/* phpserializer.js - JavaScript to PHP serialize / unserialize class. * * This class is designed to convert php variables to javascript * and javascript variables to php with a php serialize unserialize * compatible way. * * Copyright (C) 2006 Ma Bingyao <andot@ujn.edu.cn> * Version: 3.0c * LastModified: Jun 2, 2006 * This library is free. You can redistribute it and/or modify it. * http://www.coolcode.cn/?p=171* *2011-01-05 likefei edit without encoding*ser_string()*unser_string()**gbk encoding*不同的编码中文的长度不同，需要调整一下函数*chkLength(strTemp)*/ function serialize(o) { var p = 0, sb = [], ht = [], hv = 1; function classname(o) { if (typeof(o) == "undefined" || typeof(o.constructor) == "undefined") return ''; var c = o.constructor.toString(); c = utf16to8(c.substr(0, c.indexOf('(')).replace(/(^\s*function\s*)|(\s*$)/ig, '')); return ((c == '') ? 'Object' : c); } function is_int(n) { var s = n.toString(), l = s.length; if (l > 11) return false; for (var i = (s.charAt(0) == '-') ? 1 : 0; i < l; i++) { switch (s.charAt(i)) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': break; default : return false; } } return !(n < -2147483648 || n > 2147483647); } function in_ht(o) { for (k in ht) if (ht[k] === o) return k; return false; } function ser_null() { sb[p++] = 'N;'; } function ser_boolean(b) { sb[p++] = (b ? 'b:1;' : 'b:0;'); } function ser_integer(i) { sb[p++] = 'i:' + i + ';'; } function ser_double(d) { if (d == Number.POSITIVE_INFINITY) d = 'INF'; else if (d == Number.NEGATIVE_INFINITY) d = '-INF'; sb[p++] = 'd:' + d + ';'; } function ser_string(s) { //var utf8 = utf16to8(s); var utf8 = s;//当判断是中文时不进行编码转换 sb[p++] = 's:' + chkLength(utf8) + ':"'; sb[p++] = utf8; sb[p++] = '";'; } function ser_array(a) { sb[p++] = 'a:'; var lp = p; sb[p++] = 0; sb[p++] = ':{'; for (var k in a) { if (typeof(a[k]) != 'function') { is_int(k) ? ser_integer(k) : ser_string(k); __serialize(a[k]); sb[lp]++; } } sb[p++] = '}'; } function ser_object(o) { var cn = classname(o); if (cn == '') ser_null(); else if (typeof(o.serialize) != 'function') { sb[p++] = 'O:' + cn.length + ':"'; sb[p++] = cn; sb[p++] = '":'; var lp = p; sb[p++] = 0; sb[p++] = ':{'; if (typeof(o.__sleep) == 'function') { var a = o.__sleep(); for (var kk in a) { ser_string(a[kk]); __serialize(o[a[kk]]); sb[lp]++; } } else { for (var k in o) { if (typeof(o[k]) != 'function') { ser_string(k); __serialize(o[k]); sb[lp]++; } } } sb[p++] = '}'; } else { var cs = o.serialize(); sb[p++] = 'C:' + cn.length + ':"'; sb[p++] = cn; sb[p++] = '":' + cs.length + ':{'; sb[p++] = cs; sb[p++] = "}"; } } function ser_pointref(R) { sb[p++] = "R:" + R + ";"; } function ser_ref(r) { sb[p++] = "r:" + r + ";"; } function __serialize(o) { if (o == null || o.constructor == Function) { hv++; ser_null(); } else switch (o.constructor) { case Boolean: { hv++; ser_boolean(o); break; } case Number: { hv++; is_int(o) ? ser_integer(o) : ser_double(o); break; } case String: { hv++; ser_string(o); break; } case Array: { var r = in_ht(o); if (r) { ser_pointref(r); } else { ht[hv++] = o; ser_array(o); } break; } default: { var r = in_ht(o); if (r) { hv++; ser_ref(r); } else { ht[hv++] = o; ser_object(o); } break; } } } __serialize(o); return sb.join(''); } function unserialize(ss) { var p = 0, ht = [], hv = 1; r = null; function unser_null() { p++; return null; } function unser_boolean() { p++; var b = (ss.charAt(p++) == '1'); p++; return b; } function unser_integer() { p++; var i = parseInt(ss.substring(p, p = ss.indexOf(';', p))); p++; return i; } function unser_double() { p++; var d = ss.substring(p, p = ss.indexOf(';', p)); switch (d) { case 'INF': d = Number.POSITIVE_INFINITY; break; case '-INF': d = Number.NEGATIVE_INFINITY; break; default: d = parseFloat(d); } p++; return d; } function unser_string() { p++; var l = parseInt(ss.substring(p, p = ss.indexOf(':', p))); p += 2; //var s = utf8to16(ss.substring(p, p += l)); //var s = ss.substring(p, p += l); var s = subChnStr(ss,l,p); p += s.length; p += 2; return s; } function unser_array() { p++; var n = parseInt(ss.substring(p, p = ss.indexOf(':', p))); p += 2; var a = []; ht[hv++] = a; for (var i = 0; i < n; i++) { var k; switch (ss.charAt(p++)) { case 'i': k = unser_integer(); break; case 's': k = unser_string(); break; case 'U': k = unser_unicode_string(); break; default: return false; } a[k] = __unserialize(); } p++; return a; } function unser_object() { p++; var l = parseInt(ss.substring(p, p = ss.indexOf(':', p))); p += 2; var cn = utf8to16(ss.substring(p, p += l)); p += 2; var n = parseInt(ss.substring(p, p = ss.indexOf(':', p))); p += 2; if (eval(['typeof(', cn, ') == "undefined"'].join(''))) { eval(['function ', cn, '(){}'].join('')); } var o = eval(['new ', cn, '()'].join('')); ht[hv++] = o; for (var i = 0; i < n; i++) { var k; switch (ss.charAt(p++)) { case 's': k = unser_string(); break; case 'U': k = unser_unicode_string(); break; default: return false; } if (k.charAt(0) == '\0') { k = k.substring(k.indexOf('\0', 1) + 1, k.length); } o[k] = __unserialize(); } p++; if (typeof(o.__wakeup) == 'function') o.__wakeup(); return o; } function unser_custom_object() { p++; var l = parseInt(ss.substring(p, p = ss.indexOf(':', p))); p += 2; var cn = utf8to16(ss.substring(p, p += l)); p += 2; var n = parseInt(ss.substring(p, p = ss.indexOf(':', p))); p += 2; if (eval(['typeof(', cn, ') == "undefined"'].join(''))) { eval(['function ', cn, '(){}'].join('')); } var o = eval(['new ', cn, '()'].join('')); ht[hv++] = o; if (typeof(o.unserialize) != 'function') p += n; else o.unserialize(ss.substring(p, p += n)); p++; return o; } function unser_unicode_string() { p++; var l = parseInt(ss.substring(p, p = ss.indexOf(':', p))); p += 2; var sb = []; for (i = 0; i < l; i++) { if ((sb[i] = ss.charAt(p++)) == '\\') { sb[i] = String.fromCharCode(parseInt(ss.substring(p, p += 4), 16)); } } p += 2; return sb.join(''); } function unser_ref() { p++; var r = parseInt(ss.substring(p, p = ss.indexOf(';', p))); p++; return ht; } function __unserialize() { switch (ss.charAt(p++)) { case 'N': return ht[hv++] = unser_null(); case 'b': return ht[hv++] = unser_boolean(); case 'i': return ht[hv++] = unser_integer(); case 'd': return ht[hv++] = unser_double(); case 's': return ht[hv++] = unser_string(); case 'U': return ht[hv++] = unser_unicode_string(); case 'r': return ht[hv++] = unser_ref(); case 'a': return unser_array(); case 'O': return unser_object(); case 'C': return unser_custom_object(); case 'R': return unser_ref(); default: return false; } } return __unserialize(); }//gbk encoding下的中文字符长度function chkLength(strTemp) { var i,sum; sum=0; for(i=0;i<strTemp.length;i++) { if ((strTemp.charCodeAt(i)>=0) && (strTemp.charCodeAt(i)<=255)) sum=sum+1; else sum=sum+2; } return sum; }//gbk encoding中文字符截取（中文占两个字符）//utf8 encoding中文字符截取（中文占三个字符）//做的改动：增加截取字符串的开始位置function subChnStr(str, len, start, hasDot){ var newLength = 0; var newStr = ""; var chineseRegex = /[^\x00-\xff]/g; var singleChar = ""; var strLength = str.replace(chineseRegex,"**").length; for(var i = start;i < strLength;i++) { singleChar = str.charAt(i).toString(); if(singleChar.match(chineseRegex) != null) { newLength += 2; } else { newLength++; } if(newLength > len) { break; } newStr += singleChar; } if(hasDot && strLength > len) { newStr += "..."; } return newStr;}
