[ostree] Extract keyfile helpers into libotutil

[Colin Walters <walters src gnome org>]

commit 31153913ff452b7fab70d1ee16a62a2e86c51fd5
Author: Colin Walters <walters verbum org>
Date:   Sat Sep 15 11:20:18 2012 -0400

    Extract keyfile helpers into libotutil
    
    Will be used by ostree-pull too soon.

 Makefile-otutil.am               |    2 +
 src/libostree/ostree-repo.c      |   78 +++-----------------------------
 src/libotutil/ot-keyfile-utils.c |   93 ++++++++++++++++++++++++++++++++++++++
 src/libotutil/ot-keyfile-utils.h |   49 ++++++++++++++++++++
 src/libotutil/otutil.h           |    1 +
 5 files changed, 151 insertions(+), 72 deletions(-)
---
diff --git a/Makefile-otutil.am b/Makefile-otutil.am
index 84fe14a..ea94e3b 100644
--- a/Makefile-otutil.am
+++ b/Makefile-otutil.am
@@ -25,6 +25,8 @@ libotutil_la_SOURCES = \
 	src/libotutil/ot-checksum-utils.c \
 	src/libotutil/ot-checksum-utils.h \
 	src/libotutil/ot-local-alloc.h \
+	src/libotutil/ot-keyfile-utils.c \
+	src/libotutil/ot-keyfile-utils.h \
 	src/libotutil/ot-opt-utils.c \
 	src/libotutil/ot-opt-utils.h \
 	src/libotutil/ot-unix-utils.c \
diff --git a/src/libostree/ostree-repo.c b/src/libostree/ostree-repo.c
index 1503dd7..15843da 100644
--- a/src/libostree/ostree-repo.c
+++ b/src/libostree/ostree-repo.c
@@ -586,72 +586,6 @@ ostree_repo_write_config (OstreeRepo *self,
   return ret;
 }
 
-static gboolean
-keyfile_get_boolean_with_default (GKeyFile      *keyfile,
-                                  const char    *section,
-                                  const char    *value,
-                                  gboolean       default_value,
-                                  gboolean      *out_bool,
-                                  GError       **error)
-{
-  gboolean ret = FALSE;
-  GError *temp_error = NULL;
-  gboolean ret_bool;
-
-  ret_bool = g_key_file_get_boolean (keyfile, section, value, &temp_error);
-  if (temp_error)
-    {
-      if (g_error_matches (temp_error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_KEY_NOT_FOUND))
-        {
-          g_clear_error (&temp_error);
-          ret_bool = default_value;
-        }
-      else
-        {
-          g_propagate_error (error, temp_error);
-          goto out;
-        }
-    }
-
-  ret = TRUE;
-  *out_bool = ret_bool;
- out:
-  return ret;
-}
-
-static gboolean
-keyfile_get_value_with_default (GKeyFile      *keyfile,
-                                const char    *section,
-                                const char    *value,
-                                const char    *default_value,
-                                char         **out_value,
-                                GError       **error)
-{
-  gboolean ret = FALSE;
-  GError *temp_error = NULL;
-  ot_lfree char *ret_value;
-
-  ret_value = g_key_file_get_value (keyfile, section, value, &temp_error);
-  if (temp_error)
-    {
-      if (g_error_matches (temp_error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_KEY_NOT_FOUND))
-        {
-          g_clear_error (&temp_error);
-          ret_value = g_strdup (default_value);
-        }
-      else
-        {
-          g_propagate_error (error, temp_error);
-          goto out;
-        }
-    }
-
-  ret = TRUE;
-  ot_transfer_out_value(out_value, &ret_value);
- out:
-  return ret;
-}
-                                
 gboolean
 ostree_repo_check (OstreeRepo *self, GError **error)
 {
@@ -695,16 +629,16 @@ ostree_repo_check (OstreeRepo *self, GError **error)
       goto out;
     }
 
-  if (!keyfile_get_boolean_with_default (self->config, "core", "archive",
-                                         FALSE, &is_archive, error))
+  if (!ot_keyfile_get_boolean_with_default (self->config, "core", "archive",
+                                            FALSE, &is_archive, error))
     goto out;
   
   if (is_archive)
     self->mode = OSTREE_REPO_MODE_ARCHIVE;
   else
     {
-      if (!keyfile_get_value_with_default (self->config, "core", "mode",
-                                           "bare", &mode, error))
+      if (!ot_keyfile_get_value_with_default (self->config, "core", "mode",
+                                              "bare", &mode, error))
         goto out;
 
       if (strcmp (mode, "bare") == 0)
@@ -719,8 +653,8 @@ ostree_repo_check (OstreeRepo *self, GError **error)
         }
     }
 
