[gnome-builder/wip/libide] libide: add new tool to print file settings for a given path

[Christian Hergert <chergert src gnome org>]

commit 22cba1366f24a006c0988eb1ff0a79dac07ec06a
Author: Christian Hergert <christian hergert me>
Date:   Sat Feb 14 18:05:44 2015 -0800

    libide: add new tool to print file settings for a given path

 .gitignore                     |    1 +
 tools/Makefile.am              |    5 +
 tools/ide-list-file-settings.c |  190 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 196 insertions(+), 0 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 7e44bbb..65c9690 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,6 +26,7 @@ gnome-builder
 ide-build
 ide-list-devices
 ide-list-diagnostics
+ide-list-file-settings
 ide-list-files
 intltool-extract.in
 intltool-merge.in
diff --git a/tools/Makefile.am b/tools/Makefile.am
index 64afedb..632e513 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -4,6 +4,11 @@ ide_build_SOURCES = tools/ide-build.c
 ide_build_CFLAGS = $(libide_la_CFLAGS)
 ide_build_LDADD = libide.la
 
+noinst_PROGRAMS += ide-list-file-settings
+ide_list_file_settings_SOURCES = tools/ide-list-file-settings.c
+ide_list_file_settings_CFLAGS = $(libide_la_CFLAGS)
+ide_list_file_settings_LDADD = libide.la
+
 noinst_PROGRAMS += ide-list-devices
 ide_list_devices_SOURCES = tools/ide-list-devices.c
 ide_list_devices_CFLAGS = $(libide_la_CFLAGS)
diff --git a/tools/ide-list-file-settings.c b/tools/ide-list-file-settings.c
new file mode 100644
index 0000000..5ab3ddd
--- /dev/null
+++ b/tools/ide-list-file-settings.c
@@ -0,0 +1,190 @@
+/* ide-list-file-settings.c
+ *
+ * Copyright (C) 2015 Christian Hergert <christian hergert me>
+ *
+ * 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/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <ide.h>
+#include <stdlib.h>
+
+static GMainLoop *gMainLoop;
+static gint gExitCode = EXIT_SUCCESS;
+static gchar **gPaths;
+static int gActive;
+
+static void
+quit (gint exit_code)
+{
+  gExitCode = exit_code;
+  g_main_loop_quit (gMainLoop);
+}
+
+static const gchar *
+newline_string (GtkSourceNewlineType nt)
+{
+  switch (nt)
+    {
+    case GTK_SOURCE_NEWLINE_TYPE_LF:
+      return "lf";
+    case GTK_SOURCE_NEWLINE_TYPE_CR:
+      return "cr";
+    case GTK_SOURCE_NEWLINE_TYPE_CR_LF:
+      return "crlf";
+    default:
+      return "unknown";
+    }
+}
+
+static const gchar *
+indent_style_string (IdeIndentStyle style)
+{
+  switch (style)
+    {
+    case IDE_INDENT_STYLE_SPACES:
+      return "space";
+    case IDE_INDENT_STYLE_TABS:
+      return "tab";
+    default:
+      return "unknown";
+    }
+}
+
+static void
+load_settings_cb (GObject      *object,
+                  GAsyncResult *result,
+                  gpointer      user_data)
+{
+  IdeFileSettings *settings;
+  IdeFile *file = (IdeFile *)object;
+  GError *error = NULL;
+  gint exit_code = EXIT_SUCCESS;
+
+  settings = ide_file_load_settings_finish (file, result, &error);
+
+  if (!settings)
+    {
+      g_printerr ("%s\n", error->message);
+      g_clear_error (&error);
+      gExitCode = EXIT_FAILURE;
+      goto cleanup;
+    }
+
+  g_print ("# %s\n", ide_file_get_path (file));
+  g_print ("encoding = %s\n", ide_file_settings_get_encoding (settings) ?: "default");
+  g_print ("indent_width = %u\n", ide_file_settings_get_indent_width (settings));
+  g_print ("tab_width = %u\n", ide_file_settings_get_tab_width (settings));
+  g_print ("insert_trailing_newline = %s\n", ide_file_settings_get_insert_trailing_newline (settings) ? 
"true" : "false");
+  g_print ("trim_trailing_whitespace = %s\n", ide_file_settings_get_trim_trailing_whitespace (settings) ? 
"true" : "false");
+  g_print ("newline_type = %s\n", newline_string (ide_file_settings_get_newline_type (settings)));
+  g_print ("indent_sytle = %s\n", indent_style_string (ide_file_settings_get_indent_style (settings)));
+
+  g_clear_object (&settings);
+
+cleanup:
+  if (!--gActive)
+    quit (gExitCode);
+}
+
+static void
+context_cb (GObject      *object,
+            GAsyncResult *result,
+            gpointer      user_data)
+{
+  g_autoptr(IdeContext) context = NULL;
+  g_autoptr(GError) error = NULL;
+  IdeProject *project;
+  IdeFile *file;
+  int i;
+
+  context = ide_context_new_finish (result, &error);
+
+  if (!context)
+    {
+      g_printerr ("%s\n", error->message);
+      quit (EXIT_FAILURE);
+      return;
+    }
+
+  project = ide_context_get_project (context);
+
+  if (gPaths)
+    {
+      for (i = 0; gPaths [i]; i++)
+        {
+          gActive++;
+          file = ide_project_get_file_for_path (project, gPaths [i]);
+          ide_file_load_settings_async (file,
+                                        NULL,
+                                        load_settings_cb,
+                                        NULL);
+        }
+    }
+
+  if (!gActive)
+    {
+      g_printerr (_("No files provided to load settings for.\n"));
+      quit (EXIT_FAILURE);
+    }
+}
+
+gint
+main (gint   argc,
+      gchar *argv[])
+{
+  g_autoptr(GOptionContext) context = NULL;
+  g_autoptr(GError) error = NULL;
+  g_autoptr(GFile) project_file = NULL;
+  const gchar *project_path = ".";
+  GPtrArray *strv;
+  int i;
+
+  ide_set_program_name ("gnome-builder");
+  g_set_prgname ("ide-list-file-settings");
+
+  context = g_option_context_new (_("- List files found in project."));
+
+  if (!g_option_context_parse (context, &argc, &argv, &error))
+    {
+      g_printerr ("%s\n", error->message);
+      return EXIT_FAILURE;
+    }
+
+  gMainLoop = g_main_loop_new (NULL, FALSE);
+
+  if (argc > 1)
+    project_path = argv [1];
+  project_file = g_file_new_for_path (project_path);
+
+  strv = g_ptr_array_new ();
+  for (i = 2; i < argc; i++)
+    g_ptr_array_add (strv, g_strdup (argv [i]));
+  g_ptr_array_add (strv, NULL);
+
+  gPaths = (gchar **)g_ptr_array_free (strv, FALSE);
+
+  ide_context_new_async (project_file, NULL, context_cb, NULL);
+
+  g_main_loop_run (gMainLoop);
+  g_clear_pointer (&gMainLoop, g_main_loop_unref);
+  g_strfreev (gPaths);
+
+  return gExitCode;
+}