Ben Dodson | 920dbbb | 2010-08-04 15:21:06 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 Google Inc. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.google.doclava; |
| 18 | |
| 19 | import com.google.clearsilver.jsilver.data.Data; |
| 20 | |
| 21 | import java.util.regex.Pattern; |
| 22 | import java.util.regex.Matcher; |
| 23 | |
| 24 | public class AttrTagInfo extends TagInfo { |
| 25 | private static final String REF_COMMAND = "ref"; |
| 26 | private static final String NAME_COMMAND = "name"; |
| 27 | private static final String DESCRIPTION_COMMAND = "description"; |
| 28 | private static final Pattern TEXT = Pattern.compile("(\\S+)\\s*(.*)", Pattern.DOTALL); |
| 29 | private static final Pattern NAME_TEXT = Pattern.compile("(\\S+)(.*)", Pattern.DOTALL); |
| 30 | |
| 31 | private ContainerInfo mBase; |
| 32 | private String mCommand; |
| 33 | |
| 34 | // if mCommand == "ref" |
| 35 | private FieldInfo mRefField; |
| 36 | private AttributeInfo mAttrInfo; |
| 37 | |
| 38 | // if mCommand == "name" |
| 39 | private String mAttrName; |
| 40 | |
| 41 | // if mCommand == "description" |
| 42 | private Comment mDescrComment; |
| 43 | |
| 44 | AttrTagInfo(String name, String kind, String text, ContainerInfo base, SourcePositionInfo position) { |
| 45 | super(name, kind, text, position); |
| 46 | mBase = base; |
| 47 | |
| 48 | parse(text, base, position); |
| 49 | } |
| 50 | |
| 51 | void parse(String text, ContainerInfo base, SourcePositionInfo position) { |
| 52 | Matcher m; |
| 53 | |
| 54 | m = TEXT.matcher(text); |
| 55 | if (!m.matches()) { |
| 56 | Errors.error(Errors.BAD_ATTR_TAG, position, "Bad @attr tag: " + text); |
| 57 | return; |
| 58 | } |
| 59 | |
| 60 | String command = m.group(1); |
| 61 | String more = m.group(2); |
| 62 | |
| 63 | if (REF_COMMAND.equals(command)) { |
| 64 | String ref = more.trim(); |
| 65 | LinkReference linkRef = LinkReference.parse(ref, mBase, position, false); |
| 66 | if (!linkRef.good) { |
| 67 | Errors.error(Errors.BAD_ATTR_TAG, position, "Unresolved @attr ref: " + ref); |
| 68 | return; |
| 69 | } |
| 70 | if (!(linkRef.memberInfo instanceof FieldInfo)) { |
| 71 | Errors.error(Errors.BAD_ATTR_TAG, position, "@attr must be a field: " + ref); |
| 72 | return; |
| 73 | } |
| 74 | mCommand = command; |
| 75 | mRefField = (FieldInfo) linkRef.memberInfo; |
| 76 | } else if (NAME_COMMAND.equals(command)) { |
| 77 | m = NAME_TEXT.matcher(more); |
| 78 | if (!m.matches() || m.group(2).trim().length() != 0) { |
| 79 | Errors.error(Errors.BAD_ATTR_TAG, position, "Bad @attr name tag: " + more); |
| 80 | return; |
| 81 | } |
| 82 | mCommand = command; |
| 83 | mAttrName = m.group(1); |
| 84 | } else if (DESCRIPTION_COMMAND.equals(command)) { |
| 85 | mCommand = command; |
| 86 | mDescrComment = new Comment(more, base, position); |
| 87 | } else { |
| 88 | Errors.error(Errors.BAD_ATTR_TAG, position, "Bad @attr command: " + command); |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | public FieldInfo reference() { |
| 93 | return REF_COMMAND.equals(mCommand) ? mRefField : null; |
| 94 | } |
| 95 | |
| 96 | @Override |
| 97 | public String name() { |
| 98 | return NAME_COMMAND.equals(mCommand) ? mAttrName : null; |
| 99 | } |
| 100 | |
| 101 | public Comment description() { |
| 102 | return DESCRIPTION_COMMAND.equals(mCommand) ? mDescrComment : null; |
| 103 | } |
| 104 | |
| 105 | @Override |
| 106 | public void makeHDF(Data data, String base) { |
| 107 | super.makeHDF(data, base); |
| 108 | } |
| 109 | |
| 110 | public void setAttribute(AttributeInfo info) { |
| 111 | mAttrInfo = info; |
| 112 | } |
| 113 | |
| 114 | public static void makeReferenceHDF(Data data, String base, AttrTagInfo[] tags) { |
| 115 | int i = 0; |
| 116 | for (AttrTagInfo t : tags) { |
| 117 | if (REF_COMMAND.equals(t.mCommand)) { |
| 118 | if (t.mAttrInfo == null) { |
| 119 | String msg = "ERROR: unlinked attr: " + t.mRefField.name(); |
| 120 | if (false) { |
| 121 | System.out.println(msg); |
| 122 | } else { |
| 123 | throw new RuntimeException(msg); |
| 124 | } |
| 125 | } else { |
| 126 | data.setValue(base + "." + i + ".name", t.mAttrInfo.name()); |
| 127 | data.setValue(base + "." + i + ".href", t.mAttrInfo.htmlPage()); |
| 128 | i++; |
| 129 | } |
| 130 | } |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | } |