#include <string.h>
#include <stdlib.h>
#include "id.h"
#include "../libsvn_fs/fs-loader.h"
typedef struct {
const char *node_id;
const char *copy_id;
const char *txn_id;
svn_revnum_t rev;
apr_off_t offset;
} id_private_t;
const char *
svn_fs_fs__id_node_id(const svn_fs_id_t *id)
{
id_private_t *pvt = id->fsap_data;
return pvt->node_id;
}
const char *
svn_fs_fs__id_copy_id(const svn_fs_id_t *id)
{
id_private_t *pvt = id->fsap_data;
return pvt->copy_id;
}
const char *
svn_fs_fs__id_txn_id(const svn_fs_id_t *id)
{
id_private_t *pvt = id->fsap_data;
return pvt->txn_id;
}
svn_revnum_t
svn_fs_fs__id_rev(const svn_fs_id_t *id)
{
id_private_t *pvt = id->fsap_data;
return pvt->rev;
}
apr_off_t
svn_fs_fs__id_offset(const svn_fs_id_t *id)
{
id_private_t *pvt = id->fsap_data;
return pvt->offset;
}
svn_string_t *
svn_fs_fs__id_unparse(const svn_fs_id_t *id,
apr_pool_t *pool)
{
const char *txn_rev_id;
id_private_t *pvt = id->fsap_data;
if ((! pvt->txn_id))
{
txn_rev_id = apr_psprintf(pool, "%ld/%"
APR_OFF_T_FMT, pvt->rev, pvt->offset);
}
else
{
txn_rev_id = pvt->txn_id;
}
return svn_string_createf(pool, "%s.%s.%c%s",
pvt->node_id, pvt->copy_id,
(pvt->txn_id ? 't' : 'r'),
txn_rev_id);
}
svn_boolean_t
svn_fs_fs__id_eq(const svn_fs_id_t *a,
const svn_fs_id_t *b)
{
id_private_t *pvta = a->fsap_data, *pvtb = b->fsap_data;
if (a == b)
return TRUE;
if (strcmp(pvta->node_id, pvtb->node_id) != 0)
return FALSE;
if (strcmp(pvta->copy_id, pvtb->copy_id) != 0)
return FALSE;
if ((pvta->txn_id == NULL) != (pvtb->txn_id == NULL))
return FALSE;
if (pvta->txn_id && pvtb->txn_id && strcmp(pvta->txn_id, pvtb->txn_id) != 0)
return FALSE;
if (pvta->rev != pvtb->rev)
return FALSE;
if (pvta->offset != pvtb->offset)
return FALSE;
return TRUE;
}
svn_boolean_t
svn_fs_fs__id_check_related(const svn_fs_id_t *a,
const svn_fs_id_t *b)
{
id_private_t *pvta = a->fsap_data, *pvtb = b->fsap_data;
if (a == b)
return TRUE;
if (pvta->node_id[0] == '_')
{
if (pvta->txn_id && pvtb->txn_id &&
(strcmp(pvta->txn_id, pvtb->txn_id) != 0))
return FALSE;
}
return (strcmp(pvta->node_id, pvtb->node_id) == 0);
}
int
svn_fs_fs__id_compare(const svn_fs_id_t *a,
const svn_fs_id_t *b)
{
if (svn_fs_fs__id_eq(a, b))
return 0;
return (svn_fs_fs__id_check_related(a, b) ? 1 : -1);
}
static id_vtable_t id_vtable = {
svn_fs_fs__id_unparse,
svn_fs_fs__id_compare
};
svn_fs_id_t *
svn_fs_fs__id_txn_create(const char *node_id,
const char *copy_id,
const char *txn_id,
apr_pool_t *pool)
{
svn_fs_id_t *id = apr_palloc(pool, sizeof(*id));
id_private_t *pvt = apr_palloc(pool, sizeof(*pvt));
pvt->node_id = apr_pstrdup(pool, node_id);
pvt->copy_id = apr_pstrdup(pool, copy_id);
pvt->txn_id = apr_pstrdup(pool, txn_id);
pvt->rev = SVN_INVALID_REVNUM;
pvt->offset = -1;
id->vtable = &id_vtable;
id->fsap_data = pvt;
return id;
}
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,
apr_pool_t *pool)
{
svn_fs_id_t *id = apr_palloc(pool, sizeof(*id));
id_private_t *pvt = apr_palloc(pool, sizeof(*pvt));
pvt->node_id = apr_pstrdup(pool, node_id);
pvt->copy_id = apr_pstrdup(pool, copy_id);
pvt->txn_id = NULL;
pvt->rev = rev;
pvt->offset = offset;
id->vtable = &id_vtable;
id->fsap_data = pvt;
return id;
}
svn_fs_id_t *
svn_fs_fs__id_copy(const svn_fs_id_t *id, apr_pool_t *pool)
{
svn_fs_id_t *new_id = apr_palloc(pool, sizeof(*new_id));
id_private_t *new_pvt = apr_palloc(pool, sizeof(*new_pvt));
id_private_t *pvt = id->fsap_data;
new_pvt->node_id = apr_pstrdup(pool, pvt->node_id);
new_pvt->copy_id = apr_pstrdup(pool, pvt->copy_id);
new_pvt->txn_id = pvt->txn_id ? apr_pstrdup(pool, pvt->txn_id) : NULL;
new_pvt->rev = pvt->rev;
new_pvt->offset = pvt->offset;
new_id->vtable = &id_vtable;
new_id->fsap_data = new_pvt;
return new_id;
}
svn_fs_id_t *
svn_fs_fs__id_parse(const char *data,
apr_size_t len,
apr_pool_t *pool)
{
svn_fs_id_t *id;
id_private_t *pvt;
char *data_copy, *str, *last_str;
data_copy = apr_pstrmemdup(pool, data, len);
id = apr_palloc(pool, sizeof(*id));
pvt = apr_palloc(pool, sizeof(*pvt));
id->vtable = &id_vtable;
id->fsap_data = pvt;
str = apr_strtok(data_copy, ".", &last_str);
if (str == NULL)
return NULL;
pvt->node_id = str;
str = apr_strtok(NULL, ".", &last_str);
if (str == NULL)
return NULL;
pvt->copy_id = str;
str = apr_strtok(NULL, ".", &last_str);
if (str == NULL)
return NULL;
if (str[0] == 'r')
{
pvt->txn_id = NULL;
str = apr_strtok(str + 1, "/", &last_str);
if (str == NULL)
return NULL;
pvt->rev = SVN_STR_TO_REV(str);
str = apr_strtok(NULL, "/", &last_str);
if (str == NULL)
return NULL;
pvt->offset = apr_atoi64(str);
}
else if (str[0] == 't')
{
pvt->txn_id = str + 1;
pvt->rev = SVN_INVALID_REVNUM;
pvt->offset = -1;
}
else
return NULL;
return id;
}