| /* |
| * Created by Martin on 19/07/2017. |
| * |
| * 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) |
| */ |
| |
| #include "catch_test_spec_parser.h" |
| |
| namespace Catch { |
| |
| TestSpecParser::TestSpecParser( ITagAliasRegistry const& tagAliases ) : m_tagAliases( &tagAliases ) {} |
| |
| TestSpecParser& TestSpecParser::parse( std::string const& arg ) { |
| m_mode = None; |
| m_exclusion = false; |
| m_start = std::string::npos; |
| m_arg = m_tagAliases->expandAliases( arg ); |
| m_escapeChars.clear(); |
| for( m_pos = 0; m_pos < m_arg.size(); ++m_pos ) |
| visitChar( m_arg[m_pos] ); |
| if( m_mode == Name ) |
| addPattern<TestSpec::NamePattern>(); |
| return *this; |
| } |
| TestSpec TestSpecParser::testSpec() { |
| addFilter(); |
| return m_testSpec; |
| } |
| |
| void TestSpecParser::visitChar( char c ) { |
| if( m_mode == None ) { |
| switch( c ) { |
| case ' ': return; |
| case '~': m_exclusion = true; return; |
| case '[': return startNewMode( Tag, ++m_pos ); |
| case '"': return startNewMode( QuotedName, ++m_pos ); |
| case '\\': return escape(); |
| default: startNewMode( Name, m_pos ); break; |
| } |
| } |
| if( m_mode == Name ) { |
| if( c == ',' ) { |
| addPattern<TestSpec::NamePattern>(); |
| addFilter(); |
| } |
| else if( c == '[' ) { |
| if( subString() == "exclude:" ) |
| m_exclusion = true; |
| else |
| addPattern<TestSpec::NamePattern>(); |
| startNewMode( Tag, ++m_pos ); |
| } |
| else if( c == '\\' ) |
| escape(); |
| } |
| else if( m_mode == EscapedName ) |
| m_mode = Name; |
| else if( m_mode == QuotedName && c == '"' ) |
| addPattern<TestSpec::NamePattern>(); |
| else if( m_mode == Tag && c == ']' ) |
| addPattern<TestSpec::TagPattern>(); |
| } |
| void TestSpecParser::startNewMode( Mode mode, std::size_t start ) { |
| m_mode = mode; |
| m_start = start; |
| } |
| void TestSpecParser::escape() { |
| if( m_mode == None ) |
| m_start = m_pos; |
| m_mode = EscapedName; |
| m_escapeChars.push_back( m_pos ); |
| } |
| std::string TestSpecParser::subString() const { return m_arg.substr( m_start, m_pos - m_start ); } |
| |
| void TestSpecParser::addFilter() { |
| if( !m_currentFilter.m_patterns.empty() ) { |
| m_testSpec.m_filters.push_back( m_currentFilter ); |
| m_currentFilter = TestSpec::Filter(); |
| } |
| } |
| |
| TestSpec parseTestSpec( std::string const& arg ) { |
| return TestSpecParser( ITagAliasRegistry::get() ).parse( arg ).testSpec(); |
| } |
| |
| } // namespace Catch |