thinkjs/lib/Lib/Core/Think.js

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var fs = require('fs');
var cluster = require('cluster');
//自动加载进行识别的路径
var autoloadPaths = {};
/**
* [exports description]
* @type {Object}
*/
module.exports = {
/**
* [run description]
* @return {[type]} [description]
*/
run: function(){
'use strict';
this.init();
//加载文件
this.loadFiles();
//合并自动加载的路径
this.mergeAutoloadPath();
//thinkRequire的autoload
registerAutoload(this.autoload);
//debug模式
if (APP_DEBUG) {
this.debug();
}else{
this.processEvent();
//记录日志
this.log();
}
//记录进程的id
this.logPid();
},
/**
* 定义一些目录,加载框架的基础文件
* @return {[type]} [description]
*/
init: function(){
'use strict';
//系统路径设置
global.THINK_LIB_PATH = THINK_PATH + '/Lib';
global.THINK_EXTEND_PATH = THINK_LIB_PATH + '/Extend';
//应用路径设置
var config = {
COMMON_PATH: APP_PATH + '/Common',
LIB_PATH: APP_PATH + '/Lib',
CONF_PATH: APP_PATH + '/Conf',
LANG_PATH: APP_PATH + '/Lang',
VIEW_PATH: APP_PATH + '/View',
//HTML_PATH: RUNTIME_PATH + '/Html',
LOG_PATH: RUNTIME_PATH + '/Log',
TEMP_PATH: RUNTIME_PATH + '/Temp',
DATA_PATH: RUNTIME_PATH + '/Data',
CACHE_PATH: RUNTIME_PATH + '/Cache'
};
for (var name in config) {
if (global[name] === undefined) {
global[name] = config[name];
}
}
require(THINK_PATH + '/Common/extend.js');
require(THINK_PATH + '/Common/common.js');
require(THINK_PATH + '/Common/function.js');
//别名导入
aliasImport(require(THINK_PATH + '/Conf/alias.js'));
},
/**
* 记录日志
* @return {[type]} [description]
*/
log: function(){
'use strict';
if (C('log_console')) {
thinkRequire('Log')(C('log_console_path')).console();
}
if (C('log_memory')) {
thinkRequire('Log')(C('log_memory_path')).memory();
}
},
/**
* 安全方式加载文件
* @param {[type]} file [description]
* @return {[type]} [description]
*/
safeRequire: function(file){
'use strict';
try{
return require(file);
}catch(e){
if (APP_DEBUG) {
console.error(e.stack);
}
}
return {};
},
/**
* 注册异常处理
* @return {[type]} [description]
*/
processEvent: function(){
'use strict';
process.on('uncaughtException', function(err) {
console.error(isError(err) ? err.stack : err);
});
},
/**
* 加载项目下对应的文件
* @return {[type]} [description]
*/
loadFiles: function(){
'use strict';
C(null); //移除之前的所有配置
//加载系统默认配置
C(require(THINK_PATH + '/Conf/config.js'));
//加载用户配置
var file = CONF_PATH + '/config.js';
if (isFile(file)) {
C(this.safeRequire(file));
}
//加载模式的配置文件
if (APP_MODE) {
var modeFiles = [
THINK_PATH + '/Conf/mode.js',
CONF_PATH + '/mode.js'
];
var self = this;
modeFiles.forEach(function(file){
if (!isFile(file)) {
return;
}
var conf = self.safeRequire(file);
if (conf[APP_MODE]) {
C(conf[APP_MODE]);
}
});
}
//自定义路由
if (C('url_route_on') && isFile(CONF_PATH + '/route.js')) {
C('url_route_rules', this.safeRequire(CONF_PATH + '/route.js'));
}
//别名文件
if (isFile(CONF_PATH + '/alias.js')) {
aliasImport(this.safeRequire(CONF_PATH + '/alias.js'));
}
//common文件
if (isFile(COMMON_PATH + '/common.js')) {
require(COMMON_PATH + '/common.js');
}
this.loadTag();
this.loadExtConfig();
this.loadExtFiles();
this.parseGroupList();
},
/**
* 解析分组列表
* @return {[type]} [description]
*/
parseGroupList: function(){
'use strict';
var filePath = LIB_PATH + '/Controller';
if (!isDir(filePath)) {
var groupList = C('app_group_list').map(function(item){
return item.toLowerCase();
})
C('app_group_list', groupList);
return;
}
var dirs = fs.readdirSync(filePath);
//禁止分组列表
var denyDirs = C('deny_group_list');
if (!isEmpty(denyDirs)) {
var length = denyDirs.length;
var result = [];
dirs.forEach(function(dir){
for(var i = 0; i < length; i++){
if (dir.toLowerCase() === denyDirs[i].toLowerCase()) {
return;
}
}
result.push(dir.toLowerCase());
})
dirs = result;
}else{
dirs = dirs.map(function(item){
return item.toLowerCase();
})
}
C('app_group_list', dirs);
},
//加载标签行为
loadTag: function(){
'use strict';
//系统标签
var tag = require(THINK_PATH + '/Conf/tag.js');
//用户行为标签
var tagFile = CONF_PATH + '/tag.js';
if (!C('app_tag_on') || !isFile(tagFile)) {
C('tag', tag);
return;
}
var mixTag = extend({}, tag);
var userTag = extend({}, this.safeRequire(tagFile));
for(var key in userTag){
var value = userTag[key];
if (!value.length) {
