Hendrik Vincent / Mbed 2 deprecated Weerstation

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Dependencies:   NTPClient_NetServices mbed

NetServices/services/http/client/data/HTTPMap.cpp@0:05ccbd4f84f1, 2013-12-02 (annotated)

Committer:
hendrikvincent
Date:
Mon Dec 02 09:01:23 2013 +0000
Revision:
0:05ccbd4f84f1
eerste programma;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hendrikvincent 0:05ccbd4f84f1 1
hendrikvincent 0:05ccbd4f84f1 2 /*
hendrikvincent 0:05ccbd4f84f1 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
hendrikvincent 0:05ccbd4f84f1 4
hendrikvincent 0:05ccbd4f84f1 5 Permission is hereby granted, free of charge, to any person obtaining a copy
hendrikvincent 0:05ccbd4f84f1 6 of this software and associated documentation files (the "Software"), to deal
hendrikvincent 0:05ccbd4f84f1 7 in the Software without restriction, including without limitation the rights
hendrikvincent 0:05ccbd4f84f1 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
hendrikvincent 0:05ccbd4f84f1 9 copies of the Software, and to permit persons to whom the Software is
hendrikvincent 0:05ccbd4f84f1 10 furnished to do so, subject to the following conditions:
hendrikvincent 0:05ccbd4f84f1 11
hendrikvincent 0:05ccbd4f84f1 12 The above copyright notice and this permission notice shall be included in
hendrikvincent 0:05ccbd4f84f1 13 all copies or substantial portions of the Software.
hendrikvincent 0:05ccbd4f84f1 14
hendrikvincent 0:05ccbd4f84f1 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
hendrikvincent 0:05ccbd4f84f1 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
hendrikvincent 0:05ccbd4f84f1 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
hendrikvincent 0:05ccbd4f84f1 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
hendrikvincent 0:05ccbd4f84f1 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
hendrikvincent 0:05ccbd4f84f1 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
hendrikvincent 0:05ccbd4f84f1 21 THE SOFTWARE.
hendrikvincent 0:05ccbd4f84f1 22 */
hendrikvincent 0:05ccbd4f84f1 23
hendrikvincent 0:05ccbd4f84f1 24 #include "HTTPMap.h"
hendrikvincent 0:05ccbd4f84f1 25 #include "../../util/url.h"
hendrikvincent 0:05ccbd4f84f1 26
hendrikvincent 0:05ccbd4f84f1 27 //#define __DEBUG
hendrikvincent 0:05ccbd4f84f1 28 #include "dbg/dbg.h"
hendrikvincent 0:05ccbd4f84f1 29
hendrikvincent 0:05ccbd4f84f1 30 HTTPMap::HTTPMap(const string& keyValueSep /*= "="*/, const string& pairSep /*= "&"*/) :
hendrikvincent 0:05ccbd4f84f1 31 HTTPData(), Dictionary(), m_buf(), m_len(0), m_chunked(false), m_keyValueSep(keyValueSep), m_pairSep(pairSep)
hendrikvincent 0:05ccbd4f84f1 32 {
hendrikvincent 0:05ccbd4f84f1 33
hendrikvincent 0:05ccbd4f84f1 34 }
hendrikvincent 0:05ccbd4f84f1 35
hendrikvincent 0:05ccbd4f84f1 36 HTTPMap::~HTTPMap()
hendrikvincent 0:05ccbd4f84f1 37 {
hendrikvincent 0:05ccbd4f84f1 38
hendrikvincent 0:05ccbd4f84f1 39 }
hendrikvincent 0:05ccbd4f84f1 40
hendrikvincent 0:05ccbd4f84f1 41 void HTTPMap::clear()
hendrikvincent 0:05ccbd4f84f1 42 {
hendrikvincent 0:05ccbd4f84f1 43 m_buf.clear();
hendrikvincent 0:05ccbd4f84f1 44 }
hendrikvincent 0:05ccbd4f84f1 45
hendrikvincent 0:05ccbd4f84f1 46 int HTTPMap::read(char* buf, int len)
