1033 lines
56 KiB
Java
1033 lines
56 KiB
Java
/*
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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 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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import java.io.*;
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import java.util.ArrayList;
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import java.util.Stack;
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import org.thdl.util.ThdlDebug;
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import org.thdl.util.ThdlOptions;
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/**
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* This class is able to break up Strings of ACIP text (for example, an
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* entire sutra file) into tsheg bars, comments, etc. Folio markers,
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* comments, and the like are segregated (so that consumers can ensure
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* that they remain in Latin), and Tibetan passages are broken up into
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* tsheg bars.
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*
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* <p><b>FIXME:</b> We should be handling {KA\n\nKHA} vs. {KA\nKHA} in
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* the parser, not here in the lexical analyzer. That'd be cleaner,
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* and more like how you'd do things if you used lex and yacc.
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*
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* @author David Chandler */
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public class ACIPTshegBarScanner {
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/** Useful for testing. Gives error messages on standard output
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* about why we can't scan the document perfectly and exits with
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* non-zero return code, or says "Good scan!" otherwise and exits
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* with code zero. <p>FIXME: not so efficient; copies the whole
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* file into memory first. */
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public static void main(String[] args) throws IOException {
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if (args.length != 1) {
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System.out.println("Bad args! Need just the name of the ACIP text file.");
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System.exit(1);
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}
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StringBuffer errors = new StringBuffer();
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int maxErrors = 1000;
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ArrayList al = scanFile(args[0], errors, maxErrors - 1);
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if (null == al) {
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System.out.println(maxErrors + " or more errors occurred while scanning ACIP input file; is this");
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System.out.println("Tibetan or English input?");
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System.out.println("");
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System.out.println("First " + maxErrors + " errors scanning ACIP input file: ");
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System.out.println(errors);
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System.out.println("Exiting with " + maxErrors + " or more errors; please fix input file and try again.");
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System.exit(1);
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}
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if (errors.length() > 0) {
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System.out.println("Errors scanning ACIP input file: ");
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System.out.println(errors);
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System.out.println("Exiting; please fix input file and try again.");
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System.exit(1);
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}
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System.out.println("Good scan!");
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System.exit(0);
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}
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/** Scans an ACIP file with path fname into tsheg bars. If errors
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* is non-null, error messages will be appended to it. Returns a
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* list of TStrings that is the scan. <p>FIXME: not so
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* efficient; copies the whole file into memory first.
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* @throws IOException if we cannot read in the ACIP input file */
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public static ArrayList scanFile(String fname, StringBuffer errors, int maxErrors)
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throws IOException
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{
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return scanStream(new FileInputStream(fname),
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errors, maxErrors);
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}
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/** Scans a stream of ACIP into tsheg bars. If errors is
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* non-null, error messages will be appended to it. You can
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* recover both errors and warnings (modulo offset information)
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* from the result, though. Returns a list of TStrings that
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* is the scan, or null if more than maxErrors occur. <p>FIXME:
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* not so efficient; copies the whole file into memory first.
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* @throws IOException if we cannot read the whole ACIP stream */
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public static ArrayList scanStream(InputStream stream, StringBuffer errors,
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int maxErrors)
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throws IOException
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{
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StringBuffer s = new StringBuffer();
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char ch[] = new char[8192];
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BufferedReader in
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= new BufferedReader(new InputStreamReader(stream, "US-ASCII"));
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int amt;
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while (-1 != (amt = in.read(ch))) {
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s.append(ch, 0, amt);
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}
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in.close();
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return scan(s.toString(), errors, maxErrors);
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}
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/** Helper. Here because ACIP {MTHAR%\nKHA} should be treated the
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same w.r.t. tsheg insertion regardless of the lex errors and
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lex warnings found. */
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private static boolean lastNonExceptionalThingWasAdornmentOr(ArrayList al, int kind) {
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int i = al.size() - 1;
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while (i >= 0 && (((TString)al.get(i)).getType() == TString.WARNING
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|| ((TString)al.get(i)).getType() == TString.ERROR))
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--i;
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return (i >= 0 && // FIXME: or maybe i < 0 || ...
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(((TString)al.get(i)).getType() == kind
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|| ((TString)al.get(i)).getType() == TString.TSHEG_BAR_ADORNMENT));
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}
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// DLC FIXME "H:\n\n" becomes "H: \n\n", wrongly I think. See
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// Tibetan! 5.1 section on formatting Tibetan texts.
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/** Returns a list of {@link TString TStrings} corresponding
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* to s, possibly the empty list (when the empty string is the
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* input). Each String is either a Latin comment, some Latin
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* text, a tsheg bar (minus the tsheg or shad or whatever), a
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* String of inter-tsheg-bar punctuation, etc.
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*
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* <p>This not only scans; it finds all the errors and warnings a
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* parser would too, like "NYA x" and "(" and ")" and "/NYA" etc.
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* It puts those in as TStrings with type {@link
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* TString#ERROR} or {@link TString#WARNING}, and also, if
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* errors is non-null, appends helpful messages to errors, each
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* followed by a '\n'.
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* @param s the ACIP text
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* @param errors if non-null, the buffer to which to append error
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* messages (FIXME: kludge, just get this info by scanning
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* the result for TString.ERROR (and maybe TString.WARNING,
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* if you care about warnings), but then we'd have to put the
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* Offset info in the TString)
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* @param maxErrors if nonnegative, then scanning will stop when
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* more than maxErrors errors occur. In this event, null is
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* returned.
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* @return null if more than maxErrors errors occur, or the scan
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* otherwise
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*/
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public static ArrayList scan(String s, StringBuffer errors, int maxErrors) {
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// the size depends on whether it's mostly Tibetan or mostly
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// Latin and a number of other factors. This is meant to be
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// an underestimate, but not too much of an underestimate.
