1 /* 2 * Copyright (C) 2010 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.clearsilver.jsilver.functions.bundles; 18 19 import com.google.clearsilver.jsilver.functions.escape.*; 20 import com.google.clearsilver.jsilver.functions.html.CssUrlValidateFunction; 21 import com.google.clearsilver.jsilver.functions.html.HtmlStripFunction; 22 import com.google.clearsilver.jsilver.functions.html.HtmlUrlValidateFunction; 23 import com.google.clearsilver.jsilver.functions.html.TextHtmlFunction; 24 import com.google.clearsilver.jsilver.functions.numeric.AbsFunction; 25 import com.google.clearsilver.jsilver.functions.numeric.MaxFunction; 26 import com.google.clearsilver.jsilver.functions.numeric.MinFunction; 27 import com.google.clearsilver.jsilver.functions.string.CrcFunction; 28 import com.google.clearsilver.jsilver.functions.string.FindFunction; 29 import com.google.clearsilver.jsilver.functions.string.LengthFunction; 30 import com.google.clearsilver.jsilver.functions.string.SliceFunction; 31 import com.google.clearsilver.jsilver.functions.structure.FirstFunction; 32 import com.google.clearsilver.jsilver.functions.structure.LastFunction; 33 import com.google.clearsilver.jsilver.functions.structure.SubcountFunction; 34 35 /** 36 * Set of functions required to allow JSilver to be compatible with ClearSilver. 37 */ 38 public class ClearSilverCompatibleFunctions extends CoreOperators { 39 40 @Override 41 protected void setupDefaultFunctions() { 42 super.setupDefaultFunctions(); 43 44 // Structure functions. 45 registerFunction("subcount", new SubcountFunction()); 46 registerFunction("first", new FirstFunction()); 47 registerFunction("last", new LastFunction()); 48 49 // Deprecated - but here for ClearSilver compatibility. 50 registerFunction("len", new SubcountFunction()); 51 52 // Numeric functions. 53 registerFunction("abs", new AbsFunction()); 54 registerFunction("max", new MaxFunction()); 55 registerFunction("min", new MinFunction()); 56 57 // String functions. 58 registerFunction("string.slice", new SliceFunction()); 59 registerFunction("string.find", new FindFunction()); 60 registerFunction("string.length", new LengthFunction()); 61 registerFunction("string.crc", new CrcFunction()); 62 63 // Escaping functions. 64 registerFunction("url_escape", new UrlEscapeFunction("UTF-8"), true); 65 registerEscapeMode("url", new UrlEscapeFunction("UTF-8")); 66 registerFunction("html_escape", new HtmlEscapeFunction(false), true); 67 registerEscapeMode("html", new HtmlEscapeFunction(false)); 68 registerFunction("js_escape", new JsEscapeFunction(false), true); 69 registerEscapeMode("js", new JsEscapeFunction(false)); 70 71 // These functions are available as arguments to <?cs escape: ?> 72 // though they aren't in ClearSilver. This is so that auto escaping 73 // can automatically add <?cs escape ?> nodes with these modes 74 registerEscapeMode("html_unquoted", new HtmlEscapeFunction(true)); 75 registerEscapeMode("js_attr_unquoted", new JsEscapeFunction(true)); 76 registerEscapeMode("js_check_number", new JsValidateUnquotedLiteral()); 77 registerEscapeMode("url_validate_unquoted", new HtmlUrlValidateFunction(true)); 78 79 registerEscapeMode("css", new StyleEscapeFunction(false)); 80 registerEscapeMode("css_unquoted", new StyleEscapeFunction(true)); 81 82 // HTML functions. 83 registerFunction("html_strip", new HtmlStripFunction()); 84 registerFunction("text_html", new TextHtmlFunction()); 85 86 // url_validate is available as an argument to <?cs escape: ?> 87 // though it isn't in ClearSilver. 88 registerFunction("url_validate", new HtmlUrlValidateFunction(false), true); 89 registerEscapeMode("url_validate", new HtmlUrlValidateFunction(false)); 90 91 registerFunction("css_url_validate", new CssUrlValidateFunction(), true); 92 // Register as an EscapingFunction so that autoescaping will be disabled 93 // for the output of this function. 94 registerFunction("null_escape", new NullEscapeFunction(), true); 95 } 96 97 } 98
