key-value-string
Version:
A simple key-value string parser with zero dependencies
616 lines (613 loc) • 24.1 kB
JavaScript
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __require = /* @__PURE__ */ ((x) => typeof require !== "undefined" ? require : typeof Proxy !== "undefined" ? new Proxy(x, {
get: (a, b) => (typeof require !== "undefined" ? require : a)[b]
}) : x)(function(x) {
if (typeof require !== "undefined")
return require.apply(this, arguments);
throw Error('Dynamic require of "' + x + '" is not supported');
});
var __commonJS = (cb, mod) => function __require2() {
return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
mod
));
// src/parser.js
var require_parser = __commonJS({
"src/parser.js"(exports) {
"use strict";
var parser2 = function() {
var o = function(k, v, o2, l) {
for (o2 = o2 || {}, l = k.length; l--; o2[k[l]] = v)
;
return o2;
}, $V0 = [1, 5], $V1 = [5, 7], $V2 = [1, 13], $V3 = [1, 12], $V4 = [10, 11];
var parser3 = {
trace: function trace() {
},
yy: {},
symbols_: { "error": 2, "document": 3, "pairs": 4, "EOF": 5, "pair": 6, "UNQUOTED_STRING": 7, "=": 8, "value_list": 9, ";": 10, ",": 11, "simple_value": 12, "QUOTED_STRING": 13, "$accept": 0, "$end": 1 },
terminals_: { 2: "error", 5: "EOF", 7: "UNQUOTED_STRING", 8: "=", 10: ";", 11: ",", 13: "QUOTED_STRING" },
productions_: [0, [3, 2], [3, 1], [4, 2], [4, 1], [6, 4], [6, 3], [9, 3], [9, 1], [9, 2], [12, 1], [12, 1]],
performAction: function anonymous(yytext, yyleng, yylineno, yy, yystate, $$, _$) {
var $0 = $$.length - 1;
switch (yystate) {
case 1:
return $$[$0 - 1];
break;
case 2:
return {};
break;
case 3:
Object.assign($$[$0 - 1], $$[$0]);
this.$ = $$[$0 - 1];
break;
case 4:
this.$ = $$[$0];
break;
case 5:
this.$ = {};
this.$[$$[$0 - 3]] = $$[$0 - 1].length === 1 ? $$[$0 - 1][0] : $$[$0 - 1];
break;
case 6:
this.$ = {};
this.$[$$[$0 - 2]] = null;
break;
case 7:
$$[$0 - 2].push($$[$0]);
this.$ = $$[$0 - 2];
break;
case 8:
this.$ = [$$[$0]];
break;
case 9:
$$[$0 - 1].push(null);
this.$ = $$[$0 - 1];
break;
case 10:
this.$ = $$[$0].slice(1, -1);
break;
case 11:
const num = parseFloat($$[$0]);
if (!isNaN(num) && isFinite(num) && (String(num) === $$[$0] || $$[$0] === "-0" && num === 0)) {
this.$ = num;
} else {
this.$ = $$[$0];
}
break;
}
},
table: [{ 3: 1, 4: 2, 5: [1, 3], 6: 4, 7: $V0 }, { 1: [3] }, { 5: [1, 6], 6: 7, 7: $V0 }, { 1: [2, 2] }, o($V1, [2, 4]), { 8: [1, 8] }, { 1: [2, 1] }, o($V1, [2, 3]), { 7: $V2, 9: 9, 10: [1, 10], 12: 11, 13: $V3 }, { 10: [1, 14], 11: [1, 15] }, o($V1, [2, 6]), o($V4, [2, 8]), o($V4, [2, 10]), o($V4, [2, 11]), o($V1, [2, 5]), o($V4, [2, 9], { 12: 16, 7: $V2, 13: $V3 }), o($V4, [2, 7])],
defaultActions: { 3: [2, 2], 6: [2, 1] },
parseError: function parseError(str, hash) {
if (hash.recoverable) {
this.trace(str);
} else {
var error = new Error(str);
error.hash = hash;
throw error;
}
},
parse: function parse(input) {
var self = this, stack = [0], tstack = [], vstack = [null], lstack = [], table = this.table, yytext = "", yylineno = 0, yyleng = 0, recovering = 0, TERROR = 2, EOF = 1;
var args = lstack.slice.call(arguments, 1);
var lexer2 = Object.create(this.lexer);
var sharedState = { yy: {} };
for (var k in this.yy) {
if (Object.prototype.hasOwnProperty.call(this.yy, k)) {
sharedState.yy[k] = this.yy[k];
}
}
lexer2.setInput(input, sharedState.yy);
sharedState.yy.lexer = lexer2;
sharedState.yy.parser = this;
if (typeof lexer2.yylloc == "undefined") {
lexer2.yylloc = {};
}
var yyloc = lexer2.yylloc;
lstack.push(yyloc);
var ranges = lexer2.options && lexer2.options.ranges;
if (typeof sharedState.yy.parseError === "function") {
this.parseError = sharedState.yy.parseError;
} else {
this.parseError = Object.getPrototypeOf(this).parseError;
}
function popStack(n) {
stack.length = stack.length - 2 * n;
vstack.length = vstack.length - n;
lstack.length = lstack.length - n;
}
_token_stack:
var lex = function() {
var token;
token = lexer2.lex() || EOF;
if (typeof token !== "number") {
token = self.symbols_[token] || token;
}
return token;
