强大稳定的字符串分割 C++ 类：StringSpliter

/* string_spliter.h */    #pragma once  #ifndef STRING_SPLITER_H  #define STRING_SPLITER_H    class StringSpliter {  public:      enum {EMPTIES_OK = 0, NO_EMPTIES};    public:      StringSpliter(const char* str, const char* delimiters, int empties = StringSpliter::EMPTIES_OK);      ~StringSpliter();      const char* Next();    private:      char*       m_string;      const char* m_delimiters;      char*       m_current;      char*       m_next;      bool        m_is_ignore_empties;  };    #endif

/* string_spliter.cpp */    #include <string>  #include "string_spliter.h"    StringSpliter::StringSpliter(const char* str, const char* delimiters, int empties)  {      if (str && delimiters) {          size_t n = strlen(str) + 1;          char  *p = (char*)malloc(n);          if (p) {              this->m_string = (char*)memcpy(p, str, n);          } else {              this->m_string = NULL;          }      } else {          this->m_string = NULL;      }      this->m_delimiters        = delimiters;      this->m_current           = NULL;      this->m_next              = this->m_string;      this->m_is_ignore_empties = (empties != StringSpliter::EMPTIES_OK);  }    StringSpliter::~StringSpliter()  {      free(this->m_string);      this->m_string = NULL;  }    const char* StringSpliter::Next()  {      if (!this->m_string || !this->m_next) {          return NULL;      }        this->m_current = this->m_next;      this->m_next = strpbrk(this->m_current, this->m_delimiters);        if (this->m_next) {          *(this->m_next) = '\0';          this->m_next += 1;          if (this->m_is_ignore_empties) {              this->m_next += strspn(this->m_next, this->m_delimiters);              if (!(*(this->m_current))) {                  return this->Next();              }          }      } else if (this->m_is_ignore_empties && !(*(this->m_current))) {          return NULL;      }        return this->m_current;  }