1 files changed, 165 insertions, 0 deletions
diff --git a/lib/utils/datastor/datastor.cpp b/lib/utils/datastor/datastor.cpp
new file mode 100644
index 000000000..7563e9309
--- /dev/null
+++ b/lib/utils/datastor/datastor.cpp
@@ -0,0 +1,165 @@
+/*
+* Data Store
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <botan/datastor.h>
+#include <botan/exceptn.h>
+#include <botan/parsing.h>
+#include <botan/hex.h>
+#include <botan/internal/stl_util.h>
+
+namespace Botan {
+
+/*
+* Data_Store Equality Comparison
+*/
+bool Data_Store::operator==(const Data_Store& other) const
+   {
+   return (contents == other.contents);
+   }
+
+/*
+* Check if this key has at least one value
+*/
+bool Data_Store::has_value(const std::string& key) const
+   {
+   return (contents.lower_bound(key) != contents.end());
+   }
+
+/*
+* Search based on an arbitrary predicate
+*/
+std::multimap<std::string, std::string> Data_Store::search_for(
+   std::function<bool (std::string, std::string)> predicate) const
+   {
+   std::multimap<std::string, std::string> out;
+
+   for(auto i = contents.begin(); i != contents.end(); ++i)
+      if(predicate(i->first, i->second))
+         out.insert(std::make_pair(i->first, i->second));
+
+   return out;
+   }
+
+/*
+* Search based on key equality
+*/
+std::vector<std::string> Data_Store::get(const std::string& looking_for) const
+   {
+   std::vector<std::string> out;
+   auto range = contents.equal_range(looking_for);
+   for(auto i = range.first; i != range.second; ++i)
+      out.push_back(i->second);
+   return out;
+   }
+
+/*
+* Get a single atom
+*/
+std::string Data_Store::get1(const std::string& key) const
+   {
+   std::vector<std::string> vals = get(key);
+
+   if(vals.empty())
+      throw Invalid_State("Data_Store::get1: No values set for " + key);
+   if(vals.size() > 1)
+      throw Invalid_State("Data_Store::get1: More than one value for " + key);
+
+   return vals[0];
+   }
+
+std::string Data_Store::get1(const std::string& key,
+                             const std::string& default_value) const
+   {
+   std::vector<std::string> vals = get(key);
+
+   if(vals.size() > 1)
+      throw Invalid_State("Data_Store::get1: More than one value for " + key);
+
+   if(vals.empty())
+      return default_value;
+
+   return vals[0];
+   }
+
+/*
+* Get a single std::vector atom
+*/
+std::vector<byte>
+Data_Store::get1_memvec(const std::string& key) const
+   {
+   std::vector<std::string> vals = get(key);
+
+   if(vals.empty())
+      return std::vector<byte>();
+
+   if(vals.size() > 1)
+      throw Invalid_State("Data_Store::get1_memvec: Multiple values for " +
+                          key);
+
+   return hex_decode(vals[0]);
+   }
+
+/*
+* Get a single u32bit atom
+*/
+u32bit Data_Store::get1_u32bit(const std::string& key,
+                               u32bit default_val) const
+   {
+   std::vector<std::string> vals = get(key);
+
+   if(vals.empty())
+      return default_val;
+   else if(vals.size() > 1)
+      throw Invalid_State("Data_Store::get1_u32bit: Multiple values for " +
+                          key);
+
+   return to_u32bit(vals[0]);
+   }
+
+/*
+* Insert a single key and value
+*/
+void Data_Store::add(const std::string& key, const std::string& val)
+   {
+   multimap_insert(contents, key, val);
+   }
+
+/*
+* Insert a single key and value
+*/
+void Data_Store::add(const std::string& key, u32bit val)
+   {
+   add(key, std::to_string(val));
+   }
+
+/*
+* Insert a single key and value
+*/
+void Data_Store::add(const std::string& key, const secure_vector<byte>& val)
+   {
+   add(key, hex_encode(&val[0], val.size()));
+   }
+
+void Data_Store::add(const std::string& key, const std::vector<byte>& val)
+   {
+   add(key, hex_encode(&val[0], val.size()));
+   }
+
+/*
+* Insert a mapping of key/value pairs
+*/
+void Data_Store::add(const std::multimap<std::string, std::string>& in)
+   {
+   std::multimap<std::string, std::string>::const_iterator i = in.begin();
+   while(i != in.end())
+      {
+      contents.insert(*i);
+      ++i;
+      }
+   }
+
+}