Add snippet

1 files changed, 79 insertions, 1 deletions

diff --git a/indefinite.txt b/indefinite.txt
index dcf2997..0e94608 100644
--- a/indefinite.txt
+++ b/indefinite.txt
@@ -72,4 +72,82 @@ sub select_indefinite_article {
     return "a";
 }
 
-
+public static String get(String phrase) {
+		Pattern pattern;
+		Matcher matcher;
+		String word, lowercaseWord;
+		
+		if (phrase.length() == 0) {
+			return "a";
+		}
+		
+		// Getting the first word 
+		pattern = Pattern.compile("(\\w+)\\s*.*");
+		matcher = pattern.matcher(phrase);
+		if(matcher.matches() == true) {
+			word = matcher.group(1);
+		} else {
+			return "an";
+		}
+
+		lowercaseWord = word.toLowerCase();
+	    
+	    // Specific start of words that should be preceded by 'an'
+	    String [] altCases = { "euler", "heir", "honest", "hono" };
+	    for (String altCase : altCases) {
+	        if (lowercaseWord.startsWith(altCase) == true) {
+	            return "an";
+	        }
+	    }
+	    
+	    if (lowercaseWord.startsWith("hour") == true && lowercaseWord.startsWith("houri") == false) {
+	    	return "an";
+	    }
+
+	    
+	    // Single letter word which should be preceded by 'an'
+	    if (lowercaseWord.length() == 1) {
+	        if ("aedhilmnorsx".indexOf(lowercaseWord) >= 0) {
+	            return "an";
+	        } else {
+	            return "a";
+	        }
+	    }
+	    
+	    // Capital words which should likely be preceded by 'an'
+	    if (word.matches("(?!FJO|[HLMNS]Y.|RY[EO]|SQU|(F[LR]?|[HL]|MN?|N|RH?|S[CHKLMNPTVW]?|X(YL)?)[AEIOU])[FHLMNRSX][A-Z]")) {
+	        return "an";
+	    }
+	    
+	    // Special cases where a word that begins with a vowel should be preceded by 'a'
+	    String [] regexes = { "^e[uw]", "^onc?e\\b", "^uni([^nmd]|mo)", "^u[bcfhjkqrst][aeiou]" };
+	    
+	    for (String regex : regexes) {
+	        if (lowercaseWord.matches(regex+".*") == true) {
+	            return "a";
+	        }
+	    }
+	    
+	    // Special capital words (UK, UN)
+	    if (word.matches("^U[NK][AIEO].*") == true) {
+	        return "a";
+	    } else if (word == word.toUpperCase()) {
+	        if ("aedhilmnorsx".indexOf(lowercaseWord.substring(0, 1)) >= 0) {
+	            return "an";
+	        } else {
+	            return "a";
+	        }
+	    }
+	    
+	    // Basic method of words that begin with a vowel being preceded by 'an'
+	    if ("aeiou".indexOf(lowercaseWord.substring(0, 1)) >= 0) {
+	        return "an";
+	    }
+	    
+	    // Instances where y followed by specific letters is preceded by 'an'
+	    if (lowercaseWord.matches("^y(b[lor]|cl[ea]|fere|gg|p[ios]|rou|tt).*")) {
+	        return "an";
+	    }
+	    
+		return "a";
+	}