-  if (!keyfile_get_value_with_default (self->config, "core", "parent",
-                                       NULL, &parent_repo_path, error))
+  if (!ot_keyfile_get_value_with_default (self->config, "core", "parent",
+                                          NULL, &parent_repo_path, error))
     goto out;
 
   if (parent_repo_path && parent_repo_path[0])
diff --git a/src/libotutil/ot-keyfile-utils.c b/src/libotutil/ot-keyfile-utils.c
new file mode 100644
index 0000000..30014fa
--- /dev/null
+++ b/src/libotutil/ot-keyfile-utils.c
@@ -0,0 +1,93 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
+ *
+ * Copyright (C) 2011 Colin Walters <walters verbum org>
+ *
+ * This library 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 of the License, or (at your option) any later version.
+ *
+ * This library 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 this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Colin Walters <walters verbum org>
+ */
+
+#include "config.h"
+
+#include "otutil.h"
+
+#include <string.h>
+
+gboolean
+ot_keyfile_get_boolean_with_default (GKeyFile      *keyfile,
+                                     const char    *section,
+                                     const char    *value,
+                                     gboolean       default_value,
+                                     gboolean      *out_bool,
+                                     GError       **error)
+{
+  gboolean ret = FALSE;
+  GError *temp_error = NULL;
+  gboolean ret_bool;
+
+  ret_bool = g_key_file_get_boolean (keyfile, section, value, &temp_error);
+  if (temp_error)
+    {
+      if (g_error_matches (temp_error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_KEY_NOT_FOUND))
+        {
+          g_clear_error (&temp_error);
+          ret_bool = default_value;
+        }
+      else
+        {
+          g_propagate_error (error, temp_error);
+          goto out;
+        }
+    }
+
+  ret = TRUE;
+  *out_bool = ret_bool;
+ out:
+  return ret;
+}
+
+gboolean
+ot_keyfile_get_value_with_default (GKeyFile      *keyfile,
+                                   const char    *section,
+                                   const char    *value,
+                                   const char    *default_value,
+                                   char         **out_value,
+                                   GError       **error)
+{
+  gboolean ret = FALSE;
+  GError *temp_error = NULL;
+  ot_lfree char *ret_value;
+
+  ret_value = g_key_file_get_value (keyfile, section, value, &temp_error);
+  if (temp_error)
+    {
+      if (g_error_matches (temp_error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_KEY_NOT_FOUND))
+        {
+          g_clear_error (&temp_error);
+          ret_value = g_strdup (default_value);
+        }
+      else
+        {
+          g_propagate_error (error, temp_error);
+          goto out;
+        }
+    }
+
+  ret = TRUE;
+  ot_transfer_out_value(out_value, &ret_value);
+ out:
+  return ret;
+}
diff --git a/src/libotutil/ot-keyfile-utils.h b/src/libotutil/ot-keyfile-utils.h
new file mode 100644
index 0000000..b5fb74d
--- /dev/null
+++ b/src/libotutil/ot-keyfile-utils.h
@@ -0,0 +1,49 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
+ *
+ * Copyright (C) 2011 Colin Walters <walters verbum org>.
+ *
+ * This library 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 of the License, or (at your option) any later version.
+ *
+ * This library 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 this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Colin Walters <walters verbum org>
+ */
+
+#ifndef __OSTREE_KEYFILE_UTILS_H__
+#define __OSTREE_KEYFILE_UTILS_H__
+
+#include <gio/gio.h>
+
+G_BEGIN_DECLS
+
+gboolean
+ot_keyfile_get_boolean_with_default (GKeyFile      *keyfile,
+                                     const char    *section,
+                                     const char    *value,
+                                     gboolean       default_value,
+                                     gboolean      *out_bool,
+                                     GError       **error);
+
+
+gboolean
+ot_keyfile_get_value_with_default (GKeyFile      *keyfile,
+                                   const char    *section,
+                                   const char    *value,
+                                   const char    *default_value,
+                                   char         **out_value,
+                                   GError       **error);
+
+G_END_DECLS
+
+#endif
diff --git a/src/libotutil/otutil.h b/src/libotutil/otutil.h
index e6b2fb3..c6bb4b3 100644
--- a/src/libotutil/otutil.h
+++ b/src/libotutil/otutil.h
@@ -36,6 +36,7 @@
   } G_STMT_END;
 
 #include <ot-local-alloc.h>
+#include <ot-keyfile-utils.h>
 #include <ot-gio-utils.h>
 #include <ot-opt-utils.h>
 #include <ot-unix-utils.h>