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bibtex-tidy
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bibtex-tidy
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#!/usr/bin/env node
/**
* bibtex-tidy v1.8.5
* https://github.com/FlamingTempura/bibtex-tidy
*
* DO NOT EDIT THIS FILE. This file is automatically generated
* using `npm run build`. Edit files in './src' then rebuild.
**/
"use strict";
// src/cli.ts
var import_fs = require("fs");
var import_process = require("process");
// src/__generated__/manPage.ts
var manPage = [
"Usage: bibtex-tidy [OPTION]... FILE.BIB",
"BibTeX Tidy v1.8.5 - Cleaner and formatter for BibTeX files.",
"",
"Options:",
" --help, -h",
" Show help",
" ",
" --omit",
" Remove specified fields from bibliography entries.",
" ",
" Examples:",
" --omit=id,name",
" ",
" --curly, --no-curly",
" Enclose all property values in braces. Quoted values will be converted to",
' braces. For example, "Journal of Tea" will become {Journal of Tea}.',
" ",
" --numeric, --no-numeric",
" Strip quotes and braces from numeric/month values. For example, {1998} will",
" become 1998.",
" ",
" --space",
" Indent all fields with the specified number of spaces. Ignored if tab is set.",
" ",
" Examples:",
" --space=2 (default), --space=4",
" ",
" --tab, --no-tab",
" Indent all fields with a tab.",
" ",
" --align, --no-align",
" Insert whitespace between fields and values so that values are visually",
" aligned.",
" ",
" Examples:",
" --align=14 (default)",
" ",
" --blank-lines, --no-blank-lines",
" Insert an empty line between each entry.",
" ",
" --sort, --no-sort",
" Sort entries by specified fields. For descending order, prefix the field with",
" a dash (-).",
" ",
" Examples:",
" --sort (sort by id), --sort=-year,name (sort year descending then name",
" ascending), --sort=name,year",
" ",
" --duplicates",
" Warn if duplicates are found, which are entries where DOI, abstract, or",
" author and title are the same.",
" ",
" Examples:",
" --duplicates doi (same DOIs), --duplicates key (same IDs), --duplicates",
" abstract (similar abstracts), --duplicates citation (similar author and",
" titles), --duplicates doi, key (identical DOI or keys), --duplicates (same",
" DOI, key, abstract, or citation)",
" ",
" --merge, --no-merge",
" Merge duplicates entries. Use the duplicates option to determine how",
" duplicates are identified. There are different ways to merge:",
" ",
" - first: only keep the original entry",
" ",
" - last: only keep the last found duplicate",
" ",
" - combine: keep original entry and merge in fields of duplicates if they do",
" not already exist",
" ",
" - overwrite: keep original entry and merge in fields of duplicates,",
" overwriting existing fields if they exist",
" ",
" --strip-enclosing-braces",
" Where an entire value is enclosed in double braces, remove the extra braces.",
" For example, {{Journal of Tea}} will become {Journal of Tea}.",
" ",
" --drop-all-caps",
" Where values are all caps, make them title case. For example, {JOURNAL OF",
" TEA} will become {Journal of Tea}. Roman numerals will be left unchanged.",
" ",
" --escape, --no-escape",
" Escape special characters, such as umlaut. This ensures correct typesetting",
" with latex. Enabled by default.",
" ",
" --sort-fields",
" Sort the fields within entries.",
" ",
" If no fields are specified fields will be sorted by: title, shorttitle,",
" author, year, month, day, journal, booktitle, location, on, publisher,",
" address, series, volume, number, pages, doi, isbn, issn, url, urldate,",
" copyright, category, note, metadata",
" ",
" Examples:",
" --sort-fields=name,author",
" ",
" --strip-comments, --no-strip-comments",
" Remove all comments from the bibtex source.",
" ",
" --trailing-commas, --no-trailing-commas",
" End the last key value pair in each entry with a comma.",
" ",
" --encode-urls, --no-encode-urls",
