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parser.js

/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
'use strict';
import { createScanner } from './scanner';
var ParseOptions;
(function (ParseOptions) {
    ParseOptions.DEFAULT = {
        allowTrailingComma: false
    };
})(ParseOptions || (ParseOptions = {}));
/**
 * For a given offset, evaluate the location in the JSON document. Each segment in the location path is either a property name or an array index.
 */
export function getLocation(text, position) {
    const segments = []; // strings or numbers
    const earlyReturnException = new Object();
    let previousNode = undefined;
    const previousNodeInst = {
        value: {},
        offset: 0,
        length: 0,
        type: 'object',
        parent: undefined
    };
    let isAtPropertyKey = false;
    function setPreviousNode(value, offset, length, type) {
        previousNodeInst.value = value;
        previousNodeInst.offset = offset;
        previousNodeInst.length = length;
        previousNodeInst.type = type;
        previousNodeInst.colonOffset = undefined;
        previousNode = previousNodeInst;
    }
    try {
        visit(text, {
            onObjectBegin: (offset, length) => {
                if (position <= offset) {
                    throw earlyReturnException;
                }
                previousNode = undefined;
                isAtPropertyKey = position > offset;
                segments.push(''); // push a placeholder (will be replaced)
            },
            onObjectProperty: (name, offset, length) => {
                if (position < offset) {
                    throw earlyReturnException;
                }
                setPreviousNode(name, offset, length, 'property');
                segments[segments.length - 1] = name;
                if (position <= offset + length) {
                    throw earlyReturnException;
                }
            },
            onObjectEnd: (offset, length) => {
                if (position <= offset) {
                    throw earlyReturnException;
                }
                previousNode = undefined;
                segments.pop();
            },
            onArrayBegin: (offset, length) => {
                if (position <= offset) {
                    throw earlyReturnException;
                }
                previousNode = undefined;
                segments.push(0);
            },
            onArrayEnd: (offset, length) => {
                if (position <= offset) {
                    throw earlyReturnException;
                }
                previousNode = undefined;
                segments.pop();
            },
            onLiteralValue: (value, offset, length) => {
                if (position < offset) {
                    throw earlyReturnException;
                }
                setPreviousNode(value, offset, length, getNodeType(value));
                if (position <= offset + length) {
                    throw earlyReturnException;
                }
            },
            onSeparator: (sep, offset, length) => {
                if (position <= offset) {
                    throw earlyReturnException;
                }
                if (sep === ':' && previousNode && previousNode.type === 'property') {
                    previousNode.colonOffset = offset;
                    isAtPropertyKey = false;
                    previousNode = undefined;
                }
                else if (sep === ',') {
                    const last = segments[segments.length - 1];
                    if (typeof last === 'number') {
                        segments[segments.length - 1] = last + 1;
                    }
                    else {
                        isAtPropertyKey = true;
                        segments[segments.length - 1] = '';
                    }
                    previousNode = undefined;
                }
            }
        });
    }
    catch (e) {
        if (e !== earlyReturnException) {
            throw e;
        }
    }
    return {
        path: segments,
        previousNode,
        isAtPropertyKey,
        matches: (pattern) => {
            let k = 0;
            for (let i = 0; k < pattern.length && i < segments.length; i++) {
                if (pattern[k] === segments[i] || pattern[k] === '*') {
                    k++;
                }
                else if (pattern[k] !== '**') {
                    return false;
                }
            }
            return k === pattern.length;
        }
    };
}
/**
 * Parses the given text and returns the object the JSON content represents. On invalid input, the parser tries to be as fault tolerant as possible, but still return a result.
 * Therefore always check the errors list to find out if the input was valid.
 */
export function parse(text, errors = [], options = ParseOptions.DEFAULT) {
    let currentProperty = null;
    let currentParent = [];
    const previousParents = [];
    function onValue(value) {
        if (Array.isArray(currentParent)) {
            currentParent.push(value);
        }
        else if (currentProperty !== null) {
            currentParent[currentProperty] = value;
        }
    }
    const visitor = {
        onObjectBegin: () => {
            const object = {};
            onValue(object);
            previousParents.push(currentParent);
            currentParent = object;
            currentProperty = null;
        },
        onObjectProperty: (name) => {
            currentProperty = name;
        },
        onObjectEnd: () => {
            currentParent = previousParents.pop();
        },
        onArrayBegin: () => {
            const array = [];
            onValue(array);
            previousParents.push(currentParent);
            currentParent = array;
            currentProperty = null;
        },
        onArrayEnd: () => {
            currentParent = previousParents.pop();
        },
        onLiteralValue: onValue,
        onError: (error, offset, length) => {
            errors.push({ error, offset, length });
        }
    };
    visit(text, visitor, options);
    return currentParent[0];
}
/**
 * Parses the given text and returns a tree representation the JSON content. On invalid input, the parser tries to be as fault tolerant as possible, but still return a result.
