Document all options for theme helpers

[loganvolkers]

Helpers to document:

• MathHelper
• Gravatar
• URLEncode
• Math

Gravatar:

 "gravatar"

    @Override
    public CharSequence apply(String emailAddress, Options options) throws IOException {
        Boolean secure = options.hash("secure", false);
        if(emailAddress == null){
            return secure ? SECURE_DEFAULT_GRAVATAR_URL : DEFAULT_GRAVATAR_URL;
        }
        Integer s = options.hash("size");
        String d = options.hash("default");
        String f = options.hash("forcedefault");
        String r = options.hash("rating");

Math

 "math"

saasquatch.utils.thirdparty.Expression

UrlEncode

    private static final String DEFAULT_CHARSET = "UTF-8";
    private static final String DEFAULT_SPACING = "+";
    public static final String NAME = "urlencode";

    @Override
    public CharSequence apply(String content, Options options) throws IOException {
        String charset = options.hash("charset", DEFAULT_CHARSET);
        String space = options.hash("space", DEFAULT_SPACING);
        String ret = URLEncoder.encode(content, charset);
        if(!space.equals(DEFAULT_SPACING)) {
            ret = ret.replace(DEFAULT_SPACING, space); 
        }
        return new Handlebars.SafeString(ret);
    }

Asset Helper

    private final String cdnDomain;
    private final String themeId;

    public AssetHelper(String themeId, String cdnDomain) {
        this.themeId = themeId;
        this.cdnDomain = cdnDomain;
    }

    @Override
    public CharSequence apply(String fileUrl, Options options) {
        Context rootContext = HandlebarsFactoryImpl.getRootContext(options);

        String assetVersion = String.valueOf(rootContext.get("assetVersion"));
        Boolean isSecureUrl = Boolean.parseBoolean(String.valueOf(rootContext.get("isSecureUrl")));

        String ret = Cdn.getResourceAt("/theme/" + themeId + "/assets/" + assetVersion + "/" + fileUrl, cdnDomain, isSecureUrl);
        return new Handlebars.SafeString(ret);
    }