From 87071200872c2450c947047350132aee493033c1 Mon Sep 17 00:00:00 2001
From: Dominick Allen <djallen@librehumanitas.org>
Date: Thu, 2 Jan 2025 15:11:51 -0600
Subject: Get basic CSV parser operating.

---
 include/fud_file.hpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'include/fud_file.hpp')

diff --git a/include/fud_file.hpp b/include/fud_file.hpp
index e7c485c..6f1acbf 100644
--- a/include/fud_file.hpp
+++ b/include/fud_file.hpp
@@ -38,8 +38,7 @@ enum class FileAccessMode : uint8_t
     ReadWrite = Read | Write
 };
 
-// enum class OpenFlagEnum : uint32_t
-enum class OpenFlagEnum : uint8_t
+enum class OpenFlagEnum : uint16_t
 {
     Append = 0x01,
     Truncate = Append << 1,
@@ -207,6 +206,9 @@ class BufferedRegularFile {
     /** \brief Read from file as source to sink. */
     DrainResult read(std::byte* sink, size_t length, Option<size_t> maxExtraAttempts);
 
+    /** \brief Attempt to read one UTF8 sequence. */
+    DrainResult readUtf8(Utf8& sink, Option<size_t> maxExtraAttempts);
+
     FudStatus setBuffer(Vector<std::byte>&& buffer, bool discardOldBuffer);
 
     DrainResult flush(size_t maxExtraAttempts = 0);
@@ -261,6 +263,10 @@ class BufferedRegularFile {
     };
 
     Operation m_lastOperation{Operation::None};
+
+    DrainResult validateBufferedIO(const std::byte* pointer, Operation requestedOperation);
+
+    void drainReadBuffer(std::byte*& sink, size_t& length, DrainResult& result);
 };
 
 } // namespace fud
-- 
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