avoid float-conversion warning and simplify size computation

[lyx.git] / src / WordList.cpp

diff --git a/src/WordList.cpp b/src/WordList.cpp
index 558ddf8a1872ff4b11d408fc1a33715453f59afd..16f3b92e86e49c08c3f6c079d350f24f439a52ce 100644 (file)
--- a/src/WordList.cpp
+++ b/src/WordList.cpp
@@ -15,20 +15,53 @@
 #include "support/convert.h"
 #include "support/debug.h"
 #include "support/docstring.h"
+#include "support/lassert.h"
 #include "support/weighted_btree.h"
 
-#include <boost/assert.hpp>
+#include <QThreadStorage>
+
+#include <map>
+
+using namespace std;
 
 namespace lyx {
 
 ///
-WordList theGlobalWordList;
+typedef map<string, WordList *> GlobalWordList;
+// Each thread uses its own word list, but only the one of the GUI thread is
+// used to do real work. The others are only neded to prevent simultanous
+// write access e.g. from a cloned buffer and a true document buffer.
+QThreadStorage<GlobalWordList *> theGlobalWordList;
+
+
+WordList * theWordList(string const & lang)
+{
+       if (!theGlobalWordList.hasLocalData())
+               theGlobalWordList.setLocalData(new GlobalWordList);
+       GlobalWordList * globalWordList = theGlobalWordList.localData();
+       GlobalWordList::iterator it = globalWordList->find(lang);
+       if (it != globalWordList->end())
+               return it->second;
+       else {
+               WordList * wl = new WordList;
+               (*globalWordList)[lang] = wl;
+               return wl;
+       }
+}
 
-WordList & theWordList()
+
+void WordList::cleanupWordLists()
 {
-       return theGlobalWordList;
+       if (!theGlobalWordList.hasLocalData())
+               return;
+       GlobalWordList * globalWordList = theGlobalWordList.localData();
+       GlobalWordList::const_iterator it = globalWordList->begin();
+       for (; it != globalWordList->end(); ++it)
+               delete it->second;
+       globalWordList->clear();
 }
 
+
 ///
 struct WordList::Impl {
        ///
@@ -62,7 +95,7 @@ WordList::~WordList()
 docstring const & WordList::word(size_t idx) const
 {
        Impl::Words::const_iterator it = d->words_.find_summed_weight(idx);
-       BOOST_ASSERT(it != d->words_.end());
+       LASSERT(it != d->words_.end(), { static docstring dummy; return dummy; });
        
        // We use the key() method here, and not something like it->first
        // because the btree only returns (iterator-) temporary value pairs.