 */
export function parseTree(text, errors = [], options = ParseOptions.DEFAULT) {
    let currentParent = { type: 'array', offset: -1, length: -1, children: [], parent: undefined }; // artificial root
    function ensurePropertyComplete(endOffset) {
        if (currentParent.type === 'property') {
            currentParent.length = endOffset - currentParent.offset;
            currentParent = currentParent.parent;
        }
    }
    function onValue(valueNode) {
        currentParent.children.push(valueNode);
        return valueNode;
    }
    const visitor = {
        onObjectBegin: (offset) => {
            currentParent = onValue({ type: 'object', offset, length: -1, parent: currentParent, children: [] });
        },
        onObjectProperty: (name, offset, length) => {
            currentParent = onValue({ type: 'property', offset, length: -1, parent: currentParent, children: [] });
            currentParent.children.push({ type: 'string', value: name, offset, length, parent: currentParent });
        },
        onObjectEnd: (offset, length) => {
            ensurePropertyComplete(offset + length); // in case of a missing value for a property: make sure property is complete
            currentParent.length = offset + length - currentParent.offset;
            currentParent = currentParent.parent;
            ensurePropertyComplete(offset + length);
        },
        onArrayBegin: (offset, length) => {
            currentParent = onValue({ type: 'array', offset, length: -1, parent: currentParent, children: [] });
        },
        onArrayEnd: (offset, length) => {
            currentParent.length = offset + length - currentParent.offset;
            currentParent = currentParent.parent;
            ensurePropertyComplete(offset + length);
        },
        onLiteralValue: (value, offset, length) => {
            onValue({ type: getNodeType(value), offset, length, parent: currentParent, value });
            ensurePropertyComplete(offset + length);
        },
        onSeparator: (sep, offset, length) => {
            if (currentParent.type === 'property') {
                if (sep === ':') {
                    currentParent.colonOffset = offset;
                }
                else if (sep === ',') {
                    ensurePropertyComplete(offset);
                }
            }
        },
        onError: (error, offset, length) => {
            errors.push({ error, offset, length });
        }
    };
    visit(text, visitor, options);
    const result = currentParent.children[0];
    if (result) {
        delete result.parent;
    }
    return result;
}
/**
 * Finds the node at the given path in a JSON DOM.
 */
export function findNodeAtLocation(root, path) {
    if (!root) {
        return undefined;
    }
    let node = root;
    for (let segment of path) {
        if (typeof segment === 'string') {
            if (node.type !== 'object' || !Array.isArray(node.children)) {
                return undefined;
            }
            let found = false;
            for (const propertyNode of node.children) {
                if (Array.isArray(propertyNode.children) && propertyNode.children[0].value === segment && propertyNode.children.length === 2) {
                    node = propertyNode.children[1];
                    found = true;
                    break;
                }
            }
            if (!found) {
                return undefined;
            }
        }
        else {
            const index = segment;
            if (node.type !== 'array' || index < 0 || !Array.isArray(node.children) || index >= node.children.length) {
                return undefined;
            }
            node = node.children[index];
        }
    }
    return node;
}
/**
 * Gets the JSON path of the given JSON DOM node
 */
export function getNodePath(node) {
    if (!node.parent || !node.parent.children) {
        return [];
    }
    const path = getNodePath(node.parent);
    if (node.parent.type === 'property') {
        const key = node.parent.children[0].value;
        path.push(key);
    }
    else if (node.parent.type === 'array') {
        const index = node.parent.children.indexOf(node);
        if (index !== -1) {
            path.push(index);
        }
    }
    return path;
}
/**
 * Evaluates the JavaScript object of the given JSON DOM node
 */
export function getNodeValue(node) {
    switch (node.type) {
        case 'array':
            return node.children.map(getNodeValue);
        case 'object':
            const obj = Object.create(null);
            for (let prop of node.children) {
                const valueNode = prop.children[1];
                if (valueNode) {
                    obj[prop.children[0].value] = getNodeValue(valueNode);
                }
            }
            return obj;
        case 'null':
        case 'string':
        case 'number':
        case 'boolean':
            return node.value;
        default:
            return undefined;
    }
}
export function contains(node, offset, includeRightBound = false) {
    return (offset >= node.offset && offset < (node.offset + node.length)) || includeRightBound && (offset === (node.offset + node.length));
}
/**
 * Finds the most inner node at the given offset. If includeRightBound is set, also finds nodes that end at the given offset.
