Aegisub/aegisub/src/text_file_reader.cpp

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// Copyright (c) 2012, Thomas Goyne <plorkyeran@aegisub.org>
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//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
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//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
// Aegisub Project http://www.aegisub.org/
/// @file text_file_reader.cpp
/// @brief Read plain text files line by line
/// @ingroup utility
///
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#include "config.h"
#include "text_file_reader.h"
#include <libaegisub/io.h>
#include <algorithm>
#include <boost/algorithm/string/predicate.hpp>
#include <boost/algorithm/string/trim.hpp>
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TextFileReader::TextFileReader(agi::fs::path const& filename, std::string encoding, bool trim)
: file(agi::io::Open(filename, true))
, trim(trim)
, iter(agi::line_iterator<std::string>(*file, encoding))
{
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}
TextFileReader::~TextFileReader() {
}
std::string TextFileReader::ReadLineFromFile() {
std::string str = *iter;
++iter;
if (trim)
boost::trim(str);
if (boost::starts_with(str, "\xEF\xBB\xBF"))
str.erase(0, 3);
return str;
}