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Dependencies:   mbed

NetServices/services/http/client/data/HTTPMap.cpp@1:f5ac63519541, 2014-03-05 (annotated)

Committer:
Michael J. Spencer
Date:
Wed Mar 05 06:14:02 2014 -0800
Revision:
1:f5ac63519541
Initial commit.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Michael J. Spencer 1:f5ac63519541 1
Michael J. Spencer 1:f5ac63519541 2 /*
Michael J. Spencer 1:f5ac63519541 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
Michael J. Spencer 1:f5ac63519541 4
Michael J. Spencer 1:f5ac63519541 5 Permission is hereby granted, free of charge, to any person obtaining a copy
Michael J. Spencer 1:f5ac63519541 6 of this software and associated documentation files (the "Software"), to deal
Michael J. Spencer 1:f5ac63519541 7 in the Software without restriction, including without limitation the rights
Michael J. Spencer 1:f5ac63519541 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
Michael J. Spencer 1:f5ac63519541 9 copies of the Software, and to permit persons to whom the Software is
Michael J. Spencer 1:f5ac63519541 10 furnished to do so, subject to the following conditions:
Michael J. Spencer 1:f5ac63519541 11
Michael J. Spencer 1:f5ac63519541 12 The above copyright notice and this permission notice shall be included in
Michael J. Spencer 1:f5ac63519541 13 all copies or substantial portions of the Software.
Michael J. Spencer 1:f5ac63519541 14
Michael J. Spencer 1:f5ac63519541 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Michael J. Spencer 1:f5ac63519541 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Michael J. Spencer 1:f5ac63519541 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Michael J. Spencer 1:f5ac63519541 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Michael J. Spencer 1:f5ac63519541 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Michael J. Spencer 1:f5ac63519541 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Michael J. Spencer 1:f5ac63519541 21 THE SOFTWARE.
Michael J. Spencer 1:f5ac63519541 22 */
Michael J. Spencer 1:f5ac63519541 23
Michael J. Spencer 1:f5ac63519541 24 #include "HTTPMap.h"
Michael J. Spencer 1:f5ac63519541 25 #include "../../util/url.h"
Michael J. Spencer 1:f5ac63519541 26
Michael J. Spencer 1:f5ac63519541 27 //#define __DEBUG
Michael J. Spencer 1:f5ac63519541 28 #include "dbg/dbg.h"
Michael J. Spencer 1:f5ac63519541 29
Michael J. Spencer 1:f5ac63519541 30 HTTPMap::HTTPMap(const string& keyValueSep /*= "="*/, const string& pairSep /*= "&"*/) :
Michael J. Spencer 1:f5ac63519541 31 HTTPData(), Dictionary(), m_buf(), m_len(0), m_chunked(false), m_keyValueSep(keyValueSep), m_pairSep(pairSep)
Michael J. Spencer 1:f5ac63519541 32 {
Michael J. Spencer 1:f5ac63519541 33
Michael J. Spencer 1:f5ac63519541 34 }
Michael J. Spencer 1:f5ac63519541 35
Michael J. Spencer 1:f5ac63519541 36 HTTPMap::~HTTPMap()
Michael J. Spencer 1:f5ac63519541 37 {
Michael J. Spencer 1:f5ac63519541 38
Michael J. Spencer 1:f5ac63519541 39 }
Michael J. Spencer 1:f5ac63519541 40
Michael J. Spencer 1:f5ac63519541 41 void HTTPMap::clear()
Michael J. Spencer 1:f5ac63519541 42 {
Michael J. Spencer 1:f5ac63519541 43 m_buf.clear();
Michael J. Spencer 1:f5ac63519541 44 }
Michael J. Spencer 1:f5ac63519541 45
Michael J. Spencer 1:f5ac63519541 46 int HTTPMap::read(char* buf, int len)
Michael J. Spencer 1:f5ac63519541 47 {
