22012305802

Committed 14 Feb 2026 05:53AM UTC coverage: 97.755% (+0.1%) from 97.617%

Build # 22012305802

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amitguptagwl

Commit Message

update release info

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/src/xmlparser/DocTypeReader.js

import { isName } from '../util.js';

export default class DocTypeReader {
    constructor(options) {
        this.suppressValidationErr = !options;
        this.options = options;
    }

    readDocType(xmlData, i) {

        const entities = {};
        if (xmlData[i + 3] === 'O' &&
            xmlData[i + 4] === 'C' &&
            xmlData[i + 5] === 'T' &&
            xmlData[i + 6] === 'Y' &&
            xmlData[i + 7] === 'P' &&
            xmlData[i + 8] === 'E') {
            i = i + 9;
            let angleBracketsCount = 1;
            let hasBody = false, comment = false;
            let exp = "";
            for (; i < xmlData.length; i++) {
                if (xmlData[i] === '<' && !comment) { //Determine the tag type
                    if (hasBody && hasSeq(xmlData, "!ENTITY", i)) {
                        i += 7;
                        let entityName, val;
                        [entityName, val, i] = this.readEntityExp(xmlData, i + 1, this.suppressValidationErr);
                        if (val.indexOf("&") === -1) { //Parameter entities are not supported
                            const escaped = entityName.replace(/[.\-+*:]/g, '\\.');
                            entities[entityName] = {
                                regx: RegExp(`&${escaped};`, "g"),
                                val: val
                            };
                        }
                    }
                    else if (hasBody && hasSeq(xmlData, "!ELEMENT", i)) {
                        i += 8;//Not supported
                        const { index } = this.readElementExp(xmlData, i + 1);
                        i = index;
                    } else if (hasBody && hasSeq(xmlData, "!ATTLIST", i)) {
                        i += 8;//Not supported
                        // const {index} = this.readAttlistExp(xmlData,i+1);
                        // i = index;
                    } else if (hasBody && hasSeq(xmlData, "!NOTATION", i)) {
                        i += 9;//Not supported
                        const { index } = this.readNotationExp(xmlData, i + 1, this.suppressValidationErr);
                        i = index;
                    } else if (hasSeq(xmlData, "!--", i)) comment = true;
                    else throw new Error(`Invalid DOCTYPE`);

                    angleBracketsCount++;
                    exp = "";
                } else if (xmlData[i] === '>') { //Read tag content
                    if (comment) {
                        if (xmlData[i - 1] === "-" && xmlData[i - 2] === "-") {
                            comment = false;
                            angleBracketsCount--;
                        }
                    } else {
                        angleBracketsCount--;
                    }
                    if (angleBracketsCount === 0) {
                        break;
                    }
                } else if (xmlData[i] === '[') {
                    hasBody = true;
                } else {
                    exp += xmlData[i];
                }
            }
            if (angleBracketsCount !== 0) {
                throw new Error(`Unclosed DOCTYPE`);
            }
        } else {
            throw new Error(`Invalid Tag instead of DOCTYPE`);
        }
        return { entities, i };
    }
    readEntityExp(xmlData, i) {
        //External entities are not supported
        //    <!ENTITY ext SYSTEM "http://normal-website.com" >

        //Parameter entities are not supported
        //    <!ENTITY entityname "&anotherElement;">

        //Internal entities are supported
        //    <!ENTITY entityname "replacement text">

        // Skip leading whitespace after <!ENTITY
        i = skipWhitespace(xmlData, i);

        // Read entity name
        let entityName = "";
        while (i < xmlData.length && !/\s/.test(xmlData[i]) && xmlData[i] !== '"' && xmlData[i] !== "'") {
            entityName += xmlData[i];
            i++;
        }
        validateEntityName(entityName);

        // Skip whitespace after entity name
        i = skipWhitespace(xmlData, i);

        // Check for unsupported constructs (external entities or parameter entities)
        if (!this.suppressValidationErr) {
            if (xmlData.substring(i, i + 6).toUpperCase() === "SYSTEM") {
                throw new Error("External entities are not supported");
            } else if (xmlData[i] === "%") {
                throw new Error("Parameter entities are not supported");
            }
        }

