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zefie
2025-07-21 14:35:56 -04:00
parent e2b4aca277
commit 90522cc796
16 changed files with 756 additions and 532 deletions
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105
zefie_wtvp_minisrv/includes/classes/WTVTellyScript.js
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@@ -1,4 +1,5 @@
const LZSS = require("./LZSS.js");
const WTVShared = require("./WTVShared.js")['WTVShared'];
const WhitespaceInstruction = {
ADD_NONE: 0,
@@ -278,7 +279,7 @@ class WTVTellyScriptTokenizer {
this.tokenizeIdentifierOrConstant(checkSequence);
}
} else {
// Not alphanumeric <20> try symbol sequence.
// Not alphanumeric <20> try symbol sequence.
this.index = currentIdx;
checkSequence = this.buildCheckSequence(ch, "^[\\-+=<>!\\|\\&]$");
if (this.replacements.has(checkSequence)) {
@@ -1048,7 +1049,7 @@ class WTVTellyScriptMinifier {
class WTVTellyScript {
// --- TellyScript Class ---
/*
/**
* Constructs a new TellyScript object.
* @param {Uint8Array|string} data - The TellyScript data (either packed, tokenized, or raw).
* @param {number} dataState - One of TellyScriptState (default: PACKED).
@@ -1064,10 +1065,14 @@ class WTVTellyScript {
this.raw_data = null;
this.preprocessor_definitions = preprocessor_definitions;
this.version_minor = version_minor;
this.wtvshared = new WTVShared();
this.process(data, dataState);
}
/**
* Preprocesses the tellscript data based on the current preprocessor definitions.
* It handles directives like #ifdef, #ifndef, #if, #else, #endif.
*/
preprocess() {
var definitions = this.preprocessor_definitions || {};
// Split input into lines (handling CRLF and LF)
@@ -1140,6 +1145,10 @@ class WTVTellyScript {
}
/**
* Minifies the TellyScript data.
* @returns {string} The minified TellyScript data.
*/
minify() {
let minifier = new WTVTellyScriptMinifier();
this.raw_data = minifier.minify(this);
@@ -1148,51 +1157,18 @@ class WTVTellyScript {
this.pack();
}
ipToHex(ip) {
const parts = ip.split('.');
if (parts.length !== 4) {
throw new Error('Invalid IP address');
}
let num = 0;
for (let i = 0; i < 4; i++) {
const part = parseInt(parts[i], 10);
if (part < 0 || part > 255) {
throw new Error('Invalid IP address');
}
num = (num << 8) | part;
}
// Convert to unsigned 32-bit number before converting to hex
return "0x" + (num >>> 0).toString(16).toUpperCase();
}
setTemplateVars(service_name, dialin_number, DNS1IP, DNS2IP) {
this.raw_data = this.raw_data.replaceAll("%ServiceName%", service_name);
this.raw_data = this.raw_data.replaceAll("%DialinNumber%", dialin_number);
this.raw_data = this.raw_data.replaceAll("%DNSIP1%", DNS1IP);
this.raw_data = this.raw_data.replaceAll("%DNSIP2%", DNS2IP);
this.raw_data = this.raw_data.replaceAll("%DNS1%", this.ipToHex(DNS1IP));
this.raw_data = this.raw_data.replaceAll("%DNS2%", this.ipToHex(DNS2IP));
this.raw_data = this.raw_data.replaceAll("%DNS1%", this.wtvshared.ipToHex(DNS1IP));
this.raw_data = this.raw_data.replaceAll("%DNS2%", this.wtvshared.ipToHex(DNS2IP));
}
// --- Big Endian Converter Helpers ---
toUint32(bytes, offset) {
return (
(bytes[offset] << 24) >>> 0 |
(bytes[offset + 1] << 16) |
(bytes[offset + 2] << 8) |
(bytes[offset + 3])
) >>> 0;
}
uint32ToBytes(num) {
return [
(num >>> 24) & 0xff,
(num >>> 16) & 0xff,
(num >>> 8) & 0xff,
num & 0xff,
];
}
// --- CRC32 Calculation ---
@@ -1253,7 +1229,7 @@ class WTVTellyScript {
autoDetectState(data) {
if (data instanceof Uint8Array) {
if (data.length > 4) {
const magic = this.toUint32(data, 0);
const magic = this.wtvshared.toUint32(data, 0);
if (magic === 0x414e4459) { // "ANDY"
this.tellyscript_type = TellyScriptType.ORIGINAL;
return TellyScriptState.PACKED;
@@ -1312,19 +1288,23 @@ class WTVTellyScript {
}
// --- Unpacking ---
/**
* Unpacks the packed TellyScript data
* @returns {Uint8Array} The unpacked TellyScript data
*/
unpack() {
// Read header fields from the first 36 bytes.
