im.pidgin.pidgin: 68d63cab97f8861a7a080c3103d5e24a31587473

sadrul at pidgin.im sadrul at pidgin.im
Fri Oct 12 07:50:32 EDT 2007


-----------------------------------------------------------------
Revision: 68d63cab97f8861a7a080c3103d5e24a31587473
Ancestor: 4d9fac4aab275ee133ce860edc469e0e5c4734ff
Author: sadrul at pidgin.im
Date: 2007-10-12T11:51:13
Branch: im.pidgin.pidgin

Modified files:
        libpurple/plugins/log_reader.c

ChangeLog: 

Patch from QuLogic to add support for aMSN logs from the log-reader plugin.
This is really awesome!
Closes #3497.

-------------- next part --------------
============================================================
--- libpurple/plugins/log_reader.c	b9efb34aa6dd084cdb8a93deb9554017c3347ce4
+++ libpurple/plugins/log_reader.c	59931ccc492d9f2d432e0a39a538005c8d679d34
@@ -2098,6 +2098,361 @@ static void qip_logger_finalize(PurpleLo
 	g_free(data);
 }
 
+/*************************************************************************
+ * aMSN Logger                                                           *
+ *************************************************************************/
+
+/* The aMSN logger doesn't write logs, only reads them.  This is to include
+ * aMSN logs in the log viewer transparently.
+ */
+
+static PurpleLogLogger *amsn_logger;
+
+struct amsn_logger_data {
+	char *path;
+	int offset;
+	int length;
+};
+
+#define AMSN_LOG_CONV_START "|\"LRED[Conversation started on "
+#define AMSN_LOG_CONV_END "|\"LRED[You have closed the window on "
+#define AMSN_LOG_CONV_EXTRA "01 Aug 2001 00:00:00]"
+
+/* `log_dir`/username at hotmail.com/logs/buddyname at hotmail.com.log */
+/* `log_dir`/username at hotmail.com/logs/Month Year/buddyname at hotmail.com.log */
+static GList *amsn_logger_list(PurpleLogType type, const char *sn, PurpleAccount *account)
+{
+	GList *list = NULL;
+	struct amsn_logger_data *data;
+	const char *logdir;
+	char *username;
+	char *log_path;
+	char *buddy_log;
+	char *filename;
+	GDir *dir;
+	const char *name;
+	GError *error;
+	char *contents;
+	PurpleLog *log;
+	GList *files = NULL;
+	GList *f;
+
+	logdir = purple_prefs_get_string("/plugins/core/log_reader/amsn/log_directory");
+
+	/* By clearing the log directory path, this logger can be (effectively) disabled. */
+	if (!logdir || !*logdir)
+		return NULL;
+
+	/* aMSN only works with MSN/WLM */
+	if (strcmp(account->protocol_id, "prpl-msn"))
+		return NULL;
+
+	username = g_strdup(purple_normalize(account, account->username));
+	buddy_log = g_strdup_printf("%s.log", purple_normalize(account, sn));
+	log_path = g_build_filename(logdir, username, "logs", NULL);
+
+	/* First check in the top-level */
+	filename = g_build_filename(log_path, buddy_log, NULL);
+	if (g_file_test(filename, G_FILE_TEST_EXISTS))
+		files = g_list_prepend(files, filename);
+	else
+		g_free(filename);
+
+	/* Check in previous months */
+	dir = g_dir_open(log_path, 0, NULL);
+	if (dir) {
+		while ((name = g_dir_read_name(dir)) != NULL) {
+			filename = g_build_filename(log_path, name, buddy_log, NULL);
+			if (g_file_test(filename, G_FILE_TEST_EXISTS))
+				files = g_list_prepend(files, filename);
+			else
+				g_free(filename);
+		}
+		g_dir_close(dir);
+	}
+
+	g_free(log_path);
+
+	/* New versions use 'friendlier' directory names */
+	purple_util_chrreplace(username, '@', '_');
+	purple_util_chrreplace(username, '.', '_');
+
+	log_path = g_build_filename(logdir, username, "logs", NULL);
+
+	/* First check in the top-level */
+	filename = g_build_filename(log_path, buddy_log, NULL);
+	if (g_file_test(filename, G_FILE_TEST_EXISTS))
+		files = g_list_prepend(files, filename);
+	else
+		g_free(filename);
+
+	/* Check in previous months */
+	dir = g_dir_open(log_path, 0, NULL);
+	if (dir) {
+		while ((name = g_dir_read_name(dir)) != NULL) {
+			filename = g_build_filename(log_path, name, buddy_log, NULL);
+			if (g_file_test(filename, G_FILE_TEST_EXISTS))
+				files = g_list_prepend(files, filename);
+			else
+				g_free(filename);
+		}
+		g_dir_close(dir);
+	}
+
+	g_free(log_path);
+	g_free(username);
+	g_free(buddy_log);
+
+	/* Loop through files looking for logs */