" Replace invalid URL characters with percent encoded values.",
" ",
" --tidy-comments, --no-tidy-comments",
" Remove whitespace surrounding comments.",
" ",
" --remove-empty-fields, --no-remove-empty-fields",
" Remove any fields that have empty values.",
" ",
" --remove-dupe-fields, --no-remove-dupe-fields",
" Only allow one of each field in each entry. Enabled by default.",
" ",
" --generate-keys",
" For all entries replace the key with a new key of the form",
" <author><year><title>. A JabRef citation pattern can be provided. This is an",
" experimental option that may change without warning.",
" ",
" --max-authors",
' Truncate authors if above a given number into "and others".',
" ",
" --no-lowercase",
" Lowercase field names and entry type. Enabled by default.",
" ",
" --enclosing-braces",
" Enclose the given fields in double braces, such that case is preserved during",
" BibTeX compilation.",
" ",
" Examples:",
" --enclosing-braces=title,journal (output title and journal fields will be of",
" the form {{This is a title}}), --enclosing-braces (equivalent to",
" ---enclosing-braces=title)",
" ",
" --remove-braces",
" Remove any curly braces within the value, unless they are part of a command.",
" ",
" Examples:",
" --remove-braces=title,journal, --remove-braces (equivalent to",
" ---remove-braces=title)",
" ",
" --wrap, --no-wrap",
" Wrap long values at the given column",
" ",
" Examples:",
" --wrap (80 by default), --wrap=82",
" ",
" --version, -v",
" Show bibtex-tidy version.",
" ",
" --quiet",
" Suppress logs and warnings.",
" ",
" --backup, --no-backup",
" Make a backup <filename>.original. Enabled by default.",
" ",
"Full documentation <https://github.com/FlamingTempura/bibtex-tidy>"
];
// src/__generated__/version.ts
var version = "1.8.5";
// src/optionDefinitions.ts
var DEFAULT_MERGE_CHECK = ["doi", "citation", "abstract"];
var DEFAULT_ALIGN = 14;
var DEFAULT_SPACE = 2;
var DEFAULT_WRAP = 80;
var DEFAULT_FIELD_SORT = [
"title",
"shorttitle",
"author",
"year",
"month",
"day",
"journal",
"booktitle",
"location",
"on",
"publisher",
"address",
"series",
"volume",
"number",
"pages",
"doi",
"isbn",
"issn",
"url",
"urldate",
"copyright",
"category",
"note",
"metadata"
];
var DEFAULT_SORT = ["key"];
var DEFAULT_KEY_TEMPLATE = "[auth:required:lower][year:required][veryshorttitle:lower][duplicateNumber]";
var optionDefinitions = [
{
key: "help",
cli: { "--help": true, "-h": true },
title: "Help",
description: ["Show help"],
type: "boolean"
},
{
key: "omit",
cli: {
"--omit": (args) => {
if (args.length === 0) {
console.error(`Expected a omit list`);
process.exit(1);
}
return args;
}
},
toCLI: (val) => Array.isArray(val) && val.length > 0 ? `--omit=${val.join(",")}` : void 0,
title: "Remove fields",
description: ["Remove specified fields from bibliography entries."],
examples: ["--omit=id,name"],
type: "string[]",
defaultValue: []
},
{
key: "curly",
cli: { "--curly": true, "--no-curly": false },
toCLI: (val) => val ? `--curly` : void 0,
title: "Enclose values in braces",
description: [
'Enclose all property values in braces. Quoted values will be converted to braces. For example, "Journal of Tea" will become {Journal of Tea}.'
],
type: "boolean",
defaultValue: false
},
{
key: "numeric",
cli: { "--numeric": true, "--no-numeric": false },
toCLI: (val) => val ? `--numeric` : void 0,
title: "Use numeric values where possible",
description: [
"Strip quotes and braces from numeric/month values. For example, {1998} will become 1998."
],
type: "boolean",
defaultValue: false
},
{
key: "space",
cli: {
"--space": (args) => args.length > 0 ? Number(args[0]) : true
},
toCLI: (val, opt) => {
if (opt.tab)
return void 0;
if (typeof val === "number" && val !== DEFAULT_SPACE)
return `--space=${val}`;
if (val && val !== DEFAULT_SPACE)
return "--space";
return void 0;
},
title: "Indent with spaces",
description: [
"Indent all fields with the specified number of spaces. Ignored if tab is set."
