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 "include/private/SkSLDefines.h" 12 #include "include/private/SkSLString.h" 13 14 namespace SkSL { 15 16 class OutputStream { 17 public: isValid()18 virtual bool isValid() const { 19 return true; 20 } 21 22 virtual void write8(uint8_t b) = 0; 23 write16(uint16_t i)24 void write16(uint16_t i) { 25 this->write8((uint8_t) i); 26 this->write8((uint8_t) (i >> 8)); 27 } 28 write32(uint32_t i)29 void write32(uint32_t i) { 30 this->write8((uint8_t) i); 31 this->write8((uint8_t) (i >> 8)); 32 this->write8((uint8_t) (i >> 16)); 33 this->write8((uint8_t) (i >> 24)); 34 } 35 36 virtual void writeText(const char* s) = 0; 37 38 virtual void write(const void* s, size_t size) = 0; 39 40 void writeString(const String& s); 41 42 void printf(const char format[], ...) SK_PRINTF_LIKE(2, 3); 43 44 void appendVAList(const char format[], va_list args); 45 ~OutputStream()46 virtual ~OutputStream() {} 47 48 private: 49 static const int kBufferSize = 1024; 50 }; 51 52 } // namespace SkSL 53 54 #endif 55