Function convert_buffer

Tools/EditorFramework/pugixml.cpp:1451–1500

}

PUGI__FN bool convert_buffer(
	char_t*& out_buffer,
	size_t& out_length,
	xml_encoding encoding,
	const void* contents,
	size_t size,
	bool is_mutable)
{
	// get native encoding
	xml_encoding wchar_encoding = get_wchar_encoding();

	// fast path: no conversion required
	if (encoding == wchar_encoding)
		return get_mutable_buffer(out_buffer, out_length, contents, size, is_mutable);

	// only endian-swapping is required
	if (need_endian_swap_utf(encoding, wchar_encoding))
		return convert_buffer_endian_swap(out_buffer, out_length, contents, size, is_mutable);

	// source encoding is utf8
	if (encoding == encoding_utf8)
		return convert_buffer_utf8(out_buffer, out_length, contents, size);

	// source encoding is utf16
	if (encoding == encoding_utf16_be || encoding == encoding_utf16_le)
	{
		xml_encoding native_encoding = is_little_endian() ? encoding_utf16_le : encoding_utf16_be;

		return (native_encoding == encoding)
			? convert_buffer_utf16(out_buffer, out_length, contents, size, opt_false())
			: convert_buffer_utf16(out_buffer, out_length, contents, size, opt_true());
	}

	// source encoding is utf32
	if (encoding == encoding_utf32_be || encoding == encoding_utf32_le)
	{
		xml_encoding native_encoding = is_little_endian() ? encoding_utf32_le : encoding_utf32_be;

		return (native_encoding == encoding)
			? convert_buffer_utf32(out_buffer, out_length, contents, size, opt_false())
			: convert_buffer_utf32(out_buffer, out_length, contents, size, opt_true());
	}

	// source encoding is latin1
	if (encoding == encoding_latin1)
		return convert_buffer_latin1(out_buffer, out_length, contents, size);

	assert(!"Invalid encoding");
	return false;
}
#else
template<typename opt_swap>
PUGI__FN bool convert_buffer_utf16(char_t*& out_buffer, size_t& out_length, const void* contents, size_t size, opt_swap)