See the document by Nathaniel Garson and David Germano entitled * Extended Wylie Transliteration Scheme. Note that there are * a couple of issues with the November 18, 2001 revision of that * document; these issues are in the Bugs tracker at our SourceForge * site.
* * @see SourceForge site * * @author David Chandler */ public class UnicodeCodepointToThdlWylie { /** Returns the THDL extended Wylie for the very simple sequence * x. Returns null iff some (Unicode) char in s has no THDL * extended Wylie representation. This is unaware of context, so * use it sparingly. */ public static StringBuffer getThdlWylieForUnicodeString(String x) { StringBuffer sb = new StringBuffer(); for (int i = 0; i < x.length(); i++) { String ew = getThdlWylieForUnicodeCodepoint(x.charAt(i)); if (null == ew) return null; sb.append(ew); } return sb; } /** Returns the THDL extended Wylie for x, or null if there is * none. Understand that multiple Unicode code points (chars) * map to the same THDL Extended Wylie representation. * Understand also that the scrap of THDL Extended Wylie returned * is only valid in certain contexts. For example, not all * consonants take ra-btags. DLC NOW what about * canonicalization? */ public static String getThdlWylieForUnicodeCodepoint(char x) { switch (x) { case '\u0F00': return "oM"; case '\u0F01': return null; case '\u0F02': return null; case '\u0F03': return null; case '\u0F04': return "@"; case '\u0F05': return "#"; case '\u0F06': return "$"; case '\u0F07': return "%"; case '\u0F08': return "!"; case '\u0F09': return null; case '\u0F0A': return null; case '\u0F0B': return " "; case '\u0F0C': return "*"; // DLC NOW: Jskad does not support this! case '\u0F0D': return "/"; case '\u0F0E': return "//"; // DLC FIXME: this is kind of a hack-- the Unicode standard says the spacing for this construct is different than the spacing for "\u0F0D\u0F0D" case '\u0F0F': return ";"; case '\u0F10': return "["; case '\u0F11': return "|"; case '\u0F12': return "]"; case '\u0F13': return "`"; case '\u0F14': return ":"; case '\u0F15': return null; case '\u0F16': return null; case '\u0F17': return null; case '\u0F18': return null; case '\u0F19': return null; case '\u0F1A': return null; case '\u0F1B': return null; case '\u0F1C': return null; case '\u0F1D': return null; case '\u0F1E': return null; case '\u0F1F': return null; case '\u0F20': return "0"; case '\u0F21': return "1"; case '\u0F22': return "2"; case '\u0F23': return "3"; case '\u0F24': return "4"; case '\u0F25': return "5"; case '\u0F26': return "6"; case '\u0F27': return "7"; case '\u0F28': return "8"; case '\u0F29': return "9"; case '\u0F2A': return null; case '\u0F2B': return null; case '\u0F2C': return null; case '\u0F2D': return null; case '\u0F2E': return null; case '\u0F2F': return null; case '\u0F30': return null; case '\u0F31': return null; case '\u0F32': return null; case '\u0F33': return null; case '\u0F34': return "="; case '\u0F35': return null; case '\u0F36': return null; case '\u0F37': return null; case '\u0F38': return null; case '\u0F39': return null; case '\u0F3A': return "<"; case '\u0F3B': return ">"; case '\u0F3C': return "("; case '\u0F3D': return ")"; case '\u0F3E': return "{"; case '\u0F3F': return "}"; case '\u0F40': return "k"; case '\u0F41': return "kh"; case '\u0F42': return "g"; case '\u0F43': return (getThdlWylieForUnicodeCodepoint('\u0F42') + TibetanMachineWeb.WYLIE_SANSKRIT_STACKING_KEY // DLC FIXME: is this right? + getThdlWylieForUnicodeCodepoint('\u0FB7')); case '\u0F44': return "ng"; case '\u0F45': return "c"; case '\u0F46': return "ch"; case '\u0F47': return "j"; case '\u0F48': return null; case '\u0F49': return "ny"; case '\u0F4A': return "T"; case '\u0F4B': return "Th"; case '\u0F4C': return "D"; case '\u0F4D': return (getThdlWylieForUnicodeCodepoint('\u0F4C') + TibetanMachineWeb.WYLIE_SANSKRIT_STACKING_KEY // DLC FIXME: is this right? + getThdlWylieForUnicodeCodepoint('\u0FB7')); case '\u0F4E': return "N"; case '\u0F4F': return "t"; case '\u0F50': return "th"; case '\u0F51': return "d"; case '\u0F52': return (getThdlWylieForUnicodeCodepoint('\u0F51') + TibetanMachineWeb.WYLIE_SANSKRIT_STACKING_KEY // DLC FIXME: is this right? + getThdlWylieForUnicodeCodepoint('\u0FB7')); case '\u0F53': return "n"; case '\u0F54': return "p"; case '\u0F55': return "ph"; case '\u0F56': return "b"; case '\u0F57': return (getThdlWylieForUnicodeCodepoint('\u0F56') + TibetanMachineWeb.WYLIE_SANSKRIT_STACKING_KEY // DLC FIXME: is this right? + getThdlWylieForUnicodeCodepoint('\u0FB7')); case '\u0F58': return "m"; case '\u0F59': return "ts"; case '\u0F5A': return "tsh"; case '\u0F5B': return "dz"; case '\u0F5C': return (getThdlWylieForUnicodeCodepoint('\u0F5B') + TibetanMachineWeb.WYLIE_SANSKRIT_STACKING_KEY // DLC