Class: String
- Includes:
- Comparable
- Defined in:
- opal/opal/corelib/string.rb,
opal/opal/corelib/complex.rb,
opal/opal/corelib/rational.rb,
opal/opal/corelib/unsupported.rb,
opal/opal/corelib/string/unpack.rb,
opal/opal/corelib/string/encoding.rb,
opal/opal/corelib/marshal/write_buffer.rb
Instance Attribute Summary collapse
-
#encoding ⇒ Object
readonly
Returns the value of attribute encoding.
Class Method Summary collapse
Instance Method Summary collapse
- #%(data) ⇒ Object
- #*(count) ⇒ Object
- #+(other) ⇒ Object
- #<< ⇒ Object
- #<=>(other) ⇒ Object
- #==(other) ⇒ Object (also: #eql?, #===)
- #=~(other) ⇒ Object
- #[](index, length = undefined) ⇒ Object (also: #byteslice, #slice)
- #[]= ⇒ Object
- #__id__ ⇒ Object (also: #object_id)
- #__marshal__(buffer) ⇒ Object
- #ascii_only? ⇒ Boolean
- #b ⇒ Object
- #bytes ⇒ Object
- #bytesize ⇒ Object
- #capitalize ⇒ Object
- #capitalize! ⇒ Object
- #casecmp(other) ⇒ Object
- #casecmp?(other) ⇒ Boolean
- #center(width, padstr = ' ') ⇒ Object
- #chars(&block) ⇒ Object
- #chomp(separator = $/) ⇒ Object
- #chomp! ⇒ Object
- #chop ⇒ Object
- #chop! ⇒ Object
- #chr ⇒ Object
- #clear ⇒ Object
- #clone ⇒ Object
- #codepoints(&block) ⇒ Object
- #count(*sets) ⇒ Object
- #delete(*sets) ⇒ Object
- #delete_prefix(prefix) ⇒ Object
- #delete_suffix(suffix) ⇒ Object
- #downcase ⇒ Object
- #downcase! ⇒ Object
- #dup ⇒ Object
- #each_byte(&block) ⇒ Object
- #each_char(&block) ⇒ Object
- #each_codepoint(&block) ⇒ Object
- #each_line(separator = $/, &block) ⇒ Object
- #empty? ⇒ Boolean
- #encode(encoding) ⇒ Object
- #encode! ⇒ Object
- #end_with?(*suffixes) ⇒ Boolean
- #force_encoding(encoding) ⇒ Object
- #getbyte(idx) ⇒ Object
- #gsub(pattern, replacement = undefined, &block) ⇒ Object
- #gsub! ⇒ Object
- #hash ⇒ Object
- #hex ⇒ Object
- #include?(other) ⇒ Boolean
- #index(search, offset = undefined) ⇒ Object
-
#initialize(str = undefined) ⇒ String
constructor
A new instance of String.
- #inspect ⇒ Object
- #instance_variables ⇒ Object
- #intern ⇒ Object (also: #to_sym)
- #length ⇒ Object (also: #size)
- #lines(separator = $/, &block) ⇒ Object
- #ljust(width, padstr = ' ') ⇒ Object
- #lstrip ⇒ Object
- #lstrip! ⇒ Object
- #match(pattern, pos = undefined, &block) ⇒ Object
- #match?(pattern, pos = undefined) ⇒ Boolean
- #next ⇒ Object (also: #succ)
- #next! ⇒ Object
- #oct ⇒ Object
- #ord ⇒ Object
- #partition(sep) ⇒ Object
- #prepend ⇒ Object
- #reverse ⇒ Object
- #reverse! ⇒ Object
- #rindex(search, offset = undefined) ⇒ Object
- #rjust(width, padstr = ' ') ⇒ Object
- #rpartition(sep) ⇒ Object
- #rstrip ⇒ Object
- #scan(pattern, &block) ⇒ Object
- #slice! ⇒ Object
- #split(pattern = undefined, limit = undefined) ⇒ Object
- #squeeze(*sets) ⇒ Object
- #squeeze! ⇒ Object
- #start_with?(*prefixes) ⇒ Boolean
- #strip ⇒ Object
- #strip! ⇒ Object
- #sub(pattern, replacement = undefined, &block) ⇒ Object
- #sub! ⇒ Object
- #succ! ⇒ Object
- #sum(n = 16) ⇒ Object
- #swapcase ⇒ Object
- #swapcase! ⇒ Object
- #to_c ⇒ Object
- #to_f ⇒ Object
- #to_i(base = 10) ⇒ Object
- #to_proc ⇒ Object
- #to_r ⇒ Object
- #to_s ⇒ Object (also: #to_str)
- #tr(from, to) ⇒ Object
- #tr! ⇒ Object
- #tr_s(from, to) ⇒ Object
- #tr_s! ⇒ Object
- #unicode_normalize(form = undefined) ⇒ Object
- #unicode_normalize! ⇒ Object
- #unicode_normalized?(form = undefined) ⇒ Boolean
- #unpack(format) ⇒ Object
- #unpack1(format) ⇒ Object
- #upcase ⇒ Object
- #upcase! ⇒ Object
- #upto(stop, excl = false, &block) ⇒ Object
-
#valid_encoding? ⇒ Boolean
stub.
