407 lines
11 KiB
JavaScript
407 lines
11 KiB
JavaScript
var path = require('path');
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var fs = require('fs');
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var debug = require('debug')('ff:tcrud:config:registry');
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var configUtil = require('./config-util');
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var mod = (function () {
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var phaseInit = true;
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var phaseConfig = false;
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var phaseServer = false;
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var phaseServerUp = false;
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// Master template for plugins.
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this.masterTemplates = {
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masterTFieldTemplate: {},
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masterTFieldTHelp: {},
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masterTEntityTemplate: {},
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masterTEntityTHelp: {},
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masterTViewTemplate: {},
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masterTViewTHelp: {}
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};
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// Master config of tcrud
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this.masterConfig = {
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rootTEntity: null,
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rootTMenu: {},
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plugins: [],
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backends: {},
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validators: {},
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clientResources: {
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js: [],
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css: [],
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dss: []
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}
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};
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this.pluginKeysAllowed = [
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'configPlugin',
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'configTemplate',
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'configServer',
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'configApi',
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'configApiTListExport',
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'configApiTCreateExport',
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'configApiTReadExport',
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'configApiTEditExport',
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'configApiTDeleteExport',
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'configApiTCountExport',
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'configPostBoot',
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'fillTEntity',
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'fillTField',
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'fillTView',
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'createBackend',
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'key','dbModule','client','query','conn'];
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var mergeMaster = function(objectDest,pluginKey) {
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return function(objectSrc) {
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//console.log('mergeMasterSrc:'+JSON.stringify(objectSrc));
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//console.log('mergeMasterDst:'+JSON.stringify(objectDest));
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var resPre = {keys: 0,values: 0};
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configUtil.countTree(objectDest,resPre);
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configUtil.copyByTemplate('',objectDest,objectSrc,objectSrc);
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var resPost = {keys: 0,values: 0};
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configUtil.countTree(objectDest,resPost);
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// TODO: check pre+post counters so first 2 arrays grow equal !
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debug('mergeMaster'
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+' start: '+resPre.keys+' -> '+resPre.values
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+' end: '+resPost.keys+' -> '+resPost.values
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+' diff: '+(resPost.keys-resPre.keys)+' -> '+(resPost.values-resPre.values)
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+' plugin: '+pluginKey);
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}
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};
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var tentityMergeDown = function(prefix,objectDest,objectSrc) {
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var keys = Object.keys(objectSrc);
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for (var i = 0; i < keys.length; i++) {
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var key = keys[i];
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var value = objectSrc[key];
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if (!value) {
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//console.log(prefix+'.'+key+' src object has no value.');
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continue; // no src value
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}
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if (!objectDest[key]) {
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objectDest[key] = configUtil.clone(value);
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} else if (typeof value === 'object') {
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if (key === 'tchilds') {
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continue;
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}
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//console.log(prefix+'.'+key+' going deeper');
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tentityMergeDown(prefix+'.'+key,objectDest[key],value)
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}
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}
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};
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var tentityFillTree = function(parent) {
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debug('tentityFillTree.tid: %s',parent.tid);
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for (var key in parent.tmeta.tfields) {
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pluginCall('fillTField',{
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filterValue: function(a,b,c,d) {return configUtil.filterValue(a,b,c,d);},
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tfield: parent.tmeta.tfields[key]
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});
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}
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for (var i = 0; i < parent.tchilds.length; i++) {
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var child = parent.tchilds[i];
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tentityMergeDown('',child,parent);
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tentityFillTree(child);
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}
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pluginCall('fillTEntity',{
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filterValue: function(a,b,c,d) {return configUtil.filterValue(a,b,c,d);},
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tentity: parent
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});
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};
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var pluginCall = function(fnName,ctx,afterPluginCb) {
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var startTime = new Date().getTime();
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var callCount = 0;
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var keys = Object.keys(masterConfig.plugins);
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for (var i = 0; i < keys.length; i++) {
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var pluginKey = keys[i];
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var plugin = masterConfig.plugins[pluginKey];
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if (plugin.tenable === false) {
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continue;
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}
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ctx.tplugin = plugin;
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if (plugin[fnName]) {
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var result = plugin[fnName](ctx);
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callCount++;
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if (afterPluginCb !== undefined) {
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afterPluginCb(plugin, result);
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}
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}
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}
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debug('pluginCall.function: %s done %s plugins in %s ms.',fnName,callCount,(new Date().getTime()-startTime));
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};
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var assertPhaseInit = function() {
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if (!phaseInit) {
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throw Error('Not in init phase.')
