From 9ae206e08eaf26c9d3c8539748c8854a1eda10b2 Mon Sep 17 00:00:00 2001 From: Berke Viktor Date: Tue, 30 Oct 2012 13:39:04 +0100 Subject: Initial conversion of the Perl interface docs to Markdown --- share/doc/perl.md | 962 ++++++++++++++++++++++++------------------------------ 1 file changed, 431 insertions(+), 531 deletions(-) (limited to 'share/doc/perl.md') diff --git a/share/doc/perl.md b/share/doc/perl.md index b139c5bb..de253e6b 100644 --- a/share/doc/perl.md +++ b/share/doc/perl.md @@ -1,126 +1,88 @@ # HexChat Perl Interface -(This file is currently not converted properly to Markdown format.) - -

Introduction

-

This is the new Perl interface for X-Chat 2. However, due to changes in -xchat's plugin code you will need xchat 2.0.8 or above to load this. Scripts -written using the old interface will continue to work. If there are any -problems, questions, comments or suggestions please email them to the address -on the bottom of this page.

-

-

-

Constants

-

-

-

Priorities

- -

-

-

Return values

- -

-

-

Timer and fd hooks

- -

-

-

hook_fd flags

- -

-

-

Functions

-

-

-

Xchat::register( $name, $version, [$description,[$callback]] )

- -

This is the first thing to call in every script.

-

-

-

Xchat::hook_server( $message, $callback, [\%options] )

-

-

-

Xchat::hook_command( $command, $callback, [\%options] )

-

-

-

Xchat::hook_print( $event,$callback, [\%options] )

-

-

-

Xchat::hook_timer( $timeout,$callback, [\%options | $data] )

-

-

-

Xchat::hook_fd( $handle, $callback, [ \%options ] )

-

These functions can be to intercept various events. -hook_server can be used to intercept any incoming message from the IRC server. -hook_command can be used to intercept any command, if the command doesn't currently exist then a new one is created. -hook_print can be used to intercept any of the events listed in Setttings->Advanced->Text Events -hook_timer can be used to create a new timer

- -

Valid keys for \%options:

+ function or an anonymous sub reference. + * **`\%options`** - a hash reference containing addional options for the hooks + +Valid keys for \%options: +
data Additional data that is to be associated with the
hook. For timer hooks this value can be provided either as
@@ -166,10 +128,13 @@ hook_timer can be used to create a new timer

Default is Xchat::FD_READ

-

-

When callbacks are invoked

-

Each of the hooks will be triggered at different times depending on the type -of hook.

+ + +#### When callbacks are invoked + +Each of the hooks will be triggered at different times depending on the type +of hook. + @@ -196,65 +161,65 @@ of hook.

See hook_fd flags section. -
Hook Type When the callback will be invoked

The value return from these hook functions can be passed to Xchat::unhook -to remove the hook.

-

-

-

Callback Arguments

-

All callback functions will receive their arguments in @_ like every -other Perl subroutine.

-

-Server and command callbacks
-
-$_[0] - array reference containing the IRC message or command and -arguments broken into words
-example:
-/command arg1 arg2 arg3
-$_[0][0] - command
-$_[0][1] - arg1
-$_[0][2] - arg2
-$_[0][3] - arg3
-
-$_[1] - array reference containing the Nth word to the last word
-example:
-/command arg1 arg2 arg3
-$_[1][0] - command arg1 arg2 arg3
-$_[1][1] - arg1 arg2 arg3
-$_[1][2] - arg2 arg3
-$_[1][3] - arg3
-
-$_[2] - the data that was passed to the hook function
-
-Print callbacks
-
-$_[0] - array reference containing the values for the - text event see Settings->Advanced->Text Events
-$_[1] - the data that was passed to the hook function
-
-Timer callbacks
-
-$_[0] - the data that was passed to the hook function
-
fd callbacks
-
-$_[0] - the handle that was passed to hook_fd
-$_[1] - flags indicating why the callback was called
-$_[2] - the data that was passed to the hook function
-

-

-

Callback return values

-

All server, command and print callbacks should return one of -the Xchat::EAT_* constants. -Timer callbacks can return Xchat::REMOVE to remove -the timer or Xchat::KEEP to keep it going

-

-

-

Miscellaneous Hook Related Information

-

For server hooks, if $message is "RAW LINE" then $cb will be called for -every IRC message than X-Chat receives.

