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import { assert } from '../../util/util.js';
import {
TestParamsRW,
JSONWithUndefined,
badParamValueChars,
paramKeyIsPublic,
} from '../params_utils.js';
import { parseParamValue } from './json_param_value.js';
import {
TestQuery,
TestQueryMultiFile,
TestQueryMultiTest,
TestQueryMultiCase,
TestQuerySingleCase,
} from './query.js';
import { kBigSeparator, kWildcard, kPathSeparator, kParamSeparator } from './separators.js';
import { validQueryPart } from './validQueryPart.js';
export function parseQuery(s: string): TestQuery {
try {
return parseQueryImpl(s);
} catch (ex) {
if (ex instanceof Error) {
ex.message += '\n on: ' + s;
}
throw ex;
}
}
function parseQueryImpl(s: string): TestQuery {
// Undo encodeURIComponentSelectively
s = decodeURIComponent(s);
// bigParts are: suite, file, test, params (note kBigSeparator could appear in params)
let suite: string;
let fileString: string | undefined;
let testString: string | undefined;
let paramsString: string | undefined;
{
const i1 = s.indexOf(kBigSeparator);
assert(i1 !== -1, `query string must have at least one ${kBigSeparator}`);
suite = s.substring(0, i1);
const i2 = s.indexOf(kBigSeparator, i1 + 1);
if (i2 === -1) {
fileString = s.substring(i1 + 1);
} else {
fileString = s.substring(i1 + 1, i2);
const i3 = s.indexOf(kBigSeparator, i2 + 1);
if (i3 === -1) {
testString = s.substring(i2 + 1);
} else {
testString = s.substring(i2 + 1, i3);
paramsString = s.substring(i3 + 1);
}
}
}
const { parts: file, wildcard: filePathHasWildcard } = parseBigPart(fileString, kPathSeparator);
if (testString === undefined) {
// Query is file-level
assert(
filePathHasWildcard,
`File-level query without wildcard ${kWildcard}. Did you want a file-level query \
(append ${kPathSeparator}${kWildcard}) or test-level query (append ${kBigSeparator}${kWildcard})?`
);
return new TestQueryMultiFile(suite, file);
}
assert(!filePathHasWildcard, `Wildcard ${kWildcard} must be at the end of the query string`);
const { parts: test, wildcard: testPathHasWildcard } = parseBigPart(testString, kPathSeparator);
if (paramsString === undefined) {
// Query is test-level
assert(
testPathHasWildcard,
`Test-level query without wildcard ${kWildcard}; did you want a test-level query \
(append ${kPathSeparator}${kWildcard}) or case-level query (append ${kBigSeparator}${kWildcard})?`
);
assert(file.length > 0, 'File part of test-level query was empty (::)');
return new TestQueryMultiTest(suite, file, test);
}
// Query is case-level
assert(!testPathHasWildcard, `Wildcard ${kWildcard} must be at the end of the query string`);
const { parts: paramsParts, wildcard: paramsHasWildcard } = parseBigPart(
paramsString,
kParamSeparator
);
assert(test.length > 0, 'Test part of case-level query was empty (::)');
const params: TestParamsRW = {};
for (const paramPart of paramsParts) {
const [k, v] = parseSingleParam(paramPart);
assert(validQueryPart.test(k), `param key names must match ${validQueryPart}`);
params[k] = v;
}
if (paramsHasWildcard) {
return new TestQueryMultiCase(suite, file, test, params);
} else {
return new TestQuerySingleCase(suite, file, test, params);
}
}
// webgpu:a,b,* or webgpu:a,b,c:*
const kExampleQueries = `\
webgpu${kBigSeparator}a${kPathSeparator}b${kPathSeparator}${kWildcard} or \
webgpu${kBigSeparator}a${kPathSeparator}b${kPathSeparator}c${kBigSeparator}${kWildcard}`;
function parseBigPart(
s: string,
separator: typeof kParamSeparator | typeof kPathSeparator
): { parts: string[]; wildcard: boolean } {
if (s === '') {
return { parts: [], wildcard: false };
}
const parts = s.split(separator);
let endsWithWildcard = false;
for (const [i, part] of parts.entries()) {
if (i === parts.length - 1) {
endsWithWildcard = part === kWildcard;
}
assert(
part.indexOf(kWildcard) === -1 || endsWithWildcard,
`Wildcard ${kWildcard} must be complete last part of a path (e.g. ${kExampleQueries})`
);
}
if (endsWithWildcard) {
// Remove the last element of the array (which is just the wildcard).
parts.length = parts.length - 1;
}
return { parts, wildcard: endsWithWildcard };
}
function parseSingleParam(paramSubstring: string): [string, JSONWithUndefined] {
assert(paramSubstring !== '', 'Param in a query must not be blank (is there a trailing comma?)');
const i = paramSubstring.indexOf('=');
assert(i !== -1, 'Param in a query must be of form key=value');
const k = paramSubstring.substring(0, i);
assert(paramKeyIsPublic(k), 'Param in a query must not be private (start with _)');
const v = paramSubstring.substring(i + 1);
return [k, parseSingleParamValue(v)];
}
function parseSingleParamValue(s: string): JSONWithUndefined {
assert(
!badParamValueChars.test(s),
`param value must not match ${badParamValueChars} - was ${s}`
);
return parseParamValue(s);
}
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