
【主 题】:不从配置文件远端获取 ArduinoJson库 添加到根目录调用 【描 述】: [原因]:防止版本不同 造成bug [过程]: [影响]: 【结 束】 # 类型 包含: # feat:新功能(feature) # fix:修补bug # docs:文档(documentation) # style: 格式(不影响代码运行的变动) # refactor:重构(即不是新增功能,也不是修改bug的代码变动) # test:增加测试 # chore:构建过程或辅助工具的变动
70 lines
1.3 KiB
C++
70 lines
1.3 KiB
C++
// ArduinoJson - https://arduinojson.org
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// Copyright © 2014-2022, Benoit BLANCHON
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// MIT License
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#pragma once
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#include <string>
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// Reproduces Arduino's String class
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class String {
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public:
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String() : _maxCapacity(1024) {}
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explicit String(const char* s) : _str(s), _maxCapacity(1024) {}
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void limitCapacityTo(size_t maxCapacity) {
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_maxCapacity = maxCapacity;
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}
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unsigned char concat(const char* s) {
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return concat(s, strlen(s));
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}
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size_t length() const {
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return _str.size();
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}
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const char* c_str() const {
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return _str.c_str();
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}
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bool operator==(const char* s) const {
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return _str == s;
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}
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String& operator=(const char* s) {
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_str.assign(s);
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return *this;
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}
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char operator[](unsigned int index) const {
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if (index >= _str.size())
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return 0;
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return _str[index];
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}
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friend std::ostream& operator<<(std::ostream& lhs, const ::String& rhs) {
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lhs << rhs._str;
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return lhs;
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}
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protected:
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// This function is protected in most Arduino cores
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unsigned char concat(const char* s, size_t n) {
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if (_str.size() + n > _maxCapacity)
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return 0;
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_str.append(s, n);
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return 1;
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}
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private:
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std::string _str;
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size_t _maxCapacity;
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};
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class StringSumHelper;
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inline bool operator==(const std::string& lhs, const ::String& rhs) {
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return lhs == rhs.c_str();
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}
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