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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 | 36x 7x 5x 5x 5x 5x 4x 2x 2x 4x 8x 2x 2x 2x 2x 1x 13x 13x 13x 14x 3x 3x 3x 2x 2x 1x 13x 4x 4x 1x 11x 11x 11x 11x 11x 7x 10x 10x 9x 9x 9x 17x 17x 17x 17x 3x 17x 9x 7x 9x 2x | import type { SpelEvaluator, ParseResult } from './spel-evaluator.js';
import type { ContextSchema } from '../types/context-schema.js';
import type { SpelReference } from './reference-extractor.js';
import type { ContextValidationResult } from './diagnostic-engine.js';
import type { CompletionItem } from './completion-engine.js';
import type { FormatOptions } from './spel-formatter.js';
import { SpelExpressionParser } from '../spel-expression-parser.js';
import { SpelParseException } from '../error/spel-parse-exception.js';
import { StandardEvaluationContext } from '../standard-evaluation-context.js';
import { SpelReferenceExtractor, SpelReferenceKind } from './reference-extractor.js';
import { SpelDiagnosticEngine } from './diagnostic-engine.js';
import { SpelCompletionEngine } from './completion-engine.js';
import { SpelFormatter } from './spel-formatter.js';
export class SpelEvaluatorAdapter implements SpelEvaluator {
private context: StandardEvaluationContext;
constructor(context: StandardEvaluationContext) {
this.context = context;
}
static fromContext(ctx: StandardEvaluationContext): SpelEvaluatorAdapter {
return new SpelEvaluatorAdapter(ctx);
}
parse(expression: string): ParseResult {
try {
const parser = new SpelExpressionParser();
const expr = parser.parseExpression(expression);
return { valid: true, errors: [], ast: expr.getAST() };
} catch (e) {
if (e instanceof SpelParseException) {
return {
valid: false,
errors: [{ message: e.message, position: e.position, code: String(e.messageCode) }],
};
}
const err = e instanceof Error ? e : new Error(String(e));
return { valid: false, errors: [{ message: err.message, position: 0, code: 'UNKNOWN' }] };
}
}
getContextSchema(): ContextSchema | null {
return SpelEvaluatorAdapter.#extractContextSchema(this.context);
}
evaluate(expression: string, context: Record<string, unknown>): unknown {
const parser = new SpelExpressionParser();
const expr = parser.parseExpression(expression);
const evalCtx = new StandardEvaluationContext(context);
return expr.getValueWithContext(evalCtx);
}
extractReferences(expression: string): SpelReference[] {
return SpelReferenceExtractor.extract(expression);
}
validateContext(expression: string, contextSchema: ContextSchema): ContextValidationResult {
const diagnostics = SpelDiagnosticEngine.checkContext(expression, contextSchema);
const refs = SpelReferenceExtractor.extract(expression);
const missingRefs = refs.filter((ref) => {
switch (ref.kind) {
case SpelReferenceKind.VARIABLE:
return (
ref.name !== 'root' && ref.name !== 'this' && !(ref.name in contextSchema.variables)
);
case SpelReferenceKind.ROOT_PROPERTY:
return contextSchema.root ? !(ref.name in contextSchema.root.fields) : false;
case SpelReferenceKind.BEAN:
case SpelReferenceKind.BEAN_FACTORY:
return !(ref.name in contextSchema.beans);
case SpelReferenceKind.TYPE:
return !(ref.name in contextSchema.types);
case SpelReferenceKind.FUNCTION:
return !(ref.name in contextSchema.functions);
default:
return false;
}
});
return {
valid: diagnostics.length === 0,
diagnostics,
missingReferences: missingRefs,
typeMismatches: [],
};
}
getCompletions(
expression: string,
position: number,
contextSchema?: ContextSchema,
): CompletionItem[] {
const schema =
contextSchema ?? SpelEvaluatorAdapter.#extractContextSchema(this.context) ?? undefined;
return SpelCompletionEngine.getCompletions(expression, position, schema);
}
format(expression: string, options?: FormatOptions): string {
return SpelFormatter.format(expression, options);
}
static #extractContextSchema(ctx: StandardEvaluationContext): ContextSchema | null {
try {
const schema: ContextSchema = {
root: null,
variables: {},
beans: {},
types: {},
functions: {},
};
interface StandardContextInternals {
getRootObject?(): { getValue?(): unknown };
}
const internals = ctx as unknown as StandardContextInternals;
// typeof null === 'object' is true in JS, so both checks are required
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
const rootObj = internals.getRootObject?.()?.getValue?.();
if (typeof rootObj === 'object' && rootObj !== null) {
const extractFields = (
obj: Record<string, unknown>,
visited: WeakSet<object> = new WeakSet(),
// eslint-disable-next-line @typescript-eslint/no-explicit-any
): any => {
Iif (typeof obj !== 'object') return {};
if (visited.has(obj)) return {};
visited.add(obj);
const fields: Record<string, unknown> = {};
for (const key of Object.keys(obj)) {
const val = obj[key];
const t = typeof val;
const field: Record<string, unknown> = {
type:
val === null
? 'string'
: Array.isArray(val)
? 'array'
: t === 'number'
? 'number'
: t === 'boolean'
? 'boolean'
: t === 'object'
? 'object'
: 'string',
};
if (t === 'object' && val !== null && !Array.isArray(val)) {
field.fields = extractFields(val as Record<string, unknown>, visited);
}
fields[key] = field;
}
return fields;
};
schema.root = {
name: 'root',
type: (rootObj as { constructor?: { name?: string } }).constructor?.name ?? 'object',
fields: extractFields(rootObj as Record<string, unknown>) as Record<
string,
{ type: 'string' | 'number' | 'boolean' | 'date' | 'object' | 'array' | 'map' }
>,
methods: {},
};
}
return schema;
} catch {
return null;
}
}
}
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