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}
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};
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var assertPhaseConfig = function() {
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if (!phaseConfig) {
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throw Error('Not in config phase.')
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}
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};
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var assertPhaseServer = function() {
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if (!phaseServer) {
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throw Error('Not in server phase.')
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}
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};
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var assertPhaseServerUp = function() {
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if (!phaseServerUp) {
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throw Error('Not in serverUp phase.')
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}
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};
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var pluginLoad = function(plugin) {
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assertPhaseInit();
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if (plugin === undefined) {
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throw new Error('No object given');
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}
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if (plugin.configPlugin === undefined) {
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throw new Error('Object is not a plugin: Missing configPlugin()');
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}
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// run config to have key
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var ctx = {
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key: null,
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description: null,
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dependencies: [],
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localDir: null,
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localConfigTemplate: null
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}
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plugin.configPlugin(ctx);
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if (ctx.key === null) {
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throw new Error('Plugin does not provide pluginKey.');
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}
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// Validate plugin before injection
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for (var objectKey in plugin) {
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if (objectKey.charAt(0) === '_') {
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continue; // tmp
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}
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if (pluginKeysAllowed.indexOf(objectKey) !== -1) {
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continue;
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}
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throw new Error('Illegal plugin objectKey: '+objectKey+' plugin: '+plugin);
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}
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plugin['tmeta'] = ctx;
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plugin['troutes'] = [];
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plugin['tenable'] = false;
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if (ctx.localConfigTemplate) {
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var pluginJsonFile = path.join(ctx.localDir,ctx.localConfigTemplate);
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var pluginJsonTemplate = fs.readFileSync(pluginJsonFile, 'utf8');
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plugin['configTemplateLocal'] = function (ctx) {
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debug('configTemplateLocal file %s',pluginJsonFile);
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ctx.mergeMaster(JSON.parse(pluginJsonTemplate));
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};
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debugPostfix = ' localConfigTemplate:\t'+pluginJsonFile;
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}
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//masterConfig.plugins[plugin.tmeta.key]=plugin;
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masterConfig.plugins.push(plugin);
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debug('pluginLoad %s',plugin.tmeta.key);
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};
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var pluginLoadTree = function (plugins) {
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var keys = Object.keys(plugins);
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var result = [];
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for (var i = 0; i < keys.length; i++) {
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var key = keys[i];
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var value = plugins[key];
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if (typeof value === 'function') {
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pluginLoad(new value());
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} else {
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pluginLoadTree(value);
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}
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}
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};
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var pluginEnable = function(pluginFilter, value) {
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assertPhaseInit();
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if (pluginFilter === undefined) {
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throw new Error('No pluginKey given');
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}
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if (value === undefined) {
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value = true;
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}
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var keys = Object.keys(masterConfig.plugins);
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for (var i = 0; i < keys.length; i++) {
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var pluginIdx = keys[i];
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var plugin = masterConfig.plugins[pluginIdx];
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var pluginKey = plugin.tmeta.key;
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if (pluginKey.match(pluginFilter)) {
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debug('pluginEnable plugin: '+pluginKey+' value: '+value);
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plugin.tenable = value;
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}
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}
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};
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var pluginIndexOf = function(checkKey) {
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var keys = Object.keys(masterConfig.plugins);
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for (var i = 0; i < keys.length; i++) {
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var pluginKey = keys[i];
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var plugin = masterConfig.plugins[pluginKey];
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if (plugin.tmeta.key === checkKey) {
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return i;
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}
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}
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return -1;
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}
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var pluginOrder = function() {
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var keys = Object.keys(masterConfig.plugins);
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for (var pluginId = 0; pluginId < keys.length; pluginId++) {
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var pluginKey = keys[pluginId];
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var plugin = masterConfig.plugins[pluginKey];
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if (plugin.tmeta.dependencies.length === 0) {
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continue;
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}
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for (var depId in plugin.tmeta.dependencies) {
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var dep = plugin.tmeta.dependencies[depId];
