[KOMODO] Run snippets from keyword

auto-find-snippets.js

/**
 * Get and run a snippets from your toolbox.
 *
 * First snippet name is guess by word under your cursor or before your
 * cursor if none selected. In our example : "fooBar"
 * The script search a snippet named :
 *   1. the word join with the language name (lowercase) -> "php_fooBar"
 *   2. the snippet name with preceding joker (def "any_") -> "any_fooBar"
 *   
 * the snippet is run if found, and nothing happen otherwise (except a nice
 * log message in your status bar)
 */

var view = ko.views.manager.currentView,
    document = view.koDoc,
    path = document.file.displayPath,
    dir = document.file.dirName,
    filename = document.baseName,
    runSvc,
    process,
    output,
    snippetName,
    replacements = {},
    trim,
    ENV_VARS = ['USER_NAME', 'USER_LOG', 'USER_EMAIL', 'USER_ORG'],
    i = 0,
    snippetOrigValue;

trim = function (str, charlist) {
    var whitespace, l = 0,
        i = 0;
    str += '';

    if (!charlist) {
        // default list
        whitespace = " \n\r\t\f\x0b\xa0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000";
    } else {
        // preg_quote custom list
        charlist += '';
        whitespace = charlist.replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g, '$1');
    }

    l = str.length;
    for (i = 0; i < l; i++) {
        if (whitespace.indexOf(str.charAt(i)) === -1) {
            str = str.substring(i);
            break;
        }
    }

    l = str.length;
    for (i = l - 1; i >= 0; i--) {
        if (whitespace.indexOf(str.charAt(i)) === -1) {
            str = str.substring(0, i + 1);
            break;
        }
    }

    return whitespace.indexOf(str.charAt(0)) === -1 ? str : '';
}


/*
    START
*/

komodo.view.setFocus();

if (!snippetName) {
    view.scimoz.wordPartLeftExtend();
    snippetName = ko.interpolate.getWordUnderCursor();
}

 
var snippet = komodo.findPart("snippet",
                              document.language.toLowerCase() + "_" + snippetName,
                             "container");
if( !snippet ) {
    var snippet = komodo.findPart("snippet", snippetName, "*");
}

if (!snippet) {
    StatusBar_AddMessage("no snippet found named '" + snippetName + "'",
                         "debugger", 5000, true);
    return false;
}

view.scimoz.wordPartLeftExtend();

runSvc = Components.classes["@activestate.com/koRunService;1"].
            createInstance(Components.interfaces.koIRunService);

snippetOrigValue = snippet.value;

try {
    for (i = 0; i < ENV_VARS.length; i++) {
        process = runSvc.RunAndNotify('echo $' + ENV_VARS[i], '', '', '');
        output = trim(process.getStdout()); // need to remove endofline
        search = '[[%(env:' + ENV_VARS[i] + ')]]';
        while (snippet.value.indexOf(search) !== -1) {
            snippet.value = snippet.value.replace(search, output); // replace snippets contents
        }
    }
    ko.projects.snippetInsert(snippet);
} catch (e) {
    alert(e);
}

snippet.value = snippetOrigValue;