Coverage Report
File DotMulti.java
Coverage histogram
33% of files have more coverage
Classes
| Class | Line # | Actions | |||
|---|---|---|---|---|---|
| DotMulti | 16 | 79 | 33 |
Contributing tests
This file is covered by 12 tests.
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Source view
| 1 | // | |
| 2 | // This software is now distributed according to | |
| 3 | // the Lesser Gnu Public License. Please see | |
| 4 | // http://www.gnu.org/copyleft/lesser.txt for | |
| 5 | // the details. | |
| 6 | // -- Happy Computing! | |
| 7 | // | |
| 8 | package com.stevesoft.pat; | |
| 9 | ||
| 10 | import java.util.Hashtable; | |
| 11 | ||
| 12 | /** | |
| 13 | * A special optimization of multi that is used when the common subpattern ".*" | |
| 14 | * is encountered. | |
| 15 | */ | |
| 16 | class DotMulti extends PatternSub | |
| 17 | { | |
| 18 | patInt fewestMatches, mostMatches; | |
| 19 | ||
| 20 | 0 |  public patInt minChars() |
| 21 | { | |
| 22 | 0 | return fewestMatches; |
| 23 | } | |
| 24 | ||
| 25 | 0 | public patInt maxChars() |
| 26 | { | |
| 27 | 0 | return mostMatches; |
| 28 | } | |
| 29 | ||
| 30 | public boolean matchFewest = false; | |
| 31 | ||
| 32 | StringLike src = null; | |
| 33 | ||
| 34 | int srclength = 0; | |
| 35 | ||
| 36 | boolean dotDoesntMatchCR = true; | |
| 37 | ||
| 38 | 331 | DotMulti(patInt a, patInt b) |
| 39 | { | |
| 40 | 331 | fewestMatches = a; |
| 41 | 331 | mostMatches = b; |
| 42 | } | |
| 43 | ||
| 44 | 0 | public String toString() |
| 45 | { | |
| 46 | 0 | return ".{" + fewestMatches + "," + mostMatches + "}" |
| 47 | 0 | + (matchFewest ? "?" : "") + "(?# <= dot multi)" + nextString(); |
| 48 | } | |
| 49 | ||
| 50 | 100580 | final int submatchInternal(int pos, Pthings pt) |
| 51 | { | |
| 52 | 100580 | if (pos < srclength) |
| 53 | { | |
| 54 | 97779 | if (dotDoesntMatchCR) |
| 55 | { | |
| 56 | 97779 | if (src.charAt(pos) != '\n') |
| 57 | { | |
| 58 | 97779 | return 1 + pos; |
| 59 | } | |
| 60 | } | |
| 61 | else | |
| 62 | { | |
| 63 | 0 | return 1 + pos; |
| 64 | } | |
| 65 | } | |
| 66 | 2801 | return -1; |
| 67 | } | |
| 68 | ||
| 69 | final static int step = 1; | |
| 70 | ||
| 71 | static int idcount = 1; | |
| 72 | ||
| 73 | 2827 | public int matchInternal(int pos, Pthings pt) |
| 74 | { | |
| 75 | 2827 | int m = -1; |
| 76 | 2827 | int i = pos; |
| 77 | 2827 | src = pt.src; |
| 78 | 2827 | srclength = src.length(); |
| 79 | 2827 | dotDoesntMatchCR = pt.dotDoesntMatchCR; |
| 80 | 2827 | if (matchFewest) |
| 81 | { | |
| 82 | 0 | int nMatches = 0; |
| 83 | 0 | while (fewestMatches.intValue() > nMatches) |
| 84 | { | |
| 85 | 0 | i = submatchInternal(i, pt); |
| 86 | 0 | if (i < 0) |
| 87 | { | |
| 88 | 0 | return -1; |
| 89 | } | |
| 90 | 0 | nMatches++; |
