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35 #include <apr_pools.h>
37 #include <apr_tables.h>
38 #include <apr_file_io.h>
56 #define SVN_DELTA_COMPRESSION_LEVEL_NONE 0
62 #define SVN_DELTA_COMPRESSION_LEVEL_MAX 9
70 #define SVN_DELTA_COMPRESSION_LEVEL_DEFAULT 5
256 const char *sbuf,
char *tbuf,
296 apr_pool_t *result_pool,
297 apr_pool_t *scratch_pool);
330 typedef const unsigned char *
331 (*svn_txdelta_md5_digest_fn_t)(
void *baton);
342 apr_pool_t *result_pool,
343 apr_pool_t *scratch_pool);
374 const unsigned char *
452 unsigned char *digest,
508 unsigned char *result_digest,
509 const char *error_info,
512 void **handler_baton);
533 void **handler_baton,
536 int compression_level,
548 void **handler_baton,
563 void **handler_baton);
576 int compression_level,
897 apr_pool_t *scratch_pool);
913 apr_pool_t *result_pool,
935 apr_pool_t *scratch_pool);
953 const char *copyfrom_path,
955 apr_pool_t *result_pool,
972 apr_pool_t *result_pool,
989 apr_pool_t *scratch_pool);
999 apr_pool_t *scratch_pool);
1012 apr_pool_t *scratch_pool);
1040 const char *copyfrom_path,
1042 apr_pool_t *result_pool,
1063 apr_pool_t *result_pool,
1090 const char *base_checksum,
1091 apr_pool_t *result_pool,
1093 void **handler_baton);
1109 apr_pool_t *scratch_pool);
1125 const char *text_checksum,
1126 apr_pool_t *scratch_pool);
1138 apr_pool_t *scratch_pool);
1146 apr_pool_t *scratch_pool);
1154 apr_pool_t *scratch_pool);
1183 const char *base_checksum,
1186 apr_pool_t *scratch_pool);
1232 void *wrapped_baton,
1275 void *wrapped_edit_baton,
1322 void *callback_baton,
1323 const char *relpath,
1337 void *callback_baton,
1368 const apr_array_header_t *relpaths,
1371 void *callback_baton,
1389 const apr_array_header_t *paths,
1392 void *callback_baton,
1393 apr_pool_t *scratch_pool);
1410 const apr_array_header_t *paths,
1412 void *callback_baton,
1413 apr_pool_t *scratch_pool);
1441 void *callback_baton,
1442 apr_pool_t *result_pool);
1473 const char *relpath,
1474 apr_pool_t *scratch_pool);
1487 apr_pool_t *scratch_pool);
1523 apr_hash_t *rev_props,
1527 apr_array_header_t *prop_diffs,
1545 apr_hash_t *rev_props,
1548 apr_array_header_t *prop_diffs,
1566 void **handler2_baton,
1568 void *handler_baton,
struct svn_txdelta_window_t svn_txdelta_window_t
An svn_txdelta_window_t object describes how to reconstruct a contiguous section of the target string...
svn_checksum_kind_t
Various types of checksums.
apr_size_t length
Number of bytes of delta, see svn_delta_action for more details.
svn_stream_t * svn_txdelta_parse_svndiff(svn_txdelta_window_handler_t handler, void *handler_baton, svn_boolean_t error_on_early_close, apr_pool_t *pool)
Return a writable generic stream which will parse svndiff-format data into a text delta,...
void svn_txdelta_apply(svn_stream_t *source, svn_stream_t *target, unsigned char *result_digest, const char *error_info, apr_pool_t *pool, svn_txdelta_window_handler_t *handler, void **handler_baton)
Prepare to apply a text delta.
svn_txdelta_window_t * svn_txdelta_compose_windows(const svn_txdelta_window_t *window_A, const svn_txdelta_window_t *window_B, apr_pool_t *pool)
Compose two delta windows, yielding a third, allocated in pool.
svn_error_t *(* svn_txdelta_next_window_fn_t)(svn_txdelta_window_t **window, void *baton, apr_pool_t *pool)
A typedef for a function that will set *window to the next window from a svn_txdelta_stream_t object.
svn_error_t * svn_txdelta_send_string(const svn_string_t *string, svn_txdelta_window_handler_t handler, void *handler_baton, apr_pool_t *pool)
Send the contents of string to window-handler handler/baton.
svn_error_t * svn_delta_noop_window_handler(svn_txdelta_window_t *window, void *baton)
A text-delta window handler which does nothing.
const unsigned char * svn_txdelta_md5_digest(svn_txdelta_stream_t *stream)
Return the md5 digest for the complete fulltext deltified by stream, or NULL if stream has not yet re...