};
var symbol, preErrorSymbol, state, action, a, r, yyval = {}, p, len, newState, expected;
while (true) {
state = stack[stack.length - 1];
if (this.defaultActions[state]) {
action = this.defaultActions[state];
} else {
if (symbol === null || typeof symbol == "undefined") {
symbol = lex();
}
action = table[state] && table[state][symbol];
}
if (typeof action === "undefined" || !action.length || !action[0]) {
var errStr = "";
expected = [];
for (p in table[state]) {
if (this.terminals_[p] && p > TERROR) {
expected.push("'" + this.terminals_[p] + "'");
}
}
if (lexer2.showPosition) {
errStr = "Parse error on line " + (yylineno + 1) + ":\n" + lexer2.showPosition() + "\nExpecting " + expected.join(", ") + ", got '" + (this.terminals_[symbol] || symbol) + "'";
} else {
errStr = "Parse error on line " + (yylineno + 1) + ": Unexpected " + (symbol == EOF ? "end of input" : "'" + (this.terminals_[symbol] || symbol) + "'");
}
this.parseError(errStr, {
text: lexer2.match,
token: this.terminals_[symbol] || symbol,
line: lexer2.yylineno,
loc: yyloc,
expected
});
}
if (action[0] instanceof Array && action.length > 1) {
throw new Error("Parse Error: multiple actions possible at state: " + state + ", token: " + symbol);
}
switch (action[0]) {
case 1:
stack.push(symbol);
vstack.push(lexer2.yytext);
lstack.push(lexer2.yylloc);
stack.push(action[1]);
symbol = null;
if (!preErrorSymbol) {
yyleng = lexer2.yyleng;
yytext = lexer2.yytext;
yylineno = lexer2.yylineno;
yyloc = lexer2.yylloc;
if (recovering > 0) {
recovering--;
}
} else {
symbol = preErrorSymbol;
preErrorSymbol = null;
}
break;
case 2:
len = this.productions_[action[1]][1];
yyval.$ = vstack[vstack.length - len];
yyval._$ = {
first_line: lstack[lstack.length - (len || 1)].first_line,
last_line: lstack[lstack.length - 1].last_line,
first_column: lstack[lstack.length - (len || 1)].first_column,
last_column: lstack[lstack.length - 1].last_column
};
if (ranges) {
yyval._$.range = [
lstack[lstack.length - (len || 1)].range[0],
lstack[lstack.length - 1].range[1]
];
}
r = this.performAction.apply(yyval, [
yytext,
yyleng,
yylineno,
sharedState.yy,
action[1],
vstack,
lstack
].concat(args));
if (typeof r !== "undefined") {
return r;
}
if (len) {
stack = stack.slice(0, -1 * len * 2);
vstack = vstack.slice(0, -1 * len);
lstack = lstack.slice(0, -1 * len);
}
stack.push(this.productions_[action[1]][0]);
vstack.push(yyval.$);
lstack.push(yyval._$);
newState = table[stack[stack.length - 2]][stack[stack.length - 1]];
stack.push(newState);
break;
case 3:
return true;
}
}
return true;
}
};
var lexer = /* @__PURE__ */ function() {
var lexer2 = {
EOF: 1,
parseError: function parseError(str, hash) {
if (this.yy.parser) {
this.yy.parser.parseError(str, hash);
} else {
throw new Error(str);
}
},
// resets the lexer, sets new input
setInput: function(input, yy) {
this.yy = yy || this.yy || {};
this._input = input;
this._more = this._backtrack = this.done = false;
this.yylineno = this.yyleng = 0;
this.yytext = this.matched = this.match = "";
this.conditionStack = ["INITIAL"];
this.yylloc = {
first_line: 1,
first_column: 0,
last_line: 1,
last_column: 0
};
if (this.options.ranges) {
this.yylloc.range = [0, 0];
}
this.offset = 0;
return this;
},
// consumes and returns one char from the input
input: function() {
var ch = this._input[0];
this.yytext += ch;
this.yyleng++;
this.offset++;
this.match += ch;
this.matched += ch;
var lines = ch.match(/(?:\r\n?|\n).*/g);
if (lines) {
this.yylineno++;
this.yylloc.last_line++;
} else {
this.yylloc.last_column++;
}
if (this.options.ranges) {
this.yylloc.range[1]++;
}
this._input = this._input.slice(1);
return ch;
},
// unshifts one char (or a string) into the input
unput: function(ch) {
var len = ch.length;
var lines = ch.split(/(?:\r\n?|\n)/g);
this._input = ch + this._input;
this.yytext = this.yytext.substr(0, this.yytext.length - len);
this.offset -= len;
var oldLines = this.match.split(/(?:\r\n?|\n)/g);
this.match = this.match.substr(0, this.match.length - 1);