const headerBytes = this.packed_data.slice(0, PACKED_TELLYSCRIPT_HEADER_SIZE);
this.packed_header = {
magic: String.fromCharCode(...headerBytes.slice(0, 4)),
version_major: this.toUint32(headerBytes, 4),
version_minor: this.toUint32(headerBytes, 8),
script_id: this.toUint32(headerBytes, 12),
script_mod: this.toUint32(headerBytes, 16),
compressed_data_length: this.toUint32(headerBytes, 20),
decompressed_data_length: this.toUint32(headerBytes, 24),
decompressed_checksum: this.toUint32(headerBytes, 28),
unknown1: this.toUint32(headerBytes, 32),
version_major: this.wtvshared.toUint32(headerBytes, 4),
version_minor: this.wtvshared.toUint32(headerBytes, 8),
script_id: this.wtvshared.toUint32(headerBytes, 12),
script_mod: this.wtvshared.toUint32(headerBytes, 16),
compressed_data_length: this.wtvshared.toUint32(headerBytes, 20),
decompressed_data_length: this.wtvshared.toUint32(headerBytes, 24),
decompressed_checksum: this.wtvshared.toUint32(headerBytes, 28),
unknown1: this.wtvshared.toUint32(headerBytes, 32),
};
// Extract compressed data from the remainder of the packed_data.
@@ -1337,21 +1317,30 @@ class WTVTellyScript {
return this.tokenized_data;
}
// --- Detokenization ---
/**
* Detokenizes the tokenized TellyScript data
* @returns {string} The detokenized TellyScript data
*/
detokenize() {
// Uses the previously defined TellyScriptDetokenizer class.
this.raw_data = new WTVTellyScriptDetokenizer(this.tokenized_data).detokenize();
return this.raw_data;
}
// --- Tokenization ---
/**
* Tokenizes the raw TellyScript data
* @returns {Uint8Array} The tokenized TellyScript data
*/
tokenize() {
// Uses the previously defined TellyScriptTokenizer class.
this.tokenized_data = new WTVTellyScriptTokenizer(this.raw_data).tokenize();
return this.tokenized_data;
}
// --- Packing ---
/**
* Packs the tokenized TellyScript data into a packed format
* @returns {Uint8Array} The packed TellyScript data
*/
pack() {
// Compress tokenized data using LZSS.
const comp = new LZSS();
@@ -1399,14 +1388,14 @@ class WTVTellyScript {
buffer[i] = header.magic.charCodeAt(i);
}
// Next fields: each 4 bytes in Big Endian order.
buffer.set(this.uint32ToBytes(header.version_major), 4);
buffer.set(this.uint32ToBytes(header.version_minor), 8);
buffer.set(this.uint32ToBytes(header.script_id), 12);
buffer.set(this.uint32ToBytes(header.script_mod), 16);
buffer.set(this.uint32ToBytes(header.compressed_data_length), 20);
buffer.set(this.uint32ToBytes(header.decompressed_data_length), 24);
buffer.set(this.uint32ToBytes(header.decompressed_checksum), 28);
buffer.set(this.uint32ToBytes(header.unknown1), 32);
buffer.set(this.wtvshared.uint32ToBytes(header.version_major), 4);
buffer.set(this.wtvshared.uint32ToBytes(header.version_minor), 8);
buffer.set(this.wtvshared.uint32ToBytes(header.script_id), 12);
buffer.set(this.wtvshared.uint32ToBytes(header.script_mod), 16);
buffer.set(this.wtvshared.uint32ToBytes(header.compressed_data_length), 20);
buffer.set(this.wtvshared.uint32ToBytes(header.decompressed_data_length), 24);
buffer.set(this.wtvshared.uint32ToBytes(header.decompressed_checksum), 28);
buffer.set(this.wtvshared.uint32ToBytes(header.unknown1), 32);
return buffer;
}