72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
// Copyright (c) 2012, Thomas Goyne <plorkyeran@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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// Aegisub Project http://www.aegisub.org/
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/// @file text_file_reader.cpp
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/// @brief Read plain text files line by line
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/// @ingroup utility
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///
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#include "config.h"
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#include <algorithm>
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#include <cassert>
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#include <cerrno>
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#include <string>
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#include <wx/string.h>
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#include <libaegisub/io.h>
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#include <libaegisub/log.h>
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#include "charset_detect.h"
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#include "compat.h"
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#include "text_file_reader.h"
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TextFileReader::TextFileReader(wxString const& filename, wxString encoding, bool trim)
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: trim(trim)
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{
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if (encoding.empty()) encoding = CharSetDetect::GetEncoding(filename);
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file.reset(agi::io::Open(from_wx(filename), true));
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iter = agi::line_iterator<wxString>(*file, from_wx(encoding));
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}
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TextFileReader::~TextFileReader() {
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}
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wxString TextFileReader::ReadLineFromFile() {
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wxString str = *iter;
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++iter;
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if (trim) str.Trim(true).Trim(false);
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if (str.StartsWith(L"\uFEFF")) str = str.Mid(1);
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return str;
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}
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namespace agi {
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#ifdef _WIN32
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template<> void line_iterator<wxString>::init() {
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conv.reset(new agi::charset::IconvWrapper(encoding.c_str(), "utf-16le"));
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}
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template<> bool line_iterator<wxString>::convert(std::string &str) {
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value = wxString(str.c_str(), wxMBConvUTF16LE(), str.size());
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return true;
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}
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#else
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template<> bool line_iterator<wxString>::convert(std::string &str) {
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value = str;
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return true;
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}
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#endif
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}
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