【原文件】tinystr.cpp
2015-07-30 15:55
423 查看
/* www.sourceforge.net/projects/tinyxml This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. */ #include "stdafx.h" #ifndef TIXML_USE_STL #include "tinystr.h" // Error value for find primitive const TiXmlString::size_type TiXmlString::npos = static_cast< TiXmlString::size_type >(-1); // Null rep. TiXmlString::Rep TiXmlString::nullrep_ = { 0, 0, { '\0' } }; void TiXmlString::reserve (size_type cap) { if (cap > capacity()) { TiXmlString tmp; tmp.init(length(), cap); memcpy(tmp.start(), data(), length()); swap(tmp); } } TiXmlString& TiXmlString::assign(const char* str, size_type len) { size_type cap = capacity(); if (len > cap || cap > 3*(len + 8)) { TiXmlString tmp; tmp.init(len); memcpy(tmp.start(), str, len); swap(tmp); } else { memmove(start(), str, len); set_size(len); } return *this; } TiXmlString& TiXmlString::append(const char* str, size_type len) { size_type newsize = length() + len; if (newsize > capacity()) { reserve (newsize + capacity()); } memmove(finish(), str, len); set_size(newsize); return *this; } TiXmlString operator + (const TiXmlString & a, const TiXmlString & b) { TiXmlString tmp; tmp.reserve(a.length() + b.length()); tmp += a; tmp += b; return tmp; } TiXmlString operator + (const TiXmlString & a, const char* b) { TiXmlString tmp; TiXmlString::size_type b_len = static_cast<TiXmlString::size_type>( strlen(b) ); tmp.reserve(a.length() + b_len); tmp += a; tmp.append(b, b_len); return tmp; } TiXmlString operator + (const char* a, const TiXmlString & b) { TiXmlString tmp; TiXmlString::size_type a_len = static_cast<TiXmlString::size_type>( strlen(a) ); tmp.reserve(a_len + b.length()); tmp.append(a, a_len); tmp += b; return tmp; } #endif // TIXML_USE_STL
相关文章推荐
- 指针与数组的对比(——选自:C++内存管理技术内幕)
- 牛人十个月自学C++ 现在做C#开发工作
- C++学习笔记(五)
- C++学习笔记(四)
- 黑马程序员--C语言-指针函数及应用
- c++中容器之总结篇
- c++之string类编写
- C/C++中volatile关键字详解
- C++学习笔记(三)
- C++学习笔记(二)
- 【effective c++读书笔记】【第2章】构造/析构/赋值运算(1)
- 【effective c++读书笔记】【第2章】构造/析构/赋值运算(1)
- C语言中控制台应用程序中空格的输出。编译环境:vs2010
- c语言实现几种排序算法OC实现
- 【C语言探索之旅】 第二部分第十课:练习题和习作
- 【语言-c++】map的使用
- C++学习笔记(一)
- 读书笔记MoreEffectiveC++(31)
- C语言程序的构成
- 关于C语言中的运算符