int VertexServer_api_link(VertexServer *self)
{
PNode *toNode = PDB_allocNode(self->pdb);
PNode *fromNode = PDB_allocNode(self->pdb);
Datum *key = HttpRequest_queryValue_(self->httpRequest, "key");
Datum *fromPath = HttpRequest_uriPath(self->httpRequest);
Datum *toPath = HttpRequest_queryValue_(self->httpRequest, "toPath");
if (PNode_moveToPathIfExists_(toNode, toPath) != 0)
{
VertexServer_setErrorCString_(self, "to path does not exist: ");
VertexServer_appendError_(self, toPath);
return -1;
}
if (PNode_moveToPathIfExists_(fromNode, fromPath) != 0)
{
VertexServer_setErrorCString_(self, "from path does not exist: ");
VertexServer_appendError_(self, fromPath);
return -1;
}
PNode_atPut_(toNode, key, PNode_pid(fromNode));
return 0;
}
int PNode_createMoveToKey_(PNode *self, Datum *key)
{
Datum *v = PNode_at_(self, key);
if (v)
{
Datum_copy_(self->parentPid, self->pid);
PNode_setPid_(self, v);
return 1;
}
else
{
PNode *n = PDB_allocNode(self->pdb);
PNode_create(n);
PNode_atPut_(self, key, PNode_pid(n));
Datum_copy_(self->parentPid, self->pid);
PNode_setPid_(self, PNode_pid(n));
}
return 0;
}
void PNode_show(PNode *self)
{
Datum *k;
printf("PNode pid %s\n",
Datum_data(PNode_pid(self)));
PNode_first(self);
while ((k = PNode_key(self)))
{
printf(" '%s' '%s'\n",
Datum_data(PNode_key(self)),
Datum_data(PNode_value(self)));
PNode_next(self);
}
}
