mirror of https://github.com/odrling/Aegisub
67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
// Copyright (c) 2005, Niels Martin Hansen
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright notice,
|
|
// this list of conditions and the following disclaimer in the documentation
|
|
// and/or other materials provided with the distribution.
|
|
// * Neither the name of the Aegisub Group nor the names of its contributors
|
|
// may be used to endorse or promote products derived from this software
|
|
// without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
// POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// Aegisub Project http://www.aegisub.org/
|
|
|
|
/// @file string_codec.cpp
|
|
/// @brief Encode and decode strings so they can safely be stored inside fields in SSA/ASS files
|
|
/// @ingroup utility
|
|
///
|
|
|
|
// Functions for inline string encoding.
|
|
// See header file for details.
|
|
|
|
#include "string_codec.h"
|
|
|
|
#include <libaegisub/format.h>
|
|
|
|
std::string inline_string_encode(const std::string &input) {
|
|
std::string output;
|
|
output.reserve(input.size());
|
|
for (char c : input) {
|
|
if (c <= 0x1F || c == 0x23 || c == 0x2C || c == 0x3A || c == 0x7C)
|
|
output += agi::format("#%02X", (unsigned char)c);
|
|
else
|
|
output += c;
|
|
}
|
|
return output;
|
|
}
|
|
|
|
std::string inline_string_decode(const std::string &input) {
|
|
std::string output;
|
|
output.reserve(input.size());
|
|
for (size_t i = 0; i < input.size(); ++i) {
|
|
if (input[i] != '#' || i + 2 > input.size())
|
|
output += input[i];
|
|
else {
|
|
output += (char)strtol(input.substr(i + 1, 2).c_str(), nullptr, 16);
|
|
i += 2;
|
|
}
|
|
}
|
|
return output;
|
|
}
|