Counted-length strings for Subversion, plus some C string goodies.
svn_error_t * svn_delta_depth_filter_editor(const svn_delta_editor_t **editor, void **edit_baton, const svn_delta_editor_t *wrapped_editor, void *wrapped_edit_baton, svn_depth_t requested_depth, svn_boolean_t has_target, apr_pool_t *pool)
Set *editor and *edit_baton to an depth-based filtering editor that wraps wrapped_editor and wrapped_...
svn_txdelta_window_t * svn_txdelta_window_dup(const svn_txdelta_window_t *window, apr_pool_t *pool)
Return a deep copy of window, allocated in pool.
void svn_txdelta_to_svndiff(svn_stream_t *output, apr_pool_t *pool, svn_txdelta_window_handler_t *handler, void **handler_baton)
Similar to svn_txdelta_to_svndiff2, but always using svndiff version 0.
A single text delta instruction.
const svn_txdelta_op_t * ops
The instructions for this window.
svn_error_t * svn_delta_path_driver3(const svn_delta_editor_t *editor, void *edit_baton, const apr_array_header_t *relpaths, svn_boolean_t sort_paths, svn_delta_path_driver_cb_func2_t callback_func, void *callback_baton, apr_pool_t *pool)
Drive editor (with its edit_baton) to visit each path in relpaths.
Subversion checksum routines.
svn_delta_action
Action codes for text delta instructions.
A generic checksum representation.
@ svn_txdelta_target
Append the length bytes at offset in the target view, to the target.
const svn_version_t * svn_delta_version(void)
Get libsvn_delta version information.
svn_error_t * svn_txdelta_send_stream(svn_stream_t *stream, svn_txdelta_window_handler_t handler, void *handler_baton, unsigned char *digest, apr_pool_t *pool)
Send the contents of stream to window-handler handler/baton.
void svn_txdelta_to_svndiff3(svn_txdelta_window_handler_t *handler, void **handler_baton, svn_stream_t *output, int svndiff_version, int compression_level, apr_pool_t *pool)
Prepare to produce an svndiff-format diff from text delta windows.
void svn_txdelta_apply_instructions(svn_txdelta_window_t *window, const char *sbuf, char *tbuf, apr_size_t *tlen)
Apply the instructions from window to a source view sbuf to produce a target view tbuf.
struct svn_stream_t svn_stream_t
An abstract stream of bytes–either incoming or outgoing or both.
svn_error_t *(* svn_delta_path_driver_cb_func_t)(void **dir_baton, void *parent_baton, void *callback_baton, const char *path, apr_pool_t *pool)
Like svn_delta_path_driver_cb_func2_t but without the editor and edit_baton parameters.
svn_error_t *(* svn_delta_path_driver_cb_func2_t)(void **dir_baton, const svn_delta_editor_t *editor, void *edit_baton, void *parent_baton, void *callback_baton, const char *relpath, apr_pool_t *pool)
Callback function type for svn_delta_path_driver().
svn_stream_t * svn_txdelta_to_svndiff_stream(svn_txdelta_stream_t *txstream, int svndiff_version, int compression_level, apr_pool_t *pool)
Return a readable generic stream which will produce svndiff-encoded text delta from the delta stream ...
svn_filesize_t sview_offset
The offset of the source view for this window.
svn_delta_editor_t * svn_delta_default_editor(apr_pool_t *pool)
Return a default delta editor template, allocated in pool.