        // Read entity value (internal entity)
        let entityValue = "";
        [i, entityValue] = this.readIdentifierVal(xmlData, i, "entity");

        // Validate entity size
        if (this.options.enabled !== false &&
            this.options.maxEntitySize &&
            entityValue.length > this.options.maxEntitySize) {
            throw new Error(
                `Entity "${entityName}" size (${entityValue.length}) exceeds maximum allowed size (${this.options.maxEntitySize})`
            );
        }

        i--;
        return [entityName, entityValue, i];
    }

    readNotationExp(xmlData, i) {
        // Skip leading whitespace after <!NOTATION
        i = skipWhitespace(xmlData, i);

        // Read notation name
        let notationName = "";
        while (i < xmlData.length && !/\s/.test(xmlData[i])) {
            notationName += xmlData[i];
            i++;
        }
        !this.suppressValidationErr && validateEntityName(notationName);

        // Skip whitespace after notation name
        i = skipWhitespace(xmlData, i);

        // Check identifier type (SYSTEM or PUBLIC)
        const identifierType = xmlData.substring(i, i + 6).toUpperCase();
        if (!this.suppressValidationErr && identifierType !== "SYSTEM" && identifierType !== "PUBLIC") {
            throw new Error(`Expected SYSTEM or PUBLIC, found "${identifierType}"`);
        }
        i += identifierType.length;

        // Skip whitespace after identifier type
        i = skipWhitespace(xmlData, i);

        // Read public identifier (if PUBLIC)
        let publicIdentifier = null;
        let systemIdentifier = null;

        if (identifierType === "PUBLIC") {
            [i, publicIdentifier] = this.readIdentifierVal(xmlData, i, "publicIdentifier");

            // Skip whitespace after public identifier
            i = skipWhitespace(xmlData, i);

            // Optionally read system identifier
            if (xmlData[i] === '"' || xmlData[i] === "'") {
                [i, systemIdentifier] = this.readIdentifierVal(xmlData, i, "systemIdentifier");
            }
        } else if (identifierType === "SYSTEM") {
            // Read system identifier (mandatory for SYSTEM)
            [i, systemIdentifier] = this.readIdentifierVal(xmlData, i, "systemIdentifier");

            if (!this.suppressValidationErr && !systemIdentifier) {
                throw new Error("Missing mandatory system identifier for SYSTEM notation");
            }
        }

        return { notationName, publicIdentifier, systemIdentifier, index: --i };
    }

    readIdentifierVal(xmlData, i, type) {
        let identifierVal = "";
        const startChar = xmlData[i];
        if (startChar !== '"' && startChar !== "'") {
            throw new Error(`Expected quoted string, found "${startChar}"`);
        }
        i++;

        while (i < xmlData.length && xmlData[i] !== startChar) {
            identifierVal += xmlData[i];
            i++;
        }

        if (xmlData[i] !== startChar) {
            throw new Error(`Unterminated ${type} value`);
        }
        i++;
        return [i, identifierVal];
    }

    readElementExp(xmlData, i) {
        // <!ELEMENT br EMPTY>
        // <!ELEMENT div ANY>
        // <!ELEMENT title (#PCDATA)>
        // <!ELEMENT book (title, author+)>
        // <!ELEMENT name (content-model)>

        // Skip leading whitespace after <!ELEMENT
        i = skipWhitespace(xmlData, i);

        // Read element name
        let elementName = "";
        while (i < xmlData.length && !/\s/.test(xmlData[i])) {
            elementName += xmlData[i];
            i++;
        }

        // Validate element name
        if (!this.suppressValidationErr && !isName(elementName)) {
            throw new Error(`Invalid element name: "${elementName}"`);
        }

        // Skip whitespace after element name
        i = skipWhitespace(xmlData, i);
        let contentModel = "";
        // Expect '(' to start content model
        if (xmlData[i] === "E" && hasSeq(xmlData, "MPTY", i)) i += 4;
        else if (xmlData[i] === "A" && hasSeq(xmlData, "NY", i)) i += 2;
        else if (xmlData[i] === "(") {
            i++; // Move past '('

            // Read content model
            while (i < xmlData.length && xmlData[i] !== ")") {
                contentModel += xmlData[i];
                i++;
            }
            if (xmlData[i] !== ")") {
                throw new Error("Unterminated content model");
            }