continue;
}
mixTag[key] = mixTag[key] || [];
if (isBoolean(value[0])) {
var flag = value.shift();
if (flag) { //true为替换系统标签
mixTag[key] = value;
}else{ //false为将自定义标签置为系统标签前面
mixTag[key] = value.concat(mixTag[key]);
}
}else{// 默认将用户标签置为系统标签后面
mixTag[key] = mixTag[key].concat(value);
}
}
//行为标签
C('tag', mixTag);
},
//加载自定义外部文件
loadExtFiles: function(){
'use strict';
var files = C('load_ext_file');
if (!isEmpty(files)) {
if (isString(files)) {
files = files.split(',');
}
var self = this;
files.forEach(function(file){
file = COMMON_PATH + '/' + file + '.js';
self.safeRequire(file);
});
}
},
//加载额外的配置
loadExtConfig: function(){
'use strict';
var files = C('load_ext_config');
if (!isEmpty(files)) {
if (isString(files)) {
files = files.split(',');
}
var self = this;
files.forEach(function(file){
file = CONF_PATH + '/' + file + '.js';
C(self.safeRequire(file));
});
}
},
//加载debug模式配置文件
loadDebugFiles: function(){
'use strict';
//加载debug模式下的配置
C(require(THINK_PATH + '/Conf/debug.js'));
var debugFile = CONF_PATH + '/debug.js';
if (isFile(debugFile)) {
C(this.safeRequire(debugFile));
}
if (APP_MODE) {
var modeFiles = [
THINK_PATH + '/Conf/mode.js',
CONF_PATH + '/mode.js'
];
var self = this;
modeFiles.forEach(function(file){
if (!isFile(file)) {
return;
}
var conf = self.safeRequire(file);
var key = APP_MODE + '_debug';
if (conf[key]) {
C(conf[key]);
}
});
}
},
/**
* debug模式下一些特殊处理
* @return {[type]} [description]
*/
debug: function(){
'use strict';
this.loadDebugFiles();
//清除require的缓存
if (C('clear_require_cache')) {
//这些文件不清除缓存
var self = this;
setInterval(function(){
var retainFiles = C('debug_retain_files');
var fn = function(item){
//windows目录定界符为\
if (process.platform === 'win32') {
item = item.replace(/\//g, '\\');
}
if (file.indexOf(item) > -1) {
return true;
}
};
for(var file in require.cache){
var flag = retainFiles.some(fn);
if (!flag) {
require.cache[file] = null;
}
}
self.loadFiles();
self.loadDebugFiles();
}, 100);
}
},
/**
* 记录当前进程的id
* 记录在Runtime/Data/app.pid文件里
* @return {[type]} [description]
*/
logPid: function(){
'use strict';
if (C('log_process_pid') && cluster.isMaster) {
mkdir(DATA_PATH);
var pidFile = DATA_PATH + '/app.pid';
fs.writeFileSync(pidFile, process.pid);
chmod(pidFile);
//进程退出时删除该文件
process.on('SIGTERM', function () {
if (fs.existsSync(pidFile)) {
fs.unlinkSync(pidFile);
}
process.exit(0);
});
}
},
/**
* 合并autoload的path
* @return {[type]} [description]
*/
mergeAutoloadPath: function(){
'use strict';
var file = '__CLASS__.js';
var sysAutoloadPath = {
'Behavior': [
LIB_PATH + '/Behavior/' + file,
THINK_LIB_PATH + '/Behavior/' + file
],
'Model': [
LIB_PATH + '/Model/' + file,
THINK_EXTEND_PATH + '/Model/' + file
],
'Logic': [
LIB_PATH + '/Logic/' + file
],
'Service': [
LIB_PATH + '/Service/' + file
],
'Controller': [
LIB_PATH + '/Controller/' + file,
THINK_EXTEND_PATH + '/Controller/' + file
],
'Cache': [
LIB_PATH + '/Driver/Cache/' + file,
THINK_LIB_PATH + '/Driver/Cache/' + file
],
'Db': [
LIB_PATH + '/Driver/Db/' + file,
THINK_LIB_PATH + '/Driver/Db/' + file
],
'Template': [
LIB_PATH + '/Driver/Template/' + file,
THINK_LIB_PATH + '/Driver/Template/' + file
],
'Socket': [
LIB_PATH + '/Driver/Socket/' + file,
THINK_LIB_PATH + '/Driver/Socket/' + file
],
'Session': [
LIB_PATH + '/Driver/Session/' + file,
THINK_LIB_PATH + '/Driver/Session/' + file
]
};
var autoloadPath = C('autoload_path');
for(var type in autoloadPath){
var paths = autoloadPath[type];
var override = false;
if (!isArray(paths)) {
paths = [paths];
}else if (isBoolean(paths[0])) {
override = paths.shift();
}
if (override) {
sysAutoloadPath[type] = paths;
}else{
paths.push.apply(paths, sysAutoloadPath[type]);
sysAutoloadPath[type] = paths;
}
}
autoloadPaths = sysAutoloadPath;
},
/**
* 自动加载机制给thinkRequire使用
* @param {[type]} cls [description]
* @return {[type]} [description]
*/
autoload: function(cls){
'use strict';
for(var name in autoloadPaths){
if (cls.substr(0 - name.length) === name) {
var list = autoloadPaths[name];
for(var i = 0, len = list.length, item; i < len; i++){
item = list[i].replace('__CLASS__', cls);
if (isFile(item)) {
return item;
}
}
}
}
}
};