1 files changed, 107 insertions, 0 deletions
diff --git a/src/libstore/store-api.cc b/src/libstore/store-api.cc
new file mode 100644
index 0000000000..3a07d1c73c
--- /dev/null
+++ b/src/libstore/store-api.cc
@@ -0,0 +1,107 @@
+#include "store-api.hh"
+#include "globals.hh"
+
+
+namespace nix {
+
+
+bool isInStore(const Path & path)
+{
+    return path[0] == '/'
+        && string(path, 0, nixStore.size()) == nixStore
+        && path.size() >= nixStore.size() + 2
+        && path[nixStore.size()] == '/';
+}
+
+
+bool isStorePath(const Path & path)
+{
+    return isInStore(path)
+        && path.find('/', nixStore.size() + 1) == Path::npos;
+}
+
+
+void assertStorePath(const Path & path)
+{
+    if (!isStorePath(path))
+        throw Error(format("path `%1%' is not in the Nix store") % path);
+}
+
+
+Path toStorePath(const Path & path)
+{
+    if (!isInStore(path))
+        throw Error(format("path `%1%' is not in the Nix store") % path);
+    Path::size_type slash = path.find('/', nixStore.size() + 1);
+    if (slash == Path::npos)
+        return path;
+    else
+        return Path(path, 0, slash);
+}
+
+
+void checkStoreName(const string & name)
+{
+    string validChars = "+-._?=";
+    /* Disallow names starting with a dot for possible security
+       reasons (e.g., "." and ".."). */
+    if (string(name, 0, 1) == ".")
+        throw Error(format("illegal name: `%1%'") % name);
+    for (string::const_iterator i = name.begin(); i != name.end(); ++i)
+        if (!((*i >= 'A' && *i <= 'Z') ||
+              (*i >= 'a' && *i <= 'z') ||
+              (*i >= '0' && *i <= '9') ||
+              validChars.find(*i) != string::npos))
+        {
+            throw Error(format("invalid character `%1%' in name `%2%'")
+                % *i % name);
+        }
+}
+
+
+Path makeStorePath(const string & type,
+    const Hash & hash, const string & suffix)
+{
+    /* e.g., "source:sha256:1abc...:/nix/store:foo.tar.gz" */
+    string s = type + ":sha256:" + printHash(hash) + ":"
+        + nixStore + ":" + suffix;
+
+    checkStoreName(suffix);
+
+    return nixStore + "/"
+        + printHash32(compressHash(hashString(htSHA256, s), 20))
+        + "-" + suffix;
+}
+
+
+Path makeFixedOutputPath(bool recursive,
+    string hashAlgo, Hash hash, string name)
+{
+    /* !!! copy/paste from primops.cc */
+    Hash h = hashString(htSHA256, "fixed:out:"
+        + (recursive ? (string) "r:" : "") + hashAlgo + ":"
+        + printHash(hash) + ":"
+        + "");
+    return makeStorePath("output:out", h, name);
+}
+
+ 
+}
+
+
+#include "local-store.hh"
+
+
+namespace nix {
+
+
+boost::shared_ptr<StoreAPI> store;
+
+
+boost::shared_ptr<StoreAPI> openStore(bool reserveSpace)
+{
+    return boost::shared_ptr<StoreAPI>(new LocalStore(reserveSpace));
+}
+
+
+}