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Cleanup string matchers 

Removed nested `StdString` namespace and added Doxygen comments.
Also renamed some matchers to avoid colisions now that there are
less separate namespaces for matchers to go to. Since this is a
breaking release anyway, it shouldn't matter, and the factory
functions that the users should use remain the same anyway.
This commit is contained in:
Martin Hořeňovský 2020-03-28 13:01:48 +01:00
parent afc8b28c07
commit 904c47a634
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GPG Key ID: DE48307B8B0D381A
2 changed files with 137 additions and 145 deletions
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184
src/catch2/matchers/catch_matchers_string.cpp
View File

@ -12,103 +12,99 @@
namespace Catch {
namespace Matchers {
namespace StdString {
CasedString::CasedString( std::string const& str, CaseSensitive::Choice caseSensitivity )
: m_caseSensitivity( caseSensitivity ),
m_str( adjustString( str ) )
{}
std::string CasedString::adjustString( std::string const& str ) const {
return m_caseSensitivity == CaseSensitive::No
? toLower( str )
: str;
}
std::string CasedString::caseSensitivitySuffix() const {
return m_caseSensitivity == CaseSensitive::No
? " (case insensitive)"
: std::string();
}
StringMatcherBase::StringMatcherBase( std::string const& operation, CasedString const& comparator )
: m_comparator( comparator ),
m_operation( operation ) {
}
std::string StringMatcherBase::describe() const {
std::string description;
description.reserve(5 + m_operation.size() + m_comparator.m_str.size() +
m_comparator.caseSensitivitySuffix().size());
description += m_operation;
description += ": \"";
description += m_comparator.m_str;
description += "\"";
description += m_comparator.caseSensitivitySuffix();
return description;
}
EqualsMatcher::EqualsMatcher( CasedString const& comparator ) : StringMatcherBase( "equals", comparator ) {}
bool EqualsMatcher::match( std::string const& source ) const {
return m_comparator.adjustString( source ) == m_comparator.m_str;
}
ContainsMatcher::ContainsMatcher( CasedString const& comparator ) : StringMatcherBase( "contains", comparator ) {}
bool ContainsMatcher::match( std::string const& source ) const {
return contains( m_comparator.adjustString( source ), m_comparator.m_str );
}
StartsWithMatcher::StartsWithMatcher( CasedString const& comparator ) : StringMatcherBase( "starts with", comparator ) {}
bool StartsWithMatcher::match( std::string const& source ) const {
return startsWith( m_comparator.adjustString( source ), m_comparator.m_str );
}
EndsWithMatcher::EndsWithMatcher( CasedString const& comparator ) : StringMatcherBase( "ends with", comparator ) {}
bool EndsWithMatcher::match( std::string const& source ) const {
return endsWith( m_comparator.adjustString( source ), m_comparator.m_str );
}
RegexMatcher::RegexMatcher(std::string regex, CaseSensitive::Choice caseSensitivity): m_regex(std::move(regex)), m_caseSensitivity(caseSensitivity) {}
bool RegexMatcher::match(std::string const& matchee) const {
auto flags = std::regex::ECMAScript; // ECMAScript is the default syntax option anyway
if (m_caseSensitivity == CaseSensitive::Choice::No) {
flags |= std::regex::icase;
}
auto reg = std::regex(m_regex, flags);
return std::regex_match(matchee, reg);
}
std::string RegexMatcher::describe() const {
return "matches " + ::Catch::Detail::stringify(m_regex) + ((m_caseSensitivity == CaseSensitive::Choice::Yes)? " case sensitively" : " case insensitively");
}
} // namespace StdString
StdString::EqualsMatcher Equals( std::string const& str, CaseSensitive::Choice caseSensitivity ) {
return StdString::EqualsMatcher( StdString::CasedString( str, caseSensitivity) );
CasedString::CasedString( std::string const& str, CaseSensitive::Choice caseSensitivity )
: m_caseSensitivity( caseSensitivity ),
m_str( adjustString( str ) )
{}
std::string CasedString::adjustString( std::string const& str ) const {
return m_caseSensitivity == CaseSensitive::No
? toLower( str )
: str;
}
StdString::ContainsMatcher Contains( std::string const& str, CaseSensitive::Choice caseSensitivity ) {
