diff options
Diffstat (limited to 'gerrit-server/src/main/java/gerrit/PRED_commit_delta_4.java')
| -rw-r--r-- | gerrit-server/src/main/java/gerrit/PRED_commit_delta_4.java | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/gerrit-server/src/main/java/gerrit/PRED_commit_delta_4.java b/gerrit-server/src/main/java/gerrit/PRED_commit_delta_4.java deleted file mode 100644 index 97e5219404..0000000000 --- a/gerrit-server/src/main/java/gerrit/PRED_commit_delta_4.java +++ /dev/null @@ -1,172 +0,0 @@ -// Copyright (C) 2011 The Android Open Source Project -// -// 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 gerrit; - -import com.google.gerrit.reviewdb.client.Patch; -import com.google.gerrit.rules.StoredValues; -import com.google.gerrit.server.patch.PatchList; -import com.google.gerrit.server.patch.PatchListEntry; -import com.googlecode.prolog_cafe.exceptions.IllegalTypeException; -import com.googlecode.prolog_cafe.exceptions.PInstantiationException; -import com.googlecode.prolog_cafe.exceptions.PrologException; -import com.googlecode.prolog_cafe.lang.JavaObjectTerm; -import com.googlecode.prolog_cafe.lang.Operation; -import com.googlecode.prolog_cafe.lang.Predicate; -import com.googlecode.prolog_cafe.lang.Prolog; -import com.googlecode.prolog_cafe.lang.SymbolTerm; -import com.googlecode.prolog_cafe.lang.Term; -import com.googlecode.prolog_cafe.lang.VariableTerm; -import java.util.Iterator; -import java.util.regex.Pattern; - -/** - * Given a regular expression, checks it against the file list in the most recent patchset of a - * change. For all files that match the regex, returns the (new) path of the file, the change type, - * and the old path of the file if applicable (if the file was copied or renamed). - * - * <pre> - * 'commit_delta'(+Regex, -ChangeType, -NewPath, -OldPath) - * </pre> - */ -public class PRED_commit_delta_4 extends Predicate.P4 { - private static final SymbolTerm add = SymbolTerm.intern("add"); - private static final SymbolTerm modify = SymbolTerm.intern("modify"); - private static final SymbolTerm delete = SymbolTerm.intern("delete"); - private static final SymbolTerm rename = SymbolTerm.intern("rename"); - private static final SymbolTerm copy = SymbolTerm.intern("copy"); - static final Operation commit_delta_check = new PRED_commit_delta_check(); - static final Operation commit_delta_next = new PRED_commit_delta_next(); - static final Operation commit_delta_empty = new PRED_commit_delta_empty(); - - public PRED_commit_delta_4(Term a1, Term a2, Term a3, Term a4, Operation n) { - arg1 = a1; - arg2 = a2; - arg3 = a3; - arg4 = a4; - cont = n; - } - - @Override - public Operation exec(Prolog engine) throws PrologException { - engine.cont = cont; - engine.setB0(); - - Term a1 = arg1.dereference(); - if (a1 instanceof VariableTerm) { - throw new PInstantiationException(this, 1); - } - if (!(a1 instanceof SymbolTerm)) { - throw new IllegalTypeException(this, 1, "symbol", a1); - } - Pattern regex = Pattern.compile(a1.name()); - engine.r1 = new JavaObjectTerm(regex); - engine.r2 = arg2; - engine.r3 = arg3; - engine.r4 = arg4; - - PatchList pl = StoredValues.PATCH_LIST.get(engine); - Iterator<PatchListEntry> iter = pl.getPatches().iterator(); - - engine.r5 = new JavaObjectTerm(iter); - - return engine.jtry5(commit_delta_check, commit_delta_next); - } - - private static final class PRED_commit_delta_check extends Operation { - @Override - public Operation exec(Prolog engine) { - Term a1 = engine.r1; - Term a2 = engine.r2; - Term a3 = engine.r3; - Term a4 = engine.r4; - Term a5 = engine.r5; - - Pattern regex = (Pattern) ((JavaObjectTerm) a1).object(); - @SuppressWarnings("unchecked") - Iterator<PatchListEntry> iter = (Iterator<PatchListEntry>) ((JavaObjectTerm) a5).object(); - while (iter.hasNext()) { - PatchListEntry patch = iter.next(); - String newName = patch.getNewName(); - String oldName = patch.getOldName(); - Patch.ChangeType changeType = patch.getChangeType(); - - if (newName.equals("/COMMIT_MSG")) { - continue; - } - - if (regex.matcher(newName).find() || (oldName != null && regex.matcher(oldName).find())) { - SymbolTerm changeSym = getTypeSymbol(changeType); - SymbolTerm newSym = SymbolTerm.create(newName); - SymbolTerm oldSym = Prolog.Nil; - if (oldName != null) { - oldSym = SymbolTerm.create(oldName); - } - - if (!a2.unify(changeSym, engine.trail)) { - continue; - } - if (!a3.unify(newSym, engine.trail)) { - continue; - } - if (!a4.unify(oldSym, engine.trail)) { - continue; - } - return engine.cont; - } - } - return engine.fail(); - } - } - - private static final class PRED_commit_delta_next extends Operation { - @Override - public Operation exec(Prolog engine) { - return engine.trust(commit_delta_empty); - } - } - - private static final class PRED_commit_delta_empty extends Operation { - @Override - public Operation exec(Prolog engine) { - Term a5 = engine.r5; - - @SuppressWarnings("unchecked") - Iterator<PatchListEntry> iter = (Iterator<PatchListEntry>) ((JavaObjectTerm) a5).object(); - if (!iter.hasNext()) { - return engine.fail(); - } - - return engine.jtry5(commit_delta_check, commit_delta_next); - } - } - - private static SymbolTerm getTypeSymbol(Patch.ChangeType type) { - switch (type) { - case ADDED: - return add; - case MODIFIED: - return modify; - case DELETED: - return delete; - case RENAMED: - return rename; - case COPIED: - return copy; - case REWRITE: - break; - } - throw new IllegalArgumentException("ChangeType not recognized"); - } -} |