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      1 package org.unicode.cldr.tool;
      2 
      3 import java.io.IOException;
      4 import java.util.List;
      5 
      6 import org.unicode.cldr.util.CLDRFile;
      7 
      8 import com.ibm.icu.dev.util.CollectionUtilities;
      9 import com.ibm.icu.impl.Row.R4;
     10 
     11 public class ChartLanguageMatching extends Chart {
     12 
     13     public static void main(String[] args) {
     14         new ChartLanguageMatching().writeChart(null);
     15     }
     16 
     17     @Override
     18     public String getDirectory() {
     19         return FormattedFileWriter.CHART_TARGET_DIR;
     20     }
     21 
     22     @Override
     23     public String getTitle() {
     24         return "Language Matching";
     25     }
     26 
     27     @Override
     28     public String getExplanation() {
     29         return "<p>Language Matching data is used to match the users desired language/locales against an applications supported languages/locales. "
     30             + "For more information, see "
     31             + "<a href='http://unicode.org/reports/tr35/#LanguageMatching'>Language Matching</a>. "
     32             + "The latest release data for this chart is in "
     33             + "<a href='http://unicode.org/cldr/latest/common/supplemental/languageInfo.xml'>languageInfo.xml</a>. "
     34             + "The matching process is approximately:<p>"
     35             + "<ul>"
     36             + "<li>The rules are testedin orderfor matches, with the first one winning.</li>"
     37             + "<li>Any exact match between fields has zero distance.</li>"
     38             + "<li>The placeholder (*) matches any code (of that type). "
     39             + "For the last field in Supported, it must be different than Desired.</li>"
     40             + "<li>The <i>Distance</i> indicates how close the match is, where identical fields have distance = 0. </li>"
     41             + "<li>A  in the <i>Sym?</i> column indicates that the distance is symmetric, "
     42             + "and is thus used for both directions: SupportedDesired and DesiredSupported. "
     43             + "A  indicates that the distance is <i>not</i> symmetric: this is usually a <i>fallback</i> match.</li>"
     44             + "</ul>";
     45     }
     46 
     47     @Override
     48     public void writeContents(FormattedFileWriter pw) throws IOException {
     49         TablePrinter tablePrinter = new TablePrinter()
     50             .addColumn("Desired", "class='source'", null, "class='source'", true)
     51             .addColumn("Supported", "class='source'", null, "class='source'", true)
     52             .addColumn("D. Code", "class='source'", null, "class='source'", true)
     53             .setBreakSpans(true)
     54             .addColumn("S. Code", "class='source'", null, "class='source'", true)
     55             .setBreakSpans(true)
     56             .addColumn("Distance", "class='target'", null, "class='target'", true)
     57             .addColumn("Sym?", "class='target'", null, "class='target'", true);
     58 
     59         for (String type : SDI.getLanguageMatcherKeys()) {
     60             pw.write("<h2>Type=" + type + "</h2>");
     61             List<R4<String, String, Integer, Boolean>> data = SDI.getLanguageMatcherData(type);
     62             for (R4<String, String, Integer, Boolean> row : data) {
     63                 // <languageMatch desired="gsw" supported="de" percent="96" oneway="true" /> <!-- All Swiss speakers can read High German -->
     64 
     65                 tablePrinter.addRow()
     66                     //.addCell(ENGLISH.getName(locale))
     67                     .addCell(getName(row.get0(), true))
     68                     .addCell(getName(row.get1(), false))
     69                     .addCell(row.get0())
     70                     .addCell(row.get1())
     71                     .addCell((100 - row.get2()))
     72                     .addCell(row.get3() ? "" : "")
     73                     .finishRow();
     74             }
     75             pw.write(tablePrinter.toTable());
     76             tablePrinter.clearRows();
     77         }
     78     }
     79 
     80     private String getName(String codeWithStars, boolean user) {
     81         if (!codeWithStars.contains("*") && !codeWithStars.contains("$")) {
     82             return ENGLISH.getName(codeWithStars, true, CLDRFile.SHORT_ALTS);
     83         }
     84         String[] parts = codeWithStars.split("_");
     85         if (parts[0].equals("*")) {
     86             parts[0] = "xxx";
     87         }
     88         if (parts.length > 1 && parts[1].equals("*")) {
     89             parts[1] = "Xxxx";
     90         }
     91         String parts2orig = "XY";
     92         if (parts.length > 2) {
     93             parts2orig = parts[2];
     94             if (parts[2].equals("*")) {
     95                 parts[2] = "XX";
     96             } else if (parts[2].startsWith("$")) {
     97                 parts[2] = "XY";
     98             }
     99         }
    100         String result = ENGLISH.getName(CollectionUtilities.join(parts, "_"), true, CLDRFile.SHORT_ALTS);
    101         if (user) {
    102             result = result
    103                 .replace("Xxxx", "any-script")
    104                 .replace("xxx", "any-language")
    105                 .replace("XX", "any-region")
    106                 .replace("XY", parts2orig);
    107         } else {
    108             result = replaceStar(result);
    109         }
    110         return result;
    111     }
    112 
    113     private String replaceStar(String result) {
    114         String temp = result.replace("XX", "any-other-region");
    115         temp = temp.equals(result) ? temp.replace("Xxxx", "any-other-script") : temp.replace("Xxxx", "any-script");
    116         temp = temp.equals(result) ? temp.replace("xxx", "any-other-language") : temp.replace("xxx", "any-language");
    117         return temp;
    118     }
    119 }
    120