User:Quarl/autoreplace.js

// ] - provides capability to replace strings (regular expressions) in edit boxes on submission.
//    Strings between <nowiki> ... </nowiki> are not replaced.

// depends: wikipage.js, wikiedit.js, util.js
// recommends: smartsubmit.js

// external entry points:
//    autoreplace.addReplacement("string", "replacement" || replacement_function);

// quarl 2006-01-04 initial version

// test:
//   javascript:alert(autoreplace_replace_string_nonowiki("2 x 3 <nowiki> 4 x 5 </nowiki> 6", "x", "XXX"))
//   javascript:alert(autoreplace_replace_strings("a ~~"+"~~ foo <nowiki>~~"+"~~</nowiki>"))

// <pre><nowiki>

autoreplace = new Object();

autoreplace.enabled = true;
autoreplace.replacements = Array();

// add a replacement
autoreplace.addReplacement = function(str, replacement) {
    autoreplace.replacements.push();
}

// deprecated
autoreplace_add = autoreplace.addReplacement;

autoreplace.fToStr = function(t) {
    if (typeof t == 'function') t = t();
    return ""+t;
}

autoreplace.replaceString = function(text, str, replacement) {
    return text.replace(new RegExp(str,'g'), replacement);
}

autoreplace.replaceStringNoNowiki = function(text, str, replacement) {
    var rtext = '';
    while ( text.match(/<nowiki>(?:.|\n)*?<\/nowiki>|<!--(?:.|\n)*?-->/) ) {
        // save these before they get clobbered!
        var left = RegExp.leftContext;
        var match = RegExp.lastMatch;
        var right = RegExp.rightContext;

        rtext += autoreplace.replaceString(left, str, replacement) + match;
        text = right;
    }
    rtext += autoreplace.replaceString(text, str, replacement)
    return rtext;
}

autoreplace.replaceStrings = function(text) {
    if (!text) return text;
    for (i in autoreplace.replacements) {
        r = autoreplace.replacements;
        text = autoreplace.replaceStringNoNowiki(text, r, autoreplace.fToStr(r));
    }
    return text;
}

autoreplace.preSubmitHook = function(editor, data, button) {
    if (!autoreplace.enabled) return;

    if (!data.wpTextbox1) return;
    data.wpTextbox1 = autoreplace.replaceStrings(data.wpTextbox1);
}

autoreplace.load = function() {
    WikiEditor.addPreSubmitHook(autoreplace.preSubmitHook);
}

$(autoreplace.load);

// </nowiki></pre>