries
6 entries across 6 versions & 1 rubygems