K-Meleon
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Variables are not declared explicitly, but must have a name starting with a dollar sign. A variable can either be global, accessible from any macro, or local to a specific macro. Before a variable can be used in an expression it must be assigned a value. Integer values and string values are available.
$x = 0; $y = "A text string";
When needed, a variable is automatically be converted from a string to an integer, or the other way around.
$x = 1 + "2"; $y = "The value of x is " . x;
The string values "true" and "false" are recognized as boolean values and can be used in place of a conditional expression.
$z = "false"; $z ? $x = 1 : $x = 0; $x = 0 $z = "true"; $z ? $x = 1 : $x = 0; $x = 1
Macro declarations consist of a macro name followed by a compound of statements to execute for that macro. An optional assignment of a string value to 'menu' can be used to set the text shown when the macros is used in menus.
example { menu = "Menu text"; $x = 0; }
The following operators are available:
+ addition $x = 7 + 3; 10 - subtraction $x = 7 - 3; 4 * multiplication $x = 7 * 3; 21 / division $x = 7 / 3; 2 % remainder $x = 7 % 3; 1 equal $x = 7 3; 0 != not equal $x = 7 != 3; 1 . concatenation $x = 7 . 3; 73 ? : conditionals $x = $y1 ? 2:3; 2 if y 1; 3 otherwise < <= comparison $x = 10 < 2 1 (string comparison) > >= $x = +10 > +2 1 (number comparison)
Parenthesis can be used to alter the evaluation order. By default addition and subtraction have higher precedence than multiplication, division and remainder operations.
Strings should be enclosed in double quotes although not required unless the string contains operators. A backslash is used as escape character to enter special characters.
\\ backslash \n newline \r carrige return \t tab \" quotation mark
There is a number of predefined global variables to let K-Meleon macros access some global state information.
$URL
$LinkURL
$ImageURL
$FrameURL
$TITLE
$ARG
Available since K-Meleon 1.0:
$URLBAR
$SelectedText
$CHARSET
$TextZoom
OnStartup? OnOpenWindow? OnCloseWindow? OnLoad? OnQuit?
Several statements can be lined up on the same line with a semicolon in between.
$x = 0; $y = "A text string";
!!! Statements may not span several lines! !!!
$error = 1 + 1;
Special statements:
open( URL ); Open url in the current browser window. opennew( URL ); Open url in a new browser window. openbg( URL ); Open url in a new background window. $VALUE = getpref( TYPE, "user.preference.variable" ); Gets a user preference. TYPE = BOOL | INT | STRING setpref( TYPE, "user.preference.variable", VALUE ); Sets user preferences. TYPE = BOOL | INT | STRING togglepref( TYPE, "user.preference.variable", VALUE1, VALUE2, ... ); Toggles a user preference between a series of values. TYPE = BOOL | INT | STRING (booleans always toggle between true and false) exec( PROGRAM ); Execute an external program. id( COMMAND_ID ); Send a message id to the current window. See the complete list of command IDs. plugin( PLUGIN, COMMAND ); pluginmsg( PLUGIN, COMMAND, ARGS ); $REPLY = pluginmsgex( PLUGIN, COMMAND, ARGS, TYPE ); Run a plugin command. See the complete list of plugin commands. COMMAND = ??? ARGS = ??? TYPE = ??? alert( MESSAGE, TITLE, ICON ); Show a messagebox. ICON = EXCLAIM | INFO | STOP | QUESTION $RESULT = confirm( MESSAGE, TITLE, BUTTONS, ICON ); Show a messagebox and ask for confirmation. BUTTONS = RETRYCANCEL | YESNO | YESNOCANCEL | ABORTRETRYIGNORE; ICON = EXCLAIM | INFO | STOP | QUESTION RESULT = OK | YES | NO |ABORT | RETRY | IGNORE | 0 $VALUE = prompt( PROMPT, TITLE, DEFAULT_STRING ); Show a modal 'prompt' dialog that returns a string value. statusbar( TEXT ); Show the message text on the status bar. $TEXT = getclipboard(); Get and return data from the clipboard. setclipboard( TEXT ); Set data to the clipboard. $SUB = gensub( r, s, h, t ); search the target string t for matches of the string r. If h is a string beginning with g or G, then replace all matches of r with s. Otherwise, h is a number indicating which match of r to replace. The modified string is returned as the result of the function. $SUB = gsub( r, s, t ); for each substring matching the string r in the string t, substitute the string s, and return the modified string. This is equivalent to gensub( r, s, "G", t); $SUB = sub( r, s, t ); just like gsub(), but only the first matching substring is replaced. This is equivalent to gensub( r, s, 1, t); $I = index( s, t ); returns the index of the string t in the string s, or -1 if t is not present. $LEN = length( s ); returns the length of the string s. $SUB = substr( s, i , n? ); returns the at most n-character substring of s starting at i. If n is omitted, the rest of s is used. $BASE = basename( NAME , SUFFIX? ); Returns NAME with any leading directory components removed. If specified, also remove a trailing SUFFIX. $DIR = dirname( NAME ); Returns NAME with its trailing /component removed; if NAME contains no /'s, output '.' (meaning the current directory). $HOST = hostname( URL ); Returns hostname of given URL. macros( MACRO ); Execute another macro. &MACRO Alias for 'macros(MACRO)' Available since K-Meleon 1.0: $CONTENT = readfile( filepath ); Return the content of the file given in parameter. Only for small text file ( < 32Kb ). $VALUE = readkey( root, path ); Return the value of a registry key, root can be one of the following: HKLM,HKCU,HKCC,HKCR,HKU. $FILEPATH = promptforfile( InitialFolder?, FileTypeDescription?, FileMask? ) Prompt the user for a file, displaying only the files which match the FileMask? pattern. $FOLDERPATH = promptforfolder( Caption, InitialFolder? ) Prompt the user for a folder. injectJS( JS ) injectCSS( CSS ) Inject in the current page a java script or a cascading style sheet. $VALID_URL = urlencode( text ) <!-- write description here $TRANSLATION = _( text ) <!-- write description here while (CONDITION) STATEMENT <!-- write description here
Not all parameters are required for alert, confirm and prompt commands.
See the list of commands supported by plugins.