我有这个简单的解析器,用于解析 VB 风格的双引号字符串。因此,解析器应该变成类似
"This is a quoted string containing quotes ("" "")"
成一个输出
This is a quoted string containing quotes (" ")
这是我为此提出的语法:
namespace qi = boost::spirit::qi;
namespace wide = qi::standard_wide;
class ConfigurationParser : public qi::grammar<std::wstring::iterator, std::wstring()>
{
qi::rule<std::wstring::iterator, std::wstring()> quotedString;
qi::rule<std::wstring::iterator> doubleQuote;
public:
ConfigurationParser() : ConfigurationParser::base_type(quotedString, "vFind Command Line")
{
doubleQuote = (wide::char_(L'"') >> wide::char_(L'"'));
quotedString = L'"' >> +(doubleQuote[qi::_val = L'"'] | (wide::char_ - L'"'))>> L'"';
}
};
但是,我得到的属性是一个单引号 ("),而不是完整的解析消息。