| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SKSL_OUTPUTSTREAM |
| #define SKSL_OUTPUTSTREAM |
| |
| #include "include/core/SkTypes.h" |
| |
| #include <stdarg.h> |
| #include <string> |
| |
| namespace SkSL { |
| |
| class OutputStream { |
| public: |
| virtual bool isValid() const { |
| return true; |
| } |
| |
| virtual void write8(uint8_t b) = 0; |
| |
| void write16(uint16_t i) { |
| this->write8((uint8_t) i); |
| this->write8((uint8_t) (i >> 8)); |
| } |
| |
| void write32(uint32_t i) { |
| this->write8((uint8_t) i); |
| this->write8((uint8_t) (i >> 8)); |
| this->write8((uint8_t) (i >> 16)); |
| this->write8((uint8_t) (i >> 24)); |
| } |
| |
| virtual void writeText(const char* s) = 0; |
| |
| virtual void write(const void* s, size_t size) = 0; |
| |
| void writeString(const std::string& s); |
| |
| void printf(const char format[], ...) SK_PRINTF_LIKE(2, 3); |
| |
| void appendVAList(const char format[], va_list args) SK_PRINTF_LIKE(2, 0); |
| |
| virtual ~OutputStream() {} |
| |
| private: |
| static const int kBufferSize = 1024; |
| }; |
| |
| } // namespace SkSL |
| |
| #endif |