4 files changed, 371 insertions, 0 deletions
diff --git a/examples/cxx/tree/dbxml/README b/examples/cxx/tree/dbxml/README
new file mode 100644
index 0000000..59e67d0
--- /dev/null
+++ b/examples/cxx/tree/dbxml/README
@@ -0,0 +1,45 @@
+This example shows how to use the C++/Tree mapping on top of the Berkeley
+DB XML embedded XML database. This example is described in detail in the
+"C++/Tree Mapping and Berkeley DB XML Integration Guide" which can be
+found in the documentation/cxx/tree/dbxml directory of the XSD
+distribution.
+
+You will need the Berkeley DB XML libraries[1] installed in order to build
+and run this example. The makefiles and project files for this example link
+to the DB XML library names corresponding to version 2.3.X. Earlier and later
+versions can also be used but may require adjustments to the library names
+being linked to.
+
+Note that due to the incomplete DOM API implementation provided by DB
+XML (as of version 2.3.10), the generated code and your application
+should be compiled with the DBXML_DOM macro defined in order to avoid
+using unsupported parts of the API.
+
+The example consists of the following files:
+
+library.xsd
+  XML Schema which describes a library of books.
+
+library.hxx
+library.cxx
+  C++ types that represent the given vocabulary, a set of parsing
+  functions that convert XML instance documents to a tree-like in-memory
+  object model, and a set of serialization functions that convert the
+  object model back to XML. These are generated by XSD from library.xsd.
+
+driver.cxx
+  Driver for the example. It performs the following four operations on
+  the database:
+
+    * Create a new document in DB from an object model
+    * Create an object model from a document in DB
+    * Create an object model from a document fragment in DB
+    * Update a document fragment in DB from an object model
+
+
+To run the example simply execute:
+
+$ ./driver
+
+
+[1] http://www.sleepycat.com/products/bdbxml.html
diff --git a/examples/cxx/tree/dbxml/driver.cxx b/examples/cxx/tree/dbxml/driver.cxx
new file mode 100644
index 0000000..56cbb4a
--- /dev/null
+++ b/examples/cxx/tree/dbxml/driver.cxx
@@ -0,0 +1,175 @@
+// file      : examples/cxx/tree/dbxml/driver.cxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : not copyrighted - public domain
+
+#include <memory>   // std::auto_ptr
+#include <string>
+#include <cassert>
+#include <iostream>
+
+#include <dbxml/DbXml.hpp>
+
+#include "library.hxx"
+
+using std::cerr;
+using std::endl;
+using std::string;
+using std::auto_ptr;
+
+using namespace DbXml;
+using namespace xsd::cxx; // for xml::string
+
+void
+print_document (const string& desc,
+                XmlContainer container,
+                const string& name)
+{
+  XmlDocument doc (container.getDocument (name));
+
+  string content;
+  doc.getContent (content);
+
+  cerr << endl
+       << desc << endl
+       << content << endl;
+}
+
+int
+main ()
+{
+  try
+  {
+    using namespace library;
+    using xml_schema::date;
+
+    XmlManager manager;
+
+    {
+      XmlContainer container (manager.createContainer ("new.bdbxml"));
+
+      XmlUpdateContext update_context (manager.createUpdateContext ());
+
+      XmlQueryContext context (manager.createQueryContext ());
+      context.setNamespace ("lib", "http://www.codesynthesis.com/library");
+
+
+      // Create a new document from an object model.
+      //
+      {
+        // Create a new catalog with one book.
+        //
+        catalog c;
+
+        book b (20530902,                // ISBN
+                "The Elements of Style", // Title
+                genre::reference,        // Genre
+                "ES");                   // ID
+
+        author strunk ("William Strunk, Jr.", date (1869, 7, 1));
+        strunk.died (date (1946, 9, 26));
+
+        b.author ().push_back (strunk);
+        c.book ().push_back (b);
+
+
+        // Create a new XML document.
+        //
+        XmlDocument doc (manager.createDocument ());
+        doc.setName ("new.xml");
+
+
+        // Obtain its DOM representation and add the root element.
