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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/loader/fetch/bytes_consumer.h"
namespace blink {
namespace {
class ErroredBytesConsumer final : public BytesConsumer {
public:
explicit ErroredBytesConsumer(const Error& error) : error_(error) {}
Result BeginRead(base::span<const char>& buffer) override {
buffer = {};
return Result::kError;
}
Result EndRead(size_t read_size) override { NOTREACHED(); }
void SetClient(BytesConsumer::Client*) override {}
void ClearClient() override {}
void Cancel() override {}
PublicState GetPublicState() const override { return PublicState::kErrored; }
Error GetError() const override { return error_; }
String DebugName() const override { return "ErroredBytesConsumer"; }
private:
const Error error_;
};
class ClosedBytesConsumer final : public BytesConsumer {
public:
Result BeginRead(base::span<const char>& buffer) override {
buffer = {};
return Result::kDone;
}
Result EndRead(size_t read_size) override { NOTREACHED(); }
void SetClient(BytesConsumer::Client*) override {}
void ClearClient() override {}
void Cancel() override {}
PublicState GetPublicState() const override { return PublicState::kClosed; }
Error GetError() const override { NOTREACHED(); }
String DebugName() const override { return "ClosedBytesConsumer"; }
};
} // namespace
BytesConsumer* BytesConsumer::CreateErrored(const BytesConsumer::Error& error) {
return MakeGarbageCollected<ErroredBytesConsumer>(error);
}
BytesConsumer* BytesConsumer::CreateClosed() {
return MakeGarbageCollected<ClosedBytesConsumer>();
}
std::ostream& operator<<(std::ostream& out,
const BytesConsumer::PublicState& state) {
switch (state) {
case BytesConsumer::PublicState::kReadableOrWaiting:
return out << "kReadableOrWaiting";
case BytesConsumer::PublicState::kClosed:
return out << "kClosed";
case BytesConsumer::PublicState::kErrored:
return out << "kErrored";
}
NOTREACHED();
}
std::ostream& operator<<(std::ostream& out,
const BytesConsumer::Result& result) {
switch (result) {
case BytesConsumer::Result::kOk:
return out << "kOk";
case BytesConsumer::Result::kShouldWait:
return out << "kShouldWait";
case BytesConsumer::Result::kDone:
return out << "kDone";
case BytesConsumer::Result::kError:
return out << "kError";
}
NOTREACHED();
}
} // namespace blink
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