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+// file : xsd/cxx/parser/xerces/elements.txx
+// author : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2005-2009 Code Synthesis Tools CC
+// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#include <istream>
+#include <cstddef> // std::size_t
+#include <cassert>
+
+#include <xercesc/sax/SAXParseException.hpp>
+#include <xercesc/sax2/Attributes.hpp>
+#include <xercesc/sax2/XMLReaderFactory.hpp>
+#include <xercesc/validators/schema/SchemaSymbols.hpp>
+#include <xercesc/util/XMLUni.hpp>
+
+#include <xsd/cxx/xml/string.hxx>
+#include <xsd/cxx/xml/sax/std-input-source.hxx>
+#include <xsd/cxx/xml/sax/bits/error-handler-proxy.hxx>
+#include <xsd/cxx/xml/bits/literals.hxx> // xml::bits::{xml_prefix, etc}
+
+#include <xsd/cxx/parser/error-handler.hxx>
+#include <xsd/cxx/parser/schema-exceptions.hxx>
+
+namespace xsd
+{
+ namespace cxx
+ {
+ namespace parser
+ {
+ namespace xerces
+ {
+
+ // document
+ //
+
+ template <typename C>
+ document<C>::
+ document (parser_base<C>& parser,
+ const C* name,
+ bool polymorphic)
+ : cxx::parser::document<C> (parser, std::basic_string<C> (), name),
+ polymorphic_ (polymorphic)
+ {
+ }
+
+ template <typename C>
+ document<C>::
+ document (parser_base<C>& parser,
+ const std::basic_string<C>& name,
+ bool polymorphic)
+ : cxx::parser::document<C> (parser, std::basic_string<C> (), name),
+ polymorphic_ (polymorphic)
+ {
+ }
+
+ template <typename C>
+ document<C>::
+ document (parser_base<C>& parser,
+ const C* ns,
+ const C* name,
+ bool polymorphic)
+ : cxx::parser::document<C> (parser, ns, name),
+ polymorphic_ (polymorphic)
+ {
+ }
+
+ template <typename C>
+ document<C>::
+ document (parser_base<C>& parser,
+ const std::basic_string<C>& ns,
+ const std::basic_string<C>& name,
+ bool polymorphic)
+ : cxx::parser::document<C> (parser, ns, name),
+ polymorphic_ (polymorphic)
+ {
+ }
+
+ template <typename C>
+ document<C>::
+ document (bool polymorphic)
+ : polymorphic_ (polymorphic)
+ {
+ }
+
+ // parse (uri)
+ //
+ template <typename C>
+ void document<C>::
+ parse (const std::basic_string<C>& uri,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::auto_initializer init ((f & flags::dont_initialize) == 0);
+
+ error_handler<C> eh;
+ xml::sax::bits::error_handler_proxy<C> eh_proxy (eh);
+ std::auto_ptr<xercesc::SAX2XMLReader> sax (create_sax_ (f, p));
+
+ parse (uri, eh_proxy, *sax, f, p);
+
+ eh.throw_if_failed ();
+ }
+
+ template <typename C>
+ void document<C>::
+ parse (const C* uri,
+ flags f,
+ const properties<C>& p)
+ {
+ parse (std::basic_string<C> (uri), f, p);
+ }
+
+ // error_handler
+ //
+
+ template <typename C>
+ void document<C>::
+ parse (const std::basic_string<C>& uri,
+ xml::error_handler<C>& eh,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::auto_initializer init ((f & flags::dont_initialize) == 0);
+
+ xml::sax::bits::error_handler_proxy<C> eh_proxy (eh);
+ std::auto_ptr<xercesc::SAX2XMLReader> sax (create_sax_ (f, p));
+
+ parse (uri, eh_proxy, *sax, f, p);
+
+ if (eh_proxy.failed ())
+ throw parsing<C> ();
+ }
+
+ template <typename C>
+ void document<C>::
+ parse (const C* uri,
+ xml::error_handler<C>& eh,
+ flags f,
+ const properties<C>& p)
+ {
+ parse (std::basic_string<C> (uri), eh, f, p);