Methods included from Comparable
#<, #<=, #>, #>=, #between?, #clamp
Constructor Details
#initialize(str = undefined) ⇒ String
Returns a new instance of String
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# File 'opal/opal/corelib/string.rb', line 35 def initialize(str = undefined) %x{ if (str === undefined) { return self; } } raise NotImplementedError, 'Mutable strings are not supported in Opal.' end |
Instance Attribute Details
#encoding ⇒ Object (readonly)
Returns the value of attribute encoding
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# File 'opal/opal/corelib/string/encoding.rb', line 165 def encoding @encoding end |
Class Method Details
._load(*args) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1819 def self._load(*args) new(*args) end |
.new(str = '') ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 30 def self.new(str = '') str = Opal.coerce_to(str, String, :to_str) `new self.$$constructor(str)` end |
.try_convert(what) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 26 def self.try_convert(what) Opal.coerce_to?(what, String, :to_str) end |
Instance Method Details
#%(data) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 44 def %(data) if Array === data format(self, *data) else format(self, data) end end |
#*(count) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 52 def *(count) %x{ count = #{Opal.coerce_to(`count`, Integer, :to_int)}; if (count < 0) { #{raise ArgumentError, 'negative argument'} } if (count === 0) { return self.$$cast(''); } var result = '', string = self.toString(); // All credit for the bit-twiddling magic code below goes to Mozilla // polyfill implementation of String.prototype.repeat() posted here: // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat if (string.length * count >= 1 << 28) { #{raise RangeError, 'multiply count must not overflow maximum string size'} } for (;;) { if ((count & 1) === 1) { result += string; } count >>>= 1; if (count === 0) { break; } string += string; } return self.$$cast(result); } end |
#+(other) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 90 def +(other) other = Opal.coerce_to other, String, :to_str `self + #{other.to_s}` end |
#<< ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 30 def <<(*) raise NotImplementedError, `ERROR` % '<<' end |
#<=>(other) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 96 def <=>(other) if other.respond_to? :to_str other = other.to_str.to_s `self > other ? 1 : (self < other ? -1 : 0)` else %x{ var cmp = #{other <=> self}; if (cmp === nil) { return nil; } else { return cmp > 0 ? -1 : (cmp < 0 ? 1 : 0); } } end end |
#==(other) ⇒ Object Also known as: eql?, ===
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# File 'opal/opal/corelib/string.rb', line 115 def ==(other) %x{ if (other.$$is_string) { return self.toString() === other.toString(); } if (#{Opal.respond_to? `other`, :to_str}) { return #{other == self}; } return false; } end |
#=~(other) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 130 def =~(other) %x{ if (other.$$is_string) { #{raise TypeError, 'type mismatch: String given'}; } return #{other =~ self}; } end |
#[](index, length = undefined) ⇒ Object Also known as: byteslice, slice
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# File 'opal/opal/corelib/string.rb', line 140 def [](index, length = undefined) %x{ var size = self.length, exclude; if (index.$$is_range) { exclude = index.excl; length = #{Opal.coerce_to(`index.end`, Integer, :to_int)}; index = #{Opal.coerce_to(`index.begin`, Integer, :to_int)}; if (Math.abs(index) > size) { return nil; } if (index < 0) { index += size; } if (length < 0) { length += size; } if (!exclude) { length += 1; } length = length - index; if (length < 0) { length = 0; } return self.$$cast(self.substr(index, length)); } if (index.$$is_string) { if (length != null) { #{raise TypeError} } return self.indexOf(index) !== -1 ? self.$$cast(index) : nil; } if (index.$$is_regexp) { var match = self.match(index); if (match === null) { #{$~ = nil} return nil; } #{$~ = MatchData.new(`index`, `match`)} if (length == null) { return self.$$cast(match[0]); } length = #{Opal.coerce_to(`length`, Integer, :to_int)}; if (length < 0 && -length < match.length) { return self.$$cast(match[length += match.length]); } if (length >= 0 && length < match.length) { return self.$$cast(match[length]); } return nil; } index = #{Opal.coerce_to(`index`, Integer, :to_int)}; if (index < 0) { index += size; } if (length == null) { if (index >= size || index < 0) { return nil; } return self.$$cast(self.substr(index, 1)); } length = #{Opal.coerce_to(`length`, Integer, :to_int)}; if (length < 0) { return nil; } if (index > size || index < 0) { return nil; } return self.$$cast(self.substr(index, length)); } end |
#[]= ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 106 def []=(*) raise NotImplementedError, `ERROR` % '[]=' end |
#__id__ ⇒ Object Also known as: object_id
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# File 'opal/opal/corelib/string.rb', line 20 def __id__ `self.toString()` end |
#__marshal__(buffer) ⇒ Object
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# File 'opal/opal/corelib/marshal/write_buffer.rb', line 38 def __marshal__(buffer) buffer.save_link(self) buffer.write_ivars_prefix(self) buffer.write_extends(self) buffer.write_user_class(String, self) buffer.append('"') buffer.write_string(self) end |
#ascii_only? ⇒ Boolean
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# File 'opal/opal/corelib/string.rb', line 693 def ascii_only? # non-ASCII-compatible encoding must return false # NOTE: Encoding::UTF_16LE is also non-ASCII-compatible encoding, # but since the default encoding in JavaScript is UTF_16LE, # we cannot return false otherwise the following will (incorrectly) return false: "hello".ascii_only? # In other words, we cannot tell the difference between: # - "hello".force_encoding("UTF-16LE") # - "hello" # The problem is that "ascii_only" should return false in the first case and true in the second case. if encoding == Encoding::UTF_16BE return false end `/^[\x00-\x7F]*$/.test(self)` end |
#b ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 240 def b force_encoding('binary') end |
#bytes ⇒ Object
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# File 'opal/opal/corelib/string/encoding.rb', line 168 def bytes each_byte.to_a end |
#bytesize ⇒ Object
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# File 'opal/opal/corelib/string/encoding.rb', line 172 def bytesize @encoding.bytesize(self) end |
