landers.base/src/path.js

landers.base

; (function (window, Landers) {
    Landers = Landers || {};
    Landers.path = {
        type:function(s){
            var me = this, ret = {};
            s = s || document.location.href;
            //确定是web型的直接返回，剩下情况则是local
            if (s.indexOf('http://') === 0) ret = {name:'web', id:1};   //  绝对网络全路径
            else if (s.indexOf('/') === 0) ret = {name:'web', id:2};    //  相对网络根目录
            else if (s.indexOf('/') > 0 && s.indexOf('file:') == -1) {
                ret = {name:'web', id:3};                               //  相对网络路径
            } else ret.name = 'local';

            if(ret.name === 'local') {
                if (s.indexOf('file:')===0) ret.id = 1;                 //  绝对本地全路径
                else if (s.indexOf(':\\')===1) ret.id = 1;              //  绝对本地全路径
                else if (s.indexOf('\\')===0) ret.id = 2;               //  相对本地根目录
                else ret.id = 3;                                        //  相对本地路径
            }; return ret;
        },
        parse:function(url, field){
            if (!url) return; var me = this, type = me.type(url);
            var ret = {}; if (type.name === 'web'){
                if (type.id > 1) {
                    var parse = Landers.url.parse(document.location.href);
                    var path = type.id === 3 ? parse.dirname + '/' + url : url;
                    url = Landers.url.build(parse.protocol, parse.host, path);
                };
                ret = Landers.url.parse(url);
                ret.url = url;
            } else {
                url = url.replace('file://', '');
                url = url.replace('file:\\\\', '');
                switch(type.id){
                    case 1:
                        var f = {1:'path', 2:'root', 4:'filename',5:'basename', 6:'extname'};
                        var reg = /((.?:\\)(.*))\\((.*)\.(.*))$/, r = reg.exec(url); break;
                    case 2:
                        var f = {1:'path', 2:'filename',3:'basename', 4:'extname'};
                        var reg = /\\(.*)\\((.*)\.(.*))$/, r = reg.exec(url); break;
                    case 3:
                        var f = {1:'path', 2:'filename',3:'basename', 4:'extname'};
                        var reg = /(.*)\\((.*)\.(.*))$/, r = reg.exec(url); break;
                }
                if (r) for (var k in r) {if (f[k]===undefined) continue; ret[f[k]] = r[k]};
            }
            ret.type = type.name;
            return field ? ret[field] : ret;
        },
    };
})(this, Landers);