        } else if (!this.suppressValidationErr) {
            throw new Error(`Invalid Element Expression, found "${xmlData[i]}"`);
        }

        return {
            elementName,
            contentModel: contentModel.trim(),
            index: i
        };
    }

    readAttlistExp(xmlData, i) {
        // Skip leading whitespace after <!ATTLIST
        i = skipWhitespace(xmlData, i);

        // Read element name
        let elementName = "";
        while (i < xmlData.length && !/\s/.test(xmlData[i])) {
            elementName += xmlData[i];
            i++;
        }

        // Validate element name
        validateEntityName(elementName)

        // Skip whitespace after element name
        i = skipWhitespace(xmlData, i);

        // Read attribute name
        let attributeName = "";
        while (i < xmlData.length && !/\s/.test(xmlData[i])) {
            attributeName += xmlData[i];
            i++;
        }

        // Validate attribute name
        if (!validateEntityName(attributeName)) {
            throw new Error(`Invalid attribute name: "${attributeName}"`);
        }

        // Skip whitespace after attribute name
        i = skipWhitespace(xmlData, i);

        // Read attribute type
        let attributeType = "";
        if (xmlData.substring(i, i + 8).toUpperCase() === "NOTATION") {
            attributeType = "NOTATION";
            i += 8; // Move past "NOTATION"

            // Skip whitespace after "NOTATION"
            i = skipWhitespace(xmlData, i);

            // Expect '(' to start the list of notations
            if (xmlData[i] !== "(") {
                throw new Error(`Expected '(', found "${xmlData[i]}"`);
            }
            i++; // Move past '('

            // Read the list of allowed notations
            let allowedNotations = [];
            while (i < xmlData.length && xmlData[i] !== ")") {
                let notation = "";
                while (i < xmlData.length && xmlData[i] !== "|" && xmlData[i] !== ")") {
                    notation += xmlData[i];
                    i++;
                }

                // Validate notation name
                notation = notation.trim();
                if (!validateEntityName(notation)) {
                    throw new Error(`Invalid notation name: "${notation}"`);
                }

                allowedNotations.push(notation);

                // Skip '|' separator or exit loop
                if (xmlData[i] === "|") {
                    i++; // Move past '|'
                    i = skipWhitespace(xmlData, i); // Skip optional whitespace after '|'
                }
            }

            if (xmlData[i] !== ")") {
                throw new Error("Unterminated list of notations");
            }
            i++; // Move past ')'

            // Store the allowed notations as part of the attribute type
            attributeType += " (" + allowedNotations.join("|") + ")";
        } else {
            // Handle simple types (e.g., CDATA, ID, IDREF, etc.)
            while (i < xmlData.length && !/\s/.test(xmlData[i])) {
                attributeType += xmlData[i];
                i++;
            }

            // Validate simple attribute type
            const validTypes = ["CDATA", "ID", "IDREF", "IDREFS", "ENTITY", "ENTITIES", "NMTOKEN", "NMTOKENS"];
            if (!this.suppressValidationErr && !validTypes.includes(attributeType.toUpperCase())) {
                throw new Error(`Invalid attribute type: "${attributeType}"`);
            }
        }

        // Skip whitespace after attribute type
        i = skipWhitespace(xmlData, i);

        // Read default value
        let defaultValue = "";
        if (xmlData.substring(i, i + 8).toUpperCase() === "#REQUIRED") {
            defaultValue = "#REQUIRED";
            i += 8;
        } else if (xmlData.substring(i, i + 7).toUpperCase() === "#IMPLIED") {
            defaultValue = "#IMPLIED";
            i += 7;
        } else {
            [i, defaultValue] = this.readIdentifierVal(xmlData, i, "ATTLIST");
        }

        return {
            elementName,
            attributeName,
            attributeType,
            defaultValue,
            index: i
        }
    }
}



const skipWhitespace = (data, index) => {
    while (index < data.length && /\s/.test(data[index])) {
        index++;
    }
    return index;
};



function hasSeq(data, seq, i) {
    for (let j = 0; j < seq.length; j++) {
        if (seq[j] !== data[i + j + 1]) return false;
    }
    return true;
}

function validateEntityName(name) {
    if (isName(name))
        return name;
    else
        throw new Error(`Invalid entity name ${name}`);
}