#capitalize ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 244 def capitalize `self.$$cast(self.charAt(0).toUpperCase() + self.substr(1).toLowerCase())` end |
#capitalize! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 34 def capitalize!(*) raise NotImplementedError, `ERROR` % 'capitalize!' end |
#casecmp(other) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 248 def casecmp(other) return nil unless other.respond_to?(:to_str) other = Opal.coerce_to(other, String, :to_str).to_s %x{ var ascii_only = /^[\x00-\x7F]*$/; if (ascii_only.test(self) && ascii_only.test(other)) { self = self.toLowerCase(); other = other.toLowerCase(); } } self <=> other end |
#casecmp?(other) ⇒ Boolean
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# File 'opal/opal/corelib/string.rb', line 261 def casecmp?(other) %x{ var cmp = #{casecmp(other)}; if (cmp === nil) { return nil; } else { return cmp === 0; } } end |
#center(width, padstr = ' ') ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 272 def center(width, padstr = ' ') width = Opal.coerce_to(width, Integer, :to_int) padstr = Opal.coerce_to(padstr, String, :to_str).to_s if padstr.empty? raise ArgumentError, 'zero width padding' end return self if `width <= self.length` %x{ var ljustified = #{ljust ((width + `self.length`) / 2).ceil, padstr}, rjustified = #{rjust ((width + `self.length`) / 2).floor, padstr}; return self.$$cast(rjustified + ljustified.slice(self.length)); } end |
#chars(&block) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 290 def chars(&block) return each_char.to_a unless block each_char(&block) end |
#chomp(separator = $/) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 296 def chomp(separator = $/) return self if `separator === nil || self.length === 0` separator = Opal.coerce_to!(separator, String, :to_str).to_s %x{ var result; if (separator === "\n") { result = self.replace(/\r?\n?$/, ''); } else if (separator === "") { result = self.replace(/(\r?\n)+$/, ''); } else if (self.length >= separator.length) { var tail = self.substr(self.length - separator.length, separator.length); if (tail === separator) { result = self.substr(0, self.length - separator.length); } } if (result != null) { return self.$$cast(result); } } self end |
#chomp! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 38 def chomp!(*) raise NotImplementedError, `ERROR` % 'chomp!' end |
#chop ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 326 def chop %x{ var length = self.length, result; if (length <= 1) { result = ""; } else if (self.charAt(length - 1) === "\n" && self.charAt(length - 2) === "\r") { result = self.substr(0, length - 2); } else { result = self.substr(0, length - 1); } return self.$$cast(result); } end |
#chop! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 42 def chop!(*) raise NotImplementedError, `ERROR` % 'chop!' end |
#chr ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 342 def chr `self.charAt(0)` end |
#clear ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 110 def clear(*) raise NotImplementedError, `ERROR` % 'clear' end |
#clone ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 346 def clone copy = `self.slice()` copy.copy_singleton_methods(self) copy.initialize_clone(self) copy end |
#codepoints(&block) ⇒ Object
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# File 'opal/opal/corelib/string/encoding.rb', line 194 def codepoints(&block) # If a block is given, which is a deprecated form, works the same as each_codepoint. return each_codepoint(&block) if block_given? each_codepoint.to_a end |
#count(*sets) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 359 def count(*sets) %x{ if (sets.length === 0) { #{raise ArgumentError, 'ArgumentError: wrong number of arguments (0 for 1+)'} } var char_class = char_class_from_char_sets(sets); if (char_class === null) { return 0; } return self.length - self.replace(new RegExp(char_class, 'g'), '').length; } end |
#delete(*sets) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 372 def delete(*sets) %x{ if (sets.length === 0) { #{raise ArgumentError, 'ArgumentError: wrong number of arguments (0 for 1+)'} } var char_class = char_class_from_char_sets(sets); if (char_class === null) { return self; } return self.$$cast(self.replace(new RegExp(char_class, 'g'), '')); } end |
#delete_prefix(prefix) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 385 def delete_prefix(prefix) %x{ if (!prefix.$$is_string) { #{prefix = Opal.coerce_to(prefix, String, :to_str)} } if (self.slice(0, prefix.length) === prefix) { return self.$$cast(self.slice(prefix.length)); } else { return self; } } end |
#delete_suffix(suffix) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 399 def delete_suffix(suffix) %x{ if (!suffix.$$is_string) { #{suffix = Opal.coerce_to(suffix, String, :to_str)} } if (self.slice(self.length - suffix.length) === suffix) { return self.$$cast(self.slice(0, self.length - suffix.length)); } else { return self; } } end |
#downcase ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 413 def downcase `self.$$cast(self.toLowerCase())` end |
#downcase! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 46 def downcase!(*) raise NotImplementedError, `ERROR` % 'downcase!' end |
#dup ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 353 def dup copy = `self.slice()` copy.initialize_dup(self) copy end |
#each_byte(&block) ⇒ Object
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# File 'opal/opal/corelib/string/encoding.rb', line 176 def each_byte(&block) return enum_for :each_byte unless block_given? @encoding.each_byte(self, &block) self end |
#each_char(&block) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 417 def each_char(&block) return enum_for(:each_char) { size } unless block_given? %x{ for (var i = 0, length = self.length; i < length; i++) { Opal.yield1(block, self.charAt(i)); } } self end |
#each_codepoint(&block) ⇒ Object
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# File 'opal/opal/corelib/string/encoding.rb', line 184 def each_codepoint(&block) return enum_for :each_codepoint unless block_given? %x{ for (var i = 0, length = self.length; i < length; i++) { #{yield `self.codePointAt(i)`}; } } self end |
