1 files changed, 47 insertions, 0 deletions
diff --git a/protocols/WhatsAppWeb/src/utils.h b/protocols/WhatsAppWeb/src/utils.h
new file mode 100644
index 0000000000..d37c8fb187
--- /dev/null
+++ b/protocols/WhatsAppWeb/src/utils.h
@@ -0,0 +1,47 @@
+/*
+
+WhatsAppWeb plugin for Miranda NG
+Copyright © 2019-21 George Hazan
+
+*/
+
+#define LIST_EMPTY   0
+#define STREAM_END   2
+#define DICTIONARY_0 236
+#define DICTIONARY_1 237
+#define DICTIONARY_2 238
+#define DICTIONARY_3 239
+#define LIST_8       248
+#define LIST_16      249
+#define JID_PAIR     250
+#define HEX_8        251
+#define BINARY_8     252
+#define BINARY_20    253
+#define BINARY_32    254
+#define NIBBLE_8     255
+
+class WAReader
+{
+	const BYTE *m_buf, *m_limit;
+
+	uint32_t readIntN(int i);
+	CMStringA readStringFromChars(int size);
+
+public:
+	WAReader(const void *buf, size_t cbLen) :
+		m_buf((BYTE*)buf),
+		m_limit((BYTE*)buf + cbLen)
+	{}
+
+	__forceinline uint32_t readInt8() { return readIntN(1); }
+	__forceinline uint32_t readInt16() { return readIntN(2); }
+	__forceinline uint32_t readInt32() { return readIntN(4); }
+
+	bool      readAttributes(JSONNode &node, int count);
+	uint32_t  readInt20();
+	bool      readList(JSONNode &node, int tag);
+	int       readListSize(int tag);
+	CMStringA readPacked(int tag);
+	CMStringA readString(int tag);
+	bool      readNode(JSONNode&);
+};