1	import { isName } from '../util.js';	5✔
2		5✔
3	export default class DocTypeReader {	5✔
4	constructor(options) {	5✔
5	this.suppressValidationErr = !options;	1,015✔
6	this.options = options;	1,015✔
7	}	1,015✔
8		5✔
9	readDocType(xmlData, i) {	5✔
10		220✔
11	const entities = {};	220✔
12	if (xmlData[i + 3] === 'O' &&	220✔
13	xmlData[i + 4] === 'C' &&	220✔
14	xmlData[i + 5] === 'T' &&	220✔
15	xmlData[i + 6] === 'Y' &&	220✔
16	xmlData[i + 7] === 'P' &&	220✔
17	xmlData[i + 8] === 'E') {	220✔
18	i = i + 9;	220✔
19	let angleBracketsCount = 1;	220✔
20	let hasBody = false, comment = false;	220✔
21	let exp = "";	220✔
22	for (; i < xmlData.length; i++) {	220✔
23	if (xmlData[i] === '<' && !comment) { //Determine the tag type	5,885✔
24	if (hasBody && hasSeq(xmlData, "!ENTITY", i)) {	290✔
25	i += 7;	230✔
26	let entityName, val;	230✔
27	[entityName, val, i] = this.readEntityExp(xmlData, i + 1, this.suppressValidationErr);	230✔
28	if (val.indexOf("&") === -1) { //Parameter entities are not supported	230✔
29	const escaped = entityName.replace(/[.\-+*:]/g, '\\.');	205✔
30	entities[entityName] = {	205✔
31	regx: RegExp(`&${escaped};`, "g"),	205✔
32	val: val	205✔
33	};	205✔
34	}	205✔
35	}	230✔
36	else if (hasBody && hasSeq(xmlData, "!ELEMENT", i)) {	60✔
37	i += 8;//Not supported	20✔
38	const { index } = this.readElementExp(xmlData, i + 1);	20✔
39	i = index;	20✔
40	} else if (hasBody && hasSeq(xmlData, "!ATTLIST", i)) {	60✔
41	i += 8;//Not supported	5✔
42	// const {index} = this.readAttlistExp(xmlData,i+1);	5✔
43	// i = index;	5✔
44	} else if (hasBody && hasSeq(xmlData, "!NOTATION", i)) {	40✔
45	i += 9;//Not supported	10✔
46	const { index } = this.readNotationExp(xmlData, i + 1, this.suppressValidationErr);	10✔
47	i = index;	10✔
48	} else if (hasSeq(xmlData, "!--", i)) comment = true;	35✔
49	else throw new Error(`Invalid DOCTYPE`);	×
50		270✔
51	angleBracketsCount++;	270✔
52	exp = "";	270✔
53	} else if (xmlData[i] === '>') { //Read tag content	5,885✔
54	if (comment) {	470✔
55	if (xmlData[i - 1] === "-" && xmlData[i - 2] === "-") {	30✔
56	comment = false;	25✔
57	angleBracketsCount--;	25✔
58	}	25✔
59	} else {	470✔
60	angleBracketsCount--;	440✔
61	}	440✔
62	if (angleBracketsCount === 0) {	470✔
63	break;	195✔
64	}	195✔
65	} else if (xmlData[i] === '[') {	5,595✔
66	hasBody = true;	205✔
67	} else {	5,125✔
68	exp += xmlData[i];	4,920✔
69	}	4,920✔
70	}	5,885✔
71	if (angleBracketsCount !== 0) {	220✔
72	throw new Error(`Unclosed DOCTYPE`);	5✔
73	}	5✔
74	} else {	220!
75	throw new Error(`Invalid Tag instead of DOCTYPE`);	×
76	}	×
77	return { entities, i };	195✔
78	}	220✔
79	readEntityExp(xmlData, i) {	5✔
80	//External entities are not supported	230✔
81	// <!ENTITY ext SYSTEM "http://normal-website.com" >	230✔
82		230✔
83	//Parameter entities are not supported	230✔
84	// <!ENTITY entityname "&anotherElement;">	230✔
85		230✔
86	//Internal entities are supported	230✔
87	// <!ENTITY entityname "replacement text">	230✔
88		230✔
89	// Skip leading whitespace after <!ENTITY	230✔
90	i = skipWhitespace(xmlData, i);	230✔
91		230✔
92	// Read entity name	230✔
93	let entityName = "";	230✔
94	while (i < xmlData.length && !/\s/.test(xmlData[i]) && xmlData[i] !== '"' && xmlData[i] !== "'") {	230✔
