diff options
Diffstat (limited to 'subversion/libsvn_fs_fs/id.h')
| -rw-r--r-- | subversion/libsvn_fs_fs/id.h | 89 |
1 files changed, 68 insertions, 21 deletions
diff --git a/subversion/libsvn_fs_fs/id.h b/subversion/libsvn_fs_fs/id.h index 11da466..d556a16 100644 --- a/subversion/libsvn_fs_fs/id.h +++ b/subversion/libsvn_fs_fs/id.h @@ -24,30 +24,63 @@ #define SVN_LIBSVN_FS_FS_ID_H #include "svn_fs.h" +#include "private/svn_fs_fs_private.h" #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ +/*** Operations on ID parts. ***/ + +/* Return TRUE, if both elements of the PART is 0, i.e. this is the default + * value if e.g. no copies were made of this node. */ +svn_boolean_t svn_fs_fs__id_part_is_root(const svn_fs_fs__id_part_t *part); + +/* Return TRUE, if all element values of *LHS and *RHS match. */ +svn_boolean_t svn_fs_fs__id_part_eq(const svn_fs_fs__id_part_t *lhs, + const svn_fs_fs__id_part_t *rhs); + +/* Return TRUE, if TXN_ID is used, i.e. doesn't contain just the defaults. */ +svn_boolean_t svn_fs_fs__id_txn_used(const svn_fs_fs__id_part_t *txn_id); + +/* Reset TXN_ID to the defaults. */ +void svn_fs_fs__id_txn_reset(svn_fs_fs__id_part_t *txn_id); + +/* Parse the transaction id in DATA and store the result in *TXN_ID */ +svn_error_t *svn_fs_fs__id_txn_parse(svn_fs_fs__id_part_t *txn_id, + const char *data); + +/* Convert the transaction id in *TXN_ID into a textual representation + * allocated in POOL. */ +const char *svn_fs_fs__id_txn_unparse(const svn_fs_fs__id_part_t *txn_id, + apr_pool_t *pool); + + /*** ID accessor functions. ***/ /* Get the "node id" portion of ID. */ -const char *svn_fs_fs__id_node_id(const svn_fs_id_t *id); +const svn_fs_fs__id_part_t *svn_fs_fs__id_node_id(const svn_fs_id_t *id); /* Get the "copy id" portion of ID. */ -const char *svn_fs_fs__id_copy_id(const svn_fs_id_t *id); +const svn_fs_fs__id_part_t *svn_fs_fs__id_copy_id(const svn_fs_id_t *id); /* Get the "txn id" portion of ID, or NULL if it is a permanent ID. */ -const char *svn_fs_fs__id_txn_id(const svn_fs_id_t *id); +const svn_fs_fs__id_part_t *svn_fs_fs__id_txn_id(const svn_fs_id_t *id); + +/* Get the "rev,item" portion of ID. */ +const svn_fs_fs__id_part_t *svn_fs_fs__id_rev_item(const svn_fs_id_t *id); /* Get the "rev" portion of ID, or SVN_INVALID_REVNUM if it is a transaction ID. */ svn_revnum_t svn_fs_fs__id_rev(const svn_fs_id_t *id); -/* Access the "offset" portion of the ID, or -1 if it is a transaction +/* Access the "item" portion of the ID, or 0 if it is a transaction ID. */ -apr_off_t svn_fs_fs__id_offset(const svn_fs_id_t *id); +apr_uint64_t svn_fs_fs__id_item(const svn_fs_id_t *id); + +/* Return TRUE, if this is a transaction ID. */ +svn_boolean_t svn_fs_fs__id_is_txn(const svn_fs_id_t *id); /* Convert ID into string form, allocated in POOL. */ svn_string_t *svn_fs_fs__id_unparse(const svn_fs_id_t *id, @@ -61,34 +94,48 @@ svn_boolean_t svn_fs_fs__id_eq(const svn_fs_id_t *a, svn_boolean_t svn_fs_fs__id_check_related(const svn_fs_id_t *a, const svn_fs_id_t *b); -/* Return 0 if A and B are equal, 1 if they are related, -1 otherwise. */ -int svn_fs_fs__id_compare(const svn_fs_id_t *a, - const svn_fs_id_t *b); +/* Return the noderev relationship between A and B. */ +svn_fs_node_relation_t svn_fs_fs__id_compare(const svn_fs_id_t *a, + const svn_fs_id_t *b); + +/* Return 0 if A and B are equal, 1 if A is "greater than" B, -1 otherwise. */ +int svn_fs_fs__id_part_compare(const svn_fs_fs__id_part_t *a, + const svn_fs_fs__id_part_t *b); + +/* Create the txn root ID for transaction TXN_ID. Allocate it in POOL. */ +svn_fs_id_t *svn_fs_fs__id_txn_create_root(const svn_fs_fs__id_part_t *txn_id, + apr_pool_t *pool); + +/* Create the root ID for REVISION (logical addressing node only). + Allocate it in POOL. */ +svn_fs_id_t *svn_fs_fs__id_create_root(const svn_revnum_t revision, + apr_pool_t *pool); /* Create an ID within a transaction based on NODE_ID, COPY_ID, and TXN_ID, allocated in POOL. */ -svn_fs_id_t *svn_fs_fs__id_txn_create(const char *node_id, - const char *copy_id, - const char *txn_id, +svn_fs_id_t *svn_fs_fs__id_txn_create(const svn_fs_fs__id_part_t *node_id, + const svn_fs_fs__id_part_t *copy_id, + const svn_fs_fs__id_part_t *txn_id, apr_pool_t *pool); -/* Create a permanent ID based on NODE_ID, COPY_ID, REV, and OFFSET, +/* Create a permanent ID based on NODE_ID, COPY_ID and REV_ITEM, allocated in POOL. */ -svn_fs_id_t *svn_fs_fs__id_rev_create(const char *node_id, - const char *copy_id, - svn_revnum_t rev, - apr_off_t offset, +svn_fs_id_t *svn_fs_fs__id_rev_create(const svn_fs_fs__id_part_t *node_id, + const svn_fs_fs__id_part_t *copy_id, + const svn_fs_fs__id_part_t *rev_item, apr_pool_t *pool); /* Return a copy of ID, allocated from POOL. */ svn_fs_id_t *svn_fs_fs__id_copy(const svn_fs_id_t *id, apr_pool_t *pool); -/* Return an ID resulting from parsing the string DATA (with length - LEN), or NULL if DATA is an invalid ID string. */ -svn_fs_id_t *svn_fs_fs__id_parse(const char *data, - apr_size_t len, - apr_pool_t *pool); +/* Return an ID in *ID_P resulting from parsing the string DATA, or an error + if DATA is an invalid ID string. *DATA will be modified / invalidated by + this call. */ +svn_error_t * +svn_fs_fs__id_parse(const svn_fs_id_t **id_p, + char *data, + apr_pool_t *pool); /* (de-)serialization support*/ |