HTTPText.h

00001 /* HTTPText.h */
00002 /* Copyright (C) 2012 mbed.org, MIT License
00003  *
00004  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00005  * and associated documentation files (the "Software"), to deal in the Software without restriction,
00006  * including without limitation the rights to use, copy, modify, merge, publish, distribute,
00007  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
00008  * furnished to do so, subject to the following conditions:
00009  *
00010  * The above copyright notice and this permission notice shall be included in all copies or
00011  * substantial portions of the Software.
00012  *
00013  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00014  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00015  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00016  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00017  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00018  */
00019 
00020 
00021 #ifndef HTTPTEXT_H_
00022 #define HTTPTEXT_H_
00023 
00024 #include "../IHTTPData.h"
00025 
00026 /** A data endpoint to store text
00027 */
00028 class HTTPText : public IHTTPDataIn, public IHTTPDataOut
00029 {
00030 public:
00031   /** Create an HTTPText instance for output
00032    * @param str String to be transmitted
00033    */
00034   HTTPText(char* str);
00035 
00036   /** Create an HTTPText instance for input
00037    * @param str Buffer to store the incoming string
00038    * @param size Size of the buffer
00039    */
00040   HTTPText(char* str, size_t size);
00041 
00042 protected:
00043   //IHTTPDataIn
00044   virtual void readReset();
00045   
00046   virtual int read(char* buf, size_t len, size_t* pReadLen);
00047 
00048   virtual int getDataType(char* type, size_t maxTypeLen); //Internet media type for Content-Type header
00049 
00050   virtual bool getIsChunked(); //For Transfer-Encoding header
00051 
00052   virtual size_t getDataLen(); //For Content-Length header
00053 
00054   //IHTTPDataOut
00055   virtual void writeReset();
00056   
00057   virtual int write(const char* buf, size_t len);
00058 
00059   virtual void setDataType(const char* type); //Internet media type from Content-Type header
00060 
00061   virtual void setIsChunked(bool chunked); //From Transfer-Encoding header
00062 
00063   virtual void setDataLen(size_t len); //From Content-Length header, or if the transfer is chunked, next chunk length
00064 
00065 private:
00066   char* m_str;
00067   size_t m_size;
00068 
00069   size_t m_pos;
00070 };
00071 
00072 #endif /* HTTPTEXT_H_ */