| // Copyright 2014 the V8 project 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 V8_OSTREAMS_H_ |
| #define V8_OSTREAMS_H_ |
| |
| #include <cstddef> |
| #include <cstdio> |
| #include <cstring> |
| #include <ostream> // NOLINT |
| #include <streambuf> |
| |
| #include "include/v8config.h" |
| #include "src/base/macros.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| class OFStreamBase : public std::streambuf { |
| protected: |
| explicit OFStreamBase(FILE* f); |
| virtual ~OFStreamBase(); |
| |
| virtual int_type sync() FINAL; |
| virtual int_type overflow(int_type c) FINAL; |
| |
| private: |
| FILE* const f_; |
| |
| DISALLOW_COPY_AND_ASSIGN(OFStreamBase); |
| }; |
| |
| |
| // An output stream writing to a file. |
| class OFStream FINAL : private virtual OFStreamBase, public std::ostream { |
| public: |
| explicit OFStream(FILE* f); |
| ~OFStream(); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(OFStream); |
| }; |
| |
| |
| // Wrappers to disambiguate uint16_t and uc16. |
| struct AsUC16 { |
| explicit AsUC16(uint16_t v) : value(v) {} |
| uint16_t value; |
| }; |
| |
| |
| struct AsReversiblyEscapedUC16 { |
| explicit AsReversiblyEscapedUC16(uint16_t v) : value(v) {} |
| uint16_t value; |
| }; |
| |
| |
| // Writes the given character to the output escaping everything outside of |
| // printable/space ASCII range. Additionally escapes '\' making escaping |
| // reversible. |
| std::ostream& operator<<(std::ostream& os, const AsReversiblyEscapedUC16& c); |
| |
| // Writes the given character to the output escaping everything outside |
| // of printable ASCII range. |
| std::ostream& operator<<(std::ostream& os, const AsUC16& c); |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_OSTREAMS_H_ |