1/*
2 * Copyright 2017 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef SKSL_OUTPUTSTREAM
9#define SKSL_OUTPUTSTREAM
10
11#include "src/sksl/SkSLDefines.h"
12#include "src/sksl/SkSLString.h"
13
14namespace SkSL {
15
16class OutputStream {
17public:
18 virtual bool isValid() const {
19 return true;
20 }
21
22 virtual void write8(uint8_t b) = 0;
23
24 virtual void writeText(const char* s) = 0;
25
26 virtual void write(const void* s, size_t size) = 0;
27
28 void writeString(String s);
29
30 void printf(const char format[], ...) SKSL_PRINTF_LIKE(2, 3);
31
32 void appendVAList(const char format[], va_list args);
33
34 virtual ~OutputStream() {}
35
36private:
37 static const int kBufferSize = 1024;
38};
39
40} // namespace
41
42#endif
43