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