public Computation ResolveUri(TaskMaster task_master, string uri, out LibraryFailure reason)
{
if (!uri.StartsWith("sql:"))
{
reason = LibraryFailure.Missing;
return(null);
}
reason = LibraryFailure.None;
try {
var param = new Dictionary <string, string>();
int first_colon = 5;
while (first_colon < uri.Length && uri[first_colon] != ':')
{
first_colon++;
}
if (first_colon >= uri.Length)
{
return(new FailureComputation(task_master, new ClrSourceReference(), "Bad provider in URI “" + uri + "”."));
}
var provider = uri.Substring(4, first_colon - 4);
int question_mark = first_colon;
while (question_mark < uri.Length && uri[question_mark] != '?')
{
question_mark++;
}
var uri_fragment = uri.Substring(first_colon + 1, question_mark - first_colon - 1);
if (question_mark < uri.Length - 1)
{
foreach (var param_str in uri.Substring(question_mark + 1).Split(new [] { '&' }))
{
if (param_str.Length == 0)
{
continue;
}
var parts = param_str.Split(new [] { '=' }, 2);
if (parts.Length != 2)
{
return(new FailureComputation(task_master, new ClrSourceReference(), "Bad parameter “" + param_str + "”."));
}
param[parts[0]] = parts[1];
}
}
string error;
var connection = DbParser.Parse(provider, uri_fragment, param, out error);
if (connection == null)
{
return(new FailureComputation(task_master, new ClrSourceReference(), error ?? "Bad URI."));
}
connection.Open();
var connection_proxy = ReflectedFrame.Create(task_master, connection, connection_hooks);
connection_proxy.Set("provider", new SimpleStringish(provider));
return(new Precomputation(connection_proxy));
} catch (Exception e) {
return(new FailureComputation(task_master, new ClrSourceReference(e), e.Message));
}
}
static void Main(string[] args)
{
var c7SchemaFilename = args[0];
var csvDirectory = args[1];
var output = args[2];
// Parse C7 Schema File
var c7Elements = C7Parser.ParseSchemaFile(c7SchemaFilename);
var schema = EduHubSchema.FromC7Schema(c7Elements);
// Augment with Database Information
DbParser.AugmentSchemaFromCsv(csvDirectory, schema);
// Apply customizations
Customizations.EnsureNavigationFieldIndexes(schema);
// Validate schema
SchemaTests.TestForeignKeys(schema);
var schemaXml = schema.ToXElement();
schemaXml.Save(output);
}
public DbManager(DbParser dbParser)
{
this.dbParser = dbParser;
}
