mirror of
https://github.com/mumble-voip/mumble.git
synced 2025-10-26 11:19:16 +00:00
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
// Copyright 2005-2020 The Mumble Developers. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license
|
|
// that can be found in the LICENSE file at the root of the
|
|
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
|
|
|
|
#ifndef MUMBLE_MUMBLE_PLUGIN_UTILS_H_
|
|
#define MUMBLE_MUMBLE_PLUGIN_UTILS_H_
|
|
|
|
#include <codecvt>
|
|
#include <locale>
|
|
|
|
static inline std::string utf16ToUtf8(const std::wstring &wstr) {
|
|
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> conv;
|
|
return conv.to_bytes(wstr);
|
|
}
|
|
|
|
// escape lossily converts the given
|
|
// string to ASCII, replacing any
|
|
// character not within the printable
|
|
// ASCII region (32-126) with an ASCII
|
|
// space character.
|
|
//
|
|
// escape also replaces any double quote
|
|
// characters with an ASCII space. This
|
|
// allows the string to be safely used
|
|
// when constructing JSON documents via
|
|
// string concatenation.
|
|
//
|
|
// Finally, escape ensures that the given
|
|
// string is NUL-terminated by always
|
|
// setting the last byte of the input
|
|
// string to the value 0.
|
|
static inline void escape(char *str, const size_t &size) {
|
|
// Ensure the input string is properly NUL-terminated.
|
|
str[size - 1] = 0;
|
|
char *c = str;
|
|
|
|
while (*c != '\0') {
|
|
// For JSON compatibility, the string
|
|
// can't contain double quotes.
|
|
// If a double quote is found, replace
|
|
// it with an ASCII space.
|
|
if (*c == '"') {
|
|
*c = ' ';
|
|
}
|
|
|
|
// Ensure the string is within printable
|
|
// ASCII. If not, replace the offending
|
|
// byte with an ASCII space.
|
|
if (*c < 32 || *c > 126) {
|
|
*c = ' ';
|
|
}
|
|
|
|
c += 1;
|
|
}
|
|
}
|
|
|
|
#endif
|