return StdString::ContainsMatcher( StdString::CasedString( str, caseSensitivity) );
}
StdString::EndsWithMatcher EndsWith( std::string const& str, CaseSensitive::Choice caseSensitivity ) {
return StdString::EndsWithMatcher( StdString::CasedString( str, caseSensitivity) );
}
StdString::StartsWithMatcher StartsWith( std::string const& str, CaseSensitive::Choice caseSensitivity ) {
return StdString::StartsWithMatcher( StdString::CasedString( str, caseSensitivity) );
std::string CasedString::caseSensitivitySuffix() const {
return m_caseSensitivity == CaseSensitive::No
? " (case insensitive)"
: std::string();
}
StdString::RegexMatcher Matches(std::string const& regex, CaseSensitive::Choice caseSensitivity) {
return StdString::RegexMatcher(regex, caseSensitivity);
StringMatcherBase::StringMatcherBase( std::string const& operation, CasedString const& comparator )
: m_comparator( comparator ),
m_operation( operation ) {
}
std::string StringMatcherBase::describe() const {
std::string description;
description.reserve(5 + m_operation.size() + m_comparator.m_str.size() +
m_comparator.caseSensitivitySuffix().size());
description += m_operation;
description += ": \"";
description += m_comparator.m_str;
description += "\"";
description += m_comparator.caseSensitivitySuffix();
return description;
}
StringEqualsMatcher::StringEqualsMatcher( CasedString const& comparator ) : StringMatcherBase( "equals", comparator ) {}
bool StringEqualsMatcher::match( std::string const& source ) const {
return m_comparator.adjustString( source ) == m_comparator.m_str;
}
StringContainsMatcher::StringContainsMatcher( CasedString const& comparator ) : StringMatcherBase( "contains", comparator ) {}
bool StringContainsMatcher::match( std::string const& source ) const {
return contains( m_comparator.adjustString( source ), m_comparator.m_str );
}
StartsWithMatcher::StartsWithMatcher( CasedString const& comparator ) : StringMatcherBase( "starts with", comparator ) {}
bool StartsWithMatcher::match( std::string const& source ) const {
return startsWith( m_comparator.adjustString( source ), m_comparator.m_str );
}
EndsWithMatcher::EndsWithMatcher( CasedString const& comparator ) : StringMatcherBase( "ends with", comparator ) {}
bool EndsWithMatcher::match( std::string const& source ) const {
return endsWith( m_comparator.adjustString( source ), m_comparator.m_str );
}
RegexMatcher::RegexMatcher(std::string regex, CaseSensitive::Choice caseSensitivity): m_regex(std::move(regex)), m_caseSensitivity(caseSensitivity) {}
bool RegexMatcher::match(std::string const& matchee) const {
auto flags = std::regex::ECMAScript; // ECMAScript is the default syntax option anyway
if (m_caseSensitivity == CaseSensitive::Choice::No) {
flags |= std::regex::icase;
}
auto reg = std::regex(m_regex, flags);
return std::regex_match(matchee, reg);
}
std::string RegexMatcher::describe() const {
return "matches " + ::Catch::Detail::stringify(m_regex) + ((m_caseSensitivity == CaseSensitive::Choice::Yes)? " case sensitively" : " case insensitively");
}
StringEqualsMatcher Equals( std::string const& str, CaseSensitive::Choice caseSensitivity ) {
return StringEqualsMatcher( CasedString( str, caseSensitivity) );
}
StringContainsMatcher Contains( std::string const& str, CaseSensitive::Choice caseSensitivity ) {
return StringContainsMatcher( CasedString( str, caseSensitivity) );
}
EndsWithMatcher EndsWith( std::string const& str, CaseSensitive::Choice caseSensitivity ) {
return EndsWithMatcher( CasedString( str, caseSensitivity) );
}
StartsWithMatcher StartsWith( std::string const& str, CaseSensitive::Choice caseSensitivity ) {
return StartsWithMatcher( CasedString( str, caseSensitivity) );
}
RegexMatcher Matches(std::string const& regex, CaseSensitive::Choice caseSensitivity) {
return RegexMatcher(regex, caseSensitivity);
}
} // namespace Matchers

98
src/catch2/matchers/catch_matchers_string.hpp
View File

@ -15,64 +15,60 @@
namespace Catch {
namespace Matchers {
namespace StdString {
struct CasedString {
CasedString( std::string const& str, CaseSensitive::Choice caseSensitivity );
std::string adjustString( std::string const& str ) const;
