1 files changed, 167 insertions, 0 deletions
diff --git a/amf.h b/amf.h
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+/**
+ * @file amf.h
+ * @author Dean Zou (zoudingyuan@junjietech.com)
+ * @brief 
+ * @version 1.0
+ * @date 2019-06-27
+ * 
+ * @copyright Copyright (c) - 2019 JunJie Intelligence(Shenzhen) Co.,LTD
+ * 
+ */
+
+#ifndef AMF_H_
+#define AMF_H_
+
+#include <string>
+#include <map>
+#include <assert.h>
+
+enum AMFType {
+	AMF_NUMBER,
+	AMF_INTEGER,
+	AMF_BOOLEAN,
+	AMF_STRING,
+	AMF_OBJECT,
+	AMF_NULL,
+	AMF_UNDEFINED,
+	AMF_ECMA_ARRAY,
+};
+
+enum {
+	AMF0_NUMBER,
+	AMF0_BOOLEAN,
+	AMF0_STRING,
+	AMF0_OBJECT,
+	AMF0_MOVIECLIP,
+	AMF0_NULL,
+	AMF0_UNDEFINED,
+	AMF0_REFERENCE,
+	AMF0_ECMA_ARRAY,
+	AMF0_OBJECT_END,
+	AMF0_STRICT_ARRAY,
+	AMF0_DATE,
+	AMF0_LONG_STRING,
+	AMF0_UNSUPPORTED,
+	AMF0_RECORD_SET,
+	AMF0_XML_OBJECT,
+	AMF0_TYPED_OBJECT,
+	AMF0_SWITCH_AMF3,
+};
+
+enum {
+	AMF3_UNDEFINED,
+	AMF3_NULL,
+	AMF3_FALSE,
+	AMF3_TRUE,
+	AMF3_INTEGER,
+	AMF3_NUMBER,
+	AMF3_STRING,
+	AMF3_LEGACY_XML,
+	AMF3_DATE,
+	AMF3_ARRAY,
+	AMF3_OBJECT,
+	AMF3_XML,
+	AMF3_BYTE_ARRAY,
+};
+
+struct Decoder {
+	std::string buf;
+	size_t pos;
+	int version;
+};
+
+struct Encoder {
+	std::string buf;
+};
+
+class AMFValue;
+
+typedef std::map<std::string, AMFValue> amf_object_t;
+
+class AMFValue {
+public:
+	AMFValue(AMFType type = AMF_NULL);
+	AMFValue(const std::string &s);
+	AMFValue(double n);
+	AMFValue(int i);
+	AMFValue(bool b);
+	AMFValue(const amf_object_t &object);
+	AMFValue(const AMFValue &from);
+	~AMFValue();
+
+	AMFType type() const { return m_type; }
+
+	std::string as_string() const
+	{
+		assert(m_type == AMF_STRING);
+		return *m_value.string;
+	}
+	double as_number() const
+	{
+		assert(m_type == AMF_NUMBER);
+		return m_value.number;
+	}
+	double as_integer() const
+	{
+		assert(m_type == AMF_INTEGER);
+		return m_value.integer;
+	}
+	bool as_boolean() const
+	{
+		assert(m_type == AMF_BOOLEAN);
+		return m_value.boolean;
+	}
+	amf_object_t as_object() const
+	{
+		assert(m_type == AMF_OBJECT);
+		return *m_value.object;
+	}
+
+	AMFValue get(const std::string &s) const
+	{
+		assert(m_type == AMF_OBJECT);
+		amf_object_t::const_iterator i = m_value.object->find(s);
+		if (i == m_value.object->end())
+			return AMFValue();
+		return i->second;
+	}
+
+	void set(const std::string &s, const AMFValue &val)
+	{
+		assert(m_type == AMF_OBJECT);
+		m_value.object->insert(std::make_pair(s, val));
+	}
+
+	void operator = (const AMFValue &from);
+
+private:
+	AMFType m_type;
+	union {
+		std::string *string;
+		double number;
+		int integer;
+		bool boolean;
+		amf_object_t *object;
+	} m_value;
+
+	void destroy();
+};
+
+void amf_write(Encoder *enc, const std::string &s);
+void amf_write(Encoder *enc, double n);
+void amf_write(Encoder *enc, bool b);
+void amf_write_key(Encoder *enc, const std::string &s);
+void amf_write(Encoder *enc, const amf_object_t &object);
+void amf_write_ecma(Encoder *enc, const amf_object_t &object);
+void amf_write_null(Encoder *enc);
+void amf_write(Encoder *enc, const AMFValue &value);
+
+std::string amf_load_string(Decoder *dec);
+double amf_load_number(Decoder *dec);
+bool amf_load_boolean(Decoder *dec);
+std::string amf_load_key(Decoder *dec);
+amf_object_t amf_load_object(Decoder *dec);
+amf_object_t amf_load_ecma(Decoder *dec);
+AMFValue amf_load(Decoder *dec);
+
+#endif