src/library/streamcompress.cpp

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