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4.4 KiB
Plaintext
1 line
4.4 KiB
Plaintext
{"version":3,"sources":["base64/base64.js"],"names":[],"mappings":";;;;;;;;;;;;;;;;AAAA,mB;;AAEA,uF;;AAEA,sB;;AAEA,gD;AACA,4C;AACA,E;;AAEA,Y;;AAEA,kC;;AAEA,kC;AACA,oB;AACA,yC;AACA,0C;AACA,iC;AACA,sB;AACA,wB;AACA,mE;AACA,O;AACA,oB;AACA,K;AACA,G;;AAEA,kB;AACA,e;AACA,e;AACA,e;AACA,e;AACA,0C;AACA,oB;AACA,W;AACA,iC;AACA,iC;AACA,Y;AACA,W;AACA,oC;AACA,gC;AACA,Y;AACA,W;AACA,qC;AACA,0B;AACA,8B;AACA,8B;AACA,8B;AACA,8B;AACA,e;AACA,e;AACA,e;AACA,e;AACA,Y;AACA,K;AACA,G;AACA,kB;AACA,4B;AACA,4B;AACA,kB;AACA,uB;AACA,Q;AACA,8B;AACA,kB;AACA,uB;AACA,G;AACA,yB;AACA,E;;AAEA,8B;AACA,mC;AACA,E;;AAEA,4B;AACA,mB;AACA,c;AACA,G;AACA,0B;AACA,E;;AAEA,oE;AACA,mE;AACA,sE;AACA,qE;AACA,O;AACA,mC;AACA,gF;AACA,iB;AACA,mC;AACA,kB;AACA,K;AACA,mC;AACA,e;AACA,G;AACA,8C;AACA,E;;AAEA,gC;AACA,yC;AACA,0C;AACA,U;AACA,0C;AACA,Y;AACA,G;AACA,kC;;AAEA,iB;AACA,iB;AACA,mB;;AAEA,Y;;AAEA,wC;AACA,0B;AACA,sB;AACA,oB;AACA,W;AACA,gB;AACA,iD;AACA,mB;AACA,Y;AACA,W;AACA,gB;AACA,iD;AACA,2B;AACA,qB;AACA,4B;AACA,Y;AACA,W;AACA,mB;AACA,6B;AACA,uB;AACA,gC;AACA,O;AACA,Y;AACA,W;AACA,mB;AACA,6B;AACA,O;AACA,Y;AACA,K;AACA,G;AACA,a;AACA,E","file":"/packages/base64.js","sourcesContent":["// Base 64 encoding\n\nvar BASE_64_CHARS = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\";\n\nvar BASE_64_VALS = {};\n\nfor (var i = 0; i < BASE_64_CHARS.length; i++) {\n BASE_64_VALS[BASE_64_CHARS.charAt(i)] = i;\n};\n\nBase64 = {};\n\nBase64.encode = function (array) {\n\n if (typeof array === \"string\") {\n var str = array;\n array = Base64.newBinary(str.length);\n for (var i = 0; i < str.length; i++) {\n var ch = str.charCodeAt(i);\n if (ch > 0xFF) {\n throw new Error(\n \"Not ascii. Base64.encode can only take ascii strings.\");\n }\n array[i] = ch;\n }\n }\n\n var answer = [];\n var a = null;\n var b = null;\n var c = null;\n var d = null;\n for (var i = 0; i < array.length; i++) {\n switch (i % 3) {\n case 0:\n a = (array[i] >> 2) & 0x3F;\n b = (array[i] & 0x03) << 4;\n break;\n case 1:\n b = b | (array[i] >> 4) & 0xF;\n c = (array[i] & 0xF) << 2;\n break;\n case 2:\n c = c | (array[i] >> 6) & 0x03;\n d = array[i] & 0x3F;\n answer.push(getChar(a));\n answer.push(getChar(b));\n answer.push(getChar(c));\n answer.push(getChar(d));\n a = null;\n b = null;\n c = null;\n d = null;\n break;\n }\n }\n if (a != null) {\n answer.push(getChar(a));\n answer.push(getChar(b));\n if (c == null)\n answer.push('=');\n else\n answer.push(getChar(c));\n if (d == null)\n answer.push('=');\n }\n return answer.join(\"\");\n};\n\nvar getChar = function (val) {\n return BASE_64_CHARS.charAt(val);\n};\n\nvar getVal = function (ch) {\n if (ch === '=') {\n return -1;\n }\n return BASE_64_VALS[ch];\n};\n\n// XXX This is a weird place for this to live, but it's used both by\n// this package and 'ejson', and we can't put it in 'ejson' without\n// introducing a circular dependency. It should probably be in its own\n// package or as a helper in a package that both 'base64' and 'ejson'\n// use.\nBase64.newBinary = function (len) {\n if (typeof Uint8Array === 'undefined' || typeof ArrayBuffer === 'undefined') {\n var ret = [];\n for (var i = 0; i < len; i++) {\n ret.push(0);\n }\n ret.$Uint8ArrayPolyfill = true;\n return ret;\n }\n return new Uint8Array(new ArrayBuffer(len));\n};\n\nBase64.decode = function (str) {\n var len = Math.floor((str.length*3)/4);\n if (str.charAt(str.length - 1) == '=') {\n len--;\n if (str.charAt(str.length - 2) == '=')\n len--;\n }\n var arr = Base64.newBinary(len);\n\n var one = null;\n var two = null;\n var three = null;\n\n var j = 0;\n\n for (var i = 0; i < str.length; i++) {\n var c = str.charAt(i);\n var v = getVal(c);\n switch (i % 4) {\n case 0:\n if (v < 0)\n throw new Error('invalid base64 string');\n one = v << 2;\n break;\n case 1:\n if (v < 0)\n throw new Error('invalid base64 string');\n one = one | (v >> 4);\n arr[j++] = one;\n two = (v & 0x0F) << 4;\n break;\n case 2:\n if (v >= 0) {\n two = two | (v >> 2);\n arr[j++] = two;\n three = (v & 0x03) << 6;\n }\n break;\n case 3:\n if (v >= 0) {\n arr[j++] = three | v;\n }\n break;\n }\n }\n return arr;\n};\n"]} |