Rename Data -> ArrayData.

1 files changed, 115 insertions, 0 deletions

diff --git a/src/array_data.cc b/src/array_data.cc
new file mode 100644
index 00000000..9d8473b8
--- /dev/null
+++ b/src/array_data.cc
@@ -0,0 +1,115 @@
+/*
+    Copyright (C) 2015-2020 Carl Hetherington <cth@carlh.net>
+
+    This file is part of libdcp.
+
+    libdcp is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    libdcp is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with libdcp.  If not, see <http://www.gnu.org/licenses/>.
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of portions of this program with the
+    OpenSSL library under certain conditions as described in each
+    individual source file, and distribute linked combinations
+    including the two.
+
+    You must obey the GNU General Public License in all respects
+    for all of the code used other than OpenSSL.  If you modify
+    file(s) with this exception, you may extend this exception to your
+    version of the file(s), but you are not obligated to do so.  If you
+    do not wish to do so, delete this exception statement from your
+    version.  If you delete this exception statement from all source
+    files in the program, then also delete it here.
+*/
+
+#include "array_data.h"
+#include "util.h"
+#include "exceptions.h"
+#include <cstdio>
+#include <cerrno>
+
+using boost::shared_array;
+using namespace dcp;
+
+ArrayData::ArrayData ()
+	: _size (0)
+{
+
+}
+
+ArrayData::ArrayData (int size)
+	: _data (new uint8_t[size])
+	, _size (size)
+{
+
+}
+
+ArrayData::ArrayData (uint8_t const * data, int size)
+	: _data (new uint8_t[size])
+	, _size (size)
+{
+	memcpy (_data.get(), data, size);
+}
+
+ArrayData::ArrayData (shared_array<uint8_t> data, int size)
+	: _data (data)
+	, _size (size)
+{
+
+}
+
+ArrayData::ArrayData (boost::filesystem::path file)
+{
+	_size = boost::filesystem::file_size (file);
+	_data.reset (new uint8_t[_size]);
+
+	FILE* f = fopen_boost (file, "rb");
+	if (!f) {
+		throw FileError ("could not open file for reading", file, errno);
+	}
+
+	size_t const r = fread (_data.get(), 1, _size, f);
+	if (r != size_t (_size)) {
+		fclose (f);
+		throw FileError ("could not read from file", file, errno);
+	}
+
+	fclose (f);
+}
+
+void
+ArrayData::write (boost::filesystem::path file) const
+{
+	FILE* f = fopen_boost (file, "wb");
+	if (!f) {
+		throw FileError ("could not write to file", file, errno);
+	}
+	size_t const r = fwrite (_data.get(), 1, _size, f);
+	if (r != size_t (_size)) {
+		fclose (f);
+		throw FileError ("could not write to file", file, errno);
+	}
+	fclose (f);
+}
+
+void
+ArrayData::write_via_temp (boost::filesystem::path temp, boost::filesystem::path final) const
+{
+	write (temp);
+	boost::filesystem::rename (temp, final);
+}
+
+bool
+dcp::operator== (ArrayData const & a, ArrayData const & b)
+{
+	return (a.size() == b.size() && memcmp (a.data().get(), b.data().get(), a.size()) == 0);
+}