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 "HTTPText.h"
00021 
00022 #include <cstring>
00023 
00024 #define OK 0
00025 
00026 using std::memcpy;
00027 using std::strncpy;
00028 using std::strlen;
00029 
00030 #define MIN(x,y) (((x)<(y))?(x):(y))
00031 
00032 HTTPText::HTTPText(char* str) : m_str(str), m_pos(0)
00033 {
00034   m_size = strlen(str) + 1;
00035 }
00036 
00037 HTTPText::HTTPText(char* str, size_t size) : m_str(str), m_size(size), m_pos(0)
00038 {
00039 
00040 }
00041 
00042 //IHTTPDataIn
00043 /*virtual*/ void HTTPText::readReset()
00044 {
00045   m_pos = 0;
00046 }
00047 
00048 /*virtual*/ int HTTPText::read(char* buf, size_t len, size_t* pReadLen)
00049 {
00050   *pReadLen = MIN(len, m_size - 1 - m_pos);
00051   memcpy(buf, m_str + m_pos, *pReadLen);
00052   m_pos += *pReadLen;
00053   return OK;
00054 }
00055 
00056 /*virtual*/ int HTTPText::getDataType(char* type, size_t maxTypeLen) //Internet media type for Content-Type header
00057 {
00058 #if 1
00059   strncpy(type, "application/json", maxTypeLen-1);
00060 #else
00061   strncpy(type, "text/plain", maxTypeLen-1);
00062 #endif
00063   type[maxTypeLen-1] = '\0';
00064   return OK;
00065 }
00066 
00067 /*virtual*/ bool HTTPText::getIsChunked() //For Transfer-Encoding header
00068 {
00069   return false;
00070 }
00071 
00072 /*virtual*/ size_t HTTPText::getDataLen() //For Content-Length header
00073 {
00074   return m_size - 1;
00075 }
00076 
00077 //IHTTPDataOut
00078 /*virtual*/ void HTTPText::writeReset()
00079 {
00080   m_pos = 0;
00081 }
00082 
00083 /*virtual*/ int HTTPText::write(const char* buf, size_t len)
00084 {
00085   size_t writeLen = MIN(len, m_size - 1 - m_pos);
00086   memcpy(m_str + m_pos, buf, writeLen);
00087   m_pos += writeLen;
00088   m_str[m_pos] = '\0';
00089   return OK;
00090 }
00091 
00092 /*virtual*/ void HTTPText::setDataType(const char* type) //Internet media type from Content-Type header
00093 {
00094 
00095 }
00096 
00097 /*virtual*/ void HTTPText::setIsChunked(bool chunked) //From Transfer-Encoding header
00098 {
00099 
00100 }
00101 
00102 /*virtual*/ void HTTPText::setDataLen(size_t len) //From Content-Length header, or if the transfer is chunked, next chunk length
00103 {
00104 
00105 }
00106 
00107 
00108