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int numErrors = 0;
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ArrayList al = new ArrayList(s.length() / 10);
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boolean waitingForMatchingIllegalClose = false;
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int sl = s.length();
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int currentType = TString.ERROR;
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int startOfString = 0;
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Stack bracketTypeStack = new Stack();
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int startSlashIndex = -1;
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int startParenIndex = -1;
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int numNewlines = 0;
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for (int i = 0; i < sl; i++) {
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if (i < startOfString) throw new Error("bad reset");
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char ch;
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ch = s.charAt(i);
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if (ch == '\n') ++numNewlines;
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if (TString.COMMENT == currentType && ch != ']') {
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if ('[' == ch) {
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al.add(new TString("ACIP", "Found an open bracket within a [#COMMENT]-style comment. Brackets may not appear in comments.\n",
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TString.ERROR));
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if (null != errors)
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errors.append("Offset " + i + ((numNewlines == 0) ? "" : (" or maybe " + (i-numNewlines))) + ": "
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+ "Found an open bracket within a [#COMMENT]-style comment. Brackets may not appear in comments.\n");
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if (maxErrors >= 0 && ++numErrors >= maxErrors) return null;
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}
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continue;
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}
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switch (ch) {
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case '}': // fall through...
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case ']':
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if (bracketTypeStack.empty()) {
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// Error.
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if (startOfString < i) {
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al.add(new TString("ACIP", s.substring(startOfString, i),
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currentType));
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}
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if (!waitingForMatchingIllegalClose) {
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al.add(new TString("ACIP", "Found a truly unmatched close bracket, " + s.substring(i, i+1),
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TString.ERROR));
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if (null != errors) {
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errors.append("Offset " + i + ((numNewlines == 0) ? "" : (" or maybe " + (i-numNewlines))) + ": "
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+ "Found a truly unmatched close bracket, ] or }.\n");
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}
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if (maxErrors >= 0 && ++numErrors >= maxErrors) return null;
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}
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waitingForMatchingIllegalClose = false;
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al.add(new TString("ACIP", "Found a closing bracket without a matching open bracket. Perhaps a [#COMMENT] incorrectly written as [COMMENT], or a [*CORRECTION] written incorrectly as [CORRECTION], caused this.",
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TString.ERROR));
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if (null != errors)
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errors.append("Offset " + i + ((numNewlines == 0) ? "" : (" or maybe " + (i-numNewlines))) + ": "
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+ "Found a closing bracket without a matching open bracket. Perhaps a [#COMMENT] incorrectly written as [COMMENT], or a [*CORRECTION] written incorrectly as [CORRECTION], caused this.\n");
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if (maxErrors >= 0 && ++numErrors >= maxErrors) return null;
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startOfString = i+1;
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currentType = TString.ERROR;
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} else {
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int stackTop = ((Integer)bracketTypeStack.pop()).intValue();
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int end = startOfString;
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if (TString.CORRECTION_START == stackTop) {
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// This definitely indicates a new token.
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char prevCh = s.charAt(i-1);
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if (prevCh == '?')
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end = i - 1;
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else
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end = i;
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if (startOfString < end) {
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al.add(new TString("ACIP", s.substring(startOfString, end),
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currentType));
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}
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if ('?' != prevCh) {
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currentType = TString.PROBABLE_CORRECTION;
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} else {
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currentType = TString.POSSIBLE_CORRECTION;
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}
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}
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al.add(new TString("ACIP", s.substring(end, i+1), currentType));
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startOfString = i+1;
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currentType = TString.ERROR;
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}
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break; // end ']','}' case
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case '{': // NOTE WELL: KX0016I.ACT, KD0095M.ACT, and a
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// host of other ACIP files use {} brackets like
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// [] brackets. I treat both the same.
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// fall through...
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case '[':
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// This definitely indicates a new token.
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if (startOfString < i) {
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al.add(new TString("ACIP", s.substring(startOfString, i),
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currentType));
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startOfString = i;
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currentType = TString.ERROR;
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}
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String thingy = null;
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if (i + "[DD]".length() <= sl
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&& (s.substring(i, i + "[DD]".length()).equals("[DD]")
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|| s.substring(i, i + "[DD]".length()).equals("{DD}"))) {
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thingy = "[DD]";
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currentType = TString.DD;
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} else if (i + "[DD1]".length() <= sl
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&& (s.substring(i, i + "[DD1]".length()).equals("[DD1]")
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|| s.substring(i, i + "[DD1]".length()).equals("{DD1}"))) {
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thingy = "[DD1]";
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currentType = TString.DD;
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} else if (i + "[DD2]".length() <= sl
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&& (s.substring(i, i + "[DD2]".length()).equals("[DD2]")
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|| s.substring(i, i + "[DD2]".length()).equals("{DD2}"))) {
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thingy = "[DD2]";
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currentType = TString.DD;
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} else if (i + "[DDD]".length() <= sl
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&& (s.substring(i, i + "[DDD]".length()).equals("[DDD]")
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|| s.substring(i, i + "[DDD]".length()).equals("{DDD}"))) {
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thingy = "[DDD]";
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currentType = TString.DD;
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} else if (i + "[DR]".length() <= sl
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&& (s.substring(i, i + "[DR]".length()).equals("[DR]")
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|| s.substring(i, i + "[DR]".length()).equals("{DR}"))) {
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thingy = "[DR]";
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currentType = TString.DR;
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} else if (i + "[LS]".length() <= sl
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&& (s.substring(i, i + "[LS]".length()).equals("[LS]")
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|| s.substring(i, i + "[LS]".length()).equals("{LS}"))) {
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thingy = "[LS]";
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currentType = TString.LS;
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} else if (i + "[BP]".length() <= sl
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&& (s.substring(i, i + "[BP]".length()).equals("[BP]")
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|| s.substring(i, i + "[BP]".length()).equals("{BP}"))) {
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thingy = "[BP]";
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currentType = TString.BP;
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} else if (i + "[BLANK PAGE]".length() <= sl
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&& (s.substring(i, i + "[BLANK PAGE]".length()).equals("[BLANK PAGE]")
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|| s.substring(i, i + "[BLANK PAGE]".length()).equals("{BLANK PAGE}"))) {
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thingy = "[BLANK PAGE]";
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currentType = TString.BP;
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} else if (i + "[ BP ]".length() <= sl
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&& (s.substring(i, i + "[ BP ]".length()).equals("[ BP ]")
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|| s.substring(i, i + "[ BP ]".length()).equals("{ BP }"))) {
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thingy = "{ BP }"; // found in TD3790E2.ACT
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currentType = TString.BP;
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} else if (i + "[ DD ]".length() <= sl
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&& (s.substring(i, i + "[ DD ]".length()).equals("[ DD ]")
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|| s.substring(i, i + "[ DD ]".length()).equals("{ DD }"))) {
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thingy = "{ DD }"; // found in TD3790E2.ACT
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currentType = TString.DD;
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} else if (i + "[?]".length() <= sl
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&& (s.substring(i, i + "[?]".length()).equals("[?]")
