From 6c561b518b28920ad1433c12c16d0c991a228c91 Mon Sep 17 00:00:00 2001
From: Baron Roberts <baron@cthing.com>
Date: Wed, 3 Apr 2024 22:14:19 -0700
Subject: [PATCH] Eliminate testing for whether to escape and just escape.

---
 .../java/org/cthing/xmlwriter/XmlWriter.java  | 33 +++----------------
 .../org/cthing/xmlwriter/XmlWriterTest.java   | 23 -------------
 2 files changed, 4 insertions(+), 52 deletions(-)

diff --git a/src/main/java/org/cthing/xmlwriter/XmlWriter.java b/src/main/java/org/cthing/xmlwriter/XmlWriter.java
index a09a40d..37c5971 100755
--- a/src/main/java/org/cthing/xmlwriter/XmlWriter.java
+++ b/src/main/java/org/cthing/xmlwriter/XmlWriter.java
@@ -2604,31 +2604,6 @@ void writeQuoted(final char[] carr, final int start, final int length) throws SA
         writeRaw('"');
     }
 
-    /**
-     * Determines whether the specified portion of the character array requires escaping.
-     *
-     * @param carr Character array to test
-     * @param start Starting index in the array
-     * @param length Number of characters to test
-     * @return {@code true} if the specified character array requires escaping.
-     */
-    @AccessForTesting
-    static boolean needsEscaping(final char[] carr, final int start, final int length) {
-        int end = start + length;
-        while (--end >= start) {
-            final char c = carr[end];
-
-            if (c == '<' || c == '>' || c == '&' || c == '\n') {
-                return true;
-            }
-            if ((c <= '\u001F' || c >= '\u007F') && c != '\t' && c != '\r') {
-                return true;
-            }
-        }
-
-        return false;
-    }
-
     /**
      * Writes the specified character array to the output escaping the '&amp;', '&lt;', and '&gt;' characters using
      * the standard XML escape sequences and escaping any character above the ASCII range using a numeric character
@@ -2641,7 +2616,7 @@ static boolean needsEscaping(final char[] carr, final int start, final int lengt
      */
     @AccessForTesting
     void writeEscaped(final char[] carr, final int start, final int length) throws SAXException {
-        if (this.escaping && needsEscaping(carr, start, length)) {
+        if (this.escaping) {
             final int end = start + length;
             int i = start;
             while (i < end) {
@@ -2671,10 +2646,10 @@ void writeEscaped(final int c) throws SAXException {
             case '\n' -> writeNewline();
             case '\t', '\r' -> writeRaw((char)c);
             default -> {
-                if (c > '\u001F' && c < '\u007F') {
+                if (c > 0x001F && c < 0x007F) {
                     writeRaw((char)c);
-                } else if ((c >= '\u007F' && c <= '\uD7FF')
-                        || (c >= '\uE000' && c <= '\uFFFD')
+                } else if ((c >= 0x007F && c <= 0xD7FF)
+                        || (c >= 0xE000 && c <= 0xFFFD)
                         || (c >= 0x10000 && c <= 0x10FFFF)) {
                     writeRaw("&#x");
                     writeRaw(Integer.toHexString(c).toUpperCase());
diff --git a/src/test/java/org/cthing/xmlwriter/XmlWriterTest.java b/src/test/java/org/cthing/xmlwriter/XmlWriterTest.java
index b958c8b..6e6c384 100755
--- a/src/test/java/org/cthing/xmlwriter/XmlWriterTest.java
+++ b/src/test/java/org/cthing/xmlwriter/XmlWriterTest.java
@@ -87,29 +87,6 @@ void testWriteRawChar() throws Exception {
         assertThat(this.stringWriter).hasToString(testString);
     }
 
-    public static Stream<Arguments> needsEscapingProvider() {
-        return Stream.of(
-                arguments("", false),
-                arguments("abc", false),
-                arguments("<abc", true),
-                arguments("abc>", true),
-                arguments("a&bc", true),
-                arguments("a\nbc", true),
-                arguments("a\tbc", false),
-                arguments("a\rbc", false),
-                arguments("a\u008Abc", true),
-                arguments("a\uE08Abc", true),
-                arguments("a\uD83D\uDE03bc", true)
-        );
-    }
-
-    @ParameterizedTest
-    @MethodSource("needsEscapingProvider")
-    @DisplayName("Determine whether an array requires escaping")
-    void testNeedsEscaping(final String str, final boolean needsEscaping) {
-        assertThat(XmlWriter.needsEscaping(str.toCharArray(), 0, str.length())).isEqualTo(needsEscaping);
-    }
-
     @Test
     @DisplayName("Write an array with escaping")
     void testWriteEscapedArray() throws Exception {