hendrikvincent 0:05ccbd4f84f1 47 {
hendrikvincent 0:05ccbd4f84f1 48 memcpy( (void*)buf, (void*)m_buf.data(), len );
hendrikvincent 0:05ccbd4f84f1 49 m_buf.erase(0, len); //Erase these chars
hendrikvincent 0:05ccbd4f84f1 50 return len;
hendrikvincent 0:05ccbd4f84f1 51 }
hendrikvincent 0:05ccbd4f84f1 52
hendrikvincent 0:05ccbd4f84f1 53 int HTTPMap::write(const char* buf, int len)
hendrikvincent 0:05ccbd4f84f1 54 {
hendrikvincent 0:05ccbd4f84f1 55 m_buf.append( buf, len );
hendrikvincent 0:05ccbd4f84f1 56 if( ( m_chunked && !len ) ||
hendrikvincent 0:05ccbd4f84f1 57 ( !m_chunked && ( m_buf.length() >= m_len ) ) ) //Last chunk or EOF
hendrikvincent 0:05ccbd4f84f1 58 {
hendrikvincent 0:05ccbd4f84f1 59 parseString();
hendrikvincent 0:05ccbd4f84f1 60 }
hendrikvincent 0:05ccbd4f84f1 61 return len;
hendrikvincent 0:05ccbd4f84f1 62 }
hendrikvincent 0:05ccbd4f84f1 63
hendrikvincent 0:05ccbd4f84f1 64 string HTTPMap::getDataType() //Internet media type for Content-Type header
hendrikvincent 0:05ccbd4f84f1 65 {
hendrikvincent 0:05ccbd4f84f1 66 return "application/x-www-form-urlencoded";
hendrikvincent 0:05ccbd4f84f1 67 }
hendrikvincent 0:05ccbd4f84f1 68
hendrikvincent 0:05ccbd4f84f1 69 void HTTPMap::setDataType(const string& type) //Internet media type from Content-Type header
hendrikvincent 0:05ccbd4f84f1 70 {
hendrikvincent 0:05ccbd4f84f1 71 //Do not really care here
hendrikvincent 0:05ccbd4f84f1 72 }
hendrikvincent 0:05ccbd4f84f1 73
hendrikvincent 0:05ccbd4f84f1 74 int HTTPMap::getDataLen() //For Content-Length header
hendrikvincent 0:05ccbd4f84f1 75 {
hendrikvincent 0:05ccbd4f84f1 76 //This will be called before any read occurs, so let's generate our string object
hendrikvincent 0:05ccbd4f84f1 77 //Generate string
hendrikvincent 0:05ccbd4f84f1 78 generateString();
hendrikvincent 0:05ccbd4f84f1 79 return m_len;
hendrikvincent 0:05ccbd4f84f1 80 }
hendrikvincent 0:05ccbd4f84f1 81
hendrikvincent 0:05ccbd4f84f1 82 bool HTTPMap::getIsChunked() //For Transfer-Encoding header
hendrikvincent 0:05ccbd4f84f1 83 {
hendrikvincent 0:05ccbd4f84f1 84 return false; //We don't want to chunk this
hendrikvincent 0:05ccbd4f84f1 85 }
hendrikvincent 0:05ccbd4f84f1 86
hendrikvincent 0:05ccbd4f84f1 87 void HTTPMap::setIsChunked(bool chunked) //From Transfer-Encoding header
hendrikvincent 0:05ccbd4f84f1 88 {
hendrikvincent 0:05ccbd4f84f1 89 m_chunked = chunked;
hendrikvincent 0:05ccbd4f84f1 90 }
hendrikvincent 0:05ccbd4f84f1 91
hendrikvincent 0:05ccbd4f84f1 92 void HTTPMap::setDataLen(int len) //From Content-Length header, or if the transfer is chunked, next chunk length
hendrikvincent 0:05ccbd4f84f1 93 {
hendrikvincent 0:05ccbd4f84f1 94 m_len += len; //Useful so that we can parse string when last byte is written if not chunked
hendrikvincent 0:05ccbd4f84f1 95 m_buf.reserve( m_len );
hendrikvincent 0:05ccbd4f84f1 96 }
hendrikvincent 0:05ccbd4f84f1 97
hendrikvincent 0:05ccbd4f84f1 98 void HTTPMap::generateString()
hendrikvincent 0:05ccbd4f84f1 99 {
hendrikvincent 0:05ccbd4f84f1 100 Dictionary::iterator it;
hendrikvincent 0:05ccbd4f84f1 101 bool first = true;
hendrikvincent 0:05ccbd4f84f1 102 while( !Dictionary::empty() )
hendrikvincent 0:05ccbd4f84f1 103 {
