2003-08-18 02:38:54 +00:00
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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 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 convert an ACIP file into Tibetan Machine Web.
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* From there, TMW->Unicode takes you to Unicode.
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* @author David Chandler
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*/
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public class ACIPConverter {
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static {
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// We don't want to load the TM or TMW font files ourselves:
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ThdlOptions.setUserPreference("thdl.rely.on.system.tmw.fonts", true);
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ThdlOptions.setUserPreference("thdl.rely.on.system.tm.fonts", true);
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ThdlOptions.setUserPreference("thdl.debug", true);
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}
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2003-08-24 06:40:53 +00:00
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// DLC NOW: (KA)'s info is lost when you convert to Unicode text instead of Unicode RTF. Give an ERROR.
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2003-08-18 02:38:54 +00:00
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/** Command-line converter. Gives error messages on standard
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* output about why we can't convert the document perfectly and
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* exits with non-zero return code, or is silent otherwise and
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* exits with code zero. <p>FIXME: not so efficient; copies the
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* whole file into memory first. */
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public static void main(String[] args)
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throws IOException
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2003-08-18 02:38:54 +00:00
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{
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boolean verbose = true;
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2003-08-24 06:40:53 +00:00
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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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2003-08-18 02:38:54 +00:00
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}
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StringBuffer errors = new StringBuffer();
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int maxErrors = 250;
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2003-08-24 06:40:53 +00:00
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ArrayList al = ACIPTshegBarScanner.scanFile(args[0], errors, maxErrors - 1);
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2003-08-18 02:38:54 +00:00
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if (null == al) {
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2003-08-23 22:03:37 +00:00
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System.err.println(maxErrors + " or more lexical errors occurred while scanning ACIP input file; is this");
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2003-08-18 02:38:54 +00:00
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System.err.println("Tibetan or English input?");
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System.err.println("");
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2003-08-23 22:03:37 +00:00
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if (false) {
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// Nobody wants to see this. FIXME: maybe somebody; have an option.
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System.err.println("First " + maxErrors + " lexical errors scanning ACIP input file: ");
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System.err.println(errors);
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}
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System.err.println("Exiting with " + maxErrors + " or more lexical errors; please fix input file and try again.");
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2003-08-18 02:38:54 +00:00
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System.exit(1);
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}
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2003-08-24 06:40:53 +00:00
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final boolean abortUponScanningError = false;
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// DLC NOW: BAo isn't converting.
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if (errors.length() > 0) {
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System.err.println("Errors scanning ACIP input file: ");
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System.err.println(errors);
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2003-08-23 22:03:37 +00:00
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if (abortUponScanningError) {
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System.err.println("Exiting; please fix input file and try again.");
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System.exit(1);
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}
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2003-08-18 02:38:54 +00:00
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}
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2003-08-24 06:40:53 +00:00
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String warningLevel = "Most"; // DLC make me configurable.
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StringBuffer warnings = null;
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boolean putWarningsInOutput = false;
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if ("None" != warningLevel) {
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warnings = new StringBuffer();
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putWarningsInOutput = true;
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}
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convertToUnicode(al, System.out, errors, warnings,
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putWarningsInOutput, warningLevel);
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2003-08-18 02:38:54 +00:00
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if (errors.length() > 0) {
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System.err.println("Errors converting ACIP input file: ");
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System.err.println(errors);
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2003-08-23 22:03:37 +00:00
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System.err.println("The output contains these errors.");
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2003-08-18 02:38:54 +00:00
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System.err.println("Exiting; please fix input file and try again.");
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System.exit(2);
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}
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2003-08-24 06:40:53 +00:00
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if (null != warnings && warnings.length() > 0) {
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2003-08-23 22:03:37 +00:00
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System.err.println("Warnings converting ACIP input file: ");
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System.err.println(warnings);
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if (putWarningsInOutput)
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System.err.println("The output contains these warnings.");
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System.exit(2);
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}
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2003-08-24 06:40:53 +00:00
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if (verbose) System.err.println("Converted " + args[0] + " perfectly.");
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2003-08-18 02:38:54 +00:00
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System.exit(0);
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}
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/** Writes TMW/Latin to out. If errors occur in converting a
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* tsheg bar, then they are appended to errors if errors is
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* non-null. Returns true upon perfect success, false if errors
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* occurred.
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* @throws IOException if we cannot write to out
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*/
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public static boolean convertToTMW(ArrayList scan, String latinFont,
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OutputStream out, StringBuffer errors)
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throws IOException
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{
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throw new Error("DLC UNIMPLEMENTED");
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}
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2003-08-23 22:03:37 +00:00
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// DLC FIXME: sometimes { } is \u0F0B, and sometimes it is a
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// space. Treat it as a tsheg only when it appears after a
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// syllable or another tsheg.
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2003-08-18 02:38:54 +00:00
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/** Returns UTF-8 encoded Unicode. A bit indirect, so use this
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* for testing only if performance is a concern. If errors occur
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* in scanning the ACIP or in converting a tsheg bar, then they
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2003-08-23 22:03:37 +00:00
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* are appended to errors if errors is non-null, as well as
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* written to the result. If warnings occur in scanning the ACIP
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* or in converting a tsheg bar, then they are appended to
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* warnings if warnings is non-null, and they are written to the
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* result if writeWarningsToResult is true. Returns the
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2003-08-18 02:38:54 +00:00
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* conversion upon perfect success, null if errors occurred.
