/*!
* 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.
*/
function getLineColFromPtr(string, ptr) {
let lines = string.slice(0, ptr).split(/\r\n|\n|\r/g);
return [lines.length, lines.pop().length + 1];
}
function makeCodeBlock(string, line, column) {
let lines = string.split(/\r\n|\n|\r/g);
let codeblock = '';
let numberLen = (Math.log10(line + 1) | 0) + 1;
for (let i = line - 1; i <= line + 1; i++) {
let l = lines[i - 1];
if (!l)
continue;
codeblock += i.toString().padEnd(numberLen, ' ');
codeblock += ': ';
codeblock += l;
codeblock += '\n';
if (i === line) {
codeblock += ' '.repeat(numberLen + column + 2);
codeblock += '^\n';
}
}
return codeblock;
}
export class TomlError extends Error {
line;
column;
codeblock;
constructor(message, options) {
const [line, column] = getLineColFromPtr(options.toml, options.ptr);
const codeblock = makeCodeBlock(options.toml, line, column);
super(`Invalid TOML document: ${message}\n\n${codeblock}`, options);
this.line = line;
this.column = column;
this.codeblock = codeblock;
}
}
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