FFaStringExt.H

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// SPDX-FileCopyrightText: 2023 SAP SE
//
// SPDX-License-Identifier: Apache-2.0
//
// This file is part of FEDEM - https://openfedem.org
 
#ifndef FFA_STRING_EXT_H
#define FFA_STRING_EXT_H
 
#include <string>
#include <cstdio>
#include <cctype>
 
 
class FFaNumStr : public std::string
{
public:
  FFaNumStr(const char* format, int val)
  {
    char buf[128];
    snprintf(buf,128,format,val);
    append(buf);
  }
 
  FFaNumStr(const char* format, size_t val)
  {
    char buf[128];
    snprintf(buf,128,format,val);
    append(buf);
  }
 
  FFaNumStr(const char* format, float val)
  {
    char buf[128];
    snprintf(buf,128,format,val);
    append(buf);
  }
 
  FFaNumStr(const char* format, double val)
  {
    char buf[128];
    snprintf(buf,128,format,val);
    append(buf);
  }
 
  FFaNumStr(int val)          { this->append(std::to_string(val)); }
  FFaNumStr(unsigned int val) { this->append(std::to_string(val)); }
  FFaNumStr(long int val)     { this->append(std::to_string(val)); }
 
  // These two constructors are documented in the C-file.
  FFaNumStr(double val, char f = 'g', int precision = 6);
  FFaNumStr(double val, int integerDigits, int precision = 12,
        double ceiling = 1.0e+7, double floor = 1.0e-5,
        bool useDigitGrouping = false);
};
 
 
class FFaLowerCaseString : public std::string
{
public:
  FFaLowerCaseString(const std::string& s)
  {
    this->reserve(s.length());
    for (size_t i = 0; i < s.length(); i++)
      this->operator+=(tolower(s[i]));
  }
};
 
 
class FFaUpperCaseString : public std::string
{
public:
  FFaUpperCaseString(const std::string& s)
  {
    this->reserve(s.length());
    for (size_t i = 0; i < s.length(); i++)
      this->operator+=(toupper(s[i]));
  }
};
 
 
class FFaString : public std::string
{
public:
  FFaString(const std::string& s) : std::string(s) {}
  bool hasSubString(const char*) const;
  int getIntAfter(const char*) const;
  double getDoubleAfter(const char*) const;
  int  getIntsAfter(const char*, const int, int*) const;
  int getDoublesAfter(const char*, const int, double*) const;
  std::string getTextAfter(const char*, const char* end = NULL) const;
 
private:
  size_t getPosAfterString(const char*) const;
};
 
#endif