+ }
+
+ // ErrorHandler
+ //
+
+ template <typename C>
+ void document<C>::
+ parse (const std::basic_string<C>& uri,
+ xercesc::ErrorHandler& eh,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::sax::bits::error_handler_proxy<C> eh_proxy (eh);
+ std::auto_ptr<xercesc::SAX2XMLReader> sax (create_sax_ (f, p));
+
+ parse (uri, eh_proxy, *sax, f, p);
+
+ if (eh_proxy.failed ())
+ throw parsing<C> ();
+ }
+
+ template <typename C>
+ void document<C>::
+ parse (const C* uri,
+ xercesc::ErrorHandler& eh,
+ flags f,
+ const properties<C>& p)
+ {
+ parse (std::basic_string<C> (uri), eh, f, p);
+ }
+
+ // SAX2XMLReader
+ //
+
+ template <typename C>
+ void document<C>::
+ parse (const std::basic_string<C>& uri,
+ xercesc::SAX2XMLReader& sax,
+ flags f,
+ const properties<C>& p)
+ {
+ // If there is no error handler, then fall back on the default
+ // implementation.
+ //
+ xercesc::ErrorHandler* eh (sax.getErrorHandler ());
+
+ if (eh)
+ {
+ xml::sax::bits::error_handler_proxy<C> eh_proxy (*eh);
+
+ parse (uri, eh_proxy, sax, f, p);
+
+ if (eh_proxy.failed ())
+ throw parsing<C> ();
+ }
+ else
+ {
+ error_handler<C> fallback_eh;
+ xml::sax::bits::error_handler_proxy<C> eh_proxy (fallback_eh);
+
+ parse (uri, eh_proxy, sax, f, p);
+
+ fallback_eh.throw_if_failed ();
+ }
+ }
+
+ template <typename C>
+ void document<C>::
+ parse (const C* uri,
+ xercesc::SAX2XMLReader& sax,
+ flags f,
+ const properties<C>& p)
+ {
+ parse (std::basic_string<C> (uri), sax, f, p);
+ }
+
+ // parse (istream)
+ //
+
+ template <typename C>
+ void document<C>::
+ parse (std::istream& is,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::auto_initializer init ((f & flags::dont_initialize) == 0);
+
+ xml::sax::std_input_source isrc (is);
+
+ parse (isrc, f, p);
+ }
+
+ template <typename C>
+ void document<C>::
+ parse (std::istream& is,
+ xml::error_handler<C>& eh,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::auto_initializer init ((f & flags::dont_initialize) == 0);
+ xml::sax::std_input_source isrc (is);
+ parse (isrc, eh, f, p);
+ }
+
+ template <typename C>
+ void document<C>::
+ parse (std::istream& is,
+ xercesc::ErrorHandler& eh,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::sax::std_input_source isrc (is);
+ parse (isrc, eh, f, p);
+ }
+
+ template <typename C>
+ void document<C>::
+ parse (std::istream& is,
+ xercesc::SAX2XMLReader& sax,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::sax::std_input_source isrc (is);
+ parse (isrc, sax, f, p);
+ }
+
+
+ // parse (istream, system_id)
+ //
+
+
+ template <typename C>
+ void document<C>::
+ parse (std::istream& is,
+ const std::basic_string<C>& system_id,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::auto_initializer init ((f & flags::dont_initialize) == 0);
+ xml::sax::std_input_source isrc (is, system_id);
+ parse (isrc, f, p);
+ }
+
+ template <typename C>
+ void document<C>::
+ parse (std::istream& is,
+ const std::basic_string<C>& system_id,
+ xml::error_handler<C>& eh,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::auto_initializer init ((f & flags::dont_initialize) == 0);
+ xml::sax::std_input_source isrc (is, system_id);
+ parse (isrc, eh, f, p);
+ }
+
+ template <typename C>
+ void document<C>::
+ parse (std::istream& is,
+ const std::basic_string<C>& system_id,
