public Module ReadModule(FileInfo file)
{
if (Log.IsDebugEnabled) {
Log.Debug("Reading resource '" + file.FullName + "'");
}
return EPLModuleUtil.ReadFile(file);
}
public Module ReadModule(
string resource,
IResourceManager resourceManager)
{
if (Log.IsDebugEnabled) {
Log.Debug("Reading resource '" + resource + "'");
}
return EPLModuleUtil.ReadResource(resource, resourceManager);
}
public Module ReadModule(Uri url)
{
if (Log.IsDebugEnabled) {
Log.Debug("Reading resource from url: " + url);
}
using (var stream = new WebClient().OpenRead(url)) {
return EPLModuleUtil.ReadInternal(stream, url.ToString(), false);
}
}
public Module ReadModule(
Stream stream,
string uri)
{
if (Log.IsDebugEnabled) {
Log.Debug("Reading module from input stream");
}
return EPLModuleUtil.ReadInternal(stream, uri, false);
}
public EPCompiled Compile(
string epl,
CompilerArguments arguments)
{
if (arguments == null) {
arguments = new CompilerArguments(new Configuration());
}
using (arguments.Configuration.Container.EnterContextualReflection()) {
try {
var module = EPLModuleUtil.ParseInternal(epl, null);
IList<Compilable> compilables = new List<Compilable>();
foreach (var item in module.Items.Where(m => !m.IsCommentOnly)) {
var stmtEpl = item.Expression;
compilables.Add(new CompilableEPL(stmtEpl));
}
// determine module name
var moduleName = DetermineModuleName(arguments.Options, module);
var moduleUses = DetermineModuleUses(moduleName, arguments.Options, module);
// get compile services
var compileTimeServices = GetCompileTimeServices(arguments, moduleName, moduleUses, false);
AddModuleImports(module.Imports, compileTimeServices);
// compile
return CompilerHelperModuleProvider.Compile(
compilables,
moduleName,
new EmptyDictionary<ModuleProperty, object>(),
compileTimeServices,
arguments.Options);
}
catch (EPCompileException) {
throw;
}
catch (ParseException t) {
throw new EPCompileException(
"Failed to parse: " + t.Message,
t,
new EmptyList<EPCompileExceptionItem>());
}
catch (Exception ex) {
throw new EPCompileException(ex.Message, ex, new EmptyList<EPCompileExceptionItem>());
}
}
}
public void TestParse()
{
object[][] testdata = new object[][] {
new object[] {
"/* Comment One */ select * from A;\n" +
"/* Comment Two */ select * from B ;\n",
new EPLModuleParseItem[] {
new EPLModuleParseItem("/* Comment One */ select * from A", 1, 0, 33),
new EPLModuleParseItem("/* Comment Two */ select * from B", 2, 34, 73)
},
},
new object[] {
"select /* Comment One\n\r; */ *, ';', \";\" from A order by x;; ;\n\n \n;\n" +
"/* Comment Two */ select * from B ;\n",
new EPLModuleParseItem[] {
new EPLModuleParseItem("select /* Comment One\n\r; */ *, ';', \";\" from A order by x", 1, 0, 57),
new EPLModuleParseItem("/* Comment Two */ select * from B", 6, 63, 102)
},
}
};
for (int i = 0; i < testdata.Length; i++)
{
string input = (string)testdata[i][0];
EPLModuleParseItem[] expected = (EPLModuleParseItem[])testdata[i][1];
IList <EPLModuleParseItem> result = EPLModuleUtil.Parse(input);
Assert.AreEqual(expected.Length, result.Count);
for (int j = 0; j < expected.Length; j++)
{
string message = "failed at item " + i + " and segment " + j;
Assert.AreEqual(expected[j].Expression, result[j].Expression, message);
Assert.AreEqual(expected[j].LineNum, result[j].LineNum, message);
Assert.AreEqual(expected[j].StartChar, result[j].StartChar, message);
Assert.AreEqual(expected[j].EndChar, result[j].EndChar, message);
}
}
}
public static Module ReadFile(FileInfo file)
{
using (var inputStream = file.OpenRead()) {
return EPLModuleUtil.ReadInternal(inputStream, file.FullName, false);
}
}
public Module ParseModule(string eplModuleText)
{
return EPLModuleUtil.ParseInternal(eplModuleText, null);
}