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-rw-r--r--Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/buffer.h164
1 files changed, 0 insertions, 164 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/buffer.h b/Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/buffer.h
deleted file mode 100644
index 7240e5181ce..00000000000
--- a/Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/buffer.h
+++ /dev/null
@@ -1,164 +0,0 @@
-/* Copyright 2013 Google Inc. All Rights Reserved.
-
- Distributed under MIT license.
- See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
-*/
-
-/* The parts of ots.h & opentype-sanitiser.h that we need, taken from the
- https://code.google.com/p/ots/ project. */
-
-#ifndef WOFF2_BUFFER_H_
-#define WOFF2_BUFFER_H_
-
-#if defined(_WIN32)
-#include <stdlib.h>
-typedef signed char int8_t;
-typedef unsigned char uint8_t;
-typedef short int16_t;
-typedef unsigned short uint16_t;
-typedef int int32_t;
-typedef unsigned int uint32_t;
-typedef __int64 int64_t;
-typedef unsigned __int64 uint64_t;
-#define ntohl(x) _byteswap_ulong (x)
-#define ntohs(x) _byteswap_ushort (x)
-#define htonl(x) _byteswap_ulong (x)
-#define htons(x) _byteswap_ushort (x)
-#else
-#include <arpa/inet.h>
-#include <stdint.h>
-#endif
-
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <limits>
-
-namespace woff2 {
-
-#if defined(_MSC_VER) || !defined(FONT_COMPRESSION_DEBUG)
-#define FONT_COMPRESSION_FAILURE() false
-#else
-#define FONT_COMPRESSION_FAILURE() \
- woff2::Failure(__FILE__, __LINE__, __PRETTY_FUNCTION__)
-inline bool Failure(const char *f, int l, const char *fn) {
- fprintf(stderr, "ERROR at %s:%d (%s)\n", f, l, fn);
- fflush(stderr);
- return false;
-}
-#endif
-
-// -----------------------------------------------------------------------------
-// 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 {
- public:
- Buffer(const uint8_t *data, size_t len)
- : buffer_(data),
- length_(len),
- offset_(0) { }
-
- bool Skip(size_t n_bytes) {
- return Read(NULL, n_bytes);
- }
-
- bool Read(uint8_t *data, size_t n_bytes) {
- if (n_bytes > 1024 * 1024 * 1024) {
- return FONT_COMPRESSION_FAILURE();
- }
- if ((offset_ + n_bytes > length_) ||
- (offset_ > length_ - n_bytes)) {
- return FONT_COMPRESSION_FAILURE();
- }
- if (data) {
- std::memcpy(data, buffer_ + offset_, n_bytes);
- }
- offset_ += n_bytes;
- return true;
- }
-
- inline bool ReadU8(uint8_t *value) {
- if (offset_ + 1 > length_) {
- return FONT_COMPRESSION_FAILURE();
- }
- *value = buffer_[offset_];
- ++offset_;
- return true;
- }
-
- bool ReadU16(uint16_t *value) {
- if (offset_ + 2 > length_) {
- return FONT_COMPRESSION_FAILURE();
- }
- std::memcpy(value, buffer_ + offset_, sizeof(uint16_t));
- *value = ntohs(*value);
- offset_ += 2;
- return true;
- }
-
- bool ReadS16(int16_t *value) {
- return ReadU16(reinterpret_cast<uint16_t*>(value));
- }
-
- bool ReadU24(uint32_t *value) {
- if (offset_ + 3 > length_) {
- return FONT_COMPRESSION_FAILURE();
- }
- *value = static_cast<uint32_t>(buffer_[offset_]) << 16 |
- static_cast<uint32_t>(buffer_[offset_ + 1]) << 8 |
- static_cast<uint32_t>(buffer_[offset_ + 2]);
- offset_ += 3;
- return true;
- }
-
- bool ReadU32(uint32_t *value) {
- if (offset_ + 4 > length_) {
- return FONT_COMPRESSION_FAILURE();
- }
- std::memcpy(value, buffer_ + offset_, sizeof(uint32_t));
- *value = ntohl(*value);
- offset_ += 4;
- return true;
- }
-
- bool ReadS32(int32_t *value) {
- return ReadU32(reinterpret_cast<uint32_t*>(value));
- }
-
- bool ReadTag(uint32_t *value) {
- if (offset_ + 4 > length_) {
- return FONT_COMPRESSION_FAILURE();
- }
- std::memcpy(value, buffer_ + offset_, sizeof(uint32_t));
- offset_ += 4;
- return true;
- }
-
- bool ReadR64(uint64_t *value) {
- if (offset_ + 8 > length_) {
- return FONT_COMPRESSION_FAILURE();
- }
- std::memcpy(value, buffer_ + offset_, sizeof(uint64_t));
- offset_ += 8;
- return true;
- }
-
- const uint8_t *buffer() const { return buffer_; }
- size_t offset() const { return offset_; }
- size_t length() const { return length_; }
-
- void set_offset(size_t newoffset) { offset_ = newoffset; }
-
- private:
- const uint8_t * const buffer_;
- const size_t length_;
- size_t offset_;
-};
-
-} // namespace woff2
-
-#endif // WOFF2_BUFFER_H_