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110 lines
3.7 KiB
C++
110 lines
3.7 KiB
C++
/*
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* Created by Martin on 25/07/2017.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#include "catch_string_manip.h"
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#include "catch_stringref.h"
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#include <algorithm>
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#include <ostream>
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#include <cstring>
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#include <cctype>
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#include <vector>
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namespace Catch {
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namespace {
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char toLowerCh(char c) {
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return static_cast<char>( std::tolower( static_cast<unsigned char>(c) ) );
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}
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}
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bool startsWith( std::string const& s, std::string const& prefix ) {
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return s.size() >= prefix.size() && std::equal(prefix.begin(), prefix.end(), s.begin());
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}
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bool startsWith( std::string const& s, char prefix ) {
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return !s.empty() && s[0] == prefix;
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}
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bool endsWith( std::string const& s, std::string const& suffix ) {
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return s.size() >= suffix.size() && std::equal(suffix.rbegin(), suffix.rend(), s.rbegin());
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}
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bool endsWith( std::string const& s, char suffix ) {
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return !s.empty() && s[s.size()-1] == suffix;
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}
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bool contains( std::string const& s, std::string const& infix ) {
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return s.find( infix ) != std::string::npos;
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}
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void toLowerInPlace( std::string& s ) {
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std::transform( s.begin(), s.end(), s.begin(), toLowerCh );
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}
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std::string toLower( std::string const& s ) {
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std::string lc = s;
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toLowerInPlace( lc );
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return lc;
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}
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std::string trim( std::string const& str ) {
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static char const* whitespaceChars = "\n\r\t ";
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std::string::size_type start = str.find_first_not_of( whitespaceChars );
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std::string::size_type end = str.find_last_not_of( whitespaceChars );
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return start != std::string::npos ? str.substr( start, 1+end-start ) : std::string();
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}
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StringRef trim(StringRef ref) {
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const auto is_ws = [](char c) {
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return c == ' ' || c == '\t' || c == '\n' || c == '\r';
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};
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size_t real_begin = 0;
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while (real_begin < ref.size() && is_ws(ref[real_begin])) { ++real_begin; }
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size_t real_end = ref.size();
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while (real_end > real_begin && is_ws(ref[real_end - 1])) { --real_end; }
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return ref.substr(real_begin, real_end - real_begin);
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}
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bool replaceInPlace( std::string& str, std::string const& replaceThis, std::string const& withThis ) {
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bool replaced = false;
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std::size_t i = str.find( replaceThis );
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while( i != std::string::npos ) {
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replaced = true;
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str = str.substr( 0, i ) + withThis + str.substr( i+replaceThis.size() );
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if( i < str.size()-withThis.size() )
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i = str.find( replaceThis, i+withThis.size() );
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else
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i = std::string::npos;
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}
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return replaced;
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}
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std::vector<StringRef> splitStringRef( StringRef str, char delimiter ) {
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std::vector<StringRef> subStrings;
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std::size_t start = 0;
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for(std::size_t pos = 0; pos < str.size(); ++pos ) {
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if( str[pos] == delimiter ) {
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if( pos - start > 1 )
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subStrings.push_back( str.substr( start, pos-start ) );
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start = pos+1;
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}
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}
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if( start < str.size() )
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subStrings.push_back( str.substr( start, str.size()-start ) );
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return subStrings;
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}
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pluralise::pluralise( std::size_t count, std::string const& label )
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: m_count( count ),
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m_label( label )
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{}
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std::ostream& operator << ( std::ostream& os, pluralise const& pluraliser ) {
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os << pluraliser.m_count << ' ' << pluraliser.m_label;
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if( pluraliser.m_count != 1 )
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os << 's';
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return os;
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}
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}
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