-

For command hooks if $command is "" then $cb will be called for -messages entered by the user that is not a command.

-

For print hooks besides those events listed in -Settings->Advanced->Text Events, these additional events can be used.

+ + +The value return from these hook functions can be passed to `Xchat::unhook` to remove the hook. + + +#### Callback Arguments + +All callback functions will receive their arguments in `@_` like every other Perl subroutine. + +Server and command callbacks + +`$_[0]` - array reference containing the IRC message or command and arguments broken into words +example: +/command arg1 arg2 arg3 +`$_[0][0]` - command +`$_[0][1]` - arg1 +`$_[0][2]` - arg2 +`$_[0][3]` - arg3 + +`$_[1]` - array reference containing the Nth word to the last word +example: +/command arg1 arg2 arg3 +`$_[1][0]` - command arg1 arg2 arg3 +`$_[1][1]` - arg1 arg2 arg3 +`$_[1][2]` - arg2 arg3 +`$_[1][3]` - arg3 + +`$_[2]` - the data that was passed to the hook function + +Print callbacks + +`$_[0]` - array reference containing the values for the text event, see _Settings_ `->` _Text Events_ +`$_[1]` - the data that was passed to the hook function + +Timer callbacks + +`$_[0]` - the data that was passed to the hook function + +fd callbacks + +`$_[0]` - the handle that was passed to hook\_fd +`$_[1]` - flags indicating why the callback was called +`$_[2]` - the data that was passed to the hook function + + +#### Callback return values + +All server, command and print callbacks should return one of the `Xchat::EAT_*` constants. +Timer callbacks can return `Xchat::REMOVE` to remove the timer or `Xchat::KEEP` to keep it going. + + +#### Miscellaneous Hook Related Information + +For server hooks, if `$message` is "RAW LINE" then `$cb`> will be called for every IRC message that HexChat receives. + +For command hooks if `$command` is "" then `$cb` will be called for messages entered by the user that is not a command. + +For print hooks besides those events listed in _Settings_ `->` _Text Events_, these additional events can be used. + @@ -284,126 +249,103 @@ Settings->Advanced->Text Events, these additional events can be used.

$_[0][3] - length of the string in $_[0][2]
-
Event Description

-

-

Xchat::unhook( $hook )

- -

This function is used to removed a hook previously added with one of -the Xchat::hook_* functions

-

It returns the data that was passed to the Xchat::hook_* function when -the hook was added

-

-

-

Xchat::print( $text | \@lines, [$channel,[$server]] )

- -

The first argument can either be a string or an array reference of strings. -Either or both of $channel and $server can be undef.

-

If called as Xchat::print( $text ), it will always return true. + + + +### `Xchat::unhook( $hook )` + + + * **`$hook` - the hook that was previously returned by one of the `Xchat::hook_*` functions** + +This function is used to removed a hook previously added with one of the `Xchat::hook_*` functions. + +It returns the data that was passed to the `Xchat::hook_*` function when the hook was added. + + +### `Xchat::print( $text | \@lines, [$channel,[$server]] )` + + * **`$text` - the text to print** + * **`\@lines` - array reference containing lines of text to be printed all the elements will be joined together before printing** + * **`$channel` - channel or tab with the given name where `$text` will be printed** + * **`$server` - specifies that the text will be printed in a channel or tab that is associated with `$server`** + +The first argument can either be a string or an array reference of strings. +Either or both of `$channel` and `$server` can be undef. + +If called as `Xchat::print( $text )`, it will always return true. If called with either the channel or the channel and the server specified then it will return true if a context is found and false otherwise. The text will not be printed if the context -is not found. The meaning of setting $channel or $server to -undef is the same as -find_context.

-

-

-

Xchat::printf( $format, LIST )

- -

-

-

Xchat::command( $command | \@commands, [$channel,[$server]] )

- -

The first argument can either be a string or an array reference of strings. -Either or both of $channel and $server can be undef.