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var depIdx = pluginIndexOf(dep);
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if (depIdx === -1) {
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throw new Error('Missing plugin: '+dep+' requested by: '+plugin.tmeta.key);
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}
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if (depIdx < pluginId) {
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continue;
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}
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debug('pluginOrder dependency move: '+dep+' before: '+plugin.tmeta.key);
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var depMove = masterConfig.plugins[depIdx];
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var oldPlugins = masterConfig.plugins;
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var newPlugins = [];
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newPlugins = oldPlugins.slice(0,pluginId);
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newPlugins.push(depMove);
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newPlugins = newPlugins.concat(oldPlugins.slice(pluginId,depIdx));
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newPlugins = newPlugins.concat(oldPlugins.slice(depIdx+1));
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masterConfig.plugins = newPlugins;
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return false;
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}
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}
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return true;
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}
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return function ConfigRegistry() {
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this.assertPhaseInit = assertPhaseInit;
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this.assertPhaseConfig = assertPhaseConfig;
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this.assertPhaseServer = assertPhaseServer;
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this.assertPhaseServerUp = assertPhaseServerUp;
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this.pluginCall = pluginCall;
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this.pluginLoad = pluginLoad;
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this.pluginLoadTree = pluginLoadTree;
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this.pluginEnable = pluginEnable;
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this.phaseNext = function() {
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if (phaseInit) {
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debug('phaseNext init->config');
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phaseInit = false;
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phaseConfig = true;
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debug('pluginOrder start');
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while (!pluginOrder()) {
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}
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debug('pluginOrder done');
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var ctx = {
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mergeMaster: function(template) {
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mergeMaster(masterTemplates,ctx.tplugin.tmeta.key)(template);
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}
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};
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pluginCall('configTemplate',ctx);
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pluginCall('configTemplateLocal',ctx);
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pluginCall('createBackend',{},function (plugin,backend) {
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masterConfig.backends[backend.getKey()]=backend;
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debug('createBackend: %s',backend.getKey());
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});
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} else if (phaseConfig) {
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debug('phaseNext config->server');
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phaseConfig = false;
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phaseServer = true;
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tentityFillTree(masterConfig.rootTEntity);
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} else if (phaseServer) {
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debug('phaseNext server->serverUp');
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phaseServer = false;
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phaseServerUp = true;
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} else if (phaseServerUp) {
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debug('phaseNext serverUp->done');
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phaseServerUp = false;
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} else {
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throw new Error('All phases are done.');
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}
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};
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this.getRootTEntity = function() {
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if (masterConfig.rootTEntity === null) {
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masterConfig.rootTEntity = configUtil.clone(masterTemplates.masterTEntityTemplate);
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masterConfig.rootTEntity.tid = 'root';
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debug('getRootTEntity.created');
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}
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return masterConfig.rootTEntity;
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};
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this.getMasterTemplates = function() {
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return masterTemplates;
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};
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this.getMasterConfig = function() {
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return masterConfig;
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}
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this.registrateClientResource = function(clientResource, resourceType) {
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if (clientResource === undefined) {
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throw new Error('No resource provided');
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}
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if (resourceType === undefined) {
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throw new Error('No resource provided');
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}
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debug('registrateClientResource: '+clientResource+' type: '+resourceType);
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masterConfig.clientResources[resourceType].push(clientResource);
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};
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this.createClientResourceFetchList = function() {
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var fetchList = [];
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var serverUrl = "http://localhost:8080";
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for (var clientResourceIdx in masterConfig.clientResources.js) {
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var url = serverUrl + masterConfig.clientResources.js[clientResourceIdx];
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fetchList.push({url:url,type:'js'});
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}
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for (var clientResourceIdx in masterConfig.clientResources.css) {
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var url = serverUrl + masterConfig.clientResources.css[clientResourceIdx];
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fetchList.push({url:url,type:'css'});
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}
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for (var clientResourceIdx in masterConfig.clientResources.dss) {
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var url = serverUrl + masterConfig.clientResources.dss[clientResourceIdx];
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fetchList.push({url:url,type:'dss'});
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}
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return fetchList;
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};
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};
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})();
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module.exports = new mod();
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