43 lines
1.7 KiB
JavaScript
43 lines
1.7 KiB
JavaScript
var current_codepage = 1200;
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/*:: declare var cptable:any; */
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/*global cptable:true */
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if(typeof module !== "undefined" && typeof require !== 'undefined') {
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if(typeof cptable === 'undefined') global.cptable = require('./dist/cpexcel.js');
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}
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function reset_cp() { set_cp(1200); }
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var set_cp = function(cp) { current_codepage = cp; };
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function char_codes(data) { var o = []; for(var i = 0, len = data.length; i < len; ++i) o[i] = data.charCodeAt(i); return o; }
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function utf16leread(data/*:string*/)/*:string*/ {
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var o = [];
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for(var i = 0; i < (data.length>>1); ++i) o[i] = String.fromCharCode(data.charCodeAt(2*i) + (data.charCodeAt(2*i+1)<<8));
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return o.join("");
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}
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function utf16beread(data/*:string*/)/*:string*/ {
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var o = [];
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for(var i = 0; i < (data.length>>1); ++i) o[i] = String.fromCharCode(data.charCodeAt(2*i+1) + (data.charCodeAt(2*i)<<8));
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return o.join("");
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}
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var debom = function(data/*:string*/)/*:string*/ {
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var c1 = data.charCodeAt(0), c2 = data.charCodeAt(1);
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if(c1 == 0xFF && c2 == 0xFE) return utf16leread(data.substr(2));
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if(c1 == 0xFE && c2 == 0xFF) return utf16beread(data.substr(2));
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if(c1 == 0xFEFF) return data.substr(1);
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return data;
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};
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var _getchar = function _gc1(x/*:number*/)/*:string*/ { return String.fromCharCode(x); };
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if(typeof cptable !== 'undefined') {
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set_cp = function(cp/*:number*/) { current_codepage = cp; };
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debom = function(data/*:string*/) {
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if(data.charCodeAt(0) === 0xFF && data.charCodeAt(1) === 0xFE) { return cptable.utils.decode(1200, char_codes(data.substr(2))); }
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return data;
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};
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_getchar = function _gc2(x/*:number*/)/*:string*/ {
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if(current_codepage === 1200) return String.fromCharCode(x);
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return cptable.utils.decode(current_codepage, [x&255,x>>8])[0];
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};
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}
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