-

If called as Xchat::command( $command ), it will always return true. +is not found. The meaning of setting `$channel` or `$server` to +undef is the same as find\_context. + + +### `Xchat::printf( $format, LIST )` + + * **`$format` - a format string, see "perldoc -f [sprintf](http://perldoc.perl.org/functions/sprintf.html)" for further details** + * **`LIST` - list of values for the format fields** + + +### `Xchat::command( $command | \@commands, [$channel,[$server]] )` + + * **`$command` - the command to execute, without the leading /** + * **`\@commands` - array reference containing a list of commands to execute** + * **`$channel` - channel or tab with the given name where `$command` will be executed** + * **`$server` - specifies that the command will be executed in a channel or tab that is associated with `$server`** + +The first argument can either be a string or an array reference of strings. +Either or both of `$channel` and `$server` can be undef. + +If called as `Xchat::command( $command )`, it will always return true. If called with either the channel or the channel and the server specified then it will return true if a context is found and false otherwise. The command will not be executed if the context is not found. -The meaning of setting $channel or $server to undef is the same -as find_context.

-

-

-

Xchat::commandf( $format, LIST )

- -

-

-

Xchat::find_context( [$channel, [$server]] )

- -

Either or both of $channel and $server can be undef. Calling -Xchat::find_context() is the same as calling -Xchat::find_context( undef, undef) and -Xchat::find_context( $channel ) is -the same as Xchat::find_context( $channel, undef ).

-

If $server is undef, find any channel named $channel. -If $channel is undef, find the front most window -or tab named $server.If both $channel and -$server are undef, find the currently focused tab or window.

-

Return the context found for one of the above situations or undef if such -a context cannot be found.

-

-

-

Xchat::get_context()

-

Returns the current context.

-

-

-

Xchat::set_context( $context | $channel,[$server] )

- -

See find_context for more details on $channel and $server.

-

Returns true on success, false on failure

-

-

-

Xchat::get_info( $id )

- +The meaning of setting `$channel` or `$server` to undef is the same as find\_context. + + +### `Xchat::commandf( $format, LIST )` + + * **`$format` - a format string, see "perldoc -f [sprintf](http://perldoc.perl.org/functions/sprintf.html)" for further details** + * **`LIST` - list of values for the format fields** + + +### `Xchat::find_context( [$channel, [$server]] )` + + * **`$channel` - name of a channel** + * **`$server` - name of a server** + +Either or both of `$channel` and `$server` can be undef. Calling +`Xchat::find_context()` is the same as calling `Xchat::find_context( undef, undef)` and +`Xchat::find_context( $channel )` is the same as `Xchat::find_context( $channel, undef )`. + +If `$server` is undef, find any channel named `$channel`. If `$channel` is undef, find the front most window +or tab named `$server`.If both `$channel` and `$server` are undef, find the currently focused tab or window. + +Return the context found for one of the above situations or undef if such +a context cannot be found. + + +### `Xchat::get_context()` + +Returns the current context. + + +### `Xchat::set_context( $context | $channel,[$server] )` + + * **`$context` - context value as returned from `get_context`, `find_context` or one + of the fields in the list of hashrefs returned by `list_get`** + * **`$channel` - name of a channel you want to switch context to** + * **`$server` - name of a server you want to switch context to** + +See `find_context` for more details on `$channel` and `$server`. + +Returns true on success, false on failure. + + +### `Xchat::get_info( $id )` + + * **`$id` - one of the following case sensitive values** + @@ -421,7 +363,7 @@ a context cannot be found.

- - + @@ -488,10 +430,10 @@ a context cannot be found.

and "normal" - @@ -511,104 +453,87 @@ a context cannot be found.

