Added EncodeHtmlEntities, EncodeQp, Rot13 and Year

.idea/misc.xml

@@ -11,6 +11,10 @@
     <pattern value="rife2.render.EncodeJson" />
     <pattern value="rife2.render.EncodeUrl" />
     <pattern value="rife2.render.EncodeXml" />
+    <pattern value="rife2.render.EncodeQp" />
+    <pattern value="rife2.render.EncodeHtmlEntities" />
+    <pattern value="rife2.render.Rot13" />
+    <pattern value="rife2.render.Year" />
   </component>
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="PDMPlugin">

README.md

@@ -11,12 +11,16 @@ This project provides a set of template renderers.
   - Encodes a template value to HTML.
 - **rife.render.EncodeJson**
   - Encodes a template value to JSON.
+- **rife.render.EncodeQp**
+  - Converts a template value to a quoted-printable string.
 - **rife.render.EncodeUrl**
   - URL-encodes a template value.
 - **rife.render.EncodeXml**
   - Encodes a template value to XML.
 - **rife.render.Lowercase**
   - Converts a template value to lowercase.
+- **rife.render.Rot13**
+  - Translates a template value to/from ROT13.
 - **rife.render.SwapCase**
   - Swap case of a template value.
 - **rife.render.Trim**
@@ -25,6 +29,8 @@ This project provides a set of template renderers.
   - Un-capitalizes a template value.
 - **rife.render.Uppercase**
   - Convert a template value to uppercase.
+- **rife.render.Year**
+  - Renders the current year.
 
 ## Usage in Templates
 

lib/src/main/java/rife2/render/EncodeHtmlEntities.java

@@ -0,0 +1,68 @@
+/*
+ *  Copyright 2023 the original author or authors.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *       https://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
+package rife2.render;
+
+import rife.template.Template;
+import rife.template.ValueRenderer;
+
+/**
+ * <p>Encodes a template value to HTML decimal entities</p>
+ *
+ * <p>Usage:</p>
+ *
+ * <pre>
+ *   &lt;!--v render:rife.render.EncodeHtmlEntities:valueId/--&gt;
+ *   {{v render:rife.render.EncodeHtmlEntities:valueId}}
+ * </pre>
+ *
+ * <p>For example {@code john@doe.com} would be encoded to:</p>
+ *
+ * <pre>&amp;#106;&amp;#111;&amp;#104;&amp;#110;&amp;#64;&amp;#100;&amp;#111;&amp;#101;&amp;#46;&amp;#99;&amp;#111;&amp;#109;</pre>
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public class EncodeHtmlEntities implements ValueRenderer {
+    /**
+     * Converts a text string to HTML decimal entities.
+     *
+     * @param text the String to convert.
+     * @return the converted string.
+     */
+    public static String toHtmlEntities(String text) {
+        var buff = new StringBuilder(text.length() * 6);
+
+        for (var i = 0; i < text.length(); i++) {
+            buff.append("&#").append((int) text.charAt(i)).append(';');
+        }
+
+        return buff.toString();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public String render(Template template, String valueId, String differentiator) {
+        if (differentiator != null && !differentiator.isBlank() && template.hasValueId(differentiator)) {
+            return toHtmlEntities(template.getValue(differentiator));
+        } else {
+            return "";
+        }
+    }
+}

lib/src/main/java/rife2/render/EncodeQp.java

@@ -0,0 +1,86 @@
+/*
+ *  Copyright 2023 the original author or authors.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *       https://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
+package rife2.render;
+
+import rife.template.Template;
+import rife.template.ValueRenderer;
+
+import java.util.Locale;
+
+/**
+ * <p>Converts a template value to a quoted-printable string.</p>
+ *
+ * <p>Usage:</p>
+ *
+ * <pre>
+ *   &lt;!--v render:rife.render.EncodeQp:valueId/--&gt;
+ *   {{v render:rife.render.EncodeQp:valueId}}
+ * </pre>
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public class EncodeQp implements ValueRenderer {
+    /**
+     * Converts the given String to a quoted-printable string.
+     *
+     * @param src the source String
+     * @return the quoted-printable String
+     */
+    public static String toQuotedPrintable(String src) {
+        if (src == null || src.isEmpty()) {
+            return src;
+        }
+
+        char c;
+        var buff = new StringBuilder(src.length());
+        String hex;
+
+        for (var i = 0; i < src.length(); i++) {
+            c = src.charAt(i);
+
+            if (((c > 47) && (c < 58)) || ((c > 64) && (c < 91)) || ((c > 96) && (c < 123))) {
+                buff.append(c);
+            } else {
+                hex = Integer.toString(c, 16);
+
+                buff.append('=');
+
+                if (hex.length() == 1) {
+                    buff.append('0');
+                }
+
+                buff.append(hex.toUpperCase(Locale.getDefault()));
+            }
+        }
+
+        return buff.toString();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public String render(Template template, String valueId, String differentiator) {
+        if (differentiator != null && !differentiator.isBlank() && template.hasValueId(differentiator)) {
+            return toQuotedPrintable(template.getValue(differentiator));
+        } else {
+            return "";
+        }
+    }
+}

lib/src/main/java/rife2/render/Rot13.java

@@ -0,0 +1,86 @@
+/*
+ *  Copyright 2023 the original author or authors.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *       https://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
+package rife2.render;
+
+import rife.template.Template;
+import rife.template.ValueRenderer;
+
+/**
+ * <p>Translates a template value to/from ROT13.</p>
+ *
+ * <p>Usage:</p>
+ *
+ * <pre>
+ *   &lt;!--v render:rife.render.Rot13:valueId/--&gt;
+ *   {{v render:rife.render.Rot13:valueId}}
+ * </pre>
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public class Rot13 implements ValueRenderer {
+    /**
+     * Translates a String to/from ROT13.
+     *
+     * @param src The source String.
+     * @return The translated String.
+     */
+    public static String rot13(String src) {
+        if (src == null || src.isEmpty()) {
+            return "";
+        } else {
+            var output = new StringBuilder(src.length());
+
+            for (var i = 0; i < src.length(); i++) {
+                var inChar = src.charAt(i);
+
+                if ((inChar >= 'A') && (inChar <= 'Z')) {
+                    inChar += (char) 13;
+
+                    if (inChar > 'Z') {
+                        inChar -= (char) 26;
+                    }
+                }
+
+                if ((inChar >= 'a') && (inChar <= 'z')) {
+                    inChar += (char) 13;
+
+                    if (inChar > 'z') {
+                        inChar -= (char) 26;
+                    }
+                }
+
+                output.append(inChar);
+            }
+
+            return output.toString();
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public String render(Template template, String valueId, String differentiator) {
+        if (differentiator != null && !differentiator.isBlank() && template.hasValueId(differentiator)) {
+            return rot13(template.getValue(differentiator));
+        } else {
+            return "";
+        }
+    }
+}

lib/src/main/java/rife2/render/Year.java

@@ -0,0 +1,44 @@
+/*
+ *  Copyright 2023 the original author or authors.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *       https://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
+package rife2.render;
+
+import rife.template.Template;
+import rife.template.ValueRenderer;
+
+/**
+ * <p>Renders the current year.</p>
+ *
+ * <p>Usage:</p>
+ *
+ * <pre>
+ *   &lt;!--v render:rife.render.Year/--&gt;
+ *   {{v render:rife.render.Year}}
+ * </pre>
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public class Year implements ValueRenderer {
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public String render(Template template, String valueId, String differentiator) {
+        return java.time.Year.now().toString();
+    }
+}