Union/UnionPatcher
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Use regex to discover existing server urls

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- Supports LBP PSP and PS3
- Hardcoded length limit, will fix soonTM
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Dagg 2022-09-08 14:41:53 -07:00
commit 704ce90b21
1 changed files with 11 additions and 5 deletions
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16
UnionPatcher/Patcher.cs
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@ -1,6 +1,7 @@
using System; using System;
using System.IO; using System.IO;
using System.Text; using System.Text;
using System.Text.RegularExpressions;
namespace LBPUnion.UnionPatcher; namespace LBPUnion.UnionPatcher;
@ -72,13 +73,18 @@ public static class Patcher {
byte[] serverUrlAsBytes = Encoding.ASCII.GetBytes(serverUrl); byte[] serverUrlAsBytes = Encoding.ASCII.GetBytes(serverUrl);
bool wroteUrl = false; bool wroteUrl = false;
foreach(string url in toBePatched) {
if(serverUrl.Length > url.Length) { // Find a string including http or https and LITTLEBIGPLANETPS3_XML or LITTLEBIGPLANETPSP_XML
MatchCollection urls = Regex.Matches(dataAsString, "https?.*?LITTLEBIGPLANETPS(3|P)_XML");
foreach(Match urlMatch in urls) {
string url = urlMatch.Value;
// Hard coded 79 max length
// TODO: Get length of index to next data in EBOOT to calcuate true maximum length
if(serverUrl.Length > 79) {
throw new ArgumentOutOfRangeException(nameof(serverUrl), $"Server URL ({serverUrl.Length} characters long) is above maximum length {url.Length}"); throw new ArgumentOutOfRangeException(nameof(serverUrl), $"Server URL ({serverUrl.Length} characters long) is above maximum length {url.Length}");
} }
int offset = urlMatch.Index;
int offset = dataAsString.IndexOf(url, StringComparison.Ordinal);
if(offset < 1) continue;
writer.BaseStream.Position = offset; writer.BaseStream.Position = offset;
for(int i = 0; i < url.Length; i++) { for(int i = 0; i < url.Length; i++) {