JsonValue: Add to_uint(), to_int() and as_double().

The to_foo() functions are for converting when you might not be sure of the
underlying value type. The as_foo() family assumes that you know exactly
what the underlying value type is.

1 files changed, 34 insertions, 0 deletions

diff --git a/AK/JsonValue.h b/AK/JsonValue.h
index 0c2a4555af..c0118b6f36 100644
--- a/AK/JsonValue.h
+++ b/AK/JsonValue.h
@@ -67,6 +67,32 @@ public:
         return IPv4Address::from_string(as_string());
     }
 
+    int to_int(int default_value = 0) const
+    {
+        if (!is_number())
+            return default_value;
+#ifndef KERNEL
+        if (is_double())
+            return (int)as_double();
+#endif
+        if (is_uint())
+            return (int)as_uint();
+        return as_int();
+    }
+
+    unsigned to_uint(unsigned default_value = 0) const
+    {
+        if (!is_number())
+            return default_value;
+#ifndef KERNEL
+        if (is_double())
+            return (unsigned)as_double();
+#endif
+        if (is_int())
+            return (unsigned)as_int();
+        return as_uint();
+    }
+
     bool to_bool(bool default_value = false) const
     {
         if (!is_bool())
@@ -110,6 +136,14 @@ public:
         return *m_value.as_array;
     }
 
+#ifndef KERNEL
+    double as_double() const
+    {
+        ASSERT(is_double());
+        return m_value.as_double;
+    }
+#endif
+
     Type type() const { return m_type; }
 
     bool is_null() const { return m_type == Type::Null; }