+	for(f = g_list_first(files); f; f = g_list_next(f)) {
+		filename = f->data;
+		purple_debug_info("aMSN logger", "Reading %s\n", filename);
+		error = NULL;
+		if (!g_file_get_contents(filename, &contents, NULL, &error)) {
+			purple_debug_error("aMSN logger",
+			                   "Couldn't read file %s: %s \n", filename,
+			                   (error && error->message) ?
+			                    error->message : "Unknown error");
+			if (error)
+				g_error_free(error);
+		} else {
+			char *c = contents;
+			gboolean found_start = FALSE;
+			char *start_log = c;
+			int offset = 0;
+			struct tm tm;
+			while (c && *c) {
+				if (purple_str_has_prefix(c, AMSN_LOG_CONV_START)) {
+					char month[4];
+					if (sscanf(c + strlen(AMSN_LOG_CONV_START),
+					           "%u %3s %u %u:%u:%u",
+					           &tm.tm_mday, (char*)&month, &tm.tm_year,
+					           &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) {
+						found_start = FALSE;
+						purple_debug_error("aMSN logger",
+						                   "Error parsing start date for %s\n",
+						                   filename);
+					} else {
+						const char *months[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
+								"Jul", "Aug", "Sep", "Oct", "Nov", "Dec", NULL};
+						tm.tm_year -= 1900;
+
+						/* Let the C library deal with
+						 * daylight savings time.
+						 */
+						tm.tm_isdst = -1;
+
+						/* Ugly hack, in case current locale
+						 * is not English. This code is taken
+						 * from log.c.
+						 */
+						for (tm.tm_mon = 0; months[tm.tm_mon]; tm.tm_mon++) {
+							if (strcmp(month, months[tm.tm_mon]) == 0)
+								break;
+						}
+						found_start = TRUE;
+						offset = c - contents;
+						start_log = c;
+					}
+				} else if (purple_str_has_prefix(c, AMSN_LOG_CONV_END) && found_start) {
+					data = g_new0(struct amsn_logger_data, 1);
+					data->path = g_strdup(filename);
+					data->offset = offset;
+					data->length = c - start_log
+					             + strlen(AMSN_LOG_CONV_END)
+					             + strlen(AMSN_LOG_CONV_EXTRA);
+					log = purple_log_new(PURPLE_LOG_IM, sn, account, NULL, mktime(&tm), NULL);
+					log->logger = amsn_logger;
+					log->logger_data = data;
+					list = g_list_prepend(list, log);
+					found_start = FALSE;
+
+					purple_debug_info("aMSN logger",
+					                  "Found log for %s:"
+					                  " path = (%s),"
+					                  " offset = (%d),"
+					                  " length = (%d)\n",
+					                  sn, data->path, data->offset, data->length);
+				}
+				c = strstr(c, "\n");
+				c++;
+			}
+
+			/* I've seen the file end without the AMSN_LOG_CONV_END bit */
+			if (found_start) {
+				data = g_new0(struct amsn_logger_data, 1);
+				data->path = g_strdup(filename);
+				data->offset = offset;
+				data->length = c - start_log
+					             + strlen(AMSN_LOG_CONV_END)
+					             + strlen(AMSN_LOG_CONV_EXTRA);
+				log = purple_log_new(PURPLE_LOG_IM, sn, account, NULL, mktime(&tm), NULL);
+				log->logger = amsn_logger;
+				log->logger_data = data;
+				list = g_list_prepend(list, log);
+				found_start = FALSE;
+
+				purple_debug_info("aMSN logger",
+				                  "Found log for %s:"
+				                  " path = (%s),"
+				                  " offset = (%d),"
+				                  " length = (%d)\n",
+				                  sn, data->path, data->offset, data->length);
+			}
+			g_free(contents);
+		}
+		g_free(filename);
+	}
+
+	g_list_free(files);
+
+	return list;
+}
+
+/* Really it's |"L, but the string's been escaped */
+#define AMSN_LOG_FORMAT_TAG "|"L"
+
+static char *amsn_logger_read(PurpleLog *log, PurpleLogReadFlags *flags)
+{
+	struct amsn_logger_data *data;
+	FILE *file;
+	char *contents;
+	char *escaped;
+	GString *formatted;
+	char *start;
+	gboolean in_span = FALSE;
+
+	if (flags != NULL)
+		*flags = PURPLE_LOG_READ_NO_NEWLINE;
+
+	g_return_val_if_fail(log != NULL, g_strdup(""));
+
+	data = log->logger_data;
+
+	g_return_val_if_fail(data->path != NULL, g_strdup(""));
+	g_return_val_if_fail(data->length > 0, g_strdup(""));
+
+	contents = g_malloc(data->length + 2);
+
+	file = g_fopen(data->path, "rb");