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|| s.substring(i, i + "[?]".length()).equals("{?}"))) {
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thingy = "[?]";
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currentType = TString.QUESTION;
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} else {
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// We see comments appear not as [#COMMENT], but
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// as [COMMENT] sometimes. We make special cases
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// for some English comments. There's no need to
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// make this mechanism extensible, because you
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// can easily edit the ACIP text so that it uses
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// [#COMMENT] notation instead of [COMMENT].
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String[] englishComments = new String[] {
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"FIRST", "SECOND", // S5274I.ACT
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"Additional verses added by Khen Rinpoche here are", // S0216M.ACT
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"ADDENDUM: The text of", // S0216M.ACT
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"END OF ADDENDUM", // S0216M.ACT
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"Some of the verses added here by Khen Rinpoche include:", // S0216M.ACT
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"Note that, in the second verse, the {YUL LJONG} was orignally {GANG LJONG},\nand is now recited this way since the ceremony is not only taking place in Tibet.", // S0216M.ACT
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"Note that, in the second verse, the {YUL LJONG} was orignally {GANG LJONG},\r\nand is now recited this way since the ceremony is not only taking place in Tibet.", // S0216M.ACT
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"text missing", // S6954E1.ACT
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"INCOMPLETE", // TD3817I.INC
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"MISSING PAGE", // S0935m.act
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"MISSING FOLIO", // S0975I.INC
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"UNCLEAR LINE", // S0839D1I.INC
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"THE FOLLOWING TEXT HAS INCOMPLETE SECTIONS, WHICH ARE ON ORDER", // SE6260A.INC
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"@DATA INCOMPLETE HERE", // SE6260A.INC
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"@DATA MISSING HERE", // SE6260A.INC
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"LINE APPARENTLY MISSING THIS PAGE", // TD4035I.INC
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"DATA INCOMPLETE HERE", // TD4226I2.INC
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"DATA MISSING HERE", // just being consistent
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"FOLLOWING SECTION WAS NOT AVAILABLE WHEN THIS EDITION WAS\nPRINTED, AND IS SUPPLIED FROM ANOTHER, PROBABLY THE ORIGINAL:", // S0018N.ACT
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"FOLLOWING SECTION WAS NOT AVAILABLE WHEN THIS EDITION WAS\r\nPRINTED, AND IS SUPPLIED FROM ANOTHER, PROBABLY THE ORIGINAL:", // S0018N.ACT
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"THESE PAGE NUMBERS RESERVED IN THIS EDITION FOR PAGES\nMISSING FROM ORIGINAL ON WHICH IT WAS BASED", // S0018N.ACT
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"THESE PAGE NUMBERS RESERVED IN THIS EDITION FOR PAGES\r\nMISSING FROM ORIGINAL ON WHICH IT WAS BASED", // S0018N.ACT
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"PAGE NUMBERS RESERVED FROM THIS EDITION FOR MISSING\nSECTION SUPPLIED BY PRECEDING", // S0018N.ACT
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"PAGE NUMBERS RESERVED FROM THIS EDITION FOR MISSING\r\nSECTION SUPPLIED BY PRECEDING", // S0018N.ACT
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"SW: OK", // S0057M.ACT
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"m:ok", // S0057M.ACT
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"A FIRST ONE\nMISSING HERE?", // S0057M.ACT
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"A FIRST ONE\r\nMISSING HERE?", // S0057M.ACT
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"THE INITIAL PART OF THIS TEXT WAS INPUT BY THE SERA MEY LIBRARY IN\nTIBETAN FONT AND NEEDS TO BE REDONE BY DOUBLE INPUT", // S0195A1.INC
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"THE INITIAL PART OF THIS TEXT WAS INPUT BY THE SERA MEY LIBRARY IN\r\nTIBETAN FONT AND NEEDS TO BE REDONE BY DOUBLE INPUT", // S0195A1.INC
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};
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boolean foundOne = false;
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for (int ec = 0; ec < englishComments.length; ec++) {
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if (i + 2 + englishComments[ec].length() <= sl
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&& (s.substring(i, i + 2 + englishComments[ec].length()).equals("[" + englishComments[ec] + "]")
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|| s.substring(i, i + 2 + englishComments[ec].length()).equals("[" + englishComments[ec] + "]"))) {
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al.add(new TString("ACIP", "[#" + englishComments[ec] + "]",
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TString.COMMENT));
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startOfString = i + 2 + englishComments[ec].length();
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i = startOfString - 1;
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foundOne = true;
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break;
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}
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}
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if (!foundOne && i+1 < sl && s.charAt(i+1) == '*') {
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// Identify [*LINE BREAK?] as an English
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// correction. Every correction not on this
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// list is considered to be Tibetan.
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// FIXME: make this extensible via a config
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// file or at least a System property (which
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// could be a comma-separated list of these
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// creatures.
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// If "LINE" is in the list below, then [*
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// LINE], [* LINE?], [*LINE], [*LINE?], [*
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// LINE OUT ?], etc. will be considered
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// English corrections. I.e., whitespace
|
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// before and anything after doesn't prevent a
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// match.
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String[] englishCorrections = new String[] {
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"LINE", // KD0001I1.ACT
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"DATA", // KL0009I2.INC
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"BLANK", // KL0009I2.INC
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"NOTE", // R0001F.ACM
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"alternate", // R0018F.ACE
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"02101-02150 missing", // R1003A3.INC
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"51501-51550 missing", // R1003A52.ACT
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"BRTAGS ETC", // S0002N.ACT
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"TSAN, ETC", // S0015N.ACT
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"SNYOMS, THROUGHOUT", // S0016N.ACT
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"KYIS ETC", // S0019N.ACT
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"MISSING", // S0455M.ACT
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"this", // S6850I1B.ALT
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"THIS", // S0057M.ACT
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};
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int begin;
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for (begin = i+2; begin < sl; begin++) {
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if (!isWhitespace(s.charAt(begin)))
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break;
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}
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int end;
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for (end = i+2; end < sl; end++) {
|
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if (s.charAt(end) == ']')
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break;
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}
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int realEnd = end;
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|
if (end < sl && s.charAt(end-1) == '?')
