public void registerReferenceProviders()

in struts2/src/main/java/com/intellij/struts2/reference/StrutsUITaglibReferenceContributor.java [91:250]
110 lines of code
1 McCabe index (conditional complexity)

  public void registerReferenceProviders(@NotNull final PsiReferenceRegistrar registrar) {
    // common attributes --------------------------------------

    registerTags(new ThemeReferenceProvider(),
                 "theme", registrar,
                 Holder.TAGLIB_UI_FORM_TAGS);

    registerBoolean("disabled", registrar, Holder.TAGLIB_UI_FORM_TAGS);

    registerTags(new StaticStringValuesReferenceProvider(false, "left", "top"),
                 "labelposition", registrar,
                 Holder.TAGLIB_UI_FORM_TAGS);

    registerTags(StrutsTaglibReferenceContributorBase.Holder.ACTION_PROPERTY_REFERENCE_PROVIDER,
                 "name", registrar,
                 Holder.TAGLIB_UI_FORM_INPUT_TAGS);
    registerTags(StrutsTaglibReferenceContributorBase.Holder.ACTION_PROPERTY_REFERENCE_PROVIDER,
                 "list", registrar,
                 "doubleselect", "inputtransferselect", "optiontransferselect", "select", "updownselect");

    registerBoolean("required", registrar, Holder.TAGLIB_UI_FORM_TAGS);

    registerTags(StrutsTaglibReferenceContributorBase.Holder.ID_REFERENCE_PROVIDER,
                 "id", registrar,
                 Holder.TAGLIB_UI_FORM_INPUT_TAGS);

    registerTags(new StaticStringValuesReferenceProvider(false, "left", "right"),
                 "requiredposition", registrar,
                 Holder.TAGLIB_UI_FORM_TAGS);

    registerTags(wrappedPropertiesProvider,
                 "key", registrar,
                 Holder.TAGLIB_UI_FORM_INPUT_TAGS);

    // elements with "readonly"
    registerBoolean("readonly", registrar, "combobox", "password", "textarea", "textfield");

    // selection elements with "emptyOption"|"multiple"
    registerBoolean("emptyOption",
                    registrar,
                    "doubleselect", "inputtransferselect", "optiontransferselect", "select", "updownselect");
    registerBoolean("multiple",
                    registrar,
                    "doubleselect", "inputtransferselect", "optiontransferselect", "select", "updownselect");

    // elements with "action"
    registerTags(StrutsTaglibReferenceContributorBase.Holder.ACTION_REFERENCE_PROVIDER,
                 "action", registrar,
                 "a", "form", "reset", "submit", "url");

    registerTags(StrutsTaglibReferenceContributorBase.Holder.ACTION_REFERENCE_PROVIDER,
                 "name", registrar,
                 "action");

    registerTags(new ActionMethodReferenceProvider(),
                 "method", registrar,
                 "a", "reset", "submit", "url");

    // elements with "value" (relative path)
    registerTags(StrutsTaglibReferenceContributorBase.Holder.RELATIVE_PATH_PROVIDER,
                 "value", registrar,
                 "include", "url");

    // elements with "namespace"
    registerTags(new NamespaceReferenceProvider(),
                 "namespace", registrar,
                 "a", "action", "form", "url");

    // CSS classes
    registerTags(StrutsTaglibReferenceContributorBase.Holder.CSS_CLASS_PROVIDER,
                 "cssClass", registrar,
                 Holder.TAGLIB_UI_FORM_TAGS);

    registerTags(StrutsTaglibReferenceContributorBase.Holder.CSS_CLASS_PROVIDER,
                 "cssErrorClass", registrar,
                 Holder.TAGLIB_UI_FORM_TAGS);

    registerTags(StrutsTaglibReferenceContributorBase.Holder.CSS_CLASS_PROVIDER,
                 "tooltipCssClass", registrar,
                 Holder.TAGLIB_UI_FORM_TAGS);

    // *transfer/double-tags
    registerTags(StrutsTaglibReferenceContributorBase.Holder.CSS_CLASS_PROVIDER,
                 "buttonCssClass", registrar,
                 "inputtransferselect", "optiontransferselect");

    registerTags(StrutsTaglibReferenceContributorBase.Holder.CSS_CLASS_PROVIDER,
                 "doubleCssClass", registrar,
                 "inputtransferselect", "optiontransferselect");

    registerBoolean("doubleEmptyOption",
                    registrar,
                    "doubleselect", "inputtransferselect", "optiontransferselect");

    registerTags(StrutsTaglibReferenceContributorBase.Holder.ACTION_PROPERTY_REFERENCE_PROVIDER,
                 "doubleName", registrar,
                 "doubleselect", "optiontransferselect");
    registerTags(StrutsTaglibReferenceContributorBase.Holder.ACTION_PROPERTY_REFERENCE_PROVIDER,
                 "doubleList", registrar,
                 "doubleselect", "optiontransferselect");

    // specific tags ---------------------------------------------------------------------------------------------------

    // <action>
    registerBoolean("flush", registrar, "action");
    registerBoolean("executeResult", registrar, "action");
    registerBoolean("ignoreContextParams", registrar, "action");

    // <date>
    registerBoolean("nice", registrar, "date");

    // <form>
    registerTags(new StaticStringValuesReferenceProvider(false,
                                                         "application/x-www-form-urlencoded",
                                                         "multipart/form-data"),
                 "enctype", registrar,
                 "form");
    registerTags(new StaticStringValuesReferenceProvider("GET", "POST"),
                 "method", registrar,
                 "form");
    registerTags(new StaticStringValuesReferenceProvider("_blank", "_parent", "_self", "_top"),
                 "target", registrar,
                 "form");
    registerBoolean("validate", registrar, "form");

    // <param>
    registerTags(StrutsTaglibReferenceContributorBase.Holder.ACTION_PROPERTY_REFERENCE_PROVIDER,
                 "name", registrar,
                 "param");

    // <property>
    registerBoolean("escape", registrar, "property");
    registerBoolean("escapeJavaScript", registrar, "property");

    // <set>
    registerTags(new StaticStringValuesReferenceProvider(false, "application", "session", "request", "page", "action"),
                 "scope", registrar,
                 "set");

    // <submit>
    registerTags(new StaticStringValuesReferenceProvider(false, "input", "button", "image", "submit"),
                 "type", registrar,
                 "submit");
    registerTags(StrutsTaglibReferenceContributorBase.Holder.RELATIVE_PATH_PROVIDER,
                 "src", registrar,
                 "submit");

    // <text>
    registerTags(wrappedPropertiesProvider, "name", registrar, "text");
    registerBoolean("searchValueStack", registrar, "text");

    // <url>
    registerBoolean("encode", registrar, "url");
    registerBoolean("escapeAmp", registrar, "url");
    registerBoolean("forceAddSchemeHostAndPort", registrar, "url");
    registerBoolean("includeContext", registrar, "url");
    registerTags(new StaticStringValuesReferenceProvider(false, "none", "get", "all"),
                 "includeParams", registrar,
                 "url");
  }