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https://github.com/stefanocasazza/ULib.git
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146 lines
3.4 KiB
C++
146 lines
3.4 KiB
C++
// ============================================================================
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//
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// = LIBRARY
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// ULib - c++ library
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//
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// = FILENAME
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// schema.h - wrapping of libxml2
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//
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// = AUTHOR
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// Stefano Casazza
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//
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// ============================================================================
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#ifndef ULIB_UXML2SCHEMA_H
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#define ULIB_UXML2SCHEMA_H 1
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#include <ulib/xml/libxml2/document.h>
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#include <libxml/xmlschemas.h>
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#include <libxml/xmlschemastypes.h>
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/*
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A Schemas definition
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struct _xmlSchema {
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const xmlChar* name; // schema name
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const xmlChar* targetNamespace; // the target namespace
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const xmlChar* version;
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const xmlChar* id; // Obsolete
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xmlDocPtr doc;
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xmlSchemaAnnotPtr annot;
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int flags;
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xmlHashTablePtr typeDecl;
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xmlHashTablePtr attrDecl;
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xmlHashTablePtr attrgrpDecl;
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xmlHashTablePtr elemDecl;
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xmlHashTablePtr notaDecl;
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xmlHashTablePtr schemasImports;
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void* _private; // unused by the library for users or bindings
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xmlHashTablePtr groupDecl;
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xmlDictPtr dict;
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void* includes; // the includes, this is opaque for now
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int preserve; // whether to free the document
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int counter; // used to give ononymous components unique names
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xmlHashTablePtr idcDef; // All identity-constraint defs
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void* volatiles; // Obsolete
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};
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*/
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class U_EXPORT UXML2Schema {
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public:
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// Check for memory error
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U_MEMORY_TEST
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// Allocator e Deallocator
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U_MEMORY_ALLOCATOR
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U_MEMORY_DEALLOCATOR
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/**
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* Create a schema from a XML document.
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*
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* @param XMLSchema document
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*/
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UXML2Schema(const UString& xmldoc);
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~UXML2Schema();
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const char* getName() const
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{
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U_TRACE_NO_PARAM(0, "UXML2Schema::getName()")
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U_INTERNAL_ASSERT_POINTER(impl_)
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const char* result = (impl_->name ? (const char*)impl_->name : "");
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U_RETURN(result);
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}
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const char* getTargetNameSpace() const
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{
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U_TRACE_NO_PARAM(0, "UXML2Schema::getTargetNameSpace()")
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U_INTERNAL_ASSERT_POINTER(impl_)
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const char* result = (impl_->targetNamespace ? (const char*)impl_->targetNamespace : "");
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U_RETURN(result);
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}
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const char* getVersion() const
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{
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U_TRACE_NO_PARAM(0, "UXML2Schema::getVersion()")
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U_INTERNAL_ASSERT_POINTER(impl_)
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const char* result = (impl_->version ? (const char*)impl_->version : "");
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U_RETURN(result);
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}
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bool validate(UXML2Document& doc);
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/**
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* Write the schema to a file.
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*
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* @param filename
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*/
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void writeToFile(const char* filename);
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// Access the underlying libxml2 implementation.
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xmlSchemaPtr cobj() { return impl_; }
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#if defined(U_STDCPP_ENABLE) && defined(DEBUG)
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const char* dump(bool reset) const;
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#endif
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protected:
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xmlSchemaPtr impl_;
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xmlSchemaValidCtxtPtr ctxt;
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/**
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* Create a schema from the underlying libxml schema element
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*/
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UXML2Schema(xmlSchemaPtr schema) : impl_(schema)
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{
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U_TRACE_REGISTER_OBJECT(0, UXML2Schema, "%p", schema)
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}
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private:
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#ifdef U_COMPILER_DELETE_MEMBERS
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UXML2Schema(const UXML2Schema&) = delete;
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UXML2Schema& operator=(const UXML2Schema&) = delete;
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#else
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UXML2Schema(const UXML2Schema&) {}
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UXML2Schema& operator=(const UXML2Schema&) { return *this; }
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#endif
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};
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#endif
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