80 lines
2.8 KiB
Java
80 lines
2.8 KiB
Java
package io.github.lonamiwebs.overgram.parser;
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import io.github.lonamiwebs.overgram.utils.CharacterIterator;
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import java.io.File;
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import java.io.FileReader;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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public class TLReader {
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public static void readTlObjects(final Map<String, List<TLObject>> result, final File file) {
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for (final Map.Entry<String, List<String>> entry : readTl(file).entrySet()) {
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final List<TLObject> objects = result.computeIfAbsent(entry.getKey(), k -> new ArrayList<>());
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for (final String string : entry.getValue()) {
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objects.add(TLObject.fromString(string));
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}
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}
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}
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private static Map<String, List<String>> readTl(final File file) {
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final Map<String, List<String>> result = new HashMap<>();
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String section = "types";
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try (final CharacterIterator iter = new CharacterIterator(new FileReader(file))) {
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String tmp;
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final StringBuilder builder = new StringBuilder();
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for (char c : iter) {
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switch (c) {
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// Assume '/' only occurs in "// comments...\n"
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case '/':
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do {
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c = iter.next();
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} while (iter.hasNext() && c != '\n');
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break;
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// Assume '-' only occurs in "---sections---\n"
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case '-':
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if (builder.length() != 0) {
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tmp = builder.toString().trim();
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if (!tmp.isEmpty()) {
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result.computeIfAbsent(section, k -> new ArrayList<>()).add(tmp);
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}
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builder.setLength(0);
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}
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do {
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c = iter.next();
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if (c != '-') {
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builder.append(c);
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}
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} while (iter.hasNext() && c != '\n');
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section = builder.toString().trim();
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builder.setLength(0);
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break;
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// Definitions are separated by ';'
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case ';':
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tmp = builder.toString().trim();
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if (!tmp.isEmpty()) {
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result.computeIfAbsent(section, k -> new ArrayList<>()).add(tmp);
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}
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builder.setLength(0);
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break;
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default:
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builder.append(c);
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break;
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}
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}
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} catch (IOException ignored) {
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}
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return result;
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}
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}
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