1 files changed, 81 insertions, 0 deletions
diff --git a/third_party/harfbuzz/src/harfbuzz-stream-private.h b/third_party/harfbuzz/src/harfbuzz-stream-private.h
new file mode 100644
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+++ b/third_party/harfbuzz/src/harfbuzz-stream-private.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 1998-2004  David Turner and Werner Lemberg
+ * Copyright (C) 2006  Behdad Esfahbod
+ *
+ * This is part of HarfBuzz, an OpenType Layout engine library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ */
+
+#ifndef HARFBUZZ_STREAM_PRIVATE_H
+#define HARFBUZZ_STREAM_PRIVATE_H
+
+#include "harfbuzz-impl.h"
+#include "harfbuzz-stream.h"
+
+HB_BEGIN_HEADER
+
+HB_INTERNAL void
+_hb_close_stream( HB_Stream stream );
+
+HB_INTERNAL HB_Int
+_hb_stream_pos( HB_Stream stream );
+
+HB_INTERNAL HB_Error
+_hb_stream_seek( HB_Stream stream,
+                 HB_UInt   pos );
+
+HB_INTERNAL HB_Error
+_hb_stream_frame_enter( HB_Stream stream,
+                        HB_UInt   size );
+
+HB_INTERNAL void
+_hb_stream_frame_exit( HB_Stream stream );
+
+/* convenience macros */
+
+#define  SET_ERR(c)   ( (error = (c)) != 0 )
+
+#define  GOTO_Table(tag) (0)
+#define  FILE_Pos()      _hb_stream_pos( stream )
+#define  FILE_Seek(pos)  SET_ERR( _hb_stream_seek( stream, pos ) )
+#define  ACCESS_Frame(size)  SET_ERR( _hb_stream_frame_enter( stream, size ) )
+#define  FORGET_Frame()      _hb_stream_frame_exit( stream )
+
+#define  GET_Byte()      (*stream->cursor++)
+#define  GET_Short()     (stream->cursor += 2, (HB_Short)( \
+				(*(((HB_Byte*)stream->cursor)-2) << 8) | \
+				 *(((HB_Byte*)stream->cursor)-1) \
+			 ))
+#define  GET_Long()      (stream->cursor += 4, (HB_Int)( \
+				(*(((HB_Byte*)stream->cursor)-4) << 24) | \
+				(*(((HB_Byte*)stream->cursor)-3) << 16) | \
+				(*(((HB_Byte*)stream->cursor)-2) << 8) | \
+				 *(((HB_Byte*)stream->cursor)-1) \
+			 ))
+
+
+#define  GET_Char()      ((HB_Char)GET_Byte())
+#define  GET_UShort()    ((HB_UShort)GET_Short())
+#define  GET_ULong()     ((HB_UInt)GET_Long())
+#define  GET_Tag4()      GET_ULong()
+
+HB_END_HEADER
+
+#endif /* HARFBUZZ_STREAM_PRIVATE_H */