| // Copyright 2008 Google Inc. |
| // |
| // 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 com.google.gerrit.server.patch; |
| |
| import static org.spearce.jgit.util.RawParseUtils.decode; |
| import static org.spearce.jgit.util.RawParseUtils.nextLF; |
| |
| import com.google.gerrit.client.data.PatchLine; |
| import com.google.gerrit.client.data.UnifiedPatchDetail; |
| import com.google.gerrit.client.data.PatchLine.Type; |
| import com.google.gerrit.client.reviewdb.Patch; |
| import com.google.gerrit.client.reviewdb.ReviewDb; |
| import com.google.gerrit.client.rpc.BaseServiceImplementation.Failure; |
| import com.google.gwtorm.client.OrmException; |
| |
| import org.spearce.jgit.lib.Constants; |
| import org.spearce.jgit.patch.HunkHeader; |
| |
| import java.util.ArrayList; |
| |
| class UnifiedPatchDetailAction extends PatchDetailAction<UnifiedPatchDetail> { |
| UnifiedPatchDetailAction(final Patch.Key key) { |
| super(key); |
| } |
| |
| public UnifiedPatchDetail run(final ReviewDb db) throws OrmException, Failure { |
| init(db); |
| |
| final byte[] buf = file.getBuffer(); |
| int ptr = file.getStartOffset(); |
| final int end = file.getEndOffset(); |
| final int hdrEnd; |
| final ArrayList<PatchLine> lines = new ArrayList<PatchLine>(); |
| |
| if (file.getHunks().size() > 0) { |
| hdrEnd = file.getHunks().get(0).getStartOffset(); |
| } else if (file.getForwardBinaryHunk() != null) { |
| hdrEnd = file.getForwardBinaryHunk().getStartOffset(); |
| } else if (file.getReverseBinaryHunk() != null) { |
| hdrEnd = file.getReverseBinaryHunk().getStartOffset(); |
| } else { |
| hdrEnd = end; |
| } |
| |
| int eol; |
| for (; ptr < hdrEnd; ptr = eol) { |
| eol = nextLF(buf, ptr); |
| lines.add(new PatchLine(0, 0, Type.FILE_HEADER, decode(Constants.CHARSET, |
| buf, ptr, eol))); |
| } |
| |
| for (final HunkHeader h : file.getHunks()) { |
| final int hunkEnd = h.getEndOffset(); |
| if (ptr < hunkEnd) { |
| eol = nextLF(buf, ptr); |
| lines.add(new PatchLine(h.getOldImage().getStartLine(), h |
| .getNewStartLine(), Type.HUNK_HEADER, decode(Constants.CHARSET, |
| buf, ptr, eol))); |
| ptr = eol; |
| } |
| |
| int oldLine = h.getOldImage().getStartLine() - 1; |
| int newLine = h.getNewStartLine() - 1; |
| SCAN: for (; ptr < hunkEnd; ptr = eol) { |
| eol = nextLF(buf, ptr); |
| final PatchLine.Type type; |
| switch (buf[ptr]) { |
| case ' ': |
| case '\n': |
| oldLine++; |
| newLine++; |
| type = Type.CONTEXT; |
| break; |
| case '-': |
| oldLine++; |
| type = Type.PRE_IMAGE; |
| break; |
| case '+': |
| newLine++; |
| type = Type.POST_IMAGE; |
| break; |
| case '\\': |
| type = Type.CONTEXT; |
| break; |
| default: |
| break SCAN; |
| } |
| |
| final PatchLine pLine = |
| new PatchLine(oldLine, newLine, type, decode(Constants.CHARSET, |
| buf, ptr, eol)); |
| addComments(pLine, published, 0, oldLine); |
| addComments(pLine, published, 1, newLine); |
| if (drafted != null) { |
| addComments(pLine, drafted, 0, oldLine); |
| addComments(pLine, drafted, 1, newLine); |
| } |
| lines.add(pLine); |
| } |
| } |
| |
| final UnifiedPatchDetail d; |
| d = new UnifiedPatchDetail(patch, accountInfo.create()); |
| d.setLines(lines); |
| return d; |
| } |
| } |