AAPT2: Change xml file parsing to DOM based

We modify the XML of layouts and AndroidManifest enough
that it warrants we operate on the tree in memory.
These files are never very large so this should be fine.

Change-Id: I5d597abdb3fca2a203cf7c0b40fcd926aecb3137

1 files changed, 47 insertions, 3 deletions

diff --git a/tools/aapt2/SdkConstants.cpp b/tools/aapt2/SdkConstants.cpp
index 3f156a6ecff6..9bdae490412f 100644
--- a/tools/aapt2/SdkConstants.cpp
+++ b/tools/aapt2/SdkConstants.cpp
@@ -14,11 +14,51 @@
  * limitations under the License.
  */
 
+#include "SdkConstants.h"
+
+#include <algorithm>
 #include <string>
 #include <unordered_map>
+#include <vector>
 
 namespace aapt {
 
+static const std::vector<std::pair<uint16_t, size_t>> sAttrIdMap = {
+    { 0x021c, 1 },
+    { 0x021d, 2 },
+    { 0x0269, SDK_CUPCAKE },
+    { 0x028d, SDK_DONUT },
+    { 0x02ad, SDK_ECLAIR },
+    { 0x02b3, SDK_ECLAIR_0_1 },
+    { 0x02b5, SDK_ECLAIR_MR1 },
+    { 0x02bd, SDK_FROYO },
+    { 0x02cb, SDK_GINGERBREAD },
+    { 0x0361, SDK_HONEYCOMB },
+    { 0x0366, SDK_HONEYCOMB_MR1 },
+    { 0x03a6, SDK_HONEYCOMB_MR2 },
+    { 0x03ae, SDK_JELLY_BEAN },
+    { 0x03cc, SDK_JELLY_BEAN_MR1 },
+    { 0x03da, SDK_JELLY_BEAN_MR2 },
+    { 0x03f1, SDK_KITKAT },
+    { 0x03f6, SDK_KITKAT_WATCH },
+    { 0x04ce, SDK_LOLLIPOP },
+};
+
+static bool lessEntryId(const std::pair<uint16_t, size_t>& p, uint16_t entryId) {
+    return p.first < entryId;
+}
+
+size_t findAttributeSdkLevel(ResourceId id) {
+    if (id.packageId() != 0x01 && id.typeId() != 0x01) {
+        return 0;
+    }
+    auto iter = std::lower_bound(sAttrIdMap.begin(), sAttrIdMap.end(), id.entryId(), lessEntryId);
+    if (iter == sAttrIdMap.end()) {
+        return SDK_LOLLIPOP_MR1;
+    }
+    return iter->second;
+}
+
 static const std::unordered_map<std::u16string, size_t> sAttrMap = {
     { u"marqueeRepeatLimit", 2 },
     { u"windowNoDisplay", 3 },
@@ -682,12 +722,16 @@ static const std::unordered_map<std::u16string, size_t> sAttrMap = {
     { u"colorEdgeEffect", 21 }
 };
 
-size_t findAttributeSdkLevel(const std::u16string& name) {
-    auto iter = sAttrMap.find(name);
+size_t findAttributeSdkLevel(const ResourceName& name) {
+    if (name.package != u"android" && name.type != ResourceType::kAttr) {
+        return 0;
+    }
+
+    auto iter = sAttrMap.find(name.entry);
     if (iter != sAttrMap.end()) {
         return iter->second;
     }
-    return 0;
+    return SDK_LOLLIPOP_MR1;
 }
 
 } // namespace aapt