24500125020

Committed 16 Apr 2026 08:26AM UTC coverage: 97.64% (+0.02%) from 97.617%

Build # 24500125020

Build Type

push

github

Committed by

amitguptagwl

Commit Message

remove unwanted tests

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1135 of 1182 branches covered (96.02%)

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64.13

/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 != null &&
                                entityCount >= this.options.maxEntityCount) {
                                throw new Error(
                                    `Entity count (${entityCount + 1}) exceeds maximum allowed (${this.options.maxEntityCount})`
                                );
                            }
                            //const escaped = entityName.replace(/[.\-+*:]/g, '\\.');
                            //const escaped = entityName.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
                            entities[entityName] = 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
        const startIndex = i;
        while (i < xmlData.length && !/\s/.test(xmlData[i]) && xmlData[i] !== '"' && xmlData[i] !== "'") {
            i++;
        }
        let entityName = xmlData.substring(startIndex, 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 != null &&
            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

        const startIndex = i;
        while (i < xmlData.length && !/\s/.test(xmlData[i])) {
            i++;
        }
        let notationName = xmlData.substring(startIndex, 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++;

        const startIndex = i;
        while (i < xmlData.length && xmlData[i] !== startChar) {
            i++;
        }
        identifierVal = xmlData.substring(startIndex, 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
        const startIndex = i;
        while (i < xmlData.length && !/\s/.test(xmlData[i])) {
            i++;
        }
        let elementName = xmlData.substring(startIndex, 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
            const startIndex = i;
            while (i < xmlData.length && xmlData[i] !== ")") {
                i++;
            }
            contentModel = xmlData.substring(startIndex, 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 startIndex = i;
        while (i < xmlData.length && !/\s/.test(xmlData[i])) {
            i++;
        }
        let elementName = xmlData.substring(startIndex, i);

        // Validate element name
        validateEntityName(elementName)

