116 lines
4.4 KiB
Java
116 lines
4.4 KiB
Java
/*
|
|
The contents of this file are subject to the THDL Open Community License
|
|
Version 1.0 (the "License"); you may not use this file except in compliance
|
|
with the License. You may obtain a copy of the License on the THDL web site
|
|
(http://www.thdl.org/).
|
|
|
|
Software distributed under the License is distributed on an "AS IS" basis,
|
|
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
|
|
License for the specific terms governing rights and limitations under the
|
|
License.
|
|
|
|
The Initial Developer of this software is the Tibetan and Himalayan Digital
|
|
Library (THDL). Portions created by the THDL are Copyright 2001-2003 THDL.
|
|
All Rights Reserved.
|
|
|
|
Contributor(s): ______________________________________.
|
|
*/
|
|
|
|
package org.thdl.tib.text.tshegbar;
|
|
|
|
import org.thdl.util.ThdlDebug;
|
|
|
|
|
|
/** DLC FIXMEDOC */
|
|
class TransitionInstruction implements UnicodeReadingStateMachineConstants {
|
|
private TransitionInstruction() { super(); }
|
|
TransitionInstruction(int nextState, int action) {
|
|
super();
|
|
|
|
ThdlDebug.verify(action == ACTION_CONTINUES_GRAPHEME_CLUSTER
|
|
|| action == ACTION_BEGINS_NEW_GRAPHEME_CLUSTER
|
|
|| action == ACTION_PREPEND_WITH_0F68); // DLC FIXME: assert this.
|
|
|
|
ThdlDebug.verify(nextState == STATE_START
|
|
|| nextState == STATE_READY
|
|
|| nextState == STATE_DIGIT
|
|
|| nextState == STATE_STACKING
|
|
|| nextState == STATE_STACKPLUSACHUNG
|
|
|| nextState == STATE_PARTIALMARK); // DLC FIXME: assert this.
|
|
|
|
// we start in the start state, but we can never return to it.
|
|
ThdlDebug.verify(nextState != STATE_START); // DLC FIXME: assert this.
|
|
|
|
this.nextState = nextState;
|
|
this.action = action;
|
|
}
|
|
|
|
/** the state (e.g., {@link #STATE_READY}) to which to transition
|
|
* next */
|
|
private int nextState;
|
|
|
|
/** the action to perform upon transition, either {@link
|
|
* #ACTION_CONTINUES_GRAPHEME_CLUSTER}, {@link
|
|
* #ACTION_BEGINS_NEW_GRAPHEME_CLUSTER}, or {@link
|
|
* #ACTION_PREPEND_WITH_0F68} */
|
|
private int action;
|
|
|
|
int getAction() { return action; }
|
|
int getNextState() { return nextState; }
|
|
|
|
|
|
/** Returns the codepoint class for cp, e.g. {@link
|
|
* UnicodeReadingStateMachineConstants#CC_SJC}.
|
|
* @param cp a Unicode codepoint, which MUST be nondecomposable
|
|
* if it is in the Tibetan range but can be from outside the
|
|
* Tibetan range of Unicode */
|
|
static int getCCForCP(char cp) {
|
|
ThdlDebug.verify(getNFTHDL(cp) == null); // DLC FIXME: assert this
|
|
if ('\u0F82' == cp) {
|
|
return CC_0F82;
|
|
} else if ('\u0F8A' == cp) {
|
|
return CC_0F8A;
|
|
} else if ('\u0F39' == cp) {
|
|
return CC_0F39;
|
|
} else if ('\u0F71' == cp) {
|
|
return CC_SUBSCRIBED_ACHUNG;
|
|
} else if ('\u0F40' <= cp && cp <= '\u0F6A') {
|
|
ThdlDebug.verify(cp != '\u0F48'); // DLC FIXME: assert this
|
|
return CC_CON;
|
|
} else if ('\u0F90' <= cp && cp <= '\u0FBC') {
|
|
ThdlDebug.verify(cp != '\u0F98'); // DLC FIXME: assert this
|
|
return CC_SJC;
|
|
} else if ('\u0F20' <= cp && cp <= '\u0F33') {
|
|
return CC_DIGIT;
|
|
} else if (/* DLC NOW do these combine ONLY with digits, or do CC_CM just NOT combine with digits? */
|
|
'\u0F3E' == cp
|
|
|| '\u0F3F' == cp
|
|
|| '\u0F18' == cp
|
|
|| '\u0F19' == cp) {
|
|
return CC_MCWD;
|
|
} else if ('\u0FC6' == cp
|
|
|| '\u0F87' == cp
|
|
|| '\u0F86' == cp
|
|
|| '\u0F84' == cp
|
|
|| '\u0F83' == cp
|
|
|| '\u0F82' == cp
|
|
|| '\u0F7F' == cp
|
|
|| '\u0F7E' == cp
|
|
|| '\u0F37' == cp /* DLC NOW NORMALIZATION OF 0F10, 11 to 0F0F ??? */
|
|
|| '\u0F35' == cp) {
|
|
return CC_CM;
|
|
} else if ('\u0F72' == cp
|
|
|| '\u0F74' == cp
|
|
|| '\u0F7A' == cp
|
|
|| '\u0F7B' == cp
|
|
|| '\u0F7C' == cp
|
|
|| '\u0F7D' == cp
|
|
|| '\u0F80' == cp) {
|
|
// DLC what about U+0F84 ??? CC_V or CC_CM ?
|
|
return CC_V;
|
|
} else {
|
|
return CC_SIN;
|
|
}
|
|
}
|
|
|
|
}
|