#each_line(separator = $/, &block) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 429 def each_line(separator = $/, &block) return enum_for :each_line, separator unless block_given? %x{ if (separator === nil) { Opal.yield1(block, self); return self; } separator = #{Opal.coerce_to(`separator`, String, :to_str)} var a, i, n, length, chomped, trailing, splitted; if (separator.length === 0) { for (a = self.split(/(\n{2,})/), i = 0, n = a.length; i < n; i += 2) { if (a[i] || a[i + 1]) { var value = (a[i] || "") + (a[i + 1] || ""); Opal.yield1(block, self.$$cast(value)); } } return self; } chomped = #{chomp(separator)}; trailing = self.length != chomped.length; splitted = chomped.split(separator); for (i = 0, length = splitted.length; i < length; i++) { if (i < length - 1 || trailing) { Opal.yield1(block, self.$$cast(splitted[i] + separator)); } else { Opal.yield1(block, self.$$cast(splitted[i])); } } } self end |
#empty? ⇒ Boolean
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# File 'opal/opal/corelib/string.rb', line 471 def empty? `self.length === 0` end |
#encode(encoding) ⇒ Object
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# File 'opal/opal/corelib/string/encoding.rb', line 200 def encode(encoding) dup.force_encoding(encoding) end |
#encode! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 114 def encode!(*) raise NotImplementedError, `ERROR` % 'encode!' end |
#end_with?(*suffixes) ⇒ Boolean
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# File 'opal/opal/corelib/string.rb', line 475 def end_with?(*suffixes) %x{ for (var i = 0, length = suffixes.length; i < length; i++) { var suffix = #{Opal.coerce_to(`suffixes[i]`, String, :to_str).to_s}; if (self.length >= suffix.length && self.substr(self.length - suffix.length, suffix.length) == suffix) { return true; } } } false end |
#force_encoding(encoding) ⇒ Object
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# File 'opal/opal/corelib/string/encoding.rb', line 204 def force_encoding(encoding) %x{ if (encoding === self.encoding) { return self; } encoding = #{Opal.coerce_to!(encoding, String, :to_s)}; encoding = #{Encoding.find(encoding)}; if (encoding === self.encoding) { return self; } self.encoding = encoding; return self; } end |
#getbyte(idx) ⇒ Object
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# File 'opal/opal/corelib/string/encoding.rb', line 218 def getbyte(idx) @encoding.getbyte(self, idx) end |
#gsub(pattern, replacement = undefined, &block) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 492 def gsub(pattern, replacement = undefined, &block) %x{ if (replacement === undefined && block === nil) { return #{enum_for :gsub, pattern}; } var result = '', match_data = nil, index = 0, match, _replacement; if (pattern.$$is_regexp) { pattern = Opal.global_multiline_regexp(pattern); } else { pattern = #{Opal.coerce_to(`pattern`, String, :to_str)}; pattern = new RegExp(pattern.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), 'gm'); } var lastIndex; while (true) { match = pattern.exec(self); if (match === null) { #{$~ = nil} result += self.slice(index); break; } match_data = #{MatchData.new `pattern`, `match`}; if (replacement === undefined) { lastIndex = pattern.lastIndex; _replacement = block(match[0]); pattern.lastIndex = lastIndex; // save and restore lastIndex } else if (replacement.$$is_hash) { _replacement = #{`replacement`[`match[0]`].to_s}; } else { if (!replacement.$$is_string) { replacement = #{Opal.coerce_to(`replacement`, String, :to_str)}; } _replacement = replacement.replace(/([\\]+)([0-9+&`'])/g, function (original, slashes, command) { if (slashes.length % 2 === 0) { return original; } switch (command) { case "+": for (var i = match.length - 1; i > 0; i--) { if (match[i] !== undefined) { return slashes.slice(1) + match[i]; } } return ''; case "&": return slashes.slice(1) + match[0]; case "`": return slashes.slice(1) + self.slice(0, match.index); case "'": return slashes.slice(1) + self.slice(match.index + match[0].length); default: return slashes.slice(1) + (match[command] || ''); } }).replace(/\\\\/g, '\\'); } if (pattern.lastIndex === match.index) { result += (_replacement + self.slice(index, match.index + 1)) pattern.lastIndex += 1; } else { result += (self.slice(index, match.index) + _replacement) } index = pattern.lastIndex; } #{$~ = `match_data`} return self.$$cast(result); } end |
#gsub! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 50 def gsub!(*) raise NotImplementedError, `ERROR` % 'gsub!' end |
#hash ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 566 def hash `self.toString()` end |
#hex ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 570 def hex to_i 16 end |
#include?(other) ⇒ Boolean
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# File 'opal/opal/corelib/string.rb', line 574 def include?(other) %x{ if (!other.$$is_string) { #{other = Opal.coerce_to(other, String, :to_str)} } return self.indexOf(other) !== -1; } end |
#index(search, offset = undefined) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 583 def index(search, offset = undefined) %x{ var index, match, regex; if (offset === undefined) { offset = 0; } else { offset = #{Opal.coerce_to(`offset`, Integer, :to_int)}; if (offset < 0) { offset += self.length; if (offset < 0) { return nil; } } } if (search.$$is_regexp) { regex = Opal.global_multiline_regexp(search); while (true) { match = regex.exec(self); if (match === null) { #{$~ = nil}; index = -1; break; } if (match.index >= offset) { #{$~ = MatchData.new(`regex`, `match`)} index = match.index; break; } regex.lastIndex = match.index + 1; } } else { search = #{Opal.coerce_to(`search`, String, :to_str)}; if (search.length === 0 && offset > self.length) { index = -1; } else { index = self.indexOf(search, offset); } } return index === -1 ? nil : index; } end |
#inspect ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 630 def inspect %x{ var escapable = /[\\\"\x00-\x1f\u007F-\u009F\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, meta = { '\u0007': '\\a', '\u001b': '\\e', '\b': '\\b', '\t': '\\t', '\n': '\\n', '\f': '\\f', '\r': '\\r', '\v': '\\v', '"' : '\\"', '\\': '\\\\' }, escaped = self.replace(escapable, function (chr) { return meta[chr] || '\\u' + ('0000' + chr.charCodeAt(0).toString(16).toUpperCase()).slice(-4); }); return '"' + escaped.replace(/\#[\$\@\{]/g, '\\$&') + '"'; } end |
#instance_variables ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1815 def instance_variables [] end |
#intern ⇒ Object Also known as: to_sym
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# File 'opal/opal/corelib/string.rb', line 652 def intern `self.toString()` end |
#length ⇒ Object Also known as: size
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# File 'opal/opal/corelib/string.rb', line 661 def length `self.length` end |
#lines(separator = $/, &block) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 656 def lines(separator = $/, &block) e = each_line(separator, &block) block ? self : e.to_a end |
