92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
// Copyright (c) 2005, Niels Martin Hansen
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Aegisub Project http://www.aegisub.org/
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//
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// $Id$
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/// @file string_codec.cpp
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/// @brief Encode and decode strings so they can safely be stored inside fields in SSA/ASS files
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/// @ingroup utility
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///
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// Functions for inline string encoding.
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// See header file for details.
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#include "config.h"
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#include "string_codec.h"
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/// @brief DOCME
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/// @param input
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/// @return
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///
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wxString inline_string_encode(const wxString &input)
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{
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const size_t inlen = input.length();
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wxString output("");
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output.Alloc(inlen);
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for (size_t i = 0; i < inlen; i++) {
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wxChar c = input[i];
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if (c <= 0x1F || c == 0x23 || c == 0x2C || c == 0x3A || c == 0x7C) {
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output << wxString::Format("#%02X", c);
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} else {
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output << c;
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}
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}
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return output;
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}
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/// @brief DOCME
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/// @param input
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///
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wxString inline_string_decode(const wxString &input)
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{
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const size_t inlen = input.length();
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wxString output("");
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output.Alloc(inlen);
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size_t i = 0;
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while (i < inlen) {
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if (input[i] == '#') {
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// check if there's actually enough extra characters at the end of the string
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if (inlen - i < 3)
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break;
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wxString charcode = input.Mid(i+1, 2);
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long c;
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if (charcode.ToLong(&c, 16)) {
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output << (wchar_t)c;
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}
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i += 3;
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} else {
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output << input[i++];
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}
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}
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return output;
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}
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