src/library/streamcompress.cpp

   1 #include "streamcompress.hpp"
   2 #include "string.hpp"
   3 #include <functional>
   4 #include <stdexcept>
   5
   6 namespace streamcompress
   7 {
   8 namespace
   9 {
  10         std::map<std::string, std::function<base*(const std::string&)>>& compressors()
  11         {
  12                 static std::map<std::string, std::function<base*(const std::string&)>> x;
  13                 return x;
  14         }
  15 }
  16
  17 base::~base()
  18 {
  19 }
  20
  21 std::set<std::string> base::get_compressors()
  22 {
  23         std::set<std::string> r;
  24         for(auto& i : compressors())
  25                 r.insert(i.first);
  26         return r;
  27 }
  28
  29 base* base::create_compressor(const std::string& name,
  30         const std::string& args)
  31 {
  32         if(!compressors().count(name))
  33                 throw std::runtime_error("No such compressor");
  34         return compressors()[name](args);
  35 }
  36
  37 void base::do_register(const std::string& name,
  38         std::function<base*(const std::string&)> ctor)
  39 {
  40         compressors()[name] = ctor;
  41 }
  42
  43 void base::do_unregister(const std::string& name)
  44 {
  45         compressors().erase(name);
  46 }
  47
  48 std::map<std::string, std::string> parse_attributes(const std::string& val)
  49 {
  50         std::map<std::string, std::string> r;
  51         std::string v = val;
  52         while(v != "") {
  53                 auto x = regex("([^=]+)=([^,]+)(,(.*)|$)", v);
  54                 r[x[1]] = x[2];
  55                 v = x[4];
  56         }
  57         return r;
  58 }
  59 }