],
examples: ["--space=2 (default)", "--space=4"],
type: "boolean | number",
convertBoolean: { true: DEFAULT_SPACE, false: void 0 },
defaultValue: DEFAULT_SPACE
},
{
key: "tab",
cli: { "--tab": true, "--no-tab": false },
toCLI: (val) => val ? `--tab` : void 0,
title: "Indent with tabs",
description: ["Indent all fields with a tab."],
type: "boolean",
defaultValue: false
},
{
key: "align",
cli: {
"--align": (args) => Number(args[0]),
"--no-align": false
},
toCLI: (val) => {
if (val === false || val === 1 || val === 0)
return "--no-align";
if (typeof val === "number" && val !== DEFAULT_ALIGN)
return `--align=${val}`;
return void 0;
},
title: "Align values",
description: [
"Insert whitespace between fields and values so that values are visually aligned."
],
examples: ["--align=14 (default)"],
type: "boolean | number",
convertBoolean: { true: DEFAULT_ALIGN, false: 1 },
defaultValue: DEFAULT_ALIGN
},
{
key: "blankLines",
cli: { "--blank-lines": true, "--no-blank-lines": false },
toCLI: (val) => val ? `--blank-lines` : void 0,
title: "Insert blank lines",
description: ["Insert an empty line between each entry."],
type: "boolean"
},
{
key: "sort",
cli: {
"--sort": (args) => args.length > 0 ? args : true,
"--no-sort": false
},
toCLI: (val) => {
if (Array.isArray(val) && val.length > 0)
return `--sort=${val.join(",")}`;
if (val === true)
return "--sort";
return void 0;
},
title: "Sort bibliography entries",
description: [
"Sort entries by specified fields. For descending order, prefix the field with a dash (-)."
],
examples: [
"--sort (sort by id)",
"--sort=-year,name (sort year descending then name ascending)",
"--sort=name,year"
],
type: "boolean | string[]",
convertBoolean: { true: DEFAULT_SORT, false: void 0 }
},
{
key: "duplicates",
cli: {
"--duplicates": (args) => {
if (args.length === 0)
return true;
for (const i of args) {
if (i !== "doi" && i !== "key" && i !== "abstract" && i !== "citation") {
console.error(`Invalid key for merge option: "${i}"`);
process.exit(1);
}
}
return args;
}
},
toCLI: (val) => {
if (Array.isArray(val) && val.length > 0)
return `--duplicates=${val.join(",")}`;
if (val === true)
return "--duplicates";
return void 0;
},
title: "Check for duplicates",
description: [
"Warn if duplicates are found, which are entries where DOI, abstract, or author and title are the same."
],
examples: [
"--duplicates doi (same DOIs)",
"--duplicates key (same IDs)",
"--duplicates abstract (similar abstracts)",
"--duplicates citation (similar author and titles)",
"--duplicates doi, key (identical DOI or keys)",
"--duplicates (same DOI, key, abstract, or citation)"
],
type: "boolean | ('doi' | 'key' | 'abstract' | 'citation')[]",
convertBoolean: { true: DEFAULT_MERGE_CHECK, false: void 0 },
defaultValue: (options) => options.merge ? DEFAULT_MERGE_CHECK : void 0
},
{
key: "merge",
cli: {
"--merge": (args) => {
if (args.length === 0)
return true;
if (args[0] !== "first" && args[0] !== "last" && args[0] !== "combine" && args[0] !== "overwrite") {
console.error(`Invalid merge strategy: "${args[0]}"`);
process.exit(1);
}
return args[0];
},
"--no-merge": false
},
toCLI: (val) => {
if (typeof val === "string")
return `--merge=${val}`;
if (val)
return "--merge";
return void 0;
},
title: "Merge duplicate entries",
description: [
"Merge duplicates entries. Use the duplicates option to determine how duplicates are identified. There are different ways to merge:",
"- first: only keep the original entry",
"- last: only keep the last found duplicate",
"- combine: keep original entry and merge in fields of duplicates if they do not already exist",
"- overwrite: keep original entry and merge in fields of duplicates, overwriting existing fields if they exist"
],
type: "boolean | 'first' | 'last' | 'combine' | 'overwrite'",
convertBoolean: { true: "combine", false: void 0 }
},
{
key: "stripEnclosingBraces",
cli: { "--strip-enclosing-braces": true },
toCLI: (val) => val ? "--strip-enclosing-braces" : void 0,
title: "Strip double-braced values",
description: [
"Where an entire value is enclosed in double braces, remove the extra braces. For example, {{Journal of Tea}} will become {Journal of Tea}."
