tokenize分割字符串到vector容器中

常用工具，可以将形如  1#2#4样式的字符串转换存到vector中

#include
#include
#include
#include"stdlib.h"
using namespace std;
typedef __int32 sint32;

#define stlforeach(type,iter,contain) type::iterator iter; for(iter=(contain).begin();iter!=(contain).end();++iter)
void tokenize ( const std::string& str, std::vector& result,
				   const std::string& delimiters, const std::string& delimiters_preserve,
				   const std::string& quote, const std::string& esc )
	{
		// clear the std::vector
		if ( false == result.empty() )
		{
			result.clear();
		}

		std::string::size_type pos = 0; // the current position (char) in the std::string
		char ch = 0; // buffer for the current character
		char delimiter = 0;    // the buffer for the delimiter char which
								// will be added to the tokens if the delimiter
								// is preserved
		char current_quote = 0; // the char of the current open quote
		bool quoted = false; // indicator if there is an open quote
		std::string token;  // std::string buffer for the token
		bool token_complete = false; // indicates if the current token is
									 // read to be added to the result std::vector
		std::string::size_type len = str.length();  // length of the input-std::string

		// for every char in the input-std::string
		while ( len > pos )
		{
			// get the character of the std::string and reset the delimiter buffer
			ch = str.at(pos);
			delimiter = 0;

			// assume ch isn't a delimiter
			bool add_char = true;

			// check ...

			// ... if the delimiter is an escaped character
			bool escaped = false; // indicates if the next char is protected
			if ( false == esc.empty() ) // check if esc-chars are  provided
			{
				if ( std::string::npos != esc.find_first_of(ch) )
				{
					// get the escaped char
					++pos;
					if ( pos < len ) // if there are more chars left
					{
						// get the next one
						ch = str.at(pos);

						// add the escaped character to the token
						add_char = true;
					}
					else // cannot get any more characters
					{
						// don't add the esc-char
						add_char = false;
					}

					// ignore the remaining delimiter checks
					escaped = true;
				}
			}

			// ... if the delimiter is a quote
			if ( false == quote.empty() && false == escaped )
			{
				// if quote chars are provided and the char isn't protected
				if ( std::string::npos != quote.find_first_of(ch) )
				{
					// if not quoted, set state to open quote and set
					// the quote character
					if ( false == quoted )
					{
						quoted = true;
						current_quote = ch;

						// don't add the quote-char to the token
						add_char = false;
					}
					else // if quote is open already
					{
						// check if it is the matching character to close it
						if ( current_quote == ch )
						{
							if(token.length() == 0)
								token.push_back('\0');

							// close quote and reset the quote character
							quoted = false;
							current_quote = 0;

							// don't add the quote-char to the token
							add_char = false;
						}
					} // else
				}
			}

			// ... if the delimiter isn't preserved
			if ( false == delimiters.empty() && false == escaped &&
				 false == quoted )
			{
				// if a delimiter is provided and the char isn't protected by
				// quote or escape char
				if ( std::string::npos != delimiters.find_first_of(ch) )
				{
					// if ch is a delimiter and the token std::string isn't empty
					// the token is complete
					if ( false == token.empty() ) // BUGFIX: 2006-03-04
					{
						token_complete = true;
					}

					// don't add the delimiter to the token
					add_char = false;
				}
			}

			// ... if the delimiter is preserved - add it as a token
			bool add_delimiter = false;
			if ( false == delimiters_preserve.empty() && false == escaped &&
				 false == quoted )
			{
				// if a delimiter which will be preserved is provided and the
				// char isn't protected by quote or escape char
				if ( std::string::npos != delimiters_preserve.find_first_of(ch) )
				{
					// if ch is a delimiter and the token std::string isn't empty
					// the token is complete
					if ( false == token.empty() ) // BUGFIX: 2006-03-04
					{
						token_complete = true;
					}

					// don't add the delimiter to the token
					add_char = false;

					// add the delimiter
					delimiter = ch;
					add_delimiter = true;
				}
			}


			// add the character to the token
			if ( true == add_char )
			{
				// add the current char
				token.push_back( ch );
			}

			// add the token if it is complete
			if ( true == token_complete && false == token.empty() )
			{
				// add the token std::string
				result.push_back( token );

				// clear the contents
				token.clear();

				// build the next token
				token_complete = false;
			}

			// add the delimiter
			if ( true == add_delimiter )
			{
				// the next token is the delimiter
				std::string delim_token;
				delim_token.push_back( delimiter );
				result.push_back( delim_token );

				// REMOVED: 2006-03-04, Bugfix
			}

			// repeat for the next character
			++pos;
		} // while

		// add the final token
		if ( false == token.empty() )
		{
			result.push_back( token );
		}
	}
	
void tokenize ( const std::string& str, std::vector& result,
		const std::string& delimiters, const std::string& delimiters_preserve="",
		const std::string& quote="\"", const std::string& esc="\\" )
{
		std::vector vecstr;
		tokenize(str,vecstr,delimiters,delimiters_preserve,quote,esc);

		for (size_t i = 0; i < vecstr.size(); ++i)
		{
			std::string& str = vecstr[i];
			result.push_back(atoi(str.c_str()));
		}
}


int main()
{
	stringstream ss;
	for(int i=0;i<3;i++)
	{
		if(0!=i)
		ss<<"#";
		ss< result;
    
    
	tokenize(str,result,"#");
	stlforeach(vector,iter,result)
	{
		cout<<*iter<