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/*
* This file is part of Poedit (https://poedit.net)
*
* Copyright (C) 2014-2016 Vaclav Slavik
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*/
#include "syntaxhighlighter.h"
#include <unicode/uchar.h>
void SyntaxHighlighter::Highlight(const std::wstring& s, SyntaxHighlighter::CallbackType highlight)
{
if (s.empty())
return;
const int length = int(s.length());
for (auto i = s.begin(); i != s.end(); ++i)
{
if (!u_isblank(*i))
{
int wlen = int(i - s.begin());
if (wlen)
highlight(0, wlen, LeadingWhitespace);
break;
}
}
for (auto i = s.rbegin(); i != s.rend(); ++i)
{
if (!u_isblank(*i))
{
int wlen = int(i - s.rbegin());
if (wlen)
highlight(length - wlen, length, LeadingWhitespace);
break;
}
}
for (auto i = s.begin(); i != s.end(); ++i)
{
if (*i == '\\')
{
int pos = int(i - s.begin());
if (++i == s.end())
break;
// Note: this must match AnyTranslatableTextCtrl::EscapePlainText()
switch (*i)
{
case '0':
case 'n':
case 'r':
case 't':
case '\\':
highlight(pos, pos + 2, Escape);
break;
default:
break;
}
}
}
}
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