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/* Generated by Opal 0.6.0 */ | ||
(function($opal) { | ||
var self = $opal.top, $scope = $opal, nil = $opal.nil, $breaker = $opal.breaker, $slice = $opal.slice, $module = $opal.module; | ||
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$opal.add_stubs([]); | ||
return (function($base) { | ||
var self = $module($base, 'Base64'); | ||
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var def = self._proto, $scope = self._scope; | ||
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var charset = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=', | ||
lookup = {}; | ||
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for (var i = 0, length = charset.length; i < length; i++) { | ||
lookup[charset.charAt(i)] = i; | ||
} | ||
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function from(string) { | ||
var buffer = []; | ||
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for (var i = 0, length = string.length; i < length; i++) { | ||
var a, b, c, d; | ||
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a = lookup[string.charAt(i)]; | ||
b = lookup[string.charAt(++i)]; | ||
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buffer.push((a << 2) | (b >> 4)); | ||
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c = lookup[string.charAt(++i)]; | ||
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if (c == 64) { | ||
break; | ||
} | ||
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buffer.push(((b & 15) << 4) | (c >> 2)); | ||
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d = lookup[string.charAt(++i)]; | ||
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if (d == 64) { | ||
break; | ||
} | ||
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buffer.push(((c & 3) << 6) | d); | ||
} | ||
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return buffer; | ||
} | ||
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function decode(string) { | ||
var buffer = from(string), | ||
result = []; | ||
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for (var i = 0, length = buffer.length; i < length; i++) { | ||
if (buffer[i] < 128) { | ||
result.push(String.fromCharCode(buffer[i])); | ||
} | ||
else if (buffer[i] > 191 && buffer[i] < 224) { | ||
var a = (buffer[i] & 31) << 6, | ||
b = buffer[++i] & 63; | ||
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result.push(String.fromCharCode(a | b)); | ||
} | ||
else { | ||
var a = (buffer[i] & 15) << 12, | ||
b = (buffer[++i] & 63) << 6, | ||
c = buffer[++i] & 63; | ||
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result.push(String.fromCharCode(a | b | c)); | ||
} | ||
} | ||
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return result.join(''); | ||
} | ||
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function to(string) { | ||
var buffer = []; | ||
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if (/^[\x00-\x7f]*$/.test(string)) { | ||
for (var i = 0, length = string.length; i < length; i++) { | ||
buffer.push(string.charCodeAt(i)); | ||
} | ||
} | ||
else { | ||
for (var i = 0, length = string.length; i < length; i++) { | ||
var ch = string.charCodeAt(i); | ||
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if (ch < 128) { | ||
buffer.push(ch); | ||
} | ||
else if (ch < 2048) { | ||
buffer.push((ch >> 6) | 192); | ||
buffer.push((ch & 63) | 128); | ||
} | ||
else { | ||
buffer.push((ch >> 12) | 224); | ||
buffer.push(((ch >> 6) & 63) | 128); | ||
buffer.push((ch & 63) | 128); | ||
} | ||
} | ||
} | ||
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return buffer; | ||
} | ||
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function encode(string) { | ||
var buffer = to(string), | ||
result = []; | ||
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for (var i = 0, length = buffer.length; i < length; i++) { | ||
var a = buffer[i], | ||
b = buffer[++i], | ||
c = 0, | ||
d = a >> 2, | ||
e = ((a & 3) << 4) | (b >> 4), | ||
f = 0, | ||
g = 0; | ||
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if (isNaN(a)) { | ||
f = g = 64; | ||
} | ||
else { | ||
c = buffer[++i]; | ||
f = ((b & 15) << 2) | (c >> 6); | ||
g = isNaN(c) ? 64 : c & 63; | ||
} | ||
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result.push(charset.charAt(d)); | ||
result.push(charset.charAt(e)); | ||
result.push(charset.charAt(f)); | ||
result.push(charset.charAt(g)); | ||
} | ||
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return result.join(''); | ||
} | ||
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$opal.defs(self, '$decode64', function(string) { | ||
var self = this; | ||
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return decode(string.replace(/\r?\n/g, '')); | ||
}); | ||
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$opal.defs(self, '$encode64', function(string) { | ||
var self = this; | ||
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return encode(string).replace(/(.{60})/g, "$1\n"); | ||
}); | ||
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$opal.defs(self, '$strict_decode64', function(string) { | ||
var self = this; | ||
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return decode(string); | ||
}); | ||
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$opal.defs(self, '$strict_encode64', function(string) { | ||
var self = this; | ||
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return encode(string); | ||
}); | ||
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$opal.defs(self, '$urlsafe_decode64', function(string) { | ||
var self = this; | ||
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return decode(string.replace(/\-/g, '+').replace(/_/g, '/')); | ||
}); | ||
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$opal.defs(self, '$urlsafe_encode64', function(string) { | ||
var self = this; | ||
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return encode(string).replace(/\+/g, '-').replace(/\//g, '_'); | ||
}); | ||
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})(self) | ||
})(Opal); | ||
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//# sourceMappingURL=/__opal_source_maps__/base64.js.map | ||
; |
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