Class: MatchData

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# File 'opal/opal/corelib/regexp.rb', line 314
def initialize(regexp, match_groups, no_matchdata: false)
 $~ = self unless no_matchdata
 @regexp = regexp
 @begin = `match_groups.index`
 @string = `match_groups.input`
 @pre_match = `match_groups.input.slice(0, match_groups.index)`
 @post_match = `match_groups.input.slice(match_groups.index + match_groups[0].length)`
 @matches = []
 %x{
 for (var i = 0, length = match_groups.length; i < length; i++) {
 var group = match_groups[i];
 if (group == null) {
 #{@matches}.push(nil);
 }
 else {
 #{@matches}.push(group);
 }
 }
 }
end

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# File 'opal/opal/corelib/regexp.rb', line 312
def post_match
 @post_match
end

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# File 'opal/opal/corelib/regexp.rb', line 312
def pre_match
 @pre_match
end

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# File 'opal/opal/corelib/regexp.rb', line 312
def regexp
 @regexp
end

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# File 'opal/opal/corelib/regexp.rb', line 312
def string
 @string
end

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# File 'opal/opal/corelib/regexp.rb', line 372
def ==(other)
 return false unless ::MatchData  === other
 `self.string == other.string` &&
 `self.regexp.toString() == other.regexp.toString()` &&
 `self.pre_match == other.pre_match` &&
 `self.post_match == other.post_match` &&
 `self.begin == other.begin`
end

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# File 'opal/opal/corelib/regexp.rb', line 349
def [](*args)
 %x{
 if (args[0].$$is_string) {
 if (#{!regexp.names.include?(args[0])}) {
 #{::Kernel .raise  ::IndexError , "undefined group name reference: #{args[0]}"}
 }
 return #{named_captures[args[0]]}
 }
 else {
 return #{@matches[*args]}
 }
 }
end

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# File 'opal/opal/corelib/marshal/write_buffer.rb', line 107
def __marshal__(buffer)
 ::Kernel .raise  ::TypeError , "no _dump_data is defined for class #{self.class}"
end

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# File 'opal/opal/corelib/regexp.rb', line 382
def begin(n)
 %x{
 if (n !== 0) {
 #{::Kernel .raise  ::ArgumentError , 'MatchData#begin only supports 0th element'}
 }
 return self.begin;
 }
end

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# File 'opal/opal/corelib/regexp.rb', line 400
def captures
 `#{@matches}.slice(1)`
end

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# File 'opal/opal/corelib/regexp.rb', line 391
def end(n)
 %x{
 if (n !== 0) {
 #{::Kernel .raise  ::ArgumentError , 'MatchData#end only supports 0th element'}
 }
 return self.begin + self.matches[n].length;
 }
end

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# File 'opal/opal/corelib/regexp.rb', line 415
def inspect
 %x{
 var str = "#<MatchData " + #{`#{@matches}[0]`.inspect};
 if (#{regexp.names.empty?}) {
 for (var i = 1, length = #{@matches}.length; i < length; i++) {
 str += " " + i + ":" + #{`#{@matches}[i]`.inspect};
 }
 }
 else {
 #{ named_captures.each do |k, v|
 %x{
 str += " " + #{k} + ":" + #{v.inspect}}
 end }
 }
 return str + ">";
 }
end

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# File 'opal/opal/corelib/regexp.rb', line 436
def length
 `#{@matches}.length`
end

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# File 'opal/opal/corelib/regexp.rb', line 337
def match(idx)
 if (match = self[idx])
 match
 elsif idx.is_a?(Integer ) && idx >= length
 ::Kernel .raise  ::IndexError , "index #{idx} out of matches"
 end
end

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# File 'opal/opal/corelib/regexp.rb', line 345
def match_length(idx)
 match(idx)&.length
end

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# File 'opal/opal/corelib/regexp.rb', line 404
def named_captures
 matches = captures
 regexp.named_captures.transform_values do |i|
 matches[i.last - 1]
 end
end

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# File 'opal/opal/corelib/regexp.rb', line 411
def names
 regexp.names
end

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# File 'opal/opal/corelib/regexp.rb', line 363
def offset(n)
 %x{
 if (n !== 0) {
 #{::Kernel .raise  ::ArgumentError , 'MatchData#offset only supports 0th element'}
 }
 return [self.begin, self.begin + self.matches[n].length];
 }
end

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# File 'opal/opal/corelib/regexp.rb', line 440
def to_a
 @matches
end

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# File 'opal/opal/corelib/regexp.rb', line 444
def to_s 
 `#{@matches}[0]`
end

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# File 'opal/opal/corelib/regexp.rb', line 448
def values_at(*args)
 %x{
 var i, a, index, values = [];
 for (i = 0; i < args.length; i++) {
 if (args[i].$$is_range) {
 a = #{`args[i]`.to_a};
 a.unshift(i, 1);
 Array.prototype.splice.apply(args, a);
 }
 index = #{::Opal .coerce_to! (`args[i]`, ::Integer , :to_int)};
 if (index < 0) {
 index += #{@matches}.length;
 if (index < 0) {
 values.push(nil);
 continue;
 }
 }
 values.push(#{@matches}[index]);
 }
 return values;
 }
end