nightfury7 /
universalbasics.js
| @@ 67-115 (lines=49) @@ | ||
| 64 | // FIRST INDEX |
|
| 65 | ||
| 66 | // CASE INSENSITIVE |
|
| 67 | if (!caseSensitive) { |
|
| 68 | ||
| 69 | // init casing tables |
|
| 70 | if (UB.UTF_lowerToUpper == null){ |
|
| 71 | UB.initCasing(); |
|
| 72 | } |
|
| 73 | ||
| 74 | ||
| 75 | // very fast CI comparison |
|
| 76 | ||
| 77 | // per main char |
|
| 78 | for (var m = startAt;m <= ml;m++){ |
|
| 79 | ||
| 80 | ||
| 81 | // per substring char |
|
| 82 | var match = true; |
|
| 83 | for (var s = 0;s<sl;s++){ |
|
| 84 | ||
| 85 | var c1 = text.charCodeAt(m + s); |
|
| 86 | var c2 = search.charCodeAt(s); |
|
| 87 | ||
| 88 | // CI |
|
| 89 | if (c1 <= UB.UTF_casingTablesMax){ /// CI |
|
| 90 | c1 = UB.UTF_upperToLower[c1]; |
|
| 91 | } |
|
| 92 | if (!substringIsLower){ |
|
| 93 | if (c2 <= UB.UTF_casingTablesMax){ /// CI |
|
| 94 | c2 = UB.UTF_upperToLower[c2]; |
|
| 95 | } |
|
| 96 | } |
|
| 97 | ||
| 98 | if (c1 != c2) { |
|
| 99 | match = false; |
|
| 100 | break; |
|
| 101 | } |
|
| 102 | ||
| 103 | } |
|
| 104 | ||
| 105 | if (match){ |
|
| 106 | return m; |
|
| 107 | } |
|
| 108 | ||
| 109 | } |
|
| 110 | ||
| 111 | return -1; |
|
| 112 | ||
| 113 | ||
| 114 | //return text.toUpperCase().indexOf(search.toUpperCase(), startAt); |
|
| 115 | } |
|
| 116 | ||
| 117 | // CASE SENSITIVE |
|
| 118 | return text.indexOf(search, startAt); |
|
| @@ 126-171 (lines=46) @@ | ||
| 123 | // LAST INDEX |
|
| 124 | ||
| 125 | // CASE INSENSITIVE |
|
| 126 | if (!caseSensitive) { |
|
| 127 | ||
| 128 | // init casing tables |
|
| 129 | if (UB.UTF_lowerToUpper == null){ |
|
| 130 | UB.initCasing(); |
|
| 131 | } |
|
| 132 | ||
| 133 | ||
| 134 | // very fast CI comparison |
|
| 135 | ||
| 136 | // per main char |
|
| 137 | for (var m = startAt;m >= 0;m--){ |
|
| 138 | ||
| 139 | ||
| 140 | // per substring char |
|
| 141 | match = true; |
|
| 142 | for (var s = 0;s<sl;s++){ |
|
| 143 | ||
| 144 | c1 = text.charCodeAt(m + s); |
|
| 145 | c2 = search.charCodeAt(s); |
|
| 146 | ||
| 147 | // CI |
|
| 148 | if (c1 <= UB.UTF_casingTablesMax){ /// CI |
|
| 149 | c1 = UB.UTF_upperToLower[c1]; |
|
| 150 | } |
|
| 151 | if (!substringIsLower){ |
|
| 152 | if (c2 <= UB.UTF_casingTablesMax){ /// CI |
|
| 153 | c2 = UB.UTF_upperToLower[c2]; |
|
| 154 | } |
|
| 155 | } |
|
| 156 | ||
| 157 | if (c1 != c2) { |
|
| 158 | match = false; |
|
| 159 | break; |
|
| 160 | } |
|
| 161 | ||
| 162 | } |
|
| 163 | ||
| 164 | if (match){ |
|
| 165 | return m; |
|
| 166 | } |
|
| 167 | ||
| 168 | } |
|
| 169 | ||
| 170 | return -1; |
|
| 171 | } |
|
| 172 | ||
| 173 | // CASE SENSITIVE |
|
| 174 | return text.lastIndexOf(search, startAt); |
|