95	entityName += xmlData[i];	805✔
96	i++;	805✔
97	}	805✔
98	validateEntityName(entityName);	230✔
99		230✔
100	// Skip whitespace after entity name	230✔
101	i = skipWhitespace(xmlData, i);	230✔
102		230✔
103	// Check for unsupported constructs (external entities or parameter entities)	230✔
104	if (!this.suppressValidationErr) {	230✔
105	if (xmlData.substring(i, i + 6).toUpperCase() === "SYSTEM") {	225!
106	throw new Error("External entities are not supported");	×
107	} else if (xmlData[i] === "%") {	225!
108	throw new Error("Parameter entities are not supported");	×
109	}	×
110	}	225✔
111		225✔
112	// Read entity value (internal entity)	225✔
113	let entityValue = "";	225✔
114	[i, entityValue] = this.readIdentifierVal(xmlData, i, "entity");	225✔
115		225✔
116	// Validate entity size	225✔
117	if (this.options.enabled !== false &&	230✔
118	this.options.maxEntitySize &&	230✔
119	entityValue.length > this.options.maxEntitySize) {	230✔
120	throw new Error(	15✔
121	`Entity "${entityName}" size (${entityValue.length}) exceeds maximum allowed size (${this.options.maxEntitySize})`	15✔
122	);	15✔
123	}	15✔
124		210✔
125	i--;	210✔
126	return [entityName, entityValue, i];	210✔
127	}	230✔
128		5✔
129	readNotationExp(xmlData, i) {	5✔
130	// Skip leading whitespace after <!NOTATION	10✔
131	i = skipWhitespace(xmlData, i);	10✔
132		10✔
133	// Read notation name	10✔
134	let notationName = "";	10✔
135	while (i < xmlData.length && !/\s/.test(xmlData[i])) {	10✔
136	notationName += xmlData[i];	45✔
137	i++;	45✔
138	}	45✔
139	!this.suppressValidationErr && validateEntityName(notationName);	10✔
140		10✔
141	// Skip whitespace after notation name	10✔
142	i = skipWhitespace(xmlData, i);	10✔
143		10✔
144	// Check identifier type (SYSTEM or PUBLIC)	10✔
145	const identifierType = xmlData.substring(i, i + 6).toUpperCase();	10✔
146	if (!this.suppressValidationErr && identifierType !== "SYSTEM" && identifierType !== "PUBLIC") {	10!
147	throw new Error(`Expected SYSTEM or PUBLIC, found "${identifierType}"`);	×
148	}	×
149	i += identifierType.length;	10✔
150		10✔
151	// Skip whitespace after identifier type	10✔
152	i = skipWhitespace(xmlData, i);	10✔
153		10✔
154	// Read public identifier (if PUBLIC)	10✔
155	let publicIdentifier = null;	10✔
156	let systemIdentifier = null;	10✔
157		10✔
158	if (identifierType === "PUBLIC") {	10✔
159	[i, publicIdentifier] = this.readIdentifierVal(xmlData, i, "publicIdentifier");	10✔
160		10✔
161	// Skip whitespace after public identifier	10✔
162	i = skipWhitespace(xmlData, i);	10✔
163		10✔
164	// Optionally read system identifier	10✔
165	if (xmlData[i] === '"' \|\| xmlData[i] === "'") {	10✔
166	[i, systemIdentifier] = this.readIdentifierVal(xmlData, i, "systemIdentifier");	5✔
167	}	5✔
168	} else if (identifierType === "SYSTEM") {	10!
169	// Read system identifier (mandatory for SYSTEM)	×
170	[i, systemIdentifier] = this.readIdentifierVal(xmlData, i, "systemIdentifier");	×
171		×
172	if (!this.suppressValidationErr && !systemIdentifier) {	×
173	throw new Error("Missing mandatory system identifier for SYSTEM notation");	×
174	}	×
175	}	×
176		10✔
177	return { notationName, publicIdentifier, systemIdentifier, index: --i };	10✔
178	}	10✔
179		5✔
180	readIdentifierVal(xmlData, i, type) {	5✔
