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148 changes: 148 additions & 0 deletions
148
src/main/java/net/fabricmc/mappingio/format/jobf/JobfFileReader.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,148 @@ | ||
| /* | ||
| * Copyright (c) 2023 FabricMC | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package net.fabricmc.mappingio.format.jobf; | ||
|
|
||
| import java.io.IOException; | ||
| import java.io.Reader; | ||
| import java.util.Collections; | ||
| import java.util.Set; | ||
|
|
||
| import net.fabricmc.mappingio.MappedElementKind; | ||
| import net.fabricmc.mappingio.MappingFlag; | ||
| import net.fabricmc.mappingio.MappingUtil; | ||
| import net.fabricmc.mappingio.MappingVisitor; | ||
| import net.fabricmc.mappingio.format.ColumnFileReader; | ||
| import net.fabricmc.mappingio.format.MappingFormat; | ||
| import net.fabricmc.mappingio.tree.MappingTree; | ||
| import net.fabricmc.mappingio.tree.MemoryMappingTree; | ||
|
|
||
| /** | ||
| * {@linkplain MappingFormat#JOBF_FILE JOBF file} reader. | ||
| */ | ||
| public class JobfFileReader { | ||
| public static void read(Reader reader, MappingVisitor visitor) throws IOException { | ||
| read(reader, MappingUtil.NS_SOURCE_FALLBACK, MappingUtil.NS_TARGET_FALLBACK, visitor); | ||
| } | ||
|
|
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| public static void read(Reader reader, String sourceNs, String targetNs, MappingVisitor visitor) throws IOException { | ||
| read(new ColumnFileReader(reader, ' '), sourceNs, targetNs, visitor); | ||
| } | ||
|
|
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| private static void read(ColumnFileReader reader, String sourceNs, String targetNs, MappingVisitor visitor) throws IOException { | ||
| Set<MappingFlag> flags = visitor.getFlags(); | ||
| MappingVisitor parentVisitor = null; | ||
|
|
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| if (flags.contains(MappingFlag.NEEDS_ELEMENT_UNIQUENESS)) { | ||
| parentVisitor = visitor; | ||
| visitor = new MemoryMappingTree(); | ||
| } else if (flags.contains(MappingFlag.NEEDS_MULTIPLE_PASSES)) { | ||
| reader.mark(); | ||
| } | ||
|
|
||
| for (;;) { | ||
| boolean visitHeader = visitor.visitHeader(); | ||
|
|
||
| if (visitHeader) { | ||
| visitor.visitNamespaces(sourceNs, Collections.singletonList(targetNs)); | ||
| } | ||
|
|
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| if (visitor.visitContent()) { | ||
| String lastClass = null; | ||
| boolean visitLastClass = false; | ||
|
|
||
| do { | ||
| boolean isField; | ||
|
|
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| if (reader.nextCol("c")) { // class: c <name-a> = <name-b> | ||
| String srcName = reader.nextCol(); | ||
| if (srcName == null || srcName.isEmpty()) throw new IOException("missing class-name-a in line "+reader.getLineNumber()); | ||
|
|
||
| if (!srcName.equals(lastClass)) { | ||
| lastClass = srcName; | ||
| visitLastClass = visitor.visitClass(srcName); | ||
|
|
||
| if (visitLastClass) { | ||
| readSeparator(reader); | ||
|
|
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| String dstName = reader.nextCol(); | ||
| if (dstName == null || dstName.isEmpty()) throw new IOException("missing class-name-b in line "+reader.getLineNumber()); | ||
|
|
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| visitor.visitDstName(MappedElementKind.CLASS, 0, dstName); | ||
| visitLastClass = visitor.visitElementContent(MappedElementKind.CLASS); | ||
| } | ||
| } | ||
| } else if ((isField = reader.nextCol("f")) || reader.nextCol("m")) { | ||
| // field: f <cls-a>.<name-a>:<desc-a> = <name-b> | ||
| // method: m <cls-a>.<name-a><desc-a> = <name-b> | ||
| String src = reader.nextCol(); | ||
| if (src == null || src.isEmpty()) throw new IOException("missing class/name/desc a in line "+reader.getLineNumber()); | ||
|
|
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| int nameSepPos = src.lastIndexOf('.'); | ||
| if (nameSepPos <= 0 || nameSepPos == src.length() - 1) throw new IOException("invalid class/name/desc a in line "+reader.getLineNumber()); | ||
|
|
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| int descSepPos = src.lastIndexOf(isField ? ':' : '('); | ||
| if (descSepPos <= 0 || descSepPos == src.length() - 1) throw new IOException("invalid name/desc a in line "+reader.getLineNumber()); | ||
|
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| readSeparator(reader); | ||
|
|
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| String dstName = reader.nextCol(); | ||
| if (dstName == null || dstName.isEmpty()) throw new IOException("missing name-b in line "+reader.getLineNumber()); | ||
|
|
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| String srcOwner = src.substring(0, nameSepPos); | ||
|
|
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| if (!srcOwner.equals(lastClass)) { | ||
| lastClass = srcOwner; | ||
| visitLastClass = visitor.visitClass(srcOwner); | ||
|
|
||
| if (visitLastClass) { | ||
| visitLastClass = visitor.visitElementContent(MappedElementKind.CLASS); | ||
| } | ||
| } | ||
|
|
||
| if (visitLastClass) { | ||
| String srcName = src.substring(nameSepPos + 1, descSepPos); | ||
| String srcDesc = src.substring(descSepPos + (isField ? 1 : 0)); | ||
|
|
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| if (isField && visitor.visitField(srcName, srcDesc) | ||
| || !isField && visitor.visitMethod(srcName, srcDesc)) { | ||
| MappedElementKind kind = isField ? MappedElementKind.FIELD : MappedElementKind.METHOD; | ||
