--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/string_utils.cpp	Tue Aug 08 19:49:15 2023 -0400
@@ -0,0 +1,131 @@
+/**
+ * string_utils.cpp: Useful functions for manipulating strings
+ *
+ * Every function in here *should* have a working wstring equivalent.
+**/
+#include <vector>
+#include <string>
+#include <codecvt>
+#include <locale>
+#include "string_utils.h"
+
+/* It's actually pretty insane how the standard library still doesn't
+   have a function for this. Look at how simple this is. */
+std::string StringUtils::Implode(const std::vector<std::string>& vector,
+                                 const std::string& delimiter) {
+	std::string out = "";
+	for (int i = 0; i < vector.size(); i++) {
+		out.append(vector.at(i));
+		if (i < vector.size()-1)
+			out.append(delimiter);
+	}
+	return out;
+}
+
+std::wstring StringUtils::Implode(const std::vector<std::wstring>& vector,
+                                  const std::wstring& delimiter) {
+	std::wstring out = L"";
+	for (int i = 0; i < vector.size(); i++) {
+		out.append(vector.at(i));
+		if (i < vector.size()-1)
+			out.append(delimiter);
+	}
+	return out;
+}
+
+std::string StringUtils::WstrToUtf8(const std::wstring& string) {
+	std::wstring_convert<std::codecvt_utf8<wchar_t>> convert;
+	return convert.to_bytes(string);
+}
+
+std::wstring StringUtils::Utf8ToWstr(const std::string& string) {
+	std::wstring_convert<std::codecvt_utf8<wchar_t>> convert;
+	return convert.from_bytes(string);
+}
+
+std::string StringUtils::ReplaceAll(const std::string& string,
+                                    const std::string& find,
+									const std::string& replace) {
+    std::string result;
+    size_t pos, find_len = find.size(), from = 0;
+    while ((pos=string.find(find,from)) != std::string::npos) {
+        result.append(string, from, pos - from);
+        result.append(replace);
+        from = pos + find_len;
+    }
+    result.append(string, from, std::string::npos);
+    return result;
+}
+
+std::wstring StringUtils::ReplaceAll(const std::wstring& string,
+                                     const std::wstring& find,
+									 const std::wstring& replace) {
+    std::wstring result;
+    size_t pos, find_len = find.size(), from = 0;
+    while ((pos=string.find(find,from)) != std::wstring::npos) {
+        result.append(string, from, pos - from);
+        result.append(replace);
+        from = pos + find_len;
+    }
+    result.append(string, from, std::wstring::npos);
+    return result;
+}
+
+/* this function probably fucks your RAM but whatevs */
+std::string StringUtils::SanitizeLineEndings(const std::string& string) {
+	std::string result(string);
+	result = ReplaceAll(result, "\r\n",   "\n");
+	result = ReplaceAll(result, "<br>",   "\n");
+	result = ReplaceAll(result, "\n\n\n", "\n\n");
+	return result;
+}
+
+std::wstring StringUtils::SanitizeLineEndings(const std::wstring& string) {
+	std::wstring result(string);
+	result = ReplaceAll(result, L"\r\n",   L"\n");
+	result = ReplaceAll(result, L"<br>",   L"\n");
+	result = ReplaceAll(result, L"\n\n\n", L"\n\n");
+	return result;
+}
+
+std::string StringUtils::RemoveHtmlTags(const std::string& string) {
+	std::string html(string);
+    while (html.find("<") != std::string::npos)
+    {
+        auto startpos = html.find("<");
+        auto endpos = html.find(">") + 1;
+
+        if (endpos != std::string::npos)
+        {
+            html.erase(startpos, endpos - startpos);
+        }
+    }
+	return html;
+}
+
+std::wstring StringUtils::RemoveHtmlTags(const std::wstring& string) {
+	std::wstring html(string);
+    while (html.find(L"<") != std::wstring::npos)
+    {
+        auto startpos = html.find(L"<");
+        auto endpos = html.find(L">") + 1;
+
+        if (endpos != std::wstring::npos)
+        {
+            html.erase(startpos, endpos - startpos);
+        }
+    }
+	return html;
+}
+
+std::string StringUtils::TextifySynopsis(const std::string& string) {
+	std::string result = SanitizeLineEndings(string);
+	result = RemoveHtmlTags(string);
+	return result;
+}
+
+std::wstring StringUtils::TextifySynopsis(const std::wstring& string) {
+	std::wstring result = SanitizeLineEndings(string);
+	result = RemoveHtmlTags(string);
+	return result;
+}