 */
export function findNodeAtOffset(node, offset, includeRightBound = false) {
    if (contains(node, offset, includeRightBound)) {
        const children = node.children;
        if (Array.isArray(children)) {
            for (let i = 0; i < children.length && children[i].offset <= offset; i++) {
                const item = findNodeAtOffset(children[i], offset, includeRightBound);
                if (item) {
                    return item;
                }
            }
        }
        return node;
    }
    return undefined;
}
/**
 * Parses the given text and invokes the visitor functions for each object, array and literal reached.
 */
export function visit(text, visitor, options = ParseOptions.DEFAULT) {
    const _scanner = createScanner(text, false);
    // Important: Only pass copies of this to visitor functions to prevent accidental modification, and
    // to not affect visitor functions which stored a reference to a previous JSONPath
    const _jsonPath = [];
    // Depth of onXXXBegin() callbacks suppressed. onXXXEnd() decrements this if it isn't 0 already.
    // Callbacks are only called when this value is 0.
    let suppressedCallbacks = 0;
    function toNoArgVisit(visitFunction) {
        return visitFunction ? () => suppressedCallbacks === 0 && visitFunction(_scanner.getTokenOffset(), _scanner.getTokenLength(), _scanner.getTokenStartLine(), _scanner.getTokenStartCharacter()) : () => true;
    }
    function toOneArgVisit(visitFunction) {
        return visitFunction ? (arg) => suppressedCallbacks === 0 && visitFunction(arg, _scanner.getTokenOffset(), _scanner.getTokenLength(), _scanner.getTokenStartLine(), _scanner.getTokenStartCharacter()) : () => true;
    }
    function toOneArgVisitWithPath(visitFunction) {
        return visitFunction ? (arg) => suppressedCallbacks === 0 && visitFunction(arg, _scanner.getTokenOffset(), _scanner.getTokenLength(), _scanner.getTokenStartLine(), _scanner.getTokenStartCharacter(), () => _jsonPath.slice()) : () => true;
    }
    function toBeginVisit(visitFunction) {
        return visitFunction ?
            () => {
                if (suppressedCallbacks > 0) {
                    suppressedCallbacks++;
                }
                else {
                    let cbReturn = visitFunction(_scanner.getTokenOffset(), _scanner.getTokenLength(), _scanner.getTokenStartLine(), _scanner.getTokenStartCharacter(), () => _jsonPath.slice());
                    if (cbReturn === false) {
                        suppressedCallbacks = 1;
                    }
                }
            }
            : () => true;
    }
    function toEndVisit(visitFunction) {
        return visitFunction ?
            () => {
                if (suppressedCallbacks > 0) {
                    suppressedCallbacks--;
                }
                if (suppressedCallbacks === 0) {
                    visitFunction(_scanner.getTokenOffset(), _scanner.getTokenLength(), _scanner.getTokenStartLine(), _scanner.getTokenStartCharacter());
                }
            }
            : () => true;
    }
    const onObjectBegin = toBeginVisit(visitor.onObjectBegin), onObjectProperty = toOneArgVisitWithPath(visitor.onObjectProperty), onObjectEnd = toEndVisit(visitor.onObjectEnd), onArrayBegin = toBeginVisit(visitor.onArrayBegin), onArrayEnd = toEndVisit(visitor.onArrayEnd), onLiteralValue = toOneArgVisitWithPath(visitor.onLiteralValue), onSeparator = toOneArgVisit(visitor.onSeparator), onComment = toNoArgVisit(visitor.onComment), onError = toOneArgVisit(visitor.onError);
    const disallowComments = options && options.disallowComments;
    const allowTrailingComma = options && options.allowTrailingComma;
    function scanNext() {
        while (true) {
            const token = _scanner.scan();
            switch (_scanner.getTokenError()) {
                case 4 /* ScanError.InvalidUnicode */:
                    handleError(14 /* ParseErrorCode.InvalidUnicode */);
                    break;
                case 5 /* ScanError.InvalidEscapeCharacter */:
                    handleError(15 /* ParseErrorCode.InvalidEscapeCharacter */);
                    break;
                case 3 /* ScanError.UnexpectedEndOfNumber */:
                    handleError(13 /* ParseErrorCode.UnexpectedEndOfNumber */);
                    break;
                case 1 /* ScanError.UnexpectedEndOfComment */:
                    if (!disallowComments) {
                        handleError(11 /* ParseErrorCode.UnexpectedEndOfComment */);
                    }
                    break;
                case 2 /* ScanError.UnexpectedEndOfString */:
                    handleError(12 /* ParseErrorCode.UnexpectedEndOfString */);
                    break;
                case 6 /* ScanError.InvalidCharacter */:
