FBI FRATER / Mbed 2 deprecated InetTest

Library for Bert van Dam's book "ARM MICROCONTROLLERS" For all chapters with internet.

Dependencies:   mbed

NetServices/services/http/util/urlencode.cpp@0:4edb816d21e1, 2015-10-16 (annotated)

Committer:
ICTFBI
Date:
Fri Oct 16 14:28:26 2015 +0000
Revision:
0:4edb816d21e1
Pre-update 16-10-15

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ICTFBI 0:4edb816d21e1 1
ICTFBI 0:4edb816d21e1 2 /*
ICTFBI 0:4edb816d21e1 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
ICTFBI 0:4edb816d21e1 4
ICTFBI 0:4edb816d21e1 5 Permission is hereby granted, free of charge, to any person obtaining a copy
ICTFBI 0:4edb816d21e1 6 of this software and associated documentation files (the "Software"), to deal
ICTFBI 0:4edb816d21e1 7 in the Software without restriction, including without limitation the rights
ICTFBI 0:4edb816d21e1 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
ICTFBI 0:4edb816d21e1 9 copies of the Software, and to permit persons to whom the Software is
ICTFBI 0:4edb816d21e1 10 furnished to do so, subject to the following conditions:
ICTFBI 0:4edb816d21e1 11
ICTFBI 0:4edb816d21e1 12 The above copyright notice and this permission notice shall be included in
ICTFBI 0:4edb816d21e1 13 all copies or substantial portions of the Software.
ICTFBI 0:4edb816d21e1 14
ICTFBI 0:4edb816d21e1 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
ICTFBI 0:4edb816d21e1 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
ICTFBI 0:4edb816d21e1 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
ICTFBI 0:4edb816d21e1 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
ICTFBI 0:4edb816d21e1 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ICTFBI 0:4edb816d21e1 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
ICTFBI 0:4edb816d21e1 21 THE SOFTWARE.
ICTFBI 0:4edb816d21e1 22 */
ICTFBI 0:4edb816d21e1 23
ICTFBI 0:4edb816d21e1 24 #include "url.h"
ICTFBI 0:4edb816d21e1 25 #include <stdlib.h>
ICTFBI 0:4edb816d21e1 26 #include <ctype.h>
ICTFBI 0:4edb816d21e1 27
ICTFBI 0:4edb816d21e1 28 //From http://www.geekhideout.com/urlcode.shtml
ICTFBI 0:4edb816d21e1 29
ICTFBI 0:4edb816d21e1 30 char from_hex(char ch);
ICTFBI 0:4edb816d21e1 31 char to_hex(char code);
ICTFBI 0:4edb816d21e1 32
ICTFBI 0:4edb816d21e1 33 /* Converts a hex character to its integer value */
ICTFBI 0:4edb816d21e1 34 char from_hex(char ch) {
ICTFBI 0:4edb816d21e1 35 return isdigit(ch) ? ch - '0' : tolower(ch) - 'a' + 10;
ICTFBI 0:4edb816d21e1 36 }
ICTFBI 0:4edb816d21e1 37
ICTFBI 0:4edb816d21e1 38 /* Converts an integer value to its hex character*/
ICTFBI 0:4edb816d21e1 39 char to_hex(char code) {
ICTFBI 0:4edb816d21e1 40 static char hex[] = "0123456789abcdef";
ICTFBI 0:4edb816d21e1 41 return hex[code & 15];
ICTFBI 0:4edb816d21e1 42 }
ICTFBI 0:4edb816d21e1 43
ICTFBI 0:4edb816d21e1 44 /* Returns a url-encoded version of str */
ICTFBI 0:4edb816d21e1 45 /* IMPORTANT: be sure to free() the returned string after use */
ICTFBI 0:4edb816d21e1 46 char *url_encode(char *str) {
ICTFBI 0:4edb816d21e1 47 char *pstr = str, *buf = (char*)malloc(strlen(str) * 3 + 1), *pbuf = buf;
ICTFBI 0:4edb816d21e1 48 while (*pstr) {
ICTFBI 0:4edb816d21e1 49 if (isalnum(*pstr) || *pstr == '-' || *pstr == '_' || *pstr == '.' || *pstr == '~')
ICTFBI 0:4edb816d21e1 50 *pbuf++ = *pstr;
ICTFBI 0:4edb816d21e1 51 else if (*pstr == ' ')
ICTFBI 0:4edb816d21e1 52 *pbuf++ = '+';
ICTFBI 0:4edb816d21e1 53 else
ICTFBI 0:4edb816d21e1 54 *pbuf++ = '%', *pbuf++ = to_hex(*pstr >> 4), *pbuf++ = to_hex(*pstr & 15);
ICTFBI 0:4edb816d21e1 55 pstr++;
ICTFBI 0:4edb816d21e1 56 }
ICTFBI 0:4edb816d21e1 57 *pbuf = '\0';
ICTFBI 0:4edb816d21e1 58 return buf;
ICTFBI 0:4edb816d21e1 59 }
ICTFBI 0:4edb816d21e1 60
ICTFBI 0:4edb816d21e1 61 /* Returns a url-decoded version of str */
ICTFBI 0:4edb816d21e1 62 /* IMPORTANT: be sure to free() the returned string after use */
ICTFBI 0:4edb816d21e1 63 char *url_decode(char *str) {
ICTFBI 0:4edb816d21e1 64 char *pstr = str, *buf = (char*)malloc(strlen(str) + 1), *pbuf = buf;
ICTFBI 0:4edb816d21e1 65 while (*pstr) {
ICTFBI 0:4edb816d21e1 66 if (*pstr == '%') {
ICTFBI 0:4edb816d21e1 67 if (pstr[1] && pstr[2]) {
ICTFBI 0:4edb816d21e1 68 *pbuf++ = from_hex(pstr[1]) << 4 | from_hex(pstr[2]);
ICTFBI 0:4edb816d21e1 69 pstr += 2;
ICTFBI 0:4edb816d21e1 70 }
ICTFBI 0:4edb816d21e1 71 } else if (*pstr == '+') {
ICTFBI 0:4edb816d21e1 72 *pbuf++ = ' ';
ICTFBI 0:4edb816d21e1 73 } else {
ICTFBI 0:4edb816d21e1 74 *pbuf++ = *pstr;
ICTFBI 0:4edb816d21e1 75 }
ICTFBI 0:4edb816d21e1 76 pstr++;
ICTFBI 0:4edb816d21e1 77 }
ICTFBI 0:4edb816d21e1 78 *pbuf = '\0';
ICTFBI 0:4edb816d21e1 79 return buf;
ICTFBI 0:4edb816d21e1 80 }