143 lines
7.9 KiB
Java
143 lines
7.9 KiB
Java
/*
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* Minecraft Forge
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* Copyright (c) 2016-2020.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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package net.minecraftforge.fml;
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import com.google.common.base.CharMatcher;
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import net.minecraftforge.fml.loading.StringUtils;
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import net.minecraftforge.fml.loading.moddiscovery.ModInfo;
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import org.apache.commons.lang3.text.ExtendedMessageFormat;
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import org.apache.commons.lang3.text.FormatFactory;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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import java.text.FieldPosition;
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import java.text.Format;
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import java.text.ParsePosition;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Objects;
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import java.util.function.BiConsumer;
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import java.util.regex.Pattern;
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import static net.minecraftforge.fml.Logging.CORE;
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//TODO, this should be re-evaluated now that ITextComponents are passed everywhere instaed of strings.
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public class ForgeI18n {
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private static final Logger LOGGER = LogManager.getLogger();
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// From FontRenderer.renderCharAtPos
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private static final String ALLOWED_CHARS = "\u00c0\u00c1\u00c2\u00c8\u00ca\u00cb\u00cd\u00d3\u00d4\u00d5\u00da\u00df\u00e3\u00f5\u011f\u0130\u0131\u0152\u0153\u015e\u015f\u0174\u0175\u017e\u0207\u0000\u0000\u0000\u0000\u0000\u0000\u0000 !\"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\u0000\u00c7\u00fc\u00e9\u00e2\u00e4\u00e0\u00e5\u00e7\u00ea\u00eb\u00e8\u00ef\u00ee\u00ec\u00c4\u00c5\u00c9\u00e6\u00c6\u00f4\u00f6\u00f2\u00fb\u00f9\u00ff\u00d6\u00dc\u00f8\u00a3\u00d8\u00d7\u0192\u00e1\u00ed\u00f3\u00fa\u00f1\u00d1\u00aa\u00ba\u00bf\u00ae\u00ac\u00bd\u00bc\u00a1\u00ab\u00bb\u2591\u2592\u2593\u2502\u2524\u2561\u2562\u2556\u2555\u2563\u2551\u2557\u255d\u255c\u255b\u2510\u2514\u2534\u252c\u251c\u2500\u253c\u255e\u255f\u255a\u2554\u2569\u2566\u2560\u2550\u256c\u2567\u2568\u2564\u2565\u2559\u2558\u2552\u2553\u256b\u256a\u2518\u250c\u2588\u2584\u258c\u2590\u2580\u03b1\u03b2\u0393\u03c0\u03a3\u03c3\u03bc\u03c4\u03a6\u0398\u03a9\u03b4\u221e\u2205\u2208\u2229\u2261\u00b1\u2265\u2264\u2320\u2321\u00f7\u2248\u00b0\u2219\u00b7\u221a\u207f\u00b2\u25a0\u0000";
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private static final CharMatcher DISALLOWED_CHAR_MATCHER = CharMatcher.anyOf(ALLOWED_CHARS).negate();
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private static Map<String,String> i18n;
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private static Map<String,FormatFactory> customFactories;
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// From StringUtils
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private static final Pattern PATTERN_CONTROL_CODE = Pattern.compile("(?i)\\u00A7[0-9A-FK-OR]");
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static {
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customFactories = new HashMap<>();
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// {0,modinfo,id} -> modid from ModInfo object; {0,modinfo,name} -> displayname from ModInfo object
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customFactories.put("modinfo", (name, formatString, locale) -> new CustomReadOnlyFormat((stringBuffer, objectToParse) -> parseModInfo(formatString, stringBuffer, objectToParse)));
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// {0,lower} -> lowercase supplied string
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customFactories.put("lower", (name, formatString, locale) -> new CustomReadOnlyFormat((stringBuffer, objectToParse) -> stringBuffer.append(StringUtils.toLowerCase(String.valueOf(objectToParse)))));
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// {0,upper> -> uppercase supplied string
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customFactories.put("upper", (name, formatString, locale) -> new CustomReadOnlyFormat((stringBuffer, objectToParse) -> stringBuffer.append(StringUtils.toUpperCase(String.valueOf(objectToParse)))));
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// {0,exc,cls} -> class of exception; {0,exc,msg} -> message from exception
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customFactories.put("exc", (name, formatString, locale) -> new CustomReadOnlyFormat((stringBuffer, objectToParse) -> parseException(formatString, stringBuffer, objectToParse)));
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// {0,vr} -> transform VersionRange into cleartext string using fml.messages.version.restriction.* strings
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customFactories.put("vr", (name, formatString, locale) -> new CustomReadOnlyFormat(((stringBuffer, o) -> MavenVersionStringHelper.parseVersionRange(formatString, stringBuffer, o))));
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// {0,i18n,fml.message} -> pass object to i18n string 'fml.message'
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customFactories.put("i18n", (name, formatString, locale) -> new CustomReadOnlyFormat((stringBuffer, o) -> stringBuffer.append(ForgeI18n.parseMessage(formatString, o))));
