Catch/include/internal/catch_common.hpp
Martin Hořeňovský bcaa2f9646 Use char literal instead of string literal with 1 char
In reality, this is a relatively small performance improvement,
especially with the previous improvements removing lots of superfluous
string handling, but still was measurable.
2017-01-29 23:07:15 +01:00

122 lines
4.2 KiB
C++

/*
* Created by Phil on 27/11/2013.
* Copyright 2013 Two Blue Cubes Ltd. All rights reserved.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#ifndef TWOBLUECUBES_CATCH_COMMON_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_COMMON_HPP_INCLUDED
#include "catch_common.h"
#include <cstring>
namespace Catch {
bool startsWith( std::string const& s, std::string const& prefix ) {
return s.size() >= prefix.size() && std::equal(prefix.begin(), prefix.end(), s.begin());
}
bool startsWith( std::string const& s, char prefix ) {
return !s.empty() && s[0] == prefix;
}
bool endsWith( std::string const& s, std::string const& suffix ) {
return s.size() >= suffix.size() && std::equal(suffix.rbegin(), suffix.rend(), s.rbegin());
}
bool endsWith( std::string const& s, char suffix ) {
return !s.empty() && s[s.size()-1] == suffix;
}
bool contains( std::string const& s, std::string const& infix ) {
return s.find( infix ) != std::string::npos;
}
bool contains( std::string const& s, char infix ) {
return s.find(infix) != std::string::npos;
}
char toLowerCh(char c) {
return static_cast<char>( ::tolower( c ) );
}
void toLowerInPlace( std::string& s ) {
std::transform( s.begin(), s.end(), s.begin(), toLowerCh );
}
std::string toLower( std::string const& s ) {
std::string lc = s;
toLowerInPlace( lc );
return lc;
}
std::string trim( std::string const& str ) {
static char const* whitespaceChars = "\n\r\t ";
std::string::size_type start = str.find_first_not_of( whitespaceChars );
std::string::size_type end = str.find_last_not_of( whitespaceChars );
return start != std::string::npos ? str.substr( start, 1+end-start ) : std::string();
}
bool replaceInPlace( std::string& str, std::string const& replaceThis, std::string const& withThis ) {
bool replaced = false;
std::size_t i = str.find( replaceThis );
while( i != std::string::npos ) {
replaced = true;
str = str.substr( 0, i ) + withThis + str.substr( i+replaceThis.size() );
if( i < str.size()-withThis.size() )
i = str.find( replaceThis, i+withThis.size() );
else
i = std::string::npos;
}
return replaced;
}
pluralise::pluralise( std::size_t count, std::string const& label )
: m_count( count ),
m_label( label )
{}
std::ostream& operator << ( std::ostream& os, pluralise const& pluraliser ) {
os << pluraliser.m_count << ' ' << pluraliser.m_label;
if( pluraliser.m_count != 1 )
os << 's';
return os;
}
SourceLineInfo::SourceLineInfo() : file(""), line( 0 ){}
SourceLineInfo::SourceLineInfo( char const* _file, std::size_t _line )
: file( _file ),
line( _line )
{}
bool SourceLineInfo::empty() const {
return file[0] == '\0';
}
bool SourceLineInfo::operator == ( SourceLineInfo const& other ) const {
return line == other.line && (file == other.file || std::strcmp(file, other.file) == 0);
}
bool SourceLineInfo::operator < ( SourceLineInfo const& other ) const {
return line < other.line || ( line == other.line && (std::strcmp(file, other.file) < 0));
}
void seedRng( IConfig const& config ) {
if( config.rngSeed() != 0 )
std::srand( config.rngSeed() );
}
unsigned int rngSeed() {
return getCurrentContext().getConfig()->rngSeed();
}
std::ostream& operator << ( std::ostream& os, SourceLineInfo const& info ) {
#ifndef __GNUG__
os << info.file << '(' << info.line << ')';
#else
os << info.file << ':' << info.line;
#endif
return os;
}
void throwLogicError( std::string const& message, SourceLineInfo const& locationInfo ) {
std::ostringstream oss;
oss << locationInfo << ": Internal Catch error: '" << message << '\'';
if( alwaysTrue() )
throw std::logic_error( oss.str() );
}
}
#endif // TWOBLUECUBES_CATCH_COMMON_HPP_INCLUDED