ArduinoHttpClient/src/URLEncoder.cpp at master · arduino-libraries/ArduinoHttpClient · GitHub

History

53 lines (39 loc) · 1.1 KB

Raw

// Library to simplify HTTP fetching on Arduino

// (c) Copyright Arduino. 2019

// Released under Apache License, version 2.0

#include "URLEncoder.h"

URLEncoderClass::URLEncoderClass()

{

}

URLEncoderClass::~URLEncoderClass()

{

}

String URLEncoderClass::encode(const char* str)

{

return encode(str, strlen(str));

}

String URLEncoderClass::encode(const String& str)

{

return encode(str.c_str(), str.length());

}

String URLEncoderClass::encode(const char* str, int length)

{

String encoded;

encoded.reserve(length);

for (int i = 0; i < length; i++) {

char c = str[i];

const char HEX_DIGIT_MAPPER[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};

if (isAlphaNumeric(c) || (c == '-') || (c == '.') || (c == '_') || (c == '~')) {

encoded += c;

} else {

char s[4];

s[0] = '%';

s[1] = HEX_DIGIT_MAPPER[(c >> 4) & 0xf];

s[2] = HEX_DIGIT_MAPPER[(c & 0x0f)];

s[3] = 0;

encoded += s;

}

return encoded;

}

URLEncoderClass URLEncoder;

ArduinoHttpClient/src/URLEncoder.cpp at master · arduino-libraries/ArduinoHttpClient · GitHub

Expand file tree

Breadcrumbs

URLEncoder.cpp

Latest commit

History

Breadcrumbs

URLEncoder.cpp

File metadata and controls