Added new plugin svndiff

git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@1944 ea778897-0a13-0410-b9d1-a72fbfd435f5

ChangeLog

@@ -1,3 +1,10 @@
+2007-10-15  Frank Lanitz  <frank(at)frank(dot)uvena(dot)de>
+
+ * plugins/svndiff.c, plugins/Makefile.am, plugins/makefile.win32,
+   po/POTFILES.in:
+   New Plugin: Plugin to create a diff of a file against svn.
+
+
 2007-10-13  Enrico Tröger  <enrico(dot)troeger(at)uvena(dot)de>
 
  * geany.glade, src/interface.c, src/keyfile.c, src/plugindata.h,

plugins/Makefile.am

@@ -15,6 +15,7 @@ demoplugin_la_LDFLAGS    = -module -avoid-version
 classbuilder_la_LDFLAGS  = -module -avoid-version
 htmlchars_la_LDFLAGS     = -module -avoid-version
 export_la_LDFLAGS        = -module -avoid-version
+svndiff_la_LDFLAGS       = -module -avoid-version
 
 if PLUGINS
 
@@ -22,7 +23,8 @@ if PLUGINS
 plugin_LTLIBRARIES = \
 	classbuilder.la \
 	htmlchars.la \
-	export.la
+	export.la \
+	svndiff.la
 
 # Plugins not to be installed
 noinst_LTLIBRARIES = \
@@ -32,11 +34,13 @@ demoplugin_la_SOURCES    = demoplugin.c
 classbuilder_la_SOURCES  = classbuilder.c
 htmlchars_la_SOURCES     = htmlchars.c
 export_la_SOURCES        = export.c
+svndiff_la_SOURCES       = svndiff.c
 
 demoplugin_la_LIBADD    = $(GTK_LIBS)
 classbuilder_la_LIBADD  = $(GTK_LIBS)
 htmlchars_la_LIBADD     = $(GTK_LIBS)
 export_la_LIBADD        = $(GTK_LIBS)
+svndiff_la_LIBADD       = $(GTK_LIBS)
 
 endif # PLUGINS
 

plugins/svndiff.c

@@ -0,0 +1,140 @@
+/*
+ *      svndiff.c - this file is part of Geany, a fast and lightweight IDE
+ *
+ *      Copyright 2007 Frank Lanitz <frank(at)frank(dot)uvena(dot)de>
+ *
+ *      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 2 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, write to the Free Software
+ *      Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+
+/* SVNdiff plugin */
+/* This small plugin uses svn to generate a diff against the current
+ * version inside svn. Keep in mind, that it uses the last saved
+ * version of workingcopy and _NOT_ the unsaved version, you might be
+ * working on. */
+
+
+#include "geany.h"
+#include "support.h"
+#include "plugindata.h"
+#include "document.h"
+#include "filetypes.h"
+
+
+PluginFields	*plugin_fields;
+GeanyData		*geany_data;
+
+#define utils		geany_data->utils
+#define doc_array	geany_data->doc_array
+
+
+VERSION_CHECK(21)
+
+PLUGIN_INFO(_("SVNdiff"), _("Plugin to create a patch of a file against svn"), "0.0.1")
+
+
+/* Callback if menu item was acitvated */
+static void item_activated(GtkMenuItem *menuitem, gpointer gdata)
+{
+	gchar 	*command;
+	gint 	idx;
+	gchar	*diff_file_name = NULL;
+	gchar	*std_output = NULL;
+	gchar	*std_err = NULL;
+	gint	exit_code;
+	GError	*error_code = NULL;
+
+	idx = geany_data->document->get_cur_idx();
+
+    // Stolen from export.c. Thanks for it, Enrico ;)
+    if (doc_list[idx].file_name != NULL)
+	{
+		gchar *base_name = g_path_get_basename(doc_list[idx].file_name);
+		gchar *short_name = utils->remove_ext_from_filename(base_name);
+		gchar *locale_filename = utils->get_locale_from_utf8(doc_list[idx].file_name);
+
+		// use '' quotation for Windows compatibility
+		command = g_strdup_printf("svn diff --non-interactive '%s'", locale_filename);
+
+		diff_file_name = g_strconcat(short_name, ".svn.diff", NULL);
+
+		g_free(base_name);
+		g_free(short_name);
+		g_free(locale_filename);
+
+
+		if (g_spawn_command_line_sync(command, &std_output, &std_err, &exit_code, &error_code))
+		{
+			if (! exit_code)
+			{
+				if (std_output == NULL || std_output[0] != '\0')
+				{
+					geany_data->document->new_file(diff_file_name,
+						geany_data->filetypes[GEANY_FILETYPES_DIFF], std_output);
+				}
+				else
+				{
+					geany_data->msgwindow->status_add(_("Current file has no changes."));
+				}
+			}
+			else // SVN returns some error
+			{
+				// TODO print std_err or print detailed error messages based on exit_code
+				geany_data->msgwindow->status_add(
+					_("SVN exited with an error. Error code was: %d."), exit_code);
+			}
+		}
+		else
+		{
+			geany_data->msgwindow->status_add(
+				_("Something went really wrong. Is there any svn-binary in your path?"));
+		}
+		g_free(command);
+		g_free(diff_file_name);
+	}
+	else
+	{
+		geany_data->msgwindow->status_add(
+			_("It looks like file doesn't have a suitable name. "
+			  "Maybe it's better to stop here and do nothing."));
+	}
+	g_free(std_output);
+	g_free(std_err);
+}
+
+
+/* Called by Geany to initialize the plugin */
+void init(GeanyData *data)
+{
+	GtkWidget *svndiff_item;
+
+	// Add an item to the Tools menu
+	svndiff_item = gtk_menu_item_new_with_mnemonic(_("_SVNdiff"));
+	gtk_widget_show(svndiff_item);
+	gtk_container_add(GTK_CONTAINER(geany_data->tools_menu), svndiff_item);
+	g_signal_connect(G_OBJECT(svndiff_item), "activate", G_CALLBACK(item_activated), NULL);
+
+	// keep a pointer to the menu item, so we can remove it when the
+	// plugin is unloaded
+	plugin_fields->menu_item = svndiff_item;
+}
+
+
+/* Called by Geany before unloading the plugin. */
+void cleanup()
+{
+	// remove the menu item added in init()
+	gtk_widget_destroy(plugin_fields->menu_item);
+}

po/POTFILES.in

@@ -37,3 +37,4 @@ src/win32.c
 plugins/classbuilder.c
 plugins/htmlchars.c
 plugins/export.c
+plugins/svndiff.c