+ xercesc::ErrorHandler& eh,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::sax::std_input_source isrc (is, system_id);
+ parse (isrc, eh, f, p);
+ }
+
+ template <typename C>
+ void document<C>::
+ parse (std::istream& is,
+ const std::basic_string<C>& system_id,
+ xercesc::SAX2XMLReader& sax,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::sax::std_input_source isrc (is, system_id);
+ parse (isrc, sax, f, p);
+ }
+
+
+ // parse (istream, system_id, public_id)
+ //
+
+ template <typename C>
+ void document<C>::
+ parse (std::istream& is,
+ const std::basic_string<C>& system_id,
+ const std::basic_string<C>& public_id,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::auto_initializer init ((f & flags::dont_initialize) == 0);
+ xml::sax::std_input_source isrc (is, system_id, public_id);
+ parse (isrc, f, p);
+ }
+
+ template <typename C>
+ void document<C>::
+ parse (std::istream& is,
+ const std::basic_string<C>& system_id,
+ const std::basic_string<C>& public_id,
+ xml::error_handler<C>& eh,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::auto_initializer init ((f & flags::dont_initialize) == 0);
+ xml::sax::std_input_source isrc (is, system_id, public_id);
+ parse (isrc, eh, f, p);
+ }
+
+ template <typename C>
+ void document<C>::
+ parse (std::istream& is,
+ const std::basic_string<C>& system_id,
+ const std::basic_string<C>& public_id,
+ xercesc::ErrorHandler& eh,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::sax::std_input_source isrc (is, system_id, public_id);
+ parse (isrc, eh, f, p);
+ }
+
+ template <typename C>
+ void document<C>::
+ parse (std::istream& is,
+ const std::basic_string<C>& system_id,
+ const std::basic_string<C>& public_id,
+ xercesc::SAX2XMLReader& sax,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::sax::std_input_source isrc (is, system_id, public_id);
+ parse (isrc, sax, f, p);
+ }
+
+
+ // parse (InputSource)
+ //
+
+
+ template <typename C>
+ void document<C>::
+ parse (const xercesc::InputSource& is,
+ flags f,
+ const properties<C>& p)
+ {
+ error_handler<C> eh;
+ xml::sax::bits::error_handler_proxy<C> eh_proxy (eh);
+ std::auto_ptr<xercesc::SAX2XMLReader> sax (create_sax_ (f, p));
+
+ parse (is, eh_proxy, *sax, f, p);
+
+ eh.throw_if_failed ();
+ }
+
+ template <typename C>
+ void document<C>::
+ parse (const xercesc::InputSource& is,
+ xml::error_handler<C>& eh,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::sax::bits::error_handler_proxy<C> eh_proxy (eh);
+ std::auto_ptr<xercesc::SAX2XMLReader> sax (create_sax_ (f, p));
+
+ parse (is, eh_proxy, *sax, f, p);
+
+ if (eh_proxy.failed ())
+ throw parsing<C> ();
+ }
+
+ template <typename C>
+ void document<C>::
+ parse (const xercesc::InputSource& is,
+ xercesc::ErrorHandler& eh,
+ flags f,
+ const properties<C>& p)
+ {
+ xml::sax::bits::error_handler_proxy<C> eh_proxy (eh);
+ std::auto_ptr<xercesc::SAX2XMLReader> sax (create_sax_ (f, p));
+
+ parse (is, eh_proxy, *sax, f, p);
+
+ if (eh_proxy.failed ())
+ throw parsing<C> ();
+ }
+
+
+ template <typename C>
+ void document<C>::
+ parse (const xercesc::InputSource& is,
+ xercesc::SAX2XMLReader& sax,
+ flags f,
+ const properties<C>& p)
+ {
+ // If there is no error handler, then fall back on the default
+ // implementation.