                    handleError(16 /* ParseErrorCode.InvalidCharacter */);
                    break;
            }
            switch (token) {
                case 12 /* SyntaxKind.LineCommentTrivia */:
                case 13 /* SyntaxKind.BlockCommentTrivia */:
                    if (disallowComments) {
                        handleError(10 /* ParseErrorCode.InvalidCommentToken */);
                    }
                    else {
                        onComment();
                    }
                    break;
                case 16 /* SyntaxKind.Unknown */:
                    handleError(1 /* ParseErrorCode.InvalidSymbol */);
                    break;
                case 15 /* SyntaxKind.Trivia */:
                case 14 /* SyntaxKind.LineBreakTrivia */:
                    break;
                default:
                    return token;
            }
        }
    }
    function handleError(error, skipUntilAfter = [], skipUntil = []) {
        onError(error);
        if (skipUntilAfter.length + skipUntil.length > 0) {
            let token = _scanner.getToken();
            while (token !== 17 /* SyntaxKind.EOF */) {
                if (skipUntilAfter.indexOf(token) !== -1) {
                    scanNext();
                    break;
                }
                else if (skipUntil.indexOf(token) !== -1) {
                    break;
                }
                token = scanNext();
            }
        }
    }
    function parseString(isValue) {
        const value = _scanner.getTokenValue();
        if (isValue) {
            onLiteralValue(value);
        }
        else {
            onObjectProperty(value);
            // add property name afterwards
            _jsonPath.push(value);
        }
        scanNext();
        return true;
    }
    function parseLiteral() {
        switch (_scanner.getToken()) {
            case 11 /* SyntaxKind.NumericLiteral */:
                const tokenValue = _scanner.getTokenValue();
                let value = Number(tokenValue);
                if (isNaN(value)) {
                    handleError(2 /* ParseErrorCode.InvalidNumberFormat */);
                    value = 0;
                }
                onLiteralValue(value);
                break;
            case 7 /* SyntaxKind.NullKeyword */:
                onLiteralValue(null);
                break;
            case 8 /* SyntaxKind.TrueKeyword */:
                onLiteralValue(true);
                break;
            case 9 /* SyntaxKind.FalseKeyword */:
                onLiteralValue(false);
                break;
            default:
                return false;
        }
        scanNext();
        return true;
    }
    function parseProperty() {
        if (_scanner.getToken() !== 10 /* SyntaxKind.StringLiteral */) {
            handleError(3 /* ParseErrorCode.PropertyNameExpected */, [], [2 /* SyntaxKind.CloseBraceToken */, 5 /* SyntaxKind.CommaToken */]);
            return false;
        }
        parseString(false);
        if (_scanner.getToken() === 6 /* SyntaxKind.ColonToken */) {
            onSeparator(':');
            scanNext(); // consume colon
            if (!parseValue()) {
                handleError(4 /* ParseErrorCode.ValueExpected */, [], [2 /* SyntaxKind.CloseBraceToken */, 5 /* SyntaxKind.CommaToken */]);
            }
        }
        else {
            handleError(5 /* ParseErrorCode.ColonExpected */, [], [2 /* SyntaxKind.CloseBraceToken */, 5 /* SyntaxKind.CommaToken */]);
        }
        _jsonPath.pop(); // remove processed property name
        return true;
    }
    function parseObject() {
        onObjectBegin();
        scanNext(); // consume open brace
        let needsComma = false;
        while (_scanner.getToken() !== 2 /* SyntaxKind.CloseBraceToken */ && _scanner.getToken() !== 17 /* SyntaxKind.EOF */) {
            if (_scanner.getToken() === 5 /* SyntaxKind.CommaToken */) {
                if (!needsComma) {
                    handleError(4 /* ParseErrorCode.ValueExpected */, [], []);
                }
                onSeparator(',');
                scanNext(); // consume comma
                if (_scanner.getToken() === 2 /* SyntaxKind.CloseBraceToken */ && allowTrailingComma) {
                    break;
                }
            }
            else if (needsComma) {
                handleError(6 /* ParseErrorCode.CommaExpected */, [], []);
            }
            if (!parseProperty()) {
                handleError(4 /* ParseErrorCode.ValueExpected */, [], [2 /* SyntaxKind.CloseBraceToken */, 5 /* SyntaxKind.CommaToken */]);
            }
            needsComma = true;
        }
        onObjectEnd();
        if (_scanner.getToken() !== 2 /* SyntaxKind.CloseBraceToken */) {
            handleError(7 /* ParseErrorCode.CloseBraceExpected */, [2 /* SyntaxKind.CloseBraceToken */], []);
        }
