1 files changed, 136 insertions, 0 deletions
diff --git a/src/freetype/cffparse.h b/src/freetype/cffparse.h
new file mode 100644
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+++ b/src/freetype/cffparse.h
@@ -0,0 +1,136 @@
+/***************************************************************************/
+/*                                                                         */
+/*  cffparse.h                                                             */
+/*                                                                         */
+/*    CFF token stream parser (specification)                              */
+/*                                                                         */
+/*  Copyright 1996-2018 by                                                 */
+/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
+/*                                                                         */
+/*  This file is part of the FreeType project, and may only be used,       */
+/*  modified, and distributed under the terms of the FreeType project      */
+/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
+/*  this file you indicate that you have read the license and              */
+/*  understand and accept it fully.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+
+#ifndef CFFPARSE_H_
+#define CFFPARSE_H_
+
+
+#include "ft2build.h"
+#include FT_INTERNAL_CFF_TYPES_H
+#include FT_INTERNAL_OBJECTS_H
+
+
+FT_BEGIN_HEADER
+
+
+  /* CFF uses constant parser stack size; */
+  /* CFF2 can increase from default 193   */
+#define CFF_MAX_STACK_DEPTH  96
+
+  /*
+   *  There are plans to remove the `maxstack' operator in a forthcoming
+   *  revision of the CFF2 specification, increasing the (then static) stack
+   *  size to 513.  By making the default stack size equal to the maximum
+   *  stack size, the operator is essentially disabled, which has the
+   *  desired effect in FreeType.
+   */
+#define CFF2_MAX_STACK      513
+#define CFF2_DEFAULT_STACK  513
+
+#define CFF_CODE_TOPDICT    0x1000
+#define CFF_CODE_PRIVATE    0x2000
+#define CFF2_CODE_TOPDICT   0x3000
+#define CFF2_CODE_FONTDICT  0x4000
+#define CFF2_CODE_PRIVATE   0x5000
+
+
+  typedef struct  CFF_ParserRec_
+  {
+    FT_Library  library;
+    FT_Byte*    start;
+    FT_Byte*    limit;
+    FT_Byte*    cursor;
+
+    FT_Byte**   stack;
+    FT_Byte**   top;
+    FT_UInt     stackSize;  /* allocated size */
+
+    FT_UInt     object_code;
+    void*       object;
+
+    FT_UShort   num_designs; /* a copy of `CFF_FontRecDict->num_designs' */
+    FT_UShort   num_axes;    /* a copy of `CFF_FontRecDict->num_axes'    */
+
+  } CFF_ParserRec, *CFF_Parser;
+
+
+  FT_LOCAL( FT_Long )
+  cff_parse_num( CFF_Parser  parser,
+                 FT_Byte**   d );
+
+  FT_LOCAL( FT_Error )
+  cff_parser_init( CFF_Parser  parser,
+                   FT_UInt     code,
+                   void*       object,
+                   FT_Library  library,
+                   FT_UInt     stackSize,
+                   FT_UShort   num_designs,
+                   FT_UShort   num_axes );
+
+  FT_LOCAL( void )
+  cff_parser_done( CFF_Parser  parser );
+
+  FT_LOCAL( FT_Error )
+  cff_parser_run( CFF_Parser  parser,
+                  FT_Byte*    start,
+                  FT_Byte*    limit );
+
+
+  enum
+  {
+    cff_kind_none = 0,
+    cff_kind_num,
+    cff_kind_fixed,
+    cff_kind_fixed_thousand,
+    cff_kind_string,
+    cff_kind_bool,
+    cff_kind_delta,
+    cff_kind_callback,
+    cff_kind_blend,
+
+    cff_kind_max  /* do not remove */
+  };
+
+
+  /* now generate handlers for the most simple fields */
+  typedef FT_Error  (*CFF_Field_Reader)( CFF_Parser  parser );
+
+  typedef struct  CFF_Field_Handler_
+  {
+    int               kind;
+    int               code;
+    FT_UInt           offset;
+    FT_Byte           size;
+    CFF_Field_Reader  reader;
+    FT_UInt           array_max;
+    FT_UInt           count_offset;
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+    const char*       id;
+#endif
+
+  } CFF_Field_Handler;
+
+
+FT_END_HEADER
+
+
+#endif /* CFFPARSE_H_ */
+
+
+/* END */