From ea3881684a186081c56af7dd1167ae4c780a48b1 Mon Sep 17 00:00:00 2001
From: Pavel Labath <pavelo@centrum.sk>
Date: Sun, 12 Jun 2011 20:24:14 +0200
Subject: Add a function for converting from XResources to lua ones

---
 src/FbTk/LResource.cc | 16 ++++++++++++++++
 src/FbTk/LResource.hh |  1 +
 src/FbTk/Resource.hh  |  4 ++++
 3 files changed, 21 insertions(+)

diff --git a/src/FbTk/LResource.cc b/src/FbTk/LResource.cc
index 78511eb..2e2a7c7 100644
--- a/src/FbTk/LResource.cc
+++ b/src/FbTk/LResource.cc
@@ -82,6 +82,22 @@ void LResourceManager::initState(lua::state &l) {
     l.setfield(lua::REGISTRYINDEX, make_root);
 }
 
+void LResourceManager::convert(ResourceManager &old, const std::string &new_file) {
+    lua::state l;
+    initState(l);
+
+    LResourceManager new_rm(old.root(), l);
+    for(ResourceList::const_iterator i = old.begin(); i != old.end(); ++i) {
+        // adding the resource to new_rm will set it to default value
+        // we save the value to a temp variable so we can restore it later
+        const std::string &t = (*i)->getString();
+        new_rm.addResource(**i);
+        (*i)->setFromString(t.c_str());
+    }
+
+    new_rm.save(new_file.c_str(), NULL);
+}
+
 LResourceManager::LResourceManager(const std::string &root, lua::state &l)
                         : ResourceManager_base(root), m_l(&l) {
     l.checkstack(2);
diff --git a/src/FbTk/LResource.hh b/src/FbTk/LResource.hh
index 185a029..1125707 100644
--- a/src/FbTk/LResource.hh
+++ b/src/FbTk/LResource.hh
@@ -38,6 +38,7 @@ namespace FbTk {
 class LResourceManager: public ResourceManager_base {
 public:
     static void initState(lua::state &l);
+    static void convert(ResourceManager &old, const std::string &new_file);
 
     LResourceManager(const std::string &root, lua::state &l);
     virtual bool save(const char *filename, const char *);
diff --git a/src/FbTk/Resource.hh b/src/FbTk/Resource.hh
index 744178b..00f8769 100644
--- a/src/FbTk/Resource.hh
+++ b/src/FbTk/Resource.hh
@@ -123,6 +123,10 @@ public:
     template <typename ResourceType, typename Traits>
     Resource<ResourceType, Traits> &getResource(const std::string &resource);
 
+    const std::string &root() const { return m_root; }
+    ResourceList::const_iterator begin() { return m_resourcelist.begin(); }
+    ResourceList::const_iterator end() { return m_resourcelist.end(); }
+
 protected:
     ResourceList m_resourcelist;
     const std::string m_root;
-- 
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