#ljust(width, padstr = ' ') ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 665 def ljust(width, padstr = ' ') width = Opal.coerce_to(width, Integer, :to_int) padstr = Opal.coerce_to(padstr, String, :to_str).to_s if padstr.empty? raise ArgumentError, 'zero width padding' end return self if `width <= self.length` %x{ var index = -1, result = ""; width -= self.length; while (++index < width) { result += padstr; } return self.$$cast(self + result.slice(0, width)); } end |
#lstrip ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 689 def lstrip `self.replace(/^\s*/, '')` end |
#lstrip! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 54 def lstrip!(*) raise NotImplementedError, `ERROR` % 'lstrip!' end |
#match(pattern, pos = undefined, &block) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 708 def match(pattern, pos = undefined, &block) if String === pattern || pattern.respond_to?(:to_str) pattern = Regexp.new(pattern.to_str) end unless Regexp === pattern raise TypeError, "wrong argument type #{pattern.class} (expected Regexp)" end pattern.match(self, pos, &block) end |
#match?(pattern, pos = undefined) ⇒ Boolean
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# File 'opal/opal/corelib/string.rb', line 720 def match?(pattern, pos = undefined) if String === pattern || pattern.respond_to?(:to_str) pattern = Regexp.new(pattern.to_str) end unless Regexp === pattern raise TypeError, "wrong argument type #{pattern.class} (expected Regexp)" end pattern.match?(self, pos) end |
#next ⇒ Object Also known as: succ
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# File 'opal/opal/corelib/string.rb', line 732 def next %x{ var i = self.length; if (i === 0) { return self.$$cast(''); } var result = self; var first_alphanum_char_index = self.search(/[a-zA-Z0-9]/); var carry = false; var code; while (i--) { code = self.charCodeAt(i); if ((code >= 48 && code <= 57) || (code >= 65 && code <= 90) || (code >= 97 && code <= 122)) { switch (code) { case 57: carry = true; code = 48; break; case 90: carry = true; code = 65; break; case 122: carry = true; code = 97; break; default: carry = false; code += 1; } } else { if (first_alphanum_char_index === -1) { if (code === 255) { carry = true; code = 0; } else { carry = false; code += 1; } } else { carry = true; } } result = result.slice(0, i) + String.fromCharCode(code) + result.slice(i + 1); if (carry && (i === 0 || i === first_alphanum_char_index)) { switch (code) { case 65: break; case 97: break; default: code += 1; } if (i === 0) { result = String.fromCharCode(code) + result; } else { result = result.slice(0, i) + String.fromCharCode(code) + result.slice(i); } carry = false; } if (!carry) { break; } } return self.$$cast(result); } end |
#next! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 58 def next!(*) raise NotImplementedError, `ERROR` % 'next!' end |
#oct ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 802 def oct %x{ var result, string = self, radix = 8; if (/^\s*_/.test(string)) { return 0; } string = string.replace(/^(\s*[+-]?)(0[bodx]?)(.+)$/i, function (original, head, flag, tail) { switch (tail.charAt(0)) { case '+': case '-': return original; case '0': if (tail.charAt(1) === 'x' && flag === '0x') { return original; } } switch (flag) { case '0b': radix = 2; break; case '0': case '0o': radix = 8; break; case '0d': radix = 10; break; case '0x': radix = 16; break; } return head + tail; }); result = parseInt(string.replace(/_(?!_)/g, ''), radix); return isNaN(result) ? 0 : result; } end |
#ord ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 845 def ord `self.charCodeAt(0)` end |
#partition(sep) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 849 def partition(sep) %x{ var i, m; if (sep.$$is_regexp) { m = sep.exec(self); if (m === null) { i = -1; } else { #{MatchData.new `sep`, `m`}; sep = m[0]; i = m.index; } } else { sep = #{Opal.coerce_to(`sep`, String, :to_str)}; i = self.indexOf(sep); } if (i === -1) { return [self, '', '']; } return [ self.slice(0, i), self.slice(i, i + sep.length), self.slice(i + sep.length) ]; } end |
#prepend ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 102 def prepend(*) raise NotImplementedError, `ERROR` % 'prepend' end |
#reverse ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 879 def reverse `self.split('').reverse().join('')` end |
#reverse! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 62 def reverse!(*) raise NotImplementedError, `ERROR` % 'reverse!' end |
#rindex(search, offset = undefined) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 883 def rindex(search, offset = undefined) %x{ var i, m, r, _m; if (offset === undefined) { offset = self.length; } else { offset = #{Opal.coerce_to(`offset`, Integer, :to_int)}; if (offset < 0) { offset += self.length; if (offset < 0) { return nil; } } } if (search.$$is_regexp) { m = null; r = Opal.global_multiline_regexp(search); while (true) { _m = r.exec(self); if (_m === null || _m.index > offset) { break; } m = _m; r.lastIndex = m.index + 1; } if (m === null) { #{$~ = nil} i = -1; } else { #{MatchData.new `r`, `m`}; i = m.index; } } else { search = #{Opal.coerce_to(`search`, String, :to_str)}; i = self.lastIndexOf(search, offset); } return i === -1 ? nil : i; } end |
#rjust(width, padstr = ' ') ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 926 def rjust(width, padstr = ' ') width = Opal.coerce_to(width, Integer, :to_int) padstr = Opal.coerce_to(padstr, String, :to_str).to_s if padstr.empty? raise ArgumentError, 'zero width padding' end return self if `width <= self.length` %x{ var chars = Math.floor(width - self.length), patterns = Math.floor(chars / padstr.length), result = Array(patterns + 1).join(padstr), remaining = chars - result.length; return self.$$cast(result + padstr.slice(0, remaining) + self); } end |
#rpartition(sep) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 946 def rpartition(sep) %x{ var i, m, r, _m; if (sep.$$is_regexp) { m = null; r = Opal.global_multiline_regexp(sep); while (true) { _m = r.exec(self); if (_m === null) { break; } m = _m; r.lastIndex = m.index + 1; } if (m === null) { i = -1; } else { #{MatchData.new `r`, `m`}; sep = m[0]; i = m.index; } } else { sep = #{Opal.coerce_to(`sep`, String, :to_str)}; i = self.lastIndexOf(sep); } if (i === -1) { return ['', '', self]; } return [ self.slice(0, i), self.slice(i, i + sep.length), self.slice(i + sep.length) ]; } end |
#rstrip ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 988 def rstrip `self.replace(/[\s\u0000]*$/, '')` end |
