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POHow to split the css file on tokens using C++11 regex?
 

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  1. POHow to split the css file on tokens using C++11 regex?
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    <p>I'd like to know how to split the css file on tokens using <a href="http://en.cppreference.com/w/cpp/regex" rel="nofollow">C11++ regex</a> and insert into std::map as key/value? </p> <p>CSS file:</p> <pre><code>#id1 { border: 1px; color: red; } #id2 { border: 2px; color: green; }; </code></pre> <p>C++ code:</p> <pre><code>#include &lt;iostream&gt; #include &lt;fstream&gt; #include &lt;map&gt; #include &lt;regex&gt; using namespace std; int main() { ifstream file("file.css", ios::binary); if(!file.is_open()) return 1; //... how to split file on tokens? //and insert tokens probably like this (but only in a loop and dynamically): map&lt;string, string&gt; array; array.insert(make_pair("#id1", "border: 1px; color: red;")); array.insert(make_pair("#id2", "border: 1px; color: green;")); //... map&lt;string, string&gt;::iterator i = array.begin(); while(i != array.end()) { cout &lt;&lt; "key: " &lt;&lt; i-&gt;first &lt;&lt; " | value: " &lt;&lt; i-&gt;second &lt;&lt; endl; i++; } //out: /* key: #id1 | value: border: 1px; color: red; key: #id2 | value: border: 2px; color: green; */ return 0; } </code></pre> <p>What i need in JavaScript implementation:</p> <pre><code>var css = "\ #id1 {\ border: 1px;\ color: red;\ }\ #id2 {\ border: 2px;\ color: green;\ }"; //remove tabulation and split on tokens var array = css.replace(/[\t\n\r]*/g, '').replace(/\s{2}/g, ' ').split('}'), i = array.length-1, stack = []; //close right brace and insert into stack[] while(i--) { stack.unshift(array[i] + "}"); } i = stack.length; var map = {}; //fill map (key/value) while(i--) { map[stack[i].match(/(.*){.*}/)[1]] = stack[i].match(/.*{(.*)}/)[1]; } //out for(i in map) { document.write('key: ' + i + ' | value: ' + map[i] + '&lt;br /&gt;') } </code></pre> <p><a href="http://jsfiddle.net/kV6Wr/" rel="nofollow">Please see working example</a></p> <p>In fact, I just need a simple example of a splitting css file using regex</p>
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    1. COHave gcc implemented `std::regex` with all features the Standard requires?
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    2. COWhich part of this is unclear -- how to use `<regex>` in C++, or what the actual regular expressions should be? Each has a straight-forward answer, but this is too much of a "write my entire program for me" type question as it stands.
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    3. COI've the last version GCC 4.7. In fact, I just need a simple example of a splitting css file using regex
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