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*/
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public static String convertToUnicode(String acip,
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StringBuffer errors,
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StringBuffer warnings,
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boolean writeWarningsToResult,
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String warningLevel) {
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ByteArrayOutputStream sw = new ByteArrayOutputStream();
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ArrayList al = ACIPTshegBarScanner.scan(acip, errors, -1);
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try {
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if (null != al
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&& convertToUnicode(al, sw, errors,
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warnings, writeWarningsToResult,
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warningLevel)) {
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return sw.toString("UTF-8");
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} else {
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return null;
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}
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} catch (Exception e) {
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throw new Error(e.toString());
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}
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}
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2003-08-23 22:03:37 +00:00
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/** Writes Unicode to out. If errors occur in converting a tsheg
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* bar, then they are appended to errors if errors is non-null.
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* Furthermore, errors are written to out. If writeWarningsToOut
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2003-08-24 06:40:53 +00:00
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* is true, then warnings also will be written to out.
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* @return true upon perfect success, false if errors occurred.
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* @param scan result of ACIPTshegBarScanner.scan(..)
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* @param out stream to which to write converted text
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* @param errors if non-null, all error messages are appended
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* @param warnings if non-null, all warning messages are appended
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* to this
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* @param writeWarningsToOut if true, then all warning messages
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* are written to out in the appropriate places
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* @throws IOException if we cannot write to out
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*/
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public static boolean convertToUnicode(ArrayList scan,
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OutputStream out,
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StringBuffer errors,
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StringBuffer warnings,
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boolean writeWarningsToOut,
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String warningLevel)
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throws IOException
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{
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int sz = scan.size();
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boolean hasErrors = false;
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BufferedWriter writer
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= new BufferedWriter(new OutputStreamWriter(out, "UTF-8"));
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for (int i = 0; i < sz; i++) {
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ACIPString s = (ACIPString)scan.get(i);
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int stype = s.getType();
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if (stype == ACIPString.ERROR) {
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hasErrors = true;
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writer.write("[#ERROR CONVERTING ACIP DOCUMENT: Lexical error: ");
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writer.write(s.getText());
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writer.write("]");
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2003-08-24 06:40:53 +00:00
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} else if (stype == ACIPString.WARNING) {
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if (writeWarningsToOut) {
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writer.write("[#WARNING CONVERTING ACIP DOCUMENT: Lexical warning: ");
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writer.write(s.getText());
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writer.write("]");
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}
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if (null != warnings) {
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warnings.append("Warning: Lexical warning: ");
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warnings.append(s.getText());
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warnings.append('\n');
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}
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2003-08-18 02:38:54 +00:00
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} else {
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if (s.isLatin(stype)) {
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if (stype == ACIPString.FOLIO_MARKER)
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writer.write("{");
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writer.write(s.getText());
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if (stype == ACIPString.FOLIO_MARKER)
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writer.write("}");
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} else {
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String unicode = null;
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if (stype == ACIPString.TIBETAN_NON_PUNCTUATION) {
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TPairList pl = TPairListFactory.breakACIPIntoChunks(s.getText());
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String acipError;
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if ((acipError = pl.getACIPError()) != null) {
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hasErrors = true;
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String errorMessage = "[#ERROR CONVERTING ACIP DOCUMENT: THE TSHEG BAR (\"SYLLABLE\") " + s.getText() + " HAS THESE ERRORS: " + acipError + "]";
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writer.write(errorMessage);
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if (null != errors)
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errors.append(errorMessage + "\n");
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} else {
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TParseTree pt = pl.getParseTree();
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if (null == pt) {
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hasErrors = true;
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String errorMessage = "[#ERROR CONVERTING ACIP DOCUMENT: THE TSHEG BAR (\"SYLLABLE\") " + s.getText() + " IS ESSENTIALLY NOTHING.]";
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writer.write(errorMessage);
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if (null != errors)
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errors.append(errorMessage + "\n");
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} else {
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TStackList sl = pt.getBestParse();
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if (null == sl) {
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hasErrors = true;
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String errorMessage = "[#ERROR CONVERTING ACIP DOCUMENT: THE TSHEG BAR (\"SYLLABLE\") " + s.getText() + " HAS NO LEGAL PARSES.]";
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writer.write(errorMessage);
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if (null != errors)
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errors.append(errorMessage + "\n");
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} else {
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String warning
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= pt.getWarning(warningLevel,
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pl,
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s.getText());
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if (null != warning) {
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if (writeWarningsToOut) {
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writer.write("[#WARNING CONVERTING ACIP DOCUMENT: ");
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writer.write(warning);
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writer.write("]");
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}
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if (null != warnings) {
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warnings.append(warning);
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warnings.append('\n');
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}
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}
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2003-08-18 02:38:54 +00:00
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unicode = sl.getUnicode();
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2003-08-24 06:40:53 +00:00
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if (null == unicode) throw new Error("FIXME: make this an assertion");
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2003-08-18 02:38:54 +00:00
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}
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}
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}
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} else {
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if (stype == ACIPString.START_SLASH)
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unicode = "\u0F3C";
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else if (stype == ACIPString.END_SLASH)
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unicode = "\u0F3D";
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else
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unicode = ACIPRules.getUnicodeFor(s.getText(), false);
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2003-08-24 06:40:53 +00:00
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if (null == unicode) throw new Error("FIXME: make this an assertion");
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2003-08-18 02:38:54 +00:00
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}
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if (null != unicode) {
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writer.write(unicode);
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}
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}
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}
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}
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writer.close();
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return !hasErrors;
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}
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}
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// DLC FIXME: putting Tibetan in black, Sanskrit in green, and Latin
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// in yellow would help you quickly decide if ZHIGN maybe should've
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// been ZHING.
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