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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).

------------------------------------------------------------------------ */

/* 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

);

/* Unregister a codec search function and clear the registry's cache.

If the search function is not registered, do nothing.

Return 0 on success. Raise an exception and return -1 on error. */

PyAPI_FUNC(int) PyCodec_Unregister(

PyObject *search_function

);

/* 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

);

// --- Codec Lookup APIs --------------------------------------------------

/* 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.

/* 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);

#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000

/* replace the unicode encode error with backslash escapes (\N, \x, \u and \U) */

PyAPI_FUNC(PyObject *) PyCodec_NameReplaceErrors(PyObject *exc);

#endif

#ifndef Py_LIMITED_API

PyAPI_DATA(const char *) Py_hexdigits;

#endif

#ifdef __cplusplus

}

#endif

#endif /* !Py_CODECREGISTRY_H */

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