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NetServicesProxy/services/http/client/data/HTTPMap.cpp@0:1619a6b826d7, 2011-11-21 (annotated)

Committer:: Hello1024
Date:: Mon Nov 21 18:25:34 2011 +0000
Revision:: 0:1619a6b826d7

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User	Revision	Line number	New contents of line
Hello1024	0:1619a6b826d7	1
Hello1024	0:1619a6b826d7	2	/*
Hello1024	0:1619a6b826d7	3	Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
Hello1024	0:1619a6b826d7	4
Hello1024	0:1619a6b826d7	5	Permission is hereby granted, free of charge, to any person obtaining a copy
Hello1024	0:1619a6b826d7	6	of this software and associated documentation files (the "Software"), to deal
Hello1024	0:1619a6b826d7	7	in the Software without restriction, including without limitation the rights
Hello1024	0:1619a6b826d7	8	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
Hello1024	0:1619a6b826d7	9	copies of the Software, and to permit persons to whom the Software is
Hello1024	0:1619a6b826d7	10	furnished to do so, subject to the following conditions:
Hello1024	0:1619a6b826d7	11
Hello1024	0:1619a6b826d7	12	The above copyright notice and this permission notice shall be included in
Hello1024	0:1619a6b826d7	13	all copies or substantial portions of the Software.
Hello1024	0:1619a6b826d7	14
Hello1024	0:1619a6b826d7	15	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Hello1024	0:1619a6b826d7	16	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Hello1024	0:1619a6b826d7	17	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Hello1024	0:1619a6b826d7	18	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Hello1024	0:1619a6b826d7	19	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Hello1024	0:1619a6b826d7	20	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Hello1024	0:1619a6b826d7	21	THE SOFTWARE.
Hello1024	0:1619a6b826d7	22	*/
Hello1024	0:1619a6b826d7	23
Hello1024	0:1619a6b826d7	24	#include "HTTPMap.h"
Hello1024	0:1619a6b826d7	25	#include "../../util/url.h"
Hello1024	0:1619a6b826d7	26
Hello1024	0:1619a6b826d7	27	//#define __DEBUG
Hello1024	0:1619a6b826d7	28	#include "dbg/dbg.h"
Hello1024	0:1619a6b826d7	29
Hello1024	0:1619a6b826d7	30	HTTPMap::HTTPMap(const string& keyValueSep /= "="/, const string& pairSep /= "&"/) :
Hello1024	0:1619a6b826d7	31	HTTPData(), Dictionary(), m_buf(), m_len(0), m_chunked(false), m_keyValueSep(keyValueSep), m_pairSep(pairSep)
Hello1024	0:1619a6b826d7	32	{
Hello1024	0:1619a6b826d7	33
Hello1024	0:1619a6b826d7	34	}
Hello1024	0:1619a6b826d7	35
Hello1024	0:1619a6b826d7	36	HTTPMap::~HTTPMap()
Hello1024	0:1619a6b826d7	37	{
Hello1024	0:1619a6b826d7	38
Hello1024	0:1619a6b826d7	39	}
Hello1024	0:1619a6b826d7	40
Hello1024	0:1619a6b826d7	41	void HTTPMap::clear()
Hello1024	0:1619a6b826d7	42	{
Hello1024	0:1619a6b826d7	43	m_buf.clear();
Hello1024	0:1619a6b826d7	44	}
Hello1024	0:1619a6b826d7	45
Hello1024	0:1619a6b826d7	46	int HTTPMap::read(char* buf, int len)
Hello1024	0:1619a6b826d7	47	{