FIXME: is this right? + getThdlWylieForUnicodeCodepoint('\u0FB7')); case '\u0F5D': return "w"; case '\u0F5E': return "zh"; case '\u0F5F': return "z"; case '\u0F60': return "'"; case '\u0F61': return "y"; case '\u0F62': return "r"; case '\u0F63': return "l"; case '\u0F64': return "sh"; case '\u0F65': return "Sh"; case '\u0F66': return "s"; case '\u0F67': return "h"; case '\u0F68': return "a"; // DLC: maybe the empty string is OK here because typing just 'i' into Jskad causes root letter \u0F68 to appear... yuck... case '\u0F69': return (getThdlWylieForUnicodeCodepoint('\u0F40') + TibetanMachineWeb.WYLIE_SANSKRIT_STACKING_KEY // DLC FIXME: is this right? + getThdlWylieForUnicodeCodepoint('\u0FB5')); case '\u0F6A': return "r"; case '\u0F6B': return null; case '\u0F6C': return null; case '\u0F6D': return null; case '\u0F6E': return null; case '\u0F6F': return null; case '\u0F70': return null; case '\u0F71': return "A"; case '\u0F72': return "i"; case '\u0F73': return "I"; case '\u0F74': return "u"; case '\u0F75': return "U"; case '\u0F76': return "r-i"; // DLC Ri or r-i? I put in a bug report. case '\u0F77': return "r-I"; // DLC or RI? case '\u0F78': return "l-i"; case '\u0F79': return "l-I"; case '\u0F7A': return "e"; case '\u0F7B': return "ai"; case '\u0F7C': return "o"; case '\u0F7D': return "au"; case '\u0F7E': return "M"; case '\u0F7F': return "H"; case '\u0F80': return "-i"; case '\u0F81': return "-I"; case '\u0F82': return "~^";// DLC unsupported in Jskad case '\u0F83': return "M^"; // DLC unsupported in Jskad case '\u0F84': return "?"; case '\u0F85': return "&"; case '\u0F86': return null; case '\u0F87': return null; case '\u0F88': return null; case '\u0F89': return null; case '\u0F8A': return null; case '\u0F8B': return null; case '\u0F8C': return null; case '\u0F8D': return null; case '\u0F8E': return null; case '\u0F8F': return null; case '\u0F90': return "k"; case '\u0F91': return "kh"; case '\u0F92': return "g"; case '\u0F93': return (getThdlWylieForUnicodeCodepoint('\u0F92') + TibetanMachineWeb.WYLIE_SANSKRIT_STACKING_KEY + getThdlWylieForUnicodeCodepoint('\u0FB7')); case '\u0F94': return "ng"; case '\u0F95': return "c"; case '\u0F96': return "ch"; case '\u0F97': return "j"; case '\u0F98': return null; case '\u0F99': return "ny"; case '\u0F9A': return "T"; case '\u0F9B': return "Th"; case '\u0F9C': return "D"; case '\u0F9D': return (getThdlWylieForUnicodeCodepoint('\u0F9C') + TibetanMachineWeb.WYLIE_SANSKRIT_STACKING_KEY + getThdlWylieForUnicodeCodepoint('\u0FB7')); case '\u0F9E': return "N"; case '\u0F9F': return "t"; case '\u0FA0': return "th"; case '\u0FA1': return "d"; case '\u0FA2': return (getThdlWylieForUnicodeCodepoint('\u0FA1') + TibetanMachineWeb.WYLIE_SANSKRIT_STACKING_KEY + getThdlWylieForUnicodeCodepoint('\u0FB7')); case '\u0FA3': return "n"; case '\u0FA4': return "p"; case '\u0FA5': return "ph"; case '\u0FA6': return "b"; case '\u0FA7': return (getThdlWylieForUnicodeCodepoint('\u0FA6') + TibetanMachineWeb.WYLIE_SANSKRIT_STACKING_KEY + getThdlWylieForUnicodeCodepoint('\u0FB7')); case '\u0FA8': return "m"; case '\u0FA9': return "ts"; case '\u0FAA': return "tsh"; case '\u0FAB': return "dz"; case '\u0FAC': return (getThdlWylieForUnicodeCodepoint('\u0FAB') + TibetanMachineWeb.WYLIE_SANSKRIT_STACKING_KEY + getThdlWylieForUnicodeCodepoint('\u0FB7')); case '\u0FAD': return "w"; case '\u0FAE': return "zh"; case '\u0FAF': return "z"; case '\u0FB0': return "'"; case '\u0FB1': return "y"; case '\u0FB2': return "r"; case '\u0FB3': return "l"; case '\u0FB4': return "sh"; case '\u0FB5': return "Sh"; case '\u0FB6': return "s"; case '\u0FB7': return "h"; case '\u0FB8': return "a"; // DLC see note on \u0F68 ... case '\u0FB9': return (getThdlWylieForUnicodeCodepoint('\u0F90') + TibetanMachineWeb.WYLIE_SANSKRIT_STACKING_KEY + getThdlWylieForUnicodeCodepoint('\u0FB5')); case '\u0FBA': return "w"; case '\u0FBB': return "y"; case '\u0FBC': return "r"; case '\u0FBD': return null; case '\u0FBE': return null; case '\u0FBF': return null; case '\u0FC0': return null; case '\u0FC1': return null; case '\u0FC2': return null; case '\u0FC3': return null; case '\u0FC4': return null; case '\u0FC5': return null; case '\u0FC6': return null; case '\u0FC7': return null; case '\u0FC8': return null; case '\u0FC9': return null; case '\u0FCA': return null; case '\u0FCB': return null; case '\u0FCC': return null; case '\u0FCD': return null; case '\u0FCE': return null; case '\u0FCF': return null; // DLC i added this to the 'EWTS document misspeaks' bug report... null I think... default: { // DLC handle space (EW's "_") // This codepoint is in the range 0FD0-0FFF or is not in // the Tibetan range at all. In either case, there is no // corresponding THDL Extended Wylie. return null; } } // end switch } }