Method StringToInt

tools/shell/shell.cpp:623–662

** Interpret zArg as an integer value, possibly with suffixes. */

** Interpret zArg as an integer value, possibly with suffixes.
*/
int64_t ShellState::StringToInt(const string &arg) {
	int64_t v = 0;
	static const struct {
		const char *zSuffix;
		int iMult;
	} aMult[] = {
	    {"KiB", 1024}, {"MiB", 1024 * 1024}, {"GiB", 1024 * 1024 * 1024},
	    {"KB", 1000},  {"MB", 1000000},      {"GB", 1000000000},
	    {"K", 1000},   {"M", 1000000},       {"G", 1000000000},
	};
	int i;
	int isNeg = 0;
	auto zArg = arg.c_str();
	if (zArg[0] == '-') {
		isNeg = 1;
		zArg++;
	} else if (zArg[0] == '+') {
		zArg++;
	}
	if (zArg[0] == '0' && zArg[1] == 'x') {
		int x;
		zArg += 2;
		while ((x = hexDigitValue(zArg[0])) >= 0) {
			v = (v << 4) + x;
			zArg++;
		}
	} else {
		while (IsDigit(zArg[0])) {
			v = v * 10 + zArg[0] - '0';
			zArg++;
		}
	}
	for (i = 0; i < ArraySize(aMult); i++) {
		if (StringUtil::CIEquals(aMult[i].zSuffix, zArg)) {
			v *= aMult[i].iMult;
			break;
		}
	}
	return isNeg ? -v : v;
}

string ShellState::ModeToString(RenderMode mode) {
	switch (mode) {