diff options
Diffstat (limited to 'java/src/com/android/inputmethod/latin/utils/ScriptUtils.java')
| -rw-r--r-- | java/src/com/android/inputmethod/latin/utils/ScriptUtils.java | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/java/src/com/android/inputmethod/latin/utils/ScriptUtils.java b/java/src/com/android/inputmethod/latin/utils/ScriptUtils.java index 9ab7c7778..283bbf976 100644 --- a/java/src/com/android/inputmethod/latin/utils/ScriptUtils.java +++ b/java/src/com/android/inputmethod/latin/utils/ScriptUtils.java @@ -68,8 +68,8 @@ public class ScriptUtils { * Hence at the moment this explicitly tests for Cyrillic characters or Latin characters * as appropriate, and explicitly excludes CJK, Arabic and Hebrew characters. */ - public static boolean isLetterCheckableByScript(final int codePoint, final int script) { - switch (script) { + public static boolean isLetterPartOfScript(final int codePoint, final int scriptId) { + switch (scriptId) { case SCRIPT_LATIN: // Our supported latin script dictionaries (EFIGS) at the moment only include // characters in the C0, C1, Latin Extended A and B, IPA extensions unicode @@ -91,11 +91,29 @@ public class ScriptUtils { return (codePoint >= 0x370 && codePoint <= 0x3FF) || (codePoint >= 0x1F00 && codePoint <= 0x1FFF) || codePoint == 0xF2; + case SCRIPT_ARABIC: + // Arabic letters can be in any of the following blocks: + // Arabic U+0600..U+06FF + // Arabic Supplement U+0750..U+077F + // Arabic Extended-A U+08A0..U+08FF + // Arabic Presentation Forms-A U+FB50..U+FDFF + // Arabic Presentation Forms-B U+FE70..U+FEFF + return (codePoint >= 0x600 && codePoint <= 0x6FF) + || (codePoint >= 0x750 && codePoint <= 0x77F) + || (codePoint >= 0x8A0 && codePoint <= 0x8FF) + || (codePoint >= 0xFB50 && codePoint <= 0xFDFF) + || (codePoint >= 0xFE70 && codePoint <= 0xFEFF); + case SCRIPT_HEBREW: + // Hebrew letters are in the Hebrew unicode block, which spans from U+0590 to U+05FF, + // or in the Alphabetic Presentation Forms block, U+FB00..U+FB4F, but only in the + // Hebrew part of that block, which is U+FB1D..U+FB4F. + return (codePoint >= 0x590 && codePoint <= 0x5FF + || codePoint >= 0xFB1D && codePoint <= 0xFB4F); case SCRIPT_UNKNOWN: return true; default: // Should never come here - throw new RuntimeException("Impossible value of script: " + script); + throw new RuntimeException("Impossible value of script: " + scriptId); } } |