add experimental class for json

git-svn-id: http://skia.googlecode.com/svn/trunk@2939 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 60 insertions, 0 deletions

diff --git a/include/utils/SkJSONObject.h b/include/utils/SkJSONObject.h
new file mode 100644
index 0000000000..d83183472d
--- /dev/null
+++ b/include/utils/SkJSONObject.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkJSONObject_DEFINED
+#define SkJSONObject_DEFINED
+
+#include "SkTypes.h"
+
+class SkString;
+
+class SkJSONObject {
+public:
+    SkJSONObject() : fHead(NULL), fTail(NULL) {}
+    ~SkJSONObject();
+    
+    enum Type {
+        kInvalid,
+        
+        kObject,
+        kString,
+        kInt,
+        kFloat,
+        kBool,
+    };
+    
+    void addString(const char name[], const char value[]);
+    void addInt(const char name[], int32_t value);
+    void addFloat(const char name[], float value);
+    void addBool(const char name[], bool value);
+    /**
+     *  Add the value object to this object, taking over
+     * ownership of the value object.
+     */
+    void addObject(const char name[], SkJSONObject* value);
+    
+    Type find(const char name[], intptr_t* = NULL) const;
+    bool findString(const char name[], SkString* = NULL) const;
+    bool findInt(const char name[], int32_t* = NULL) const;
+    bool findFloat(const char name[], float* = NULL) const;
+    bool findBool(const char name[], bool* = NULL) const;
+    bool findObject(const char name[], SkJSONObject** = NULL) const;
+    
+    void dump() const;
+    
+private:
+    struct Slot;
+    Slot* fHead;
+    Slot* fTail;
+
+    const Slot* findSlot(const char name[]) const;
+    const Slot* findSlotAndType(const char name[], Type) const;
+    Slot* addSlot(Slot*);
+    void dumpLevel(int level) const;
+};
+
+#endif