forgotten files

svn path=/trunk/; revision=1220

2 files changed, 323 insertions, 0 deletions

diff --git a/camel/providers/MH/mh-summary.c b/camel/providers/MH/mh-summary.c
new file mode 100644
index 0000000000..5a964696e0
--- /dev/null
+++ b/camel/providers/MH/mh-summary.c
@@ -0,0 +1,290 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/* 
+ *
+ * Copyright (C) 1999 Bertrand Guiheneuf <Bertrand.Guiheneuf@aful.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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+
+#include <config.h> 
+
+#include "mh-uid.h"
+#include "camel-log.h"
+#include "camel-stream.h"
+#include "camel-stream-fs.h"
+#include "camel-stream-buffered-fs.h"
+#include "gmime-utils.h"
+#include "mh-utils.h"
+
+#include <sys/stat.h> 
+#include <unistd.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+void 
+mh_generate_summary (CamelFolder *folder)
+{
+	CamelMhFolder *mh_folder = CAMEL_MH_FOLDER (folder);
+	CamelFolderSummary *summary;
+	CamelMessageInfo *message_info;
+	CamelFolderInfo *subfolder_info;
+	CamelStream *message_stream;
+	guint file_number;
+	gchar *message_fullpath;
+	gchar *directory_path;
+	GArray *header_array;
+	MhUidCouple *uid_couple;
+	Rfc822Header *cur_header;
+	int i;
+	int n_file;
+	GArray *uid_array;
+
+	CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::generate_summary entering \n");
+
+	g_assert (folder);
+
+	directory_path = mh_folder->directory_path;
+	if (!directory_path) {
+		CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::generate_summary folder has no directory path\n");
+		return;
+	}
+
+	summary = camel_folder_summary_new ();
+	folder->summary = summary;
+
+	uid_array = mh_folder->uid_array;
+	
+	if (!uid_array) {
+		CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::generate_summary "
+				      "no uid list, that probably means there is "
+				      "no message in this folder, exiting \n");
+		return;
+	}
+	uid_couple = (MhUidCouple *)uid_array->data;
+
+	for (n_file=0; n_file<uid_array->len; n_file++) {
+
+		file_number = uid_couple->file_number;
+
+		message_info = g_new0 (CamelMessageInfo, 1);
+		message_info->uid = g_new0 (guchar, 17);
+		strncpy (message_info->uid, uid_couple->uid, 16);
+
+
+		message_fullpath = g_strdup_printf ("%s/%d", directory_path, file_number);
+		message_stream = camel_stream_buffered_fs_new_with_name (message_fullpath, 
+									 CAMEL_STREAM_BUFFERED_FS_READ);
+		if (!message_stream) {
+			CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::generate_summary "
+					      "could not open %d for reading\n", message_fullpath);
+			g_free (message_fullpath);
+			return;
+		}
+		g_free (message_fullpath);
+		
+		header_array = get_header_array_from_stream (message_stream);
+		gtk_object_unref (GTK_OBJECT (message_stream));
+		
+		for (i=0; i<header_array->len; i++) {
+			cur_header = (Rfc822Header *)header_array->data + i;
+			if (!g_strcasecmp (cur_header->name, "subject")) {
+				message_info->subject = cur_header->value;
+				g_free (cur_header->name);
+			} else if (!g_strcasecmp (cur_header->name, "sender")) {
+				message_info->date = cur_header->value;
+				g_free (cur_header->name);
+			} else if (!g_strcasecmp (cur_header->name, "date")) {
+				message_info->date = cur_header->value;
+				g_free (cur_header->name);
+			} else {
+				g_free (cur_header->name);
+				g_free (cur_header->value);
+			}
+		}		
+		g_array_free (header_array, TRUE);
+
+		summary->message_info_list = g_list_append (summary->message_info_list, message_info);
+
+		/* next message in the uid list */
+		uid_couple++;
+	}	
+	CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::generate_summary leaving \n");
+
+}
+
+
+void 
+mh_save_summary (CamelMhFolder *mh_folder)
+{
+	GArray *uid_array;
+	MhUidCouple *first_uid_couple;
+	CamelFolderSummary *summary;
+	GList *msg_info_list;
+	CamelMessageInfo *msg_info;
+	gchar *directory_path = mh_folder->directory_path;
+	gchar *summary_file_path;
+	gint fd;
+	gint i;
+	gint field_lgth;
+	
+	CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::save_summary entering \n");
+
+	summary = CAMEL_FOLDER (mh_folder)->summary;
+	if (!summary) return;
+	
+	summary_file_path = g_strdup_printf ("%s/%s", directory_path, ".camel-summary");
+	CAMEL_LOG_FULL_DEBUG ("In the process of writing %s\n", summary_file_path);
+	fd = open (summary_file_path, O_WRONLY | O_CREAT );
+	
+	if (!fd) {
