From d246e974d013dc00657bc60b38fbed3ceed3ef37 Mon Sep 17 00:00:00 2001
From: ragnarok-clanker <ragnarok-clanker>
Date: Thu, 29 Oct 2026 22:58:07 +0000
Subject: [PATCH] Decompile 5 functions in Source/Utility/Text/StringUtil.cpp,
 Source/Utility/Text/StringUtil.h

Batch #3633 by Yommy: 0 byte-identical, 5 confirmed by peer review.

- fn_02759 GetFileName: logic confirmed by peer review
- fn_02764 FormatDecimal: logic confirmed by peer review
- fn_02765 Split: logic confirmed by peer review
- fn_02766 TrimRight: logic confirmed by peer review
- fn_02767 TrimLeft: logic confirmed by peer review

Peer-reviewed-by: eAthena, meitogi, superintelligence
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
---
 Source/Utility/Text/StringUtil.cpp | 68 ++++++++++++++++++++++++++++++
 Source/Utility/Text/StringUtil.h   |  6 +++
 2 files changed, 74 insertions(+)

diff --git a/Source/Utility/Text/StringUtil.cpp b/Source/Utility/Text/StringUtil.cpp
index da8eb5d9..9941ab87 100644
--- a/Source/Utility/Text/StringUtil.cpp
+++ b/Source/Utility/Text/StringUtil.cpp
@@ -1,6 +1,12 @@
 #include "Utility/Text/StringUtil.h"
 
+#include <algorithm>
+#include <cctype>
+#include <cmath>
 #include <cstring>
+#include <iomanip>
+#include <ranges>
+#include <sstream>
 
 // OFFSET: 0x0058A4D0
 // FUNCTION: fn_02757
@@ -26,6 +32,16 @@ bool ContainsText(const std::string& text, std::string_view pattern) {
   return text.find(pattern.data(), 0, pattern.size()) != std::string::npos;
 }
 
+// OFFSET: 0x0058A8F0
+// FUNCTION: fn_02759
+std::string GetFileName(const std::string& path) {
+  std::size_t position = path.find_last_of("\\/");
+  if (position == std::string::npos) {
+    return path;
+  }
+  return path.substr(position + 1);
+}
+
 // OFFSET: 0x0058AAF0
 // FUNCTION: fn_02761
 bool IsNullOrEmpty(const char* text) {
@@ -50,3 +66,55 @@ int ReplaceAll(std::string& text, std::string_view pattern, std::string_view rep
   }
   return count;
 }
+
+// OFFSET: 0x0058AE30
+// FUNCTION: fn_02764
+std::string FormatDecimal(double value, int precision, bool trimZeros) {
+  double scale = std::pow(10.0, precision);
+  double inverseScale = std::pow(0.1, precision);
+  double rounded = std::round(value * scale) * inverseScale;
+
+  std::ostringstream stream;
+  stream << std::fixed << std::setprecision(precision) << rounded;
+  std::string result = stream.str();
+
+  if (trimZeros) {
+    result.erase(result.find_last_not_of('0') + 1);
+    if (result.back() == '.') {
+      result.pop_back();
+    }
+  }
+  return result;
+}
+
+// OFFSET: 0x0058B170
+// FUNCTION: fn_02765
+std::vector<std::string> Split(std::string_view text, std::string_view delimiter) {
+  std::vector<std::string> result;
+  for (auto part : text | std::views::split(delimiter)) {
+    result.emplace_back(std::string_view(part.begin(), part.end()));
+  }
+  return result;
+}
+
+// OFFSET: 0x0058B830
+// FUNCTION: fn_02766
+void TrimRight(std::string& text, std::string_view characters) {
+  if (characters.empty()) {
+    auto last = std::find_if(text.rbegin(), text.rend(), [](unsigned char c) { return !std::isspace(c); });
+    text.erase(last.base(), text.end());
+    return;
+  }
+  text.erase(text.find_last_not_of(characters) + 1);
+}
+
+// OFFSET: 0x0058BA30
+// FUNCTION: fn_02767
+void TrimLeft(std::string& text, std::string_view characters) {
+  if (characters.empty()) {
+    auto first = std::find_if(text.begin(), text.end(), [](unsigned char c) { return !std::isspace(c); });
+    text.erase(text.begin(), first);
+    return;
+  }
+  text.erase(0, text.find_first_not_of(characters));
+}
diff --git a/Source/Utility/Text/StringUtil.h b/Source/Utility/Text/StringUtil.h
index 54d6a5f9..bbf35f3e 100644
--- a/Source/Utility/Text/StringUtil.h
+++ b/Source/Utility/Text/StringUtil.h
@@ -3,12 +3,18 @@
 
 #include <string>
 #include <string_view>
+#include <vector>
 #include <windows.h>
 
 int CountCharacters(WORD codePage, const char* text, const char* end);
 bool ContainsText(const std::string& text, std::string_view pattern);
+std::string GetFileName(const std::string& path);
 bool IsNullOrEmpty(const char* text);
 int RemoveAll(std::string& text, std::string_view pattern);
 int ReplaceAll(std::string& text, std::string_view pattern, std::string_view replacement);
+std::string FormatDecimal(double value, int precision, bool trimZeros);
+std::vector<std::string> Split(std::string_view text, std::string_view delimiter);
+void TrimRight(std::string& text, std::string_view characters);
+void TrimLeft(std::string& text, std::string_view characters);
 
 #endif