Hello1024	0:1619a6b826d7	48	memcpy( (void)buf, (void)m_buf.data(), len );
Hello1024	0:1619a6b826d7	49	m_buf.erase(0, len); //Erase these chars
Hello1024	0:1619a6b826d7	50	return len;
Hello1024	0:1619a6b826d7	51	}
Hello1024	0:1619a6b826d7	52
Hello1024	0:1619a6b826d7	53	int HTTPMap::write(const char* buf, int len)
Hello1024	0:1619a6b826d7	54	{
Hello1024	0:1619a6b826d7	55	m_buf.append( buf, len );
Hello1024	0:1619a6b826d7	56	if( ( m_chunked && !len ) \|\|
Hello1024	0:1619a6b826d7	57	( !m_chunked && ( m_buf.length() >= m_len ) ) ) //Last chunk or EOF
Hello1024	0:1619a6b826d7	58	{
Hello1024	0:1619a6b826d7	59	parseString();
Hello1024	0:1619a6b826d7	60	}
Hello1024	0:1619a6b826d7	61	return len;
Hello1024	0:1619a6b826d7	62	}
Hello1024	0:1619a6b826d7	63
Hello1024	0:1619a6b826d7	64	string HTTPMap::getDataType() //Internet media type for Content-Type header
Hello1024	0:1619a6b826d7	65	{
Hello1024	0:1619a6b826d7	66	return "application/x-www-form-urlencoded";
Hello1024	0:1619a6b826d7	67	}
Hello1024	0:1619a6b826d7	68
Hello1024	0:1619a6b826d7	69	void HTTPMap::setDataType(const string& type) //Internet media type from Content-Type header
Hello1024	0:1619a6b826d7	70	{
Hello1024	0:1619a6b826d7	71	//Do not really care here
Hello1024	0:1619a6b826d7	72	}
Hello1024	0:1619a6b826d7	73
Hello1024	0:1619a6b826d7	74	int HTTPMap::getDataLen() //For Content-Length header
Hello1024	0:1619a6b826d7	75	{
Hello1024	0:1619a6b826d7	76	//This will be called before any read occurs, so let's generate our string object
Hello1024	0:1619a6b826d7	77	//Generate string
Hello1024	0:1619a6b826d7	78	generateString();
Hello1024	0:1619a6b826d7	79	return m_len;
Hello1024	0:1619a6b826d7	80	}
Hello1024	0:1619a6b826d7	81
Hello1024	0:1619a6b826d7	82	bool HTTPMap::getIsChunked() //For Transfer-Encoding header
Hello1024	0:1619a6b826d7	83	{
Hello1024	0:1619a6b826d7	84	return false; //We don't want to chunk this
Hello1024	0:1619a6b826d7	85	}
Hello1024	0:1619a6b826d7	86
Hello1024	0:1619a6b826d7	87	void HTTPMap::setIsChunked(bool chunked) //From Transfer-Encoding header
Hello1024	0:1619a6b826d7	88	{
Hello1024	0:1619a6b826d7	89	m_chunked = chunked;
Hello1024	0:1619a6b826d7	90	}
Hello1024	0:1619a6b826d7	91
Hello1024	0:1619a6b826d7	92	void HTTPMap::setDataLen(int len) //From Content-Length header, or if the transfer is chunked, next chunk length
Hello1024	0:1619a6b826d7	93	{
Hello1024	0:1619a6b826d7	94	m_len += len; //Useful so that we can parse string when last byte is written if not chunked
Hello1024	0:1619a6b826d7	95	m_buf.reserve( m_len );
Hello1024	0:1619a6b826d7	96	}
Hello1024	0:1619a6b826d7	97
Hello1024	0:1619a6b826d7	98	void HTTPMap::generateString()
Hello1024	0:1619a6b826d7	99	{
Hello1024	0:1619a6b826d7	100	Dictionary::iterator it;
Hello1024	0:1619a6b826d7	101	bool first = true;
Hello1024	0:1619a6b826d7	102	while( !Dictionary::empty() )
Hello1024	0:1619a6b826d7	103	{
Hello1024	0:1619a6b826d7	104	if(!first)
Hello1024	0:1619a6b826d7	105	{
Hello1024	0:1619a6b826d7	106	m_buf.append( m_pairSep );
Hello1024	0:1619a6b826d7	107	}
