Anomaly with Title case and Sentence case #9112 (#9142)

CHANGELOG.md

@@ -47,7 +47,7 @@ Note that this project **does not** adhere to [Semantic Versioning](http://semve
 - We fixed several bugs regarding the manual and the autosave of library files that sometimes lead to exceptions or data loss. [#9067](https://github.com/JabRef/jabref/pull/9067), [#8448](https://github.com/JabRef/jabref/issues/8484), [#8746](https://github.com/JabRef/jabref/issues/8746), [#6684](https://github.com/JabRef/jabref/issues/6684), [#6644](https://github.com/JabRef/jabref/issues/6644), [#6102](https://github.com/JabRef/jabref/issues/6102), [#6002](https://github.com/JabRef/jabref/issues/6000)
 - We fixed an issue where applied save actions on saving the library file would lead to the dialog "The library has been modified by another program" popping up [#4877](https://github.com/JabRef/jabref/issues/4877)
 - We fixed issues with save actions not correctly loaded when opening the library. [#9122](https://github.com/JabRef/jabref/pull/9122)
-- We fixed an issue where title case didn't capitalize words after en-dash characters. [#9068](https://github.com/JabRef/jabref/pull/9068)
+- We fixed an issue where title case didn't capitalize words after en-dash characters and skip capitalization of conjunctions that comes after en-dash characters. [#9068](https://github.com/JabRef/jabref/pull/9068),[#9142](https://github.com/JabRef/jabref/pull/9142)
 - We fixed an issue where JabRef would not exit when a connection to a LibreOffice document was established previously and the document is still open. [#9075](https://github.com/JabRef/jabref/issues/9075)
 - We fixed an issue about selecting the save order in the preferences. [#9175](https://github.com/JabRef/jabref/issues/9147)
 

src/main/java/org/jabref/logic/formatter/casechanger/TitleCaseFormatter.java

@@ -31,14 +31,14 @@ public String format(String input) {
                     Title title = new Title(sentence);
 
                     title.getWords().stream().filter(Word::isSmallerWord).forEach(Word::toLowerCase);
-                    title.getWords().stream().filter(Word::isLargerWord).forEach(Word::toUpperFirst);
+                    title.getWords().stream().filter(Word::isLargerWord).forEach(Word::toUpperFirstTitle);
 
-                    title.getFirstWord().ifPresent(Word::toUpperFirst);
-                    title.getLastWord().ifPresent(Word::toUpperFirst);
+                    title.getFirstWord().ifPresent(Word::toUpperFirstTitle);
+                    title.getLastWord().ifPresent(Word::toUpperFirstTitle);
 
                     for (int i = 0; i < (title.getWords().size() - 2); i++) {
                         if (title.getWords().get(i).endsWithColon()) {
-                            title.getWords().get(i + 1).toUpperFirst();
+                            title.getWords().get(i + 1).toUpperFirstTitle();
                         }
                     }
 

src/main/java/org/jabref/logic/formatter/casechanger/Word.java

@@ -18,20 +18,23 @@ public final class Word {
      */
     public static final Set<String> SMALLER_WORDS;
     public static final Set<Character> DASHES;
+    public static final Set<String> CONJUNCTIONS;
     private final char[] chars;
     private final boolean[] protectedChars;
 
     static {
         Set<String> smallerWords = new HashSet<>();
         Set<Character> dashes = new HashSet<>();
+        Set<String> conjunctions = new HashSet<>();
 
+        // Conjunctions used as part of Title case capitalisation to specifically check if word is conjunction or not
+        conjunctions.addAll(Arrays.asList("and", "but", "for", "nor", "or", "so", "yet"));
         // Articles
         smallerWords.addAll(Arrays.asList("a", "an", "the"));
         // Prepositions
         smallerWords.addAll(Arrays.asList("above", "about", "across", "against", "along", "among", "around", "at", "before", "behind", "below", "beneath", "beside", "between", "beyond", "by", "down", "during", "except", "for", "from", "in", "inside", "into", "like", "near", "of", "off", "on", "onto", "since", "to", "toward", "through", "under", "until", "up", "upon", "with", "within", "without"));
-        // Conjunctions
-        smallerWords.addAll(Arrays.asList("and", "but", "for", "nor", "or", "so", "yet"));
-
+        // Conjunctions used as part of all case capitalisation to check if it is a small word or not
+        smallerWords.addAll(conjunctions);
         // Dashes
         dashes.addAll(Arrays.asList(
                 '-', '~', '⸗', '〰', '᐀', '֊', '־', '‐', '‑', '‒',
@@ -42,6 +45,9 @@ public final class Word {
         // unmodifiable for thread safety
         DASHES = dashes;
 
