[libgit2-glib] Add GgitDiffBinary boxed type

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 8822e80b33da84632634310184406189cb68ae15
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Tue Jun 30 20:50:26 2015 +0200

    Add GgitDiffBinary boxed type

 libgit2-glib/Makefile.am        |    2 +
 libgit2-glib/ggit-diff-binary.c |  122 +++++++++++++++++++++++++++++++++++++++
 libgit2-glib/ggit-diff-binary.h |   48 +++++++++++++++
 libgit2-glib/ggit-types.h       |    7 ++
 4 files changed, 179 insertions(+), 0 deletions(-)
---
diff --git a/libgit2-glib/Makefile.am b/libgit2-glib/Makefile.am
index 1f7a9c1..7b52283 100644
--- a/libgit2-glib/Makefile.am
+++ b/libgit2-glib/Makefile.am
@@ -34,6 +34,7 @@ H_FILES =                                     \
        ggit-cred.h                             \
        ggit-cred-plaintext.h                   \
        ggit-diff.h                             \
+       ggit-diff-binary.h                      \
        ggit-diff-binary-file.h                 \
        ggit-diff-delta.h                       \
        ggit-diff-file.h                        \
@@ -100,6 +101,7 @@ C_FILES =                                   \
        ggit-cred.c                             \
        ggit-cred-plaintext.c                   \
        ggit-diff.c                             \
+       ggit-diff-binary.c                      \
        ggit-diff-binary-file.c                 \
        ggit-diff-delta.c                       \
        ggit-diff-file.c                        \
diff --git a/libgit2-glib/ggit-diff-binary.c b/libgit2-glib/ggit-diff-binary.c
new file mode 100644
index 0000000..7eec56e
--- /dev/null
+++ b/libgit2-glib/ggit-diff-binary.c
@@ -0,0 +1,122 @@
+/*
+ * ggit-diff-binary.c
+ * This file is part of libgit2-glib
+ *
+ * Copyright (C) 2015 - Ignacio Casal Quinteiro
+ *
+ * libgit2-glib is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * libgit2-glib 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with libgit2-glib. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <glib-object.h>
+
+#include "ggit-diff-binary.h"
+#include "ggit-diff-binary-file.h"
+
+struct _GgitDiffBinary {
+       gint ref_count;
+
+       GgitDiffBinaryFile *old_file;
+       GgitDiffBinaryFile *new_file;
+};
+
+G_DEFINE_BOXED_TYPE (GgitDiffBinary, ggit_diff_binary,
+                     ggit_diff_binary_ref, ggit_diff_binary_unref)
+
+GgitDiffBinary *
+_ggit_diff_binary_wrap (const git_diff_binary *binary)
+{
+       GgitDiffBinary *gbinary;
+
+       g_return_val_if_fail (binary != NULL, NULL);
+
+       gbinary = g_slice_new (GgitDiffBinary);
+       gbinary->ref_count = 1;
+       gbinary->old_file = _ggit_diff_binary_file_wrap (&binary->old_file);
+       gbinary->new_file = _ggit_diff_binary_file_wrap (&binary->new_file);
+
+       return gbinary;
+}
+
+/**
+ * ggit_diff_binary_ref:
+ * @binary: a #GgitDiffBinary.
+ *
+ * Atomically increments the reference count of @binary by one.
+ * This function is MT-safe and may be called from any thread.
+ *
+ * Returns: a #GgitDiffBinary.
+ **/
+GgitDiffBinary *
+ggit_diff_binary_ref (GgitDiffBinary *binary)
+{
+       g_return_val_if_fail (binary != NULL, NULL);
+
+       g_atomic_int_inc (&binary->ref_count);