Hello1024	0:1619a6b826d7	108	else
Hello1024	0:1619a6b826d7	109	{
Hello1024	0:1619a6b826d7	110	first = false;
Hello1024	0:1619a6b826d7	111	}
Hello1024	0:1619a6b826d7	112	it = Dictionary::begin();
Hello1024	0:1619a6b826d7	113	m_buf.append( Url::encode( (*it).first ) );
Hello1024	0:1619a6b826d7	114	m_buf.append( m_keyValueSep );
Hello1024	0:1619a6b826d7	115	m_buf.append( Url::encode( (*it).second ) );
Hello1024	0:1619a6b826d7	116	Dictionary::erase(it); //Free memory as we process data
Hello1024	0:1619a6b826d7	117	}
Hello1024	0:1619a6b826d7	118	m_len = m_buf.length();
Hello1024	0:1619a6b826d7	119	DBG("\r\nData [len %d]:\r\n%s\r\n", m_len, m_buf.c_str());
Hello1024	0:1619a6b826d7	120	}
Hello1024	0:1619a6b826d7	121
Hello1024	0:1619a6b826d7	122	void HTTPMap::parseString()
Hello1024	0:1619a6b826d7	123	{
Hello1024	0:1619a6b826d7	124	string key;
Hello1024	0:1619a6b826d7	125	string value;
Hello1024	0:1619a6b826d7	126
Hello1024	0:1619a6b826d7	127	int pos = 0;
Hello1024	0:1619a6b826d7	128
Hello1024	0:1619a6b826d7	129	int key_pos;
Hello1024	0:1619a6b826d7	130	int key_len;
Hello1024	0:1619a6b826d7	131
Hello1024	0:1619a6b826d7	132	int value_pos;
Hello1024	0:1619a6b826d7	133	int value_len;
Hello1024	0:1619a6b826d7	134
Hello1024	0:1619a6b826d7	135	bool eof = false;
Hello1024	0:1619a6b826d7	136	while(!eof)
Hello1024	0:1619a6b826d7	137	{
Hello1024	0:1619a6b826d7	138	key_pos = pos;
Hello1024	0:1619a6b826d7	139	value_pos = m_buf.find(m_keyValueSep, pos);
Hello1024	0:1619a6b826d7	140	if(value_pos < 0)
Hello1024	0:1619a6b826d7	141	{
Hello1024	0:1619a6b826d7	142	//Parse error, break
Hello1024	0:1619a6b826d7	143	break;
Hello1024	0:1619a6b826d7	144	}
Hello1024	0:1619a6b826d7	145
Hello1024	0:1619a6b826d7	146	key_len = value_pos - key_pos;
Hello1024	0:1619a6b826d7	147
Hello1024	0:1619a6b826d7	148	value_pos+= m_keyValueSep.length();
Hello1024	0:1619a6b826d7	149
Hello1024	0:1619a6b826d7	150	pos = m_buf.find( m_pairSep, value_pos );
Hello1024	0:1619a6b826d7	151	if(pos < 0) //Not found
Hello1024	0:1619a6b826d7	152	{
Hello1024	0:1619a6b826d7	153	pos = m_buf.length();
Hello1024	0:1619a6b826d7	154	eof = true;
Hello1024	0:1619a6b826d7	155	}
Hello1024	0:1619a6b826d7	156
Hello1024	0:1619a6b826d7	157	value_len = pos - value_pos;
Hello1024	0:1619a6b826d7	158
Hello1024	0:1619a6b826d7	159	pos += m_pairSep.length();
Hello1024	0:1619a6b826d7	160
Hello1024	0:1619a6b826d7	161	//Append elenent
Hello1024	0:1619a6b826d7	162	Dictionary::operator[]( Url::decode( m_buf.substr(key_pos, key_len) ) ) = Url::decode( m_buf.substr(value_pos, value_len) );
Hello1024	0:1619a6b826d7	163	}
Hello1024	0:1619a6b826d7	164
Hello1024	0:1619a6b826d7	165	m_buf.clear(); //Free data
Hello1024	0:1619a6b826d7	166
Hello1024	0:1619a6b826d7	167	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	20 Nov 2013
Imports:	0
Forks:	0
Commits:	2
Dependents:	0
Dependencies:	1
Followers:	1

NetServicesProxy/services/http/client/data/HTTPMap.cpp@0:1619a6b826d7, 2011-11-21 (annotated)

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