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

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


                const startIndex = i;
                while (i < xmlData.length && xmlData[i] !== "|" && xmlData[i] !== ")") {
                    i++;
                }
                let notation = xmlData.substring(startIndex, 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.)
            const startIndex = i;
            while (i < xmlData.length && !/\s/.test(xmlData[i])) {
                i++;
            }
            attributeType += xmlData.substring(startIndex, 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;	1,700✔
6	this.options = options;	1,700✔
7	}	1,700✔
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 != null &&	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	//const escaped = entityName.replace(/[.*+?^${}()\|[\]\\]/g, '\\$&');	205✔
39	entities[entityName] = val;	205✔
40	entityCount++;	205✔
41	}	205✔
42	}	230✔
43	else if (hasBody && hasSeq(xmlData, "!ELEMENT", i)) {	60✔
44	i += 8;//Not supported	20✔
45	const { index } = this.readElementExp(xmlData, i + 1);	20✔
46	i = index;	20✔
47	} else if (hasBody && hasSeq(xmlData, "!ATTLIST", i)) {	60✔
48	i += 8;//Not supported	5✔
49	// const {index} = this.readAttlistExp(xmlData,i+1);	5✔
50	// i = index;	5✔
51	} else if (hasBody && hasSeq(xmlData, "!NOTATION", i)) {	40✔
52	i += 9;//Not supported	10✔
53	const { index } = this.readNotationExp(xmlData, i + 1, this.suppressValidationErr);	10✔
54	i = index;	10✔
55	} else if (hasSeq(xmlData, "!--", i)) comment = true;	35✔
56	else throw new Error(`Invalid DOCTYPE`);	×
57		270✔
58	angleBracketsCount++;	270✔
59	exp = "";	270✔
60	} else if (xmlData[i] === '>') { //Read tag content	5,885✔
61	if (comment) {	470✔
62	if (xmlData[i - 1] === "-" && xmlData[i - 2] === "-") {	30✔
63	comment = false;	25✔
64	angleBracketsCount--;	25✔
65	}	25✔
66	} else {	470✔
67	angleBracketsCount--;	440✔
68	}	440✔
69	if (angleBracketsCount === 0) {	470✔
70	break;	195✔
71	}	195✔
72	} else if (xmlData[i] === '[') {	5,595✔
73	hasBody = true;	205✔
74	} else {	5,125✔
75	exp += xmlData[i];	4,920✔
76	}	4,920✔
77	}	5,885✔
78	if (angleBracketsCount !== 0) {	220✔
79	throw new Error(`Unclosed DOCTYPE`);	5✔
80	}	5✔
81	} else {	220!
82	throw new Error(`Invalid Tag instead of DOCTYPE`);	×
83	}	×
84	return { entities, i };	195✔
85	}	220✔
86	readEntityExp(xmlData, i) {	5✔
87	//External entities are not supported	230✔
88	// <!ENTITY ext SYSTEM "http://normal-website.com" >	230✔
89		230✔
90	//Parameter entities are not supported	230✔
91	// <!ENTITY entityname "&anotherElement;">	230✔
92		230✔
93	//Internal entities are supported	230✔
94	// <!ENTITY entityname "replacement text">	230✔
95		230✔
96	// Skip leading whitespace after <!ENTITY	230✔
97	i = skipWhitespace(xmlData, i);	230✔
98		230✔
99	// Read entity name	230✔
100	const startIndex = i;	230✔
101	while (i < xmlData.length && !/\s/.test(xmlData[i]) && xmlData[i] !== '"' && xmlData[i] !== "'") {	230✔
102	i++;	805✔
103	}	805✔
104	let entityName = xmlData.substring(startIndex, i);	230✔
105		230✔
106	validateEntityName(entityName);	230✔
107		230✔
108	// Skip whitespace after entity name	230✔
109	i = skipWhitespace(xmlData, i);	230✔
110		230✔
111	// Check for unsupported constructs (external entities or parameter entities)	230✔
112	if (!this.suppressValidationErr) {	230✔
113	if (xmlData.substring(i, i + 6).toUpperCase() === "SYSTEM") {	225!
114	throw new Error("External entities are not supported");	×
115	} else if (xmlData[i] === "%") {	225!
116	throw new Error("Parameter entities are not supported");	×
117	}	×
118	}	225✔
119		225✔
120	// Read entity value (internal entity)	225✔
121	let entityValue = "";	225✔
122	[i, entityValue] = this.readIdentifierVal(xmlData, i, "entity");	225✔
123		225✔
124	// Validate entity size	225✔
125	if (this.options.enabled !== false &&	230✔
126	this.options.maxEntitySize != null &&	230✔
127	entityValue.length > this.options.maxEntitySize) {	230✔
128	throw new Error(	15✔
129	`Entity "${entityName}" size (${entityValue.length}) exceeds maximum allowed size (${this.options.maxEntitySize})`	15✔
130	);	15✔
131	}	15✔
132		210✔
133	i--;	210✔
134	return [entityName, entityValue, i];	210✔
135	}	230✔
136		5✔
137	readNotationExp(xmlData, i) {	5✔
138	// Skip leading whitespace after <!NOTATION	10✔
