src/schemaparser/SchemaValidator.h

00001 /* 
00002  * wsdlpull - A C++ parser  for WSDL  (Web services description language)
00003  * Copyright (C) 2005-2007 Vivek Krishna
00004  *
00005  * This library is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU Library General Public
00007  * License as published by the Free Software Foundation; either
00008  * version 2 of the License, or (at your option) any later version.
00009  *
00010  * This library is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Library General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Library General Public
00016  * License along with this library; if not, write to the Free
00017  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018  *
00019  *
00020  */
00021 #ifndef _SCHEMAVALIDATORH
00022 #define _SCHEMAVALIDATORH
00023 
00024 #include "xmlpull/wsdlpull_export.h"
00025 #include "schemaparser/SchemaParser.h"
00026 #include "schemaparser/SchemaParserException.h"
00027 #include "schemaparser/TypeContainer.h"
00028 
00029 
00030 namespace Schema {
00031 
00032 //class for validating a schema instance
00033 class WSDLPULL_EXPORT SchemaValidator
00034 {
00035  public:
00036   /** @name Constructors and Destructors */
00037   //@{
00038   /**
00039    * The constructor for SchemaValidator
00040    * @param pointer to the schema parser instance for the schema
00041    */
00042   SchemaValidator(const SchemaParser * sp);
00043   ~SchemaValidator();
00044 
00045   //@}
00046 
00047   /** @name methods for validating schema instance*/
00048   //@{
00049   /**
00050    * @name validate 
00051    * @brief This is the main function to validate any type with its instance
00052    * @param  XmlPullParser instance of the xml stream containing the
00053    * instance of the schema type
00054    * @param pointer to the type whose instance must be validated
00055    * @param type container to be used (can be null)
00056    * @return type container containing an instance of the schema type
00057    */
00058   TypeContainer *validate(XmlPullParser * xpp, int typeId,
00059                           TypeContainer * ipTc = 0);
00060   
00061   TypeContainer *validate(const std::string & val , int typeId,
00062                           TypeContainer * ipTc = 0, XmlPullParser * xpp = 0); //for simple types
00063   TypeContainer * validate(void* value ,int typeId,
00064                            TypeContainer * ipTc = 0, XmlPullParser * xpp = 0);
00065   
00066   //@}
00067  private:
00068   
00069   TypeContainer* validateContentModel(XmlPullParser * xpp, 
00070                                       ContentModel* cm,
00071                                       TypeContainer * ipTc,
00072                                       const std::string & elemName,
00073                                       bool nested=false);
00074   
00075   void extractSimpleType(const std::string & val, int basetype,
00076                          TypeContainer * ipTc, const SimpleType * st,
00077                          XmlPullParser * xpp);
00078   bool    validateListOrUnion(const SimpleType* st,
00079                            const std::string &val, XmlPullParser * xpp);
00080 
00081   bool  findElement(ContentModel::ContentsIterator start, 
00082                     ContentModel::ContentsIterator end,
00083                     std::string name, 
00084                     ContentModel::ContentsIterator & found);
00085   bool checkAttributeOccurence(const ComplexType* ct ,XmlPullParser* xpp);
00086   void error(const std::string & , XmlPullParser* xpp=0);
00087   const SchemaParser *sParser;
00088 
00089 };
00090 }
00091 #endif

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