|
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--realEnd;
|
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if (end < sl && begin < realEnd) {
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String interestingSubstring
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= s.substring(begin, realEnd);
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for (int ec = 0; ec < englishCorrections.length; ec++) {
|
|
if (interestingSubstring.startsWith(englishCorrections[ec])) {
|
|
al.add(new TString("ACIP", s.substring(i, i+2),
|
|
TString.CORRECTION_START));
|
|
al.add(new TString("ACIP", s.substring(i+2, realEnd),
|
|
TString.LATIN));
|
|
if (s.charAt(end - 1) == '?') {
|
|
al.add(new TString("ACIP", s.substring(end-1, end+1),
|
|
TString.POSSIBLE_CORRECTION));
|
|
} else {
|
|
al.add(new TString("ACIP", s.substring(end, end+1),
|
|
TString.PROBABLE_CORRECTION));
|
|
}
|
|
foundOne = true;
|
|
startOfString = end+1;
|
|
i = startOfString - 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (foundOne)
|
|
break;
|
|
}
|
|
if (null != thingy) {
|
|
al.add(new TString("ACIP", thingy,
|
|
currentType));
|
|
startOfString = i + thingy.length();
|
|
i = startOfString - 1;
|
|
} else {
|
|
if (i + 1 < sl) {
|
|
char nextCh = s.charAt(i+1);
|
|
if ('*' == nextCh) {
|
|
currentType = TString.CORRECTION_START;
|
|
bracketTypeStack.push(new Integer(currentType));
|
|
al.add(new TString("ACIP", s.substring(i, i+2),
|
|
TString.CORRECTION_START));
|
|
currentType = TString.ERROR;
|
|
startOfString = i+2;
|
|
i = startOfString - 1;
|
|
break;
|
|
} else if ('#' == nextCh) {
|
|
currentType = TString.COMMENT;
|
|
bracketTypeStack.push(new Integer(currentType));
|
|
break;
|
|
}
|
|
}
|
|
// This is an error. Sometimes [COMMENTS APPEAR
|
|
// WITHOUT # MARKS]. Though "... [" could cause
|
|
// this too.
|
|
if (waitingForMatchingIllegalClose) {
|
|
al.add(new TString("ACIP", "Found a truly unmatched open bracket, [ or {, prior to this current illegal open bracket.",
|
|
TString.ERROR));
|
|
if (null != errors) {
|
|
errors.append("Offset " + i + ((numNewlines == 0) ? "" : (" or maybe " + (i-numNewlines))) + ": "
|
|
+ "Found a truly unmatched open bracket, [ or {, prior to this current illegal open bracket.\n");
|
|
}
|
|
if (maxErrors >= 0 && ++numErrors >= maxErrors) return null;
|
|
}
|
|
waitingForMatchingIllegalClose = true;
|
|
if (null != errors) {
|
|
String inContext = s.substring(i, i+Math.min(sl-i, 10));
|
|
if (inContext.indexOf("\r") >= 0) {
|
|
inContext = inContext.substring(0, inContext.indexOf("\r"));
|
|
} else if (inContext.indexOf("\n") >= 0) {
|
|
inContext = inContext.substring(0, inContext.indexOf("\n"));
|
|
} else {
|
|
if (sl-i > 10) {
|
|
inContext = inContext + "...";
|
|
}
|
|
}
|
|
al.add(new TString("ACIP", "Found an illegal open bracket (in context, this is " + inContext + "). Perhaps there is a [#COMMENT] written incorrectly as [COMMENT], or a [*CORRECTION] written incorrectly as [CORRECTION], or an unmatched open bracket?",
|
|
TString.ERROR));
|
|
errors.append("Offset " + i + ((numNewlines == 0) ? "" : (" or maybe " + (i-numNewlines))) + ": "
|
|
+ "Found an illegal open bracket (in context, this is " + inContext + "). Perhaps there is a [#COMMENT] written incorrectly as [COMMENT], or a [*CORRECTION] written incorrectly as [CORRECTION], or an unmatched open bracket?\n");
|
|
if (maxErrors >= 0 && ++numErrors >= maxErrors) return null;
|
|
}
|
|
startOfString = i + 1;
|
|
currentType = TString.ERROR;
|
|
}
|
|
break; // end '[','{' case
|
|
|
|
case '@':
|
|
// This definitely indicates a new token.
|
|
if (startOfString < i) {
|
|
al.add(new TString("ACIP", s.substring(startOfString, i),
|
|
currentType));
|
|
startOfString = i;
|
|
currentType = TString.ERROR;
|
|
}
|
|
|
|
// We look for {@N{AB}, @NN{AB}, ..., @NNNNNN{AB}},
|
|
// {@[N{AB}], @[NN{AB}], ..., @[NNNNNN{AB}]},
|
|
// {@N{AB}.N, @NN{AB}.N, ..., @NNNNNN{AB}.N}, {@N,
|
|
// @NN, ..., @NNNNNN}, and {@{AB}N, @{AB}NN,
|
|
// ... @{AB}NNNNNN} only, that is from one to six
|
|
// digits. Each of these folio marker format occurs
|
|
// in practice.
|
|
for (int numdigits = 6; numdigits >= 1; numdigits--) {
|
|
// @NNN{AB} and @NNN{AB}.N cases:
|
|
if (i+numdigits+1 < sl
|
|
&& (s.charAt(i+numdigits+1) == 'A' || s.charAt(i+numdigits+1) == 'B')) {
|
|
boolean allAreNumeric = true;
|
|
for (int k = 1; k <= numdigits; k++) {
|
|
if (!isNumeric(s.charAt(i+k))) {
|
|
allAreNumeric = false;
|
|
break;
|
|
}
|
|
}
|
|
if (allAreNumeric) {
|
|
// Is this "@012B " or "@012B.3 "?
