From 3d29e476a202b7e6c05df21cf557ce909bddc076 Mon Sep 17 00:00:00 2001
From: Svjatoslav Agejenko <svjatoslav@svjatoslav.eu>
Date: Thu, 6 Apr 2017 01:20:50 +0300
Subject: [PATCH] Restored HTML indexer to semi-working state.

---
 .../meviz/htmlindexer/UrlParamEncoder.java    | 55 +++++++++++++++++++
 .../svjatoslav/meviz/htmlindexer/Utils.java   | 25 ++++++---
 2 files changed, 73 insertions(+), 7 deletions(-)
 create mode 100755 src/main/java/eu/svjatoslav/meviz/htmlindexer/UrlParamEncoder.java

diff --git a/src/main/java/eu/svjatoslav/meviz/htmlindexer/UrlParamEncoder.java b/src/main/java/eu/svjatoslav/meviz/htmlindexer/UrlParamEncoder.java
new file mode 100755
index 0000000..15d9302
--- /dev/null
+++ b/src/main/java/eu/svjatoslav/meviz/htmlindexer/UrlParamEncoder.java
@@ -0,0 +1,55 @@
+/*
+ * Svjatoslav Commons - shared library of common functionality.
+ * Copyright ©2012-2014, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 3 of the GNU Lesser General Public License
+ * or later as published by the Free Software Foundation.
+ */
+
+package eu.svjatoslav.meviz.htmlindexer;
+
+public class UrlParamEncoder {
+
+	public static String decode(final String source) {
+
+		final String result = source.replaceAll("%20", " ");
+
+		return result;
+	}
+
+	public static String encode(final String source) {
+
+		final StringBuffer buffer = new StringBuffer();
+		for (int i = 0; i < source.length(); i++) {
+			boolean replaced = false;
+			final char character = source.charAt(i);
+
+			if (character == ' ') {
+				buffer.append("%20");
+				replaced = true;
+			}
+
+			if (character == '?') {
+				buffer.append("%3F");
+				replaced = true;
+			}
+
+			if (character == ',') {
+				buffer.append("%2C");
+				replaced = true;
+			}
+
+			if (character == ':') {
+				buffer.append("%3A");
+				replaced = true;
+			}
+
+			if (!replaced)
+				buffer.append(character);
+		}
+
+		return buffer.toString();
+	}
+
+}
diff --git a/src/main/java/eu/svjatoslav/meviz/htmlindexer/Utils.java b/src/main/java/eu/svjatoslav/meviz/htmlindexer/Utils.java
index 69c1c43..853b510 100755
--- a/src/main/java/eu/svjatoslav/meviz/htmlindexer/Utils.java
+++ b/src/main/java/eu/svjatoslav/meviz/htmlindexer/Utils.java
@@ -13,8 +13,10 @@ import eu.svjatoslav.meviz.htmlindexer.layouts.MixedLayout;
 
 import javax.imageio.ImageIO;
 import java.awt.image.BufferedImage;
-import java.io.*;
-import java.net.URLEncoder;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
 import java.util.HashSet;
 import java.util.zip.CRC32;
 
@@ -118,14 +120,23 @@ public class Utils {
         return isMevizFile;
     }
 
+    /**
+     * TODO: URL path component is encoded differently from URL query parameter.
+     * Also some URL encoding might work for HTML on local filesystem, while other
+     * stuff works for web. Things must be cleared up here. Currently they are mixed and
+     * hacked together.
+     */
     public static String urlEncode(String string) {
         if (string.startsWith("./"))
             string = string.substring(2);
 
-        try {
-            return URLEncoder.encode(string, UTF_8).replace("+", "%20");
-        } catch (UnsupportedEncodingException e) {
-            throw new RuntimeException(e);
-        }
+        // TODO: get rid of UrlParamEncoder.
+        return UrlParamEncoder.encode(string);
+        //
+//        try {
+//            return URLEncoder.encode(string, UTF_8).replace("+", "%20");
+//        } catch (UnsupportedEncodingException e) {
+//            throw new RuntimeException(e);
+//        }
     }
 }
-- 
2.20.1