+        // unmodifiable for thread safety
+        CONJUNCTIONS = conjunctions;
+
         // unmodifiable for thread safety
         SMALLER_WORDS = smallerWords.stream()
                                     .map(word -> word.toLowerCase(Locale.ROOT))
@@ -87,6 +93,39 @@ public void toLowerCase() {
     }
 
     public void toUpperFirst() {
+        for (int i = 0; i < chars.length; i++) {
+            if (!protectedChars[i]) {
+                chars[i] = (i == 0) ?
+                        Character.toUpperCase(chars[i]) :
+                        Character.toLowerCase(chars[i]);
+            }
+        }
+    }
+
+    public void toUpperFirstTitle() {
+        for (int i = 0; i < chars.length; i++) {
+            if (!protectedChars[i]) {
+                chars[i] = (i == 0 || (DASHES.contains(chars[i - 1]) && isConjunction(chars, i))) ?
+                        Character.toUpperCase(chars[i]) :
+                        Character.toLowerCase(chars[i]);
+            }
+        }
+    }
+
+    private boolean isConjunction(char[] chars, int i) {
+        String word = "";
+            while (i < chars.length && !DASHES.contains(chars[i])) {
+                word += chars[i];
+                i++;
+            }
+        if (CONJUNCTIONS.contains(word)) {
+            return false;
+        } else {
+            return true;
+        }
+    }
+
+    public void stripConsonants() {
         for (int i = 0; i < chars.length; i++) {
             if (!protectedChars[i]) {
                 chars[i] = (i == 0 || DASHES.contains(chars[i - 1])) ?

src/test/java/org/jabref/logic/formatter/casechanger/SentenceCaseFormatterTest.java

@@ -35,6 +35,8 @@ private static Stream<Arguments> testData() {
                         "England’s Monitor; the History of the Separation"),
                 Arguments.of("Dr. schultz: a dentist turned bounty hunter.",
                         "Dr. schultz: a dentist turned bounty hunter."),
+                Arguments.of("Wetting-and-drying",
+                        "wetting-and-drying"),
                 Arguments.of("Example case. {EXCLUDED SENTENCE.}",
                         "Example case. {EXCLUDED SENTENCE.}"),
                 Arguments.of("I have {Aa} dream", new SentenceCaseFormatter().getExampleInput()));

src/test/java/org/jabref/logic/formatter/casechanger/TitleCaseFormatterTest.java

@@ -55,6 +55,8 @@ private static Stream<Arguments> testData() {
                         "⁻⁻test−ing dash⸻like characters"),
                 Arguments.of("--Test〰Ing M-U~L゠T︱I⁓P︲L--~~︲E Dash⸻-Like Characters",
                         "--test〰ing M-u~l゠t︱i⁓p︲l--~~︲e dASH⸻-likE charACTErs"),
+                Arguments.of("--Wetting-and-Drying M-U~L゠T︱I⁓P︲L--~~︲E Dash⸻-Like Characters",
+                        "--wetting-and-drying M-u~l゠t︱i⁓p︲l--~~︲e dASH⸻-likE charACTErs"),
                 Arguments.of("Kinetic Studies on Enzyme-Catalyzed Reactions: Oxidation of Glucose, Decomposition of Hydrogen Peroxide and Their Combination",
                         "kinetic studies on enzyme-catalyzed reactions: oxidation of glucose, decomposition of hydrogen peroxide and their combination"),
                 Arguments.of("{BPMN} Conformance in Open Source Engines",