Merge pull request scalate#13 from sroebuck/master

PegDown filter

scalate-pegdown/pom.xml

@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Copyright (C) 2009-2011 the original author or authors.
+    See the notice.md file distributed with this work for additional
+    information regarding copyright ownership.
+
+    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
+
+        http://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.
+
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.fusesource.scalate</groupId>
+    <artifactId>scalate-project</artifactId>
+    <version>1.6.0-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>scalate-pegdown</artifactId>
+  <packaging>bundle</packaging>
+
+  <name>${project.artifactId}</name>
+  <description>A Scalate filter that uses PegDown</description>
+
+  <properties>
+  </properties>
+
+  <dependencies>
+
+    <dependency>
+      <groupId>org.fusesource.scalate</groupId>
+      <artifactId>scalate-core</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.pegdown</groupId>
+      <artifactId>pegdown</artifactId>
+      <version>1.1.0</version>
+    </dependency>
+
+    <!-- testing -->
+    <dependency>
+      <groupId>org.fusesource.scalate</groupId>
+      <artifactId>scalate-test</artifactId>
+      <version>${project.version}</version>
+      <scope>test</scope>
+    </dependency>
+
+    <dependency>
+      <groupId>org.scalatest</groupId>
+      <artifactId>${scalatest-artifact}</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>ch.qos.logback</groupId>
+      <artifactId>logback-classic</artifactId>
+      <scope>test</scope>
+    </dependency>
+
+  </dependencies>
+
+
+</project>

scalate-pegdown/src/main/resources/META-INF/services/org.fusesource.scalate/addon.index

@@ -0,0 +1,19 @@
+#
+# Copyright (C) 2009-2011 the original author or authors.
+# See the notice.md file distributed with this work for additional
+# information regarding copyright ownership.
+#
+# 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
+#
+#     http://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.
+#
+
+org.fusesource.scalate.filter.PegDownFilter

scalate-pegdown/src/main/scala/org/fusesource/scalate/filter/PegDownFilter.scala

@@ -0,0 +1,75 @@
+/**
+ * Copyright (C) 2009-2011 the original author or authors.
+ * See the notice.md file distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * 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
+ *
+ *     http://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 org.fusesource.scalate.filter
+
+/**
+ * Copyright (C) 2009-2010 the original author or authors.
+ * See the notice.md file distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * 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
+ *
+ *     http://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.
+ */
+
+import org.fusesource.scalate.{TemplateEngineAddOn, RenderContext, TemplateEngine}
+import org.fusesource.scalate.filter.Filter
+import org.pegdown.{Extensions, PegDownProcessor}
+
+/**
+ * Renders markdown syntax with multi-markdown like extras.
+ *
+ * @author <a href="stuart.roebuck@gmail.com">Stuart Roebuck</a>
+ */
+object PegDownFilter extends Filter with TemplateEngineAddOn {
+
+  private val pegDownProcessor = new PegDownProcessor(
+    Extensions.ABBREVIATIONS |
+      Extensions.AUTOLINKS |
+      Extensions.DEFINITIONS |
+      Extensions.FENCED_CODE_BLOCKS |
+      Extensions.QUOTES |
+      Extensions.SMARTS |
+      Extensions.TABLES |
+      Extensions.WIKILINKS
+  )
+
+  def filter(context: RenderContext, content: String) = {
+    synchronized {
+      // This code block is synchronized as the PegDownProcessor is not thread safe.
+      pegDownProcessor.markdownToHtml(content).stripLineEnd
+    }
+  }
+
+  /**
+   * Add the markdown filter to the template engine.
+   */
+  def apply(te: TemplateEngine) = {
+    te.filters += "multimarkdown" -> PegDownFilter
+    te.pipelines += "mmd" -> List(PegDownFilter)
+    te.pipelines += "multimarkdown" -> List(PegDownFilter)
+  }
+}