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Implement scripting manager end-2-end

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--HG--
branch : dev
This commit is contained in:
Renaud Paquay
2010-11-28 09:51:00 -08:00
parent 2da2969a36
commit 5e26384cae
2 changed files with 44 additions and 8 deletions
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19
src/Orchard.Tests.Modules/SimpleScripting/SimpleScriptingTests.cs
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@@ -7,10 +7,25 @@ using Orchard.Widgets.SimpleScripting;
namespace Orchard.Tests.Modules.SimpleScripting {
[TestFixture]
public class SimpleScriptingTests {
[Test]
public void EngineThrowsSyntaxErrors() {
var engine = new ScriptingEngine(Enumerable.Empty<IRuleProvider>(), new StubCacheManager());
Assert.That(() => engine.Matches("true+"), Throws.Exception);
}
[Test]
public void EngineThrowsEvalErrors() {
var engine = new ScriptingEngine(Enumerable.Empty<IRuleProvider>(), new StubCacheManager());
Assert.That(() => engine.Matches("1 + 1"), Throws.Exception);
}
[Test]
public void EngineUnderstandsPrimitiveValues() {
//var engine = new ScriptingEngine(Enumerable.Empty<IRuleProvider>(), new StubCacheManager());
//Assert.That(engine.Matches("true"), Is.True);
var engine = new ScriptingEngine(Enumerable.Empty<IRuleProvider>(), new StubCacheManager());
Assert.That(engine.Matches("true"), Is.True);
}
[Test]
public void EngineUnderstandsPrimitiveValues2() {
var engine = new ScriptingEngine(Enumerable.Empty<IRuleProvider>(), new StubCacheManager());
Assert.That(engine.Matches("true and true"), Is.True);
}
}
}

33
src/Orchard.Web/Modules/Orchard.Widgets/SimpleScripting/ScriptingManager.cs
View File

@@ -2,6 +2,7 @@
using System.Collections.Generic;
using System.Linq;
using Orchard.Caching;
using Orchard.Localization;
using Orchard.Widgets.Services;
using Orchard.Widgets.SimpleScripting.Ast;
using Orchard.Widgets.SimpleScripting.Compiler;
@@ -18,24 +19,44 @@ namespace Orchard.Widgets.SimpleScripting {
public ScriptingEngine(IEnumerable<IRuleProvider> ruleProviders, ICacheManager cacheManager) {
_ruleProviders = ruleProviders;
_cacheManager = cacheManager;
T = NullLocalizer.Instance;
}
public Localizer T { get; set; }
public bool Matches(string expression) {
var expr = _cacheManager.Get(expression, ctx => {
var ast = ParseExpression(expression);
return new { Tree = ast, Errors = ast.GetErrors().ToList() };
});
var expressionTree = _cacheManager.Get(expression, ctx =>
ParseExpression(expression));
if (expr.Errors.Any()) {
//TODO: Collect all errors
throw new OrchardException(T("Syntax error: {0}", expr.Errors.First().Message));
}
object result = EvaluateExpression(expressionTree.Root);
var result = EvaluateExpression(expr.Tree);
if (result.IsError) {
throw new ApplicationException(result.Error.Message);
}
return (bool)Convert.ChangeType(result, typeof (bool));
if (!result.IsBool) {
throw new OrchardException(T("Expression is not a boolean value"));
}
return result.BoolValue;
}
private AbstractSyntaxTree ParseExpression(string expression) {
return new Parser(expression).Parse();
}
private object EvaluateExpression(AstNode root) {
throw new NotImplementedException();
private EvaluationResult EvaluateExpression(AbstractSyntaxTree tree) {
var context = new EvaluationContext {
Tree = tree,
MethodInvocationCallback = (m, args) => Evaluate(m, args)
};
return new Interpreter().Evalutate(context);
}
private object Evaluate(string name, IEnumerable<object> args) {