this.matched = this.matched.substr(0, this.matched.length - 1);
if (lines.length - 1) {
this.yylineno -= lines.length - 1;
}
var r = this.yylloc.range;
this.yylloc = {
first_line: this.yylloc.first_line,
last_line: this.yylineno + 1,
first_column: this.yylloc.first_column,
last_column: lines ? (lines.length === oldLines.length ? this.yylloc.first_column : 0) + oldLines[oldLines.length - lines.length].length - lines[0].length : this.yylloc.first_column - len
};
if (this.options.ranges) {
this.yylloc.range = [r[0], r[0] + this.yyleng - len];
}
this.yyleng = this.yytext.length;
return this;
},
// When called from action, caches matched text and appends it on next action
more: function() {
this._more = true;
return this;
},
// When called from action, signals the lexer that this rule fails to match the input, so the next matching rule (regex) should be tested instead.
reject: function() {
if (this.options.backtrack_lexer) {
this._backtrack = true;
} else {
return this.parseError("Lexical error on line " + (this.yylineno + 1) + ". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n" + this.showPosition(), {
text: "",
token: null,
line: this.yylineno
});
}
return this;
},
// retain first n characters of the match
less: function(n) {
this.unput(this.match.slice(n));
},
// displays already matched input, i.e. for error messages
pastInput: function() {
var past = this.matched.substr(0, this.matched.length - this.match.length);
return (past.length > 20 ? "..." : "") + past.substr(-20).replace(/\n/g, "");
},
// displays upcoming input, i.e. for error messages
upcomingInput: function() {
var next = this.match;
if (next.length < 20) {
next += this._input.substr(0, 20 - next.length);
}
return (next.substr(0, 20) + (next.length > 20 ? "..." : "")).replace(/\n/g, "");
},
// displays the character position where the lexing error occurred, i.e. for error messages
showPosition: function() {
var pre = this.pastInput();
var c = new Array(pre.length + 1).join("-");
return pre + this.upcomingInput() + "\n" + c + "^";
},
// test the lexed token: return FALSE when not a match, otherwise return token
test_match: function(match, indexed_rule) {
var token, lines, backup;
if (this.options.backtrack_lexer) {
backup = {
yylineno: this.yylineno,
yylloc: {
first_line: this.yylloc.first_line,
last_line: this.last_line,
first_column: this.yylloc.first_column,
last_column: this.yylloc.last_column
},
yytext: this.yytext,
match: this.match,
matches: this.matches,
matched: this.matched,
yyleng: this.yyleng,
offset: this.offset,
_more: this._more,
_input: this._input,
yy: this.yy,
conditionStack: this.conditionStack.slice(0),
done: this.done
};
if (this.options.ranges) {
backup.yylloc.range = this.yylloc.range.slice(0);
}
}
lines = match[0].match(/(?:\r\n?|\n).*/g);
if (lines) {
this.yylineno += lines.length;
}
this.yylloc = {
first_line: this.yylloc.last_line,
last_line: this.yylineno + 1,
first_column: this.yylloc.last_column,
last_column: lines ? lines[lines.length - 1].length - lines[lines.length - 1].match(/\r?\n?/)[0].length : this.yylloc.last_column + match[0].length
};
this.yytext += match[0];
this.match += match[0];
this.matches = match;
this.yyleng = this.yytext.length;
if (this.options.ranges) {
this.yylloc.range = [this.offset, this.offset += this.yyleng];
}
this._more = false;
this._backtrack = false;
this._input = this._input.slice(match[0].length);
this.matched += match[0];
token = this.performAction.call(this, this.yy, this, indexed_rule, this.conditionStack[this.conditionStack.length - 1]);
if (this.done && this._input) {
this.done = false;
}
if (token) {
return token;
} else if (this._backtrack) {
for (var k in backup) {
this[k] = backup[k];
}
return false;
}
return false;
},
// return next match in input
next: function() {
if (this.done) {
return this.EOF;
}
if (!this._input) {
this.done = true;
}
var token, match, tempMatch, index;
if (!this._more) {
this.yytext = "";
this.match = "";
}
var rules = this._currentRules();
for (var i = 0; i < rules.length; i++) {