+	g_return_val_if_fail(file != NULL, g_strdup(""));
+	
+	fseek(file, data->offset, SEEK_SET);
+	fread(contents, data->length, 1, file);
+	fclose(file);
+
+	contents[data->length] = '\n';
+	contents[data->length + 1] = '\0';
+
+	escaped = g_markup_escape_text(contents, -1);
+	g_free(contents);
+	contents = escaped;
+
+	formatted = g_string_sized_new(data->length + 2);
+
+	start = contents;
+	while (start && *start) {
+		char *end;
+		char *old_tag;
+		char *tag;
+		end = strstr(start, "\n");
+		if (!end)
+			break;
+		*end = '\0';
+		if (purple_str_has_prefix(start, AMSN_LOG_FORMAT_TAG) && in_span) {
+			/* New format for this line */
+			g_string_append(formatted, "</span><br>");
+			in_span = FALSE;
+		} else if (start != contents) {
+			/* Continue format from previous line */
+			g_string_append(formatted, "<br>");
+		}
+		old_tag = start;
+		tag = strstr(start, AMSN_LOG_FORMAT_TAG);
+		while (tag) {
+			g_string_append_len(formatted, old_tag, tag - old_tag);
+			tag += strlen(AMSN_LOG_FORMAT_TAG);
+			if (in_span) {
+				g_string_append(formatted, "</span>");
+				in_span = FALSE;
+			}
+			if (*tag == 'C') {
+				/* |"LCxxxxxx is a hex colour */
+				char colour[7];
+				strncpy(colour, tag + 1, 6);
+				colour[6] = '\0';
+				g_string_append_printf(formatted, "<span style=\"color: #%s;\">", colour);
+				/* This doesn't appear to work? */
+				/* g_string_append_printf(formatted, "<span style=\"color: #%6s;\">", tag + 1); */
+				in_span = TRUE;
+				old_tag = tag + 7; /* C + xxxxxx */
+			} else {
+				/* |"Lxxx is a 3-digit colour code */
+				if (purple_str_has_prefix(tag, "RED")) {
+					g_string_append(formatted, "<span style=\"color: red;\">");
+					in_span = TRUE;
+				} else if (purple_str_has_prefix(tag, "GRA")) {
+					g_string_append(formatted, "<span style=\"color: gray;\">");
+					in_span = TRUE;
+				} else if (purple_str_has_prefix(tag, "NOR")) {
+					g_string_append(formatted, "<span style=\"color: black;\">");
+					in_span = TRUE;
+				} else if (purple_str_has_prefix(tag, "ITA")) {
+					g_string_append(formatted, "<span style=\"color: blue;\">");
+					in_span = TRUE;
+				} else if (purple_str_has_prefix(tag, "GRE")) {
+					g_string_append(formatted, "<span style=\"color: darkgreen;\">");
+					in_span = TRUE;
+				} else {
+					purple_debug_info("aMSN logger", "Unknown colour format: %3s\n", tag);
+				}
+				old_tag = tag + 3;
+			}
+			tag = strstr(tag, AMSN_LOG_FORMAT_TAG);
+		}
+		g_string_append(formatted, old_tag);
+		start = end + 1;
+	}
+	if (in_span)
+		g_string_append(formatted, "</span>");
+
+	g_free(contents);
+
+	return g_string_free(formatted, FALSE);
+}
+
+static int amsn_logger_size(PurpleLog *log)
+{
+	struct amsn_logger_data *data;
+	char *text;
+	int size;
+
+	g_return_val_if_fail(log != NULL, 0);
+
+	data = log->logger_data;
+	
+	if (purple_prefs_get_bool("/plugins/core/log_reader/fast_sizes")) {
+		return data ? data->length : 0;
+	}
+
+	text = amsn_logger_read(log, NULL);
+	size = strlen(text);
+	g_free(text);
+
+	return size;
+}
+
+static void amsn_logger_finalize(PurpleLog *log)
+{
+	struct amsn_logger_data *data;
+
+	g_return_if_fail(log != NULL);
+
+	data = log->logger_data;
+	g_free(data->path);
+	g_free(data);
+}
+
 /*****************************************************************************
  * Plugin Code                                                               *
  *****************************************************************************/
@@ -2347,6 +2702,19 @@ init_plugin(PurplePlugin *plugin)
 #endif
 	purple_prefs_add_string("/plugins/core/log_reader/qip/log_directory", path ? path : "");
 	g_free(path);
+
+	/* Add aMSN Messenger log directory preference. */
+	purple_prefs_add_none("/plugins/core/log_reader/amsn");
+
+	/* Calculate default aMSN log directory. */
+#ifdef _WIN32
+	folder = wpurple_get_special_folder(CSIDL_PROFILE); /* Silly aMSN, not using CSIDL_APPDATA */
+	path = g_build_filename(folder, "amsn", NULL);
+#else
+	path = g_build_filename(purple_home_dir(), ".amsn", NULL);
+#endif
+	purple_prefs_add_string("/plugins/core/log_reader/amsn/log_directory", path);
+	g_free(path);
 }
 
