From 5e527213a2430bb3018e5eebd909aef294edf9b5 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Fri, 18 Dec 2020 18:48:46 +0300
Subject: Switch to build2

---
 xsd-examples/cxx/tree/library/driver.cxx | 130 +++++++++++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 xsd-examples/cxx/tree/library/driver.cxx

(limited to 'xsd-examples/cxx/tree/library/driver.cxx')

diff --git a/xsd-examples/cxx/tree/library/driver.cxx b/xsd-examples/cxx/tree/library/driver.cxx
new file mode 100644
index 0000000..9086891
--- /dev/null
+++ b/xsd-examples/cxx/tree/library/driver.cxx
@@ -0,0 +1,130 @@
+// file      : cxx/tree/library/driver.cxx
+// copyright : not copyrighted - public domain
+
+#include <memory>   // std::unique_ptr
+#include <iostream>
+
+#include "library.hxx"
+
+using std::cerr;
+using std::endl;
+
+int
+main (int argc, char* argv[])
+{
+  if (argc != 2)
+  {
+    cerr << "usage: " << argv[0] << " library.xml" << endl;
+    return 1;
+  }
+
+  try
+  {
+    using namespace library;
+
+    // Read in the XML file and obtain its object model.
+    //
+    std::unique_ptr<catalog> c (catalog_ (argv[1]));
+
+
+    // Let's print what we've got.
+    //
+    for (catalog::book_const_iterator bi (c->book ().begin ());
+         bi != c->book ().end ();
+         ++bi)
+    {
+      cerr << endl
+           << "ID           : " << bi->id () << endl
+           << "ISBN         : " << bi->isbn () << endl
+           << "Title        : " << bi->title () << endl
+           << "Genre        : " << bi->genre () << endl;
+
+      for (book::author_const_iterator ai (bi->author ().begin ());
+           ai != bi->author ().end ();
+           ++ai)
+      {
+        cerr << "Author       : " << ai->name () << endl;
+        cerr << "  Born       : " << ai->born () << endl;
+
+        if (ai->died ())
+          cerr << "  Died       : " << *ai->died () << endl;
+
+        if (ai->recommends ())
+          cerr << "  Recommends : " << (*ai->recommends ())->title () << endl;
+      }
+
+      cerr  << "Available    : " << std::boolalpha << bi->available () << endl;
+    }
+
+
+    // Now we are going to modify the object model and serialize it
+    // back to XML.
+    //
+
+    catalog::book_sequence& books (c->book ());
+
+
+    // Get rid of all unavailable books.
+    //
+    for (catalog::book_iterator bi (books.begin ()); bi != books.end ();)
+    {
+      if (!bi->available ())
+        bi = books.erase (bi);
+      else
+        ++bi;
+    }
+
+
+    // Insert a new book.
+    //
+    book b (679776443,         // ISBN
+            "Dead Souls",      // Title
+            genre::philosophy, // Genre
+            "DS");             // ID
+
+    b.author ().push_back (author ("Nikolai Gogol",
+                                   xml_schema::date (1809, 3, 31)));
+
+    books.insert (books.begin (), b);
+
+
+    // Because we removed all unavailable books, some IDREFs might be
+    // broken. Let's fix this.
+    //
+    for (catalog::book_iterator bi (books.begin ()); bi != books.end (); ++bi)
+    {
+      for (book::author_iterator ai (bi->author ().begin ());
+           ai != bi->author ().end ();
+           ++ai)
+      {
+        author::recommends_optional& c (ai->recommends ());
+
+        if (c.present ())
+        {
+          author::recommends_type& ref (c.get ());
+
+          if (!ref)
+            c.reset ();
+        }
+      }
+    }
+
+
+    // Prepare namespace mapping and schema location information.
+    //
+    xml_schema::namespace_infomap map;
+
+    map["lib"].name = "http://www.codesynthesis.com/library";
+    map["lib"].schema = "library.xsd";
+
+
+    // Write it out.
+    //
+    catalog_ (std::cout, *c, map);
+  }
+  catch (const xml_schema::exception& e)
+  {
+    cerr << e << endl;
+    return 1;
+  }
+}
-- 
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