From 878260fc4c6445c1c37f4051a0caa6ea0aac9f2f Mon Sep 17 00:00:00 2001
From: "Jay Freeman (saurik)" <saurik@saurik.com>
Date: Thu, 25 Aug 2016 22:06:33 -0700
Subject: Chop bool Open() into void Open() and bool Look().

---
 ldid.hpp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

(limited to 'ldid.hpp')

diff --git a/ldid.hpp b/ldid.hpp
index 3765c9f..55c50ea 100644
--- a/ldid.hpp
+++ b/ldid.hpp
@@ -50,7 +50,8 @@ FunctorImpl<decltype(&Function_::operator())> fun(const Function_ &value) {
 class Folder {
   public:
     virtual void Save(const std::string &path, const void *flag, const Functor<void (std::streambuf &)> &code) = 0;
-    virtual bool Open(const std::string &path, const Functor<void (std::streambuf &, const void *)> &code) = 0;
+    virtual bool Look(const std::string &path) = 0;
+    virtual void Open(const std::string &path, const Functor<void (std::streambuf &, const void *)> &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, const Functor<void (const std::string &, const Functor<std::string ()> &)> &link) = 0;
 };
 
@@ -70,7 +71,8 @@ class DiskFolder :
     ~DiskFolder();
 
     virtual void Save(const std::string &path, const void *flag, const Functor<void (std::streambuf &)> &code);
-    virtual bool Open(const std::string &path, const Functor<void (std::streambuf &, const void *)> &code);
+    virtual bool Look(const std::string &path);
+    virtual void Open(const std::string &path, const Functor<void (std::streambuf &, const void *)> &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, const Functor<void (const std::string &, const Functor<std::string ()> &)> &link);
 };
 
@@ -85,7 +87,8 @@ class SubFolder :
     SubFolder(Folder &parent, const std::string &path);
 
     virtual void Save(const std::string &path, const void *flag, const Functor<void (std::streambuf &)> &code);
-    virtual bool Open(const std::string &path, const Functor<void (std::streambuf &, const void *)> &code);
+    virtual bool Look(const std::string &path);
+    virtual void Open(const std::string &path, const Functor<void (std::streambuf &, const void *)> &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, const Functor<void (const std::string &, const Functor<std::string ()> &)> &link);
 };
 
@@ -119,7 +122,8 @@ class UnionFolder :
     UnionFolder(Folder &parent);
 
     virtual void Save(const std::string &path, const void *flag, const Functor<void (std::streambuf &)> &code);
-    virtual bool Open(const std::string &path, const Functor<void (std::streambuf &, const void *)> &code);
+    virtual bool Look(const std::string &path);
+    virtual void Open(const std::string &path, const Functor<void (std::streambuf &, const void *)> &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, const Functor<void (const std::string &, const Functor<std::string ()> &)> &link);
 
     void operator ()(const std::string &from) {
-- 
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