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/**
* (C) Copyright 2004-2007 Shawn Betts
* (C) Copyright 2007-2008 John J. Foerch
* (C) Copyright 2007-2008 Jeremy Maitin-Shepard
*
* Use, modification, and distribution are subject to the terms specified in the
* COPYING file.
**/
in_module(null);
var webjumps = {};
define_keywords("$completer", "$description", "$argument", "$alternative");
function define_webjump (key, handler) {
keywords(arguments);
var argument = arguments.$argument;
let alternative = arguments.$alternative;
// handler may be a function or a string. An alternative url may
// be passed using the $alternative keyword; it is used in place
// of the handler when no arguments are supplied by the user when
// invoking the webjump (see get_webjump). For string webjumps
// that contain %s and for which no alternative is provided, an
// alternative is autogenerated by trimming the path from the url.
// A webjump can thus function both as a way to invoke a search
// and as a bookmark.
//
// The argument property may be false (no arguments will be
// accepted for the webjump), true (arguments are required for the
// webjump) or 'optional' (arguments are accepted but not
// required). If the property is not specified, a sensible default
// is chosen depending on the type of the handler and whether an
// alternative is specified. If the property is false, then
// completing on the name of the webjump in the minibuffer will
// not result in a space being appended.
//
if (typeof(handler) == "function") {
if (argument == null && alternative == null)
argument = true;
} else if (typeof(handler) == "string") {
if (handler.indexOf('%s') == -1)
argument = false;
else if (alternative == null)
alternative = url_path_trim(handler);
}
if (alternative && argument == null)
argument = 'optional';
function make_handler (template) {
var b = template.indexOf('%s');
return function (arg) {
var a = b + 2;
// Just return the same string if it doesn't contain a %s
if (b == -1)
return template;
return template.substr(0,b) + encodeURIComponent(arg) + template.substring(a);
};
}
if (typeof(handler) == "string")
handler = make_handler(handler);
webjumps[key] = { key: key,
handler: handler,
completer: arguments.$completer,
description: arguments.$description,
argument: argument,
alternative: alternative};
}
function define_delicious_webjumps (username) {
define_webjump("delicious", "http://delicious.com/" + username + "/%s",
$alternative = "http://delicious.com/" + username);
define_webjump("adelicious", "javascript:location.href='http://delicious.com/"+username+
"?v=2&url='+encodeURIComponent(location.href)+'&title='+"+
"encodeURIComponent(document.title);");
define_webjump("sdelicious", "http://delicious.com/search?p=%s&u="+username+
"&chk=&context=userposts&fr=del_icio_us&lc=1");
define_webjump("sadelicious", "http://delicious.com/search/all?search=%s");
}
add_delicious_webjumps = define_delicious_webjumps;
function define_lastfm_webjumps (username) {
if (! username) username = "";
define_webjump("lastfm", "http://www.last.fm/user/"+username);
define_webjump("lastfm-user", "http://www.last.fm/user/%s");
define_webjump("lastfm-music", "http://www.last.fm/search?m=all&q=%s");
define_webjump("lastfm-group", "http://www.last.fm/users/groups?s_bio=%s");
define_webjump("lastfm-tag", "http://www.last.fm/search?m=tag&q=%s");
define_webjump("lastfm-label", "http://www.last.fm/search?m=label&q=%s");
define_webjump("lastfm-event", "http://www.last.fm/events?by=artists&q=%s");
}
add_lastfm_webjumps = define_lastfm_webjumps;
function clear_webjumps () {
webjumps = {};
}
// Some built in web jumps
function define_default_webjumps () {
define_webjump("conkerorwiki",
"http://conkeror.org/?action=fullsearch&context=60&value=%s&fullsearch=Text");
define_webjump("lucky", "http://www.google.com/search?q=%s&btnI=I'm Feeling Lucky");
define_webjump("maps", "http://maps.google.com/?q=%s");
define_webjump("scholar", "http://scholar.google.com/scholar?q=%s");
define_webjump("clusty", "http://www.clusty.com/search?query=%s");
define_webjump("slang", "http://www.urbandictionary.com/define.php?term=%s");
define_webjump("dictionary", "http://dictionary.reference.com/search?q=%s");
define_webjump("image", "http://images.google.com/images?q=%s");
define_webjump("clhs",
"http://www.xach.com/clhs?q=%s",
$alternative = "http://www.lispworks.com/documentation/HyperSpec/Front/index.htm");
define_webjump("cliki", "http://www.cliki.net/admin/search?words=%s");
define_webjump("ratpoisonwiki", "http://ratpoison.antidesktop.net/?search=%s");
define_webjump("stumpwmwiki", "http://stumpwm.antidesktop.net/wiki?search=%s");
define_webjump("savannah",
"http://savannah.gnu.org/search/?words=%s&type_of_search=soft&Search=Search&exact=1");
define_webjump("sourceforge", "http://sourceforge.net/search/?words=%s");
define_webjump("freshmeat", "http://freshmeat.net/search/?q=%s");
define_webjump("slashdot", "http://slashdot.org/search.pl?query=%s");
define_webjump("kuro5hin", "http://www.kuro5hin.org/?op=search&string=%s");
}
define_variable("webjump_partial_match", true,
"When entering a url, if the input is not a webjump, " +
"but would uniquely complete to a webjump, then accept " +
"that webjump only if this is true.");
function match_webjump (str) {
var sp = str.indexOf(' ');
var key, arg;
if (sp == -1) {
key = str;
arg = null;
} else {
key = str.substring(0, sp);
arg = str.substring(sp + 1);
if (/^\s*$/.test(arg))
arg = null;
}
// Look for an exact match
var match = webjumps[key];
// Look for a partial match
if (!match && webjump_partial_match) {
for (let [k,v] in Iterator(webjumps)) {
if (k.substring(0, key.length) == key) {
if (match) {
// key is not a unique prefix, as there are multiple partial matches
return null;
}
match = v;
}
}
}
if (match) {
if (arg == null && match.argument == true)
throw interactive_error('Webjump '+key+' requires an argument.');
return [match, key, arg];
}
return null;
}
function get_webjump (value) {
var res = match_webjump(value);
if (!res)
return null;
let [match,key,arg] = res;
if (arg == null && match.alternative)
return match.alternative;
return match.handler(arg);
}
function get_url_or_webjump (input) {
var url = get_webjump(input);
if (url != null)
return url;
else
return input;
}
define_default_webjumps();
function webjump_completer () {
let base_completer = prefix_completer(
$completions = [ v for ([k,v] in Iterator(webjumps)) ],
$get_string = function (x) { return x.key + (x.argument ? " " : ""); },
$get_description = function (x) { return x.description || ""; });
return function (input, pos, conservative) {
let str = input.substring(0,pos);
let res;
try { res = match_webjump(str); }
catch (e) { res = null; }
if (res) {
let [match, key, arg] = res;
if (arg != null) { // If there is no argument yet, we use the base completer
if (match.completer) {
let c = yield match.completer.call(null, arg, pos - key.length - 1, conservative);
yield co_return(nest_completions(c, match.key + " "));
}
yield co_return(null);
}
}
yield co_return(base_completer(input, pos, conservative));
};
}
provide("webjump");
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