cafe-grader-web

Location: cafe-grader-web/node_modules/fontkit/src/cff/CFFOperand.js - annotation

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Commit Description:
force log out when password change
Commit Description:
force log out when password change
References:
r884:490fbe2ccf0b tip algo
File last commit:
r789:8cd7e8db7e38 default
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Action:
node_modules/fontkit/src/cff/CFFOperand.js | 134 lines | 3.1 KiB | application/javascript | JavascriptLexer |
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admin
move datatable to yarn
 r789 const FLOAT_EOF = 0xf;
const FLOAT_LOOKUP = [
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', '.', 'E', 'E-', null, '-'
];
const FLOAT_ENCODE_LOOKUP = {
'.': 10,
'E': 11,
'E-': 12,
'-': 14
};
export default class CFFOperand {
static decode(stream, value) {
if (32 <= value && value <= 246) {
return value - 139;
}
if (247 <= value && value <= 250) {
return (value - 247) * 256 + stream.readUInt8() + 108;
}
if (251 <= value && value <= 254) {
return -(value - 251) * 256 - stream.readUInt8() - 108;
}
if (value === 28) {
return stream.readInt16BE();
}
if (value === 29) {
return stream.readInt32BE();
}
if (value === 30) {
let str = '';
while (true) {
let b = stream.readUInt8();
let n1 = b >> 4;
if (n1 === FLOAT_EOF) { break; }
str += FLOAT_LOOKUP[n1];
let n2 = b & 15;
if (n2 === FLOAT_EOF) { break; }
str += FLOAT_LOOKUP[n2];
}
return parseFloat(str);
}
return null;
}
static size(value) {
// if the value needs to be forced to the largest size (32 bit)
// e.g. for unknown pointers, set to 32768
if (value.forceLarge) {
value = 32768;
}
if ((value | 0) !== value) { // floating point
let str = '' + value;
return 1 + Math.ceil((str.length + 1) / 2);
} else if (-107 <= value && value <= 107) {
return 1;
} else if (108 <= value && value <= 1131 || -1131 <= value && value <= -108) {
return 2;
} else if (-32768 <= value && value <= 32767) {
return 3;
} else {
return 5;
}
}
static encode(stream, value) {
// if the value needs to be forced to the largest size (32 bit)
// e.g. for unknown pointers, save the old value and set to 32768
let val = Number(value);
if (value.forceLarge) {
stream.writeUInt8(29);
return stream.writeInt32BE(val);
} else if ((val | 0) !== val) { // floating point
stream.writeUInt8(30);
let str = '' + val;
for (let i = 0; i < str.length; i += 2) {
let c1 = str[i];
let n1 = FLOAT_ENCODE_LOOKUP[c1] || +c1;
if (i === str.length - 1) {
var n2 = FLOAT_EOF;
} else {
let c2 = str[i + 1];
var n2 = FLOAT_ENCODE_LOOKUP[c2] || +c2;
}
stream.writeUInt8((n1 << 4) | (n2 & 15));
}
if (n2 !== FLOAT_EOF) {
return stream.writeUInt8((FLOAT_EOF << 4));
}
} else if (-107 <= val && val <= 107) {
return stream.writeUInt8(val + 139);
} else if (108 <= val && val <= 1131) {
val -= 108;
stream.writeUInt8((val >> 8) + 247);
return stream.writeUInt8(val & 0xff);
} else if (-1131 <= val && val <= -108) {
val = -val - 108;
stream.writeUInt8((val >> 8) + 251);
return stream.writeUInt8(val & 0xff);
} else if (-32768 <= val && val <= 32767) {
stream.writeUInt8(28);
return stream.writeInt16BE(val);
} else {
stream.writeUInt8(29);
return stream.writeInt32BE(val);
}
}
}