|
|
int extra;
|
|
if (i+numdigits+2 < sl && s.charAt(i+numdigits+2) == '.') {
|
|
if (!(i+numdigits+4 < sl && isNumeric(s.charAt(i+numdigits+3))
|
|
&& !isNumeric(s.charAt(i+numdigits+4)))) {
|
|
String inContext = s.substring(i, i+Math.min(sl-i, 10));
|
|
if (inContext.indexOf("\r") >= 0) {
|
|
inContext = inContext.substring(0, inContext.indexOf("\r"));
|
|
} else if (inContext.indexOf("\n") >= 0) {
|
|
inContext = inContext.substring(0, inContext.indexOf("\n"));
|
|
} else {
|
|
if (sl-i > 10) {
|
|
inContext = inContext + "...";
|
|
}
|
|
}
|
|
al.add(new TString("ACIP", "Found an illegal at sign, @ (in context, this is " + inContext + "). This folio marker has a period, '.', at the end of it, which is illegal.",
|
|
TString.ERROR));
|
|
if (null != errors)
|
|
errors.append("Offset " + i + ((numNewlines == 0) ? "" : (" or maybe " + (i-numNewlines))) + ": "
|
|
+ "Found an illegal at sign, @ (in context, this is " + inContext + "). This folio marker has a period, '.', at the end of it, which is illegal.\n");
|
|
if (maxErrors >= 0 && ++numErrors >= maxErrors) return null;
|
|
startOfString = i+numdigits+3;
|
|
i = startOfString - 1;
|
|
currentType = TString.ERROR;
|
|
break;
|
|
}
|
|
if (i+numdigits+4 < sl && (s.charAt(i+numdigits+4) == '.' || s.charAt(i+numdigits+4) == 'A' || s.charAt(i+numdigits+4) == 'B' || s.charAt(i+numdigits+4) == 'a' || s.charAt(i+numdigits+4) == 'b' || isNumeric(s.charAt(i+numdigits+4)))) {
|
|
String inContext = s.substring(i, i+Math.min(sl-i, 10));
|
|
if (inContext.indexOf("\r") >= 0) {
|
|
inContext = inContext.substring(0, inContext.indexOf("\r"));
|
|
} else if (inContext.indexOf("\n") >= 0) {
|
|
inContext = inContext.substring(0, inContext.indexOf("\n"));
|
|
} else {
|
|
if (sl-i > 10) {
|
|
inContext = inContext + "...";
|
|
}
|
|
}
|
|
al.add(new TString("ACIP", "Found an illegal at sign, @ (in context, this is " + inContext + "). This folio marker is not followed by whitespace, as is expected.",
|
|
TString.ERROR));
|
|
if (null != errors)
|
|
errors.append("Offset " + i + ((numNewlines == 0) ? "" : (" or maybe " + (i-numNewlines))) + ": "
|
|
+ "Found an illegal at sign, @ (in context, this is " + inContext + "). This folio marker is not followed by whitespace, as is expected.\n");
|
|
if (maxErrors >= 0 && ++numErrors >= maxErrors) return null;
|
|
startOfString = i+1; // FIXME: skip over more? test this code.
|
|
currentType = TString.ERROR;
|
|
break;
|
|
}
|
|
extra = 4;
|
|
} else {
|
|
extra = 2;
|
|
}
|
|
al.add(new TString("ACIP", s.substring(i, i+numdigits+extra),
|
|
TString.FOLIO_MARKER));
|
|
startOfString = i+numdigits+extra;
|
|
i = startOfString - 1;
|
|
currentType = TString.ERROR;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// @{AB}NNN case:
|
|
if (i+numdigits+1 < sl
|
|
&& (s.charAt(i+1) == 'A' || s.charAt(i+1) == 'B')) {
|
|
boolean allAreNumeric = true;
|
|
for (int k = 1; k <= numdigits; k++) {
|
|
if (!isNumeric(s.charAt(i+1+k))) {
|
|
allAreNumeric = false;
|
|
break;
|
|
}
|
|
}
|
|
if (allAreNumeric) {
|
|
al.add(new TString("ACIP", s.substring(i, i+numdigits+2),
|
|
TString.FOLIO_MARKER));
|
|
startOfString = i+numdigits+2;
|
|
i = startOfString - 1;
|
|
currentType = TString.ERROR;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// @[NNN{AB}] case:
|
|
if (i+numdigits+3 < sl
|
|
&& s.charAt(i+1) == '[' && s.charAt(i+numdigits+3) == ']'
|
|
&& (s.charAt(i+numdigits+2) == 'A' || s.charAt(i+numdigits+2) == 'B')) {
|
|
boolean allAreNumeric = true;
|
|
for (int k = 1; k <= numdigits; k++) {
|
|
if (!isNumeric(s.charAt(i+1+k))) {
|
|
allAreNumeric = false;
|
|
break;
|
|
}
|
|
}
|
|
if (allAreNumeric) {
|
|
al.add(new TString("ACIP", s.substring(i, i+numdigits+4),
|
|
TString.FOLIO_MARKER));
|
|
startOfString = i+numdigits+4;
|
|
i = startOfString - 1;
|
|
currentType = TString.ERROR;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// This case, @NNN, must come after the @NNN{AB} case.
|
|
if (i+numdigits+1 < sl && (s.charAt(i+numdigits+1) == ' '
|
|
|| s.charAt(i+numdigits+1) == '\n'
|
|
|| s.charAt(i+numdigits+1) == '\r')) {
|
|
boolean allAreNumeric = true;
|
|
for (int k = 1; k <= numdigits; k++) {
|
|
if (!isNumeric(s.charAt(i+k))) {
|
|
allAreNumeric = false;
|
|
break;
|
|
}
|
|
}
|
|
if (allAreNumeric) {
|
|
al.add(new TString("ACIP", s.substring(i, i+numdigits+1),
|
|
TString.FOLIO_MARKER));
|
|
startOfString = i+numdigits+1;
|
|
i = startOfString - 1;
|
|
currentType = TString.ERROR;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (startOfString == i) {
|
|
String inContext = s.substring(i, i+Math.min(sl-i, 10));
|
|
if (inContext.indexOf("\r") >= 0) {
|
|
inContext = inContext.substring(0, inContext.indexOf("\r"));
|
|
} else if (inContext.indexOf("\n") >= 0) {
|
|
inContext = inContext.substring(0, inContext.indexOf("\n"));
|
|
} else {
|
|
if (sl-i > 10) {
|
|
inContext = inContext + "...";
|
|
}
|
|
}
|
|
al.add(new TString("ACIP", "Found an illegal at sign, @ (in context, this is " + inContext + "). @012B is an example of a legal folio marker.",
|
|
TString.ERROR));
|
|
if (null != errors)
|
|
errors.append("Offset " + i + ((numNewlines == 0) ? "" : (" or maybe " + (i-numNewlines))) + ": "
|
|
+ "Found an illegal at sign, @ (in context, this is " + inContext + "). @012B is an example of a legal folio marker.\n");
|
|
if (maxErrors >= 0 && ++numErrors >= maxErrors) return null;
|
|
startOfString = i+1;
|
|
currentType = TString.ERROR;
|
|
}
|
|
break; // end '@' case
|
|
|
|
case '/':
|
|
// This definitely indicates a new token.
