101 lines
2.5 KiB
JavaScript
101 lines
2.5 KiB
JavaScript
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var cloneImpl = require('clone');
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var debug = require('debug')('ff:tcrud:config:util');
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var configRegistry = require('./config-registry');
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var mod = (function () {
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var clone = function(obj) {
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return cloneImpl(obj);
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};
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var filterValuePart = function(value,replaceChar,splitChar,partFn) {
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var result = '';
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var parts = value.split(splitChar);
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for (var i = 0; i < parts.length; i++) {
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var part = parts[i];
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if (part.length > 1) {
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result += partFn(part);
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} else {
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result += part;
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}
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if (i < parts.length - 1) {
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result += replaceChar;
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}
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}
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return result;
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};
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var copyByTemplate = function(prefix,objectDest,objectSrc,copyTemplate) {
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var keys = Object.keys(copyTemplate);
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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 = objectSrc[key];
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if (value === null) {
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//debug('copyByTemplate '+prefix+'.'+key+' src object has null value.');
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objectDest[key] = null;
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continue; // no src value
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}
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var templateValue = copyTemplate[key];
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if (templateValue === null) {
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if (objectDest[key] !== null) {
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//debug('copyByTemplate '+prefix+'.'+key+' has own value: '+objectDest[key]);
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continue;
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} else {
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//debug('copyByTemplate '+prefix+'.'+key+' copy value: '+value);
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objectDest[key] = clone(value);
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}
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} else {
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if (objectDest[key] === undefined) {
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objectDest[key] = clone(templateValue);
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} else {
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//debug('copyByTemplate '+prefix+'.'+key+' going deeper');
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copyByTemplate(prefix+'.'+key,objectDest[key],value,templateValue)
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}
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}
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}
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};
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var countTree = function(obj,result) {
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if (typeof obj === 'object') {
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for (var key in obj) {
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result.keys++;
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countTree(obj[key],result)
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}
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} else {
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result.values++;
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}
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};
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return function ConfigUtil() {
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this.countTree = countTree;
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this.copyByTemplate = copyByTemplate;
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this.clone = clone;
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this.filterValue = function(value,removeChars,replaceChar,partFn) {
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var valueOrg = value;
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for (var i = 0; i < removeChars.length; i++) {
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value = filterValuePart(value,replaceChar,removeChars[i],partFn);
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}
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//debug('filterValue.result: %s from: %s',value,valueOrg);
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return value;
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};
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this.stringHash = function (str) {
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var hash = 31; // prime
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for (var i = 0; i < str.length; i++) {
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hash = ((hash<<5)-hash)+str.charCodeAt(i);
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hash = hash & hash; // keep 32b
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}
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return hash;
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};
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};
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})();
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module.exports = new mod();
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