Function SlStdString

src/saveload/saveload.cpp:1050–1091

* Save/Load a \c std::string. * @param ptr the string being manipulated * @param conv must be SLE_FILE_STRING */

 * @param conv must be SLE_FILE_STRING
 */
static void SlStdString(void *ptr, VarType conv)
{
	std::string *str = reinterpret_cast<std::string *>(ptr);

	switch (_sl.action) {
		case SLA_SAVE: {
			size_t len = str->length();
			SlWriteArrayLength(len);
			SlCopyBytes(const_cast<void *>(static_cast<const void *>(str->data())), len);
			break;
		}

		case SLA_LOAD_CHECK:
		case SLA_LOAD: {
			size_t len = SlReadArrayLength();
			if (GetVarMemType(conv) == SLE_VAR_NULL) {
				SlSkipBytes(len);
				return;
			}

			SlReadString(*str, len);

			StringValidationSettings settings = StringValidationSetting::ReplaceWithQuestionMark;
			if ((conv & SLF_ALLOW_CONTROL) != 0) {
				settings.Set(StringValidationSetting::AllowControlCode);
				if (IsSavegameVersionBefore(SLV_ENCODED_STRING_FORMAT)) FixSCCEncoded(*str, IsSavegameVersionBefore(SLV_169));
				if (IsSavegameVersionBefore(SLV_FIX_SCC_ENCODED_NEGATIVE)) FixSCCEncodedNegative(*str);
			}
			if ((conv & SLF_ALLOW_NEWLINE) != 0) {
				settings.Set(StringValidationSetting::AllowNewline);
			}
			if ((conv & SLF_REPLACE_TABCRLF) != 0) {
				settings.Set(StringValidationSetting::ReplaceTabCrNlWithSpace);
			}
			StrMakeValidInPlace(*str, settings);
		}

		case SLA_PTRS: break;
		case SLA_NULL: break;
		default: NOT_REACHED();
	}
}

/**
 * Internal function to save/Load a list of SL_VARs.