ZSCGI——– 一个简单的C++ CGI封装
本文是继上一篇文章之后的一点深入吧~~ 学了一些关于C/C++ CGI的相关知识，为了方便使用，所以做了这个封装，由于我也是刚刚开始玩CGI，所以写的过程中难免会有所疏漏，所以希望看到这篇文章的朋友，有什么好 的建议，都可以在这里留言，我会一一回复大家的，谢谢！下面是CGI中用到的环境变量的一个定义，目前只加进去了一部分，如果要扩展，可以有EnvName的最后一项INVALID_ENV之前添加新项的枚举 定义，然后再在EnvNameStr的0之前，添加相应的字符串定义即可,这里需要注意的是，枚举值的定义和字符串的定义一定要对应起来：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | #ifndef __EVN_DEF_H__ #define __EVN_DEF_H__ enum EnvName { HTTP_HOST, HTTP_CONNECTION, HTTP_USER_AGENT, HTTP_REFERER, CONTENT_LENGTH, HTTP_CACHE_CONTROL, HTTP_ORIGIN, CONTENT_TYPE, HTTP_ACCEPT, HTTP_ACCEPT_ENCODING, HTTP_ACCEPT_LANGUAGE, HTTP_ACCEPT_CHARSET, SERVER_SIGNATURE, SERVER_SOFTWARE, SERVER_NAME, SERVER_ADDR, SERVER_PORT, REMOTE_ADDR, DOCUMENT_ROOT, SERVER_ADMIN, SCRIPT_FILENAME, REMOTE_PORT, GATEWAY_INTERFACE, SERVER_PROTOCOL, REQUEST_METHOD, QUERY_STRING, REQUEST_URI, SCRIPT_NAME, INVALID_ENV }; static const char * EnvNameStr[] = { "HTTP_HOST", "HTTP_CONNECTION", "HTTP_USER_AGENT", "HTTP_REFERER", "CONTENT_LENGTH", "HTTP_CACHE_CONTROL", "HTTP_ORIGIN", "CONTENT_TYPE", "HTTP_ACCEPT", "HTTP_ACCEPT_ENCODING", "HTTP_ACCEPT_LANGUAGE", "HTTP_ACCEPT_CHARSET", "SERVER_SIGNATURE", "SERVER_SOFTWARE", "SERVER_NAME", "SERVER_ADDR", "SERVER_PORT", "REMOTE_ADDR", "DOCUMENT_ROOT", "SERVER_ADMIN", "SCRIPT_FILENAME", "REMOTE_PORT", "GATEWAY_INTERFACE", "SERVER_PROTOCOL", "REQUEST_METHOD", "QUERY_STRING", "REQUEST_URI", "SCRIPT_NAME", 0 }; #endif __EVN_DEF_H__ |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | #ifndef __ZS_CGI_H__ #define __ZS_CGI_H__ #include "EnvDef.h" #include <string> #include <map> /** * @brief this is a utility class for c++ CGI */ class ZSCGI { public: /** * @brief get the value of specified environment variable * @param eEnvName, the enum definition of the environment variable * @return the point to the value */ static char * GetEnv(EnvName eEnvName); /** * @brief encode a url * @param strSrc, the souce url * @param strDest, string to store the encoded url */ static void EncodeUrl(const std::string & strSrc, std::string & strDest); /** * @brief decode a url * @param strSrc, the source url * @param strDest, string to store the decoded url */ static void DecodeUrl(const std::string & strSrc, std::string & strDest); /** * @brief extract variable from a url * @param pUrl, the url to be extracted * @param mapRes, the result key-value pair set */ static void ExtractVar(const char * pUrl, std::map<std ::string, const char *> & mapRes); /** * @brief write data to the webpages * @param pBuffer, the data buffer * @param nLen, the length of data * @return the num of bytes written */ static int WriteData(const char * pBuffer, int nLen); /** * @brief read data from the webserver * @param pBuffer, the buffer to store the data * @param nLen, the length of the buffer * @return the num of bytes read */ static int ReadData(char * pBuffer, int nLen); /** * @brief print the mine header * @param pHeader, the header */ static void MineHeader(const char * pHeader); private: /** * @brief convert a char to hexidecimal number * @param bCh, the char to be converted * @param szBuf, the buffer to store the result */ static void CharToHex(unsigned char bCh, char * szBuf); /** * @brief convert hexdecimal number to char * @param hHigh, the high 4 bits * @param bLow, the low 4 bits * @return the converted char */ static unsigned char HexToChar(char bHigh, char bLow); }; #endif //__ZS_CGI_H__ </std></map></string> |
欢迎大家提意见！
没有评论:
发表评论