139	i = skipWhitespace(xmlData, i);	10✔
140		10✔
141	// Read notation name	10✔
142		10✔
143	const startIndex = i;	10✔
144	while (i < xmlData.length && !/\s/.test(xmlData[i])) {	10✔
145	i++;	45✔
146	}	45✔
147	let notationName = xmlData.substring(startIndex, i);	10✔
148		10✔
149	!this.suppressValidationErr && validateEntityName(notationName);	10✔
150		10✔
151	// Skip whitespace after notation name	10✔
152	i = skipWhitespace(xmlData, i);	10✔
153		10✔
154	// Check identifier type (SYSTEM or PUBLIC)	10✔
155	const identifierType = xmlData.substring(i, i + 6).toUpperCase();	10✔
156	if (!this.suppressValidationErr && identifierType !== "SYSTEM" && identifierType !== "PUBLIC") {	10!
157	throw new Error(`Expected SYSTEM or PUBLIC, found "${identifierType}"`);	×
158	}	×
159	i += identifierType.length;	10✔
160		10✔
161	// Skip whitespace after identifier type	10✔
162	i = skipWhitespace(xmlData, i);	10✔
163		10✔
164	// Read public identifier (if PUBLIC)	10✔
165	let publicIdentifier = null;	10✔
166	let systemIdentifier = null;	10✔
167		10✔
168	if (identifierType === "PUBLIC") {	10✔
169	[i, publicIdentifier] = this.readIdentifierVal(xmlData, i, "publicIdentifier");	10✔
170		10✔
171	// Skip whitespace after public identifier	10✔
172	i = skipWhitespace(xmlData, i);	10✔
173		10✔
174	// Optionally read system identifier	10✔
175	if (xmlData[i] === '"' \|\| xmlData[i] === "'") {	10✔
176	[i, systemIdentifier] = this.readIdentifierVal(xmlData, i, "systemIdentifier");	5✔
177	}	5✔
178	} else if (identifierType === "SYSTEM") {	10!
179	// Read system identifier (mandatory for SYSTEM)	×
180	[i, systemIdentifier] = this.readIdentifierVal(xmlData, i, "systemIdentifier");	×
181		×
182	if (!this.suppressValidationErr && !systemIdentifier) {	×
183	throw new Error("Missing mandatory system identifier for SYSTEM notation");	×
184	}	×
185	}	×
186		10✔
187	return { notationName, publicIdentifier, systemIdentifier, index: --i };	10✔
188	}	10✔
189		5✔
190	readIdentifierVal(xmlData, i, type) {	5✔
191	let identifierVal = "";	240✔
192	const startChar = xmlData[i];	240✔
193	if (startChar !== '"' && startChar !== "'") {	240!
194	throw new Error(`Expected quoted string, found "${startChar}"`);	×
195	}	×
196	i++;	240✔
197		240✔
198	const startIndex = i;	240✔
199	while (i < xmlData.length && xmlData[i] !== startChar) {	240✔
200	i++;	441,490✔
201	}	441,490✔
202	identifierVal = xmlData.substring(startIndex, i);	240✔
203		240✔
204	if (xmlData[i] !== startChar) {	240!
205	throw new Error(`Unterminated ${type} value`);	×
206	}	×
207	i++;	240✔
208	return [i, identifierVal];	240✔
209	}	240✔
210		5✔
211	readElementExp(xmlData, i) {	5✔
212	// <!ELEMENT br EMPTY>	20✔
213	// <!ELEMENT div ANY>	20✔
214	// <!ELEMENT title (#PCDATA)>	20✔
215	// <!ELEMENT book (title, author+)>	20✔
216	// <!ELEMENT name (content-model)>	20✔
217		20✔
218	// Skip leading whitespace after <!ELEMENT	20✔
219	i = skipWhitespace(xmlData, i);	20✔
220		20✔
221	// Read element name	20✔
222	const startIndex = i;	20✔
223	while (i < xmlData.length && !/\s/.test(xmlData[i])) {	20✔
224	i++;	65✔
225	}	65✔
226	let elementName = xmlData.substring(startIndex, i);	20✔
227		20✔
228	// Validate element name	20✔
229	if (!this.suppressValidationErr && !isName(elementName)) {	20!
230	throw new Error(`Invalid element name: "${elementName}"`);	×
231	}	×
232		20✔
233	// Skip whitespace after element name	20✔
234	i = skipWhitespace(xmlData, i);	20✔
235	let contentModel = "";	20✔
236	// Expect '(' to start content model	20✔
237	if (xmlData[i] === "E" && hasSeq(xmlData, "MPTY", i)) i += 4;	20✔
238	else if (xmlData[i] === "A" && hasSeq(xmlData, "NY", i)) i += 2;	15✔
239	else if (xmlData[i] === "(") {	10✔
240	i++; // Move past '('	10✔
241		10✔
242	// Read content model	10✔
243	const startIndex = i;	10✔
244	while (i < xmlData.length && xmlData[i] !== ")") {	10✔
245	i++;	70✔
246	}	70✔
247	contentModel = xmlData.substring(startIndex, i);	10✔
248		10✔
249	if (xmlData[i] !== ")") {	10!
250	throw new Error("Unterminated content model");	×
251	}	×
252		10✔
253	} else if (!this.suppressValidationErr) {	10!
254	throw new Error(`Invalid Element Expression, found "${xmlData[i]}"`);	×
255	}	×
256		20✔
257	return {	20✔
258	elementName,	20✔
259	contentModel: contentModel.trim(),	20✔
260	index: i	20✔
261	};	20✔
262	}	20✔
263		5✔
264	readAttlistExp(xmlData, i) {	5✔
