# MI - Fimex: include/fimex/XMLDoc.h Source File

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# include/fimex/XMLDoc.h

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    00001 /*
    00002  * Fimex
    00003  *
    00004  * (C) Copyright 2008, met.no
    00005  *
    00006  * Project Info:  https://wiki.met.no/fimex/start
    00007  *
    00008  * This library is free software; you can redistribute it and/or modify it
    00009  * under the terms of the GNU Lesser General Public License as published by
    00010  * the Free Software Foundation; either version 2.1 of the License, or
    00011  * (at your option) any later version.
    00012  *
    00013  * This library is distributed in the hope that it will be useful, but
    00014  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    00015  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
    00016  * License for more details.
    00017  *
    00018  * You should have received a copy of the GNU Lesser General Public
    00019  * License along with this library; if not, write to the Free Software
    00020  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
    00021  * USA.
    00022  */
    00023
    00024 #ifndef XMLDOC_H_
    00025 #define XMLDOC_H_
    00026 #include <boost/utility.hpp>
    00027 #include <boost/shared_ptr.hpp>
    00028 #include <string>
    00029 #include "fimex/CDMException.h"
    00030
    00031 //forward decl;
    00032 struct _xmlDoc;
    00033 struct _xmlXPathContext;
    00034 struct _xmlXPathObject;
    00035 struct _xmlNode;
    00036 typedef struct _xmlDoc xmlDoc;
    00037 typedef struct _xmlNode xmlNode;
    00038 typedef struct _xmlXPathContext xmlXPathContext;
    00039 typedef xmlNode* xmlNodePtr;
    00040 typedef struct _xmlXPathObject xmlXPathObject;
    00041
    00042 namespace MetNoFimex
    00043 {
    00044
    00045 typedef boost::shared_ptr<xmlXPathObject> XPathObjPtr;
    00046
    00050 class XMLDoc : boost::noncopyable
    00051 {
    00052 public:
    00059         XMLDoc(const std::string& filename) throw(CDMException);
    00060         virtual ~XMLDoc();
    00068         XPathObjPtr getXPathObject(const std::string& xpath, xmlNodePtr node = 0) const throw(CDMException);
    00076         void registerNamespace(const std::string& prefix, const std::string& uri) throw(CDMException);
    00077
    00078 private:
    00079         xmlDoc* doc;
    00080         xmlXPathContext* xpathCtx;
    00081         void cleanup();
    00082 };
    00083
    00089 std::string getXmlProp(const xmlNodePtr node, const std::string& attrName);
    00090
    00096 std::string getXmlName(const xmlNodePtr node);
    00097
    00098
    00099 }
    00100
    00101 #endif /*XMLDOC_H_*/