AK: Add String::from_stream method

The caller is responsible for determining how long the string is that
they want to read.

1 files changed, 3 insertions, 0 deletions

diff --git a/AK/String.h b/AK/String.h
index 187f84458e..f9d6ec48a6 100644
--- a/AK/String.h
+++ b/AK/String.h
@@ -64,6 +64,9 @@ public:
     // Creates a new String from a sequence of UTF-8 encoded code points.
     static ErrorOr<String> from_utf8(StringView);
 
+    // Creates a new String by reading byte_count bytes from a UTF-8 encoded Stream.
+    static ErrorOr<String> from_stream(Stream&, size_t byte_count);
+
     // Creates a new String from a short sequence of UTF-8 encoded code points. If the provided string
     // does not fit in the short string storage, a compilation error will be emitted.
     static AK_SHORT_STRING_CONSTEVAL String from_utf8_short_string(StringView string)