Move xml class based on libxml into libxml.cpp file.

1 files changed, 171 insertions, 0 deletions

diff --git a/src/utils/xml/libxml.h b/src/utils/xml/libxml.h
new file mode 100644
index 000000000..a783c09c2
--- /dev/null
+++ b/src/utils/xml/libxml.h
@@ -0,0 +1,171 @@
+/*
+ *  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_LIBXML_H
+#define UTILS_XML_LIBXML_H
+
+#ifdef ENABLE_LIBXML
+
+#include "enums/simpletypes/skiperror.h"
+#include "enums/simpletypes/useresman.h"
+
+#include <libxml/tree.h>
+#include <libxml/xmlwriter.h>
+
+#include <string>
+
+#include "localconsts.h"
+
+#define XmlNodePtr xmlNodePtr
+#define XmlNodePtrConst xmlNode *const
+#define XmlStrEqual(str1, str2) xmlStrEqual(str1, \
+    reinterpret_cast<const xmlChar*>(str2))
+#define xmlNameEqual(node, str) xmlStrEqual((node)->name, \
+    reinterpret_cast<const xmlChar*>(str))
+#define XmlTextWriterPtr xmlTextWriterPtr
+#define xmlTypeEqual(node, typ) ((node)->type == (typ))
+#define XmlHasProp(node, name) (xmlHasProp(node, \
+    reinterpret_cast<const xmlChar*>(name)) != nullptr)
+#define XmlGetProp(node, name) xmlGetProp(node, \
+    reinterpret_cast<const xmlChar*>(name))
+#define XmlTextWriterStartElement(writer, name) \
+    xmlTextWriterStartElement(writer, reinterpret_cast<const xmlChar*>(name))
+#define XmlTextWriterWriteAttribute(writer, name, content) \
+    xmlTextWriterWriteAttribute(writer, \
+    reinterpret_cast<const xmlChar*>(name), \
+    reinterpret_cast<const xmlChar*>(content))
+
+/**
+ * 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 != nullptr; }
+
+            bool isValid() const
+            { return mIsValid; }
+
+            static bool validateXml(const std::string &fileName);
+
+        private:
+            xmlDocPtr mDoc;
+            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 (XmlNodePtr var = parent->xmlChildrenNode; var; var = var->next)
+
+#endif  // ENABLE_LIBXML
+#endif  // UTILS_XML_LIBXML_H