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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 | 3x 3x 326x 3x 112x 112x 112x 112x 112x 112x 3x 3x 112x 310x 252x 249x 242x 242x 149x 149x 242x 263x 260x 260x 51x 51x 56x 11x 249x 141x 249x 12x 12x 237x 230x 249x 91x 18x 16x 2x 2x 73x 5x 68x 158x 3x 3x 3x 3x 10x 3x 116x 116x 116x 116x 85x 31x 54x 31x 116x 116x 82x 79x 79x 79x 79x 131x 131x 79x 79x 3x 6x 3x 3x 3x 3x 3x 136x 136x 3x 616x 6x 3x 2x 610x 260x 350x 3x 347x 347x 10x 337x 116x 221x 79x 142x 6x 136x 136x 3x 112x 112x 112x 4x 108x 3x 6x 6x 4x 4x 4x 4x 4x 4x 4x 4x 4x 3x | import { Segments, Node, isIdentifier, isExpandOperator, isWildcardOperator, isGroupExpression, isRangeExpression, isIgnoreExpression, isDotOperator, isDestructorExpression, IdentifierNode, IgnoreExpressionNode, DestructorExpressionNode, ExpandOperatorNode, WildcardOperatorNode, GroupExpressionNode, RangeExpressionNode, DotOperatorNode } from './types' import { isEqual, toArray } from './utils' const isValid = val => val !== undefined && val !== null && val !== '' export class Matcher { private tree: Node private pos: number private tail: Node private stack: any[] private excluding: boolean private record: any constructor(tree: Node, record?: any) { this.tree = tree this.pos = 0 this.excluding = false this.record = record this.stack = [] } currentElement(path: Segments) { return String(path[this.pos] || '').replace(/\s*/g, '') } matchNext = (node: any, path: any) => { return node.after ? this.matchAtom(path, node.after) : isValid(path[this.pos]) } recordMatch(match: () => boolean) { return () => { const result = match() if (result) { Eif (this.record && this.record.score !== undefined) { this.record.score++ } } return result } } matchIdentifier(path: Segments, node: IdentifierNode) { this.tail = node if (isValid(path[this.pos + 1]) && !node.after) { Eif (this.stack.length) { for (let i = this.stack.length - 1; i >= 0; i--) { if (!this.stack[i].after || !this.stack[i].filter) { return false } } } else { return false } } let current: any const next = () => { return this.matchNext(node, path) } if (isExpandOperator(node.after)) { current = this.recordMatch( () => node.value === String(path[this.pos]).substring(0, node.value.length) ) } else { current = this.recordMatch(() => isEqual(String(node.value), String(path[this.pos])) ) } if (this.excluding) { if (node.after) { if (this.pos < path.length) { return current() && next() } else { Eif (node.after && isWildcardOperator(node.after.after)) { return true } return false } } else { if (this.pos >= path.length) { return true } return current() } } return current() && next() } matchIgnoreExpression(path: Segments, node: IgnoreExpressionNode) { return ( isEqual(node.value, this.currentElement(path)) && this.matchNext(node, path) ) } matchDestructorExpression(path: Segments, node: DestructorExpressionNode) { return ( isEqual(node.source, this.currentElement(path)) && this.matchNext(node, path) ) } matchExpandOperator(path: Segments, node: ExpandOperatorNode) { return this.matchAtom(path, node.after) } matchWildcardOperator(path: Segments, node: WildcardOperatorNode) { this.tail = node this.stack.push(node) let matched = false if (node.filter) { if (node.after) { matched = this.matchAtom(path, node.filter) && this.matchAtom(path, node.after) } else { matched = this.matchAtom(path, node.filter) } } else { matched = this.matchNext(node, path) } this.stack.pop() return matched } matchGroupExpression(path: Segments, node: GroupExpressionNode) { const current = this.pos this.excluding = !!node.isExclude const method = this.excluding ? 'every' : 'some' const result = toArray(node.value)[method](_node => { this.pos = current return this.excluding ? !this.matchAtom(path, _node) : this.matchAtom(path, _node) }) this.excluding = false return result } matchRangeExpression(path: Segments, node: RangeExpressionNode) { if (node.start) { Eif (node.end) { return ( path[this.pos] >= parseInt(node.start.value) && path[this.pos] <= parseInt(node.end.value) ) } else { return path[this.pos] >= parseInt(node.start.value) } } else { Eif (node.end) { return path[this.pos] <= parseInt(node.end.value) } else { return true } } } matchDotOperator(path: Segments, node: DotOperatorNode) { this.pos++ return this.matchNext(node, path) } matchAtom(path: Segments, node: Node) { if (!node) { if (this.stack.length > 0) return true if (isValid(path[this.pos + 1])) return false Eif (this.pos == path.length - 1) return true } if (isIdentifier(node)) { return this.matchIdentifier(path, node) } else if (isIgnoreExpression(node)) { return this.matchIgnoreExpression(path, node) } else Iif (isDestructorExpression(node)) { return this.matchDestructorExpression(path, node) } else if (isExpandOperator(node)) { return this.matchExpandOperator(path, node) } else if (isWildcardOperator(node)) { return this.matchWildcardOperator(path, node) } else if (isGroupExpression(node)) { return this.matchGroupExpression(path, node) } else if (isRangeExpression(node)) { return this.matchRangeExpression(path, node) } else Eif (isDotOperator(node)) { return this.matchDotOperator(path, node) } return true } match(path: Segments) { const matched = this.matchAtom(path, this.tree) Iif (!this.tail) return { matched: false } if (this.tail == this.tree && isWildcardOperator(this.tail)) { return { matched: true } } return { matched, record: this.record } } static matchSegments(source: Segments, target: Segments, record?: any) { let pos = 0 if (source.length !== target.length) return false const match = (pos: number) => { const current = () => { const res = isEqual(source[pos], target[pos]) Eif (record && record.score !== undefined) { record.score++ } return res } const next = () => (pos < source.length - 1 ? match(pos + 1) : true) return current() && next() } return { matched: match(pos), record } } } |