[gnome-builder/wip/slaf/xml-pack: 568/572] xml-pack: IdeXmlGrammar object

[Sébastien Lafargue <slafargue src gnome org>]

commit 970866212bdff7cdf79ea3a49d9f5975a5f5e6fe
Author: Sebastien Lafargue <slafargue gnome org>
Date:   Sun May 14 23:07:58 2017 +0200

    xml-pack: IdeXmlGrammar object
    
    Used to store the grammars when using
    the rng parser.

 plugins/xml-pack/Makefile.am           |    2 +
 plugins/xml-pack/ide-xml-rng-grammar.c |  128 ++++++++++++++++++++++++++++++++
 plugins/xml-pack/ide-xml-rng-grammar.h |   58 ++++++++++++++
 3 files changed, 188 insertions(+), 0 deletions(-)
---
diff --git a/plugins/xml-pack/Makefile.am b/plugins/xml-pack/Makefile.am
index 780b3e4..e305666 100644
--- a/plugins/xml-pack/Makefile.am
+++ b/plugins/xml-pack/Makefile.am
@@ -30,6 +30,8 @@ libxml_pack_plugin_la_SOURCES =              \
        ide-xml-position.h                   \
        ide-xml-rng-define.c                 \
        ide-xml-rng-define.h                 \
+       ide-xml-rng-grammar.c                \
+       ide-xml-rng-grammar.h                \
        ide-xml-sax.c                        \
        ide-xml-sax.h                        \
        ide-xml-service.c                    \
diff --git a/plugins/xml-pack/ide-xml-rng-grammar.c b/plugins/xml-pack/ide-xml-rng-grammar.c
new file mode 100644
index 0000000..b3422d5
--- /dev/null
+++ b/plugins/xml-pack/ide-xml-rng-grammar.c
@@ -0,0 +1,128 @@
+/* ide-xml-rng-grammar.c
+ *
+ * Copyright (C) 2017 Sebastien Lafargue <slafargue gnome org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ide-xml-rng-grammar.h"
+
+G_DEFINE_BOXED_TYPE (IdeXmlRngGrammar, ide_xml_rng_grammar, ide_xml_rng_grammar_ref, 
ide_xml_rng_grammar_unref)
+
+static void
+dump_defines_func (const gchar *name,
+                   GPtrArray   *array,
+                   gpointer     data)
+{
+  IdeXmlRngGrammar *self = (IdeXmlRngGrammar *)data;
+  IdeXmlRngDefine *def;
+
+  g_assert (self != NULL);
+
+  for (gint i = 0; i <array->len; ++i)
+    {
+      def = g_ptr_array_index (array, i);
+      ide_xml_rng_define_dump_tree (def, TRUE);
+    }
+}
+
+void
+ide_xml_rng_grammar_dump_tree (IdeXmlRngGrammar *self)
+{
+  g_return_if_fail (self != NULL);
+
+  if (self->start_defines != NULL)
+    ide_xml_rng_define_dump_tree (self->start_defines, TRUE);
+
+  if (self->defines != NULL)
+    ide_xml_hash_table_array_scan (self->defines, dump_defines_func, self);
+}
+
+IdeXmlRngGrammar *
+ide_xml_rng_grammar_new (void)
+{
+  IdeXmlRngGrammar *self;
+
+  self = g_slice_new0 (IdeXmlRngGrammar);
+  self->ref_count = 1;
+
+  self->defines = ide_xml_hash_table_new ((GDestroyNotify)ide_xml_rng_define_unref);
+  self->refs = ide_xml_hash_table_new ((GDestroyNotify)ide_xml_rng_define_unref);
+
+  return self;
+}
+
+void
+ide_xml_rng_grammar_add_child (IdeXmlRngGrammar *self,
+                               IdeXmlRngGrammar *child)
+{
+  IdeXmlRngGrammar *tmp_grammar;
+
+  g_return_if_fail (self != NULL);
+
+  if (self->children == NULL)
+    self->children = child;
+  else
+    {
+      tmp_grammar = self->children;
+      while (tmp_grammar->next != NULL)
+        tmp_grammar = tmp_grammar->next;
+
+      tmp_grammar->next = child;
+    }
+
+  child->parent = self;
+}
+
+static void
+ide_xml_rng_grammar_free (IdeXmlRngGrammar *self)
+{
+  g_assert (self);
+  g_assert_cmpint (self->ref_count, ==, 0);
+
+  ide_xml_hash_table_unref (self->defines);
+  ide_xml_hash_table_unref (self->refs);
+
+  if (self->next != NULL)
+    ide_xml_rng_grammar_unref (self->next);
+
+  if (self->children != NULL)
+    ide_xml_rng_grammar_unref (self->children);
+
+  if (self->start_defines != NULL)
+    ide_xml_rng_define_unref (self->start_defines);
+
+  g_slice_free (IdeXmlRngGrammar, self);
+}
+
+IdeXmlRngGrammar *
+ide_xml_rng_grammar_ref (IdeXmlRngGrammar *self)
+{
+  g_return_val_if_fail (self != NULL, NULL);
+  g_return_val_if_fail (self->ref_count, NULL);
+
+  g_atomic_int_inc (&self->ref_count);
+
+  return self;
+}
+
+void
+ide_xml_rng_grammar_unref (IdeXmlRngGrammar *self)
+{
+  g_return_if_fail (self != NULL);
+  g_return_if_fail (self->ref_count);
+
+  if (g_atomic_int_dec_and_test (&self->ref_count))
+    ide_xml_rng_grammar_free (self);
+}
diff --git a/plugins/xml-pack/ide-xml-rng-grammar.h b/plugins/xml-pack/ide-xml-rng-grammar.h
new file mode 100644
index 0000000..199b4ab
--- /dev/null
+++ b/plugins/xml-pack/ide-xml-rng-grammar.h
@@ -0,0 +1,58 @@
+/* ide-xml-rng-grammar.h
+ *
+ * Copyright (C) 2017 Sebastien Lafargue <slafargue gnome org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef IDE_XML_RNG_GRAMMAR_H
+#define IDE_XML_RNG_GRAMMAR_H
+
+#include "ide-xml-hash-table.h"
+#include "ide-xml-rng-define.h"
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define IDE_TYPE_XML_RNG_GRAMMAR (ide_xml_rng_grammar_get_type())
+
+typedef struct _IdeXmlRngGrammar IdeXmlRngGrammar;
+
+struct _IdeXmlRngGrammar
+{
+  guint   ref_count;
+
+  IdeXmlRngDefine  *start_defines;
+
+  IdeXmlHashTable  *defines;
+  IdeXmlHashTable  *refs;
+
+  IdeXmlRngGrammar *parent;
+  IdeXmlRngGrammar *next;
+  IdeXmlRngGrammar *children;
+};
+
+IdeXmlRngGrammar     *ide_xml_rng_grammar_new       (void);
+void                  ide_xml_rng_grammar_add_child (IdeXmlRngGrammar *self,
+                                                     IdeXmlRngGrammar *child);
+void                  ide_xml_rng_grammar_dump_tree (IdeXmlRngGrammar *self);
+IdeXmlRngGrammar     *ide_xml_rng_grammar_ref       (IdeXmlRngGrammar *self);
+void                  ide_xml_rng_grammar_unref     (IdeXmlRngGrammar *self);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (IdeXmlRngGrammar, ide_xml_rng_grammar_unref)
+
+G_END_DECLS
+
+#endif /* IDE_XML_RNG_GRAMMAR_H */
+