Move xml to base.

1 files changed, 43 insertions, 0 deletions

diff --git a/include/cru/base/xml/XmlParser.h b/include/cru/base/xml/XmlParser.h
new file mode 100644
index 00000000..22b529d7
--- /dev/null
+++ b/include/cru/base/xml/XmlParser.h
@@ -0,0 +1,43 @@
+#pragma once
+
+#include "../Exception.h"
+#include "XmlNode.h"
+
+namespace cru::xml {
+class CRU_BASE_API XmlParsingException : public Exception {
+ public:
+  using Exception::Exception;
+};
+
+class CRU_BASE_API XmlParser {
+ public:
+  explicit XmlParser(std::string xml);
+
+  CRU_DELETE_COPY(XmlParser)
+  CRU_DELETE_MOVE(XmlParser)
+
+  ~XmlParser();
+
+  XmlElementNode* Parse();
+
+ private:
+  XmlElementNode* DoParse();
+
+  char16_t Read1();
+  std::string ReadWithoutAdvance(int count = 1);
+  void ReadSpacesAndDiscard();
+  std::string ReadSpaces();
+  std::string ReadIdenitifier();
+  std::string ReadAttributeString();
+
+ private:
+  std::string xml_;
+
+  XmlElementNode* cache_ = nullptr;
+
+  // Consider the while file enclosed by a single tag called $root.
+  XmlElementNode* pseudo_root_node_ = new XmlElementNode("$root");
+  XmlElementNode* current_ = pseudo_root_node_;
+  int current_position_ = 0;
+};
+}  // namespace cru::xml