],
type: "boolean",
defaultValue: false
},
{
key: "dropAllCaps",
cli: { "--drop-all-caps": true },
toCLI: (val) => val ? "--drop-all-caps" : void 0,
title: "Drop all caps",
description: [
"Where values are all caps, make them title case. For example, {JOURNAL OF TEA} will become {Journal of Tea}. Roman numerals will be left unchanged."
],
type: "boolean",
defaultValue: false
},
{
key: "escape",
cli: { "--escape": true, "--no-escape": false },
toCLI: (val) => val === false ? "--no-escape" : void 0,
title: "Escape special characters",
description: [
"Escape special characters, such as umlaut. This ensures correct typesetting with latex. Enabled by default."
],
type: "boolean",
defaultValue: true
},
{
key: "sortFields",
cli: { "--sort-fields": (args) => args.length > 0 ? args : true },
toCLI: (val) => {
if (Array.isArray(val) && val.length > 0) {
if (JSON.stringify(val) === JSON.stringify(DEFAULT_FIELD_SORT)) {
return "--sort_fields";
}
return `--sort-fields=${val.join(",")}`;
}
if (val === true)
return "--sort-fields";
return void 0;
},
title: "Sort fields",
description: [
"Sort the fields within entries.",
"If no fields are specified fields will be sorted by: title, shorttitle, author, year, month, day, journal, booktitle, location, on, publisher, address, series, volume, number, pages, doi, isbn, issn, url, urldate, copyright, category, note, metadata"
],
examples: ["--sort-fields=name,author"],
type: "boolean | string[]",
convertBoolean: { true: DEFAULT_FIELD_SORT, false: void 0 },
defaultValue: void 0
},
{
key: "sortProperties",
cli: { "--sort-properties": (args) => args.length > 0 ? args : true },
title: "Sort properties",
description: ["Alias of sort fields (legacy)"],
type: "boolean | string[]",
deprecated: true
},
{
key: "stripComments",
cli: { "--strip-comments": true, "--no-strip-comments": false },
toCLI: (val) => val ? "--strip-comments" : void 0,
title: "Remove comments",
description: ["Remove all comments from the bibtex source."],
type: "boolean",
defaultValue: false
},
{
key: "trailingCommas",
cli: { "--trailing-commas": true, "--no-trailing-commas": true },
toCLI: (val) => val ? "--trailing-commas" : void 0,
title: "Trailing commas",
description: ["End the last key value pair in each entry with a comma."],
type: "boolean",
defaultValue: false
},
{
key: "encodeUrls",
cli: { "--encode-urls": true, "--no-encode-urls": true },
toCLI: (val) => val ? "--encode-urls" : void 0,
title: "Encode URLs",
description: [
"Replace invalid URL characters with percent encoded values."
],
type: "boolean",
defaultValue: false
},
{
key: "tidyComments",
cli: { "--tidy-comments": true, "--no-tidy-comments": false },
toCLI: (val) => val === false ? "--no-tidy-comments" : void 0,
title: "Tidy comments",
description: ["Remove whitespace surrounding comments."],
type: "boolean",
defaultValue: true
},
{
key: "removeEmptyFields",
cli: { "--remove-empty-fields": true, "--no-remove-empty-fields": false },
toCLI: (val) => val ? "--remove-empty-fields" : void 0,
title: "Remove empty fields",
description: ["Remove any fields that have empty values."],
type: "boolean",
defaultValue: false
},
{
key: "removeDuplicateFields",
cli: {
"--remove-dupe-fields": true,
"--no-remove-dupe-fields": false
},
toCLI: (val) => val === false ? "--no-remove-dupe-fields" : void 0,
title: "Remove duplicate fields",
description: [
"Only allow one of each field in each entry. Enabled by default."
