Gabriele Cosmo
324 lines
8.8 KiB
C++
324 lines
8.8 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// G4UIparsing
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//
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// Utilities for parsing/checking inputs in G4UIparameter/G4UIcommand
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#ifndef G4UIparsing_hh
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#define G4UIparsing_hh 1
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#include "G4UItokenNum.hh"
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#include "globals.hh"
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#include <cctype>
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class G4UIparameter;
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class G4UIcommand;
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namespace G4UIparsing
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{
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// Convert G4String to value of type T
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template<typename T>
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inline T StoT(const G4String& s)
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{
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T vl;
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std::istringstream is(s);
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is >> vl;
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return vl;
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}
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// Convert value of type T to G4String
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template<typename T>
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inline G4String TtoS(T value)
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{
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std::ostringstream os;
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os << value;
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return os.str();
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}
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// Check if the value is within the range of (long) int
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inline G4bool ChkMax(const char* str, short maxDigits)
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{
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if(maxDigits > 10) {
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// long int assumed
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auto tmpval = std::stoll(str);
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if(tmpval > LONG_MAX || tmpval < LONG_MIN) {
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G4cerr << "input string '" << str << "' out-of-range for conversion to 'long int' value" << G4endl;
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return false;
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}
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} else {
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// int assumed
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auto tmpval = std::stol(str);
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if(tmpval > INT_MAX || tmpval < INT_MIN) {
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G4cerr << "input string '" << str << "' out-of-range for conversion to 'int' value" << G4endl;
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return false;
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}
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}
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return true;
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}
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// Return true if `str` parses to an integral number no more than `maxDigit` digits
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inline G4bool IsInt(const char* str, short maxDigits)
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{
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const char* p = str;
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G4int length = 0;
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if (*p == '+' || *p == '-') {
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++p;
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}
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if (isdigit((G4int)(*p)) != 0) {
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while (isdigit((G4int)(*p)) != 0) {
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++p;
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++length;
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}
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if (*p == '\0') {
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if (length > maxDigits) {
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G4cerr << "digit length exceeds" << G4endl;
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return false;
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}
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return ChkMax(str,maxDigits);
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}
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}
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return false;
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}
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// Return true if `str` parses to an exponent
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//
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// A valid exponent is an integer of no more than 7 digits
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inline G4bool ExpectExponent(const char* str)
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{
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return IsInt(str, 7);
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}
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inline G4bool IsDouble(const char* str)
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{
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const char* p = str;
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switch (*p) {
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case '+':
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case '-':
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++p;
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if (isdigit(*p) != 0) {
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while (isdigit((G4int)(*p)) != 0) {
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++p;
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}
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switch (*p) {
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case '\0':
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return true; // break;
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case 'E':
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case 'e':
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return ExpectExponent(++p); // break;
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case '.':
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++p;
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if (*p == '\0') {
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return true;
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}
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if (*p == 'e' || *p == 'E') {
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return ExpectExponent(++p);
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}
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if (isdigit(*p) != 0) {
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while (isdigit((G4int)(*p)) != 0) {
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++p;
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}
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if (*p == '\0') {
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return true;
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}
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if (*p == 'e' || *p == 'E') {
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return ExpectExponent(++p);
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}
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}
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else {
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return false;
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}
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break;
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default:
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return false;
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}
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}
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if (*p == '.') {
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++p;
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if (isdigit(*p) != 0) {
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while (isdigit((G4int)(*p)) != 0) {
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++p;
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}
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if (*p == '\0') {
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return true;
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}
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if (*p == 'e' || *p == 'E') {
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return ExpectExponent(++p);
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}
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}
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}
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break;
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case '.':
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++p;
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if (isdigit(*p) != 0) {
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while (isdigit((G4int)(*p)) != 0) {
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++p;
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}
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if (*p == '\0') {
