From 3a2acae093206efb84519e30deddb342f5cdefb5 Mon Sep 17 00:00:00 2001
From: Gary Talent <gary@drinkingtea.net>
Date: Sun, 18 Jul 2021 13:06:52 -0500
Subject: [PATCH] [ox/std] Add BasicString::substr(begin, end)

---
 deps/ox/src/ox/std/string.hpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/deps/ox/src/ox/std/string.hpp b/deps/ox/src/ox/std/string.hpp
index 4dcc517e..951f4b6d 100644
--- a/deps/ox/src/ox/std/string.hpp
+++ b/deps/ox/src/ox/std/string.hpp
@@ -103,6 +103,9 @@ class BasicString {
 		[[nodiscard]]
 		BasicString substr(std::size_t pos) const noexcept;
 
+		[[nodiscard]]
+		BasicString substr(std::size_t begin, std::size_t end) const noexcept;
+
 		[[nodiscard]]
 		bool endsWith(const char *ending) const noexcept;
 
@@ -362,6 +365,17 @@ BasicString<SmallStringSize> BasicString<SmallStringSize>::substr(std::size_t po
 	return m_buff.data() + pos;
 }
 
+template<std::size_t SmallStringSize>
+BasicString<SmallStringSize> BasicString<SmallStringSize>::substr(std::size_t begin, std::size_t end) const noexcept {
+	const auto src = m_buff.data() + begin;
+	const auto size = end - begin;
+	BasicString<SmallStringSize> out(size);
+	const auto buff = out.data();
+	memcpy(buff, src, size);
+	buff[size] = 0;
+	return move(out);
+}
+
 template<std::size_t SmallStringSize>
 bool BasicString<SmallStringSize>::endsWith(const char *ending) const noexcept {
 	const auto endingLen = ox_strlen(ending);