22607952071

Committed 03 Mar 2026 04:10AM UTC coverage: 97.689% (-0.2%) from 97.87%

Build # 22607952071

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github

Committed by

amitguptagwl

Commit Message

update release info

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64.25

/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 = Object.create(null);
        let entityCount = 0;

        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
                            if (this.options.enabled !== false &&
                                this.options.maxEntityCount &&
                                entityCount >= this.options.maxEntityCount) {
                                throw new Error(
                                    `Entity count (${entityCount + 1}) exceeds maximum allowed (${this.options.maxEntityCount})`
                                );
                            }
                            const escaped = entityName.replace(/[.\-+*:]/g, '\\.');
                            entities[entityName] = {
                                regx: RegExp(`&${escaped};`, "g"),
                                val: val
                            };
                            entityCount++;
                        }
                    }
                    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;	990✔
6	this.options = options;	990✔
7	}	990✔
8		5✔
9	readDocType(xmlData, i) {	5✔
10	const entities = Object.create(null);	220✔
11	let entityCount = 0;	220✔
12		220✔
13	if (xmlData[i + 3] === 'O' &&	220✔
14	xmlData[i + 4] === 'C' &&	220✔
15	xmlData[i + 5] === 'T' &&	220✔
16	xmlData[i + 6] === 'Y' &&	220✔
17	xmlData[i + 7] === 'P' &&	220✔
18	xmlData[i + 8] === 'E') {	220✔
19	i = i + 9;	220✔
20	let angleBracketsCount = 1;	220✔
21	let hasBody = false, comment = false;	220✔
22	let exp = "";	220✔
23	for (; i < xmlData.length; i++) {	220✔
24	if (xmlData[i] === '<' && !comment) { //Determine the tag type	5,885✔
25	if (hasBody && hasSeq(xmlData, "!ENTITY", i)) {	290✔
26	i += 7;	230✔
27	let entityName, val;	230✔
28	[entityName, val, i] = this.readEntityExp(xmlData, i + 1, this.suppressValidationErr);	230✔
29	if (val.indexOf("&") === -1) { //Parameter entities are not supported	230✔
30	if (this.options.enabled !== false &&	205✔
31	this.options.maxEntityCount &&	205✔
32	entityCount >= this.options.maxEntityCount) {	205!
33	throw new Error(	×
34	`Entity count (${entityCount + 1}) exceeds maximum allowed (${this.options.maxEntityCount})`	×
35	);	×
36	}	×
37	const escaped = entityName.replace(/[.\-+*:]/g, '\\.');	205✔
38	entities[entityName] = {	205✔
39	regx: RegExp(`&${escaped};`, "g"),	205✔
40	val: val	205✔
41	};	205✔
42	entityCount++;	205✔
43	}	205✔
44	}	230✔
45	else if (hasBody && hasSeq(xmlData, "!ELEMENT", i)) {	60✔
46	i += 8;//Not supported	20✔
47	const { index } = this.readElementExp(xmlData, i + 1);	20✔
48	i = index;	20✔
49	} else if (hasBody && hasSeq(xmlData, "!ATTLIST", i)) {	60✔
50	i += 8;//Not supported	5✔
51	// const {index} = this.readAttlistExp(xmlData,i+1);	5✔
52	// i = index;	5✔
53	} else if (hasBody && hasSeq(xmlData, "!NOTATION", i)) {	40✔
54	i += 9;//Not supported	10✔
55	const { index } = this.readNotationExp(xmlData, i + 1, this.suppressValidationErr);	10✔
56	i = index;	10✔
57	} else if (hasSeq(xmlData, "!--", i)) comment = true;	35✔
58	else throw new Error(`Invalid DOCTYPE`);	×
59		270✔
60	angleBracketsCount++;	270✔
61	exp = "";	270✔
62	} else if (xmlData[i] === '>') { //Read tag content	5,885✔
63	if (comment) {	470✔
64	if (xmlData[i - 1] === "-" && xmlData[i - 2] === "-") {	30✔
65	comment = false;	25✔
