Dependencies:   DMSupport DMemWin

embedded/HTTPFile.cpp

Committer:
destinyXfate
Date:
2016-06-02
Revision:
0:08606a13a816

File content as of revision 0:08606a13a816:

/* HTTPText.cpp */
/* Copyright (C) 2012 mbed.org, MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
 * and associated documentation files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include "HTTPFile.h"

#include <cstring>
#include <stdio.h>

#define OK 0

using std::memcpy;
using std::strncpy;
using std::strlen;

#define MIN(x,y) (((x)<(y))?(x):(y))

HTTPFile::HTTPFile(FILE* pFile) :
		m_file(pFile), m_pos(0) {
	fseek(m_file, 0, SEEK_END);
	m_size = ftell(m_file);
	fseek(m_file, 0, SEEK_SET);
}

HTTPFile::HTTPFile(FILE* pFile, size_t size) :
		m_file(pFile), m_size(size), m_pos(0) {

}

//IHTTPDataIn
/*virtual*/void HTTPFile::readReset() {
	m_pos = 0;
}

/*virtual*/int HTTPFile::read(char* buf, size_t len, size_t* pReadLen) {
	*pReadLen = MIN(len, m_size - m_pos);
	fread(buf, 1, *pReadLen, m_file);
	m_pos += *pReadLen;
	return OK;
}

/*virtual*/int HTTPFile::getDataType(char* type, size_t maxTypeLen) //Internet media type for Content-Type header
		{
	strncpy(type, "text/xml", maxTypeLen - 1);
	type[maxTypeLen - 1] = '\0';
	return OK;
}

/*virtual*/bool HTTPFile::getIsChunked() //For Transfer-Encoding header
{
	return false;
}

/*virtual*/size_t HTTPFile::getDataLen()
//For Content-Length header
{
	return m_size;
}

//IHTTPDataOut
/*virtual*/void HTTPFile::writeReset() {
	m_pos = 0;
}

/*virtual*/int HTTPFile::write(const char* buf, size_t len) {
//	size_t writeLen = MIN(len, m_size - m_pos);
//	memcpy(m_pos, buf, writeLen);
//	m_pos += writeLen;
//	m_id[m_pos] = '\0';
	return OK;
}

/*virtual*/void HTTPFile::setDataType(const char* type) //Internet media type from Content-Type header
		{

}

/*virtual*/void HTTPFile::setIsChunked(bool chunked) //From Transfer-Encoding header
		{

}

/*virtual*/void HTTPFile::setDataLen(size_t len) //From Content-Length header, or if the transfer is chunked, next chunk length
		{

}