Files
glest-source/source/shared_lib/sources/util/conversion.cpp
2019-02-05 00:31:53 +01:00

279 lines
6.8 KiB
C++

// This file is part of Glest <https://github.com/Glest>
//
// Copyright (C) 2018 The Glest team
//
// Glest is a fork of MegaGlest <https://megaglest.org/>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>
#include "conversion.h"
#include <stdexcept>
#include <cstdio>
#include <cstdlib>
#include "platform_common.h"
#include <sstream>
#include <iostream>
#include <locale>
#include "platform_util.h"
#include <limits>
#include "leak_dumper.h"
using namespace std;
namespace Shared {
namespace Util {
const int strSize = 256;
bool iequals(const string& a, const string& b) {
size_t sz = a.size();
if (b.size() != sz)
return false;
for (size_t i = 0; i < sz; ++i)
if (tolower(a[i]) != tolower(b[i]))
return false;
return true;
}
bool strToBool(const string &s) {
if (s == "0" || iequals(s, "false")) {
return false;
}
if (s == "1" || iequals(s, "true")) {
return true;
}
throw game_runtime_error("Error converting string to bool, expected 0 or 1, found: [" + s + "]");
}
int strToInt(const string &s) {
char *endChar;
setlocale(LC_NUMERIC, "C");
int intValue = strtol(s.c_str(), &endChar, 10);
if (*endChar != '\0') {
throw game_runtime_error("Error converting from string to int, found: [" + s + "]");
}
return intValue;
}
uint32 strToUInt(const string &s) {
char *endChar;
setlocale(LC_NUMERIC, "C");
uint32 intValue = strtoul(s.c_str(), &endChar, 10);
if (*endChar != '\0') {
throw game_runtime_error("Error converting from string to uint, found: [" + s + "]");
}
return intValue;
}
float strToFloat(const string &s) {
char *endChar;
setlocale(LC_NUMERIC, "C");
float floatValue = static_cast<float>(strtod(s.c_str(), &endChar));
if (*endChar != '\0') {
throw game_runtime_error("Error converting from string to float, found: [" + s + "]");
}
return floatValue;
}
bool strToBool(const string &s, bool *b) {
if (s == "0" || iequals(s, "false")) {
*b = false;
return true;
}
if (s == "1" || iequals(s, "true")) {
*b = true;
return true;
}
return false;
}
bool strToInt(const string &s, int *i) {
char *endChar;
setlocale(LC_NUMERIC, "C");
*i = strtol(s.c_str(), &endChar, 10);
if (*endChar != '\0') {
return false;
}
return true;
}
bool strToUInt(const string &s, uint32 *i) {
char *endChar;
setlocale(LC_NUMERIC, "C");
*i = strtoul(s.c_str(), &endChar, 10);
if (*endChar != '\0') {
return false;
}
return true;
}
bool strToFloat(const string &s, float *f) {
char *endChar;
setlocale(LC_NUMERIC, "C");
*f = static_cast<float>(strtod(s.c_str(), &endChar));
if (*endChar != '\0') {
return false;
}
return true;
}
string boolToStr(bool b) {
if (b) {
return "1";
} else {
return "0";
}
}
string intToStr(const int64 value) {
char str[strSize] = "";
// static int MAX_INT_VALUE = std::numeric_limits<int>::max();
// if(value <= MAX_INT_VALUE) {
// snprintf(str, strSize-1, "%d", (int)value);
// }
// else {
snprintf(str, strSize - 1, "%lld", (long long int)value);
// }
return (str[0] != '\0' ? str : "");
}
string uIntToStr(const uint64 value) {
char str[strSize] = "";
// static unsigned int MAX_UNSIGNED_INT_VALUE = std::numeric_limits<unsigned int>::max();
// if(value <= MAX_UNSIGNED_INT_VALUE) {
// snprintf(str, strSize-1, "%u", (int)value);
// }
// else {
snprintf(str, strSize - 1, "%llu", (long long unsigned int)value);
// }
return (str[0] != '\0' ? str : "");
}
string intToHex(int i) {
char str[strSize] = "";
snprintf(str, strSize - 1, "%x", i);
return (str[0] != '\0' ? str : "");
}
string floatToStr(float f, int precision) {
setlocale(LC_NUMERIC, "C");
char str[strSize] = "";
snprintf(str, strSize - 1, "%.*f", precision, f);
return (str[0] != '\0' ? str : "");
}
string doubleToStr(double d, int precision) {
setlocale(LC_NUMERIC, "C");
char str[strSize] = "";
snprintf(str, strSize - 1, "%.*f", precision, d);
return (str[0] != '\0' ? str : "");
}
bool IsNumeric(const char *p, bool allowNegative) {
if (p == NULL) {
return false;
}
if (strcmp(p, "-") == 0) {
return false;
}
int index = 0;
for (; *p; p++) {
if (*p < '0' || *p > '9') {
if (allowNegative == false || (*p != '-' && index == 0)) {
return false;
}
}
index++;
}
return true;
}
class Comma : public numpunct<char>// own facet class
{
protected:
//char do_thousands_sep() const { return ','; }// use the comma
//string do_grouping() const { return "\3"; }//group 3 digits
};
string formatNumber(uint64 f) {
locale myloc(locale(), // C++ default locale
new Comma);// Own numeric facet
ostringstream out;
out.imbue(myloc);
out << f;
return out.str();
}
double getTimeDurationMinutes(int frames, int updateFps) {
int framesleft = frames;
double hours = (int) ((int) frames / (float) updateFps / 3600.0f);
framesleft = (int) (framesleft - hours * 3600 * updateFps);
double minutes = (int) ((int) framesleft / (float) updateFps / 60.0f);
framesleft = (int) (framesleft - minutes * 60 * updateFps);
double seconds = (int) ((int) framesleft / (float) updateFps);
double result = (hours * 60.0) + minutes;
if (seconds > 0) {
result += seconds / 60.0;
}
return result;
}
string getTimeDurationString(int frames, int updateFps) {
int framesleft = frames;
int hours = (int) ((int) frames / (float) updateFps / 3600.0f);
framesleft = framesleft - hours * 3600 * updateFps;
int minutes = (int) ((int) framesleft / (float) updateFps / 60.0f);
framesleft = framesleft - minutes * 60 * updateFps;
int seconds = (int) ((int) framesleft / (float) updateFps);
//framesleft=framesleft-seconds*GameConstants::updateFps;
string hourstr = intToStr(hours);
if (hours < 10) {
hourstr = "0" + hourstr;
}
string minutestr = intToStr(minutes);
if (minutes < 10) {
minutestr = "0" + minutestr;
}
string secondstr = intToStr(seconds);
if (seconds < 10) {
secondstr = "0" + secondstr;
}
return hourstr + ":" + minutestr + ":" + secondstr;
}
}
} //end namespace