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-rw-r--r--arch/x86_64/src/vga/text/buffer.cpp101
1 files changed, 0 insertions, 101 deletions
diff --git a/arch/x86_64/src/vga/text/buffer.cpp b/arch/x86_64/src/vga/text/buffer.cpp
deleted file mode 100644
index 498b9a3..0000000
--- a/arch/x86_64/src/vga/text/buffer.cpp
+++ /dev/null
@@ -1,101 +0,0 @@
-#include <arch/vga/text/buffer.hpp>
-
-#include <arch/vga/text/attribute.hpp>
-
-#include <algorithm>
-#include <bit>
-#include <cstddef>
-#include <span>
-#include <string_view>
-#include <utility>
-
-namespace arch::vga::text
-{
- buffer::buffer(std::size_t width, std::size_t height, cell * start, std::size_t position)
- : m_width{width}
- , m_height{height}
- , m_buffer{start, m_width * m_height}
- , m_position{position}
- {}
-
- auto buffer::clear() -> void
- {
- m_position = 0;
- std::ranges::fill(m_buffer, std::pair{'\0', static_cast<std::byte>(0x00)});
- }
-
- auto buffer::write(std::string_view code_points, attribute attribute) -> void
- {
- std::ranges::for_each(code_points, [&](auto code_point) -> void { write(code_point, attribute); });
- }
-
- auto buffer::write(char code_point, attribute attribute) -> void
- {
- if (m_position + 1 > m_height * m_width)
- {
- scroll();
- }
-
- if (!handle_special_code_point(code_point, attribute))
- {
- do_write(code_point, attribute);
- }
- };
-
- auto buffer::newline() -> void
- {
- auto free_glyphs_in_line = m_width - column();
- m_position += free_glyphs_in_line;
- }
-
- auto buffer::scroll(std::size_t nof_lines) -> void
- {
- auto scroll_count = std::min(nof_lines, m_height);
-
- auto scroll_start = m_buffer.begin() + (scroll_count * m_width);
- std::ranges::move(scroll_start, m_buffer.end(), m_buffer.begin());
-
- auto clear_start = m_buffer.begin() + (m_height - scroll_count) * m_width;
- std::ranges::fill(clear_start, m_buffer.end(), cell{});
-
- m_position = (line() - scroll_count) * m_width;
- }
-
- auto buffer::column() const noexcept -> std::ptrdiff_t
- {
- return m_position % m_width;
- }
-
- auto buffer::line() const noexcept -> std::ptrdiff_t
- {
- return m_position / m_width;
- }
- auto buffer::handle_special_code_point(char code_point, attribute attribute) -> bool
- {
- switch (code_point)
- {
- case '\n':
- newline();
- return true;
- case '\r':
- m_position -= column();
- return true;
- case '\t':
- do_write(" ", attribute);
- return true;
- default:
- return false;
- }
- }
-
- auto buffer::do_write(std::string_view code_points, attribute attribute) -> void
- {
- std::ranges::for_each(code_points, [&](auto code_point) -> void { do_write(code_point, attribute); });
- }
-
- auto buffer::do_write(char code_point, attribute attribute) -> void
- {
- m_buffer[m_position++] = std::pair{code_point, std::bit_cast<std::byte>(attribute)};
- }
-
-} // namespace arch::vga::text