-
ID Return value character-set used in the current context CHARSET
event_text <Event Name> text event format string for <Event name>
+ 		event\_text <Event Name> text event format string for <Event name>
Example:
1
@@ -471,7 +413,7 @@ a context cannot be found.
state_cursorstate\_cursor current inputbox cursor position in characters SETCURSOR
GUI
win_ptr native window pointer, GtkWindow * on Unix, HWND on Win32.
- On Unix if you have the Glib module installed you can use my $window = Glib::Object->new_from_pointer( Xchat::get_info( "win_ptr" ) ); to get a Gtk2::Window object.
- Additionally when you have detached tabs, each of the windows will return a different win_ptr for the different Gtk2::Window objects.
- See char_count.pl for a longer example of a script that uses this to show how many characters you currently have in your input box. + 		win\_ptr native window pointer, GtkWindow * on Unix, HWND on Win32.
+ On Unix if you have the Glib module installed you can use my $window = Glib::Object->new\_from\_pointer( Xchat::get_info( "win\_ptr" ) ); to get a Gtk2::Window object.
+ Additionally when you have detached tabs, each of the windows will return a different win\_ptr for the different Gtk2::Window objects.
+ See char\_count.pl for a longer example of a script that uses this to show how many characters you currently have in your input box.
hexchatdirfs same as hexchatdir except encoded in the locale file system encoding

This function is used to retrieve certain information about the current -context. If there is an associated command then that command can be used to change the value for a particular ID.

-

-

Xchat::get_prefs( $name )

- -

This function provides a way to retrieve X-Chat's setting information.

-

Returns undef if there is no setting called called $name.

-

-

-

Xchat::emit_print( $event, LIST )

- -

This functions is used to generate one of the events listed under -Settings->Advanced->Text Events

-

Note: when using this function you MUST return Xchat::EAT_ALL otherwise you will end up with duplicate events. -One is the original and the second is the one you emit.

-

Returns true on success, false on failure

-

-

-

Xchat::send_modes( $target | \@targets, $sign, $mode, [ $modes_per_line ] )

- -

Send multiple mode changes for the current channel. It may send multiple MODE lines if the request doesn't fit on one.

-

Example:

-
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use strict;
-use warning;
-use Xchat qw(:all);
-
-hook_command( "MODES", sub {
-   my (undef, $who, $sign, $mode) = @{$_[0]};
-   my @targets = split /,/, $who;
-   if( @targets > 1 ) {
-      send_modes( \@targets, $sign, $mode, 1 );
-   } else {
-      send_modes( $who, $sign, $mode );
+
+
+This function is used to retrieve certain information about the current
+context. If there is an associated command then that command can be used
+to change the value for a particular ID.
+
+
+### `Xchat::get_prefs( $name )`
+
+ * **`$name` - name of a HexChat setting (available through the /set command)
+
+This function provides a way to retrieve HexChat's setting information.
+
+Returns `undef` if there is no setting called called `$name`.
+
+
+### `Xchat::emit_print( $event, LIST )`
+
+ * **`$event` - name from the Event column in _Settings_ `->` _Text Events_**
+ * **`LIST` - this depends on the Description column on the bottom of _Settings_ `->` _Text Events_**
+
+This functions is used to generate one of the events listed under _Settings_ `->` _Text Events_.
+
+Note: when using this function you **must** return `Xchat::EAT_ALL` otherwise you will end up with duplicate events.
+One is the original and the second is the one you emit.
+
+Returns true on success, false on failure.
+
+
+### `Xchat::send_modes( $target | \@targets, $sign, $mode, [ $modes_per_line ] )`
+
+ * **`$target` - a single nick to set the mode on**
+ * **`\@targets` - an array reference of the nicks to set the mode on**
+ * **`$sign` - the mode sign, either '+' or '-'**
+ * **`$mode` - the mode character such as 'o' and 'v', this can only be one character long**
+ * **`$modes_per_line` - an optional argument maximum number of modes to send per at once, pass 0 use the current server's maximum (default)**
+
+Send multiple mode changes for the current channel. It may send multiple MODE lines if the request doesn't fit on one.
+
+Example:
+
+
+use strict;
+use warning;
+use Xchat qw(:all);
+
+hook_command( "MODES", sub {
+   my (undef, $who, $sign, $mode) = @{$_[0]};
+   my @targets = split /,/, $who;
+   if( @targets > 1 ) {
+      send_modes( \@targets, $sign, $mode, 1 );
+   } else {
+      send_modes( $who, $sign, $mode );
    }
-   return EAT_XCHAT;
+   return EAT_XCHAT;
 });
-
-

-

-

Xchat::nickcmp( $nick1, $nick2 )

- -

The comparsion is based on the current server. Either a RFC1459 compliant -string compare or plain ascii will be using depending on the server. The -comparison is case insensitive.