 static gboolean
@@ -2429,6 +2797,18 @@ plugin_load(PurplePlugin *plugin)
 										  trillian_logger_size);
 	purple_log_logger_add(trillian_logger);
 
+	/* The names of IM clients are marked for translation at the request of
+	   translators who wanted to transliterate them.  Many translators
+	   choose to leave them alone.  Choose what's best for your language. */
+	amsn_logger = purple_log_logger_new("amsn", _("aMSN"), 6,
+									   NULL,
+									   NULL,
+									   amsn_logger_finalize,
+									   amsn_logger_list,
+									   amsn_logger_read,
+									   amsn_logger_size);
+	purple_log_logger_add(amsn_logger);
+
 	return TRUE;
 }
 
@@ -2445,6 +2825,7 @@ plugin_unload(PurplePlugin *plugin)
 	purple_log_logger_remove(msn_logger);
 	purple_log_logger_remove(trillian_logger);
 	purple_log_logger_remove(qip_logger);
+	purple_log_logger_remove(amsn_logger);
 
 	return TRUE;
 }
@@ -2505,6 +2886,10 @@ get_plugin_pref_frame(PurplePlugin *plug
 		"/plugins/core/log_reader/trillian/log_directory", _("Trillian"));
 	purple_plugin_pref_frame_add(frame, ppref);
 
+	ppref = purple_plugin_pref_new_with_name_and_label(
+		"/plugins/core/log_reader/amsn/log_directory", _("aMSN"));
+	purple_plugin_pref_frame_add(frame, ppref);
+
 	return frame;
 }
 


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