first commit, base client with gtk3

read_uses.cpp

@@ -0,0 +1,32 @@
+#include "read_uses.h"
+
+read_uses::read_uses(std::string name)
+{
+  size_t pos=name.find("/");
+  if(pos==std::string::npos){
+      this->short_name=name;
+    }else{
+      this->short_name=name.substr(pos, name.size());
+    }
+  this->file=std::ifstream("/etc/portage/package.use/"+this->short_name, std::ifstream::in);
+  this->exist = file.good();
+}
+
+std::string* read_uses::get_uses(){
+  std::string *ret=nullptr;
+  if(this->exist){
+      ret=new std::string;
+      std::string line;
+      while(std::getline(file, line)){
+        std::string no_coment=line.substr(0,line.find("#"));
+        std::size_t found=no_coment.find(this->short_name);
+        if(found!=std::string::npos){
+            found=no_coment.find(this->short_name);
+            if(found!=std::string::npos){
+                *ret=no_coment.substr(0, no_coment.length());
+              }
+          }
+      }
+    }
+  return ret;
+}