66	angleBracketsCount--;	25✔
67	}	25✔
68	} else {	470✔
69	angleBracketsCount--;	440✔
70	}	440✔
71	if (angleBracketsCount === 0) {	470✔
72	break;	195✔
73	}	195✔
74	} else if (xmlData[i] === '[') {	5,595✔
75	hasBody = true;	205✔
76	} else {	5,125✔
77	exp += xmlData[i];	4,920✔
78	}	4,920✔
79	}	5,885✔
80	if (angleBracketsCount !== 0) {	220✔
81	throw new Error(`Unclosed DOCTYPE`);	5✔
82	}	5✔
83	} else {	220!
84	throw new Error(`Invalid Tag instead of DOCTYPE`);	×
85	}	×
86	return { entities, i };	195✔
87	}	220✔
88	readEntityExp(xmlData, i) {	5✔
89	//External entities are not supported	230✔
90	// <!ENTITY ext SYSTEM "http://normal-website.com" >	230✔
91		230✔
92	//Parameter entities are not supported	230✔
93	// <!ENTITY entityname "&anotherElement;">	230✔
94		230✔
95	//Internal entities are supported	230✔
96	// <!ENTITY entityname "replacement text">	230✔
97		230✔
98	// Skip leading whitespace after <!ENTITY	230✔
99	i = skipWhitespace(xmlData, i);	230✔
100		230✔
101	// Read entity name	230✔
102	let entityName = "";	230✔
103	while (i < xmlData.length && !/\s/.test(xmlData[i]) && xmlData[i] !== '"' && xmlData[i] !== "'") {	230✔
104	entityName += xmlData[i];	805✔
105	i++;	805✔
106	}	805✔
107	validateEntityName(entityName);	230✔
108		230✔
109	// Skip whitespace after entity name	230✔
110	i = skipWhitespace(xmlData, i);	230✔
111		230✔
112	// Check for unsupported constructs (external entities or parameter entities)	230✔
113	if (!this.suppressValidationErr) {	230✔
114	if (xmlData.substring(i, i + 6).toUpperCase() === "SYSTEM") {	225!
115	throw new Error("External entities are not supported");	×
116	} else if (xmlData[i] === "%") {	225!
117	throw new Error("Parameter entities are not supported");	×
118	}	×
119	}	225✔
120		225✔
121	// Read entity value (internal entity)	225✔
122	let entityValue = "";	225✔
123	[i, entityValue] = this.readIdentifierVal(xmlData, i, "entity");	225✔
124		225✔
125	// Validate entity size	225✔
126	if (this.options.enabled !== false &&	230✔
127	this.options.maxEntitySize &&	230✔
128	entityValue.length > this.options.maxEntitySize) {	230✔
129	throw new Error(	15✔
130	`Entity "${entityName}" size (${entityValue.length}) exceeds maximum allowed size (${this.options.maxEntitySize})`	15✔
131	);	15✔
132	}	15✔
133		210✔
134	i--;	210✔
135	return [entityName, entityValue, i];	210✔
136	}	230✔
137		5✔
138	readNotationExp(xmlData, i) {	5✔
139	// Skip leading whitespace after <!NOTATION	10✔
140	i = skipWhitespace(xmlData, i);	10✔
141		10✔
142	// Read notation name	10✔
143	let notationName = "";	10✔
144	while (i < xmlData.length && !/\s/.test(xmlData[i])) {	10✔
145	notationName += xmlData[i];	45✔
146	i++;	45✔
147	}	45✔
148	!this.suppressValidationErr && validateEntityName(notationName);	10✔
149		10✔
150	// Skip whitespace after notation name	10✔
151	i = skipWhitespace(xmlData, i);	10✔
152		10✔
153	// Check identifier type (SYSTEM or PUBLIC)	10✔
154	const identifierType = xmlData.substring(i, i + 6).toUpperCase();	10✔
155	if (!this.suppressValidationErr && identifierType !== "SYSTEM" && identifierType !== "PUBLIC") {	10!
156	throw new Error(`Expected SYSTEM or PUBLIC, found "${identifierType}"`);	×
157	}	×
158	i += identifierType.length;	10✔
159		10✔
160	// Skip whitespace after identifier type	10✔
161	i = skipWhitespace(xmlData, i);	10✔
162		10✔
163	// Read public identifier (if PUBLIC)	10✔
164	let publicIdentifier = null;	10✔
165	let systemIdentifier = null;	10✔
166		10✔
167	if (identifierType === "PUBLIC") {	10✔
168	[i, publicIdentifier] = this.readIdentifierVal(xmlData, i, "publicIdentifier");	10✔
169		10✔