std::string caseSensitivitySuffix() const;
struct CasedString
{
CasedString( std::string const& str, CaseSensitive::Choice caseSensitivity );
std::string adjustString( std::string const& str ) const;
std::string caseSensitivitySuffix() const;
CaseSensitive::Choice m_caseSensitivity;
std::string m_str;
};
CaseSensitive::Choice m_caseSensitivity;
std::string m_str;
};
struct StringMatcherBase : MatcherBase<std::string> {
StringMatcherBase( std::string const& operation, CasedString const& comparator );
std::string describe() const override;
struct StringMatcherBase : MatcherBase<std::string> {
StringMatcherBase( std::string const& operation, CasedString const& comparator );
std::string describe() const override;
CasedString m_comparator;
std::string m_operation;
};
CasedString m_comparator;
std::string m_operation;
};
struct StringEqualsMatcher final : StringMatcherBase {
StringEqualsMatcher( CasedString const& comparator );
bool match( std::string const& source ) const override;
};
struct StringContainsMatcher final : StringMatcherBase {
StringContainsMatcher( CasedString const& comparator );
bool match( std::string const& source ) const override;
};
struct StartsWithMatcher final : StringMatcherBase {
StartsWithMatcher( CasedString const& comparator );
bool match( std::string const& source ) const override;
};
struct EndsWithMatcher final : StringMatcherBase {
EndsWithMatcher( CasedString const& comparator );
bool match( std::string const& source ) const override;
};
struct EqualsMatcher final : StringMatcherBase {
EqualsMatcher( CasedString const& comparator );
bool match( std::string const& source ) const override;
};
struct ContainsMatcher final : StringMatcherBase {
ContainsMatcher( CasedString const& comparator );
bool match( std::string const& source ) const override;
};
struct StartsWithMatcher final : StringMatcherBase {
StartsWithMatcher( CasedString const& comparator );
bool match( std::string const& source ) const override;
};
struct EndsWithMatcher final : StringMatcherBase {
EndsWithMatcher( CasedString const& comparator );
bool match( std::string const& source ) const override;
};
struct RegexMatcher final : MatcherBase<std::string> {
RegexMatcher( std::string regex, CaseSensitive::Choice caseSensitivity );
bool match( std::string const& matchee ) const override;
std::string describe() const override;
struct RegexMatcher final : MatcherBase<std::string> {
RegexMatcher( std::string regex, CaseSensitive::Choice caseSensitivity );
bool match( std::string const& matchee ) const override;
std::string describe() const override;
private:
std::string m_regex;
CaseSensitive::Choice m_caseSensitivity;
};
private:
std::string m_regex;
CaseSensitive::Choice m_caseSensitivity;
};
} // namespace StdString
// The following functions create the actual matcher objects.
// This allows the types to be inferred
StdString::EqualsMatcher Equals( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
StdString::ContainsMatcher Contains( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
StdString::EndsWithMatcher EndsWith( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
StdString::StartsWithMatcher StartsWith( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
StdString::RegexMatcher Matches( std::string const& regex, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
//! Creates matcher that accepts strings that are exactly equal to `str`
StringEqualsMatcher Equals( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
//! Creates matcher that accepts strings that contain `str`
StringContainsMatcher Contains( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
//! Creates matcher that accepts strings that _end_ with `str`
EndsWithMatcher EndsWith( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
//! Creates matcher that accepts strings that _start_ with `str`
StartsWithMatcher StartsWith( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
//! Creates matcher that accepts strings matching `regex`
RegexMatcher Matches( std::string const& regex, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes );
} // namespace Matchers
} // namespace Catch