hendrikvincent 0:05ccbd4f84f1 104 if(!first)
hendrikvincent 0:05ccbd4f84f1 105 {
hendrikvincent 0:05ccbd4f84f1 106 m_buf.append( m_pairSep );
hendrikvincent 0:05ccbd4f84f1 107 }
hendrikvincent 0:05ccbd4f84f1 108 else
hendrikvincent 0:05ccbd4f84f1 109 {
hendrikvincent 0:05ccbd4f84f1 110 first = false;
hendrikvincent 0:05ccbd4f84f1 111 }
hendrikvincent 0:05ccbd4f84f1 112 it = Dictionary::begin();
hendrikvincent 0:05ccbd4f84f1 113 m_buf.append( Url::encode( (*it).first ) );
hendrikvincent 0:05ccbd4f84f1 114 m_buf.append( m_keyValueSep );
hendrikvincent 0:05ccbd4f84f1 115 m_buf.append( Url::encode( (*it).second ) );
hendrikvincent 0:05ccbd4f84f1 116 Dictionary::erase(it); //Free memory as we process data
hendrikvincent 0:05ccbd4f84f1 117 }
hendrikvincent 0:05ccbd4f84f1 118 m_len = m_buf.length();
hendrikvincent 0:05ccbd4f84f1 119 DBG("\r\nData [len %d]:\r\n%s\r\n", m_len, m_buf.c_str());
hendrikvincent 0:05ccbd4f84f1 120 }
hendrikvincent 0:05ccbd4f84f1 121
hendrikvincent 0:05ccbd4f84f1 122 void HTTPMap::parseString()
hendrikvincent 0:05ccbd4f84f1 123 {
hendrikvincent 0:05ccbd4f84f1 124 string key;
hendrikvincent 0:05ccbd4f84f1 125 string value;
hendrikvincent 0:05ccbd4f84f1 126
hendrikvincent 0:05ccbd4f84f1 127 int pos = 0;
hendrikvincent 0:05ccbd4f84f1 128
hendrikvincent 0:05ccbd4f84f1 129 int key_pos;
hendrikvincent 0:05ccbd4f84f1 130 int key_len;
hendrikvincent 0:05ccbd4f84f1 131
hendrikvincent 0:05ccbd4f84f1 132 int value_pos;
hendrikvincent 0:05ccbd4f84f1 133 int value_len;
hendrikvincent 0:05ccbd4f84f1 134
hendrikvincent 0:05ccbd4f84f1 135 bool eof = false;
hendrikvincent 0:05ccbd4f84f1 136 while(!eof)
hendrikvincent 0:05ccbd4f84f1 137 {
hendrikvincent 0:05ccbd4f84f1 138 key_pos = pos;
hendrikvincent 0:05ccbd4f84f1 139 value_pos = m_buf.find(m_keyValueSep, pos);
hendrikvincent 0:05ccbd4f84f1 140 if(value_pos < 0)
hendrikvincent 0:05ccbd4f84f1 141 {
hendrikvincent 0:05ccbd4f84f1 142 //Parse error, break
hendrikvincent 0:05ccbd4f84f1 143 break;
hendrikvincent 0:05ccbd4f84f1 144 }
hendrikvincent 0:05ccbd4f84f1 145
hendrikvincent 0:05ccbd4f84f1 146 key_len = value_pos - key_pos;
hendrikvincent 0:05ccbd4f84f1 147
hendrikvincent 0:05ccbd4f84f1 148 value_pos+= m_keyValueSep.length();
hendrikvincent 0:05ccbd4f84f1 149
hendrikvincent 0:05ccbd4f84f1 150 pos = m_buf.find( m_pairSep, value_pos );
hendrikvincent 0:05ccbd4f84f1 151 if(pos < 0) //Not found
hendrikvincent 0:05ccbd4f84f1 152 {
hendrikvincent 0:05ccbd4f84f1 153 pos = m_buf.length();
hendrikvincent 0:05ccbd4f84f1 154 eof = true;
hendrikvincent 0:05ccbd4f84f1 155 }
hendrikvincent 0:05ccbd4f84f1 156
hendrikvincent 0:05ccbd4f84f1 157 value_len = pos - value_pos;
hendrikvincent 0:05ccbd4f84f1 158
hendrikvincent 0:05ccbd4f84f1 159 pos += m_pairSep.length();
hendrikvincent 0:05ccbd4f84f1 160
hendrikvincent 0:05ccbd4f84f1 161 //Append elenent
hendrikvincent 0:05ccbd4f84f1 162 Dictionary::operator[]( Url::decode( m_buf.substr(key_pos, key_len) ) ) = Url::decode( m_buf.substr(value_pos, value_len) );
hendrikvincent 0:05ccbd4f84f1 163 }
hendrikvincent 0:05ccbd4f84f1 164
hendrikvincent 0:05ccbd4f84f1 165 m_buf.clear(); //Free data
hendrikvincent 0:05ccbd4f84f1 166
hendrikvincent 0:05ccbd4f84f1 167 }