void svn_txdelta_to_svndiff2(svn_txdelta_window_handler_t *handler, void **handler_baton, svn_stream_t *output, int svndiff_version, apr_pool_t *pool)
Similar to svn_txdelta_to_svndiff3(), but always using the SVN default compression level (SVN_DELTA_C...
svn_txdelta_stream_t * svn_txdelta_stream_create(void *baton, svn_txdelta_next_window_fn_t next_window, svn_txdelta_md5_digest_fn_t md5_digest, apr_pool_t *pool)
Create and return a generic text delta stream with baton, next_window and md5_digest.
const typedef unsigned char *(* svn_txdelta_md5_digest_fn_t)(void *baton)
A typedef for a function that will return the md5 checksum of the fulltext deltified by a svn_txdelta...
svn_depth_t
The concept of depth for directories.
svn_error_t *(* svn_file_rev_handler_old_t)(void *baton, const char *path, svn_revnum_t rev, apr_hash_t *rev_props, svn_txdelta_window_handler_t *delta_handler, void **delta_baton, apr_array_header_t *prop_diffs, apr_pool_t *pool)
The old file rev handler interface.
svn_error_t * svn_delta_path_driver_finish(svn_delta_path_driver_state_t *state, apr_pool_t *scratch_pool)
Finish driving the editor.
svn_error_t * svn_txdelta_run(svn_stream_t *source, svn_stream_t *target, svn_txdelta_window_handler_t handler, void *handler_baton, svn_checksum_kind_t checksum_kind, svn_checksum_t **checksum, svn_cancel_func_t cancel_func, void *cancel_baton, apr_pool_t *result_pool, apr_pool_t *scratch_pool)
This function will generate delta windows that turn source into target, and pushing these windows int...
int num_ops
The number of instructions in this window.
svn_error_t * svn_txdelta_read_svndiff_window(svn_txdelta_window_t **window, svn_stream_t *stream, int svndiff_version, apr_pool_t *pool)
Read and parse one delta window in svndiff format from the readable stream stream and place it in *wi...
An svn_txdelta_window_t object describes how to reconstruct a contiguous section of the target string...
enum svn_delta_action action_code
Action code of delta instruction.
int src_ops
The number of svn_txdelta_source instructions in this window.
struct svn_delta_editor_t svn_delta_editor_t
A structure full of callback functions the delta source will invoke as it produces the delta.
const svn_string_t * new_data
New data, for use by any ‘svn_txdelta_new’ instructions.
svn_error_t * svn_delta_path_driver_start(svn_delta_path_driver_state_t **state_p, const svn_delta_editor_t *editor, void *edit_baton, svn_delta_path_driver_cb_func2_t callback_func, void *callback_baton, apr_pool_t *result_pool)
Return a path driver object that can drive editor (with its edit_baton) to visit a series of paths.
svn_error_t *(* svn_txdelta_stream_open_func_t)(svn_txdelta_stream_t **txdelta_stream, void *baton, apr_pool_t *result_pool, apr_pool_t *scratch_pool)
A typedef for a function that opens an svn_txdelta_stream_t object, allocated in result_pool.
void svn_txdelta(svn_txdelta_stream_t **stream, svn_stream_t *source, svn_stream_t *target, apr_pool_t *pool)
Similar to svn_txdelta2 but always calculating the target checksum.
struct svn_delta_path_driver_state_t svn_delta_path_driver_state_t
A state object for the path driver that is obtained from svn_delta_path_driver_start() and driven by ...
apr_int64_t svn_filesize_t
The size of a file in the Subversion FS.
svn_stream_t * svn_txdelta_target_push(svn_txdelta_window_handler_t handler, void *handler_baton, svn_stream_t *source, apr_pool_t *pool)
Return a writable stream which, when fed target data, will send delta windows to handler/handler_bato...
svn_error_t * svn_delta_path_driver2(const svn_delta_editor_t *editor, void *edit_baton, const apr_array_header_t *paths, svn_boolean_t sort_paths, svn_delta_path_driver_cb_func_t callback_func, void *callback_baton, apr_pool_t *scratch_pool)
Like svn_delta_path_driver3() but with a different callback function signature.
