QGIS/external/mdal/mdal_utils.hpp

88 lines
2.6 KiB
C++

/*
MDAL - Mesh Data Abstraction Library (MIT License)
Copyright (C) 2018 Peter Petrik (zilolv at gmail dot com)
*/
#ifndef MDAL_UTILS_HPP
#define MDAL_UTILS_HPP
#include <string>
#include <vector>
#include <stddef.h>
#include <limits>
#include "mdal_defines.hpp"
// avoid unused variable warnings
#define MDAL_UNUSED(x) (void)x;
namespace MDAL
{
// numbers
bool equals( double val1, double val2, double eps = std::numeric_limits<double>::epsilon() );
// debugging
void debug( const std::string &message );
/** Return whether file exists */
bool fileExists( const std::string &filename );
std::string baseName( const std::string &filename );
// strings
enum ContainsBehaviour
{
CaseSensitive,
CaseInsensitive
};
bool startsWith( const std::string &str, const std::string &substr, ContainsBehaviour behaviour = CaseSensitive );
bool endsWith( const std::string &str, const std::string &substr, ContainsBehaviour behaviour = CaseSensitive );
bool contains( const std::string &str, const std::string &substr, ContainsBehaviour behaviour = CaseSensitive );
bool contains( const std::vector<std::string> &list, const std::string &str );
std::string replace( const std::string &str, const std::string &substr, const std::string &replacestr, ContainsBehaviour behaviour = CaseSensitive );
std::string toLower( const std::string &std );
/** Return 0 if not possible to convert */
size_t toSizeT( const std::string &str );
double toDouble( const std::string &str );
bool toBool( const std::string &str );
enum SplitBehaviour
{
SkipEmptyParts,
KeepEmptyParts
};
std::vector<std::string> split( const std::string &str, const std::string &delimiter, SplitBehaviour behaviour );
std::string join( const std::vector<std::string> parts, const std::string &delimiter );
// http://www.cplusplus.com/faq/sequences/strings/trim/
inline std::string rtrim(
const std::string &s,
const std::string &delimiters = " \f\n\r\t\v" )
{
return s.substr( 0, s.find_last_not_of( delimiters ) + 1 );
}
// http://www.cplusplus.com/faq/sequences/strings/trim/
inline std::string ltrim(
const std::string &s,
const std::string &delimiters = " \f\n\r\t\v" )
{
return s.substr( s.find_first_not_of( delimiters ) );
}
// http://www.cplusplus.com/faq/sequences/strings/trim/
inline std::string trim(
const std::string &s,
const std::string &delimiters = " \f\n\r\t\v" )
{
return ltrim( rtrim( s, delimiters ), delimiters );
}
// extent
BBox computeExtent( const Vertices &vertices );
} // namespace MDAL
#endif //MDAL_UTILS_HPP