Re: [boost] [review] Convert library

Subject: Re: [boost] [review] Convert library
From: Vladimir Batov (vb.mail.247_at_[hidden])
Date: 2014-05-26 07:38:04

Jeroen Habraken wrote
>> Vladimir Batov wrote
>>
>> Or I'll just run raw Spirit.Qi example from
>> http://www.kumobius.com/2013/08/c-string-to-int/
>>
>> #include 
> <string>
>> #include &lt;boost/spirit/include/qi_parse.hpp&gt;
>> #include &lt;boost/spirit/include/qi_numeric.hpp&gt;
>>
>> bool String2Int(const std::string& str, int& result)
>> {
>>     std::string::const_iterator i = str.begin();
>>     if (!boost::spirit::qi::parse(i, str.end(), boost::spirit::int_,
>> result))
>>         return false;
>>     return i == str.end(); // ensure the whole string was parsed
>> }
> 
> That's a nice solution, and should save quite a bit of headache.

Deployed the above code directly in a loop and via converter. Ubuntu 14.04.
gcc 4.8.2. Compiled with -O3. Ran te test quite a few times:
str-to-int spirit: raw/cnv=0.89/0.89 seconds.
str-to-int spirit: raw/cnv=0.89/0.89 seconds.
str-to-int spirit: raw/cnv=0.89/0.89 seconds.
str-to-int spirit: raw/cnv=0.89/0.89 seconds.

The code to review is in the post_review branch. Corrections welcome.

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