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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_OSTREAMS_H_ | 5 #ifndef V8_OSTREAMS_H_ |
6 #define V8_OSTREAMS_H_ | 6 #define V8_OSTREAMS_H_ |
7 | 7 |
8 #include <cstddef> | 8 #include <cstddef> |
9 #include <cstdio> | 9 #include <cstdio> |
10 #include <cstring> | 10 #include <cstring> |
11 #include <ostream> // NOLINT | 11 #include <ostream> // NOLINT |
12 #include <streambuf> | 12 #include <streambuf> |
13 | 13 |
14 #include "include/v8config.h" | 14 #include "include/v8config.h" |
15 #include "src/base/macros.h" | 15 #include "src/base/macros.h" |
16 | 16 |
17 namespace v8 { | 17 namespace v8 { |
18 namespace internal { | 18 namespace internal { |
19 | 19 |
| 20 |
20 class OFStreamBase : public std::streambuf { | 21 class OFStreamBase : public std::streambuf { |
21 protected: | 22 public: |
22 explicit OFStreamBase(FILE* f); | 23 explicit OFStreamBase(FILE* f); |
23 virtual ~OFStreamBase(); | 24 virtual ~OFStreamBase(); |
24 | 25 |
25 int_type sync() FINAL; | 26 protected: |
26 int_type overflow(int_type c) FINAL; | |
27 | |
28 private: | |
29 FILE* const f_; | 27 FILE* const f_; |
30 | 28 |
31 DISALLOW_COPY_AND_ASSIGN(OFStreamBase); | 29 virtual int sync(); |
| 30 virtual int_type overflow(int_type c); |
| 31 virtual std::streamsize xsputn(const char* s, std::streamsize n); |
32 }; | 32 }; |
33 | 33 |
34 | 34 |
35 // An output stream writing to a file. | 35 // An output stream writing to a file. |
36 class OFStream FINAL : private virtual OFStreamBase, public std::ostream { | 36 class OFStream : public std::ostream { |
37 public: | 37 public: |
38 explicit OFStream(FILE* f); | 38 explicit OFStream(FILE* f); |
39 ~OFStream(); | 39 ~OFStream(); |
40 | 40 |
41 private: | 41 private: |
42 DISALLOW_COPY_AND_ASSIGN(OFStream); | 42 OFStreamBase buf_; |
43 }; | 43 }; |
44 | 44 |
45 | 45 |
46 // Wrappers to disambiguate uint16_t and uc16. | 46 // Wrappers to disambiguate uint16_t and uc16. |
47 struct AsUC16 { | 47 struct AsUC16 { |
48 explicit AsUC16(uint16_t v) : value(v) {} | 48 explicit AsUC16(uint16_t v) : value(v) {} |
49 uint16_t value; | 49 uint16_t value; |
50 }; | 50 }; |
51 | 51 |
52 | 52 |
53 struct AsReversiblyEscapedUC16 { | 53 struct AsReversiblyEscapedUC16 { |
54 explicit AsReversiblyEscapedUC16(uint16_t v) : value(v) {} | 54 explicit AsReversiblyEscapedUC16(uint16_t v) : value(v) {} |
55 uint16_t value; | 55 uint16_t value; |
56 }; | 56 }; |
57 | 57 |
58 | 58 |
59 // Writes the given character to the output escaping everything outside of | 59 // Writes the given character to the output escaping everything outside of |
60 // printable/space ASCII range. Additionally escapes '\' making escaping | 60 // printable/space ASCII range. Additionally escapes '\' making escaping |
61 // reversible. | 61 // reversible. |
62 std::ostream& operator<<(std::ostream& os, const AsReversiblyEscapedUC16& c); | 62 std::ostream& operator<<(std::ostream& os, const AsReversiblyEscapedUC16& c); |
63 | 63 |
64 // Writes the given character to the output escaping everything outside | 64 // Writes the given character to the output escaping everything outside |
65 // of printable ASCII range. | 65 // of printable ASCII range. |
66 std::ostream& operator<<(std::ostream& os, const AsUC16& c); | 66 std::ostream& operator<<(std::ostream& os, const AsUC16& c); |
67 | 67 |
68 } // namespace internal | 68 } // namespace internal |
69 } // namespace v8 | 69 } // namespace v8 |
70 | 70 |
71 #endif // V8_OSTREAMS_H_ | 71 #endif // V8_OSTREAMS_H_ |
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