Michael J. Spencer 1:f5ac63519541 48 memcpy( (void*)buf, (void*)m_buf.data(), len );
Michael J. Spencer 1:f5ac63519541 49 m_buf.erase(0, len); //Erase these chars
Michael J. Spencer 1:f5ac63519541 50 return len;
Michael J. Spencer 1:f5ac63519541 51 }
Michael J. Spencer 1:f5ac63519541 52
Michael J. Spencer 1:f5ac63519541 53 int HTTPMap::write(const char* buf, int len)
Michael J. Spencer 1:f5ac63519541 54 {
Michael J. Spencer 1:f5ac63519541 55 m_buf.append( buf, len );
Michael J. Spencer 1:f5ac63519541 56 if( ( m_chunked && !len ) ||
Michael J. Spencer 1:f5ac63519541 57 ( !m_chunked && ( m_buf.length() >= m_len ) ) ) //Last chunk or EOF
Michael J. Spencer 1:f5ac63519541 58 {
Michael J. Spencer 1:f5ac63519541 59 parseString();
Michael J. Spencer 1:f5ac63519541 60 }
Michael J. Spencer 1:f5ac63519541 61 return len;
Michael J. Spencer 1:f5ac63519541 62 }
Michael J. Spencer 1:f5ac63519541 63
Michael J. Spencer 1:f5ac63519541 64 string HTTPMap::getDataType() //Internet media type for Content-Type header
Michael J. Spencer 1:f5ac63519541 65 {
Michael J. Spencer 1:f5ac63519541 66 return "application/x-www-form-urlencoded";
Michael J. Spencer 1:f5ac63519541 67 }
Michael J. Spencer 1:f5ac63519541 68
Michael J. Spencer 1:f5ac63519541 69 void HTTPMap::setDataType(const string& type) //Internet media type from Content-Type header
Michael J. Spencer 1:f5ac63519541 70 {
Michael J. Spencer 1:f5ac63519541 71 //Do not really care here
Michael J. Spencer 1:f5ac63519541 72 }
Michael J. Spencer 1:f5ac63519541 73
Michael J. Spencer 1:f5ac63519541 74 int HTTPMap::getDataLen() //For Content-Length header
Michael J. Spencer 1:f5ac63519541 75 {
Michael J. Spencer 1:f5ac63519541 76 //This will be called before any read occurs, so let's generate our string object
Michael J. Spencer 1:f5ac63519541 77 //Generate string
Michael J. Spencer 1:f5ac63519541 78 generateString();
Michael J. Spencer 1:f5ac63519541 79 return m_len;
Michael J. Spencer 1:f5ac63519541 80 }
Michael J. Spencer 1:f5ac63519541 81
Michael J. Spencer 1:f5ac63519541 82 bool HTTPMap::getIsChunked() //For Transfer-Encoding header
Michael J. Spencer 1:f5ac63519541 83 {
Michael J. Spencer 1:f5ac63519541 84 return false; //We don't want to chunk this
Michael J. Spencer 1:f5ac63519541 85 }
Michael J. Spencer 1:f5ac63519541 86
Michael J. Spencer 1:f5ac63519541 87 void HTTPMap::setIsChunked(bool chunked) //From Transfer-Encoding header
Michael J. Spencer 1:f5ac63519541 88 {
Michael J. Spencer 1:f5ac63519541 89 m_chunked = chunked;
Michael J. Spencer 1:f5ac63519541 90 }
Michael J. Spencer 1:f5ac63519541 91
Michael J. Spencer 1:f5ac63519541 92 void HTTPMap::setDataLen(int len) //From Content-Length header, or if the transfer is chunked, next chunk length
Michael J. Spencer 1:f5ac63519541 93 {
Michael J. Spencer 1:f5ac63519541 94 m_len += len; //Useful so that we can parse string when last byte is written if not chunked
Michael J. Spencer 1:f5ac63519541 95 m_buf.reserve( m_len );
Michael J. Spencer 1:f5ac63519541 96 }
Michael J. Spencer 1:f5ac63519541 97
Michael J. Spencer 1:f5ac63519541 98 void HTTPMap::generateString()
Michael J. Spencer 1:f5ac63519541 99 {
Michael J. Spencer 1:f5ac63519541 100 Dictionary::iterator it;
Michael J. Spencer 1:f5ac63519541 101 bool first = true;
Michael J. Spencer 1:f5ac63519541 102 while( !Dictionary::empty() )
Michael J. Spencer 1:f5ac63519541 103 {
Michael J. Spencer 1:f5ac63519541 104 if(!first)
