linphone-iphone/src/utils/utils.cpp
2017-08-30 10:27:51 +02:00

91 lines
2.3 KiB
C++

/*
* utils.cpp
* Copyright (C) 2017 Belledonne Communications SARL
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <cstdlib>
#include <bctoolbox/port.h>
#include "utils.h"
// =============================================================================
using namespace std;
LINPHONE_BEGIN_NAMESPACE
bool Utils::iequals (const string &a, const string &b) {
size_t size = a.size();
if (b.size() != size)
return false;
for (size_t i = 0; i < size; ++i) {
if (tolower(a[i]) != tolower(b[i]))
return false;
}
return true;
}
vector<string> Utils::split (const string &str, const string &delimiter) {
vector<string> out;
size_t pos = 0, oldPos = 0;
for (; (pos = str.find(delimiter, pos)) != string::npos; oldPos = pos + 1, pos = oldPos)
out.push_back(str.substr(oldPos, pos - oldPos));
out.push_back(str.substr(oldPos));
return out;
}
int Utils::stoi (const string &str, size_t *idx, int base) {
char *p;
int v = strtol(str.c_str(), &p, base);
if (idx)
*idx = p - str.c_str();
return v;
}
char *Utils::utf8ToChar (uint32_t ic) {
char *result = new char[5];
int size = 0;
if (ic < 0x80) {
result[0] = ic;
size = 1;
} else if (ic < 0x800) {
result[1] = 0x80 + ((ic & 0x3F));
result[0] = 0xC0 + ((ic >> 6) & 0x1F);
size = 2;
} else if (ic < 0x100000) {
result[2] = 0x80 + (ic & 0x3F);
result[1] = 0x80 + ((ic >> 6) & 0x3F);
result[0] = 0xE0 + ((ic >> 12) & 0xF);
size = 3;
} else if (ic < 0x110000) {
result[3] = 0x80 + (ic & 0x3F);
result[2] = 0x80 + ((ic >> 6) & 0x3F);
result[1] = 0x80 + ((ic >> 12) & 0x3F);
result[0] = 0xF0 + ((ic >> 18) & 0x7);
size = 4;
}
result[size] = '\0';
return result;
}
LINPHONE_END_NAMESPACE