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annotate src/org/tmatesoft/hg/internal/KeywordFilter.java @ 112:d488c7638b87

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Prototype Filter support with keyword filter as a playground
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 01 Feb 2011 00:21:08 +0100
parents
children 67ae317408c9
rev   line source
112
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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1 /*
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2 * Copyright (c) 2011 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@svnkit.com
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16 */
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17 package org.tmatesoft.hg.internal;
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18
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19 import java.io.File;
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20 import java.io.FileInputStream;
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21 import java.io.FileOutputStream;
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22 import java.nio.ByteBuffer;
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23 import java.util.TreeMap;
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24
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25 import org.tmatesoft.hg.core.Path;
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26 import org.tmatesoft.hg.repo.HgRepository;
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27
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28 /**
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29 *
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30 * @author Artem Tikhomirov
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31 * @author TMate Software Ltd.
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32 */
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33 public class KeywordFilter implements Filter {
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34 private final boolean isExpanding;
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35 private final TreeMap<String,String> keywords;
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36 private final int minBufferLen;
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37
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38 /**
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39 *
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40 * @param expand <code>true</code> to expand keywords, <code>false</code> to shrink
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41 */
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42 private KeywordFilter(boolean expand) {
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43 isExpanding = expand;
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44 keywords = new TreeMap<String,String>();
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45 keywords.put("Id", "Id");
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46 keywords.put("Revision", "Revision");
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47 keywords.put("Author", "Author");
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48 int l = 0;
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49 for (String s : keywords.keySet()) {
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50 if (s.length() > l) {
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51 l = s.length();
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52 }
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53 }
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54 // FIXME later may implement #filter() not to read full kw value (just "$kw:"). However, limit of maxLen + 2 would keep valid.
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55 // for buffers less then minBufferLen, there are chances #filter() implementation would never end
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56 // (i.e. for input "$LongestKey"$
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57 minBufferLen = l + 2 + (isExpanding ? 0 : 120 /*any reasonable constant for max possible kw value length*/);
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58 }
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59
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60 /**
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61 * @param src buffer ready to be read
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62 * @return buffer ready to be read and original buffer's position modified to reflect consumed bytes. IOW, if source buffer
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63 * on return has remaining bytes, they are assumed not-read (not processed) and next chunk passed to filter is supposed to
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64 * start with them
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65 */
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66 public ByteBuffer filter(ByteBuffer src) {
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67 if (src.capacity() < minBufferLen) {
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68 throw new IllegalStateException(String.format("Need buffer of at least %d bytes to ensure filter won't hang", minBufferLen));
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69 }
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70 ByteBuffer rv = null;
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71 int keywordStart = -1;
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72 int x = src.position();
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73 while (x < src.limit()) {
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74 if (keywordStart == -1) {
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75 int i = indexOf(src, '$', x, false);
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76 if (i == -1) {
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77 if (rv == null) {
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78 return src;
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79 } else {
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80 copySlice(src, x, src.limit(), rv);
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81 rv.flip();
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82 src.position(src.limit());
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83 return rv;
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84 }
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85 }
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86 keywordStart = i;
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87 // fall-through
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88 }
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89 if (keywordStart >= 0) {
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90 int i = indexOf(src, '$', keywordStart+1, true);
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91 if (i == -1) {
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92 // end of buffer reached
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93 if (rv == null) {
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94 if (keywordStart == x) {
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95 // FIXME in fact, x might be equal to keywordStart and to src.position() here ('$' is first character in the buffer,
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96 // and there are no other '$' not eols till the end of the buffer). This would lead to deadlock (filter won't consume any
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97 // bytes). To prevent this, either shall copy bytes [keywordStart..buffer.limit()) to local buffer and use it on the next invocation,
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98 // or add lookup of the keywords right after first '$' is found (do not wait for closing '$'). For now, large enough src buffer would be sufficient
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99 // not to run into such situation
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100 throw new IllegalStateException("Try src buffer of a greater size");
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101 }
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102 rv = ByteBuffer.allocateDirect(keywordStart - x);
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103 }
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104 // copy all from source till latest possible kw start
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105 copySlice(src, x, keywordStart, rv);
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106 rv.flip();
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107 // and tell caller we've consumed only to the potential kw start
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108 src.position(keywordStart);
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109 return rv;
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110 } else if (src.get(i) == '$') {
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111 // end of keyword, or start of a new one.
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112 String keyword;
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113 if ((keyword = matchKeyword(src, keywordStart, i)) != null) {
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114 if (rv == null) {
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115 rv = ByteBuffer.allocateDirect(isExpanding ? src.capacity() * 4 : src.capacity());
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116 }
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117 copySlice(src, x, keywordStart+1, rv);
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118 rv.put(keyword.getBytes());
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119 if (isExpanding) {
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120 rv.put((byte) ':');
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121 rv.put((byte) ' ');
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122 expandKeywordValue(keyword, rv);
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123 rv.put((byte) ' ');
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124 }
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125 rv.put((byte) '$');
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126 keywordStart = -1;
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127 x = i+1;
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128 continue;
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129 } else {
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130 if (rv != null) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
131 // we've already did some substitution, thus need to copy bytes we've scanned.
