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71 lines
1.5 KiB
71 lines
1.5 KiB
//
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// Created by lenfrex on 2022/4/4.
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//
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#ifndef WORK20220401_STRING_H
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#define WORK20220401_STRING_H
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#include <iostream>
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#include <string>
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#include "utility"
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using namespace std::rel_ops;
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class String {
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private:
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// 字符数组做字符串
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char *data = nullptr;
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// 字符串实际长度
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int length = 0;
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// 已分配的字符数量
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int allocSize = 0;
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void copyData(const char *source, int sourceLength);
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bool equals(const char *source, int sourceLength) const;
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void addString(const char *source, int sourceLength);
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public:
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explicit String(int size);
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String(const char *data, int length);
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explicit String(const char *source);
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String(const String &source);
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String();
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~String();
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bool operator==(const String &source) const;
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bool operator==(const char *source) const;
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bool operator>(const String &compareString) const;
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String &operator+=(const String &source);
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String &operator+=(const char *source);
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String &operator=(const String &source);
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String &operator=(const char *source);
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String operator+(const char *source);
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String operator+(const String &source);
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friend std::ostream &operator<<(std::ostream &outputStream, const String &source);
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friend std::istream &operator>>(std::istream &outputStream, String &source);
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char &operator[](int i);
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int Length() const;
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};
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#endif //WORK20220401_STRING_H
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