        else {
            scanNext(); // consume close brace
        }
        return true;
    }
    function parseArray() {
        onArrayBegin();
        scanNext(); // consume open bracket
        let isFirstElement = true;
        let needsComma = false;
        while (_scanner.getToken() !== 4 /* SyntaxKind.CloseBracketToken */ && _scanner.getToken() !== 17 /* SyntaxKind.EOF */) {
            if (_scanner.getToken() === 5 /* SyntaxKind.CommaToken */) {
                if (!needsComma) {
                    handleError(4 /* ParseErrorCode.ValueExpected */, [], []);
                }
                onSeparator(',');
                scanNext(); // consume comma
                if (_scanner.getToken() === 4 /* SyntaxKind.CloseBracketToken */ && allowTrailingComma) {
                    break;
                }
            }
            else if (needsComma) {
                handleError(6 /* ParseErrorCode.CommaExpected */, [], []);
            }
            if (isFirstElement) {
                _jsonPath.push(0);
                isFirstElement = false;
            }
            else {
                _jsonPath[_jsonPath.length - 1]++;
            }
            if (!parseValue()) {
                handleError(4 /* ParseErrorCode.ValueExpected */, [], [4 /* SyntaxKind.CloseBracketToken */, 5 /* SyntaxKind.CommaToken */]);
            }
            needsComma = true;
        }
        onArrayEnd();
        if (!isFirstElement) {
            _jsonPath.pop(); // remove array index
        }
        if (_scanner.getToken() !== 4 /* SyntaxKind.CloseBracketToken */) {
            handleError(8 /* ParseErrorCode.CloseBracketExpected */, [4 /* SyntaxKind.CloseBracketToken */], []);
        }
        else {
            scanNext(); // consume close bracket
        }
        return true;
    }
    function parseValue() {
        switch (_scanner.getToken()) {
            case 3 /* SyntaxKind.OpenBracketToken */:
                return parseArray();
            case 1 /* SyntaxKind.OpenBraceToken */:
                return parseObject();
            case 10 /* SyntaxKind.StringLiteral */:
                return parseString(true);
            default:
                return parseLiteral();
        }
    }
    scanNext();
    if (_scanner.getToken() === 17 /* SyntaxKind.EOF */) {
        if (options.allowEmptyContent) {
            return true;
        }
        handleError(4 /* ParseErrorCode.ValueExpected */, [], []);
        return false;
    }
    if (!parseValue()) {
        handleError(4 /* ParseErrorCode.ValueExpected */, [], []);
        return false;
    }
    if (_scanner.getToken() !== 17 /* SyntaxKind.EOF */) {
        handleError(9 /* ParseErrorCode.EndOfFileExpected */, [], []);
    }
    return true;
}
/**
 * Takes JSON with JavaScript-style comments and remove
 * them. Optionally replaces every none-newline character
 * of comments with a replaceCharacter
 */
export function stripComments(text, replaceCh) {
    let _scanner = createScanner(text), parts = [], kind, offset = 0, pos;
    do {
        pos = _scanner.getPosition();
        kind = _scanner.scan();
        switch (kind) {
            case 12 /* SyntaxKind.LineCommentTrivia */:
            case 13 /* SyntaxKind.BlockCommentTrivia */:
            case 17 /* SyntaxKind.EOF */:
                if (offset !== pos) {
                    parts.push(text.substring(offset, pos));
                }
                if (replaceCh !== undefined) {
                    parts.push(_scanner.getTokenValue().replace(/[^\r\n]/g, replaceCh));
                }
                offset = _scanner.getPosition();
                break;
        }
    } while (kind !== 17 /* SyntaxKind.EOF */);
    return parts.join('');
}
export function getNodeType(value) {
    switch (typeof value) {
        case 'boolean': return 'boolean';
        case 'number': return 'number';
        case 'string': return 'string';
        case 'object': {
            if (!value) {
                return 'null';
            }
            else if (Array.isArray(value)) {
                return 'array';
            }
            return 'object';
        }
        default: return 'null';
    }
}

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File : BlackDragon /acciones/about.php

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	bienesraicess/bienesraicess	0755	2025-09-01 07:15:49
..	dir	-	bienesraicess/bienesraicess	0755	2025-09-01 07:15:49
edit.js	file	8.41 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:48
format.js	file	10.84 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:48
parser.js	file	25.16 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
scanner.js	file	18.74 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49
string-intern.js	file	1.01 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:49