Implement open_directory, add_directory, change_dir_prop and
close_directory. All of them involve adding and removing entries from
the directory_baton and dumping the related node information. Note
that open_directory doesn't need any corresponding node information to
be printed.

Signed-off-by: Ramkumar Ramachandra <artag...@gmail.com>
---
 dump_editor.c |  101 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 101 insertions(+), 0 deletions(-)

diff --git a/dump_editor.c b/dump_editor.c
index 0f7d231..6077e5c 100644
--- a/dump_editor.c
+++ b/dump_editor.c
@@ -226,6 +226,12 @@ svn_error_t *delete_entry(const char *path,
                           void *parent_baton,
                           apr_pool_t *pool)
 {
+       struct dir_baton *pb = parent_baton;
+       const char *mypath = apr_pstrdup(pb->pool, path);
+
+       /* remember this path needs to be deleted */
+       apr_hash_set(pb->deleted_entries, mypath, APR_HASH_KEY_STRING, pb);
+
        return SVN_NO_ERROR;
 }
 
@@ -236,6 +242,32 @@ svn_error_t *add_directory(const char *path,
                            apr_pool_t *pool,
                            void **child_baton)
 {
+       struct dir_baton *pb = parent_baton;
+       void *val;
+       struct dir_baton *new_db
+               = make_dir_baton(path, copyfrom_path, copyfrom_rev, pb->eb, pb, 
TRUE, pool);
+
+       /* This might be a replacement -- is the path already deleted? */
+       val = apr_hash_get(pb->deleted_entries, path, APR_HASH_KEY_STRING);
+
+       /* Detect an add-with-history */
+       pb->eb->is_copy = ARE_VALID_COPY_ARGS(copyfrom_path, copyfrom_rev);
+
+       /* Dump the node */
+       SVN_ERR(dump_node(pb->eb, path,
+                         svn_node_dir,
+                         val ? svn_node_action_replace : svn_node_action_add,
+                         pb->eb->is_copy ? copyfrom_path : NULL,
+                         pb->eb->is_copy ? copyfrom_rev : SVN_INVALID_REVNUM,
+                         pool));
+
+       if (val)
+               /* Delete the path, it's now been dumped */
+               apr_hash_set(pb->deleted_entries, path, APR_HASH_KEY_STRING, 
NULL);
+
+       new_db->written_out = TRUE;
+
+       *child_baton = new_db;
        return SVN_NO_ERROR;
 }
 
@@ -245,12 +277,53 @@ svn_error_t *open_directory(const char *path,
                             apr_pool_t *pool,
                             void **child_baton)
 {
+       struct dir_baton *pb = parent_baton;
+       struct dir_baton *new_db;
+       const char *cmp_path = NULL;
+       svn_revnum_t cmp_rev = SVN_INVALID_REVNUM;
+       apr_array_header_t *compose_path = apr_array_make(pool, 2, sizeof(const 
char *));
+
+       /* If the parent directory has explicit comparison path and rev,
+          record the same for this one. */
+       if (pb && ARE_VALID_COPY_ARGS(pb->cmp_path, pb->cmp_rev)) {
+               APR_ARRAY_PUSH(compose_path, const char *) = pb->cmp_path;
+               APR_ARRAY_PUSH(compose_path, const char *) = 
svn_dirent_basename(path, pool);
+               cmp_path = svn_path_compose(compose_path, pool);
+               cmp_rev = pb->cmp_rev;
+       }
+
+       new_db = make_dir_baton(path, cmp_path, cmp_rev, pb->eb, pb, FALSE, 
pool);
+       *child_baton = new_db;
        return SVN_NO_ERROR;
 }
 
 svn_error_t *close_directory(void *dir_baton,
                              apr_pool_t *pool)
 {
+       struct dir_baton *db = dir_baton;
+       struct edit_baton *eb = db->eb;
+       apr_hash_index_t *hi;
+       apr_pool_t *subpool = svn_pool_create(pool);
+
+       /* Some pending properties to dump? */
+       SVN_ERR(dump_props(eb, &dump_props_pending, TRUE, pool));
+
+       /* Dump the directory entries */
+       for (hi = apr_hash_first(pool, db->deleted_entries); hi;
+            hi = apr_hash_next(hi)) {
+               const void *key;
+               const char *path;
+               apr_hash_this(hi, &key, NULL, NULL);
+               path = key;
+
+               svn_pool_clear(subpool);
+
+               SVN_ERR(dump_node(db->eb, path,
+                                 svn_node_unknown, svn_node_action_delete,
+                                 NULL, SVN_INVALID_REVNUM, subpool));
+       }
+
+       svn_pool_destroy(subpool);
        return SVN_NO_ERROR;
 }
 
@@ -278,6 +351,34 @@ svn_error_t *change_dir_prop(void *parent_baton,
                              const svn_string_t *value,
                              apr_pool_t *pool)
 {
+       struct dir_baton *db = parent_baton;
+
+       if (svn_property_kind(NULL, name) != svn_prop_regular_kind)
+               return SVN_NO_ERROR;
+
+       value ? apr_hash_set(db->eb->properties, apr_pstrdup(pool, name),
+                            APR_HASH_KEY_STRING, svn_string_dup(value, pool)) :
+               apr_hash_set(db->eb->del_properties, apr_pstrdup(pool, name),
+                            APR_HASH_KEY_STRING, (void *)0x1);
+
+       /* This function is what distinguishes between a directory that is
+          opened to merely get somewhere, vs. one that is opened because it
+          actually changed by itself  */
+       if (! db->written_out) {
+               SVN_ERR(dump_node(db->eb, db->path,
+                                 svn_node_dir, svn_node_action_change,
+                                 db->cmp_path, db->cmp_rev, pool));
+
+               /* If dump_props_pending was set, it means that the
+                  node information corresponding to add_directory has already
+                  been written; just don't unset it and dump_node will dump
+                  the properties before doing anything else. If it wasn't
+                  set, node information hasn't been written yet: so dump the
+                  node itself before dumping the props */
+
+               SVN_ERR(dump_props(db->eb, NULL, TRUE, pool));
+               db->written_out = TRUE;
+       }
        return SVN_NO_ERROR;
 }
 
-- 
1.7.1

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