/*!
* Copyright (c) Squirrel Chat et al., All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
import { parseString, parseValue } from './primitive.js';
import { parseArray, parseInlineTable } from './struct.js';
import { skipVoid, skipUntil, skipComment } from './util.js';
import { TomlError } from './error.js';
function sliceAndTrimEndOf(str, startPtr, endPtr) {
let value = str.slice(startPtr, endPtr);
let commentIdx = value.indexOf('#');
if (commentIdx > -1) {
// The call to skipComment allows to "validate" the comment
// (absence of control characters)
skipComment(str, commentIdx);
value = value.slice(0, commentIdx);
}
return [value.trimEnd(), commentIdx];
}
export function extractValue(str, ptr, end, depth, integersAsBigInt) {
if (depth === 0) {
throw new TomlError('document contains excessively nested structures. aborting.', {
toml: str,
ptr: ptr,
});
}
let c = str[ptr];
if (c === '[' || c === '{') {
let [value, endPtr] = c === '['
? parseArray(str, ptr, depth, integersAsBigInt)
: parseInlineTable(str, ptr, depth, integersAsBigInt);
if (end) {
endPtr = skipVoid(str, endPtr);
if (str[endPtr] === ',')
endPtr++;
else if (str[endPtr] !== end) {
throw new TomlError('expected comma or end of structure', {
toml: str,
ptr: endPtr,
});
}
}
return [value, endPtr];
}
if (c === '"' || c === "'") {
let [parsed, endPtr] = parseString(str, ptr);
if (end) {
endPtr = skipVoid(str, endPtr);
if (str[endPtr] && str[endPtr] !== ',' && str[endPtr] !== end && str[endPtr] !== '\n' && str[endPtr] !== '\r') {
throw new TomlError('unexpected character encountered', {
toml: str,
ptr: endPtr,
});
}
if (str[endPtr] === ',')
endPtr++;
}
return [parsed, endPtr];
}
let endPtr = skipUntil(str, ptr, ',', end);
let slice = sliceAndTrimEndOf(str, ptr, endPtr - (str[endPtr - 1] === ',' ? 1 : 0));
if (!slice[0]) {
throw new TomlError('incomplete key-value declaration: no value specified', {
toml: str,
ptr: ptr,
});
}
if (end && slice[1] > -1) {
endPtr = skipVoid(str, ptr + slice[1]);
if (str[endPtr] === ',')
endPtr++;
}
return [
parseValue(slice[0], str, ptr, integersAsBigInt),
endPtr,
];
}
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