From 69bc6c2ae35883286d9c2b8cc77d5fa0a8c37351 Mon Sep 17 00:00:00 2001
From: pacien
Date: Thu, 26 Jul 2018 11:34:06 +0200
Subject: Kotlin rewrite, adding diagram options

---
 .../org/pacien/pandoc/filter/plantuml/Filter.java  | 84 ----------------------
 1 file changed, 84 deletions(-)
 delete mode 100644 src/main/java/org/pacien/pandoc/filter/plantuml/Filter.java

(limited to 'src/main/java')

diff --git a/src/main/java/org/pacien/pandoc/filter/plantuml/Filter.java b/src/main/java/org/pacien/pandoc/filter/plantuml/Filter.java
deleted file mode 100644
index 66abc2d..0000000
--- a/src/main/java/org/pacien/pandoc/filter/plantuml/Filter.java
+++ /dev/null
@@ -1,84 +0,0 @@
-package org.pacien.pandoc.filter.plantuml;
-
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.node.ArrayNode;
-import com.fasterxml.jackson.databind.node.ObjectNode;
-import com.fasterxml.jackson.databind.node.TextNode;
-import net.sourceforge.plantuml.FileFormat;
-import net.sourceforge.plantuml.FileFormatOption;
-import net.sourceforge.plantuml.SourceStringReader;
-
-import java.io.*;
-import java.util.Iterator;
-import java.util.stream.Collectors;
-
-final public class Filter {
-
-  private static final String BEGIN_TAG = "\\begin{tikzpicture}[yscale=-1]";
-  private static final String LINE_SEP = "\n";
-  private static final String TYPE_KEY = "t";
-  private static final String CONTENT_KEY = "c";
-  private static final String CODE_BLOCK_TYPE = "CodeBlock";
-  private static final String RAW_BLOCK_TYPE = "RawBlock";
-  private static final String PLANTUML_TYPE = "puml";
-  private static final String LATEX_TYPE = "latex";
-  private static final int META_INDEX = 0;
-  private static final int META_PROP_INDEX = 1;
-  private static final int META_PROP_TYPE_INDEX = 0;
-  private static final int CONTENT_INDEX = 1;
-
-  private static String plantumlToLatex(String puml) throws IOException {
-    try (ByteArrayOutputStream s = new ByteArrayOutputStream()) {
-      new SourceStringReader(puml).generateImage(s, new FileFormatOption(FileFormat.LATEX_NO_PREAMBLE));
-      try (BufferedReader r = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(s.toByteArray())))) {
-        return BEGIN_TAG + LINE_SEP + r.lines().filter(l -> !l.equals(BEGIN_TAG)).collect(Collectors.joining(LINE_SEP));
-      }
-    }
-  }
-
-  private static void renderPlantumlNode(ObjectNode n) throws IOException {
-    String puml = n.get(CONTENT_KEY).get(CONTENT_INDEX).asText();
-    String tikz = plantumlToLatex(puml);
-
-    n.set(TYPE_KEY, TextNode.valueOf(RAW_BLOCK_TYPE));
-    ((ArrayNode) n.get(CONTENT_KEY)).removeAll()
-    .add(TextNode.valueOf(LATEX_TYPE))
-    .add(TextNode.valueOf(tikz));
-  }
-
-  private static boolean isPlantumlNode(JsonNode n) {
-    return n.path(TYPE_KEY).asText().equals(CODE_BLOCK_TYPE) &&
-           n.path(CONTENT_KEY).path(META_INDEX).path(META_PROP_INDEX).path(META_PROP_TYPE_INDEX).asText().equals(PLANTUML_TYPE);
-  }
-
-  private static void walk(JsonNode n) throws IOException {
-    if (isPlantumlNode(n))
-      renderPlantumlNode((ObjectNode) n);
-    else if (n.isContainerNode())
-      for (Iterator<JsonNode> i = n.elements(); i.hasNext(); ) walk(i.next());
-  }
-
-  public static void filter(InputStream i, OutputStream o) throws IOException {
-    ObjectMapper m = new ObjectMapper();
-    JsonNode t = m.readTree(i);
-    if (t != null) {
-      walk(t);
-      m.writeValue(o, t);
-    }
-  }
-
-  public static void main(String args[]) {
-    try {
-      filter(System.in, System.out);
-    } catch (IOException e) {
-      e.printStackTrace();
-      System.exit(1);
-    }
-  }
-
-  private Filter() {
-    // static class
-  }
-
-}
-- 
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