From f7c8244641a4242f6a8c706bd918494b23e48075 Mon Sep 17 00:00:00 2001
From: Javier <dev.git@javispedro.com>
Date: Sun, 30 Nov 2014 20:58:57 +0100
Subject: introduce the AppMsgManager and the JsKitManager

will be used to handle application messages (push, etc)
while the JSKitManager will run PebbleKit JS scripts.

also add the ability to unpack PebbleDicts
---
 daemon/unpacker.cpp | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 daemon/unpacker.cpp

(limited to 'daemon/unpacker.cpp')

diff --git a/daemon/unpacker.cpp b/daemon/unpacker.cpp
new file mode 100644
index 0000000..fc38020
--- /dev/null
+++ b/daemon/unpacker.cpp
@@ -0,0 +1,88 @@
+#include "unpacker.h"
+#include "watchconnector.h"
+
+QByteArray Unpacker::readBytes(int n)
+{
+    if (checkBad(n)) return QByteArray();
+    const char *u = &_buf.constData()[_offset];
+    _offset += n;
+    return QByteArray(u, n);
+}
+
+QString Unpacker::readFixedString(int n)
+{
+    if (checkBad(n)) return QString();
+    const char *u = &_buf.constData()[_offset];
+    _offset += n;
+    return QString::fromUtf8(u, strnlen(u, n));
+}
+
+QUuid Unpacker::readUuid()
+{
+    if (checkBad(16)) return QString();
+    _offset += 16;
+    return QUuid::fromRfc4122(_buf.mid(_offset - 16, 16));
+}
+
+QMap<int, QVariant> Unpacker::readDict()
+{
+    QMap<int, QVariant> d;
+    if (checkBad(1)) return d;
+
+    const int n = read<quint8>();
+
+    for (int i = 0; i < n; i++) {
+        if (checkBad(4 + 1 + 2)) return d;
+        const int key = readLE<qint32>(); // For some reason, this is little endian.
+        const int type = readLE<quint8>();
+        const int width = readLE<quint16>();
+
+        switch (type) {
+        case WatchConnector::typeBYTES:
+            d.insert(key, QVariant::fromValue(readBytes(width)));
+            break;
+        case WatchConnector::typeSTRING:
+            d.insert(key, QVariant::fromValue(readFixedString(width)));
+            break;
+        case WatchConnector::typeUINT:
+            switch (width) {
+            case sizeof(quint8):
+                d.insert(key, QVariant::fromValue(readLE<quint8>()));
+                break;
+            case sizeof(quint16):
+                d.insert(key, QVariant::fromValue(readLE<quint16>()));
+                break;
+            case sizeof(quint32):
+                d.insert(key, QVariant::fromValue(readLE<quint32>()));
+                break;
+            default:
+                _bad = true;
+                return d;
+            }
+
+            break;
+        case WatchConnector::typeINT:
+            switch (width) {
+            case sizeof(qint8):
+                d.insert(key, QVariant::fromValue(readLE<qint8>()));
+                break;
+            case sizeof(qint16):
+                d.insert(key, QVariant::fromValue(readLE<qint16>()));
+                break;
+            case sizeof(qint32):
+                d.insert(key, QVariant::fromValue(readLE<qint32>()));
+                break;
+            default:
+                _bad = true;
+                return d;
+            }
+
+            break;
+        default:
+            _bad = true;
+            return d;
+        }
+    }
+
+    return d;
+}
-- 
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