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=begin
= strscan.so
== Υ饤֥ˤĤ
strscan ʸʥ饤֥Ǥñ˹®
ʤҤǤޤʲ˻ޤ
s = StringScanner.new('This is an example string')
s.eos? #=> false
p s.scan(/\w+/) #=> "This"
p s.scan(/\w+/) #=> nil
p s.scan(/\s+/) #=> " "
p s.scan(/\s+/) #=> nil
p s.scan(/\w+/) #=> "is"
s.eos? #=> false
p s.scan(/\s+/) #=> " "
p s.scan(/\w+/) #=> "an"
p s.scan(/\s+/) #=> " "
p s.scan(/\w+/) #=> "example"
p s.scan(/\s+/) #=> " "
p s.scan(/\w+/) #=> "string"
s.eos? #=> true
p s.scan(/\s+/) #=> nil
p s.scan(/\w+/) #=> nil
Ǹ StringScanner ֥Ȥϥʸ
֥ݥפΥåȤǤݥȤϥ
äȤǥåΤȤǤǽ饹ݥ
ʸƬˤꡢǤΤߥޥåޤޥå
θ˥ݥʤޤ
## a string and a scan pointer ("_" = scan pointer)
s = StringScanner.new('This is an example string')
_This is an example string s.eos? = false
s.scan(/\w+/)
This_ is an example string s.eos? = false
s.scan(/\s+/)
This _is an example string s.eos? = false
s.scan(/\w+/)
This is_ an example string s.eos? = false
s.scan(/\s+/)
This is _an example string s.eos? = false
s.scan(/\w+/)
This is an_ example string s.eos? = false
s.scan(/\s+/)
This is an _example string s.eos? = false
s.scan(/\w+/)
This is an example_ string s.eos? = false
s.scan(/\s+/)
This is an example _string s.eos? = false
s.scan(/\w+/)
This is an example string_ s.eos? = true
== ٹ
StringScanner $~ $& $1 $2 ġ ʤɤɽϢѿ
åȤޤ StringScanner#[], matched? ʤɤ
ޥåǡϢåɤȤäƤ
== class StringScanner
=== Class Methods
: new( str: String, dup: bool = true ) -> StringScanner
StringScanner ֥Ȥޤstr ϥ
ݤʸǤdup true λʣǻȤޤޤ
ξǤ StringScanner ݻʸfreeze ޤ
=== Instance Methods
: scan( pattern: Regexp ) -> String
ݥ pattern ʸΥޥåޤ
ޥå顢ݥʤɽ˥ޥå
ʬʸ֤ޤޥåʤä nil ֤ޤ
s = StringScanner.new('test string')
p s.scan(/\w+/) #=> "test"
p s.scan(/\w+/) #=> nil
p s.scan(/\s+/) #=> " "
p s.scan(/\w+/) #=> "string"
p s.scan(/./) #=> nil
: skip( pattern: Regexp ) -> Integer
ݥ PATTERN ʸΥޥåޤ
ޥå饹ݥʤޥåʬʸ
Ĺ֤ޤޥåʤä nil ֤ޤ
s = StringScanner.new('test string')
p s.skip(/\w+/) #=> 4
p s.skip(/\w+/) #=> nil
p s.skip(/\s+/) #=> 1
p s.skip(/\w+/) #=> 6
p s.skip(/./) #=> nil
: match?( pattern: Regexp ) -> Integer
ݥ PATTERN ʸΥޥåޤ
ޥå顢ݥϿʤ᤺˥ޥå
ʬʸĹ֤ޤޥåʤä nil
֤ޤ
s = StringScanner.new('test string')
p s.match?(/\w+/) #=> 4
p s.match?(/\w+/) #=> 4
p s.match?(/\s+/) #=> nil
: getch -> String
ʸ֤ޤ
ݥθ˿ʤޤ
: get_byte -> String
Хȥʸ֤ޤ
ݥθ˿ʤޤ
: peek( len: Integer ) -> String
ݥĹ len Хʬʸ֤ޤ
: eos? -> bool
ݥʸؤƤȤ
: string -> String
оݤˤƤʸ켫ΤǤfreeze Ƥޤ
: matched? -> bool
ΥޥåƤ鿿
: pre_match -> String
ޥåԤäʸΤޥåȤ
ʬʸ֤ޤΥޥåԤƤȾ nil
֤ޤ
: post_match -> String
ޥåԤäʸΤޥåȤ
ʬʸ֤ޤΥޥåԤƤȾ nil
֤ޤ
: self[ n: Integer ] -> String
ޥåɽ n ܤΤäбʬʸ
ޤǥå 0 ϥޥåʬΤǤΥޥå
ԤƤȾ nil ֤ޤ
: matched -> String
ޥåʬʸ֤ޤ
: reset
ݥʸƬ (ǥå 0 ) ᤷ
ޥåϿΤƤޤ
: terminate
ݥʸޤǿʤᡢޥåϿΤƤޤ
: unscan
ݥΥޥåΰ֤ᤷޤ
ʬʾ᤻ޤΥޥåԤƤ
㳰 ScanError ȯޤ
=end
|