+ //
+ xercesc::ErrorHandler* eh (sax.getErrorHandler ());
+
+ if (eh)
+ {
+ xml::sax::bits::error_handler_proxy<C> eh_proxy (*eh);
+
+ parse (is, eh_proxy, sax, f, p);
+
+ if (eh_proxy.failed ())
+ throw parsing<C> ();
+ }
+ else
+ {
+ error_handler<C> fallback_eh;
+ xml::sax::bits::error_handler_proxy<C> eh_proxy (fallback_eh);
+
+ parse (is, eh_proxy, sax, f, p);
+
+ fallback_eh.throw_if_failed ();
+ }
+ }
+
+ namespace Bits
+ {
+ struct ErrorHandlingController
+ {
+ ErrorHandlingController (xercesc::SAX2XMLReader& sax,
+ xercesc::ErrorHandler& eh)
+ : sax_ (sax), eh_ (sax_.getErrorHandler ())
+ {
+ sax_.setErrorHandler (&eh);
+ }
+
+ ~ErrorHandlingController ()
+ {
+ sax_.setErrorHandler (eh_);
+ }
+
+ private:
+ xercesc::SAX2XMLReader& sax_;
+ xercesc::ErrorHandler* eh_;
+ };
+
+ struct ContentHandlingController
+ {
+ ContentHandlingController (xercesc::SAX2XMLReader& sax,
+ xercesc::ContentHandler& ch)
+ : sax_ (sax), ch_ (sax_.getContentHandler ())
+ {
+ sax_.setContentHandler (&ch);
+ }
+
+ ~ContentHandlingController ()
+ {
+ sax_.setContentHandler (ch_);
+ }
+
+ private:
+ xercesc::SAX2XMLReader& sax_;
+ xercesc::ContentHandler* ch_;
+ };
+ };
+
+ template <typename C>
+ void document<C>::
+ parse (const std::basic_string<C>& uri,
+ xercesc::ErrorHandler& eh,
+ xercesc::SAX2XMLReader& sax,
+ flags,
+ const properties<C>&)
+ {
+ event_router<C> router (*this, polymorphic_);
+
+ Bits::ErrorHandlingController ehc (sax, eh);
+ Bits::ContentHandlingController chc (sax, router);
+
+ try
+ {
+ sax.parse (xml::string (uri).c_str ());
+ }
+ catch (const schema_exception<C>& e)
+ {
+ xml::string id (e.id ());
+
+ xercesc::SAXParseException se (
+ xml::string (e.message ()).c_str (),
+ id.c_str (),
+ id.c_str (),
+#if _XERCES_VERSION >= 30000
+ static_cast<XMLFileLoc> (e.line ()),
+ static_cast<XMLFileLoc> (e.column ())
+#else
+ static_cast<XMLSSize_t> (e.line ()),
+ static_cast<XMLSSize_t> (e.column ())
+#endif
+ );
+
+ eh.fatalError (se);
+ }
+ }
+
+ template <typename C>
+ void document<C>::
+ parse (const xercesc::InputSource& is,
+ xercesc::ErrorHandler& eh,
+ xercesc::SAX2XMLReader& sax,
+ flags,
+ const properties<C>&)
+ {
+ event_router<C> router (*this, polymorphic_);
+
+ Bits::ErrorHandlingController controller (sax, eh);
+ Bits::ContentHandlingController chc (sax, router);
+
+ try
+ {
+ sax.parse (is);
+ }
+ catch (const schema_exception<C>& e)
+ {
+ xml::string id (e.id ());
+
+ xercesc::SAXParseException se (
+ xml::string (e.message ()).c_str (),
+ id.c_str (),
+ id.c_str (),
+#if _XERCES_VERSION >= 30000
+ static_cast<XMLFileLoc> (e.line ()),
+ static_cast<XMLFileLoc> (e.column ())
+#else
+ static_cast<XMLSSize_t> (e.line ()),
+ static_cast<XMLSSize_t> (e.column ())
+#endif
+ );
+
