123 lines
2.1 KiB
C++
123 lines
2.1 KiB
C++
#include "Type.h"
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#include "Buffer.h"
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#include "SString.h"
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#include "List.h"
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#include "Dictionary.h"
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IDictionary::IDictionary(IComparer comparer)
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{
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_Keys.Comparer = comparer;
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}
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IDictionary::IDictionary(const IDictionary& dic)
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{
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operator=(dic);
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}
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IDictionary::IDictionary(IDictionary&& dic)
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{
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move(dic);
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}
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IDictionary& IDictionary::operator=(const IDictionary& dic)
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{
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_Keys = dic._Keys;
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_Values = dic._Values;
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return *this;
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}
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IDictionary& IDictionary::operator=(IDictionary&& dic)
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{
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move(dic);
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return *this;
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}
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void IDictionary::move(IDictionary& dic)
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{
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_Keys = dic._Keys;
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_Values = dic._Values;
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}
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//int IDictionary::Count() const { return _Keys.Count(); }
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//const IList& IDictionary::Keys() const { return _Keys; }
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//const IList& IDictionary::Values() const { return _Values; }
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// 添加单个元素
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void IDictionary::Add(PKey key, void* value)
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{
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// 判断一下，如果已存在，则覆盖
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int idx = _Keys.FindIndex(key);
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if(idx >= 0)
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{
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_Values[idx] = value;
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}
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else
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{
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_Keys.Add((void*)key);
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_Values.Add(value);
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}
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}
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// 删除指定元素
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void IDictionary::Remove(PKey key)
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{
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int idx = _Keys.Remove(key);
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if(idx >= 0) _Values.RemoveAt(idx);
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}
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void IDictionary::Clear()
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{
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_Keys.Clear();
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_Values.Clear();
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}
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// 是否包含指定项
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bool IDictionary::ContainKey(PKey key) const
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{
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return _Keys.FindIndex(key) >= 0;
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}
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// 尝试获取值
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bool IDictionary::TryGetValue(PKey key, void*& value) const
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{
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int idx = _Keys.FindIndex(key);
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if(idx < 0) return false;
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value = _Values[idx];
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return true;
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}
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// 重载索引运算符[]，返回指定元素的第一个
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void* IDictionary::operator[](PKey key) const
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{
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int idx = _Keys.FindIndex(key);
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if(idx < 0) return nullptr;
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return _Values[idx];
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}
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void*& IDictionary::operator[](PKey key)
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{
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int idx = _Keys.FindIndex(key);
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if(idx < 0)
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{
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static void* dummy;
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return dummy;
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}
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return _Values[idx];
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}
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const String IDictionary::GetString(PKey key) const
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{
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void* p = nullptr;
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TryGetValue(key, p);
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return String((cstring)p);
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}
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