|
|
if (startOfString < i) {
|
|
al.add(new TString("ACIP", s.substring(startOfString, i),
|
|
currentType));
|
|
startOfString = i;
|
|
currentType = TString.ERROR;
|
|
}
|
|
|
|
if (startSlashIndex >= 0) {
|
|
if (startSlashIndex + 1 == i) {
|
|
/* //NYA\\ appears in ACIP input, and I think
|
|
* it means /NYA/. We warn about // for this
|
|
* reason. \\ causes a tsheg-bar error. */
|
|
al.add(new TString("ACIP", "Found //, which could be legal (the Unicode would be \\u0F3C\\u0F3D), but is likely in an illegal construct like //NYA\\\\.",
|
|
TString.ERROR));
|
|
if (errors != null) {
|
|
errors.append("Offset " + i + ((numNewlines == 0) ? "" : (" or maybe " + (i-numNewlines))) + ": "
|
|
+ "Found //, which could be legal (the Unicode would be \\u0F3C\\u0F3D), but is likely in an illegal construct like //NYA\\\\.\n");
|
|
}
|
|
if (maxErrors >= 0 && ++numErrors >= maxErrors) return null;
|
|
}
|
|
al.add(new TString("ACIP", s.substring(i, i+1),
|
|
TString.END_SLASH));
|
|
startOfString = i+1;
|
|
currentType = TString.ERROR;
|
|
startSlashIndex = -1;
|
|
} else {
|
|
startSlashIndex = i;
|
|
al.add(new TString("ACIP", s.substring(i, i+1),
|
|
TString.START_SLASH));
|
|
startOfString = i+1;
|
|
currentType = TString.ERROR;
|
|
}
|
|
break; // end '/' case
|
|
|
|
case '(':
|
|
case ')':
|
|
// This definitely indicates a new token.
|
|
if (startOfString < i) {
|
|
al.add(new TString("ACIP", s.substring(startOfString, i),
|
|
currentType));
|
|
startOfString = i;
|
|
currentType = TString.ERROR;
|
|
}
|
|
|
|
// We do not support nesting like (NYA (BA)).
|
|
|
|
if (startParenIndex >= 0) {
|
|
if (ch == '(') {
|
|
al.add(new TString("ACIP", "Found an illegal open parenthesis, (. Nesting of parentheses is not allowed.",
|
|
TString.ERROR));
|
|
if (null != errors)
|
|
errors.append("Offset " + i + ((numNewlines == 0) ? "" : (" or maybe " + (i-numNewlines))) + ": "
|
|
+ "Found an illegal open parenthesis, (. Nesting of parentheses is not allowed.\n");
|
|
if (maxErrors >= 0 && ++numErrors >= maxErrors) return null;
|
|
} else {
|
|
al.add(new TString("ACIP", s.substring(i, i+1), TString.END_PAREN));
|
|
startParenIndex = -1;
|
|
}
|
|
startOfString = i+1;
|
|
currentType = TString.ERROR;
|
|
} else {
|
|
if (ch == ')') {
|
|
al.add(new TString("ACIP", "Unexpected closing parenthesis, ), found.",
|
|
TString.ERROR));
|
|
if (null != errors)
|
|
errors.append("Offset " + i + ((numNewlines == 0) ? "" : (" or maybe " + (i-numNewlines))) + ": "
|
|
+ "Unexpected closing parenthesis, ), found.\n");
|
|
if (maxErrors >= 0 && ++numErrors >= maxErrors) return null;
|
|
} else {
|
|
startParenIndex = i;
|
|
al.add(new TString("ACIP", s.substring(i, i+1), TString.START_PAREN));
|
|
}
|
|
startOfString = i+1;
|
|
currentType = TString.ERROR;
|
|
}
|
|
break; // end '(',')' case
|
|
|
|
case '?':
|
|
if (bracketTypeStack.empty() || i+1>=sl
|
|
|| (s.charAt(i+1) != ']' && s.charAt(i+1) != '}')) {
|
|
// The tsheg bar ends here; new token.
|
|
if (startOfString < i) {
|
|
al.add(new TString("ACIP", s.substring(startOfString, i),
|
|
currentType));
|
|
}
|
|
al.add(new TString("ACIP", s.substring(i, i+1),
|
|
TString.QUESTION));
|
|
startOfString = i+1;
|
|
currentType = TString.ERROR;
|
|
} // else this is [*TR'A ?] or the like.
|
|
break; // end '?' case
|
|
|
|
|
|
case '.':
|
|
// This definitely indicates a new token.
|
|
if (startOfString < i) {
|
|
al.add(new TString("ACIP", s.substring(startOfString, i),
|
|
currentType));
|
|
startOfString = i;
|
|
currentType = TString.ERROR;
|
|
}
|
|
// . is used for a non-breaking tsheg, such as in
|
|
// {NGO.,} and {....,DAM}. We give a warning unless ,
|
|
// or ., or [A-Za-z] follows '.'.
|
|
al.add(new TString("ACIP", s.substring(i, i+1),
|
|
TString.TIBETAN_PUNCTUATION));
|
|
if (!(i + 1 < sl
|
|
&& (s.charAt(i+1) == '.' || s.charAt(i+1) == ','
|
|
|| (s.charAt(i+1) == '\r' || s.charAt(i+1) == '\n')
|
|
|| (s.charAt(i+1) >= 'a' && s.charAt(i+1) <= 'z')
|
|
|| (s.charAt(i+1) >= 'A' && s.charAt(i+1) <= 'Z')))) {
|
|
al.add(new TString("ACIP", "A non-breaking tsheg, '.', appeared, but not like \"...,\" or \".,\" or \".dA\" or \".DA\".",
|
|
TString.WARNING));
|
|
}
|
|
startOfString = i+1;
|
|
break; // end '.' case
|
|
|
|
// Classic tsheg bar enders:
|
|
case ' ':
|
|
case '\t':
|
|
case '\r':
|
|
case '\n':
|
|
case ',':
|
|
case '*':
|
|
case ';':
|
|
case '`':
|
|
case '#':
|
|
case '%':
|
|
case 'x':
|
|
case 'o':
|
|
case '^':
|
|
case '&':
|
|
|
|
boolean legalTshegBarAdornment = false;
|
|
// The tsheg bar ends here; new token.