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
132 copySlice(src, x, i, rv);
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
133 } // no else in attempt to avoid rv creation if no real kw would be found
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
134 keywordStart = i;
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
135 x = i; // '$' at i wasn't consumed, hence x points to i, not i+1. This is to avoid problems with case: "sdfsd $ asdfs $Id$ sdf"
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
136 continue;
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
137 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
138 } else {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
139 assert src.get(i) == '\n' || src.get(i) == '\r';
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
140 // line break
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
141 if (rv != null) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
142 copySlice(src, x, i+1, rv);
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
143 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
144 x = i+1;
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
145 keywordStart = -1; // Wasn't keyword, really
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
146 continue; // try once again
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
147 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
148 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
149 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
150 if (keywordStart != -1) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
151 if (rv == null) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
152 // no expansion happened yet, and we have potential kw start
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
153 rv = ByteBuffer.allocateDirect(keywordStart - src.position());
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
154 copySlice(src, src.position(), keywordStart, rv);
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
155 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
156 src.position(keywordStart);
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
157 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
158 if (rv != null) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
159 rv.flip();
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
160 return rv;
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
161 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
162 return src;
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
163 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
164
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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165 /**
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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166 * @param keyword
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
167 * @param rv
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
168 */
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
169 private void expandKeywordValue(String keyword, ByteBuffer rv) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
170 if ("Id".equals(keyword)) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
171 rv.put(identityString().getBytes());
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
172 } else if ("Revision".equals(keyword)) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
173 rv.put(revision());
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
174 } else if ("Author".equals(keyword)) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
175 rv.put(username().getBytes());
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
176 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
177 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
178
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
179 private String matchKeyword(ByteBuffer src, int kwStart, int kwEnd) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
180 assert kwEnd - kwStart - 1 > 0;
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
181 assert src.get(kwStart) == src.get(kwEnd) && src.get(kwEnd) == '$';
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
182 char[] chars = new char[kwEnd - kwStart - 1];
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
183 int i;
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
184 for (i = 0; i < chars.length; i++) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
185 char c = (char) src.get(kwStart + 1 + i);
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
186 if (c == ':') {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
187 break;
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
188 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
189 chars[i] = c;
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
190 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
191 String kw = new String(chars, 0, i);
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
192 return keywords.get(kw);
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
193 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
194
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
195 // copies part of the src buffer, [from..to). doesn't modify src position
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
196 private static void copySlice(ByteBuffer src, int from, int to, ByteBuffer dst) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
197 if (to > src.limit()) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
198 throw new IllegalArgumentException("Bad right boundary");
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
199 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
200 if (dst.remaining() < to - from) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
201 throw new IllegalArgumentException("Not enough room in the destination buffer");
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
202 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
203 for (int i = from; i < to; i++) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
204 dst.put(src.get(i));
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
205 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
206 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
207
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
208 private static int indexOf(ByteBuffer b, char ch, int from, boolean newlineBreaks) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
209 for (int i = from; i < b.limit(); i++) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
210 byte c = b.get(i);
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
211 if (ch == c) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
212 return i;
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
213 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
214 if (newlineBreaks && (c == '\n' || c == '\r')) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
215 return i;
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
216 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
217 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
218 return -1;
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
219 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
220
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
221 private String identityString() {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
222 return "sample/file.txt, asd";
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
223 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
224
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
225 private byte[] revision() {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
226 return "1234567890ab".getBytes();
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
227 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
228
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
229 private String username() {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
230 /* ui.py: username()
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
231 Searched in this order: $HGUSER, [ui] section of hgrcs, $EMAIL
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
232 and stop searching if one of these is set.
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
233 If not found and ui.askusername is True, ask the user, else use
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
234 ($LOGNAME or $USER or $LNAME or $USERNAME) + "@full.hostname".
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
235 */
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
236 return "<Sample> sample@sample.org";
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
237 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
238
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
239 public static class Factory implements Filter.Factory {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
240
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
241 public Filter create(HgRepository hgRepo, Path path) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
242 return new KeywordFilter(true);
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
243 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
244 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
245
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
246
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
247 public static void main(String[] args) throws Exception {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
248 FileInputStream fis = new FileInputStream(new File("/temp/kwoutput.txt"));
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
249 FileOutputStream fos = new FileOutputStream(new File("/temp/kwoutput2.txt"));
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
250 ByteBuffer b = ByteBuffer.allocateDirect(256);
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
251 KeywordFilter kwFilter = new KeywordFilter(false);
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
252 while (fis.getChannel().read(b) != -1) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
253 b.flip(); // get ready to be read
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
254 ByteBuffer f = kwFilter.filter(b);
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
255 fos.getChannel().write(f);
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
256 if (b.hasRemaining()) {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
257 ByteBuffer remaining = b.slice();
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
258 b.clear();
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
259 b.put(remaining);
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
260 } else {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
261 b.clear();
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
262 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
263 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
264 fis.close();
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
265 fos.flush();
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
266 fos.close();
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
267 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
268 }