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return true;
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}
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if (*p == 'e' || *p == 'E') {
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return ExpectExponent(++p);
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}
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}
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break;
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default: // digit is expected
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if (isdigit(*p) != 0) {
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while (isdigit((G4int)(*p)) != 0) {
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++p;
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}
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if (*p == '\0') {
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return true;
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}
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if (*p == 'e' || *p == 'E') {
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return ExpectExponent(++p);
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}
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if (*p == '.') {
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++p;
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if (*p == '\0') {
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return true;
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}
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if (*p == 'e' || *p == 'E') {
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return ExpectExponent(++p);
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}
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if (isdigit(*p) != 0) {
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while (isdigit((G4int)(*p)) != 0) {
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++p;
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}
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if (*p == '\0') {
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return true;
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}
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if (*p == 'e' || *p == 'E') {
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return ExpectExponent(++p);
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}
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}
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}
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}
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}
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return false;
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}
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// --------------------------------------------------------------------
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inline G4int CompareInt(G4int arg1, G4int op, G4int arg2, G4int& errCode)
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{
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G4int result = -1;
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switch (op) {
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case G4UItokenNum::GT:
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result = static_cast<G4int>(arg1 > arg2);
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break;
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case G4UItokenNum::GE:
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result = static_cast<G4int>(arg1 >= arg2);
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break;
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case G4UItokenNum::LT:
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result = static_cast<G4int>(arg1 < arg2);
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break;
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case G4UItokenNum::LE:
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result = static_cast<G4int>(arg1 <= arg2);
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break;
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case G4UItokenNum::EQ:
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result = static_cast<G4int>(arg1 == arg2);
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break;
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case G4UItokenNum::NE:
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result = static_cast<G4int>(arg1 != arg2);
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break;
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default:
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G4cerr << "Parameter range: error at CompareInt" << G4endl;
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errCode = 1;
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}
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return result;
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}
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// --------------------------------------------------------------------
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inline G4int CompareLong(G4long arg1, G4int op, G4long arg2, G4int& errCode)
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{
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G4int result = -1;
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switch (op) {
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case G4UItokenNum::GT:
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result = static_cast<G4int>(arg1 > arg2);
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break;
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case G4UItokenNum::GE:
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result = static_cast<G4int>(arg1 >= arg2);
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break;
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case G4UItokenNum::LT:
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result = static_cast<G4int>(arg1 < arg2);
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break;
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case G4UItokenNum::LE:
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result = static_cast<G4int>(arg1 <= arg2);
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break;
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case G4UItokenNum::EQ:
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result = static_cast<G4int>(arg1 == arg2);
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break;
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case G4UItokenNum::NE:
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result = static_cast<G4int>(arg1 != arg2);
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break;
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default:
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G4cerr << "Parameter range: error at CompareInt" << G4endl;
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errCode = 1;
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}
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return result;
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}
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// --------------------------------------------------------------------
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inline G4int CompareDouble(G4double arg1, G4int op, G4double arg2, G4int& errCode)
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{
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G4int result = -1;
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switch (op) {
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case G4UItokenNum::GT:
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result = static_cast<G4int>(arg1 > arg2);
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break;
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case G4UItokenNum::GE:
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result = static_cast<G4int>(arg1 >= arg2);
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break;
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case G4UItokenNum::LT:
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result = static_cast<G4int>(arg1 < arg2);
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break;
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case G4UItokenNum::LE:
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result = static_cast<G4int>(arg1 <= arg2);
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break;
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case G4UItokenNum::EQ:
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result = static_cast<G4int>(arg1 == arg2);
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break;
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case G4UItokenNum::NE:
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result = static_cast<G4int>(arg1 != arg2);
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break;
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default:
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G4cerr << "Parameter range: error at CompareDouble" << G4endl;
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errCode = 1;
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}
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return result;
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}
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// --------------------------------------------------------------------
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// Return true if parameter is within range expression value
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G4bool RangeCheck(const G4UIparameter& p, const char* value);
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// Return true if command's parameters are within range expression value
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G4bool RangeCheck(const G4UIcommand& p, const char* value);
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} // namespace G4UIparsing
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#endif
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