open source

Conch/source/domsupport/Storage.ts

@@ -0,0 +1,210 @@
+///<reference path="./ES6NoDOM.d.ts" />
+/**
+ * 问题：现在不支持 [] 方式的访问
+ * 不支持length
+ */
+class Storage {
+    private storagePath = conchConfig.getStoragePath();
+    private filename = '';
+    private db = {};//只保存了值，因为有根据idx索引的需求
+    private _len:number=0;
+    fileNamePre:string;
+    get length():number
+    {
+        return this._len;
+    }
+    getItem(key: string): any {
+        return this.db[key]||null;
+    }
+    key(index: number): string {
+        var keys:Array<string>=Object.keys(this.db);
+        keys.sort();
+        return keys[index]||null;
+    }
+    removeItem(key: string): void {
+        if(this.db[key])this._len--;
+        delete this.db[key];
+        this.savedb();
+    }
+    _setItem(key: string, data: string): void
+    {
+        if(this.db[key]==null)this._len++;
+        this.db[key]=data;
+        Object.defineProperty(this as any,key, {
+            get: function(){
+                return this.db[key];
+            },
+            enumerable: true,
+            configurable: true
+        });
+
+    }
+    setItem(key: string, data: string): void {
+        this._setItem(key,data);
+        this.savedb();
+    }
+    
+    constructor() {
+        //Object.observe(this,this.onChange.bind(this));
+    }
+    /**
+     * 根据url来创建一个。在window初始化的时候做。
+     */
+    create(url: string):Storage {
+        url=location.fullpath;
+        if (location.protocol=="file:") {
+            this.filename = url.substring(8).replace(/:/g, '_').replace(/[\\\/]/g, '__')
+            this.fileNamePre=this.storagePath + '/'+this.filename;
+        } else{
+            this.fileNamePre=this.storagePath + '/'+url.split('/')[2].replace(':', '_');
+        }
+        this.filename =  this.fileNamePre + '.txt';
+        var strdb = readFileSync(this.filename, 'utf8') || '{}';
+        var db = JSON.parse(strdb);
+        for(var v in db){
+            this._setItem(v,db[v]);
+        }
+        return this;
+    }
+    onChange(changes) {
+        if (changes && changes.length) {
+            //save
+        }
+    }
+    clear() {
+        this.db = {};
+        this.savedb();
+    }
+    savedb() {
+        writeStrFileSync(this.filename, JSON.stringify(this.db));
+    }
+}
+window["Storage"]=Storage;
+class WindowLocalStorage {
+    localStorage = new Storage();
+}
+
+class WindowSessionStorage  {
+    getItem(i:string)
+    {
+        return this[i]||null;
+    }
+    setItem(i:string,b:Object)
+    {
+        this[i]=b;
+    }
+    
+    //todo  sessionStorage 
+}
+
+window.loadLocalStorage = function( url ):Storage{
+     return new Storage().create(url);
+};
+
+
+class _Cookie{
+    key:string;
+    value:string;
+    domain:string;
+    expires:Date;
+    static cookies:Array<_Cookie>=[];
+    static sreg:RegExp=new RegExp("([^=]*)\\s*=\\s*([^;]*)\\s*;\\s*(expires\\s*=\\s*(.{23,26}GMT)|)");
+    
+    constructor(){
+        this.domain="";
+    }
+
+    static addCookie(s:string):_Cookie{
+       var result= _Cookie.sreg.exec(s);
+       if(result==null){
+           console.warn("设置cookie无效");
+           return null;
+       }
+       else{
+           var temp:_Cookie=new _Cookie();
+           temp.key=result[1];
+           temp.value=result[2];
+           if(result[4]){
+             temp.expires=new Date(result[4]);
+           }
+           return temp;
+       }
+    }
+      
+    static pushCookie(c:_Cookie):boolean{
+        //TO-DO
+        if(!c.isValid())return false;
+        for(var i:number=0,len:number=_Cookie.cookies.length;i<len;i++)
+        {
+            var temp:_Cookie=_Cookie.cookies[i];
+            if(temp.key==c.key){
+                _Cookie.cookies[i]=c;
+                return true;
+            }
+        }
+        _Cookie.cookies.push(c);
+        return true;
+    } 
+    
+    static flush():void
+    {
+        writeStrFileSync(document._cookiePath,_Cookie.getString("in","\""));
+    }
+    
+    static getString(type:string,joinstr:string):string{
+        var a:Array<string>=[];
+        for(var i:number=0,len:number=_Cookie.cookies.length;i<len;i++)
+        {
+            var temp:_Cookie=_Cookie.cookies[i];
+            if(temp.isValid()){
+                a.push(temp.toLocalString(type));
+            }
+            else{
+                _Cookie.cookies.slice(i,1);
+                i--;
+                len--;
+            }
+        }
+        return a.join(joinstr);
+    }
+    
+    static toLocalString():string{
+       return _Cookie.getString("out","; ");
+    }
+
+  
+    isValid():boolean{
+       if(this.expires&&(this.expires.getTime()<Date.now())){
+           return false;
+       }
+       return true;
+    }
+    
+    static init(s:string){
+        if(s)
+        {
+            var temp:Array<string>=s.split("\"");
+            for(var i:number=0,len:number=temp.length;i<len;i++){
+                 var t:_Cookie= _Cookie.addCookie(temp[i]);
+                 console.warn(">>>>>>>>>>addCookie"+temp[i]);
+                 if(t)
+                 {
+                     t.value=decodeURIComponent(t.value);
+                     t.domain=decodeURIComponent(t.domain);
+                 }
+                 _Cookie.pushCookie(t);   
+            }
+        }
+    }
+    
+    toLocalString(type:string):string{
+        switch (type) {
+            case "in":
+                return this.key+"="+encodeURIComponent(this.value)+"; expires="+this.expires.toGMTString()+"; domain="+encodeURIComponent(this.domain);
+            case "out":
+                return this.key+"="+this.value;
+            default:
+                return null;
+        }
+    }
+}