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cpython/Include/codecs.h at 3.5 · python/cpython · GitHub
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#ifndef
Py_CODECREGISTRY_H
#define
Py_CODECREGISTRY_H
#ifdef
__cplusplus
extern
"C"
{
#endif
/* ------------------------------------------------------------------------
Python Codec Registry and support functions
Written by Marc-Andre Lemburg (mal@lemburg.com).
Copyright (c) Corporation for National Research Initiatives.
------------------------------------------------------------------------ */
/* Register a new codec search function.
As side effect, this tries to load the encodings package, if not
yet done, to make sure that it is always first in the list of
search functions.
The search_function's refcount is incremented by this function. */
PyAPI_FUNC
(
int
)
PyCodec_Register
(
PyObject
*
search_function
);
/* Codec registry lookup API.
Looks up the given encoding and returns a CodecInfo object with
function attributes which implement the different aspects of
processing the encoding.
The encoding string is looked up converted to all lower-case
characters. This makes encodings looked up through this mechanism
effectively case-insensitive.
If no codec is found, a KeyError is set and NULL returned.
As side effect, this tries to load the encodings package, if not
yet done. This is part of the lazy load strategy for the encodings
package.
*/
#ifndef
Py_LIMITED_API
PyAPI_FUNC
(
PyObject
*
)
_PyCodec_Lookup
(
const
char
*
encoding
);
PyAPI_FUNC
(
int
)
_PyCodec_Forget
(
const
char
*
encoding
);
#endif
/* Codec registry encoding check API.
Returns 1/0 depending on whether there is a registered codec for
the given encoding.
*/
PyAPI_FUNC
(
int
)
PyCodec_KnownEncoding
(
const
char
*
encoding
);
/* Generic codec based encoding API.
object is passed through the encoder function found for the given
encoding using the error handling method defined by errors. errors
may be NULL to use the default method defined for the codec.
Raises a LookupError in case no encoder can be found.
*/
PyAPI_FUNC
(
PyObject
*
)
PyCodec_Encode
(
PyObject
*
object
,
const
char
*
encoding
,
const
char
*
errors
);
/* Generic codec based decoding API.
object is passed through the decoder function found for the given
encoding using the error handling method defined by errors. errors
may be NULL to use the default method defined for the codec.
Raises a LookupError in case no encoder can be found.
*/
PyAPI_FUNC
(
PyObject
*
)
PyCodec_Decode
(
PyObject
*
object
,
const
char
*
encoding
,
const
char
*
errors
);
#ifndef
Py_LIMITED_API
/* Text codec specific encoding and decoding API.
Checks the encoding against a list of codecs which do not
implement a str<->bytes encoding before attempting the
operation.
Please note that these APIs are internal and should not
be used in Python C extensions.
XXX (ncoghlan): should we make these, or something like them, public
in Python 3.5+?
*/
PyAPI_FUNC
(
PyObject
*
)
_PyCodec_LookupTextEncoding
(
const
char
*
encoding
,
const
char
*
alternate_command
);
PyAPI_FUNC
(
PyObject
*
)
_PyCodec_EncodeText
(
PyObject
*
object
,
const
char
*
encoding
,
const
char
*
errors
);
PyAPI_FUNC
(
PyObject
*
)
_PyCodec_DecodeText
(
PyObject
*
object
,
const
char
*
encoding
,
const
char
*
errors
);
/* These two aren't actually text encoding specific, but _io.TextIOWrapper
* is the only current API consumer.
*/
PyAPI_FUNC
(
PyObject
*
)
_PyCodecInfo_GetIncrementalDecoder
(
PyObject
*
codec_info
,
const
char
*
errors
);
PyAPI_FUNC
(
PyObject
*
)
_PyCodecInfo_GetIncrementalEncoder
(
PyObject
*
codec_info
,
const
char
*
errors
);
#endif
/* --- Codec Lookup APIs --------------------------------------------------
All APIs return a codec object with incremented refcount and are
based on _PyCodec_Lookup(). The same comments w/r to the encoding
name also apply to these APIs.
*/
/* Get an encoder function for the given encoding. */
PyAPI_FUNC
(
PyObject
*
)
PyCodec_Encoder
(
const
char
*
encoding
);
/* Get a decoder function for the given encoding. */
PyAPI_FUNC
(
PyObject
*
)
PyCodec_Decoder
(
const
char
*
encoding
);
/* Get an IncrementalEncoder object for the given encoding. */
PyAPI_FUNC
(
PyObject
*
)
PyCodec_IncrementalEncoder
(
const
char
*
encoding
,
const
char
*
errors
);
/* Get an IncrementalDecoder object function for the given encoding. */
PyAPI_FUNC
(
PyObject
*
)
PyCodec_IncrementalDecoder
(
const
char
*
encoding
,
const
char
*
errors
);
/* Get a StreamReader factory function for the given encoding. */
PyAPI_FUNC
(
PyObject
*
)
PyCodec_StreamReader
(
const
char
*
encoding
,
PyObject
*
stream
,
const
char
*
errors
);
/* Get a StreamWriter factory function for the given encoding. */
PyAPI_FUNC
(
PyObject
*
)
PyCodec_StreamWriter
(
const
char
*
encoding
,
PyObject
*
stream
,
const
char
*
errors
);
/* Unicode encoding error handling callback registry API */
/* Register the error handling callback function error under the given
name. This function will be called by the codec when it encounters
unencodable characters/undecodable bytes and doesn't know the
callback name, when name is specified as the error parameter
in the call to the encode/decode function.
Return 0 on success, -1 on error */
PyAPI_FUNC
(
int
)
PyCodec_RegisterError
(
const
char
*
name
,
PyObject
*
error
);
/* Lookup the error handling callback function registered under the given
name. As a special case NULL can be passed, in which case
the error handling callback for "strict" will be returned. */
PyAPI_FUNC
(
PyObject
*
)
PyCodec_LookupError
(
const
char
*
name
);
/* raise exc as an exception */
PyAPI_FUNC
(
PyObject
*
)
PyCodec_StrictErrors
(
PyObject
*
exc
);
/* ignore the unicode error, skipping the faulty input */
PyAPI_FUNC
(
PyObject
*
)
PyCodec_IgnoreErrors
(
PyObject
*
exc
);
/* replace the unicode encode error with ? or U+FFFD */
PyAPI_FUNC
(
PyObject
*
)
PyCodec_ReplaceErrors
(
PyObject
*
exc
);
/* replace the unicode encode error with XML character references */
PyAPI_FUNC
(
PyObject
*
)
PyCodec_XMLCharRefReplaceErrors
(
PyObject
*
exc
);
/* replace the unicode encode error with backslash escapes (\x, \u and \U) */
PyAPI_FUNC
(
PyObject
*
)
PyCodec_BackslashReplaceErrors
(
PyObject
*
exc
);
/* replace the unicode encode error with backslash escapes (\N, \x, \u and \U) */
PyAPI_FUNC
(
PyObject
*
)
PyCodec_NameReplaceErrors
(
PyObject
*
exc
);
PyAPI_DATA
(
const
char
*
)
Py_hexdigits
;
#ifdef
__cplusplus
}
#endif
#endif
/* !Py_CODECREGISTRY_H */
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