Merge "AAPT2: Fix quoted text in res/xml assets" into pi-dev
am: 150bafd217

Change-Id: I5bb4a63234cf3ee022bbf59edd5b613abefd8bef
diff --git a/tools/aapt2/format/binary/XmlFlattener.cpp b/tools/aapt2/format/binary/XmlFlattener.cpp
index d897941..2fe2424 100644
--- a/tools/aapt2/format/binary/XmlFlattener.cpp
+++ b/tools/aapt2/format/binary/XmlFlattener.cpp
@@ -79,23 +79,31 @@
   }
 
   void Visit(const xml::Text* node) override {
-    if (util::TrimWhitespace(node->text).empty()) {
-      // Skip whitespace only text nodes.
+    std::string text = util::TrimWhitespace(node->text).to_string();
+
+    // Skip whitespace only text nodes.
+    if (text.empty()) {
       return;
     }
 
+    // Compact leading and trailing whitespace into a single space
+    if (isspace(node->text[0])) {
+      text = ' ' + text;
+    }
+    if (isspace(node->text[node->text.length() - 1])) {
+      text = text + ' ';
+    }
+
     ChunkWriter writer(buffer_);
     ResXMLTree_node* flat_node = writer.StartChunk<ResXMLTree_node>(RES_XML_CDATA_TYPE);
     flat_node->lineNumber = util::HostToDevice32(node->line_number);
     flat_node->comment.index = util::HostToDevice32(-1);
 
-    ResXMLTree_cdataExt* flat_text = writer.NextBlock<ResXMLTree_cdataExt>();
-
     // Process plain strings to make sure they get properly escaped.
-    StringBuilder builder;
-    builder.AppendText(node->text);
-    AddString(builder.to_string(), kLowPriority, &flat_text->data);
+    text = StringBuilder(true /*preserve_spaces*/).AppendText(text).to_string();
 
+    ResXMLTree_cdataExt* flat_text = writer.NextBlock<ResXMLTree_cdataExt>();
+    AddString(text, kLowPriority, &flat_text->data);
     writer.Finish();
   }
 
diff --git a/tools/aapt2/format/binary/XmlFlattener_test.cpp b/tools/aapt2/format/binary/XmlFlattener_test.cpp
index 08243fe..25786b1 100644
--- a/tools/aapt2/format/binary/XmlFlattener_test.cpp
+++ b/tools/aapt2/format/binary/XmlFlattener_test.cpp
@@ -286,6 +286,165 @@
   EXPECT_THAT(tree.getText(&len), StrEq(u"\\d{5}"));
 }
 
+TEST_F(XmlFlattenerTest, ProcessQuotes) {
+  std::unique_ptr<xml::XmlResource> doc = test::BuildXmlDom(
+      R"(<root>
+          <item>Regular text</item>
+          <item>"Text in double quotes"</item>
+          <item>'Text in single quotes'</item>
+          <item>Text containing "double quotes"</item>
+          <item>Text containing 'single quotes'</item>
+      </root>)");
+
+  size_t len;
+  android::ResXMLTree tree;
+
+  XmlFlattenerOptions options;
+  ASSERT_TRUE(Flatten(doc.get(), &tree, options));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::TEXT));
+  EXPECT_THAT(tree.getText(&len), StrEq(u"Regular text"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::TEXT));
+  EXPECT_THAT(tree.getText(&len), StrEq(u"\"Text in double quotes\""));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementNamespace(&len), IsNull());
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::TEXT));
+  EXPECT_THAT(tree.getText(&len), StrEq(u"'Text in single quotes'"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::TEXT));
+  EXPECT_THAT(tree.getText(&len), StrEq(u"Text containing \"double quotes\""));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::TEXT));
+  EXPECT_THAT(tree.getText(&len), StrEq(u"Text containing 'single quotes'"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_DOCUMENT));
+}
+
+TEST_F(XmlFlattenerTest, ProcessWhitepspace) {
+  std::unique_ptr<xml::XmlResource> doc = test::BuildXmlDom(
+      R"(<root>
+          <item>   Compact   Spaces   </item>
+          <item>
+                 A
+          </item>
+          <item>B   </item>
+          <item>C </item>
+          <item> D  </item>
+          <item>   E</item>
+          <item> F</item>
+          <item>  G </item>
+          <item> H </item>
+<item>
+I
+</item>
+<item>
+
+   J
+
+</item>
+          <item>
+          </item>
+      </root>)");
+
+  size_t len;
+  android::ResXMLTree tree;
+
+  XmlFlattenerOptions options;
+  ASSERT_TRUE(Flatten(doc.get(), &tree, options));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::TEXT));
+  EXPECT_THAT(tree.getText(&len), StrEq(u" Compact   Spaces "));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::TEXT));
+  EXPECT_THAT(tree.getText(&len), StrEq(u" A "));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::TEXT));
+  EXPECT_THAT(tree.getText(&len), StrEq(u"B "));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::TEXT));
+  EXPECT_THAT(tree.getText(&len), StrEq(u"C "));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::TEXT));
+  EXPECT_THAT(tree.getText(&len), StrEq(u" D "));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::TEXT));
+  EXPECT_THAT(tree.getText(&len), StrEq(u" E"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::TEXT));
+  EXPECT_THAT(tree.getText(&len), StrEq(u" F"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::TEXT));
+  EXPECT_THAT(tree.getText(&len), StrEq(u" G "));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::TEXT));
+  EXPECT_THAT(tree.getText(&len), StrEq(u" H "));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::TEXT));
+  EXPECT_THAT(tree.getText(&len), StrEq(u" I "));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::TEXT));
+  EXPECT_THAT(tree.getText(&len), StrEq(u" J "));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::START_TAG));
+  EXPECT_THAT(tree.getElementName(&len), StrEq(u"item"));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_TAG));
+
+  ASSERT_THAT(tree.next(), Eq(android::ResXMLTree::END_DOCUMENT));
+}
+
 TEST_F(XmlFlattenerTest, FlattenRawValueOnlyMakesCompiledValueToo) {
   std::unique_ptr<xml::XmlResource> doc = test::BuildXmlDom(R"(<element foo="bar" />)");