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// {0,ornull,fml.absent} -> append String value of o, or i18n string 'fml.absent' (message format transforms nulls into the string literal "null")
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customFactories.put("ornull", ((name, formatString, locale) -> new CustomReadOnlyFormat((stringBuffer, o) -> stringBuffer.append(Objects.equals(String.valueOf(o),"null") ? ForgeI18n.parseMessage(formatString) : String.valueOf(o)))));
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}
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private static void parseException(final String formatString, final StringBuffer stringBuffer, final Object objectToParse) {
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Throwable t = (Throwable) objectToParse;
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if (Objects.equals(formatString, "msg")) {
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stringBuffer.append(t.getClass().getName()).append(": ").append(t.getMessage());
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} else if (Objects.equals(formatString, "cls")) {
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stringBuffer.append(t.getClass().getName());
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}
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}
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private static void parseModInfo(final String formatString, final StringBuffer stringBuffer, final Object modInfo) {
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final ModInfo info = (ModInfo) modInfo;
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if (Objects.equals(formatString, "id")) {
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stringBuffer.append(info.getModId());
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} else if (Objects.equals(formatString, "name")) {
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stringBuffer.append(info.getDisplayName());
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}
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}
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public static String getPattern(final String patternName) {
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return i18n == null ? patternName : i18n.getOrDefault(patternName, patternName);
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}
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public static void loadLanguageData(final Map<String, String> properties) {
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LOGGER.debug(CORE,"Loading I18N data entries: {}", properties.size());
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i18n = properties;
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}
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public static String parseMessage(final String i18nMessage, Object... args) {
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final String pattern = getPattern(i18nMessage);
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try {
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return parseFormat(pattern, args);
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} catch (IllegalArgumentException e) {
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LOGGER.error(CORE,"Illegal format found `{}`", pattern);
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return pattern;
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}
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}
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public static String parseFormat(final String format, final Object... args) {
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final ExtendedMessageFormat extendedMessageFormat = new ExtendedMessageFormat(format, customFactories);
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return extendedMessageFormat.format(args);
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}
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public static String stripSpecialChars(String message)
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{
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// We can't handle many unicode points in the splash renderer
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return DISALLOWED_CHAR_MATCHER.removeFrom(stripControlCodes(message));
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}
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public static String stripControlCodes(String text) {
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return PATTERN_CONTROL_CODE.matcher(text).replaceAll("");
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}
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public static class CustomReadOnlyFormat extends Format {
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private final BiConsumer<StringBuffer, Object> formatter;
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CustomReadOnlyFormat(final BiConsumer<StringBuffer, Object> formatter) {
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this.formatter = formatter;
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}
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@Override
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public StringBuffer format(final Object obj, final StringBuffer toAppendTo, final FieldPosition pos) {
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formatter.accept(toAppendTo, obj);
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return toAppendTo;
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}
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@Override
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public Object parseObject(final String source, final ParsePosition pos) {
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throw new UnsupportedOperationException("Parsing is not supported");
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}
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}
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}
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