+ eh.fatalError (se);
+ }
+ }
+
+
+ template <typename C>
+ std::auto_ptr<xercesc::SAX2XMLReader> document<C>::
+ create_sax_ (flags f, const properties<C>& p)
+ {
+ // HP aCC cannot handle using namespace xercesc;
+ //
+ using xercesc::SAX2XMLReader;
+ using xercesc::XMLReaderFactory;
+ using xercesc::XMLUni;
+
+ std::auto_ptr<SAX2XMLReader> sax (
+ XMLReaderFactory::createXMLReader ());
+
+ sax->setFeature (XMLUni::fgSAX2CoreNameSpaces, true);
+ sax->setFeature (XMLUni::fgSAX2CoreNameSpacePrefixes, true);
+ sax->setFeature (XMLUni::fgXercesValidationErrorAsFatal, true);
+
+ if (f & flags::dont_validate)
+ {
+ sax->setFeature (XMLUni::fgSAX2CoreValidation, false);
+ sax->setFeature (XMLUni::fgXercesSchema, false);
+ sax->setFeature (XMLUni::fgXercesSchemaFullChecking, false);
+ }
+ else
+ {
+ sax->setFeature (XMLUni::fgSAX2CoreValidation, true);
+ sax->setFeature (XMLUni::fgXercesSchema, true);
+
+#if _XERCES_VERSION >= 30000
+ if (!(f & flags::no_multiple_imports))
+ sax->setFeature (XMLUni::fgXercesHandleMultipleImports, true);
+#endif
+ // This feature checks the schema grammar for additional
+ // errors. We most likely do not need it when validating
+ // instances (assuming the schema is valid).
+ //
+ sax->setFeature (XMLUni::fgXercesSchemaFullChecking, false);
+ }
+
+ // Transfer properies if any.
+ //
+
+ if (!p.schema_location ().empty ())
+ {
+ xml::string sl (p.schema_location ());
+ const void* v (sl.c_str ());
+
+ sax->setProperty (
+ XMLUni::fgXercesSchemaExternalSchemaLocation,
+ const_cast<void*> (v));
+ }
+
+ if (!p.no_namespace_schema_location ().empty ())
+ {
+ xml::string sl (p.no_namespace_schema_location ());
+ const void* v (sl.c_str ());
+
+ sax->setProperty (
+ XMLUni::fgXercesSchemaExternalNoNameSpaceSchemaLocation,
+ const_cast<void*> (v));
+ }
+
+ return sax;
+ }
+
+ // event_router
+ //
+ template <typename C>
+ event_router<C>::
+ event_router (cxx::parser::document<C>& consumer, bool polymorphic)
+ : loc_ (0), consumer_ (consumer), polymorphic_ (polymorphic)
+ {
+ }
+
+ template <typename C>
+ void event_router<C>::
+ setDocumentLocator (const xercesc::Locator* const loc)
+ {
+ loc_ = loc;
+ }
+
+ template <typename C>
+ void event_router<C>::
+ startElement(const XMLCh* const uri,
+ const XMLCh* const lname,
+ const XMLCh* const /*qname*/,
+ const xercesc::Attributes& attributes)
+ {
+ typedef std::basic_string<C> string;
+
+ {
+ last_valid_ = true;
+ last_ns_ = xml::transcode<C> (uri);
+ last_name_ = xml::transcode<C> (lname);
+
+ // Without this explicit construction IBM XL C++ complains
+ // about ro_string's copy ctor being private even though the
+ // temporary has been eliminated. Note that we cannot
+ // eliminate ns, name and value since ro_string does not make
+ // a copy.
