1 files changed, 82 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.7/src/StreamWriter.cpp b/Build/source/texk/dvisvgm/dvisvgm-1.7/src/StreamWriter.cpp
new file mode 100644
index 00000000000..203a1788f87
--- /dev/null
+++ b/Build/source/texk/dvisvgm/dvisvgm-1.7/src/StreamWriter.cpp
@@ -0,0 +1,82 @@
+/*************************************************************************
+** StreamWriter.cpp                                                     **
+**                                                                      **
+** This file is part of dvisvgm -- the DVI to SVG converter             **
+** Copyright (C) 2005-2014 Martin Gieseking <martin.gieseking@uos.de>   **
+**                                                                      **
+** This program 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 3 of       **
+** the License, or (at your option) any later version.                  **
+**                                                                      **
+** This program 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 this program; if not, see <http://www.gnu.org/licenses/>. **
+*************************************************************************/
+
+#include <config.h>
+#include "CRC32.h"
+#include "StreamWriter.h"
+
+using namespace std;
+
+
+/** Writes an unsigned integer to the output stream.
+ *  @param[in] val the value to write
+ *  @param[in] n number of bytes to be considered */
+void StreamWriter::writeUnsigned (UInt32 val, int n) {
+	for (n--; n >= 0; n--)
+		_os.put((val >> (8*n)) & 0xff);
+}
+
+
+/** Writes a signed integer to the output stream.
+ *  @param[in] val the value to write
+ *  @param[in] n number of bytes to be considered */
+void StreamWriter::writeSigned (Int32 val, int n) {
+	writeUnsigned((UInt32)val, n);
+}
+
+
+/** Writes a signed integer to the output stream.
+ *  @param[in] val the value to write
+ *  @param[in] finalZero if true, a final 0-byte is appended */
+void StreamWriter::writeString (const string &str, bool finalZero) {
+	for (size_t i=0; i < str.length(); i++)
+		_os.put(str[i]);
+	if (finalZero)
+		_os.put(0);
+}
+
+
+/** Writes an unsigned integer to the output stream.
+ *  @param[in] val the value to write
+ *  @param[in] n number of bytes to be considered
+ *  @param[in,out] crc32 checksum to be updated */
+void StreamWriter::writeUnsigned (UInt32 val, int n, CRC32 &crc32) {
+	writeUnsigned(val, n);
+	crc32.update(val, n);
+}
+
+
+/** Writes a signed integer to the output stream and updates the CRC32 checksum.
+ *  @param[in] val the value to write
+ *  @param[in] n number of bytes to be considered
+ *  @param[in,out] crc32 checksum to be updated */
+void StreamWriter::writeSigned (Int32 val, int n, CRC32 &crc32) {
+	writeUnsigned((UInt32)val, n, crc32);
+}
+
+
+/** Writes a string to the output stream and updates the CRC32 checksum.
+ *  @param[in] str the string to write
+ *  @param[in,out] crc32 checksum to be updated
+ *  @param[in] finalZero if true, a final 0-byte is appended */
+void StreamWriter::writeString (const std::string &str, CRC32 &crc32, bool finalZero) {
+	writeString(str, finalZero);
+	crc32.update((const UInt8*)str.c_str(), str.length() + (finalZero ? 1 : 0));
+}