+        //
+        xercesc::DOMDocument& dom_doc (*doc.getContentAsDOM ());
+
+        dom_doc.appendChild (
+          dom_doc.createElementNS (
+            xml::string ("http://www.codesynthesis.com/library").c_str (),
+            xml::string ("lib:catalog").c_str ()));
+
+
+        // Serialize the object model to the XML document. Also avoid
+	// re-initializing the Xerces-C++ runtime since XmlManager has
+	// it initialized.
+        //
+        catalog_ (dom_doc, c, xml_schema::flags::dont_initialize);
+
+
+        // Place the document into the container.
+        //
+        container.putDocument (doc, update_context);
+
+        print_document ("after create:", container, "new.xml");
+      }
+
+      // Create an object model from a document in DB.
+      //
+      {
+        // Resolve the document in the container.
+        //
+        XmlDocument doc (container.getDocument ("new.xml"));
+
+
+        // Create the object model from the document's DOM. Also avoid
+	// re-initializing the Xerces-C++ runtime since XmlManager has
+	// it initialized.
+        //
+        auto_ptr<catalog> c (catalog_ (*doc.getContentAsDOM (),
+                                       xml_schema::flags::dont_initialize));
+
+        cerr << *c << endl;
+      }
+
+
+      // Lookup a document fragment.
+      //
+
+      string query ("collection('new.bdbxml')/lib:catalog/book[@id='ES']");
+
+      // Find "The Elements of Style".
+      //
+      XmlValue v;
+      XmlResults results (manager.query (query, context));
+
+      if (results.next (v))
+      {
+        // Create an object model from the document fragment.
+        //
+        auto_ptr<book> b (
+          new book (
+            *static_cast<xercesc::DOMElement*> (v.asNode ())));
+
+        cerr << *b << endl;
+
+
+        // Add another author, change the availability status.
+        //
+        author white ("E.B. White", date (1899, 7, 11));
+        white.died (date (1985, 10, 1));
+
+        b->author ().push_back (white);
+        b->available (false);
+
+
+        // Update the document fragment from the object model.
+        //
+        *static_cast<xercesc::DOMElement*> (v.asNode ()) << *b;
+
+
+        // Update the document in the container.
+        //
+        XmlDocument doc (v.asDocument ());
+        container.updateDocument (doc, update_context);
+      }
+
+      print_document ("after update:", container, "new.xml");
+    }
+
+    manager.removeContainer ("new.bdbxml");
+  }
+  catch (const std::exception& e)
+  {
+    cerr << e.what () << endl;
+    return 1;
+  }
+}
diff --git a/examples/cxx/tree/dbxml/library.xsd b/examples/cxx/tree/dbxml/library.xsd
new file mode 100644
index 0000000..c71c312
--- /dev/null
+++ b/examples/cxx/tree/dbxml/library.xsd
@@ -0,0 +1,75 @@
+<?xml version="1.0"?>
+
+<!--
+
+file      : examples/cxx/tree/dbxml/library.xsd
+author    : Boris Kolpackov <boris@codesynthesis.com>
+copyright : not copyrighted - public domain
+
+-->
+
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xse="http://www.codesynthesis.com/xmlns/xml-schema-extension"
+            xmlns:lib="http://www.codesynthesis.com/library"
+            targetNamespace="http://www.codesynthesis.com/library">
+
+  <xsd:simpleType name="isbn">
+    <xsd:restriction base="xsd:unsignedInt"/>
+  </xsd:simpleType>
+
+
+  <xsd:complexType name="title">
+    <xsd:simpleContent>
+      <xsd:extension base="xsd:string">
+        <xsd:attribute name="lang" type="xsd:language"/>
+      </xsd:extension>
+    </xsd:simpleContent>
+  </xsd:complexType>
+
+  <xsd:simpleType name="genre">
+    <xsd:restriction base="xsd:string">
