2011-11-17 11:17:03 +08:00
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/*
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2012-01-10 06:02:47 +08:00
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Copyright (C) 2011-2012 de4dot@gmail.com
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2011-11-17 11:17:03 +08:00
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This file is part of de4dot.
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de4dot is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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de4dot is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with de4dot. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Collections.Generic;
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2012-11-04 07:50:24 +08:00
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using dot10.DotNet.MD;
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2011-11-17 11:17:03 +08:00
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2011-12-09 16:02:06 +08:00
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namespace de4dot.code.renamer {
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2011-11-17 11:17:03 +08:00
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class ExistingNames {
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Dictionary<string, bool> allNames = new Dictionary<string, bool>(StringComparer.Ordinal);
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public void add(string name) {
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allNames[name] = true;
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}
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2011-11-21 17:36:23 +08:00
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public bool exists(string name) {
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2011-11-17 11:17:03 +08:00
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return allNames.ContainsKey(name);
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}
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2012-11-04 07:50:24 +08:00
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public string getName(UTF8String oldName, INameCreator nameCreator) {
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return getName(UTF8String.ToSystemStringOrEmpty(oldName), nameCreator);
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}
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2011-11-17 11:17:03 +08:00
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public string getName(string oldName, INameCreator nameCreator) {
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return getName(oldName, () => nameCreator.create());
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}
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2012-11-04 07:50:24 +08:00
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public string getName(UTF8String oldName, Func<string> createNewName) {
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return getName(UTF8String.ToSystemStringOrEmpty(oldName), createNewName);
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}
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2011-11-17 11:17:03 +08:00
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public string getName(string oldName, Func<string> createNewName) {
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string prevName = null;
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while (true) {
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var name = createNewName();
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if (name == prevName)
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throw new ApplicationException(string.Format("Could not rename symbol to {0}", Utils.toCsharpString(name)));
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if (!exists(name) || name == oldName) {
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allNames[name] = true;
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return name;
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}
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prevName = name;
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}
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}
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2011-11-22 15:14:34 +08:00
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public void merge(ExistingNames other) {
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foreach (var key in other.allNames.Keys)
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allNames[key] = true;
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2011-11-17 11:17:03 +08:00
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}
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}
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}
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