],
type: "boolean",
defaultValue: true
},
{
key: "generateKeys",
cli: { "--generate-keys": (args) => args.length > 0 ? args : true },
toCLI: (val) => {
if (val === true || val === DEFAULT_KEY_TEMPLATE)
return "--generate-keys";
if (typeof val === "string")
return `--generate-keys="${val.replace(/"/g, '\\"')}"`;
return void 0;
},
title: "Generate citation keys [Experimental]",
description: [
"For all entries replace the key with a new key of the form <author><year><title>. A JabRef citation pattern can be provided. This is an experimental option that may change without warning."
],
type: "boolean | string",
convertBoolean: {
true: DEFAULT_KEY_TEMPLATE,
false: void 0
},
defaultValue: void 0
},
{
key: "maxAuthors",
cli: { "--max-authors": (args) => Number(args[0]) },
toCLI: (val) => val ? `--max-authors=${val}` : void 0,
title: "Maximum authors",
description: [
'Truncate authors if above a given number into "and others".'
],
type: "number"
},
{
key: "lowercase",
cli: { "--no-lowercase": false },
toCLI: (val) => val === false ? "--no-lowercase" : void 0,
title: "Lowercase fields",
description: ["Lowercase field names and entry type. Enabled by default."],
type: "boolean",
defaultValue: true
},
{
key: "enclosingBraces",
cli: {
"--enclosing-braces": (args) => args.length > 0 ? args : true
},
toCLI: (val) => {
if (Array.isArray(val) && val.length > 0)
return `--enclosing-braces=${val.join(",")}`;
if (val === true)
return "--enclosing-braces";
return void 0;
},
title: "Enclose values in double braces",
description: [
"Enclose the given fields in double braces, such that case is preserved during BibTeX compilation."
],
examples: [
"--enclosing-braces=title,journal (output title and journal fields will be of the form {{This is a title}})",
"--enclosing-braces (equivalent to ---enclosing-braces=title)"
],
type: "boolean | string[]",
convertBoolean: { true: ["title"], false: void 0 }
},
{
key: "removeBraces",
cli: {
"--remove-braces": (args) => args.length > 0 ? args : true
},
toCLI: (val) => {
if (Array.isArray(val) && val.length > 0)
return `--remove-braces=${val.join(",")}`;
if (val === true)
return "--remove-braces";
return void 0;
},
title: "Remove braces",
description: [
"Remove any curly braces within the value, unless they are part of a command."
],
examples: [
"--remove-braces=title,journal",
"--remove-braces (equivalent to ---remove-braces=title)"
],
type: "boolean | string[]",
convertBoolean: { true: ["title"], false: void 0 }
},
{
key: "wrap",
cli: {
"--wrap": (args) => args.length > 0 ? Number(args[0]) : true,
"--no-wrap": false
},
toCLI: (val) => val ? `--wrap=${val}` : void 0,
title: "Wrap values",
description: ["Wrap long values at the given column"],
examples: ["--wrap (80 by default)", "--wrap=82"],
type: "boolean | number",
convertBoolean: { true: DEFAULT_WRAP, false: void 0 }
},
{
key: "version",
cli: { "--version": true, "-v": true },
title: "Version",
description: ["Show bibtex-tidy version."],
type: "boolean"
},
{
key: "quiet",
cli: { "--quiet": true },
title: "Quiet",
description: ["Suppress logs and warnings."],
type: "boolean"
},
{
key: "backup",
cli: { "--backup": true, "--no-backup": false },
title: "Backup",
description: ["Make a backup <filename>.original. Enabled by default."],
type: "boolean",
defaultValue: true
}
];
var optionDefinitionByKey = Object.fromEntries(optionDefinitions.map((opt) => [opt.key, opt]));
// src/cliUtils.ts
var OPTIONS = new Set(
optionDefinitions.flatMap((def) => Object.keys(def.cli))
);
function parseArguments(args) {
const {
inputFiles,
