| /* |
| * Copyright (C) 2010 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.doclava; |
| |
| import com.google.clearsilver.jsilver.data.Data; |
| |
| import java.util.regex.Pattern; |
| import java.util.regex.Matcher; |
| |
| public class AttrTagInfo extends TagInfo { |
| private static final String REF_COMMAND = "ref"; |
| private static final String NAME_COMMAND = "name"; |
| private static final String DESCRIPTION_COMMAND = "description"; |
| private static final Pattern TEXT = Pattern.compile("(\\S+)\\s*(.*)", Pattern.DOTALL); |
| private static final Pattern NAME_TEXT = Pattern.compile("(\\S+)(.*)", Pattern.DOTALL); |
| |
| private ContainerInfo mBase; |
| private String mCommand; |
| |
| // if mCommand == "ref" |
| private FieldInfo mRefField; |
| private AttributeInfo mAttrInfo; |
| |
| // if mCommand == "name" |
| private String mAttrName; |
| |
| // if mCommand == "description" |
| private Comment mDescrComment; |
| |
| AttrTagInfo(String name, String kind, String text, ContainerInfo base, SourcePositionInfo position) { |
| super(name, kind, text, position); |
| mBase = base; |
| |
| parse(text, base, position); |
| } |
| |
| void parse(String text, ContainerInfo base, SourcePositionInfo position) { |
| Matcher m; |
| |
| m = TEXT.matcher(text); |
| if (!m.matches()) { |
| Errors.error(Errors.BAD_ATTR_TAG, position, "Bad @attr tag: " + text); |
| return; |
| } |
| |
| String command = m.group(1); |
| String more = m.group(2); |
| |
| if (REF_COMMAND.equals(command)) { |
| String ref = more.trim(); |
| LinkReference linkRef = LinkReference.parse(ref, mBase, position, false); |
| if (!linkRef.good) { |
| Errors.error(Errors.BAD_ATTR_TAG, position, "Unresolved @attr ref: " + ref); |
| return; |
| } |
| if (!(linkRef.memberInfo instanceof FieldInfo)) { |
| Errors.error(Errors.BAD_ATTR_TAG, position, "@attr must be a field: " + ref); |
| return; |
| } |
| mCommand = command; |
| mRefField = (FieldInfo) linkRef.memberInfo; |
| } else if (NAME_COMMAND.equals(command)) { |
| m = NAME_TEXT.matcher(more); |
| if (!m.matches() || m.group(2).trim().length() != 0) { |
| Errors.error(Errors.BAD_ATTR_TAG, position, "Bad @attr name tag: " + more); |
| return; |
| } |
| mCommand = command; |
| mAttrName = m.group(1); |
| } else if (DESCRIPTION_COMMAND.equals(command)) { |
| mCommand = command; |
| mDescrComment = new Comment(more, base, position); |
| } else { |
| Errors.error(Errors.BAD_ATTR_TAG, position, "Bad @attr command: " + command); |
| } |
| } |
| |
| public FieldInfo reference() { |
| return REF_COMMAND.equals(mCommand) ? mRefField : null; |
| } |
| |
| @Override |
| public String name() { |
| return NAME_COMMAND.equals(mCommand) ? mAttrName : null; |
| } |
| |
| public Comment description() { |
| return DESCRIPTION_COMMAND.equals(mCommand) ? mDescrComment : null; |
| } |
| |
| @Override |
| public void makeHDF(Data data, String base) { |
| super.makeHDF(data, base); |
| } |
| |
| public void setAttribute(AttributeInfo info) { |
| mAttrInfo = info; |
| } |
| |
| public static void makeReferenceHDF(Data data, String base, AttrTagInfo[] tags) { |
| int i = 0; |
| for (AttrTagInfo t : tags) { |
| if (REF_COMMAND.equals(t.mCommand)) { |
| if (t.mAttrInfo == null) { |
| String msg = "ERROR: unlinked attr: " + t.mRefField.name(); |
| if (false) { |
| System.out.println(msg); |
| } else { |
| throw new RuntimeException(msg); |
| } |
| } else { |
| data.setValue(base + "." + i + ".name", t.mAttrInfo.name()); |
| data.setValue(base + "." + i + ".href", t.mAttrInfo.htmlPage()); |
| i++; |
| } |
| } |
| } |
| } |
| |
| } |