170	// Skip whitespace after public identifier	10✔
171	i = skipWhitespace(xmlData, i);	10✔
172		10✔
173	// Optionally read system identifier	10✔
174	if (xmlData[i] === '"' \|\| xmlData[i] === "'") {	10✔
175	[i, systemIdentifier] = this.readIdentifierVal(xmlData, i, "systemIdentifier");	5✔
176	}	5✔
177	} else if (identifierType === "SYSTEM") {	10!
178	// Read system identifier (mandatory for SYSTEM)	×
179	[i, systemIdentifier] = this.readIdentifierVal(xmlData, i, "systemIdentifier");	×
180		×
181	if (!this.suppressValidationErr && !systemIdentifier) {	×
182	throw new Error("Missing mandatory system identifier for SYSTEM notation");	×
183	}	×
184	}	×
185		10✔
186	return { notationName, publicIdentifier, systemIdentifier, index: --i };	10✔
187	}	10✔
188		5✔
189	readIdentifierVal(xmlData, i, type) {	5✔
190	let identifierVal = "";	240✔
191	const startChar = xmlData[i];	240✔
192	if (startChar !== '"' && startChar !== "'") {	240!
193	throw new Error(`Expected quoted string, found "${startChar}"`);	×
194	}	×
195	i++;	240✔
196		240✔
197	while (i < xmlData.length && xmlData[i] !== startChar) {	240✔
198	identifierVal += xmlData[i];	441,490✔
199	i++;	441,490✔
200	}	441,490✔
201		240✔
202	if (xmlData[i] !== startChar) {	240!
203	throw new Error(`Unterminated ${type} value`);	×
204	}	×
205	i++;	240✔
206	return [i, identifierVal];	240✔
207	}	240✔
208		5✔
209	readElementExp(xmlData, i) {	5✔
210	// <!ELEMENT br EMPTY>	20✔
211	// <!ELEMENT div ANY>	20✔
212	// <!ELEMENT title (#PCDATA)>	20✔
213	// <!ELEMENT book (title, author+)>	20✔
214	// <!ELEMENT name (content-model)>	20✔
215		20✔
216	// Skip leading whitespace after <!ELEMENT	20✔
217	i = skipWhitespace(xmlData, i);	20✔
218		20✔
219	// Read element name	20✔
220	let elementName = "";	20✔
221	while (i < xmlData.length && !/\s/.test(xmlData[i])) {	20✔
222	elementName += xmlData[i];	65✔
223	i++;	65✔
224	}	65✔
225		20✔
226	// Validate element name	20✔
227	if (!this.suppressValidationErr && !isName(elementName)) {	20!
228	throw new Error(`Invalid element name: "${elementName}"`);	×
229	}	×
230		20✔
231	// Skip whitespace after element name	20✔
232	i = skipWhitespace(xmlData, i);	20✔
233	let contentModel = "";	20✔
234	// Expect '(' to start content model	20✔
235	if (xmlData[i] === "E" && hasSeq(xmlData, "MPTY", i)) i += 4;	20✔
236	else if (xmlData[i] === "A" && hasSeq(xmlData, "NY", i)) i += 2;	15✔
237	else if (xmlData[i] === "(") {	10✔
238	i++; // Move past '('	10✔
239		10✔
240	// Read content model	10✔
241	while (i < xmlData.length && xmlData[i] !== ")") {	10✔
242	contentModel += xmlData[i];	70✔
243	i++;	70✔
244	}	70✔
245	if (xmlData[i] !== ")") {	10!
246	throw new Error("Unterminated content model");	×
247	}	×
248		10✔
249	} else if (!this.suppressValidationErr) {	10!
250	throw new Error(`Invalid Element Expression, found "${xmlData[i]}"`);	×
251	}	×
252		20✔
253	return {	20✔
254	elementName,	20✔
255	contentModel: contentModel.trim(),	20✔
256	index: i	20✔
257	};	20✔
258	}	20✔
259		5✔
260	readAttlistExp(xmlData, i) {	5✔
261	// Skip leading whitespace after <!ATTLIST	×
262	i = skipWhitespace(xmlData, i);	×
263		×
264	// Read element name	×
265	let elementName = "";	×
266	while (i < xmlData.length && !/\s/.test(xmlData[i])) {	×
267	elementName += xmlData[i];	×
268	i++;	×
269	}	×
270		×
271	// Validate element name	×
272	validateEntityName(elementName)	×
273		×
274	// Skip whitespace after element name	×
275	i = skipWhitespace(xmlData, i);	×
276		×
277	// Read attribute name	×
278	let attributeName = "";	×
279	while (i < xmlData.length && !/\s/.test(xmlData[i])) {	×
280	attributeName += xmlData[i];	×
281	i++;	×
282	}	×
283		×
