HTTPText.cpp

00001 /* HTTPText.cpp */
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 #include "mbed.h"
00021 #include "HTTPText.h"
00022 
00023 #include <cstring>
00024 
00025 #define OK 0
00026 
00027 using std::memcpy;
00028 using std::strncpy;
00029 using std::strlen;
00030 
00031 #define MIN(x,y) (((x)<(y))?(x):(y))
00032 
00033 HTTPText::HTTPText(char* str) : m_str(str), m_pos(0)
00034 {
00035   m_size = strlen(str) + 1;
00036 }
00037 
00038 HTTPText::HTTPText(char* str, size_t size) : m_str(str), m_size(size), m_pos(0)
00039 {
00040     strcpy(m_datatype, "plan/text");
00041 }
00042 
00043 //IHTTPDataIn
00044 /*virtual*/ void HTTPText::readReset()
00045 {
00046   m_pos = 0;
00047 }
00048 
00049 /*virtual*/ int HTTPText::read(char* buf, size_t len, size_t* pReadLen)
00050 {
00051   *pReadLen = MIN(len, m_size - 1 - m_pos);
00052   memcpy(buf, m_str + m_pos, *pReadLen);
00053   m_pos += *pReadLen;
00054   return OK;
00055 }
00056 
00057 /*virtual*/ int HTTPText::getDataType(char* type, size_t maxTypeLen) //Internet media type for Content-Type header
00058 {
00059   //strncpy(type, "plain/text", maxTypeLen-1);
00060   strncpy(type, m_datatype, maxTypeLen-1);
00061   type[maxTypeLen-1] = '\0';
00062   return OK;
00063 }
00064 
00065 /*virtual*/ bool HTTPText::getIsChunked() //For Transfer-Encoding header
00066 {
00067   return false;
00068 }
00069 
00070 /*virtual*/ size_t HTTPText::getDataLen() //For Content-Length header
00071 {
00072   return m_size - 1;
00073 }
00074 
00075 //IHTTPDataOut
00076 /*virtual*/ void HTTPText::writeReset()
00077 {
00078   m_pos = 0;
00079 }
00080 
00081 /*virtual*/ int HTTPText::write(const char* buf, size_t len)
00082 {
00083   size_t writeLen = MIN(len, m_size - 1 - m_pos);
00084   memcpy(m_str + m_pos, buf, writeLen);
00085   m_pos += writeLen;
00086   m_str[m_pos] = '\0';
00087   return OK;
00088 }
00089 
00090 /*virtual*/ void HTTPText::setDataType(const char* type) //Internet media type from Content-Type header
00091 {
00092     strcpy(m_datatype, type);
00093 }
00094 
00095 /*virtual*/ void HTTPText::setIsChunked(bool chunked) //From Transfer-Encoding header
00096 {
00097 
00098 }
00099 
00100 /*virtual*/ void HTTPText::setDataLen(size_t len) //From Content-Length header, or if the transfer is chunked, next chunk length
00101 {
00102 
00103 }
00104 
00105 
00106