optionArgVals: optionArgs,
unknownArgs
} = splitCLIArgs(args);
const options = {};
for (const def of optionDefinitions) {
for (const [opt, val] of Object.entries(def.cli)) {
const arg = optionArgs[opt];
if (!arg)
continue;
const key = def.key;
if (typeof val === "function") {
options[key] = val(arg);
} else {
options[key] = val;
}
}
}
if (inputFiles[0] === "-") {
options.quiet = true;
}
return { inputFiles, options, unknownArgs };
}
function splitCLIArgs(args) {
var _a, _b, _c;
const optionArgVals = {};
const unknownArgs = /* @__PURE__ */ new Set();
let currOption;
let valueOrInputArgs = [];
let inputArgs;
const argsToProcess = args.map((arg) => ({ arg }));
while (true) {
const next = argsToProcess.shift();
if (!next)
break;
const { arg, isValue } = next;
if (!isValue && arg.startsWith("-") && arg !== "-") {
const equalPos = arg.indexOf("=");
if (equalPos > -1) {
const option = arg.slice(0, equalPos);
const values = arg.slice(equalPos + 1).split(",");
argsToProcess.unshift(
{ arg: option },
...values.map((val) => ({ arg: val, isValue: true }))
);
continue;
}
if (!OPTIONS.has(arg)) {
unknownArgs.add(arg);
continue;
}
if (currOption) {
(_a = optionArgVals[currOption]) == null ? void 0 : _a.push(...valueOrInputArgs);
} else if (valueOrInputArgs.length > 0) {
inputArgs = valueOrInputArgs;
}
currOption = arg;
optionArgVals[currOption] = [];
valueOrInputArgs = [];
} else if (isValue && currOption) {
(_b = optionArgVals[currOption]) == null ? void 0 : _b.push(unquote(arg));
} else {
valueOrInputArgs.push(arg);
}
}
if (!inputArgs) {
inputArgs = valueOrInputArgs;
} else if (currOption) {
(_c = optionArgVals[currOption]) == null ? void 0 : _c.push(...valueOrInputArgs);
} else {
throw new Error(`Invalid args: ${args.join(" ")}`);
}
return {
inputFiles: inputArgs,
optionArgVals,
unknownArgs: [...unknownArgs]
};
}
function unquote(value) {
if (value.startsWith('"') && value.endsWith('"')) {
return JSON.parse(value);
}
return value;
}
// src/bibtex-parser.ts
var RootNode = class {
constructor(children = []) {
this.children = children;
this.type = "root";
}
};
var TextNode = class {
constructor(parent, text) {
this.parent = parent;
this.text = text;
this.type = "text";
parent.children.push(this);
}
};
var BlockNode = class {
constructor(parent) {
this.parent = parent;
this.type = "block";
this.command = "";
parent.children.push(this);
}
};
var CommentNode = class {
constructor(parent, raw, braces, parens) {
this.parent = parent;
this.raw = raw;
this.braces = braces;
this.parens = parens;
this.type = "comment";
parent.block = this;
}
};
var PreambleNode = class {
constructor(parent, raw, braces, parens) {
this.parent = parent;
this.raw = raw;
this.braces = braces;
this.parens = parens;
this.type = "preamble";
parent.block = this;
}
};
var StringNode = class {
constructor(parent, raw, braces, parens) {
this.parent = parent;
this.raw = raw;
this.braces = braces;
this.parens = parens;
this.type = "string";
parent.block = this;
}
};
var EntryNode = class {
constructor(parent, wrapType) {
this.parent = parent;
this.wrapType = wrapType;
this.type = "entry";
parent.block = this;
this.fields = [];
}
};
var FieldNode = class {
constructor(parent, name = "") {
this.parent = parent;
this.name = name;
this.type = "field";
this.value = new ConcatNode(this);
}
};
var ConcatNode = class {
constructor(parent) {
this.parent = parent;
this.type = "concat";
this.canConsumeValue = true;
this.concat = [];
}
};
var LiteralNode = class {
constructor(parent, value) {
this.parent = parent;
this.value = value;
this.type = "literal";
parent.concat.push(this);
