WsdlExtension.h

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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 
00022 #ifndef _WSDLEXTENSIONH
00023 #define _WSDLEXTENSIONH
00024 
00025 #include "xmlpull/XmlPullParser.h"
00026 #include "schemaparser/SchemaParser.h"
00027 #include "xmlpull/wsdlpull_export.h"
00028 
00029 using namespace Schema;
00030 
00031 #if (defined _WIN32) && !(defined SCHEMADIR)
00032 #define SCHEMADIR "src/schemas/"
00033 #endif
00034 
00035 
00036 namespace WsdlPull {
00037 
00038 class WsdlParser;
00039 
00040 //This class is the generic interface that all extensibility namespaces must derive from
00041 class WSDLPULL_EXPORT WsdlExtension
00042 {
00043  public:
00044   WsdlExtension(){};
00045   virtual ~WsdlExtension(){};
00046   virtual std::string getNamespace()const = 0;
00047   
00048   //returns the namespace Uri of the wsdl extensibility elements that it can handle.
00049   virtual void setNamespacePrefix(std::string) = 0;
00050   virtual std::string getNamespacePrefix()const = 0;
00051 
00052   //does this extensibility handler handle the given namespace
00053   virtual bool isNamespaceHandler(const std::string &)const = 0;
00054   virtual std::string getExtensibilitySchema()const = 0;
00055   virtual void setSchemaParser(SchemaParser * spe) = 0;
00056   virtual void setSchemaPath(const std::string & /* schemaPath */){};
00057 
00058   // parent is the Wsdl parent element type under which the extensibility element has come
00059   // the id returned must be non zero if the extensibility handler has handled the element correctly
00060   virtual int handleElement(int parent, XmlPullParser *) = 0;
00061 
00062   //attName is the extensibility attribute
00063   // the id returned must be non zero if the extensibility handler has handled the attribute correctly
00064   virtual int handleAttribute(int parent, std::string attName,
00065                               XmlPullParser *) = 0;
00066 
00067   //returns a valid extensibilty element
00068   //must return a non zero integer if the element was present in the wsdl
00069   virtual int getElementName(int id)const = 0;
00070 
00071   //returns a valid extensibility attribute
00072   //must return a non zero integer if the attribute was present in the wsdl
00073   virtual int getAttributeName(int id)const = 0;
00074 
00075   //this is the start of all ids that must be used for elems/attributes in this namespace
00076   virtual void setStartId(int) = 0;
00077   virtual int getStartId() const= 0;
00078   virtual void setWsdlParser(WsdlParser *){};
00079   virtual WsdlParser * wsdlParser()const { return 0;} ;
00080 
00081   //this method returns true if the Wsdl file had extensibility elements parsed by this extensibility handler
00082   virtual bool wasUsed()const = 0;
00083 };
00084 }
00085 #endif                                            /*  */
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