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x/sheetjs/misc/02_codepage.js

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var current_codepage = 1200, current_ansi = 1252;
var VALID_ANSI = [ 874, 932, 936, 949, 950, 10000 ];for(var i = 0; i <= 8; ++i) VALID_ANSI.push(1250 + i);/* ECMA-376 Part I 18.4.1 charset to codepage mapping */var CS2CP = ({ /*::[*/0/*::]*/: 1252, /* ANSI */ /*::[*/1/*::]*/: 65001, /* DEFAULT */ /*::[*/2/*::]*/: 65001, /* SYMBOL */ /*::[*/77/*::]*/: 10000, /* MAC */ /*::[*/128/*::]*/: 932, /* SHIFTJIS */ /*::[*/129/*::]*/: 949, /* HANGUL */ /*::[*/130/*::]*/: 1361, /* JOHAB */ /*::[*/134/*::]*/: 936, /* GB2312 */ /*::[*/136/*::]*/: 950, /* CHINESEBIG5 */ /*::[*/161/*::]*/: 1253, /* GREEK */ /*::[*/162/*::]*/: 1254, /* TURKISH */ /*::[*/163/*::]*/: 1258, /* VIETNAMESE */ /*::[*/177/*::]*/: 1255, /* HEBREW */ /*::[*/178/*::]*/: 1256, /* ARABIC */ /*::[*/186/*::]*/: 1257, /* BALTIC */ /*::[*/204/*::]*/: 1251, /* RUSSIAN */ /*::[*/222/*::]*/: 874, /* THAI */ /*::[*/238/*::]*/: 1250, /* EASTEUROPE */ /*::[*/255/*::]*/: 1252, /* OEM */ /*::[*/69/*::]*/: 6969 /* MISC */}/*:any*/);
var set_ansi = function(cp/*:number*/) { if(VALID_ANSI.indexOf(cp) == -1) return; current_ansi = CS2CP[0] = cp; };function reset_ansi() { set_ansi(1252); }
var set_cp = function(cp/*:number*/) { current_codepage = cp; set_ansi(cp); };function reset_cp() { set_cp(1200); reset_ansi(); }
function char_codes(data/*:string*/)/*:Array<number>*/ { var o/*:Array<number>*/ = []; for(var i = 0, len = data.length; i < len; ++i) o[i] = data.charCodeAt(i); return o; }
function utf16leread(data/*:string*/)/*:string*/ { var o/*:Array<string>*/ = []; for(var i = 0; i < (data.length>>1); ++i) o[i] = String.fromCharCode(data.charCodeAt(2*i) + (data.charCodeAt(2*i+1)<<8)); return o.join("");}function utf16beread(data/*:string*/)/*:string*/ { var o/*:Array<string>*/ = []; for(var i = 0; i < (data.length>>1); ++i) o[i] = String.fromCharCode(data.charCodeAt(2*i+1) + (data.charCodeAt(2*i)<<8)); return o.join("");}
var debom = function(data/*:string*/)/*:string*/ { var c1 = data.charCodeAt(0), c2 = data.charCodeAt(1); if(c1 == 0xFF && c2 == 0xFE) return utf16leread(data.slice(2)); if(c1 == 0xFE && c2 == 0xFF) return utf16beread(data.slice(2)); if(c1 == 0xFEFF) return data.slice(1); return data;};
var _getchar = function _gc1(x/*:number*/)/*:string*/ { return String.fromCharCode(x); };var _getansi = function _ga1(x/*:number*/)/*:string*/ { return String.fromCharCode(x); };
var cptable;function set_cptable(_cptable) { cptable = _cptable; set_cp = function(cp/*:number*/) { current_codepage = cp; set_ansi(cp); }; debom = function(data/*:string*/) { if(data.charCodeAt(0) === 0xFF && data.charCodeAt(1) === 0xFE) { return cptable.utils.decode(1200, char_codes(data.slice(2))); } return data; }; _getchar = function _gc2(x/*:number*/)/*:string*/ { if(current_codepage === 1200) return String.fromCharCode(x); return cptable.utils.decode(current_codepage, [x&255,x>>8])[0]; }; _getansi = function _ga2(x/*:number*/)/*:string*/ { return cptable.utils.decode(current_ansi, [x])[0]; }; cpdoit();}export { set_cptable };