+ //
+ ro_string<C> ro_ns (last_ns_);
+ ro_string<C> ro_name (last_name_);
+
+ if (!polymorphic_)
+ {
+ try
+ {
+ consumer_.start_element (ro_ns, ro_name, 0);
+ }
+ catch (schema_exception<C>& e)
+ {
+ set_location (e);
+ throw;
+ }
+ }
+ else
+ {
+ // Search for the xsi:type attribute.
+ //
+ int i (attributes.getIndex (
+ xercesc::SchemaSymbols::fgURI_XSI,
+ xercesc::SchemaSymbols::fgXSI_TYPE));
+
+ if (i == -1)
+ {
+ try
+ {
+ consumer_.start_element (ro_ns, ro_name, 0);
+ }
+ catch (schema_exception<C>& e)
+ {
+ set_location (e);
+ throw;
+ }
+ }
+ else
+ {
+ try
+ {
+ // @@ Probably need proper QName validation.
+ //
+ // Get the qualified type name and try to resolve it.
+ //
+ string qn (xml::transcode<C> (attributes.getValue (i)));
+
+ ro_string<C> tp, tn;
+ typename string::size_type pos (qn.find (C (':')));
+
+ if (pos != string::npos)
+ {
+ tp.assign (qn.c_str (), pos);
+ tn.assign (qn.c_str () + pos + 1);
+
+ if (tp.empty ())
+ throw dynamic_type<C> (qn);
+ }
+ else
+ tn.assign (qn);
+
+ if (tn.empty ())
+ throw dynamic_type<C> (qn);
+
+ // Search our namespace declaration stack. Sun CC 5.7
+ // blows if we use const_reverse_iterator.
+ //
+ ro_string<C> tns;
+ for (typename ns_decls::reverse_iterator
+ it (ns_decls_.rbegin ()), e (ns_decls_.rend ());
+ it != e; ++it)
+ {
+ if (it->prefix == tp)
+ {
+ tns.assign (it->ns);
+ break;
+ }
+ }
+
+ if (!tp.empty () && tns.empty ())
+ {
+ // The 'xml' prefix requires special handling.
+ //
+ if (tp == xml::bits::xml_prefix<C> ())
+ tns.assign (xml::bits::xml_namespace<C> ());
+ else
+ throw dynamic_type<C> (qn);
+ }
+
+ // Construct the compound type id.
+ //
+ string id (tn.data (), tn.size ());
+
+ if (!tns.empty ())
+ {
+ id += C (' ');
+ id.append (tns.data (), tns.size ());
+ }
+
+ ro_string<C> ro_id (id);
+ consumer_.start_element (ro_ns, ro_name, &ro_id);
+ }
+ catch (schema_exception<C>& e)
+ {
+ set_location (e);
+ throw;
+ }
+ }
+ }
+ }
+
+#if _XERCES_VERSION >= 30000
+ for (XMLSize_t i (0), end (attributes.getLength()); i < end; ++i)
+#else
+ for (unsigned int i (0), end (attributes.getLength()); i < end; ++i)
+#endif
+ {
+ string ns (xml::transcode<C> (attributes.getURI (i)));
+ string name (xml::transcode<C> (attributes.getLocalName (i)));
+ string value (xml::transcode<C> (attributes.getValue (i)));
+
+ // Without this explicit construction IBM XL C++ complains
+ // about ro_string's copy ctor being private even though the
+ // temporary has been eliminated. Note that we cannot
+ // eliminate ns, name and value since ro_string does not make
+ // a copy.
