71 lines
3.1 KiB
Java
71 lines
3.1 KiB
Java
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/*
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The contents of this file are subject to the THDL Open Community License
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Version 1.0 (the "License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License on the THDL web site
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(http://www.thdl.org/).
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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License for the specific terms governing rights and limitations under the
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License.
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The Initial Developer of this software is the Tibetan and Himalayan Digital
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Library (THDL). Portions created by the THDL are Copyright 2003-2004 THDL.
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All Rights Reserved.
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Contributor(s): ______________________________________.
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*/
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package org.thdl.tib.text.ttt;
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/** A TTraits object encapsulates all the things that make a
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* particular Roman transliteration scheme unique. If both EWTS and
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* ACIP transliterations have a property in common, then it's likely
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* encoded in a manner that's hard to modify. But if they differ in
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* some respect, then that difference should be encoded in a TTraits
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* object.
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*
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* <p>It is very likely that classes that implement this interface
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* will choose to use the design pattern 'singleton'. */
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interface TTraits {
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/** Returns the disambiguator for this transliteration scheme,
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* which had better be a string containing just one character
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* lest {@link #disambiguatorChar()} become nonsensical for
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* certain transliteration systems. A disambiguator is the
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* string that separates two bits of transliteration that would
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* otherwise be interpreted differently. The canonical example
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* is EWTS's {gya} versus {g.ya}, which, due to the disambiguator
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* in the latter, are different sequences of Unicode. */
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String disambiguator();
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/** For convenience, a convenience that is possible because ACIP's
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* and EWTS's disambiguator strings both have length one, this
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* method returns the sole character in the string returned by
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* {@link #disambiguator()}. */
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char disambiguatorChar();
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/** Returns the maximum number of characters of transliteration
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* required to denote a Tibetan consonant. */
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int maxConsonantLength();
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/** Returns the maximum number of characters of transliteration
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* required to denote a Tibetan wowel, i.e. a vowel or one or
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* more hangers-on like U+TODO(DLC)[EWTS->Tibetan]:_NOW or both. */
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int maxWowelLength();
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// TODO(DLC)[EWTS->Tibetan]: use the term 'wowel' everywhere, never "vowel" unless you mean just {e,i,o,u}
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/** Returns true if and only if <em>s</em> is a stretch of
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* transliteration corresponding to a Tibetan consonant (without
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* any wowel) */
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boolean isConsonant(String s);
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/** Returns true if and only if <em>s</em> is a stretch of
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* transliteration corresponding to a Tibetan wowel (without any
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* [achen or other] consonant) */
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boolean isWowel(String s);
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/** Returns true if and only if the pair given has a simple error
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* other than being a mere disambiguator. */
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boolean hasSimpleError(TPair p);
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}
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