refactor: move containers into separate directory

1 files changed, 0 insertions, 256 deletions

diff --git a/lib/nes/common/string-builder.cc b/lib/nes/common/string-builder.cc
deleted file mode 100644
index 7747aaa..0000000
--- a/lib/nes/common/string-builder.cc
+++ /dev/null
@@ -1,256 +0,0 @@
-#include "nes/common/string-builder.hh"
-
-namespace nes
-{
-	string_builder::string_builder(span<char> const buffer)
-		: buffer_{ buffer }
-	{
-	}
-
-	auto string_builder::append_char(char const value) -> status
-	{
-		if (length_ == buffer_.get_length()) { return status::error_buffer_overflow; }
-
-		buffer_[length_] = value;
-		length_ += 1;
-		return status::success;
-	}
-
-	auto string_builder::append_string(std::string_view const value) -> status
-	{
-		auto copy = *this;
-		for (auto const c : value)
-		{
-			if (auto const s = copy.append_char(c); s != status::success) { return s; }
-		}
-
-		*this = copy;
-		return status::success;
-	}
-
-	auto string_builder::append_int(i64 value, number_format const format) -> status
-	{
-		auto copy = *this;
-		if (value < 0)
-		{
-			if (auto const s = copy.append_char('-'); s != status::success) { return s; }
-			value += 1; // to prevent lossy conversion to unsigned
-			auto abs_value = static_cast<u64>(-value);
-			abs_value += 1; // to correct the previous offset
-			if (auto const s = copy.append_int(abs_value, format); s != status::success) { return s; }
-		}
-		else
-		{
-			if (auto const s = copy.append_int(static_cast<u64>(value), format); s != status::success) { return s; }
-		}
-
-		*this = copy;
-		return status::success;
-	}
-
-	auto string_builder::append_int(u64 value, number_format const format) -> status
-	{
-		constexpr auto max_string_length = u32{ 64 }; // worst case is a 64-bit integer in binary representation
-		constexpr auto digits = "0123456789abcdef";
-
-		auto copy = *this;
-		auto base = u64{ 10 };
-		auto prefix = "";
-		switch (format)
-		{
-			case number_format::binary:
-				prefix = "0b";
-				base = 2;
-				break;
-			case number_format::octal:
-				prefix = "0";
-				base = 8;
-				break;
-			case number_format::decimal:
-				break;
-			case number_format::hexadecimal:
-				prefix = "0x";
-				base = 16;
-				break;
-		}
-		if (auto const s = copy.append_string(prefix); s != status::success) { return s; }
-
-		char buf[max_string_length + 1] = {}; // null-terminated
-		auto pos = max_string_length;
-		// Go through each digit in reverse order by continuously dividing the integer by the base.
-		while (value)
-		{
-			pos--;
-
-			buf[pos] = digits[value % base]; // Convert digit to char representation
-			value /= base;
-		}
-		if (pos == max_string_length)
-		{
-			// Special case 0 would not print any character otherwise.
-			pos--;
-			buf[pos] = '0';
-		}
-
-		if (const auto s = copy.append_string(&buf[pos]); s != status::success) { return s; }
-
-		*this = copy;
-		return status::success;
-	}
-
-	auto string_builder::append_bool(bool const value) -> status
-	{
-		return append_string(value ? "true" : "false");
-	}
-
-	auto string_builder::append_format(std::string_view const fmt, format_arg const* args, u32 const arg_count) -> status
-	{
-		auto copy = *this;
-
-		// Go through the format string, inserting the arguments for the templates as necessary.
-		auto current_arg = u32{ 0 };
-		for (auto i = u32{ 0 }; i < fmt.length(); ++i)
-		{
-			if (fmt[i] == '{')
-			{
-				i += 1;
-
-				if (fmt[i] == '{') {
-					// escaped '{'
-					if (auto const s = copy.append_char('{'); s != status::success) { return s; }
-				}
-				else
-				{
-					// start of template
-					auto const params = &fmt[i]; // remember start position
-					auto params_length = u32{ 0 };
-					// skip to the end of the template
-					while (fmt[i] && fmt[i] != '}')
-					{
-						params_length++;
-						i++;
-					}
-					if (fmt[i] != '}')
-					{
-						// unmatched '{'
-						return status::error_invalid_format_string;
-					}
-
-					// end of template
-					auto const p = std::string_view{ params, params_length };
-					if (current_arg < arg_count)
-					{
-						if (auto const s = copy.append_format_arg(args[current_arg], p); s != status::success) { return s; }
-						current_arg += 1;
-					}
-					else
-					{
-						// missing argument in parameter pack
-						return status::error_invalid_format_string;
-					}
-				}
-			}
-			else if (fmt[i] == '}')
-			{
-				i += 1;
-
-				if (fmt[i] == '}')
-				{
-					// escaped '}'
-					if (auto const s = copy.append_char('}'); s != status::success) { return s; }
-				}
-				else
-				{
-					// unmatched '}'
-					return status::error_invalid_format_string;
-				}
-			}
-			else
-			{
-				// normal character in the template string
-				if (auto const s = copy.append_char(fmt[i]); s != status::success) { return s; }
-			}
-		}
-
-		if (current_arg < arg_count)
-		{
-			// not all supplied arguments were used
-			return status::error_invalid_format_string;
-		}
-
-		*this = copy;
-		return status::success;
-	}
-
-	auto string_builder::append_format_arg(format_arg const arg, std::string_view const params) -> status
-	{
-		auto const parse_params = [&]
-		{
-			if (!params.empty())
-			{
-				return status::error_invalid_format_string;
-			}
-
-			return status::success;
-		};
-
-		auto const parse_params_integer = [&](number_format& out_format)
-		{
-			if (params.empty() || params == "d")
-			{
-				out_format = number_format::decimal;
-			}
-			else if (params == "x")
-			{
-				out_format = number_format::hexadecimal;
-			}
-			else if (params == "o")
-			{
-				out_format = number_format::octal;
-			}
-			else if (params == "b")
-			{
-				out_format = number_format::binary;
-			}
-			else
-			{
-				return status::error_invalid_format_string;
-			}
-
-			return status::success;
-		};
-
-		switch (arg.type)
-		{
-			case format_arg_type::string:
-			{
-				if (auto const s = parse_params(); s != status::success) { return s; }
-				return append_string(arg.string);
-			}
-			case format_arg_type::character:
-			{
-				if (auto const s = parse_params(); s != status::success) { return s; }
-				return append_char(arg.character);
-			}
-			case format_arg_type::signed_integer:
-			{
-				auto format = number_format{};
-				if (auto const s = parse_params_integer(format); s != status::success) { return s; }
-				return append_int(arg.signed_integer, format);
-			}
-			case format_arg_type::unsigned_integer:
-			{
-				auto format = number_format{};
-				if (auto const s = parse_params_integer(format); s != status::success) { return s; }
-				return append_int(arg.unsigned_integer, format);
-			}
-			case format_arg_type::boolean:
-			{
-				if (auto const s = parse_params(); s != status::success) { return s; }
-				return append_bool(arg.character);
-			}
-		}
-
-		return status::error_invalid_format_string;
-	}
-} // namespace nes
\ No newline at end of file