Michael J. Spencer 1:f5ac63519541 105 {
Michael J. Spencer 1:f5ac63519541 106 m_buf.append( m_pairSep );
Michael J. Spencer 1:f5ac63519541 107 }
Michael J. Spencer 1:f5ac63519541 108 else
Michael J. Spencer 1:f5ac63519541 109 {
Michael J. Spencer 1:f5ac63519541 110 first = false;
Michael J. Spencer 1:f5ac63519541 111 }
Michael J. Spencer 1:f5ac63519541 112 it = Dictionary::begin();
Michael J. Spencer 1:f5ac63519541 113 m_buf.append( Url::encode( (*it).first ) );
Michael J. Spencer 1:f5ac63519541 114 m_buf.append( m_keyValueSep );
Michael J. Spencer 1:f5ac63519541 115 m_buf.append( Url::encode( (*it).second ) );
Michael J. Spencer 1:f5ac63519541 116 Dictionary::erase(it); //Free memory as we process data
Michael J. Spencer 1:f5ac63519541 117 }
Michael J. Spencer 1:f5ac63519541 118 m_len = m_buf.length();
Michael J. Spencer 1:f5ac63519541 119 DBG("\r\nData [len %d]:\r\n%s\r\n", m_len, m_buf.c_str());
Michael J. Spencer 1:f5ac63519541 120 }
Michael J. Spencer 1:f5ac63519541 121
Michael J. Spencer 1:f5ac63519541 122 void HTTPMap::parseString()
Michael J. Spencer 1:f5ac63519541 123 {
Michael J. Spencer 1:f5ac63519541 124 string key;
Michael J. Spencer 1:f5ac63519541 125 string value;
Michael J. Spencer 1:f5ac63519541 126
Michael J. Spencer 1:f5ac63519541 127 int pos = 0;
Michael J. Spencer 1:f5ac63519541 128
Michael J. Spencer 1:f5ac63519541 129 int key_pos;
Michael J. Spencer 1:f5ac63519541 130 int key_len;
Michael J. Spencer 1:f5ac63519541 131
Michael J. Spencer 1:f5ac63519541 132 int value_pos;
Michael J. Spencer 1:f5ac63519541 133 int value_len;
Michael J. Spencer 1:f5ac63519541 134
Michael J. Spencer 1:f5ac63519541 135 bool eof = false;
Michael J. Spencer 1:f5ac63519541 136 while(!eof)
Michael J. Spencer 1:f5ac63519541 137 {
Michael J. Spencer 1:f5ac63519541 138 key_pos = pos;
Michael J. Spencer 1:f5ac63519541 139 value_pos = m_buf.find(m_keyValueSep, pos);
Michael J. Spencer 1:f5ac63519541 140 if(value_pos < 0)
Michael J. Spencer 1:f5ac63519541 141 {
Michael J. Spencer 1:f5ac63519541 142 //Parse error, break
Michael J. Spencer 1:f5ac63519541 143 break;
Michael J. Spencer 1:f5ac63519541 144 }
Michael J. Spencer 1:f5ac63519541 145
Michael J. Spencer 1:f5ac63519541 146 key_len = value_pos - key_pos;
Michael J. Spencer 1:f5ac63519541 147
Michael J. Spencer 1:f5ac63519541 148 value_pos+= m_keyValueSep.length();
Michael J. Spencer 1:f5ac63519541 149
Michael J. Spencer 1:f5ac63519541 150 pos = m_buf.find( m_pairSep, value_pos );
Michael J. Spencer 1:f5ac63519541 151 if(pos < 0) //Not found
Michael J. Spencer 1:f5ac63519541 152 {
Michael J. Spencer 1:f5ac63519541 153 pos = m_buf.length();
Michael J. Spencer 1:f5ac63519541 154 eof = true;
Michael J. Spencer 1:f5ac63519541 155 }
Michael J. Spencer 1:f5ac63519541 156
Michael J. Spencer 1:f5ac63519541 157 value_len = pos - value_pos;
Michael J. Spencer 1:f5ac63519541 158
Michael J. Spencer 1:f5ac63519541 159 pos += m_pairSep.length();
Michael J. Spencer 1:f5ac63519541 160
Michael J. Spencer 1:f5ac63519541 161 //Append elenent
Michael J. Spencer 1:f5ac63519541 162 Dictionary::operator[]( Url::decode( m_buf.substr(key_pos, key_len) ) ) = Url::decode( m_buf.substr(value_pos, value_len) );
Michael J. Spencer 1:f5ac63519541 163 }
Michael J. Spencer 1:f5ac63519541 164
Michael J. Spencer 1:f5ac63519541 165 m_buf.clear(); //Free data
Michael J. Spencer 1:f5ac63519541 166
Michael J. Spencer 1:f5ac63519541 167 }