// 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. #ifndef OTS_H_ #define OTS_H_ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <stddef.h> #include <cstdarg> #include <cstddef> #include <cstdio> #include <cstdlib> #include <cstring> #include <limits> #include <map> #include "opentype-sanitiser.h" // arraysize borrowed from base/basictypes.h template <typename T, size_t N> char (&ArraySizeHelper(T (&array)[N]))[N]; #define arraysize(array) … namespace ots { #if !defined(OTS_DEBUG) #define OTS_FAILURE() … #else #define OTS_FAILURE … #endif // All OTS_FAILURE_* macros ultimately evaluate to 'false', just like the original // message-less OTS_FAILURE(), so that the current parser will return 'false' as // its result (indicating a failure). #if !defined(OTS_DEBUG) #define OTS_MESSAGE_(level,otf_,...) … #else #define OTS_MESSAGE_ … #endif // Generate a simple message #define OTS_FAILURE_MSG_(otf_,...) … #define OTS_WARNING_MSG_(otf_,...) … // Convenience macros for use in files that only handle a single table tag, // defined as TABLE_NAME at the top of the file; the 'file' variable is // expected to be the current FontFile pointer. #define OTS_FAILURE_MSG(...) … #define OTS_WARNING(...) … // ----------------------------------------------------------------------------- // Buffer helper class // // This class perform some trival buffer operations while checking for // out-of-bounds errors. As a family they return false if anything is amiss, // updating the current offset otherwise. // ----------------------------------------------------------------------------- class Buffer { … }; // Round a value up to the nearest multiple of 4. Don't round the value in the // case that rounding up overflows. template<typename T> T Round4(T value) { … } template<typename T> T Round2(T value) { … } // Check that a tag consists entirely of printable ASCII characters bool CheckTag(uint32_t tag_value); #define OTS_TAG_CFF … #define OTS_TAG_CFF2 … #define OTS_TAG_CMAP … #define OTS_TAG_CVT … #define OTS_TAG_FEAT … #define OTS_TAG_FPGM … #define OTS_TAG_GASP … #define OTS_TAG_GDEF … #define OTS_TAG_GLAT … #define OTS_TAG_GLOC … #define OTS_TAG_GLYF … #define OTS_TAG_GPOS … #define OTS_TAG_GSUB … #define OTS_TAG_HDMX … #define OTS_TAG_HEAD … #define OTS_TAG_HHEA … #define OTS_TAG_HMTX … #define OTS_TAG_KERN … #define OTS_TAG_LOCA … #define OTS_TAG_LTSH … #define OTS_TAG_MATH … #define OTS_TAG_MAXP … #define OTS_TAG_NAME … #define OTS_TAG_OS2 … #define OTS_TAG_POST … #define OTS_TAG_PREP … #define OTS_TAG_SILE … #define OTS_TAG_SILF … #define OTS_TAG_SILL … #define OTS_TAG_VDMX … #define OTS_TAG_VHEA … #define OTS_TAG_VMTX … #define OTS_TAG_VORG … #define OTS_TAG_AVAR … #define OTS_TAG_CVAR … #define OTS_TAG_FVAR … #define OTS_TAG_GVAR … #define OTS_TAG_HVAR … #define OTS_TAG_MVAR … #define OTS_TAG_VVAR … #define OTS_TAG_STAT … // See https://github.com/khaledhosny/ots/issues/219 #define OTS_MAX_DECOMPRESSED_FILE_SIZE … #define OTS_MAX_DECOMPRESSED_TABLE_SIZE … struct Font; struct FontFile; struct TableEntry; struct Arena; class Table { … }; class TablePassthru : public Table { … }; struct Font { … }; struct TableEntry { … }; struct FontFile { … }; } // namespace ots #endif // OTS_H_
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