Add 'hybrid' example

7 files changed, 341 insertions, 1 deletions

diff --git a/examples/hybrid/README b/examples/hybrid/README
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/examples/hybrid/README
diff --git a/examples/hybrid/dom.cxx b/examples/hybrid/dom.cxx
new file mode 100644
index 0000000..cd1e0e0
--- /dev/null
+++ b/examples/hybrid/dom.cxx
@@ -0,0 +1,115 @@
+// file      : examples/hybrid/dom.cxx
+// copyright : not copyrighted - public domain
+
+#include <xml/parser.hxx>
+#include <xml/serializer.hxx>
+
+#include "dom.hxx"
+
+using namespace std;
+using namespace xml;
+
+static bool
+whitespace (const string& s)
+{
+  for (string::size_type i (0); i < s.size (); ++i)
+  {
+    char c (s[i]);
+    if (c != 0x20 && c != 0x0A && c != 0x0D && c != 0x09)
+      return false;
+  }
+
+  return true;
+}
+
+element::
+element (parser& p, bool se)
+{
+  if (se)
+    p.next_expect (parser::start_element);
+
+  name_ = p.qname ();
+
+  // Extract attributes.
+  //
+  const parser::attribute_map_type& m (p.attribute_map ());
+  for (parser::attribute_map_type::const_iterator i (m.begin ());
+       i != m.end ();
+       ++i)
+    attributes_[i->first] = i->second.value;
+
+  // Parse content (nested elements or text).
+  //
+  while (p.peek () != parser::end_element)
+  {
+    switch (p.next ())
+    {
+    case parser::start_element:
+      {
+        if (!text_.empty ())
+        {
+          if (!whitespace (text_))
+            throw parsing (p, "element in simple content");
+
+          text_.clear ();
+        }
+
+        elements_.push_back (element (p, false));
+        p.next_expect (parser::end_element);
+
+        break;
+      }
+    case parser::characters:
+      {
+        if (!elements_.empty ())
+        {
+          if (!whitespace (p.value ()))
+            throw parsing (p, "characters in complex content");
+
+          break; // Ignore whitespaces.
+        }
+
+        text_ += p.value ();
+        break;
+      }
+    default:
+      break; // Ignore any other events.
+    }
+  }
+
+  if (se)
+    p.next_expect (parser::end_element);
+}
+
+void element::
+serialize (serializer& s, bool se) const
+{
+  if (se)
+    s.start_element (name_);
+
+  // Add attributes.
+  //
+  for (attributes_type::const_iterator i (attributes_.begin ());
+       i != attributes_.end ();
+       ++i)
+  {
+    s.attribute (i->first, i->second);
+  }
+
+  // Serialize content (nested elements or text).
+  //
+  if (!elements_.empty ())
+  {
+    for (elements_type::const_iterator i (elements_.begin ());
+         i != elements_.end ();
+         ++i)
+    {
+      i->serialize (s);
+    }
+  }
+  else if (!text_.empty ())
+    s.characters (text_);
+
+  if (se)
+    s.end_element ();
+}
diff --git a/examples/hybrid/dom.hxx b/examples/hybrid/dom.hxx
new file mode 100644
index 0000000..3e1f8e3
--- /dev/null
+++ b/examples/hybrid/dom.hxx
@@ -0,0 +1,72 @@
+// file      : examples/hybrid/dom.hxx
+// copyright : not copyrighted - public domain
+
+#ifndef DOM_HXX
+#define DOM_HXX
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include <xml/qname.hxx>
+#include <xml/forward.hxx>
+
+// A simple, DOM-like in-memory representation of raw XML. It only supports
+// empty, simple, and complex content (no mixed content) and is not
+// particularly efficient, at least not in C++98.
+
+class element;
+typedef std::map<xml::qname, std::string> attributes;
+typedef std::vector<element> elements;
+
+class element
+{
+public:
+  typedef ::attributes attributes_type;
+  typedef ::elements elements_type;
+
+  element (const xml::qname& name): name_ (name) {}
+  element (const xml::qname& name, const std::string text)
+      : name_ (name), text_ (text) {}
+
+  const xml::qname&
+  name () const {return name_;}
+
+  const attributes_type&
+  attributes () const {return attributes_;}
+
+  attributes_type&
+  attributes () {return attributes_;}
+
+  const std::string&
+  text () const {return text_;}
+
+  void
+  text (const std::string& text) {text_ = text;}
+
+  const elements_type&
+  elements () const {return elements_;}
+
+  elements_type&
+  elements () {return elements_;}
+
+public:
+  // Parse an element. If start_end is false, then don't parse the
+  // start and end of the element.
+  //
+  element (xml::parser&, bool start_end = true);
+
+  // Serialize an element. If start_end is false, then don't serialize
+  // the start and end of the element.
+  //
+  void
+  serialize (xml::serializer&, bool start_end = true) const;
+
+private:
+  xml::qname name_;
+  attributes_type attributes_;
+  std::string text_;           // Simple content only.
+  elements_type elements_;     // Complex content only.
+};
+
+#endif // DOM_HXX
diff --git a/examples/hybrid/driver.cxx b/examples/hybrid/driver.cxx
new file mode 100644
index 0000000..ca7421a
--- /dev/null