+      <xsd:enumeration value="romance"/>
+      <xsd:enumeration value="fiction"/>
+      <xsd:enumeration value="horror"/>
+      <xsd:enumeration value="history"/>
+      <xsd:enumeration value="philosophy"/>
+      <xsd:enumeration value="reference"/>
+    </xsd:restriction>
+  </xsd:simpleType>
+
+  <xsd:complexType name="person">
+    <xsd:sequence>
+      <xsd:element name="name" type="xsd:string"/>
+      <xsd:element name="born" type="xsd:date"/>
+      <xsd:element name="died" type="xsd:date" minOccurs="0"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:complexType name="author">
+    <xsd:complexContent>
+      <xsd:extension base="lib:person">
+        <xsd:attribute name="recommends" type="xsd:IDREF" xse:refType="lib:book"/>
+      </xsd:extension>
+    </xsd:complexContent>
+  </xsd:complexType>
+
+  <xsd:complexType name="book">
+    <xsd:sequence>
+      <xsd:element name="isbn" type="lib:isbn"/>
+      <xsd:element name="title" type="lib:title"/>
+      <xsd:element name="genre" type="lib:genre"/>
+      <xsd:element name="author" type="lib:author" maxOccurs="unbounded"/>
+    </xsd:sequence>
+    <xsd:attribute name="available" type="xsd:boolean" default="true"/>
+    <xsd:attribute name="id" type="xsd:ID" use="required"/>
+  </xsd:complexType>
+
+  <xsd:complexType name="catalog">
+    <xsd:sequence>
+      <xsd:element name="book" type="lib:book" maxOccurs="unbounded"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:element name="catalog" type="lib:catalog"/>
+
+</xsd:schema>
diff --git a/examples/cxx/tree/dbxml/makefile b/examples/cxx/tree/dbxml/makefile
new file mode 100644
index 0000000..2a5ba4e
--- /dev/null
+++ b/examples/cxx/tree/dbxml/makefile
@@ -0,0 +1,76 @@
+# file      : examples/cxx/tree/dbxml/makefile
+# 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 $(dir $(lastword $(MAKEFILE_LIST)))../../../../build/bootstrap.make
+
+xsd := library.xsd
+cxx := driver.cxx
+
+obj := $(addprefix $(out_base)/,$(cxx:.cxx=.o) $(xsd:.xsd=.o))
+dep := $(obj:.o=.o.d)
+
+driver := $(out_base)/driver
+clean  := $(out_base)/.clean
+
+
+# Import.
+#
+$(call import,\
+  $(scf_root)/import/libxerces-c/stub.make,\
+  l: xerces_c.l,cpp-options: xerces_c.l.cpp-options)
+
+$(call import,\
+  $(scf_root)/import/libdbxml/stub.make,\
+  l: dbxml.l,cpp-options: dbxml.l.cpp-options)
+
+
+# Build.
+#
+$(driver): $(obj) $(xerces_c.l) $(dbxml.l)
+
+$(obj) $(dep): cpp_options := -I$(src_root)/libxsd -DDBXML_DOM
+$(obj) $(dep): $(xerces_c.l.cpp-options) $(dbxml.l.cpp-options)
+
+$(out_base)/$(xsd:.xsd=.hxx) \
+$(out_base)/$(xsd:.xsd=.ixx) \
+$(out_base)/$(xsd:.xsd=.cxx): xsd := $(out_root)/xsd/xsd
+
+$(out_base)/$(xsd:.xsd=.hxx) \
+$(out_base)/$(xsd:.xsd=.ixx) \
+$(out_base)/$(xsd:.xsd=.cxx): xsd_options := --generate-serialization \
+                                             --generate-ostream
+
+$(out_base)/$(xsd:.xsd=.hxx) \
+$(out_base)/$(xsd:.xsd=.ixx) \
+$(out_base)/$(xsd:.xsd=.cxx): $(out_root)/xsd/xsd
+
+$(call include-dep,$(dep))
+
+# Convenience alias for default target.
+#
+.PHONY: $(out_base)/
+$(out_base)/: $(driver)
+
+
+# Clean.
+#
+.PHONY: $(clean)
+
+$(clean): $(driver).o.clean                            \
+  $(addsuffix .cxx.clean,$(obj))                       \
+  $(addsuffix .cxx.clean,$(dep))                       \
+  $(addprefix $(out_base)/,$(xsd:.xsd=.cxx.xsd.clean))
+
+
+# How to.
+#
+$(call include,$(bld_root)/cxx/o-e.make)
+$(call include,$(bld_root)/cxx/cxx-o.make)
+$(call include,$(bld_root)/cxx/cxx-d.make)
+$(call include,$(scf_root)/xsd/tree/xsd-cxx.make)
+
+# Dependencies.
+#
+$(call import,$(src_root)/xsd/makefile)