| visitor.visitDstName(kind, 0, dstName); | ||
| visitor.visitElementContent(kind); | ||
| } | ||
| } | ||
| } else if (reader.nextCol("p")) { // package: p <name-a> = <name-b> | ||
| // TODO | ||
| } | ||
| } while (reader.nextLine(0)); | ||
| } | ||
|
|
||
| if (visitor.visitEnd()) break; | ||
|
|
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| reader.reset(); | ||
| } | ||
|
|
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| if (parentVisitor != null) { | ||
| ((MappingTree) visitor).accept(parentVisitor); | ||
| } | ||
| } | ||
|
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| private static void readSeparator(ColumnFileReader reader) throws IOException { | ||
| if (!reader.nextCol("=")) { | ||
| throw new IOException("missing separator in line "+reader.getLineNumber()+" (expected \" = \")"); | ||
| } | ||
| } | ||
| } |
150 changes: 150 additions & 0 deletions
150
src/main/java/net/fabricmc/mappingio/format/jobf/JobfFileWriter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,150 @@ | ||
| /* | ||
| * Copyright (c) 2023 FabricMC | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package net.fabricmc.mappingio.format.jobf; | ||
|
|
||
| import java.io.IOException; | ||
| import java.io.Writer; | ||
| import java.util.EnumSet; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
|
|
||
| import org.jetbrains.annotations.Nullable; | ||
|
|
||
| import net.fabricmc.mappingio.MappedElementKind; | ||
| import net.fabricmc.mappingio.MappingFlag; | ||
| import net.fabricmc.mappingio.MappingWriter; | ||
| import net.fabricmc.mappingio.format.MappingFormat; | ||
|
|
||
| /** | ||
| * {@linkplain MappingFormat#JOBF_FILE JOBF file} writer. | ||
| */ | ||
| public final class JobfFileWriter implements MappingWriter { | ||
| public JobfFileWriter(Writer writer) { | ||
| this.writer = writer; | ||
| } | ||
|
|
||
| @Override | ||
| public void close() throws IOException { | ||
| writer.close(); | ||
| } | ||
|
|
||
| @Override | ||
| public Set<MappingFlag> getFlags() { | ||
| return flags; | ||
| } | ||
|
|
||
| @Override | ||
| public void visitNamespaces(String srcNamespace, List<String> dstNamespaces) throws IOException { | ||
| } | ||
|
|
||
| @Override | ||
| public boolean visitClass(String srcName) throws IOException { | ||
| classSrcName = srcName; | ||
|
|
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| return true; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean visitField(String srcName, @Nullable String srcDesc) throws IOException { | ||
| memberSrcName = srcName; | ||
| memberSrcDesc = srcDesc; | ||
|
|
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| return true; | ||
| } | ||
|
|
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| @Override | ||
| public boolean visitMethod(String srcName, @Nullable String srcDesc) throws IOException { | ||
| memberSrcName = srcName; | ||
| memberSrcDesc = srcDesc; | ||
|
|
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| return true; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean visitMethodArg(int argPosition, int lvIndex, @Nullable String srcName) throws IOException { | ||
| return false; // not supported, skip | ||
| } | ||
|
|
||
| @Override | ||
| public boolean visitMethodVar(int lvtRowIndex, int lvIndex, int startOpIdx, int endOpIdx, @Nullable String srcName) throws IOException { | ||
| return false; // not supported, skip | ||
| } | ||
|
|
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| @Override | ||
| public void visitDstName(MappedElementKind targetKind, int namespace, String name) { | ||
| if (namespace != 0) return; | ||
|
|
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| dstName = name; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean visitElementContent(MappedElementKind targetKind) throws IOException { | ||
| boolean isClass = targetKind == MappedElementKind.CLASS; | ||
| boolean isField = false; | ||
|
|
||
| if (dstName == null) return isClass; | ||
|
|
||
| if ((isClass)) { | ||
| write("c "); | ||
| } else if ((isField = targetKind == MappedElementKind.FIELD) | ||
| || targetKind == MappedElementKind.METHOD) { | ||
| if (memberSrcDesc == null) return false; | ||
| write(isField ? "f " : "m "); | ||
| } else { | ||
| throw new IllegalStateException("unexpected invocation for "+targetKind); | ||
| } | ||
|
|
||
| write(classSrcName); | ||
|
|
||
| if (!isClass) { | ||
| write("."); | ||
| write(memberSrcName); | ||
|
|
||
| if (isField) write(":"); | ||
| write(memberSrcDesc); | ||
| } | ||
|
|
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| write(" = "); | ||
| write(dstName); | ||
|
|
||
| writeLn(); | ||
|
|
||
| dstName = null; | ||
| return isClass; // only members are supported, skip anything but class contents | ||
| } | ||
|
|
||
| @Override | ||
| public void visitComment(MappedElementKind targetKind, String comment) throws IOException { | ||
| // not supported, skip | ||
| } | ||
|
|
||
| private void write(String str) throws IOException { | ||
| writer.write(str); | ||
| } | ||
|
|
||
| private void writeLn() throws IOException { | ||
| writer.write('\n'); | ||
| } | ||
|
|
||
| private static final Set<MappingFlag> flags = EnumSet.of(MappingFlag.NEEDS_SRC_FIELD_DESC, MappingFlag.NEEDS_SRC_METHOD_DESC); | ||
|
|
||
| private final Writer writer; | ||
| private String classSrcName; | ||
| private String memberSrcName; | ||
| private String memberSrcDesc; | ||
| private String dstName; | ||
| } |
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