+
+       return binary;
+}
+
+/**
+ * ggit_diff_binary_unref:
+ * @binary: a #GgitDiffBinary.
+ *
+ * Atomically decrements the reference count of @binary by one.
+ * If the reference count drops to 0, @binary is freed.
+ **/
+void
+ggit_diff_binary_unref (GgitDiffBinary *binary)
+{
+       g_return_if_fail (binary != NULL);
+
+       if (g_atomic_int_dec_and_test (&binary->ref_count))
+       {
+               ggit_diff_binary_file_unref (binary->old_file);
+               ggit_diff_binary_file_unref (binary->new_file);
+               g_slice_free (GgitDiffBinary, binary);
+       }
+}
+
+/**
+ * ggit_diff_binary_get_old_file:
+ * @binary: a #GgitDiffBinary.
+ *
+ * Gets the #GgitDiffBinaryFile old file for @binary.
+ *
+ * Returns: (transfer none): the contents of the old file.
+ */
+GgitDiffBinaryFile *
+ggit_diff_binary_get_old_file (GgitDiffBinary *binary)
+{
+       g_return_val_if_fail (binary != NULL, NULL);
+
+       return binary->old_file;
+}
+
+/**
+ * ggit_diff_binary_get_new_file:
+ * @binary: a #GgitDiffBinary.
+ *
+ * Gets the #GgitDiffBinaryFile new file for @binary.
+ *
+ * Returns: (transfer none): the contents of the new file.
+ */
+GgitDiffBinaryFile *
+ggit_diff_binary_get_new_file (GgitDiffBinary *binary)
+{
+       g_return_val_if_fail (binary != NULL, NULL);
+
+       return binary->new_file;
+}
+
+/* ex:set ts=8 noet: */
diff --git a/libgit2-glib/ggit-diff-binary.h b/libgit2-glib/ggit-diff-binary.h
new file mode 100644
index 0000000..b3d67dc
--- /dev/null
+++ b/libgit2-glib/ggit-diff-binary.h
@@ -0,0 +1,48 @@
+/*
+ * ggit-diff-binary.h
+ * This file is part of libgit2-glib
+ *
+ * Copyright (C) 2015 - Ignacio Casal Quinteiro
+ *
+ * libgit2-glib is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * libgit2-glib 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with libgit2-glib. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GGIT_DIFF_BINARY_H__
+#define __GGIT_DIFF_BINARY_H__
+
+#include <git2.h>
+
+#include "ggit-types.h"
+
+G_BEGIN_DECLS
+
+#define GGIT_TYPE_DIFF_BINARY       (ggit_diff_binary_get_type ())
+#define GGIT_DIFF_BINARY(obj)       ((GgitDiffBinary *)obj)
+
+GType                    ggit_diff_binary_get_type          (void) G_GNUC_CONST;
+
+GgitDiffBinary          *_ggit_diff_binary_wrap             (const git_diff_binary *binary);
+
+GgitDiffBinary          *ggit_diff_binary_ref               (GgitDiffBinary        *binary);
+void                     ggit_diff_binary_unref             (GgitDiffBinary        *binary);
+
+GgitDiffBinaryFile      *ggit_diff_binary_get_old_file      (GgitDiffBinary        *binary);
+
+GgitDiffBinaryFile      *ggit_diff_binary_get_new_file      (GgitDiffBinary        *binary);
+
+G_END_DECLS
+
+#endif /* __GGIT_DIFF_BINARY_H__ */
+
+/* ex:set ts=8 noet: */
diff --git a/libgit2-glib/ggit-types.h b/libgit2-glib/ggit-types.h
index 8e82d55..adcaa77 100644
--- a/libgit2-glib/ggit-types.h
+++ b/libgit2-glib/ggit-types.h
@@ -131,6 +131,13 @@ typedef struct _GgitCredPlaintext GgitCredPlaintext;
 typedef struct _GgitDiff GgitDiff;
 
 /**
+ * GgitDiffBinary:
+ *
+ * Represents a diff binary.
+ */
+typedef struct _GgitDiffBinary GgitDiffBinary;
+
+/**
  * GgitDiffBinaryFile:
  *
  * Represents a diff binary file.