Files
composable_kernel/include/rapidjson/filereadstream.h
Johannes Graner d40b50b9d5 Update pre-commit to fixed versions, run remod for ck_tile (#2895)
* Fix ruff linter errors

* Fix remod dos2unix command

* Clang format

* Ignore utility in remod

* Run remod

* Specify clang-format version in pre-commit

* Specify ruff version

* Include PoolKernelArgs in reference_pool

* Add calculate_total_elements to reference batched contraction

* Fix calculate_total_elements declaration

* Refactor remod pre-commit hook

* Fix Aquant tests

---------

Co-authored-by: Illia Silin <98187287+illsilin@users.noreply.github.com>
2025-10-16 15:29:17 -07:00

124 lines
3.1 KiB
C++

// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_FILEREADSTREAM_H_
#define RAPIDJSON_FILEREADSTREAM_H_
#include "stream.h"
#include <cstdio>
#ifdef __clang__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
RAPIDJSON_DIAG_OFF(unreachable - code)
RAPIDJSON_DIAG_OFF(missing - noreturn)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! File byte stream for input using fread().
/*!
\note implements Stream concept
*/
class FileReadStream
{
public:
typedef char Ch; //!< Character type (byte).
//! Constructor.
/*!
\param fp File pointer opened for read.
\param buffer user-supplied buffer.
\param bufferSize size of buffer in bytes. Must >=4 bytes.
*/
FileReadStream(std::FILE* fp, char* buffer, size_t bufferSize)
: fp_(fp),
buffer_(buffer),
bufferSize_(bufferSize),
bufferLast_(0),
current_(buffer_),
readCount_(0),
count_(0),
eof_(false)
{
RAPIDJSON_ASSERT(fp_ != 0);
RAPIDJSON_ASSERT(bufferSize >= 4);
Read();
}
Ch Peek() const { return *current_; }
Ch Take()
{
Ch c = *current_;
Read();
return c;
}
size_t Tell() const { return count_ + static_cast<size_t>(current_ - buffer_); }
// Not implemented
void Put(Ch) { RAPIDJSON_ASSERT(false); }
void Flush() { RAPIDJSON_ASSERT(false); }
Ch* PutBegin()
{
RAPIDJSON_ASSERT(false);
return 0;
}
size_t PutEnd(Ch*)
{
RAPIDJSON_ASSERT(false);
return 0;
}
// For encoding detection only.
const Ch* Peek4() const { return (current_ + 4 - !eof_ <= bufferLast_) ? current_ : 0; }
private:
void Read()
{
if(current_ < bufferLast_)
++current_;
else if(!eof_)
{
count_ += readCount_;
readCount_ = std::fread(buffer_, 1, bufferSize_, fp_);
bufferLast_ = buffer_ + readCount_ - 1;
current_ = buffer_;
if(readCount_ < bufferSize_)
{
buffer_[readCount_] = '\0';
++bufferLast_;
eof_ = true;
}
}
}
std::FILE* fp_;
Ch* buffer_;
size_t bufferSize_;
Ch* bufferLast_;
Ch* current_;
size_t readCount_;
size_t count_; //!< Number of characters read
bool eof_;
};
RAPIDJSON_NAMESPACE_END
#ifdef __clang__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_FILESTREAM_H_