tempMatch = this._input.match(this.rules[rules[i]]);
if (tempMatch && (!match || tempMatch[0].length > match[0].length)) {
match = tempMatch;
index = i;
if (this.options.backtrack_lexer) {
token = this.test_match(tempMatch, rules[i]);
if (token !== false) {
return token;
} else if (this._backtrack) {
match = false;
continue;
} else {
return false;
}
} else if (!this.options.flex) {
break;
}
}
}
if (match) {
token = this.test_match(match, rules[index]);
if (token !== false) {
return token;
}
return false;
}
if (this._input === "") {
return this.EOF;
} else {
return this.parseError("Lexical error on line " + (this.yylineno + 1) + ". Unrecognized text.\n" + this.showPosition(), {
text: "",
token: null,
line: this.yylineno
});
}
},
// return next match that has a token
lex: function lex() {
var r = this.next();
if (r) {
return r;
} else {
return this.lex();
}
},
// activates a new lexer condition state (pushes the new lexer condition state onto the condition stack)
begin: function begin(condition) {
this.conditionStack.push(condition);
},
// pop the previously active lexer condition state off the condition stack
popState: function popState() {
var n = this.conditionStack.length - 1;
if (n > 0) {
return this.conditionStack.pop();
} else {
return this.conditionStack[0];
}
},
// produce the lexer rule set which is active for the currently active lexer condition state
_currentRules: function _currentRules() {
if (this.conditionStack.length && this.conditionStack[this.conditionStack.length - 1]) {
return this.conditions[this.conditionStack[this.conditionStack.length - 1]].rules;
} else {
return this.conditions["INITIAL"].rules;
}
},
// return the currently active lexer condition state; when an index argument is provided it produces the N-th previous condition state, if available
topState: function topState(n) {
n = this.conditionStack.length - 1 - Math.abs(n || 0);
if (n >= 0) {
return this.conditionStack[n];
} else {
return "INITIAL";
}
},
// alias for begin(condition)
pushState: function pushState(condition) {
this.begin(condition);
},
// return the number of states currently on the stack
stateStackSize: function stateStackSize() {
return this.conditionStack.length;
},
options: {},
performAction: function anonymous(yy, yy_, $avoiding_name_collisions, YY_START) {
var YYSTATE = YY_START;
switch ($avoiding_name_collisions) {
case 0:
break;
case 1:
return 13;
break;
case 2:
return 7;
break;
case 3:
return 8;
break;
case 4:
return 11;
break;
case 5:
return 10;
break;
case 6:
return 5;
break;
}
},
rules: [/^(?:\s+)/, /^(?:"[^\"]*")/, /^(?:[^=,;"\s]+)/, /^(?:=)/, /^(?:,)/, /^(?:;)/, /^(?:$)/],
conditions: { "INITIAL": { "rules": [0, 1, 2, 3, 4, 5, 6], "inclusive": true } }
};
return lexer2;
}();
parser3.lexer = lexer;
function Parser() {
this.yy = {};
}
Parser.prototype = parser3;
parser3.Parser = Parser;
return new Parser();
}();
if (typeof __require !== "undefined" && typeof exports !== "undefined") {
exports.parser = parser2;
exports.Parser = parser2.Parser;
exports.parse = function() {
return parser2.parse.apply(parser2, arguments);
};
}
}
});
// src/index.ts
var import_parser = __toESM(require_parser());
function parseKeyValueString(input) {
try {
return import_parser.parser.parse(input);
} catch (error) {
throw new Error(`Parse error: ${error instanceof Error ? error.message : String(error)}`);
}
}
function toKeyValueString(obj) {
const pairs = [];
for (const [key, value] of Object.entries(obj)) {
if (value === null || value === void 0) {
pairs.push(`${key}=;`);
} else if (Array.isArray(value)) {
const valueStr = value.map((v) => formatValue(v)).join(",");
pairs.push(`${key}=${valueStr};`);
} else {
pairs.push(`${key}=${formatValue(value)};`);
}
}
return pairs.join("");
}
function formatValue(value) {
if (value === null || value === void 0) {
return "";
}
if (typeof value === "number") {
return value.toString();
}
const str = String(value);
if (/[=,;"\s]/.test(str) || str === "") {
return `"${str}"`;
}
return str;
}
export {
parseKeyValueString,
toKeyValueString
};