+		CAMEL_LOG_FULL_DEBUG ("could not open file %s for writing. Exiting.\n", summary_file_path);
+		g_free (summary_file_path);
+		return;
+	}
+	g_free (summary_file_path);
+
+	msg_info_list = summary->message_info_list;
+	while (msg_info_list) {
+		msg_info = msg_info_list->data;
+		/* write subject */
+		field_lgth = msg_info->subject ? strlen (msg_info->subject) : 0;
+		write (fd, &field_lgth, sizeof (gint));
+		if (field_lgth)
+			write (fd, msg_info->subject, field_lgth);
+
+		/* write uid */
+		field_lgth = msg_info->uid ? strlen (msg_info->uid) : 0;
+		write (fd, &field_lgth, sizeof (gint));
+		if (field_lgth)
+			write (fd, msg_info->uid, field_lgth);
+
+		/* write date */
+		field_lgth = msg_info->date ? strlen (msg_info->date) : 0;
+		write (fd, &field_lgth, sizeof (gint));
+		if (field_lgth)
+			write (fd, msg_info->date, field_lgth);
+
+		/* write sender */
+		field_lgth = msg_info->sender ? strlen (msg_info->sender) : 0;
+		write (fd, &field_lgth, sizeof (gint));
+		if (field_lgth)
+			write (fd, msg_info->sender, field_lgth);
+
+		msg_info_list = msg_info_list->next;
+		
+	}
+			
+	close (fd);
+
+	CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::save_summary leaving \n");
+		
+}
+
+
+
+
+
+gint
+mh_load_summary (CamelMhFolder *mh_folder)
+{
+	GArray *uid_array;
+	MhUidCouple *first_uid_couple;
+	CamelFolderSummary *summary;
+	CamelMessageInfo *msg_info;
+	gchar *directory_path = mh_folder->directory_path;
+	gchar *summary_file_path;
+	gint fd;
+	gint i;
+	gint field_lgth;
+	gboolean file_eof;
+	gint stat_error;
+	struct stat stat_buf;
+
+	summary = CAMEL_FOLDER (mh_folder)->summary;
+	if (summary) return 1; /* should we regenerate it ? */
+	
+	summary_file_path = g_strdup_printf ("%s/%s", directory_path, ".camel-summary");
+	CAMEL_LOG_FULL_DEBUG ("In the process of reading %s\n", summary_file_path);
+	fd = open (summary_file_path, O_RDONLY);
+	/* tests if file exists */
+	stat_error = stat (summary_file_path, &stat_buf);
+
+	if (!((stat_error != -1) && S_ISREG (stat_buf.st_mode))) {		
+		CAMEL_LOG_FULL_DEBUG ("could not open file %s for reading. Exiting.\n", summary_file_path);
+		g_free (summary_file_path);
+		return -1;
+	}
+	g_free (summary_file_path);
+	
+	for (;;)  {
+		/* read subject */
+		file_eof = (read (fd, &field_lgth, sizeof (gint)) <= 0);
+		if (file_eof) break;
+		
+		
+		/* allcate a summary if needed */
+		if (!summary) 
+			summary = camel_folder_summary_new ();
+		/* allocate a message info struct */
+		msg_info = g_new0 (CamelMessageInfo, 1);	
+	
+		if (!file_eof && (field_lgth > 0)) {			
+			msg_info->subject = g_new0 (gchar, field_lgth + 1);
+			read (fd, msg_info->subject, field_lgth);
+		} else 
+			msg_info->subject = NULL;
+		
+		/* read uid */
+		if (!file_eof) file_eof = (read (fd, &field_lgth, sizeof (gint)) <= 0);
+		if (!file_eof && (field_lgth > 0)) {		
+			msg_info->uid = g_new0 (gchar, field_lgth + 1);
+			read (fd, msg_info->uid, field_lgth);
+		} else 
+			msg_info->uid = NULL;
+		
+		/* read date */
+		if (!file_eof) file_eof = (read (fd, &field_lgth, sizeof (gint)) <= 0);
+		if (!file_eof && (field_lgth > 0)) {			
+			msg_info->date = g_new0 (gchar, field_lgth + 1);
+			read (fd, msg_info->date, field_lgth);
+		} else 
+			msg_info->date = NULL;
+		
+		/* read sender */
+		if (!file_eof) file_eof = (read (fd, &field_lgth, sizeof (gint)) <= 0);
+		if (!file_eof && (field_lgth > 0)) {			
+			msg_info->sender = g_new0 (gchar, field_lgth + 1);
+			read (fd, msg_info->sender, field_lgth);
+		} else 
+			msg_info->sender = NULL;
+
+		summary->message_info_list = g_list_prepend (summary->message_info_list, 
+							     msg_info);
+	}		
+	
+	CAMEL_FOLDER (mh_folder)->summary = summary;
+			
+	close (fd);
+	return 1;
+}
+
+
diff --git a/camel/providers/MH/mh-summary.h b/camel/providers/MH/mh-summary.h
new file mode 100644
index 0000000000..27c9a21f60
--- /dev/null
+++ b/camel/providers/MH/mh-summary.h
@@ -0,0 +1,33 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/* 
+ *
+ * Copyright (C) 1999 Bertrand Guiheneuf <Bertrand.Guiheneuf@aful.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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+#ifndef MH_SUMMARY_H
+#define MH_SUMMARY_H 1
+
+#include <glib.h>
+#include "camel-mh-folder.h"
+
+void mh_generate_summary (CamelFolder *folder);
+void mh_save_summary (CamelMhFolder *mh_folder);
+gint mh_load_summary (CamelMhFolder *mh_folder);
+
+#endif /* MH_SUMMARY_H */