#scan(pattern, &block) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 992 def scan(pattern, &block) %x{ var result = [], match_data = nil, match; if (pattern.$$is_regexp) { pattern = Opal.global_multiline_regexp(pattern); } else { pattern = #{Opal.coerce_to(`pattern`, String, :to_str)}; pattern = new RegExp(pattern.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), 'gm'); } while ((match = pattern.exec(self)) != null) { match_data = #{MatchData.new `pattern`, `match`}; if (block === nil) { match.length == 1 ? result.push(match[0]) : result.push(#{`match_data`.captures}); } else { match.length == 1 ? block(match[0]) : block.call(self, #{`match_data`.captures}); } if (pattern.lastIndex === match.index) { pattern.lastIndex += 1; } } #{$~ = `match_data`} return (block !== nil ? self : result); } end |
#slice! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 66 def slice!(*) raise NotImplementedError, `ERROR` % 'slice!' end |
#split(pattern = undefined, limit = undefined) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1027 def split(pattern = undefined, limit = undefined) %x{ if (self.length === 0) { return []; } if (limit === undefined) { limit = 0; } else { limit = #{Opal.coerce_to!(limit, Integer, :to_int)}; if (limit === 1) { return [self]; } } if (pattern === undefined || pattern === nil) { pattern = #{$; || ' '}; } var result = [], string = self.toString(), index = 0, match, i, ii; if (pattern.$$is_regexp) { pattern = Opal.global_multiline_regexp(pattern); } else { pattern = #{Opal.coerce_to(pattern, String, :to_str).to_s}; if (pattern === ' ') { pattern = /\s+/gm; string = string.replace(/^\s+/, ''); } else { pattern = new RegExp(pattern.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), 'gm'); } } result = string.split(pattern); if (result.length === 1 && result[0] === string) { return [self.$$cast(result[0])]; } while ((i = result.indexOf(undefined)) !== -1) { result.splice(i, 1); } function castResult() { for (i = 0; i < result.length; i++) { result[i] = self.$$cast(result[i]); } } if (limit === 0) { while (result[result.length - 1] === '') { result.length -= 1; } castResult(); return result; } match = pattern.exec(string); if (limit < 0) { if (match !== null && match[0] === '' && pattern.source.indexOf('(?=') === -1) { for (i = 0, ii = match.length; i < ii; i++) { result.push(''); } } castResult(); return result; } if (match !== null && match[0] === '') { result.splice(limit - 1, result.length - 1, result.slice(limit - 1).join('')); castResult(); return result; } if (limit >= result.length) { castResult(); return result; } i = 0; while (match !== null) { i++; index = pattern.lastIndex; if (i + 1 === limit) { break; } match = pattern.exec(string); } result.splice(limit - 1, result.length - 1, string.slice(index)); castResult(); return result; } end |
#squeeze(*sets) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1126 def squeeze(*sets) %x{ if (sets.length === 0) { return self.$$cast(self.replace(/(.)\1+/g, '$1')); } var char_class = char_class_from_char_sets(sets); if (char_class === null) { return self; } return self.$$cast(self.replace(new RegExp('(' + char_class + ')\\1+', 'g'), '$1')); } end |
#squeeze! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 70 def squeeze!(*) raise NotImplementedError, `ERROR` % 'squeeze!' end |
#start_with?(*prefixes) ⇒ Boolean
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# File 'opal/opal/corelib/string.rb', line 1139 def start_with?(*prefixes) %x{ for (var i = 0, length = prefixes.length; i < length; i++) { var prefix = #{Opal.coerce_to(`prefixes[i]`, String, :to_str).to_s}; if (self.indexOf(prefix) === 0) { return true; } } return false; } end |
#strip ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1153 def strip `self.replace(/^\s*/, '').replace(/[\s\u0000]*$/, '')` end |
#strip! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 74 def strip!(*) raise NotImplementedError, `ERROR` % 'strip!' end |
#sub(pattern, replacement = undefined, &block) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1157 def sub(pattern, replacement = undefined, &block) %x{ if (!pattern.$$is_regexp) { pattern = #{Opal.coerce_to(`pattern`, String, :to_str)}; pattern = new RegExp(pattern.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')); } var result, match = pattern.exec(self); if (match === null) { #{$~ = nil} result = self.toString(); } else { #{MatchData.new `pattern`, `match`} if (replacement === undefined) { if (block === nil) { #{raise ArgumentError, 'wrong number of arguments (1 for 2)'} } result = self.slice(0, match.index) + block(match[0]) + self.slice(match.index + match[0].length); } else if (replacement.$$is_hash) { result = self.slice(0, match.index) + #{`replacement`[`match[0]`].to_s} + self.slice(match.index + match[0].length); } else { replacement = #{Opal.coerce_to(`replacement`, String, :to_str)}; replacement = replacement.replace(/([\\]+)([0-9+&`'])/g, function (original, slashes, command) { if (slashes.length % 2 === 0) { return original; } switch (command) { case "+": for (var i = match.length - 1; i > 0; i--) { if (match[i] !== undefined) { return slashes.slice(1) + match[i]; } } return ''; case "&": return slashes.slice(1) + match[0]; case "`": return slashes.slice(1) + self.slice(0, match.index); case "'": return slashes.slice(1) + self.slice(match.index + match[0].length); default: return slashes.slice(1) + (match[command] || ''); } }).replace(/\\\\/g, '\\'); result = self.slice(0, match.index) + replacement + self.slice(match.index + match[0].length); } } return self.$$cast(result); } end |
#sub! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 78 def sub!(*) raise NotImplementedError, `ERROR` % 'sub!' end |
#succ! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 82 def succ!(*) raise NotImplementedError, `ERROR` % 'succ!' end |
#sum(n = 16) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1216 def sum(n = 16) %x{ n = #{Opal.coerce_to(`n`, Integer, :to_int)}; var result = 0, length = self.length, i = 0; for (; i < length; i++) { result += self.charCodeAt(i); } if (n <= 0) { return result; } return result & (Math.pow(2, n) - 1); } end |
#swapcase ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1236 def swapcase %x{ var str = self.replace(/([a-z]+)|([A-Z]+)/g, function($0,$1,$2) { return $1 ? $0.toUpperCase() : $0.toLowerCase(); }); if (self.constructor === String) { return str; } return #{self.class.new `str`}; } end |
