forked from mia/Aegisub
49 lines
1.8 KiB
C++
49 lines
1.8 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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#include <iosfwd>
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#include <memory>
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#include <string>
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#include <libaegisub/fs_fwd.h>
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#include <libaegisub/line_iterator.h>
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namespace agi { class read_file_mapping; }
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/// @class TextFileReader
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/// @brief A line-based text file reader
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class TextFileReader {
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std::unique_ptr<agi::read_file_mapping> file;
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std::unique_ptr<std::istream> stream;
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bool trim;
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agi::line_iterator<std::string> iter;
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public:
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/// @brief Constructor
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/// @param filename File to open
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/// @param enc Encoding to use, or empty to autodetect
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/// @param trim Whether to trim whitespace from lines read
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TextFileReader(agi::fs::path const& filename, std::string encoding, bool trim=true);
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/// @brief Destructor
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~TextFileReader();
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/// @brief Read a line from the file
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/// @return The line, possibly trimmed
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std::string ReadLineFromFile();
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/// @brief Check if there are any more lines to read
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bool HasMoreLines() const { return iter != agi::line_iterator<std::string>(); }
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};
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