Issue #1288 - Part 4: Update the OpenType Sanitizer component to 8.0.0

gfx/ots/src/cff.h

@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2009-2017 The OTS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -11,34 +11,81 @@
 #include <string>
 #include <vector>
 
+#undef major // glibc defines major!
+
 namespace ots {
 
 struct CFFIndex {
   CFFIndex()
       : count(0), off_size(0), offset_to_next(0) {}
-  uint16_t count;
+  uint32_t count;
   uint8_t off_size;
   std::vector<uint32_t> offsets;
   uint32_t offset_to_next;
 };
 
-struct OpenTypeCFF {
-  const uint8_t *data;
-  size_t length;
+typedef std::map<uint32_t, uint16_t> CFFFDSelect;
+
+class OpenTypeCFF : public Table {
+ public:
+  explicit OpenTypeCFF(Font *font, uint32_t tag)
+      : Table(font, tag, tag),
+        major(0),
+        font_dict_length(0),
+        charstrings_index(NULL),
+        local_subrs(NULL),
+        m_data(NULL),
+        m_length(0) {
+  }
+
+  ~OpenTypeCFF();
+
+  bool Parse(const uint8_t *data, size_t length);
+  bool Serialize(OTSStream *out);
+
+  // Major version number.
+  uint8_t major;
+
   // Name INDEX. This name is used in name.cc as a postscript font name.
   std::string name;
 
   // The number of fonts the file has.
   size_t font_dict_length;
   // A map from glyph # to font #.
-  std::map<uint16_t, uint8_t> fd_select;
+  CFFFDSelect fd_select;
 
   // A list of char strings.
-  std::vector<CFFIndex *> char_strings_array;
+  CFFIndex* charstrings_index;
   // A list of Local Subrs associated with FDArrays. Can be empty.
   std::vector<CFFIndex *> local_subrs_per_font;
   // A Local Subrs associated with Top DICT. Can be NULL.
   CFFIndex *local_subrs;
+
+  // CFF2 VariationStore regionIndexCount.
+  std::vector<uint16_t> region_index_count;
+
+ protected:
+  bool ValidateFDSelect(uint16_t num_glyphs);
+
+ private:
+  const uint8_t *m_data;
+  size_t m_length;
+};
+
+class OpenTypeCFF2 : public OpenTypeCFF {
+ public:
+  explicit OpenTypeCFF2(Font *font, uint32_t tag)
+      : OpenTypeCFF(font, tag),
+        m_data(NULL),
+        m_length(0) {
+  }
+
+  bool Parse(const uint8_t *data, size_t length);
+  bool Serialize(OTSStream *out);
+
+ private:
+  const uint8_t *m_data;
+  size_t m_length;
 };
 
 }  // namespace ots