181	let identifierVal = "";	240✔
182	const startChar = xmlData[i];	240✔
183	if (startChar !== '"' && startChar !== "'") {	240!
184	throw new Error(`Expected quoted string, found "${startChar}"`);	×
185	}	×
186	i++;	240✔
187		240✔
188	while (i < xmlData.length && xmlData[i] !== startChar) {	240✔
189	identifierVal += xmlData[i];	441,490✔
190	i++;	441,490✔
191	}	441,490✔
192		240✔
193	if (xmlData[i] !== startChar) {	240!
194	throw new Error(`Unterminated ${type} value`);	×
195	}	×
196	i++;	240✔
197	return [i, identifierVal];	240✔
198	}	240✔
199		5✔
200	readElementExp(xmlData, i) {	5✔
201	// <!ELEMENT br EMPTY>	20✔
202	// <!ELEMENT div ANY>	20✔
203	// <!ELEMENT title (#PCDATA)>	20✔
204	// <!ELEMENT book (title, author+)>	20✔
205	// <!ELEMENT name (content-model)>	20✔
206		20✔
207	// Skip leading whitespace after <!ELEMENT	20✔
208	i = skipWhitespace(xmlData, i);	20✔
209		20✔
210	// Read element name	20✔
211	let elementName = "";	20✔
212	while (i < xmlData.length && !/\s/.test(xmlData[i])) {	20✔
213	elementName += xmlData[i];	65✔
214	i++;	65✔
215	}	65✔
216		20✔
217	// Validate element name	20✔
218	if (!this.suppressValidationErr && !isName(elementName)) {	20!
219	throw new Error(`Invalid element name: "${elementName}"`);	×
220	}	×
221		20✔
222	// Skip whitespace after element name	20✔
223	i = skipWhitespace(xmlData, i);	20✔
224	let contentModel = "";	20✔
225	// Expect '(' to start content model	20✔
226	if (xmlData[i] === "E" && hasSeq(xmlData, "MPTY", i)) i += 4;	20✔
227	else if (xmlData[i] === "A" && hasSeq(xmlData, "NY", i)) i += 2;	15✔
228	else if (xmlData[i] === "(") {	10✔
229	i++; // Move past '('	10✔
230		10✔
231	// Read content model	10✔
232	while (i < xmlData.length && xmlData[i] !== ")") {	10✔
233	contentModel += xmlData[i];	70✔
234	i++;	70✔
235	}	70✔
236	if (xmlData[i] !== ")") {	10!
237	throw new Error("Unterminated content model");	×
238	}	×
239		10✔
240	} else if (!this.suppressValidationErr) {	10!
241	throw new Error(`Invalid Element Expression, found "${xmlData[i]}"`);	×
242	}	×
243		20✔
244	return {	20✔
245	elementName,	20✔
246	contentModel: contentModel.trim(),	20✔
247	index: i	20✔
248	};	20✔
249	}	20✔
250		5✔
251	readAttlistExp(xmlData, i) {	5✔
252	// Skip leading whitespace after <!ATTLIST	×
253	i = skipWhitespace(xmlData, i);	×
254		×
255	// Read element name	×
256	let elementName = "";	×
257	while (i < xmlData.length && !/\s/.test(xmlData[i])) {	×
258	elementName += xmlData[i];	×
259	i++;	×
260	}	×
261		×
262	// Validate element name	×
263	validateEntityName(elementName)	×
264		×
265	// Skip whitespace after element name	×
266	i = skipWhitespace(xmlData, i);	×
267		×
268	// Read attribute name	×
269	let attributeName = "";	×
270	while (i < xmlData.length && !/\s/.test(xmlData[i])) {	×
271	attributeName += xmlData[i];	×
272	i++;	×
273	}	×
274		×
275	// Validate attribute name	×
276	if (!validateEntityName(attributeName)) {	×
277	throw new Error(`Invalid attribute name: "${attributeName}"`);	×
278	}	×
279		×
280	// Skip whitespace after attribute name	×
281	i = skipWhitespace(xmlData, i);	×
282		×
283	// Read attribute type	×
284	let attributeType = "";	×
285	if (xmlData.substring(i, i + 8).toUpperCase() === "NOTATION") {	×
