[seed] Initial commit of libxml module

[Robert Carr <racarr src gnome org>]

commit 21d38589febfa4d6007cf7ddf9978d0ee43df05a
Author: Robert Carr <racarr svn gnome org>
Date:   Mon May 11 23:08:26 2009 -0400

    Initial commit of libxml module
---
 configure.ac                   |   18 ++++++++++++++++++
 libseed/seed-builtins.c        |    6 +++---
 modules/Makefile.am            |    2 +-
 modules/libxml/Makefile.am     |   25 +++++++++++++++++++++++++
 modules/libxml/libxml.c        |    8 ++++++++
 tests/javascript/printprint.js |    2 +-
 6 files changed, 56 insertions(+), 5 deletions(-)

diff --git a/configure.ac b/configure.ac
index 39275d3..f83d33f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -181,6 +181,21 @@ AC_ARG_ENABLE(os-module,
 AM_CONDITIONAL(BUILD_OS_MODULE, test "x$want_os_module" = "xyes")
 AC_SUBST(BUILD_OS_MODULE)
 
+dnl ==== libxml ====
+AC_ARG_ENABLE(libxml-module,
+			  AC_HELP_STRING([--enable-libxml-module],
+							 [enable the libxml Seed module. [default=yes]]),
+			  [want_libxml_module=$enableval],[want_libxml_module="yes"])
+
+if test x"$want_libxml_module" == x"yes" ; then
+   PKG_CHECK_MODULES(LIBXML, libxml-2.0)
+   AC_SUBST(LIBXML_CFLAGS)
+   AC_SUBST(LIBXML_LDFLAGS)
+fi
+
+AM_CONDITIONAL(BUILD_LIBXML_MODULE, test "x$want_libxml_module" = "xyes")
+AC_SUBST(BUILD_LIBXML_MODULE)
+
 
 dnl =========================turtle example====================================
 AC_ARG_ENABLE(turtle-example,
@@ -322,6 +337,7 @@ modules/Multiprocessing/Makefile
 modules/sandbox/Makefile
 modules/os/Makefile
 modules/dbus/Makefile
+modules/libxml/Makefile
 ])
 AC_OUTPUT
 
@@ -342,6 +358,8 @@ Modules:
    multiprocessing............$want_multiprocessing_module
    readline...................$want_readline_module
    SQLite.....................$want_sqlite_module
+   DBus.......................$want_dbus_module
+   libxml.....................$want_libxml_module
 
 Examples:
    Turtle.....................$want_turtle_example
diff --git a/libseed/seed-builtins.c b/libseed/seed-builtins.c
index 9dc5a17..b24cb68 100644
--- a/libseed/seed-builtins.c
+++ b/libseed/seed-builtins.c
@@ -105,7 +105,7 @@ seed_include (JSContextRef ctx,
   g_free (import_file);
   g_free (walk);
 
-  return JSValueMakeNull (ctx);
+  return JSValueMakeUndefined (ctx);
 }
 
 static JSValueRef
@@ -222,7 +222,7 @@ seed_print (JSContextRef ctx,
   puts (buf);
   g_free (buf);
 
-  return JSValueMakeNull (ctx);
+  return JSValueMakeUndefined (ctx);
 }
 
 const gchar *
@@ -418,7 +418,7 @@ seed_breakpoint (JSContextRef ctx,
 		 const JSValueRef arguments[], JSValueRef * exception)
 {
   G_BREAKPOINT();
-  return JSValueMakeNull(ctx);
+  return JSValueMakeUndefined (ctx);
 }
 
 
diff --git a/modules/Makefile.am b/modules/Makefile.am
index 66623be..d3af447 100644
--- a/modules/Makefile.am
+++ b/modules/Makefile.am
@@ -1 +1 @@
-SUBDIRS = example sqlite canvas Multiprocessing readline os sandbox dbus
+SUBDIRS = example sqlite canvas Multiprocessing readline os sandbox dbus libxml
diff --git a/modules/libxml/Makefile.am b/modules/libxml/Makefile.am
new file mode 100644
index 0000000..ba7902b
--- /dev/null
+++ b/modules/libxml/Makefile.am
@@ -0,0 +1,25 @@
+if BUILD_LIBXML_MODULE
+
+seedlibdir = ${exec_prefix}/lib/seed
+
+seedlib_LTLIBRARIES = \
+	liblibxml.la
+
+liblibxml_la_SOURCES = \
+	libxml.c
+
+
+AM_CPPFLAGS = \
+	-I top_srcdir@/libseed/ \
+	$(GOBJECT_INTROSPECTION_CFLAGS)
+	$(SEED_DEBUG_CFLAGS) \
+	$(SEED_PROFILE_CFLAGS)
+
+liblibxml_la_LDFLAGS = \
+	$(GOBJECT_INTROSPECTION_LDFLAGS) \
+	$(SEED_PROFILE_LIBS)
+
+endif
+
+
+
diff --git a/modules/libxml/libxml.c b/modules/libxml/libxml.c
new file mode 100644
index 0000000..97c2d36
--- /dev/null
+++ b/modules/libxml/libxml.c
@@ -0,0 +1,8 @@
+#include <seed.h>
+
+SeedObject
+seed_module_init(SeedEngine * eng)
+{
+  g_printf("Hello Seed Module World \n");
+  return seed_make_object (eng->context, NULL, NULL);
+}
diff --git a/tests/javascript/printprint.js b/tests/javascript/printprint.js
index e8729e4..1fe881d 100755
--- a/tests/javascript/printprint.js
+++ b/tests/javascript/printprint.js
@@ -1,7 +1,7 @@
 #!/usr/bin/env seed
 // Returns: 0
 // STDIN:
-// STDOUT:Hello World!\n\[null\]
+// STDOUT:Hello World!\n\[undefined\]
 // STDERR:
 
 Seed.print(Seed.print("Hello World!"));