Add preliminary support for "nick: message" detection
parent
44e56e0884
commit
562f112995
157
itte.lua
157
itte.lua
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@ -25,6 +25,7 @@ itte.config = {
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debug = false,
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admin_handlers = { "connect", "quit", "reload", "servers", "join", "part" },
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task_handler_prefix = "th_",
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target_handler = "target",
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messages = {
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connect_success = "Connected to {{server}}.",
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help = "Service codes available: {{codes}}",
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@ -249,6 +250,18 @@ function itte.get_commands(svr)
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check = nil,
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resp = "QUIT :",
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},
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target_private = {
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-- Like privmsg but targets bot nick in a direct message
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-- Escape magic character "-"
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check = "PRIVMSG(.*)" .. string.gsub(svr.nick, "-", "%%-") .. ":",
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resp = "PRIVMSG ",
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},
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target_public = {
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-- Like privmsg but targets bot nick in a channel
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-- Escape magic character "-"
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check = "PRIVMSG(.*)#(.*):" .. string.gsub(svr.nick, "-", "%%-"),
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resp = "PRIVMSG ",
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},
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user = {
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check = "NOTICE",
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resp = "USER " .. svr.auth_user .. " 0 * " .. svr.auth_user,
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@ -585,58 +598,91 @@ function itte.traverse_channels(cxt, mode, chans)
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end
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itte.docs.parse_privmsg = [[ (context_table, data_str)
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Given the context table and a PRIVMSG data string, parse the string and
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return an associative table of values.
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itte.docs.parse_privmsg = [[ (context_table, data_str [, mode_str])
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Given the context table, a PRIVMSG data string and mode, parse the string and
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return an associative table of values. If "code" mode is specified, it will
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check the body for a service code. If "target" mode is specified, it will
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extract the message body excluding the bot nick, but will not look for a
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service code. The default mode is "code" if no mode is specified.
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]]
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function itte.parse_privmsg(cxt, str)
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local code_full = ""
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function itte.parse_privmsg(cxt, str, mode)
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local msg = {}
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-- Separator marks the start of the message body
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body_sep, _ = string.find(str, ":", 2)
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-- Service code found with specified prefix
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if util.is_substr(str, ":" .. cxt.code_prefix) then
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code_full = string.sub(str, string.find(str, ":" ..
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cxt.code_prefix) + 1 + string.len(cxt.code_prefix))
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end
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local msg = {
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sender = string.sub(str, string.find(str, "!") + 2,
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string.find(str, "@") - 1),
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recipient = string.sub(str, string.find(str, "PRIVMSG") + 8,
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string.find(str, ":" .. cxt.code_prefix) - 2),
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reply_to = string.sub(str, string.find(str, "!") + 2,
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string.find(str, "@") - 1),
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body = string.sub(str, body_sep + 1),
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}
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if util.is_substr(code_full, " ") then
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msg.code = string.sub(code_full, 0, string.find(code_full, " ") - 1)
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msg.code_params = util.split_str(string.sub(code_full,
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string.find(code_full, " ") + 1))
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-- Message in the format `[nick]: [body]`
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if mode == "target" then
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msg = {
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sender = string.sub(str, string.find(str, "!") + 2,
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string.find(str, "@") - 1),
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-- Escape magic character "-" in the nick
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recipient = string.sub(str, string.find(str, "PRIVMSG") + 8,
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string.find(str, ":" .. string.gsub(cxt.nick, "-", "%%-")) - 2),
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reply_to = string.sub(str, string.find(str, "!") + 2,
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string.find(str, "@") - 1),
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body = string.gsub(string.sub(str, body_sep + 2 +
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string.len(cxt.nick)), "^%s", ""),
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}
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-- Reply to sender by default (private message), or reply in a channel if
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-- original message recipient is a channel.
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if util.is_substr(msg.recipient, "#") then
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msg.reply_to = msg.recipient
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end
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util.debug(itte.config.debugs.privmsg[1], "{ " ..
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itte.config.debugs.privmsg[2] .. ": " .. msg.sender ..
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", " .. itte.config.debugs.privmsg[3] .. ": " .. msg.recipient ..
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", " .. itte.config.debugs.privmsg[4] .. ": " .. msg.reply_to ..
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", " .. itte.config.debugs.privmsg[7] .. ": " .. msg.body ..
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" }", itte.config.debug)
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-- Message in the format `[code] [params]`
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else
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msg.code = code_full
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msg.code_params = {}
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end
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-- Reply to sender by default (private message), or reply in a channel if
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-- original message recipient is a channel.
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if util.is_substr(msg.recipient, "#") then
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msg.reply_to = msg.recipient
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end
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local code_full = ""
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-- Service code found with specified prefix
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if util.is_substr(str, ":" .. cxt.code_prefix) then
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code_full = string.sub(str, string.find(str, ":" ..
