Make Folder::Find const, removing internal Save().

[ldid.git] / ldid.hpp

diff --git a/ldid.hpp b/ldid.hpp
index 5b2efda7a936a92b4c023fc5eb133f4144762bc4..13b69da36ffcd9b4c0f6ec5f0692b1f3d46f24a0 100644 (file)
--- a/ldid.hpp
+++ b/ldid.hpp
@@ -3,6 +3,7 @@
 
 #include <cstdlib>
 #include <map>
+#include <set>
 #include <sstream>
 #include <streambuf>
 #include <string>
@@ -49,9 +50,10 @@ FunctorImpl<decltype(&Function_::operator())> fun(const Function_ &value) {
 
 class Folder {
   public:
-    virtual void Save(const std::string &path, const Functor<void (std::streambuf &)> &code) = 0;
-    virtual bool Open(const std::string &path, const Functor<void (std::streambuf &)> &code) = 0;
-    virtual void Find(const std::string &path, const Functor<void (const std::string &, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &)> &code) = 0;
+    virtual void Save(const std::string &path, bool edit, const void *flag, const Functor<void (std::streambuf &)> &code) = 0;
+    virtual bool Look(const std::string &path) const = 0;
+    virtual void Open(const std::string &path, const Functor<void (std::streambuf &, const void *)> &code) const = 0;
+    virtual void Find(const std::string &path, const Functor<void (const std::string &)> &code, const Functor<void (const std::string &, const Functor<std::string ()> &)> &link) const = 0;
 };
 
 class DiskFolder :
@@ -61,17 +63,18 @@ class DiskFolder :
     const std::string path_;
     std::map<std::string, std::string> commit_;
 
-    std::string Path(const std::string &path);
+    std::string Path(const std::string &path) const;
 
-    void Find(const std::string &root, const std::string &base, const Functor<void (const std::string &, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &)>&code);
+    void Find(const std::string &root, const std::string &base, const Functor<void (const std::string &)> &code, const Functor<void (const std::string &, const Functor<std::string ()> &)> &link) const;
 
   public:
     DiskFolder(const std::string &path);
     ~DiskFolder();
 
-    virtual void Save(const std::string &path, const Functor<void (std::streambuf &)> &code);
-    virtual bool Open(const std::string &path, const Functor<void (std::streambuf &)> &code);
-    virtual void Find(const std::string &path, const Functor<void (const std::string &, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &)> &code);
+    virtual void Save(const std::string &path, bool edit, const void *flag, const Functor<void (std::streambuf &)> &code);
+    virtual bool Look(const std::string &path) const;
+    virtual void Open(const std::string &path, const Functor<void (std::streambuf &, const void *)> &code) const;
+    virtual void Find(const std::string &path, const Functor<void (const std::string &)> &code, const Functor<void (const std::string &, const Functor<std::string ()> &)> &link) const;
 };
 
 class SubFolder :
@@ -84,9 +87,10 @@ class SubFolder :
   public:
     SubFolder(Folder &parent, const std::string &path);
 
-    virtual void Save(const std::string &path, const Functor<void (std::streambuf &)> &code);
-    virtual bool Open(const std::string &path, const Functor<void (std::streambuf &)> &code);
-    virtual void Find(const std::string &path, const Functor<void (const std::string &, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &)> &code);
+    virtual void Save(const std::string &path, bool edit, const void *flag, const Functor<void (std::streambuf &)> &code);
+    virtual bool Look(const std::string &path) const;
+    virtual void Open(const std::string &path, const Functor<void (std::streambuf &, const void *)> &code) const;
+    virtual void Find(const std::string &path, const Functor<void (const std::string &)> &code, const Functor<void (const std::string &, const Functor<std::string ()> &)> &link) const;
 };
 
 class UnionFolder :
@@ -110,17 +114,18 @@ class UnionFolder :
     std::set<std::string> deletes_;
 
     std::map<std::string, std::string> remaps_;
-    std::map<std::string, StringBuffer> resets_;
+    mutable std::map<std::string, std::pair<StringBuffer, const void *>> resets_;
 
-    std::string Map(const std::string &path);
-    void Map(const std::string &path, const Functor<void (const std::string &, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &)> &code, const std::string &file, const Functor<void (std::streambuf &, const Functor<void (std::streambuf &, std::streambuf &)> &)> &save);
+    std::string Map(const std::string &path) const;
+    void Map(const std::string &path, const Functor<void (const std::string &)> &code, const std::string &file, const Functor<void (const Functor<void (std::streambuf &, const void *)> &)> &save) const;
 
   public:
     UnionFolder(Folder &parent);
 
-    virtual void Save(const std::string &path, const Functor<void (std::streambuf &)> &code);
-    virtual bool Open(const std::string &path, const Functor<void (std::streambuf &)> &code);
-    virtual void Find(const std::string &path, const Functor<void (const std::string &, const Functor<void (const Functor<void (std::streambuf &, std::streambuf &)> &)> &)> &code);
+    virtual void Save(const std::string &path, bool edit, const void *flag, const Functor<void (std::streambuf &)> &code);
+    virtual bool Look(const std::string &path) const;
+    virtual void Open(const std::string &path, const Functor<void (std::streambuf &, const void *)> &code) const;
+    virtual void Find(const std::string &path, const Functor<void (const std::string &)> &code, const Functor<void (const std::string &, const Functor<std::string ()> &)> &link) const;
 
     void operator ()(const std::string &from) {
         deletes_.insert(from);
@@ -131,17 +136,24 @@ class UnionFolder :
         remaps_[to] = from;
     }
 
-    std::stringbuf &operator [](const std::string &path) {
-        operator ()(path);
-        return resets_[path];
+    std::stringbuf &operator ()(const std::string &from, const void *flag) {
+        operator ()(from);
+        auto &reset(resets_[from]);
+        reset.second = flag;
+        return reset.first;
     }
 };
 
-std::string Bundle(const std::string &root, Folder &folder, const std::string &key, std::map<std::string, std::vector<char>> &remote, const std::string &entitlements);
+struct Bundle {
+    std::string path;
+    std::vector<char> hash;
+};
+
+Bundle Sign(const std::string &root, Folder &folder, const std::string &key, const std::string &requirement, const Functor<std::string (const std::string &, const std::string &)> &alter);
 
 typedef std::map<uint32_t, std::vector<char>> Slots;
 
-void Sign(const void *idata, size_t isize, std::streambuf &output, const std::string &identifier, const std::string &entitlements, const std::string &key, const Slots &slots);
+std::vector<char> Sign(const void *idata, size_t isize, std::streambuf &output, const std::string &identifier, const std::string &entitlements, const std::string &requirement, const std::string &key, const Slots &slots);
 
 }