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Vocab.h
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/*
* Robot Testing Framework
*
* Copyright (C) 2015-2019 Istituto Italiano di Tecnologia (IIT)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef ROBOTTESTINGFRAMEWORK_VOCAB_H
#define ROBOTTESTINGFRAMEWORK_VOCAB_H
#include <string>
namespace shlibpp {
class Vocab;
// We need a macro for efficient switching.
constexpr int32_t VOCAB(char a, char b = 0, char c = 0, char d = 0)
{
return ((((int32_t)(d)) << 24) + (((int32_t)(c)) << 16) + (((int32_t)(b)) << 8) + ((int32_t)(a)));
}
}
class shlibpp::Vocab
{
public:
static int encode(const std::string& s)
{
char a = '\0';
char b = '\0';
char c = '\0';
char d = '\0';
if (s.length() >= 1) {
a = s[0];
if (s.length() >= 2) {
b = s[1];
if (s.length() >= 3) {
c = s[2];
if (s.length() >= 4) {
d = s[3];
}
}
}
}
return VOCAB(a, b, c, d);
}
static std::string decode(int code)
{
std::string s;
for (int i = 0; i < 4; i++) {
int ch = code % 256;
if (ch > 0) {
s += ((char)ch);
}
code /= 256;
}
return s;
}
};
#endif // ROBOTTESTINGFRAMEWORK_VOCAB_H
shlibpp::Vocab
Definition Vocab.h:39
shlibpp::Vocab::decode
static std::string decode(int code)
Definition Vocab.h:63
shlibpp::Vocab::encode
static int encode(const std::string &s)
Definition Vocab.h:41
shlibpp
Definition SharedLibrary.h:27
shlibpp::VOCAB
constexpr int32_t VOCAB(char a, char b=0, char c=0, char d=0)
Definition Vocab.h:31