-

Returns a number less than, equal to or greater than zero if -$nick1 is -found respectively, to be less than, to match, or be greater than -$nick2.

-

-

-

Xchat::get_list( $name )

- -

This function will return a list of hash references. The hash references + + +### `Xchat::nickcmp( $nick1, $nick2 )` + + * **`$nick1, $nick2` - the two nicks or channel names that are to be compared** + +The comparsion is based on the current server. Either an [RFC1459](http://www.ietf.org/rfc/rfc1459.txt) +compliant string compare or plain ascii will be using depending on the server. The +comparison is case insensitive. + +Returns a number less than, equal to or greater than zero if `$nick1` is +found respectively, to be less than, to match, or be greater than `$nick2`. + + +### `Xchat::get_list( $name )` + + * **`$name` - name of the list, one of the following: "channels", "dcc", "ignore", "notify", "users"** + +This function will return a list of hash references. The hash references will have different keys depend on the list. An empty list is returned -if there is no such list.

-

"channels" - list of channels, querys and their server

+if there is no such list. + +"channels" - list of channels, querys and their server + +
@@ -678,7 +603,10 @@ if there is no such list.

-
Key Description
channel tab name
users Number of users in this channel

"dcc" - list of DCC file transfers

+ + +"dcc" - list of DCC file transfers + @@ -726,7 +654,10 @@ if there is no such list.

2 - chatrecv
3 - chatsend -
Key Value

"ignore" - current ignore list

+ + +"ignore" - current ignore list + @@ -742,7 +673,10 @@ if there is no such list.

6 - nosave
7 - dcc
-
Key Value

"notify" - list of people on notify

+ + +"notify" - list of people on notify + @@ -760,10 +694,16 @@ if there is no such list.

-
Key Value
seen time when user was last verified still online

the values indexed by on, off and seen can be passed to localtime -and gmtime, see perldoc -f localtime and perldoc -f gmtime for more -detail

"users" - list of users in the current channel

- +
+ +The values indexed by on, off and seen can be passed to localtime +and gmtime, see perldoc -f [localtime](http://perldoc.perl.org/functions/localtime.html) and +perldoc -f [gmtime](http://perldoc.perl.org/functions/gmtime.html) for more details. + +"users" - list of users in the current channel + + + @@ -784,7 +724,10 @@ detail

"users" - list of users in the current channel

-
Key Value
away away status(boolean) selected selected status in the user list, only works when retrieving the user list of the focused tab. You can use the /USELECT command to select the nicks

"networks" - list of networks and the associated settings from network list

+ + +"networks" - list of networks and the associated settings from network list + @@ -879,150 +822,107 @@ detail

"users" - list of users in the current channel

-
Key Value
servers An array reference of hash references with a "host" and "port" key. If a port is not specified then 6667 will be used.

-

-

Xchat::user_info( [$nick] )

- -

This function is mainly intended to be used as a shortcut for when you need + + + +### `Xchat::user_info( [$nick] )` + + * **`$nick` - the nick to look for, if this is not given your own nick will be used as default** + +This function is mainly intended to be used as a shortcut for when you need to retrieve some information about only one user in a channel. Otherwise it -is better to use get_list. -If $nick is found a hash reference containing the same keys as those in the -"users" list of get_list is returned otherwise undef is returned. -Since it relies on get_list this function can only be used in a -channel context.

-

-

-

Xchat::context_info( [$context] )

- -

This function will return the information normally retrieved with get_info, except this is for the context that is passed in. The information will be returned in the form of a hash. The keys of the hash are the $id you would normally supply to get_info as well as all the keys that are valid for the items in the "channels" list from get_list. Use of this function is more efficient than calling get_list( "channels" ) and searching through the result.