|
|
if (startOfString < i) {
|
|
if (currentType == TString.TIBETAN_NON_PUNCTUATION
|
|
&& isTshegBarAdornment(ch))
|
|
legalTshegBarAdornment = true;
|
|
al.add(new TString("ACIP", s.substring(startOfString, i),
|
|
currentType));
|
|
}
|
|
|
|
// Insert a tsheg if necessary. ACIP files aren't
|
|
// careful, so "KA\r\n" and "GA\n" appear where "KA
|
|
// \r\n" and "GA \n" should appear.
|
|
if (('\r' == ch
|
|
|| ('\n' == ch && i > 0 && s.charAt(i - 1) != '\r'))
|
|
&& !al.isEmpty()
|
|
&& lastNonExceptionalThingWasAdornmentOr(al, TString.TIBETAN_NON_PUNCTUATION)) {
|
|
al.add(new TString("ACIP", " ", TString.TIBETAN_PUNCTUATION));
|
|
}
|
|
|
|
// "DANG,\nLHAG" is really "DANG, LHAG". But always? Not if you have "MDO,\n\nKA...".
|
|
if (('\r' == ch
|
|
|| ('\n' == ch && i > 0 && s.charAt(i - 1) != '\r'))
|
|
&& !al.isEmpty()
|
|
&& lastNonExceptionalThingWasAdornmentOr(al, TString.TIBETAN_PUNCTUATION)
|
|
&& ((TString)al.get(al.size() - 1)).getText().equals(",")
|
|
&& s.charAt(i-1) == ','
|
|
&& (i + (('\r' == ch) ? 2 : 1) < sl
|
|
&& (s.charAt(i+(('\r' == ch) ? 2 : 1)) != ch))) {
|
|
al.add(new TString("ACIP", " ", TString.TIBETAN_PUNCTUATION));
|
|
}
|
|
|
|
if ('^' == ch) {
|
|
// "^ GONG SA" is the same as "^GONG SA" or
|
|
// "^\r\nGONG SA". But "^\n\nGONG SA" is
|
|
// different -- that has a true line break in the
|
|
// output between ^ and GONG. We give an error if
|
|
// ^ isn't followed by an alphabetical character.
|
|
|
|
boolean bad = false;
|
|
if (i + 1 < sl && isAlpha(s.charAt(i+1))) {
|
|
// leave i alone
|
|
} else if (i + 2 < sl && (' ' == s.charAt(i+1)
|
|
|| '\r' == s.charAt(i+1)
|
|
|| '\n' == s.charAt(i+1))
|
|
&& isAlpha(s.charAt(i+2))) {
|
|
++i;
|
|
} else if (i + 3 < sl && '\r' == s.charAt(i+1)
|
|
&& '\n' == s.charAt(i+2)
|
|
&& isAlpha(s.charAt(i+3))) {
|
|
i += 2;
|
|
} else {
|
|
bad = true;
|
|
}
|
|
if (!bad)
|
|
al.add(new TString("ACIP", "^", TString.TIBETAN_PUNCTUATION));
|
|
else
|
|
al.add(new TString("ACIP", "The ACIP {^} must precede a tsheg bar.", TString.ERROR));
|
|
} else {
|
|
// Don't add in a "\r\n" or "\n" unless there's a
|
|
// blank line.
|
|
boolean rn = false;
|
|
boolean realNewline = false;
|
|
if (('\n' != ch && '\r' != ch)
|
|
|| (realNewline
|
|
= ((rn = ('\n' == ch && i >= 3 && s.charAt(i-3) == '\r' && s.charAt(i-2) == '\n' && s.charAt(i-1) == '\r'))
|
|
|| ('\n' == ch && i >= 1 && s.charAt(i-1) == '\n')))) {
|
|
for (int h = 0; h < (realNewline ? 2 : 1); h++) {
|
|
if (isTshegBarAdornment(ch) && !legalTshegBarAdornment) {
|
|
al.add(new TString("ACIP", "The ACIP " + ch + " must be glued to the end of a tsheg bar, but this one was not",
|
|
TString.ERROR));
|
|
} else {
|
|
al.add(new TString("ACIP", rn ? s.substring(i - 1, i+1) : s.substring(i, i+1),
|
|
(legalTshegBarAdornment
|
|
? TString.TSHEG_BAR_ADORNMENT
|
|
: TString.TIBETAN_PUNCTUATION)));
|
|
}
|
|
}
|
|
}
|
|
if ('%' == ch) {
|
|
al.add(new TString("ACIP", "The ACIP {%} is treated by this converter as U+0F35, but sometimes might represent U+0F14 in practice. To avoid seeing this warning again, change the input to use {\\u0F35} instead of {%}.",
|
|
TString.WARNING));
|
|
}
|
|
}
|
|
startOfString = i+1;
|
|
currentType = TString.ERROR;
|
|
break; // end TIBETAN_PUNCTUATION | TSHEG_BAR_ADORNMENT case
|
|
|
|
default:
|
|
if (!bracketTypeStack.empty()) {
|
|
int stackTop = ((Integer)bracketTypeStack.peek()).intValue();
|
|
if (TString.CORRECTION_START == stackTop && '?' == ch) {
|
|
// allow it through...
|
|
break;
|
|
}
|
|
}
|
|
if (i+1 == sl && 26 == (int)ch)
|
|
// Silently allow the last character to be
|
|
// control-Z (sometimes printed as ^Z), which just
|
|
// marks end of file.