#swapcase! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 86 def swapcase!(*) raise NotImplementedError, `ERROR` % 'swapcase!' end |
#to_c ⇒ Object
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# File 'opal/opal/corelib/complex.rb', line 305 def to_c %x{ var str = self, re = /[+-]?[\d_]+(\.[\d_]+)?(e\d+)?/, match = str.match(re), real, imag, denominator; function isFloat() { return re.test(str); } function cutFloat() { var match = str.match(re); var number = match[0]; str = str.slice(number.length); return number.replace(/_/g, ''); } // handles both floats and rationals function cutNumber() { if (isFloat()) { var numerator = parseFloat(cutFloat()); if (str[0] === '/') { // rational real part str = str.slice(1); if (isFloat()) { var denominator = parseFloat(cutFloat()); return #{Rational(`numerator`, `denominator`)}; } else { // reverting '/' str = '/' + str; return numerator; } } else { // float real part, no denominator return numerator; } } else { return null; } } real = cutNumber(); if (!real) { if (str[0] === 'i') { // i => Complex(0, 1) return #{Complex(0, 1)}; } if (str[0] === '-' && str[1] === 'i') { // -i => Complex(0, -1) return #{Complex(0, -1)}; } if (str[0] === '+' && str[1] === 'i') { // +i => Complex(0, 1) return #{Complex(0, 1)}; } // anything => Complex(0, 0) return #{Complex(0, 0)}; } imag = cutNumber(); if (!imag) { if (str[0] === 'i') { // 3i => Complex(0, 3) return #{Complex(0, `real`)}; } else { // 3 => Complex(3, 0) return #{Complex(`real`, 0)}; } } else { // 3+2i => Complex(3, 2) return #{Complex(`real`, `imag`)}; } } end |
#to_f ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1250 def to_f %x{ if (self.charAt(0) === '_') { return 0; } var result = parseFloat(self.replace(/_/g, '')); if (isNaN(result) || result == Infinity || result == -Infinity) { return 0; } else { return result; } } end |
#to_i(base = 10) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1267 def to_i(base = 10) %x{ var result, string = self.toLowerCase(), radix = #{Opal.coerce_to(`base`, Integer, :to_int)}; if (radix === 1 || radix < 0 || radix > 36) { #{raise ArgumentError, "invalid radix #{`radix`}"} } if (/^\s*_/.test(string)) { return 0; } string = string.replace(/^(\s*[+-]?)(0[bodx]?)(.+)$/, function (original, head, flag, tail) { switch (tail.charAt(0)) { case '+': case '-': return original; case '0': if (tail.charAt(1) === 'x' && flag === '0x' && (radix === 0 || radix === 16)) { return original; } } switch (flag) { case '0b': if (radix === 0 || radix === 2) { radix = 2; return head + tail; } break; case '0': case '0o': if (radix === 0 || radix === 8) { radix = 8; return head + tail; } break; case '0d': if (radix === 0 || radix === 10) { radix = 10; return head + tail; } break; case '0x': if (radix === 0 || radix === 16) { radix = 16; return head + tail; } break; } return original }); result = parseInt(string.replace(/_(?!_)/g, ''), radix); return isNaN(result) ? 0 : result; } end |
#to_proc ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1326 def to_proc method_name = '$' + `self.valueOf()` proc do |*args, &block| %x{ if (args.length === 0) { #{raise ArgumentError, 'no receiver given'} } var recv = args[0]; if (recv == null) recv = nil; var body = recv[#{method_name}]; if (!body) { return recv.$method_missing.apply(recv, args); } if (typeof block === 'function') { body.$$p = block; } if (args.length === 1) { return body.call(recv); } else { return body.apply(recv, args.slice(1)); } } end end |
#to_r ⇒ Object
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# File 'opal/opal/corelib/rational.rb', line 362 def to_r %x{ var str = self.trimLeft(), re = /^[+-]?[\d_]+(\.[\d_]+)?/, match = str.match(re), numerator, denominator; function isFloat() { return re.test(str); } function cutFloat() { var match = str.match(re); var number = match[0]; str = str.slice(number.length); return number.replace(/_/g, ''); } if (isFloat()) { numerator = parseFloat(cutFloat()); if (str[0] === '/') { // rational real part str = str.slice(1); if (isFloat()) { denominator = parseFloat(cutFloat()); return #{Rational(`numerator`, `denominator`)}; } else { return #{Rational(`numerator`, 1)}; } } else { return #{Rational(`numerator`, 1)}; } } else { return #{Rational(0, 1)}; } } end |
#to_s ⇒ Object Also known as: to_str
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# File 'opal/opal/corelib/string.rb', line 1358 def to_s `self.toString()` end |
#tr(from, to) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1366 def tr(from, to) from = Opal.coerce_to(from, String, :to_str).to_s to = Opal.coerce_to(to, String, :to_str).to_s %x{ if (from.length == 0 || from === to) { return self; } var i, in_range, c, ch, start, end, length; var subs = {}; var from_chars = from.split(''); var from_length = from_chars.length; var to_chars = to.split(''); var to_length = to_chars.length; var inverse = false; var global_sub = null; if (from_chars[0] === '^' && from_chars.length > 1) { inverse = true; from_chars.shift(); global_sub = to_chars[to_length - 1] from_length -= 1; } var from_chars_expanded = []; var last_from = null; in_range = false; for (i = 0; i < from_length; i++) { ch = from_chars[i]; if (last_from == null) { last_from = ch; from_chars_expanded.push(ch); } else if (ch === '-') { if (last_from === '-') { from_chars_expanded.push('-'); from_chars_expanded.push('-'); } else if (i == from_length - 1) { from_chars_expanded.push('-'); } else { in_range = true; } } else if (in_range) { start = last_from.charCodeAt(0); end = ch.charCodeAt(0); if (start > end) { #{raise ArgumentError, "invalid range \"#{`String.fromCharCode(start)`}-#{`String.fromCharCode(end)`}\" in string transliteration"} } for (c = start + 1; c < end; c++) { from_chars_expanded.push(String.fromCharCode(c)); } from_chars_expanded.push(ch); in_range = null; last_from = null; } else { from_chars_expanded.push(ch); } } from_chars = from_chars_expanded; from_length = from_chars.length; if (inverse) { for (i = 0; i < from_length; i++) { subs[from_chars[i]] = true; } } else { if (to_length > 0) { var to_chars_expanded = []; var last_to = null; in_range = false; for (i = 0; i < to_length; i++) { ch = to_chars[i]; if (last_to == null) { last_to = ch; to_chars_expanded.push(ch); } else if (ch === '-') { if (last_to === '-') { to_chars_expanded.push('-'); to_chars_expanded.push('-'); } else if (i == to_length - 1) { to_chars_expanded.push('-'); } else { in_range = true; } } else if (in_range) { start = last_to.charCodeAt(0); end = ch.charCodeAt(0); if (start > end) { #{raise ArgumentError, "invalid range \"#{`String.fromCharCode(start)`}-#{`String.fromCharCode(end)`}\" in string transliteration"} } for (c = start + 1; c < end; c++) { to_chars_expanded.push(String.fromCharCode(c)); } to_chars_expanded.push(ch); in_range = null; last_to = null; } else { to_chars_expanded.push(ch); } } to_chars = to_chars_expanded; to_length = to_chars.length; } var length_diff = from_length - to_length; if (length_diff > 0) { var pad_char = (to_length > 0 ? to_chars[to_length - 1] : ''); for (i = 0; i < length_diff; i++) { to_chars.push(pad_char); } } for (i = 0; i < from_length; i++) { subs[from_chars[i]] = to_chars[i]; } } var new_str = '' for (i = 0, length = self.length; i < length; i++) { ch = self.charAt(i); var sub = subs[ch]; if (inverse) { new_str += (sub == null ? global_sub : ch); } else { new_str += (sub != null ? sub : ch); } } return self.$$cast(new_str); } end |
