github.com/apache/beam/sdks/v2@v2.48.2/python/apache_beam/coders/stream.pxd (about)

     1  #
     2  # Licensed to the Apache Software Foundation (ASF) under one or more
     3  # contributor license agreements.  See the NOTICE file distributed with
     4  # this work for additional information regarding copyright ownership.
     5  # The ASF licenses this file to You under the Apache License, Version 2.0
     6  # (the "License"); you may not use this file except in compliance with
     7  # the License.  You may obtain a copy of the License at
     8  #
     9  #    http://www.apache.org/licenses/LICENSE-2.0
    10  #
    11  # Unless required by applicable law or agreed to in writing, software
    12  # distributed under the License is distributed on an "AS IS" BASIS,
    13  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14  # See the License for the specific language governing permissions and
    15  # limitations under the License.
    16  #
    17  
    18  cimport libc.stdint
    19  
    20  
    21  cdef class OutputStream(object):
    22    cdef char* data
    23    cdef size_t buffer_size
    24    cdef size_t pos
    25  
    26    cpdef write(self, bytes b, bint nested=*)
    27    cpdef write_byte(self, unsigned char val)
    28    cpdef write_var_int64(self, libc.stdint.int64_t v)
    29    cpdef write_bigendian_int64(self, libc.stdint.int64_t signed_v)
    30    cpdef write_bigendian_uint64(self, libc.stdint.uint64_t signed_v)
    31    cpdef write_bigendian_int32(self, libc.stdint.int32_t signed_v)
    32    cpdef write_bigendian_int16(self, libc.stdint.int16_t signed_v)
    33    cpdef write_bigendian_double(self, double d)
    34    cpdef write_bigendian_float(self, float d)
    35  
    36    cpdef bytes get(self)
    37    cpdef size_t size(self) except? -1
    38    cdef extend(self, size_t missing)
    39    cpdef _clear(self)
    40  
    41  
    42  cdef class ByteCountingOutputStream(OutputStream):
    43    cdef size_t count
    44  
    45    cpdef write(self, bytes b, bint nested=*)
    46    cpdef write_byte(self, unsigned char val)
    47    cpdef write_bigendian_int64(self, libc.stdint.int64_t val)
    48    cpdef write_bigendian_uint64(self, libc.stdint.uint64_t val)
    49    cpdef write_bigendian_int32(self, libc.stdint.int32_t val)
    50    cpdef write_bigendian_int16(self, libc.stdint.int16_t val)
    51    cpdef size_t get_count(self)
    52    cpdef bytes get(self)
    53  
    54  
    55  cdef class InputStream(object):
    56    cdef size_t pos
    57    cdef bytes all
    58    cdef char* allc
    59  
    60    cpdef ssize_t size(self) except? -1
    61    cpdef bytes read(self, size_t len)
    62    cpdef long read_byte(self) except? -1
    63    cpdef libc.stdint.int64_t read_var_int64(self) except? -1
    64    cpdef libc.stdint.int64_t read_bigendian_int64(self) except? -1
    65    cpdef libc.stdint.uint64_t read_bigendian_uint64(self) except? -1
    66    cpdef libc.stdint.int32_t read_bigendian_int32(self) except? -1
    67    cpdef libc.stdint.int16_t read_bigendian_int16(self) except? -1
    68    cpdef double read_bigendian_double(self) except? -1
    69    cpdef float read_bigendian_float(self) except? -1
    70    cpdef bytes read_all(self, bint nested=*)
    71  
    72  cpdef libc.stdint.int64_t get_varint_size(libc.stdint.int64_t value)