284	// Validate attribute name	×
285	if (!validateEntityName(attributeName)) {	×
286	throw new Error(`Invalid attribute name: "${attributeName}"`);	×
287	}	×
288		×
289	// Skip whitespace after attribute name	×
290	i = skipWhitespace(xmlData, i);	×
291		×
292	// Read attribute type	×
293	let attributeType = "";	×
294	if (xmlData.substring(i, i + 8).toUpperCase() === "NOTATION") {	×
295	attributeType = "NOTATION";	×
296	i += 8; // Move past "NOTATION"	×
297		×
298	// Skip whitespace after "NOTATION"	×
299	i = skipWhitespace(xmlData, i);	×
300		×
301	// Expect '(' to start the list of notations	×
302	if (xmlData[i] !== "(") {	×
303	throw new Error(`Expected '(', found "${xmlData[i]}"`);	×
304	}	×
305	i++; // Move past '('	×
306		×
307	// Read the list of allowed notations	×
308	let allowedNotations = [];	×
309	while (i < xmlData.length && xmlData[i] !== ")") {	×
310	let notation = "";	×
311	while (i < xmlData.length && xmlData[i] !== "\|" && xmlData[i] !== ")") {	×
312	notation += xmlData[i];	×
313	i++;	×
314	}	×
315		×
316	// Validate notation name	×
317	notation = notation.trim();	×
318	if (!validateEntityName(notation)) {	×
319	throw new Error(`Invalid notation name: "${notation}"`);	×
320	}	×
321		×
322	allowedNotations.push(notation);	×
323		×
324	// Skip '\|' separator or exit loop	×
325	if (xmlData[i] === "\|") {	×
326	i++; // Move past '\|'	×
327	i = skipWhitespace(xmlData, i); // Skip optional whitespace after '\|'	×
328	}	×
329	}	×
330		×
331	if (xmlData[i] !== ")") {	×
332	throw new Error("Unterminated list of notations");	×
333	}	×
334	i++; // Move past ')'	×
335		×
336	// Store the allowed notations as part of the attribute type	×
337	attributeType += " (" + allowedNotations.join("\|") + ")";	×
338	} else {	×
339	// Handle simple types (e.g., CDATA, ID, IDREF, etc.)	×
340	while (i < xmlData.length && !/\s/.test(xmlData[i])) {	×
341	attributeType += xmlData[i];	×
342	i++;	×
343	}	×
344		×
345	// Validate simple attribute type	×
346	const validTypes = ["CDATA", "ID", "IDREF", "IDREFS", "ENTITY", "ENTITIES", "NMTOKEN", "NMTOKENS"];	×
347	if (!this.suppressValidationErr && !validTypes.includes(attributeType.toUpperCase())) {	×
348	throw new Error(`Invalid attribute type: "${attributeType}"`);	×
349	}	×
350	}	×
351		×
352	// Skip whitespace after attribute type	×
353	i = skipWhitespace(xmlData, i);	×
354		×
355	// Read default value	×
356	let defaultValue = "";	×
357	if (xmlData.substring(i, i + 8).toUpperCase() === "#REQUIRED") {	×
358	defaultValue = "#REQUIRED";	×
359	i += 8;	×
360	} else if (xmlData.substring(i, i + 7).toUpperCase() === "#IMPLIED") {	×
361	defaultValue = "#IMPLIED";	×
362	i += 7;	×
363	} else {	×
364	[i, defaultValue] = this.readIdentifierVal(xmlData, i, "ATTLIST");	×
365	}	×
366		×
367	return {	×
368	elementName,	×
369	attributeName,	×
370	attributeType,	×
371	defaultValue,	×
372	index: i	×
373	}	×
374	}	×
375	}	5✔
376		5✔
377		5✔
378		5✔
379	const skipWhitespace = (data, index) => {	5✔
380	while (index < data.length && /\s/.test(data[index])) {	535✔
381	index++;	540✔
382	}	540✔
383	return index;	535✔
384	};	5✔
385		5✔
386		5✔
387		5✔
388	function hasSeq(data, seq, i) {	460✔
389	for (let j = 0; j < seq.length; j++) {	460✔
390	if (seq[j] !== data[i + j + 1]) return false;	2,345✔
391	}	2,345✔
392	return true;	300✔
393	}	460✔
394		5✔
395	function validateEntityName(name) {	240✔
396	if (isName(name))	240✔
397	return name;	240✔
398	else	5✔
399	throw new Error(`Invalid entity name ${name}`);	5✔
400	}	240✔

NaturalIntelligence / fast-xml-parser / 22607952071

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