#tr! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 90 def tr!(*) raise NotImplementedError, `ERROR` % 'tr!' end |
#tr_s(from, to) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1510 def tr_s(from, to) from = Opal.coerce_to(from, String, :to_str).to_s to = Opal.coerce_to(to, String, :to_str).to_s %x{ if (from.length == 0) { return self; } var i, in_range, c, ch, start, end, length; var subs = {}; var from_chars = from.split(''); var from_length = from_chars.length; var to_chars = to.split(''); var to_length = to_chars.length; var inverse = false; var global_sub = null; if (from_chars[0] === '^' && from_chars.length > 1) { inverse = true; from_chars.shift(); global_sub = to_chars[to_length - 1] from_length -= 1; } var from_chars_expanded = []; var last_from = null; in_range = false; for (i = 0; i < from_length; i++) { ch = from_chars[i]; if (last_from == null) { last_from = ch; from_chars_expanded.push(ch); } else if (ch === '-') { if (last_from === '-') { from_chars_expanded.push('-'); from_chars_expanded.push('-'); } else if (i == from_length - 1) { from_chars_expanded.push('-'); } else { in_range = true; } } else if (in_range) { start = last_from.charCodeAt(0); end = ch.charCodeAt(0); if (start > end) { #{raise ArgumentError, "invalid range \"#{`String.fromCharCode(start)`}-#{`String.fromCharCode(end)`}\" in string transliteration"} } for (c = start + 1; c < end; c++) { from_chars_expanded.push(String.fromCharCode(c)); } from_chars_expanded.push(ch); in_range = null; last_from = null; } else { from_chars_expanded.push(ch); } } from_chars = from_chars_expanded; from_length = from_chars.length; if (inverse) { for (i = 0; i < from_length; i++) { subs[from_chars[i]] = true; } } else { if (to_length > 0) { var to_chars_expanded = []; var last_to = null; in_range = false; for (i = 0; i < to_length; i++) { ch = to_chars[i]; if (last_from == null) { last_from = ch; to_chars_expanded.push(ch); } else if (ch === '-') { if (last_to === '-') { to_chars_expanded.push('-'); to_chars_expanded.push('-'); } else if (i == to_length - 1) { to_chars_expanded.push('-'); } else { in_range = true; } } else if (in_range) { start = last_from.charCodeAt(0); end = ch.charCodeAt(0); if (start > end) { #{raise ArgumentError, "invalid range \"#{`String.fromCharCode(start)`}-#{`String.fromCharCode(end)`}\" in string transliteration"} } for (c = start + 1; c < end; c++) { to_chars_expanded.push(String.fromCharCode(c)); } to_chars_expanded.push(ch); in_range = null; last_from = null; } else { to_chars_expanded.push(ch); } } to_chars = to_chars_expanded; to_length = to_chars.length; } var length_diff = from_length - to_length; if (length_diff > 0) { var pad_char = (to_length > 0 ? to_chars[to_length - 1] : ''); for (i = 0; i < length_diff; i++) { to_chars.push(pad_char); } } for (i = 0; i < from_length; i++) { subs[from_chars[i]] = to_chars[i]; } } var new_str = '' var last_substitute = null for (i = 0, length = self.length; i < length; i++) { ch = self.charAt(i); var sub = subs[ch] if (inverse) { if (sub == null) { if (last_substitute == null) { new_str += global_sub; last_substitute = true; } } else { new_str += ch; last_substitute = null; } } else { if (sub != null) { if (last_substitute == null || last_substitute !== sub) { new_str += sub; last_substitute = sub; } } else { new_str += ch; last_substitute = null; } } } return self.$$cast(new_str); } end |
#tr_s! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 94 def tr_s!(*) raise NotImplementedError, `ERROR` % 'tr_s!' end |
#unicode_normalize(form = undefined) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1823 def unicode_normalize(form = undefined) `self.toString()` end |
#unicode_normalize! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 118 def unicode_normalize!(*) raise NotImplementedError, `ERROR` % 'unicode_normalize!' end |
#unicode_normalized?(form = undefined) ⇒ Boolean
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# File 'opal/opal/corelib/string.rb', line 1827 def unicode_normalized?(form = undefined) true end |
#unpack(format) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1831 def unpack(format) raise "To use String#unpack, you must first require 'corelib/string/unpack'." end |
#unpack1(format) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1835 def unpack1(format) raise "To use String#unpack1, you must first require 'corelib/string/unpack'." end |
#upcase ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1672 def upcase `self.$$cast(self.toUpperCase())` end |
#upcase! ⇒ Object
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# File 'opal/opal/corelib/unsupported.rb', line 98 def upcase!(*) raise NotImplementedError, `ERROR` % 'upcase!' end |
#upto(stop, excl = false, &block) ⇒ Object
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# File 'opal/opal/corelib/string.rb', line 1676 def upto(stop, excl = false, &block) return enum_for :upto, stop, excl unless block_given? stop = Opal.coerce_to(stop, String, :to_str) %x{ var a, b, s = self.toString(); if (s.length === 1 && stop.length === 1) { a = s.charCodeAt(0); b = stop.charCodeAt(0); while (a <= b) { if (excl && a === b) { break; } block(String.fromCharCode(a)); a += 1; } } else if (parseInt(s, 10).toString() === s && parseInt(stop, 10).toString() === stop) { a = parseInt(s, 10); b = parseInt(stop, 10); while (a <= b) { if (excl && a === b) { break; } block(a.toString()); a += 1; } } else { while (s.length <= stop.length && s <= stop) { if (excl && s === stop) { break; } block(s); s = #{`s`.succ}; } } return self; } end |
#valid_encoding? ⇒ Boolean
stub
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# File 'opal/opal/corelib/string/encoding.rb', line 223 def valid_encoding? true end |