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cxt.code_prefix) + 1 + string.len(cxt.code_prefix))
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end
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msg = {
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sender = string.sub(str, string.find(str, "!") + 2,
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string.find(str, "@") - 1),
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recipient = string.sub(str, string.find(str, "PRIVMSG") + 8,
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string.find(str, ":" .. cxt.code_prefix) - 2),
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reply_to = string.sub(str, string.find(str, "!") + 2,
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string.find(str, "@") - 1),
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body = string.sub(str, body_sep + 1),
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}
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if util.is_substr(code_full, " ") then
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msg.code = string.sub(code_full, 0, string.find(code_full, " ") - 1)
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msg.code_params = util.split_str(string.sub(code_full,
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string.find(code_full, " ") + 1))
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-- Redact debug output for admin-only handlers to avoid logging passwords.
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local body = msg.body
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local code_params = table.concat(msg.code_params, " ")
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if util.has_key(itte.config.admin_handlers, msg.code) then
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body = itte.config.debugs.redact[1]
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code_params = itte.config.debugs.redact[1]
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else
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msg.code = code_full
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msg.code_params = {}
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end
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-- Reply to sender by default (private message), or reply in a channel if
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-- original message recipient is a channel.
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if util.is_substr(msg.recipient, "#") then
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msg.reply_to = msg.recipient
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end
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-- Redact debug output for admin-only handlers to avoid logging passwords.
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local body = msg.body
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local code_params = table.concat(msg.code_params, " ")
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if util.has_key(itte.config.admin_handlers, msg.code) then
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body = itte.config.debugs.redact[1]
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code_params = itte.config.debugs.redact[1]
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end
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util.debug(itte.config.debugs.privmsg[1], "{ " ..
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itte.config.debugs.privmsg[2] .. ": " .. msg.sender ..
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", " .. itte.config.debugs.privmsg[3] .. ": " .. msg.recipient ..
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", " .. itte.config.debugs.privmsg[4] .. ": " .. msg.reply_to ..
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", " .. itte.config.debugs.privmsg[5] .. ": " .. msg.code ..
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", " .. itte.config.debugs.privmsg[6] .. ": " .. code_params ..
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", " .. itte.config.debugs.privmsg[7] .. ": " .. body ..
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" }", itte.config.debug)
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end
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util.debug(itte.config.debugs.privmsg[1], "{ " ..
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itte.config.debugs.privmsg[2] .. ": " .. msg.sender ..
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", " .. itte.config.debugs.privmsg[3] .. ": " .. msg.recipient ..
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", " .. itte.config.debugs.privmsg[4] .. ": " .. msg.reply_to ..
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", " .. itte.config.debugs.privmsg[5] .. ": " .. msg.code ..
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", " .. itte.config.debugs.privmsg[6] .. ": " .. code_params ..
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", " .. itte.config.debugs.privmsg[7] .. ": " .. body ..
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" }", itte.config.debug)
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return msg
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end
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@ -818,9 +864,10 @@ function itte._h.help(cxt, msg)
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end
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local custom_h = util.table_keys(itte.handlers)
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-- Remove task handlers
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-- Remove target and task handlers
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for h = 1, #custom_h do
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if string.find(custom_h[h], itte.config.task_handler_prefix) == 1 then
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if (string.find(custom_h[h], itte.config.target_handler) == 1) or
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(string.find(custom_h[h], itte.config.task_handler_prefix) == 1) then
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custom_h[h] = nil
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end
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end
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@ -902,8 +949,9 @@ function itte.listen(name, str)
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util.debug(itte.config.debugs.listen[1], str, itte.config.debug)
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end
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-- Ignore calls to task handlers
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if (string.find(msg.code, itte.config.task_handler_prefix) == 1) then
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-- Ignore calls to the target and task handlers
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if (string.find(msg.code, itte.config.target_handler) == 1) or
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(string.find(msg.code, itte.config.task_handler_prefix) == 1) then
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do return end
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-- Check for the service code in the functions table before attempting to
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-- call the function.
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@ -920,6 +968,17 @@ function itte.listen(name, str)
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end
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end
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-- Respond to direct address in a channel
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elseif (util.is_substr(str, cxt.cmds.target_public.check)) or
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(util.is_substr(str, cxt.cmds.target_private.check)) then
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util.debug(itte.config.debugs.listen[1], str, itte.config.debug)
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local msg = itte.parse_privmsg(cxt, str, "target")
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-- Check for the target handler function before attempting to call it.
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if util.has_key(itte.handlers, itte.config.target_handler) then
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itte.handlers[itte.config.target_handler](cxt, msg)
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end
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-- Output to stdout anyway if debug is enabled
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else
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util.debug(itte.config.debugs.listen[1], str, itte.config.debug)
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