/usr/include/woff2/output.h is in libwoff-dev 1.0.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | /* Copyright 2016 Google Inc. All Rights Reserved.
Distributed under MIT license.
See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/
/* Output buffer for WOFF2 decompression. */
#ifndef WOFF2_WOFF2_OUT_H_
#define WOFF2_WOFF2_OUT_H_
#include <algorithm>
#include <cstring>
#include <memory>
#include <string>
namespace woff2 {
// Suggested max size for output.
const size_t kDefaultMaxSize = 30 * 1024 * 1024;
/**
* Output interface for the woff2 decoding.
*
* Writes to arbitrary offsets are supported to facilitate updating offset
* table and checksums after tables are ready. Reading the current size is
* supported so a 'loca' table can be built up while writing glyphs.
*
* By default limits size to kDefaultMaxSize.
*/
class WOFF2Out {
public:
virtual ~WOFF2Out(void) {}
// Append n bytes of data from buf.
// Return true if all written, false otherwise.
virtual bool Write(const void *buf, size_t n) = 0;
// Write n bytes of data from buf at offset.
// Return true if all written, false otherwise.
virtual bool Write(const void *buf, size_t offset, size_t n) = 0;
virtual size_t Size() = 0;
};
/**
* Expanding memory block for woff2 out. By default limited to kDefaultMaxSize.
*/
class WOFF2StringOut : public WOFF2Out {
public:
// Create a writer that writes its data to buf.
// buf->size() will grow to at most max_size
// buf may be sized (e.g. using EstimateWOFF2FinalSize) or empty.
explicit WOFF2StringOut(std::string* buf);
bool Write(const void *buf, size_t n) override;
bool Write(const void *buf, size_t offset, size_t n) override;
size_t Size() override { return offset_; }
size_t MaxSize() { return max_size_; }
void SetMaxSize(size_t max_size);
private:
std::string* buf_;
size_t max_size_;
size_t offset_;
};
/**
* Fixed memory block for woff2 out.
*/
class WOFF2MemoryOut : public WOFF2Out {
public:
// Create a writer that writes its data to buf.
WOFF2MemoryOut(uint8_t* buf, size_t buf_size);
bool Write(const void *buf, size_t n) override;
bool Write(const void *buf, size_t offset, size_t n) override;
size_t Size() override { return offset_; }
private:
uint8_t* buf_;
size_t buf_size_;
size_t offset_;
};
} // namespace woff2
#endif // WOFF2_WOFF2_OUT_H_
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