}
};
var BracedNode = class {
constructor(parent) {
this.parent = parent;
this.type = "braced";
this.value = "";
/** Used to count opening and closing braces */
this.depth = 0;
parent.concat.push(this);
}
};
var QuotedNode = class {
constructor(parent) {
this.parent = parent;
this.type = "quoted";
this.value = "";
/** Used to count opening and closing braces */
this.depth = 0;
parent.concat.push(this);
}
};
function generateAST(input) {
var _a;
const rootNode = new RootNode();
let node = rootNode;
let line = 1;
let column = 0;
for (let i = 0; i < input.length; i++) {
const char = input[i];
const prev = input[i - 1];
if (char === "\n") {
line++;
column = 0;
}
column++;
switch (node.type) {
case "root": {
node = char === "@" ? new BlockNode(node) : new TextNode(node, char);
break;
}
case "text": {
if (char === "@" && /[\s\r\n}]/.test(prev)) {
node = new BlockNode(node.parent);
} else {
node.text += char;
}
break;
}
case "block": {
if (char === "@") {
const prevNode = node.parent.children[node.parent.children.length - 2];
if ((prevNode == null ? void 0 : prevNode.type) === "text") {
prevNode.text += "@" + node.command;
} else {
node.parent.children.pop();
new TextNode(node.parent, "@" + node.command);
node.parent.children.push(node);
}
node.command = "";
} else if (char === "{" || char === "(") {
const commandTrimmed = node.command.trim();
if (commandTrimmed === "" || /\s/.test(commandTrimmed)) {
node.parent.children.pop();
node = new TextNode(node.parent, "@" + node.command + char);
} else {
node.command = commandTrimmed;
const command = node.command.toLowerCase();
const [braces, parens] = char === "{" ? [1, 0] : [0, 1];
const raw = "@" + command + char;
switch (command) {
case "string":
node = new StringNode(node, raw, braces, parens);
break;
case "preamble":
node = new PreambleNode(node, raw, braces, parens);
break;
case "comment":
node = new CommentNode(node, raw, braces, parens);
break;
default:
node = new EntryNode(node, char);
break;
}
}
} else if (char.match(/[=#,})[\]]/)) {
node.parent.children.pop();
node = new TextNode(node.parent, "@" + node.command + char);
} else {
node.command += char;
}
break;
}
case "comment":
case "string":
case "preamble":
if (char === "{") {
node.braces++;
} else if (char === "}") {
node.braces--;
} else if (char === "(") {
node.parens++;
} else if (char === ")") {
node.parens--;
}
node.raw += char;
if (node.braces === 0 && node.parens === 0) {
node = node.parent.parent;
}
break;
case "entry": {
if (isWhitespace(char)) {
if (!node.key) {
} else {
node.keyEnded = true;
}
} else if (char === ",") {
node = new FieldNode(node);
} else if (node.wrapType === "{" && char === "}" || node.wrapType === "(" && char === ")") {
node = node.parent.parent;
} else if (char === "=" && node.key && isValidFieldName(node.key)) {
const field = new FieldNode(node, node.key);
node.fields.push(field);
node.key = void 0;
node = field.value;
} else if (node.keyEnded) {
throw new BibTeXSyntaxError(
input,
node,
i,
line,
column,
`The entry key cannot contain whitespace`
);
} else if (!isValidKeyCharacter(char)) {
throw new BibTeXSyntaxError(
input,
node,
i,
line,
column,
`The entry key cannot contain the character (${char})`
);
} else {
node.key = ((_a = node.key) != null ? _a : "") + char;
}
break;
}
case "field": {
if (char === "}" || char === ")") {
node.name = node.name.trim();
node = node.parent.parent.parent;
} else if (char === "=") {
node.name = node.name.trim();
node = node.value;
} else if (char === ",") {
node.name = node.name.trim();
node = new FieldNode(node.parent);