/*
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* Copyright 2017 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SKSL_FILEOUTPUTSTREAM
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#define SKSL_FILEOUTPUTSTREAM
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#include "SkSLOutputStream.h"
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#include "SkSLUtil.h"
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#include <stdio.h>
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namespace SkSL {
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class FileOutputStream : public OutputStream {
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public:
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FileOutputStream(const char* name) {
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fFile = fopen(name, "wb");
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}
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~FileOutputStream() override {
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SkASSERT(!fOpen);
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}
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bool isValid() const override {
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return nullptr != fFile;
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}
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void write8(uint8_t b) override {
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SkASSERT(fOpen);
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if (isValid()) {
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if (EOF == fputc(b, fFile)) {
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fFile = nullptr;
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}
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}
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}
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void writeText(const char* s) override {
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SkASSERT(fOpen);
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if (isValid()) {
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if (EOF == fputs(s, fFile)) {
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fFile = nullptr;
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}
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}
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}
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void write(const void* s, size_t size) override {
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if (isValid()) {
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size_t written = fwrite(s, 1, size, fFile);
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if (written != size) {
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fFile = nullptr;
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}
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}
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}
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bool close() {
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fOpen = false;
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if (isValid() && fclose(fFile)) {
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fFile = nullptr;
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return false;
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}
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return true;
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}
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private:
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bool fOpen = true;
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FILE *fFile;
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typedef OutputStream INHERITED;
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};
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} // namespace
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#endif
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