@adguard/agtree
Version:
Tool set for working with adblock filter lists
55 lines (52 loc) • 2.37 kB
JavaScript
/*
* AGTree v3.2.2 (build date: Tue, 08 Jul 2025 13:39:47 GMT)
* (c) 2025 Adguard Software Ltd.
* Released under the MIT license
* https://github.com/AdguardTeam/tsurlfilter/tree/master/packages/agtree#readme
*/
import { NULL } from '../../../utils/constants.js';
import { ParameterListDeserializer } from '../../misc/parameter-list-deserializer.js';
import { BaseDeserializer } from '../../base-deserializer.js';
import { AbpSnippetBodyMarshallingMap } from '../../../marshalling-utils/cosmetic/body/abp-snippet-injection-body-common.js';
import { BinaryTypeMarshallingMap } from '../../../marshalling-utils/misc/binary-type-common.js';
/**
* Deserializes binary data into scriptlet body nodes.
* Optionally uses a map of frequently used scriptlet arguments.
*/
class ScriptletBodyDeserializer extends BaseDeserializer {
/**
* Deserializes a hint rule node from binary format.
*
* @param buffer ByteBuffer for reading binary data.
* @param node Destination node.
* @param frequentScriptletArgs Map of frequently used scriptlet names / arguments
* and their serialization index (optional).
* @throws If the binary data is malformed.
*/
static deserialize = (buffer, node, frequentScriptletArgs) => {
buffer.assertUint8(BinaryTypeMarshallingMap.ScriptletInjectionRuleBodyNode);
node.type = 'ScriptletInjectionRuleBody';
let prop = buffer.readUint8();
while (prop !== NULL) {
switch (prop) {
case AbpSnippetBodyMarshallingMap.Children:
node.children = new Array(buffer.readUint8());
// read children
for (let i = 0; i < node.children.length; i += 1) {
ParameterListDeserializer.deserialize(buffer, node.children[i] = {}, frequentScriptletArgs);
}
break;
case AbpSnippetBodyMarshallingMap.Start:
node.start = buffer.readUint32();
break;
case AbpSnippetBodyMarshallingMap.End:
node.end = buffer.readUint32();
break;
default:
throw new Error(`Invalid property: ${prop}`);
}
prop = buffer.readUint8();
}
};
}
export { ScriptletBodyDeserializer };