@ svn_txdelta_new
Append the length bytes at offset in the window's new string to the target.
apr_size_t sview_len
The length of the source view for this window.
svn_error_t *(* svn_txdelta_window_handler_t)(svn_txdelta_window_t *window, void *baton)
A typedef for functions that consume a series of delta windows, for use in caller-pushes interfaces.
int svn_boolean_t
YABT: Yet Another Boolean Type.
svn_error_t * svn_txdelta_send_txstream(svn_txdelta_stream_t *txstream, svn_txdelta_window_handler_t handler, void *handler_baton, apr_pool_t *pool)
Send the contents of txstream to window-handler handler/baton.
#define SVN_DEPRECATED
Macro used to mark deprecated functions.
long int svn_revnum_t
A revision number.
svn_error_t * svn_delta_get_cancellation_editor(svn_cancel_func_t cancel_func, void *cancel_baton, const svn_delta_editor_t *wrapped_editor, void *wrapped_baton, const svn_delta_editor_t **editor, void **edit_baton, apr_pool_t *pool)
Set *editor and *edit_baton to a cancellation editor that wraps wrapped_editor and wrapped_baton.
apr_size_t tview_len
The length of the target view for this window, i.e.
apr_size_t offset
Offset of delta, see svn_delta_action for more details.
svn_error_t * svn_delta_path_driver_step(svn_delta_path_driver_state_t *state, const char *relpath, apr_pool_t *scratch_pool)
Visit relpath.
svn_error_t * svn_txdelta_send_contents(const unsigned char *contents, apr_size_t len, svn_txdelta_window_handler_t handler, void *handler_baton, apr_pool_t *pool)
Send the contents of length len as a txdelta against an empty source directly to window-handler handl...
void svn_txdelta2(svn_txdelta_stream_t **stream, svn_stream_t *source, svn_stream_t *target, svn_boolean_t calculate_checksum, apr_pool_t *pool)
Set *stream to a pointer to a delta stream that will turn the byte string from source into the byte s...
svn_error_t *(* svn_cancel_func_t)(void *cancel_baton)
A user defined callback that subversion will call with a user defined baton to see if the current ope...
svn_error_t * svn_txdelta_next_window(svn_txdelta_window_t **window, svn_txdelta_stream_t *stream, apr_pool_t *pool)
Set *window to a pointer to the next window from the delta stream stream.
A structure full of callback functions the delta source will invoke as it produces the delta.
General file I/O for Subversion.
svn_error_t *(* svn_file_rev_handler_t)(void *baton, const char *path, svn_revnum_t rev, apr_hash_t *rev_props, svn_boolean_t result_of_merge, svn_txdelta_window_handler_t *delta_handler, void **delta_baton, apr_array_header_t *prop_diffs, apr_pool_t *pool)
The callback invoked by file rev loopers, such as svn_ra_plugin_t.get_file_revs2() and svn_repos_get_...
struct svn_txdelta_stream_t svn_txdelta_stream_t
A delta stream — this is the hat from which we pull a series of svn_txdelta_window_t objects,...
struct svn_txdelta_op_t svn_txdelta_op_t
A single text delta instruction.
void svn_compat_wrap_file_rev_handler(svn_file_rev_handler_t *handler2, void **handler2_baton, svn_file_rev_handler_old_t handler, void *handler_baton, apr_pool_t *pool)
Return, in *handler2 and *handler2_baton a function/baton that will call handler/handler_baton,...
@ svn_txdelta_source
Append the length bytes at offset in the source view to the target.
svn_error_t * svn_delta_path_driver(const svn_delta_editor_t *editor, void *edit_baton, svn_revnum_t revision, const apr_array_header_t *paths, svn_delta_path_driver_cb_func_t callback_func, void *callback_baton, apr_pool_t *scratch_pool)
Similar to svn_delta_path_driver2, but takes an (unused) revision, and will sort the provided paths u...
svn_error_t * svn_txdelta_skip_svndiff_window(apr_file_t *file, int svndiff_version, apr_pool_t *pool)
Read and skip one delta window in svndiff format from the file file.