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mirror of https://codeberg.org/Freeyourgadget/Gadgetbridge synced 2024-12-28 19:45:50 +01:00

added some comments. [master]

This commit is contained in:
Utsob Roy 2018-08-24 20:57:38 +06:00
parent 8ca1b6e864
commit 8f12f10bfe

View File

@ -3,7 +3,10 @@ package nodomain.freeyourgadget.gadgetbridge.util;
import java.util.Hashtable; import java.util.Hashtable;
import java.util.regex.*; import java.util.regex.*;
// What's the reason to extending LanguageUtils?
// Just doing it because already done in the previous code.
public class BengaliLanguageUtils extends LanguageUtils { public class BengaliLanguageUtils extends LanguageUtils {
// Composite Letters.
private final static Hashtable<String, String> composites = new Hashtable<String, String>() { private final static Hashtable<String, String> composites = new Hashtable<String, String>() {
{ {
put("ক্ষ", "kkh"); put("ক্ষ", "kkh");
@ -20,6 +23,7 @@ public class BengaliLanguageUtils extends LanguageUtils {
put("্ব", "w"); put("্ব", "w");
} }
}; };
// Single Character Letters.
private final static Hashtable<String, String> letters = new Hashtable<String, String>() { private final static Hashtable<String, String> letters = new Hashtable<String, String>() {
{ {
put("", "aa"); put("", "aa");
@ -97,6 +101,7 @@ public class BengaliLanguageUtils extends LanguageUtils {
} }
}; };
// The regex to extract Bengali characters in nested groups.
private final static String pattern = "(র্){0,1}([অ-হড়-য়](্([অ-মশ-হড়-য়]))*)((){0,1}(্([য-ল]))){0,1}([া-ৌ]){0,1}|[্ঁঃংৎ০-৯।]| "; private final static String pattern = "(র্){0,1}([অ-হড়-য়](্([অ-মশ-হড়-য়]))*)((){0,1}(্([য-ল]))){0,1}([া-ৌ]){0,1}|[্ঁঃংৎ০-৯।]| ";
public static String transliterate(String txt) { public static String transliterate(String txt) {
@ -114,6 +119,9 @@ public class BengaliLanguageUtils extends LanguageUtils {
appendableString = appendableString + "rr"; appendableString = appendableString + "rr";
} }
int g = 0; int g = 0;
// This is a filter-down approach. First considering larger groups,
// If found any match breaks their. Else go to the next step.
// Helpful to solve some corner-cases.
while (g < 5) { while (g < 5) {
String key = m.group(g); String key = m.group(g);
if (key != null) { if (key != null) {
@ -154,6 +162,8 @@ public class BengaliLanguageUtils extends LanguageUtils {
appendableString = appendableString + letters.get(kaar); appendableString = appendableString + letters.get(kaar);
} }
} else if (appendableString.length() > 0 && !appendableString.equals(".")) { } else if (appendableString.length() > 0 && !appendableString.equals(".")) {
// Adding 'a' like ITRANS if no vowel is present.
// TODO: Have to add it dynamically using Bengali grammer rules.
appendableString = appendableString + "a"; appendableString = appendableString + "a";
} }
String others = m.group(0); String others = m.group(0);