|
|
break;
|
|
if (!(isNumeric(ch) || isAlpha(ch))) {
|
|
if (startOfString < i) {
|
|
al.add(new TString("ACIP", s.substring(startOfString, i),
|
|
currentType));
|
|
}
|
|
if ((int)ch == 65533) {
|
|
al.add(new TString("ACIP", "Found an illegal, unprintable character.",
|
|
TString.ERROR));
|
|
if (null != errors)
|
|
errors.append("Offset " + i + ((numNewlines == 0) ? "" : (" or maybe " + (i-numNewlines))) + ": "
|
|
+ "Found an illegal, unprintable character.\n");
|
|
} else if ('\\' == ch) {
|
|
int x = -1;
|
|
if (!ThdlOptions.getBooleanOption("thdl.tib.text.disallow.unicode.character.escapes.in.acip")
|
|
&& i + 5 < sl && 'u' == s.charAt(i+1)) {
|
|
try {
|
|
if (!((x = Integer.parseInt(s.substring(i+2, i+6), 16)) >= 0x0000 && x <= 0xFFFF))
|
|
x = -1;
|
|
} catch (NumberFormatException e) {
|
|
// Though this is unlikely to be
|
|
// legal, we allow it through.
|
|
// (FIXME: warn.)
|
|
}
|
|
}
|
|
if (x >= 0) {
|
|
al.add(new TString("ACIP", new String(new char[] { (char)x }),
|
|
TString.UNICODE_CHARACTER));
|
|
i += "uXXXX".length();
|
|
startOfString = i+1;
|
|
break;
|
|
} else {
|
|
final String msg
|
|
= "Found a backslash, \\, which the ACIP Tibetan Input Code standard says represents a Sanskrit virama. In practice, though, this is so often misused (to represent U+0F3D) that {\\} always generates this error. If you want a Sanskrit virama, change the input document to use {\\u0F84} instead of {\\}. If you want U+0F3D, use {/NYA/} or {/NYA\\u0F3D}.";
|
|
al.add(new TString("ACIP", msg,
|
|
TString.ERROR));
|
|
if (null != errors)
|
|
errors.append("Offset " + i + ((numNewlines == 0) ? "" : (" or maybe " + (i-numNewlines))) + ": "
|
|
+ msg + "\n");
|
|
}
|
|
} else {
|
|
al.add(new TString("ACIP", "Found an illegal character, " + ch + ", with ordinal " + (int)ch + ".",
|
|
TString.ERROR));
|
|
if (null != errors)
|
|
errors.append("Offset " + i + ((numNewlines == 0) ? "" : (" or maybe " + (i-numNewlines))) + ": "
|
|
+ "Found an illegal character, " + ch + ", with ordinal " + (int)ch + ".\n");
|
|
}
|
|
if (maxErrors >= 0 && ++numErrors >= maxErrors) return null;
|
|
startOfString = i+1;
|
|
currentType = TString.ERROR;
|
|
} else {
|
|
// Continue through the loop.
|
|
if (TString.ERROR == currentType)
|
|
currentType = TString.TIBETAN_NON_PUNCTUATION;
|
|
}
|
|
break; // end default case
|
|
}
|
|
}
|
|
if (startOfString < sl) {
|
|
al.add(new TString("ACIP", s.substring(startOfString, sl),
|
|
currentType));
|
|
}
|
|
if (waitingForMatchingIllegalClose) {
|
|
al.add(new TString("ACIP", "UNEXPECTED END OF INPUT",
|
|
TString.ERROR));
|
|
if (null != errors) {
|
|
errors.append("Offset END: "
|
|
+ "Truly unmatched open bracket found.\n");
|
|
}
|
|
if (maxErrors >= 0 && ++numErrors >= maxErrors) return null;
|
|
}
|
|
if (!bracketTypeStack.empty()) {
|
|
al.add(new TString("ACIP", "Unmatched open bracket found. A " + ((TString.COMMENT == currentType) ? "comment" : "correction") + " does not terminate.",
|
|
TString.ERROR));
|
|
if (null != errors) {
|
|
errors.append("Offset END: "
|
|
+ "Unmatched open bracket found. A " + ((TString.COMMENT == currentType) ? "comment" : "correction") + " does not terminate.\n");
|
|
}
|
|
if (maxErrors >= 0 && ++numErrors >= maxErrors) return null;
|
|
}
|
|
if (startSlashIndex >= 0) {
|
|
al.add(new TString("ACIP", "Slashes are supposed to occur in pairs, but the input had an unmatched '/' character.",
|
|
TString.ERROR));
|
|
if (null != errors)
|
|
errors.append("Offset END: "
|
|
+ "Slashes are supposed to occur in pairs, but the input had an unmatched '/' character.\n");
|
|
if (maxErrors >= 0 && ++numErrors >= maxErrors) return null;
|
|
}
|
|
if (startParenIndex >= 0) {
|
|
al.add(new TString("ACIP", "Parentheses are supposed to occur in pairs, but the input had an unmatched parenthesis.",
|
|
TString.ERROR));
|
|
if (null != errors)
|
|
errors.append("Offset END: "
|
|
+ "Unmatched open parenthesis, (, found.\n");
|
|
if (maxErrors >= 0 && ++numErrors >= maxErrors) return null;
|
|
}
|
|
return al;
|
|
}
|
|
|
|
/** See implementation. */
|
|
private static boolean isNumeric(char ch) {
|
|
return ch >= '0' && ch <= '9';
|
|
}
|
|
|
|
/** See implementation. */
|
|
private static boolean isWhitespace(char ch) {
|
|
return ch == ' ' || ch == '\t' || ch == '\r' || ch == '\n';
|
|
}
|
|
|
|
/** See implementation. */
|
|
private static boolean isTshegBarAdornment(char ch) {
|
|
return (ch == '%' || ch == 'o' || ch == 'x');
|
|
// ^ is a pre-adornment; these are post-adornments.
|
|
}
|
|
|
|
/** See implementation. */
|
|
private static boolean isAlpha(char ch) {
|
|
return ch == '\'' // 23rd consonant
|
|
|
|
// combining punctuation, vowels:
|
|
|| ch == 'm'
|
|
|| ch == ':'
|
|
// FIXME: we must treat this guy like a vowel, a special vowel that numerals can take on. Until then, warn. See bug 838588 || ch == '\\'
|
|
|
|
|| ch == '-'
|
|
|| ch == '+'
|
|
|| ((ch >= 'A' && ch <= 'Z') && ch != 'X' && ch != 'Q' && ch != 'F')
|
|
|| ch == 'i'
|
|
|| ch == 't'
|
|
|| ch == 'h'
|
|
|| ch == 'd'
|
|
|| ch == 'n'
|
|
|| ch == 's'
|
|
|| ch == 'h';
|
|
}
|
|
}
|