filter.h 2.03 KB
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/*
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 * Copyright (C) the libgit2 contributors. All rights reserved.
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 *
 * This file is part of libgit2, distributed under the GNU GPL v2 with
 * a Linking Exception. For full terms see the included COPYING file.
 */
#ifndef INCLUDE_filter_h__
#define INCLUDE_filter_h__

#include "common.h"
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#include "attr_file.h"
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#include "git2/filter.h"
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#include "git2/sys/filter.h"
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/* Amount of file to examine for NUL byte when checking binary-ness */
#define GIT_FILTER_BYTES_TO_CHECK_NUL 8000

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typedef struct {
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	git_filter_options options;
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	git_attr_session *attr_session;
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	git_str *temp_buf;
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} git_filter_session;
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#define GIT_FILTER_SESSION_INIT {GIT_FILTER_OPTIONS_INIT, 0}
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extern int git_filter_global_init(void);

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extern void git_filter_free(git_filter *filter);

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extern int git_filter_list__load(
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	git_filter_list **filters,
	git_repository *repo,
	git_blob *blob, /* can be NULL */
	const char *path,
	git_filter_mode_t mode,
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	git_filter_session *filter_session);
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int git_filter_list__apply_to_buffer(
	git_str *out,
	git_filter_list *filters,
	const char *in,
	size_t in_len);
int git_filter_list__apply_to_file(
	git_str *out,
	git_filter_list *filters,
	git_repository *repo,
	const char *path);
int git_filter_list__apply_to_blob(
	git_str *out,
	git_filter_list *filters,
	git_blob *blob);

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/*
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 * The given input buffer will be converted to the given output buffer.
 * The input buffer will be freed (_if_ it was allocated).
 */
extern int git_filter_list__convert_buf(
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	git_str *out,
	git_filter_list *filters,
	git_str *in);

extern int git_filter_list__apply_to_file(
	git_str *out,
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	git_filter_list *filters,
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	git_repository *repo,
	const char *path);
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/*
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 * Available filters
 */
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extern git_filter *git_crlf_filter_new(void);
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extern git_filter *git_ident_filter_new(void);
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extern int git_filter_buffered_stream_new(
	git_writestream **out,
	git_filter *filter,
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	int (*write_fn)(git_filter *, void **, git_str *, const git_str *, const git_filter_source *),
	git_str *temp_buf,
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	void **payload,
	const git_filter_source *source,
	git_writestream *target);

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#endif