Add pugixml backend incomplete.

Add some defines for xml nodes manipulation.
With pugixml backend no xml writing.

1 files changed, 181 insertions, 0 deletions

diff --git a/src/utils/xml/pugixml.h b/src/utils/xml/pugixml.h
new file mode 100644
index 000000000..57e0cccd3
--- /dev/null
+++ b/src/utils/xml/pugixml.h
@@ -0,0 +1,181 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2015  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef UTILS_XML_PUGIXML_H
+#define UTILS_XML_PUGIXML_H
+
+#ifdef ENABLE_PUGIXML
+
+#include "enums/simpletypes/skiperror.h"
+#include "enums/simpletypes/useresman.h"
+
+#include <pugixml.hpp>
+
+#include <string>
+
+#include "localconsts.h"
+
+#define XML_ELEMENT_NODE pugi::node_element
+
+#define XmlNodePtr pugi::xml_node
+#define XmlNodePtrConst pugi::xml_node 
+#define xmlNameEqual(node, str) !strcmp((node).name(), str)
+#define xmlTypeEqual(node, typ) ((node).type() == (typ))
+#define XmlHasProp(node, name) (!((node).attribute(name).empty()))
+#define XmlHaveChildContent(node) ((node).child_value() != nullptr && \
+    *(node).child_value())
+#define XmlChildContent(node) (node).child_value()
+#define xmlChar char
+#define XmlFree(ptr)
+#define XmlNodeDefault pugi::xml_node()
+
+// +++ need impliment get context 
+#define XmlNodeGetContent(node) (node).child_value()
+
+// +++ need impliment writing code
+#define XmlTextWriterPtr pugi::xml_writer*
+#define XmlTextWriterStartElement(writer, name)
+#define XmlTextWriterEndElement(writer)
+#define XmlTextWriterWriteAttribute(writer, name, content)
+#define XmlNewTextWriterFilename(name, flags) nullptr;
+#define XmlTextWriterSetIndent(writer, flags)
+#define XmlTextWriterStartDocument(writer, p1, p2, p3)
+#define XmlTextWriterEndDocument(writer)
+#define XmlFreeTextWriter(writer)
+
+/**
+ * XML helper functions.
+ */
+namespace XML
+{
+    /**
+     * A helper class for parsing an XML document, which also cleans it up
+     * again (RAII).
+     */
+    class Document final
+    {
+        public:
+            /**
+             * Constructor that attempts to load the given file through the
+             * resource manager. Logs errors.
+             */
+            Document(const std::string &filename,
+                     const UseResman useResman,
+                     const SkipError skipError);
+
+            /**
+             * Constructor that attempts to load an XML document from memory.
+             * Does not log errors.
+             *
+             * @param data the string to parse as XML
+             * @param size the length of the string in bytes
+             */
+            Document(const char *const data, const int size);
+
+            A_DELETE_COPY(Document)
+
+            /**
+             * Destructor. Frees the loaded XML file.
+             */
+            ~Document();
+
+            /**
+             * Returns the root node of the document (or NULL if there was a
+             * load error).
+             */
+            XmlNodePtr rootNode() A_WARN_UNUSED;
+
+            bool isLoaded() const
+            { return !mDoc.empty(); }
+
+            bool isValid() const
+            { return mIsValid; }
+
+            static bool validateXml(const std::string &fileName);
+
+        private:
+            pugi::xml_document mDoc;
+            pugi::xml_node mRoot;
+            char *mData;
+            bool mIsValid;
+    };
+
+    /**
+     * Gets an floating point property from an XmlNodePtr.
+     */
+    double getFloatProperty(const XmlNodePtr node,
+                            const char *const name,
+                            double def) A_WARN_UNUSED;
+
+    /**
+     * Gets an integer property from an XmlNodePtr.
+     */
+    int getProperty(const XmlNodePtr node,
+                    const char *const name,
+                    int def) A_WARN_UNUSED;
+
+    /**
+     * Gets an integer property from an XmlNodePtr.
+     */
+    int getIntProperty(const XmlNodePtr node,
+                       const char *const name,
+                       int def,
+                       const int min,
+                       const int max) A_WARN_UNUSED;
+
+    /**
+     * Gets a string property from an XmlNodePtr.
+     */
+    std::string getProperty(const XmlNodePtr node,
+                            const char *const name,
+                            const std::string &def) A_WARN_UNUSED;
+
+    /**
+     * Gets a translated string property from an XmlNodePtr.
+     */
+    std::string langProperty(const XmlNodePtr node,
+                             const char *const name,
+                             const std::string &def) A_WARN_UNUSED;
+
+    /**
+     * Gets a boolean property from an XmlNodePtr.
+     */
+    bool getBoolProperty(const XmlNodePtr node,
+                         const char *const name,
+                         const bool def) A_WARN_UNUSED;
+
+    /**
+     * Finds the first child node with the given name
+     */
+    XmlNodePtr findFirstChildByName(const XmlNodePtrConst parent,
+                                    const char *const name) A_WARN_UNUSED;
+
+    void initXML();
+
+    void cleanupXML();
+}  // namespace XML
+
+#define for_each_xml_child_node(var, parent) \
+    for (pugi::xml_node var = parent.first_child(); var; var = var.next_sibling())
+
+#endif  // ENABLE_PUGIXML
+#endif  // UTILS_XML_PUGIXML_H