+++ b/examples/hybrid/driver.cxx
@@ -0,0 +1,51 @@
+// file      : examples/hybrid/driver.cxx
+// copyright : not copyrighted - public domain
+
+#include <fstream>
+#include <iostream>
+
+#include <xml/parser.hxx>
+#include <xml/serializer.hxx>
+
+#include "dom.hxx"
+
+using namespace std;
+using namespace xml;
+
+int
+main (int argc, char* argv[])
+{
+  if (argc != 2)
+  {
+    cerr << "usage: " << argv[0] << " <xml-file>" << endl;
+    return 1;
+  }
+
+  try
+  {
+    // Parse the input document and construct an in-memory, DOM-like
+    // raw XML representation for each object element. Also serialize
+    // the data back to XML as we parse.
+    //
+    ifstream ifs (argv[1]);
+    parser p (ifs, argv[1]);
+    serializer s (cout, "output");
+
+    p.next_expect (parser::start_element, "objects", content::complex);
+    s.start_element ("objects");
+
+    while (p.peek () == parser::start_element)
+    {
+      element e (p);
+      e.serialize (s);
+    }
+
+    p.next_expect (parser::end_element); // objects
+    s.end_element ();
+  }
+  catch (const xml::exception& e)
+  {
+    cerr << e.what () << endl;
+    return 1;
+  }
+}
diff --git a/examples/hybrid/makefile b/examples/hybrid/makefile
new file mode 100644
index 0000000..8e4a4f8
--- /dev/null
+++ b/examples/hybrid/makefile
@@ -0,0 +1,90 @@
+# file      : examples/hybrid/makefile
+# copyright : Copyright (c) 2013-2014 Code Synthesis Tools CC
+# license   : MIT; see accompanying LICENSE file
+
+include $(dir $(lastword $(MAKEFILE_LIST)))../../build/bootstrap.make
+
+cxx_tun := driver.cxx dom.cxx
+
+cxx_obj  := $(addprefix $(out_base)/,$(cxx_tun:.cxx=.o))
+cxx_od   := $(cxx_obj:.o=.o.d)
+
+studxml.l             := $(out_root)/xml/studxml.l
+studxml.l.cpp-options := $(out_root)/xml/studxml.l.cpp-options
+
+driver   := $(out_base)/driver
+test     := $(out_base)/.test
+dist     := $(out_base)/.dist
+clean    := $(out_base)/.clean
+
+# Build.
+#
+$(driver): $(cxx_obj) $(studxml.l)
+$(cxx_obj) $(cxx_od): $(studxml.l.cpp-options)
+
+$(call include-dep,$(cxx_od))
+
+# Alias for default target.
+#
+$(out_base)/: $(driver)
+
+# Dist
+#
+$(dist): name := $(subst $(src_root)/examples/,,$(src_base))
+$(dist): sources := $(cxx_tun)
+$(dist): extras := README dom.xml
+$(dist): export extra_sources := $(filter-out driver.cxx,$(cxx_tun))
+$(dist): export extra_headers := dom.hxx
+$(dist): export extra_dist := $(extras) $(name)-vc9.vcproj \
+$(name)-vc10.vcxproj $(name)-vc10.vcxproj.filters \
+$(name)-vc11.vcxproj $(name)-vc11.vcxproj.filters \
+$(name)-vc12.vcxproj $(name)-vc12.vcxproj.filters 
+$(dist):
+	$(call dist-data,$(sources) $(extra_headers) $(extras))
+	$(call meta-automake,../template/Makefile.am)
+	$(call meta-vc9proj,../template/template-vc9.vcproj,$(name)-vc9.vcproj)
+	$(call meta-vc10proj,../template/template-vc10.vcxproj,$(name)-vc10.vcxproj)
+	$(call meta-vc11proj,../template/template-vc11.vcxproj,$(name)-vc11.vcxproj)
+	$(call meta-vc12proj,../template/template-vc12.vcxproj,$(name)-vc12.vcxproj)
+
+# Test.
+#
+$(test): $(driver)
+	$(call message,test $<,$< $(src_base)/position.xml)
+
+# Clean.
+#
+$(clean):                            \
+  $(driver).o.clean                  \
+  $(addsuffix .cxx.clean,$(cxx_obj)) \
+  $(addsuffix .cxx.clean,$(cxx_od))
+
+
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
+# How to.
+#
+$(call include,$(bld_root)/dist.make)
+$(call include,$(bld_root)/meta/vc9proj.make)
+$(call include,$(bld_root)/meta/vc10proj.make)
+$(call include,$(bld_root)/meta/vc11proj.make)
+$(call include,$(bld_root)/meta/vc12proj.make)
+$(call include,$(bld_root)/meta/automake.make)
+
+$(call include,$(bld_root)/cxx/o-e.make)
+$(call include,$(bld_root)/cxx/cxx-o.make)
+$(call include,$(bld_root)/cxx/cxx-d.make)
+
+# Dependencies.
+#
+$(call import,$(src_root)/xml/makefile)
diff --git a/examples/hybrid/position.xml b/examples/hybrid/position.xml
new file mode 100644
index 0000000..f89db8c
--- /dev/null
+++ b/examples/hybrid/position.xml
@@ -0,0 +1,12 @@
+<objects>
+  <object name="Lion's Head" id="123">
+    <position lat="-33.8569" lon="18.5083"/>
+    <position lat="-33.8568" lon="18.5083"/>
+    <position lat="-33.8568" lon="18.5082"/>
+  </object>
+  <elevated-object name="Table Mountain" id="234">
+    <position lat="-33.9573" lon="18.4031"/>
+    <position lat="-33.9574" lon="18.4031"/>
+    <position lat="-33.9574" lon="18.5082"/>
+  </elevated-object>
+</objects>
diff --git a/examples/makefile b/examples/makefile
index 2ef249a..6e5eaac 100644
--- a/examples/makefile
+++ b/examples/makefile
@@ -4,7 +4,7 @@
 
 include $(dir $(lastword $(MAKEFILE_LIST)))../build/bootstrap.make
 
-examples := roundtrip processing persistence inheritance performance
+examples := roundtrip processing persistence inheritance hybrid performance
 
 default   := $(out_base)/
 test      := $(out_base)/.test