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irc: decode/encode only text in IRC messages and not the headers (bug #29886, closes #218, closes #451)

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This commit is contained in:
Sébastien Helleu
2015-06-27 17:00:53 +02:00
parent fdd9c03e5a
commit 0ff8d7b543
40 changed files with 702 additions and 157 deletions
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src/plugins/irc/irc-message.c
+118 -17
View File
@@ -30,21 +30,37 @@
/*
* Parses an IRC message and returns pointers to:
* - tags
* - message without tags
* - host
* - command
* - channel
* - target nick
* - arguments (if any)
* Parses an IRC message and returns:
* - tags (string)
* - message without tags (string)
* - nick (string)
* - host (string)
* - command (string)
* - channel (string)
* - arguments (string)
* - text (string)
* - pos_text (integer: text index in message)
*
* Example:
* @time=2015-06-27T16:40:35.000Z :nick!user@host PRIVMSG #weechat :hello!
*
* Result:
* tags: "time=2015-06-27T16:40:35.000Z"
* msg_without_tags: ":nick!user@host PRIVMSG #weechat :hello!"
* nick: "nick"
* host: "nick!user@host"
* command: "PRIVMSG"
* channel: "#weechat"
* arguments: "#weechat :hello!"
* text: "hello!"
* pos_text: 65
*/
void
irc_message_parse (struct t_irc_server *server, const char *message,
char **tags, char **message_without_tags, char **nick,
char **host, char **command, char **channel,
char **arguments)
char **arguments, char **text, int *pos_text)
{
const char *ptr_message, *pos, *pos2, *pos3, *pos4;
@@ -62,6 +78,10 @@ irc_message_parse (struct t_irc_server *server, const char *message,
*channel = NULL;
if (arguments)
*arguments = NULL;
if (text)
*text = NULL;
if (pos_text)
*pos_text = -1;
if (!message)
return;
@@ -71,7 +91,7 @@ irc_message_parse (struct t_irc_server *server, const char *message,
/*
* we will use this message as example:
*
* @tags :FlashCode!n=flash@host.com PRIVMSG #channel :hello!
* @time=2015-06-27T16:40:35.000Z :nick!user@host PRIVMSG #weechat :hello!
*/
if (ptr_message[0] == '@')
@@ -85,7 +105,10 @@ irc_message_parse (struct t_irc_server *server, const char *message,
if (pos)
{
if (tags)
*tags = weechat_strndup (message + 1, pos - (message + 1));
{
*tags = weechat_strndup (ptr_message + 1,
pos - (ptr_message + 1));
}
ptr_message = pos + 1;
while (ptr_message[0] == ' ')
{
@@ -97,7 +120,7 @@ irc_message_parse (struct t_irc_server *server, const char *message,
if (message_without_tags)
*message_without_tags = strdup (ptr_message);
/* now we have: ptr_message --> ":FlashCode!n=flash@host.com PRIVMSG #channel :hello!" */
/* now we have: ptr_message --> ":nick!user@host PRIVMSG #weechat :hello!" */
if (ptr_message[0] == ':')
{
/* read host/nick */
@@ -135,7 +158,7 @@ irc_message_parse (struct t_irc_server *server, const char *message,
}
}
/* now we have: ptr_message --> "PRIVMSG #channel :hello!" */
/* now we have: ptr_message --> "PRIVMSG #weechat :hello!" */
if (ptr_message[0])
{
pos = strchr (ptr_message, ' ');
@@ -148,7 +171,7 @@ irc_message_parse (struct t_irc_server *server, const char *message,
{
pos++;
}
/* now we have: pos --> "#channel :hello!" */
/* now we have: pos --> "#weechat :hello!" */
if (arguments)
*arguments = strdup (pos);
if ((pos[0] == ':')
@@ -157,7 +180,14 @@ irc_message_parse (struct t_irc_server *server, const char *message,
{
pos++;
}
if (pos[0] != ':')
if (pos[0] == ':')
{
if (text)
*text = strdup (pos + 1);
if (pos_text)
*pos_text = pos - message + 1;
}
else
{
if (irc_channel_is_channel (server, pos))
{
@@ -169,6 +199,19 @@ irc_message_parse (struct t_irc_server *server, const char *message,
else
*channel = strdup (pos);
}
if (pos2)
{
while (pos2[0] == ' ')
{
pos2++;
}
if (pos2[0] == ':')
pos2++;
if (text)
*text = strdup (pos2);
if (pos_text)
*pos_text = pos2 - message;
}
}
else
{
@@ -198,6 +241,19 @@ irc_message_parse (struct t_irc_server *server, const char *message,
else
*channel = strdup (pos2);
}
if (pos4)
{
while (pos4[0] == ' ')
{
pos4++;
}
if (pos4[0] == ':')
pos4++;
if (text)
*text = strdup (pos4);
if (pos_text)
*pos_text = pos4 - message;
}
}
else if (channel && !*channel)
{
@@ -224,6 +280,8 @@ irc_message_parse (struct t_irc_server *server, const char *message,
* - command
* - channel
* - arguments
* - text
* - pos_text
*
* Note: hashtable must be freed after use.
*/
@@ -233,12 +291,14 @@ irc_message_parse_to_hashtable (struct t_irc_server *server,
const char *message)
{
char *tags,*message_without_tags, *nick, *host, *command, *channel;
char *arguments;
char *arguments, *text, str_pos_text[32];
char empty_str[1] = { '\0' };
int pos_text;
struct t_hashtable *hashtable;
irc_message_parse (server, message, &tags, &message_without_tags, &nick,
&host, &command, &channel, &arguments);
&host, &command, &channel, &arguments, &text,
&pos_text);
hashtable = weechat_hashtable_new (32,
WEECHAT_HASHTABLE_STRING,
@@ -262,6 +322,10 @@ irc_message_parse_to_hashtable (struct t_irc_server *server,
(channel) ? channel : empty_str);
weechat_hashtable_set (hashtable, "arguments",
(arguments) ? arguments : empty_str);
weechat_hashtable_set (hashtable, "text",
(text) ? text : empty_str);
snprintf (str_pos_text, sizeof (str_pos_text), "%d", pos_text);
weechat_hashtable_set (hashtable, "pos_text", str_pos_text);
if (tags)
free (tags);
@@ -277,10 +341,47 @@ irc_message_parse_to_hashtable (struct t_irc_server *server,
free (channel);
if (arguments)
free (arguments);
if (text)
free (text);
return hashtable;
}
/*
* Encodes/decodes an IRC message using a charset.
*/
char *
irc_message_convert_charset (const char *message, int pos_start,
const char *modifier, const char *modifier_data)
{
char *text, *msg_result;
int length;
text = weechat_hook_modifier_exec (modifier, modifier_data,
message + pos_start);
if (!text)
return NULL;
length = pos_start + strlen (text) + 1;
msg_result = malloc (length);
if (msg_result)
{
msg_result[0] = '\0';
if (pos_start > 0)
{
memcpy (msg_result, message, pos_start);
msg_result[pos_start] = '\0';
}
strcat (msg_result, text);
}
free (text);
return msg_result;
}
/*
* Gets nick from host in an IRC message.
*/