286	attributeType = "NOTATION";	×
287	i += 8; // Move past "NOTATION"	×
288		×
289	// Skip whitespace after "NOTATION"	×
290	i = skipWhitespace(xmlData, i);	×
291		×
292	// Expect '(' to start the list of notations	×
293	if (xmlData[i] !== "(") {	×
294	throw new Error(`Expected '(', found "${xmlData[i]}"`);	×
295	}	×
296	i++; // Move past '('	×
297		×
298	// Read the list of allowed notations	×
299	let allowedNotations = [];	×
300	while (i < xmlData.length && xmlData[i] !== ")") {	×
301	let notation = "";	×
302	while (i < xmlData.length && xmlData[i] !== "\|" && xmlData[i] !== ")") {	×
303	notation += xmlData[i];	×
304	i++;	×
305	}	×
306		×
307	// Validate notation name	×
308	notation = notation.trim();	×
309	if (!validateEntityName(notation)) {	×
310	throw new Error(`Invalid notation name: "${notation}"`);	×
311	}	×
312		×
313	allowedNotations.push(notation);	×
314		×
315	// Skip '\|' separator or exit loop	×
316	if (xmlData[i] === "\|") {	×
317	i++; // Move past '\|'	×
318	i = skipWhitespace(xmlData, i); // Skip optional whitespace after '\|'	×
319	}	×
320	}	×
321		×
322	if (xmlData[i] !== ")") {	×
323	throw new Error("Unterminated list of notations");	×
324	}	×
325	i++; // Move past ')'	×
326		×
327	// Store the allowed notations as part of the attribute type	×
328	attributeType += " (" + allowedNotations.join("\|") + ")";	×
329	} else {	×
330	// Handle simple types (e.g., CDATA, ID, IDREF, etc.)	×
331	while (i < xmlData.length && !/\s/.test(xmlData[i])) {	×
332	attributeType += xmlData[i];	×
333	i++;	×
334	}	×
335		×
336	// Validate simple attribute type	×
337	const validTypes = ["CDATA", "ID", "IDREF", "IDREFS", "ENTITY", "ENTITIES", "NMTOKEN", "NMTOKENS"];	×
338	if (!this.suppressValidationErr && !validTypes.includes(attributeType.toUpperCase())) {	×
339	throw new Error(`Invalid attribute type: "${attributeType}"`);	×
340	}	×
341	}	×
342		×
343	// Skip whitespace after attribute type	×
344	i = skipWhitespace(xmlData, i);	×
345		×
346	// Read default value	×
347	let defaultValue = "";	×
348	if (xmlData.substring(i, i + 8).toUpperCase() === "#REQUIRED") {	×
349	defaultValue = "#REQUIRED";	×
350	i += 8;	×
351	} else if (xmlData.substring(i, i + 7).toUpperCase() === "#IMPLIED") {	×
352	defaultValue = "#IMPLIED";	×
353	i += 7;	×
354	} else {	×
355	[i, defaultValue] = this.readIdentifierVal(xmlData, i, "ATTLIST");	×
356	}	×
357		×
358	return {	×
359	elementName,	×
360	attributeName,	×
361	attributeType,	×
362	defaultValue,	×
363	index: i	×
364	}	×
365	}	×
366	}	5✔
367		5✔
368		5✔
369		5✔
370	const skipWhitespace = (data, index) => {	5✔
371	while (index < data.length && /\s/.test(data[index])) {	535✔
372	index++;	540✔
373	}	540✔
374	return index;	535✔
375	};	5✔
376		5✔
377		5✔
378		5✔
379	function hasSeq(data, seq, i) {	460✔
380	for (let j = 0; j < seq.length; j++) {	460✔
381	if (seq[j] !== data[i + j + 1]) return false;	2,345✔
382	}	2,345✔
383	return true;	300✔
384	}	460✔
385		5✔
386	function validateEntityName(name) {	240✔
387	if (isName(name))	240✔
388	return name;	240✔
389	else	5✔
390	throw new Error(`Invalid entity name ${name}`);	5✔
391	}	240✔

NaturalIntelligence / fast-xml-parser / 22012305802

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