src/library/streamcompress.cpp

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