xml binary internal support & code optimize

deps/oblib/src/common/object/ob_object.h

@@ -1062,24 +1062,6 @@ public:
   bool has_lob_header_; // for observer 4.0 compatibility
 };
 
-// mock xml binary header for test;
-class ObMockXmlBinHeader {
-public:
-  ObMockXmlBinHeader(bool is_unparsed, bool is_document) :
-    is_unparsed_(is_unparsed), is_document_(is_document), reserved_(0) {}
-  ~ObMockXmlBinHeader(){};
-
-  TO_STRING_KV(K_(is_unparsed), K_(is_document), K_(reserved));
-  union {
-    uint32_t flag_;
-    struct {
-      uint32_t is_unparsed_: 1;
-      uint32_t is_document_: 1;
-      uint32_t reserved_: 30;
-    };
-  };
-};
-
 struct ObObjPrintParams
 {
   ObObjPrintParams (const ObTimeZoneInfo *tz_info, ObCollationType cs_type):

deps/oblib/src/lib/string/ob_string_buffer.cpp

@@ -87,7 +87,7 @@ int ObStringBuffer::append(const ObString &str)
 int ObStringBuffer::reserve(const uint64_t len)
 {
   INIT_SUCC(ret);
-  const uint64_t need_size = len_ + len + 1; // 1 more byte for C terminating null byte ('\0')
+  const uint64_t need_size = len_ + len + 8; // 1 more byte for C terminating null byte ('\0')
   static const uint64_t BIT_PER_BYTE = 8;
   if (OB_ISNULL(allocator_)) {
     ret = OB_ERR_NULL_VALUE;

unittest/share/test_xml_parser.cpp

@@ -2161,7 +2161,7 @@ TEST_F(TestXmlParser, test_ns_attr_simple)
   ASSERT_EQ(ObMulModeNodeType::M_ELEMENT, root_node->type());
   ObXmlElement* root = dynamic_cast<ObXmlElement*>(root_node);
   ASSERT_EQ(1, root->size());
-  ASSERT_EQ(2, root->attributes_size());
+  ASSERT_EQ(2, root->attribute_size());
 
   // check root attrs
   ObXmlAttribute* attr1 = NULL;
@@ -2213,7 +2213,7 @@ TEST_F(TestXmlParser, test_ns_attr_before_simple)
   ASSERT_EQ(ObMulModeNodeType::M_ELEMENT, root_node->type());
   ObXmlElement* root = dynamic_cast<ObXmlElement*>(root_node);
   ASSERT_EQ(1, root->size());
-  ASSERT_EQ(2, root->attributes_size());
+  ASSERT_EQ(2, root->attribute_size());
 
   // check root attrs
   ObXmlAttribute* attr1 = NULL;
@@ -2263,7 +2263,7 @@ TEST_F(TestXmlParser, test_ns_default_elem)
   ObXmlNode* root_node = doc->at(0);
   ASSERT_EQ(ObMulModeNodeType::M_ELEMENT, root_node->type());
   ObXmlElement* root = dynamic_cast<ObXmlElement*>(root_node);
-  ASSERT_EQ(2, root->attributes_size());
+  ASSERT_EQ(2, root->attribute_size());
   ASSERT_EQ(1, root->size());
 
   // check root attrs

unittest/share/test_xml_tree.cpp

@@ -173,7 +173,7 @@ TEST_F(TestXmlNodeBase, test_xml_node_element_add_child)
   element1.set_ns(&ns);
   element1.set_prefix(ns.get_key());
   ASSERT_EQ(element1.size(), 2);
-  ASSERT_EQ(element1.attributes_size(), 1);
+  ASSERT_EQ(element1.attribute_size(), 1);
   element1.update_attribute(&attr2, 0);
   // ASSERT_EQ(element1.get_attribute().at(0).get_value(), "sttr2_value");
   ObString key_res1;
@@ -676,7 +676,7 @@ TEST_F(TestXmlNodeBase, test_xml_node_element_add_well_from)
   ASSERT_EQ(ObMulModeNodeType::M_ELEMENT, element1.type());
   ObString emelent1= "emelent1";
   ObString emelent2= "emelent2";
-  ASSERT_EQ(content.attributes_size(), 0);
+  ASSERT_EQ(content.attribute_size(), 0);
   element1.set_key(emelent1);
   element2.set_key(emelent2);
   ASSERT_EQ(element1.get_key(), "emelent1");
@@ -699,7 +699,7 @@ TEST_F(TestXmlNodeBase, test_xml_node_element_add_well_from)
   element1.add_attribute(&attr1);
   element2.add_attribute(&attr1);
   ASSERT_EQ(element1.size(), 2);
-  ASSERT_EQ(element1.attributes_size(), 1);
+  ASSERT_EQ(element1.attribute_size(), 1);
 
   comment.set_text(cdata1);
   int res = cdata.compare(cdata1, res);

unittest/share/test_xml_tree_base.cpp

@@ -83,8 +83,8 @@ public:
 
   virtual ~TXmlNodeBase() {}
 
-  int64_t size() const { return ObLibContainerNode::size(); }
+  int64_t size() { return ObLibContainerNode::size(); }
-  int64_t count() const { return size(); }
+  int64_t count() { return size(); }
 
   const common::ObString& get_key()
   {
@@ -99,6 +99,10 @@ public:
     return ret;
   }
 
+  int get_ns_value(ObString &ns_value) {
+    return 0;
+  }
+
   int get_value(ObString& value, int64_t index = -1)  override
   {
     INIT_SUCC(ret);
@@ -111,6 +115,8 @@ public:
     return 0;
   }
 
+  void set_standalone(uint16_t standalone) {  }
+
   // 用于确定key是否匹配
   int compare(const ObString& key, int& res) {
     UNUSED(key);
@@ -118,6 +124,16 @@ public:
     return 0;
   }
 
+  virtual int64_t attribute_size() { return 0; }
+  virtual int64_t attribute_count() { return 0; }
+  ObString get_version() { return ObString(); }
+  ObString get_prefix() { return ObString(); }
+  ObString get_encoding() { return ObString(); }
+  uint16_t get_standalone() { return 0; }
+  ObIMulModeBase* attribute_at(int64_t pos) { return nullptr; }
+  bool has_flags(ObMulModeNodeFlag flag) { return false; }
+  bool get_unparse() { return false; }
+  bool get_is_empty() { return false; }
   // 返回节点具体类型
   // 例如：json返回jsonInt，jsonDouble
   // xml 返回xmlElment, XmlAttribute

unittest/share/test_xml_utils.h

@@ -203,7 +203,7 @@ int ObXmlTreeTextWriter::visit_xml_element(ObXmlElement* node) {
     buffer_.append("<");
     append_qname(node->get_prefix(), node->get_key());
 
-    for (int i = 0; OB_SUCC(ret) && i < node->attributes_size(); ++i) {
+    for (int i = 0; OB_SUCC(ret) && i < node->attribute_size(); ++i) {
       ObXmlAttribute* attr = NULL;
       if (OB_FAIL(node->get_attribute(attr, i))) {
         LOG_WARN("get attr failed", K(ret), K(i));