+ //
+ ro_string<C> ro_ns (ns);
+ ro_string<C> ro_name (name);
+ ro_string<C> ro_value (value);
+
+ try
+ {
+ consumer_.attribute (ro_ns, ro_name, ro_value);
+ }
+ catch (schema_exception<C>& e)
+ {
+ set_location (e);
+ throw;
+ }
+ }
+ }
+
+ template <typename C>
+ void event_router<C>::
+ endElement(const XMLCh* const uri,
+ const XMLCh* const lname,
+ const XMLCh* const /*qname*/)
+ {
+ typedef std::basic_string<C> string;
+
+ try
+ {
+ // Without this explicit construction IBM XL C++ complains
+ // about ro_string's copy ctor being private even though the
+ // temporary has been eliminated. Note that we cannot
+ // eliminate ns, name and value since ro_string does not make
+ // a copy.
+ //
+ if (last_valid_)
+ {
+ last_valid_ = false;
+ ro_string<C> ro_ns (last_ns_);
+ ro_string<C> ro_name (last_name_);
+
+ consumer_.end_element (ro_ns, ro_name);
+ }
+ else
+ {
+ string ns (xml::transcode<C> (uri));
+ string name (xml::transcode<C> (lname));
+
+ ro_string<C> ro_ns (ns);
+ ro_string<C> ro_name (name);
+
+ consumer_.end_element (ro_ns, ro_name);
+ }
+ }
+ catch (schema_exception<C>& e)
+ {
+ set_location (e);
+ throw;
+ }
+ }
+
+ template <typename C>
+ void event_router<C>::
+#if _XERCES_VERSION >= 30000
+ characters (const XMLCh* const s, const XMLSize_t n)
+#else
+ characters (const XMLCh* const s, const unsigned int n)
+#endif
+ {
+ typedef std::basic_string<C> string;
+
+ if (n != 0)
+ {
+ string str (xml::transcode<C> (s, n));
+
+ // Without this explicit construction IBM XL C++ complains
+ // about ro_string's copy ctor being private even though the
+ // temporary has been eliminated. Note that we cannot
+ // eliminate str since ro_string does not make a copy.
+ //
+ ro_string<C> ro_str (str);
+
+ try
+ {
+ consumer_.characters (ro_str);
+ }
+ catch (schema_exception<C>& e)
+ {
+ set_location (e);
+ throw;
+ }
+ }
+ }
+
+ template <typename C>
+ void event_router<C>::
+ startPrefixMapping (const XMLCh* const prefix,
+ const XMLCh* const uri)
+ {
+ if (polymorphic_)
+ {
+ typedef std::basic_string<C> string;
+
+ string p (xml::transcode<C> (prefix));
+ string ns (xml::transcode<C> (uri));
+
+ ns_decls_.push_back (ns_decl (p, ns));
+ }
+ }
+
+ template <typename C>
+ void event_router<C>::
+ endPrefixMapping (const XMLCh* const prefix)
+ {
+ if (polymorphic_)
+ {
+ typedef std::basic_string<C> string;
+
+ string p (xml::transcode<C> (prefix));
+
+ // Here we assume the prefixes are removed in the reverse
+ // order of them being added. This appears to how every
+ // sensible implementation works.
+ //
+ assert (ns_decls_.back ().prefix == p);
+
+ ns_decls_.pop_back ();
+ }
+ }
+
+ template <typename C>
+ void event_router<C>::
+ set_location (schema_exception<C>& e)
+ {
+ if (loc_ != 0)
+ {
+ const XMLCh* id (loc_->getPublicId ());
+
+ if (id == 0)
+ id = loc_->getSystemId ();
+
+ if (id != 0)
+ e.id (xml::transcode<C> (id));
+
+#if _XERCES_VERSION >= 30000
+ e.line (static_cast<unsigned long> (loc_->getLineNumber ()));
+ e.column (static_cast<unsigned long> (loc_->getColumnNumber ()));
+#else
+ XMLSSize_t l (loc_->getLineNumber ());
+ XMLSSize_t c (loc_->getColumnNumber ());
+
+ e.line (l == -1 ? 0 : static_cast<unsigned long> (l));
+ e.column (c == -1 ? 0: static_cast<unsigned long> (c));
+#endif
+ }
+ }
+ }
+ }
+ }
+}