265	// Skip leading whitespace after <!ATTLIST	×
266	i = skipWhitespace(xmlData, i);	×
267		×
268	// Read element name	×
269	let startIndex = i;	×
270	while (i < xmlData.length && !/\s/.test(xmlData[i])) {	×
271	i++;	×
272	}	×
273	let elementName = xmlData.substring(startIndex, i);	×
274		×
275	// Validate element name	×
276	validateEntityName(elementName)	×
277		×
278	// Skip whitespace after element name	×
279	i = skipWhitespace(xmlData, i);	×
280		×
281	// Read attribute name	×
282	startIndex = i;	×
283	while (i < xmlData.length && !/\s/.test(xmlData[i])) {	×
284	i++;	×
285	}	×
286	let attributeName = xmlData.substring(startIndex, i);	×
287		×
288	// Validate attribute name	×
289	if (!validateEntityName(attributeName)) {	×
290	throw new Error(`Invalid attribute name: "${attributeName}"`);	×
291	}	×
292		×
293	// Skip whitespace after attribute name	×
294	i = skipWhitespace(xmlData, i);	×
295		×
296	// Read attribute type	×
297	let attributeType = "";	×
298	if (xmlData.substring(i, i + 8).toUpperCase() === "NOTATION") {	×
299	attributeType = "NOTATION";	×
300	i += 8; // Move past "NOTATION"	×
301		×
302	// Skip whitespace after "NOTATION"	×
303	i = skipWhitespace(xmlData, i);	×
304		×
305	// Expect '(' to start the list of notations	×
306	if (xmlData[i] !== "(") {	×
307	throw new Error(`Expected '(', found "${xmlData[i]}"`);	×
308	}	×
309	i++; // Move past '('	×
310		×
311	// Read the list of allowed notations	×
312	let allowedNotations = [];	×
313	while (i < xmlData.length && xmlData[i] !== ")") {	×
314		×
315		×
316	const startIndex = i;	×
317	while (i < xmlData.length && xmlData[i] !== "\|" && xmlData[i] !== ")") {	×
318	i++;	×
319	}	×
320	let notation = xmlData.substring(startIndex, i);	×
321		×
322	// Validate notation name	×
323	notation = notation.trim();	×
324	if (!validateEntityName(notation)) {	×
325	throw new Error(`Invalid notation name: "${notation}"`);	×
326	}	×
327		×
328	allowedNotations.push(notation);	×
329		×
330	// Skip '\|' separator or exit loop	×
331	if (xmlData[i] === "\|") {	×
332	i++; // Move past '\|'	×
333	i = skipWhitespace(xmlData, i); // Skip optional whitespace after '\|'	×
334	}	×
335	}	×
336		×
337	if (xmlData[i] !== ")") {	×
338	throw new Error("Unterminated list of notations");	×
339	}	×
340	i++; // Move past ')'	×
341		×
342	// Store the allowed notations as part of the attribute type	×
343	attributeType += " (" + allowedNotations.join("\|") + ")";	×
344	} else {	×
345	// Handle simple types (e.g., CDATA, ID, IDREF, etc.)	×
346	const startIndex = i;	×
347	while (i < xmlData.length && !/\s/.test(xmlData[i])) {	×
348	i++;	×
349	}	×
350	attributeType += xmlData.substring(startIndex, i);	×
351		×
352	// Validate simple attribute type	×
353	const validTypes = ["CDATA", "ID", "IDREF", "IDREFS", "ENTITY", "ENTITIES", "NMTOKEN", "NMTOKENS"];	×
354	if (!this.suppressValidationErr && !validTypes.includes(attributeType.toUpperCase())) {	×
355	throw new Error(`Invalid attribute type: "${attributeType}"`);	×
356	}	×
357	}	×
358		×
359	// Skip whitespace after attribute type	×
360	i = skipWhitespace(xmlData, i);	×
361		×
362	// Read default value	×
363	let defaultValue = "";	×
364	if (xmlData.substring(i, i + 8).toUpperCase() === "#REQUIRED") {	×
365	defaultValue = "#REQUIRED";	×
366	i += 8;	×
367	} else if (xmlData.substring(i, i + 7).toUpperCase() === "#IMPLIED") {	×
368	defaultValue = "#IMPLIED";	×
369	i += 7;	×
370	} else {	×
371	[i, defaultValue] = this.readIdentifierVal(xmlData, i, "ATTLIST");	×
372	}	×
373		×
374	return {	×
375	elementName,	×
376	attributeName,	×
377	attributeType,	×
378	defaultValue,	×
379	index: i	×
380	}	×
381	}	×
382	}	5✔
383		5✔
384		5✔
385		5✔
386	const skipWhitespace = (data, index) => {	5✔
387	while (index < data.length && /\s/.test(data[index])) {	535✔
388	index++;	540✔
389	}	540✔
390	return index;	535✔
391	};	5✔
392		5✔
393		5✔
394		5✔
395	function hasSeq(data, seq, i) {	460✔
396	for (let j = 0; j < seq.length; j++) {	460✔
397	if (seq[j] !== data[i + j + 1]) return false;	2,345✔
398	}	2,345✔
399	return true;	300✔
400	}	460✔
401		5✔
402	function validateEntityName(name) {	240✔
403	if (isName(name))	240✔
404	return name;	240✔
405	else	5✔
406	throw new Error(`Invalid entity name ${name}`);	5✔
407	}	240✔

NaturalIntelligence / fast-xml-parser / 24500125020

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