Make JsEngine::Evaluate() return a wrapper for v8::Value to accessdifferent variable types easily

include/AdblockPlus/JsValue.h

Index: include/AdblockPlus/JsValue.h
===================================================================
new file mode 100644
--- /dev/null
+++ b/include/AdblockPlus/JsValue.h
@@ -0,0 +1,43 @@
+#ifndef ADBLOCKPLUS_JS_VALUE_H
+#define ADBLOCKPLUS_JS_VALUE_H
+
+#include <v8.h>
+
+namespace AdblockPlus
+{
+  class JsEngine;
+  class JsValue;
+
+  typedef std::tr1::shared_ptr<JsValue> JsValuePtr;

[Wladimir Palant, 2013/04/13 20:44:21]

I only realized now that I didn't include tr1/memory here, not sure why it still
worked.

+
+  class JsValue
+  {
+    friend class JsEngine;
+  public:
+    virtual ~JsValue();
+
+    bool IsUndefined() const;
+    bool IsNull() const;
+    bool IsString() const;
+    bool IsNumber() const;
+    bool IsBool() const;
+    bool IsObject() const;
+    std::string AsString() const;
+    int64_t AsInt() const;
+    bool AsBool() const;
+    JsValuePtr GetProperty(const std::string& name) const;
+    void SetProperty(const std::string& name, const std::string& val);
+    void SetProperty(const std::string& name, int64_t val);
+    void SetProperty(const std::string& name, bool val);
+  protected:
+    JsValue(v8::Isolate* isolate, v8::Handle<v8::Context> context,
+        v8::Handle<v8::Value> value);
+    void SetProperty(const std::string& name, v8::Handle<v8::Value> val);
+
+    v8::Isolate* isolate;
+    v8::Persistent<v8::Context> context;
+    v8::Persistent<v8::Value> value;
+  };
+}
+
+#endif