User:Quarl/autoreplace.js

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// [[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([str,replacement]);
}
 
// 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[i];
        text = autoreplace.replaceStringNoNowiki(text, r[0], autoreplace.fToStr(r[1]));
    }
    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);
}
 
addOnloadHook(autoreplace.load);
 
// </nowiki></pre>