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+// file : xsd/cxx/parser/non-validating/parser.hxx
+// author : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2005-2009 Code Synthesis Tools CC
+// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#ifndef XSD_CXX_PARSER_NON_VALIDATING_PARSER_HXX
+#define XSD_CXX_PARSER_NON_VALIDATING_PARSER_HXX
+
+#include <stack>
+#include <string>
+#include <cstddef> // std::size_t
+
+#include <xsd/cxx/ro-string.hxx>
+#include <xsd/cxx/parser/elements.hxx>
+
+namespace xsd
+{
+ namespace cxx
+ {
+ namespace parser
+ {
+ namespace non_validating
+ {
+ //
+ //
+ template <typename C>
+ struct empty_content: parser_base<C>
+ {
+ // The _*_any_* functions are called when wildcard content
+ // is encountered. Use them to handle mixed content models,
+ // any/anyAttribute, and anyType/anySimpleType. By default
+ // these functions do nothing.
+ //
+
+ // The type argument is a type name and namespace from the
+ // xsi:type attribute in the form "<name> <namespace>" with
+ // the space and namespace part absent if the type does not
+ // have a namespace or 0 if xsi:type is not present.
+ //
+ virtual void
+ _start_any_element (const ro_string<C>& ns,
+ const ro_string<C>& name,
+ const ro_string<C>* type);
+
+ virtual void
+ _end_any_element (const ro_string<C>& ns,
+ const ro_string<C>& name);
+
+ virtual void
+ _any_attribute (const ro_string<C>& ns,
+ const ro_string<C>& name,
+ const ro_string<C>& value);
+
+ virtual void
+ _any_characters (const ro_string<C>&);
+
+
+ //
+ //
+ virtual bool
+ _start_element_impl (const ro_string<C>&,
+ const ro_string<C>&,
+ const ro_string<C>*);
+
+ virtual bool
+ _end_element_impl (const ro_string<C>&,
+ const ro_string<C>&);
+
+ virtual bool
+ _attribute_impl (const ro_string<C>&,
+ const ro_string<C>&,
+ const ro_string<C>&);
+
+ virtual bool
+ _characters_impl (const ro_string<C>&);
+
+
+ //
+ //
+ virtual void
+ _start_element (const ro_string<C>& ns,
+ const ro_string<C>& name,
+ const ro_string<C>* type);
+
+ virtual void
+ _end_element (const ro_string<C>& ns,
+ const ro_string<C>& name);
+
+ virtual void
+ _attribute (const ro_string<C>& ns,
+ const ro_string<C>& name,
+ const ro_string<C>& value);
+
+ virtual void
+ _characters (const ro_string<C>& s);
+ };
+
+
+ //
+ //
+ template <typename C>
+ struct simple_content: empty_content<C>
+ {
+ //
+ //
+ virtual void
+ _attribute (const ro_string<C>& ns,
+ const ro_string<C>& name,
+ const ro_string<C>& value);
+
+ virtual void
+ _characters (const ro_string<C>&);
+ };
+
+
+ //
+ //
+ template <typename C>
+ struct complex_content: empty_content<C>
+ {
+ //
+ //
+ virtual void
+ _start_element (const ro_string<C>& ns,
+ const ro_string<C>& name,
+ const ro_string<C>* type);
+
+ virtual void
+ _end_element (const ro_string<C>& ns,
+ const ro_string<C>& name);
+
+ virtual void
+ _attribute (const ro_string<C>& ns,
+ const ro_string<C>& name,
+ const ro_string<C>& value);
+
+ virtual void
+ _characters (const ro_string<C>&);
+
+
+ //
+ //
+ virtual void
+ _pre_impl ();
+
+ virtual void
+ _post_impl ();
+
+ protected:
+ struct state
+ {
+ state ()
+ : any_ (false), depth_ (0), parser_ (0)
+ {
+ }
+
+ bool any_;
+ std::size_t depth_;
+ parser_base<C>* parser_;
+ };
+
+ // Optimized state stack for non-recursive case (one element).
+ //
+ struct state_stack
+ {
+ state_stack ()
+ : size_ (0)
+ {
+ }
+
+ void
+ push (const state& s)
+ {
+ if (size_ > 0)
+ rest_.push (top_);
+
+ top_ = s;
+ ++size_;
+ }
+
+ void
+ pop ()
+ {
+ if (size_ > 1)
+ {
+ top_ = rest_.top ();
+ rest_.pop ();
+ }
+
+ --size_;
+ }
+
+ const state&
+ top () const
+ {
+ return top_;
+ }
+
+ state&
+ top ()
+ {
+ return top_;
+ }
+
+ state&
+ under_top ()
+ {
+ return rest_.top ();
+ }
+
+ private:
+ state top_;
+ std::stack<state> rest_;
+ std::size_t size_;
+ };
+
+ state_stack context_;
+ };
+
+
+ // Base for xsd:list.
+ //
+ template <typename C>
+ struct list_base: simple_content<C>
+ {
+ virtual void
+ _xsd_parse_item (const ro_string<C>&) = 0;
+
+ virtual void
+ _pre_impl ();
+
+ virtual void
+ _characters (const ro_string<C>&);
+
+ virtual void
+ _post_impl ();
+
+ protected:
+ std::basic_string<C> buf_;
+ };
+ }
+ }
+ }
+}
+
+#include <xsd/cxx/parser/non-validating/parser.txx>
+
+#endif // XSD_CXX_PARSER_NON_VALIDATING_PARSER_HXX