| 91 | } | |
| 92 | 0 | if (i < 0) |
| 93 | { | |
| 94 | 0 | return -1; |
| 95 | } | |
| 96 | 0 | int ii = nextMatch(i, pt); |
| 97 | 0 | if (ii >= 0) |
| 98 | { | |
| 99 | 0 | return ii; |
| 100 | } | |
| 101 | 0 | if (!mostMatches.finite()) |
| 102 | { | |
| 103 | 0 | while (i >= 0) |
| 104 | { | |
| 105 | 0 | i = submatchInternal(i, pt); |
| 106 | 0 | if (i < 0) |
| 107 | { | |
| 108 | 0 | return -1; |
| 109 | } | |
| 110 | 0 | ii = nextMatch(i, pt); |
| 111 | 0 | if (ii >= 0) |
| 112 | { | |
| 113 | 0 | return ii; |
| 114 | } | |
| 115 | } | |
| 116 | } | |
| 117 | else | |
| 118 | { | |
| 119 | 0 | while (i > 0) |
| 120 | { | |
| 121 | 0 | i = submatchInternal(i, pt); |
| 122 | 0 | if (i < 0) |
| 123 | { | |
| 124 | 0 | return -1; |
| 125 | } | |
| 126 | 0 | nMatches++; |
| 127 | 0 | if (nMatches > mostMatches.intValue()) |
| 128 | { | |
| 129 | 0 | return -1; |
| 130 | } | |
| 131 | 0 | ii = nextMatch(i, pt); |
| 132 | 0 | if (ii >= 0) |
| 133 | { | |
| 134 | 0 | return ii; |
| 135 | } | |
| 136 | } | |
| 137 | } | |
| 138 | 0 | return -1; |
| 139 | } | |
| 140 | 2827 | int nMatches = 0; |
| 141 | 2827 | while (fewestMatches.intValue() > nMatches) |
| 142 | { | |
| 143 | 0 | i = submatchInternal(i, pt); |
| 144 | 0 | if (i >= 0) |
| 145 | { | |
| 146 | 0 | nMatches++; |
| 147 | } | |
| 148 | else | |
| 149 | { | |
| 150 | 0 | return -1; |
| 151 | } | |
| 152 | } | |
| 153 | 2827 | m = i; |
| 154 | 2827 | if (mostMatches.finite()) |
| 155 | { | |
| 156 | 52 | while (nMatches < mostMatches.intValue()) |
| 157 | { | |
| 158 | 26 | i = submatchInternal(i, pt); |
| 159 | 26 | if (i >= 0) |
| 160 | { | |
| 161 | 26 | m = i; |
| 162 | 26 | nMatches++; |
| 163 | } | |
| 164 | else | |
| 165 | { | |
| 166 | 0 | break; |
| 167 | } | |
| 168 | } | |
| 169 | } | |
| 170 | else | |
| 171 | { | |
| 172 | 2801 | while (true) |
| 173 | { | |
| 174 | 100554 | i = submatchInternal(i, pt); |
| 175 | 100554 | if (i >= 0) |
| 176 | { | |
| 177 | 97753 | m = i; |
| 178 | 97753 | nMatches++; |
| 179 | } | |
| 180 | else | |
| 181 | { | |
| 182 | 2801 | break; |
| 183 | } | |
| 184 | } | |
| 185 | } | |
| 186 | 2844 | while (m >= pos) |
| 187 | { | |
| 188 | 2844 | int r = nextMatch(m, pt); |
| 189 | 2844 | if (r >= 0) |
| 190 | { | |
| 191 | 2823 | return r; |
| 192 | } | |
| 193 | 21 | m -= step; |
| 194 | 21 | nMatches--; |
| 195 | 21 | if (nMatches < fewestMatches.intValue()) |
| 196 | { | |
| 197 | 4 | return -1; |
| 198 | } | |
| 199 | } | |
| 200 | 0 | return -1; |
| 201 | } | |
| 202 | ||
| 203 | 0 | Pattern clone1(Hashtable h) |
| 204 | { | |
| 205 | 0 | DotMulti dm = new DotMulti(fewestMatches, mostMatches); |
| 206 | 0 | dm.matchFewest = matchFewest; |
| 207 | 0 | return dm; |
| 208 | } | |
| 209 | } |