-

Example:

-
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use strict;
-use warnings;
-use Xchat qw(:all); # imports all the functions documented on this page
-
-register( "User Count", "0.1",
-   "Print out the number of users on the current channel" );
-hook_command( "UCOUNT", \&display_count );
-sub display_count {
-   prnt "There are " . context_info()->{users} . " users in this channel.";
-   return EAT_XCHAT;
+is better to use `get_list`. If `$nick` is found a hash reference containing
+the same keys as those in the "users" list of `get_list` is returned otherwise
+undef is returned. Since it relies on `get_list` this function can only be used in a
+channel context.
+
+
+### `Xchat::context_info( [$context] )`
+
+ * **`$context` - context returned from `get_context`, `find_context` and `get_list`, this is the context that you want infomation about. If this is omitted, it will default to current context.**
+
+This function will return the information normally retrieved with `get_info`, except this
+is for the context that is passed in. The information will be returned in the form of a
+hash. The keys of the hash are the `$id` you would normally supply to `get_info` as well
+as all the keys that are valid for the items in the "channels" list from `get_list`. Use
+of this function is more efficient than calling get_list( "channels" ) and
+searching through the result.
+
+Example:
+
+
+use strict;
+use warnings;
+use Xchat qw(:all); # imports all the functions documented on this page
+
+register( "User Count", "0.1",
+   "Print out the number of users on the current channel" );
+hook_command( "UCOUNT", \&display_count );
+sub display_count {
+   prnt "There are " . context_info()->{users} . " users in this channel.";
+   return EAT_XCHAT;
 }
-
-

-

-

Xchat::strip_code( $string )

- -

This function will remove bold, color, beep, reset, reverse and underline codes from $string. It will also remove ANSI escape codes which might get used by certain terminal based clients. If it is called in void context $string will be modified otherwise a modified copy of $string is returned.

-

-

-

Examples

-

-

-

Asynchronous DNS resolution with hook_fd

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use strict;
-use warnings;
-use Xchat qw(:all);
-use Net::DNS;
+
+ + +### `Xchat::strip_code( $string )` + + * **`$string` - string to remove codes from** + +This function will remove bold, color, beep, reset, reverse and underline codes from `$string`. +It will also remove ANSI escape codes which might get used by certain terminal based clients. +If it is called in void context `$string` will be modified otherwise a modified copy of `$string` is returned. + + +## Examples + +### Asynchronous DNS resolution with hook\_fd + +
+use strict;
+use warnings;
+use Xchat qw(:all);
+use Net::DNS;
    
-hook_command( "BGDNS", sub {
-   my $host = $_[0][1];
-   my $resolver = Net::DNS::Resolver->new;
-   my $sock = $resolver->bgsend( $host );
+hook_command( "BGDNS", sub {
+   my $host = $_[0][1];
+   my $resolver = Net::DNS::Resolver->new;
+   my $sock = $resolver->bgsend( $host );
    
-   hook_fd( $sock, sub {
-      my $ready_sock = $_[0];
-      my $packet = $resolver->bgread( $ready_sock );
+   hook_fd( $sock, sub {
+      my $ready_sock = $_[0];
+      my $packet = $resolver->bgread( $ready_sock );
       
-      if( $packet->authority && (my @answers = $packet->answer ) ) {
+      if( $packet->authority && (my @answers = $packet->answer ) ) {
          
-         if( @answers ) {
-            prnt "$host:";
-            my $padding = " " x (length( $host ) + 2);
-            for my $answer ( @answers ) {
-               prnt $padding . $answer->rdatastr . ' ' . $answer->type;
+         if( @answers ) {
+            prnt "$host:";
+            my $padding = " " x (length( $host ) + 2);
+            for my $answer ( @answers ) {
+               prnt $padding . $answer->rdatastr . ' ' . $answer->type;
             }
          }
-      } else {
-         prnt "Unable to resolve $host";
+      } else {
+         prnt "Unable to resolve $host";
       }
       
-      return REMOVE;
+      return REMOVE;
    },
    {
-      flags => FD_READ,
+      flags => FD_READ,
    });
    
-   return EAT_XCHAT;
+   return EAT_XCHAT;
 });
-
-
+ + + +## Contact Information + +Contact Lian Wan Situ at <atmcmnky [at] yahoo.com> for questions, comments and +corrections about this page or the Perl plugin itself. You can also find me in #xchat +on freenode under the nick Khisanth. -

-

-

Contact Information

-

Contact Lian Wan Situ at <atmcmnky [at] yahoo.com> for questions, comments and -corrections about this page or the Perl plugin itself. You can also find me -in #xchat on FreeNode under the nick Khisanth.

 X-Chat 2 Perl Interface -- cgit 1.4.1