Applied patch [ 681893 ] Combobox in toolbar

[wxWidgets.git] / src / html / helpdata.cpp

diff --git a/src/html/helpdata.cpp b/src/html/helpdata.cpp
index 1864c907e5b91698a665d910ede016d2d5c15620..b08700cbaa8932c729d8b195f085467d6d5fcbe2 100644 (file)
--- a/src/html/helpdata.cpp
+++ b/src/html/helpdata.cpp
@@ -114,6 +114,8 @@ class HP_TagHandler : public wxHtmlTagHandler
         bool HandleTag(const wxHtmlTag& tag);
         void WriteOut(wxHtmlContentsItem*& array, int& size);
         void ReadIn(wxHtmlContentsItem* array, int size);
+
+    DECLARE_NO_COPY_CLASS(HP_TagHandler)
 };
 
 
@@ -337,7 +339,12 @@ inline static wxChar* CacheReadString(wxInputStream *f)
 #endif
 }
 
-#define CURRENT_CACHED_BOOK_VERSION     3
+#define CURRENT_CACHED_BOOK_VERSION     4
+
+// Additional flags to detect incompatibilities of the runtime environment:
+#define CACHED_BOOK_FORMAT_FLAGS \
+                     (wxUSE_UNICODE << 0)
+
 
 bool wxHtmlHelpData::LoadCachedBook(wxHtmlBookRecord *book, wxInputStream *f)
 {
@@ -356,6 +363,9 @@ bool wxHtmlHelpData::LoadCachedBook(wxHtmlBookRecord *book, wxInputStream *f)
         return FALSE;
     }
 
+    if (CacheReadInt32(f) != CACHED_BOOK_FORMAT_FLAGS)
+        return FALSE;
+
     /* load contents : */
     st = m_ContentsCnt;
     m_ContentsCnt += CacheReadInt32(f);
@@ -393,6 +403,7 @@ bool wxHtmlHelpData::SaveCachedBook(wxHtmlBookRecord *book, wxOutputStream *f)
 
     /* save header - version info : */
     CacheWriteInt32(f, CURRENT_CACHED_BOOK_VERSION);
+    CacheWriteInt32(f, CACHED_BOOK_FORMAT_FLAGS);
 
     /* save contents : */
     for (cnt = 0, i = 0; i < m_ContentsCnt; i++) 
@@ -498,13 +509,17 @@ bool wxHtmlHelpData::AddBookParam(const wxFSFile& bookfile,
     fi = fsys.OpenFile(bookfile.GetLocation() + wxT(".cached"));
 
     if (fi == NULL ||
+#if wxUSE_DATETIME
           fi->GetModificationTime() < bookfile.GetModificationTime() ||
+#endif // wxUSE_DATETIME
           !LoadCachedBook(bookr, fi->GetStream()))
     {
         if (fi != NULL) delete fi;
         fi = fsys.OpenFile(m_TempPath + wxFileNameFromPath(bookfile.GetLocation()) + wxT(".cached"));
         if (m_TempPath == wxEmptyString || fi == NULL ||
+#if wxUSE_DATETIME
             fi->GetModificationTime() < bookfile.GetModificationTime() ||
+#endif // wxUSE_DATETIME
             !LoadCachedBook(bookr, fi->GetStream()))
         {
             LoadMSProject(bookr, fsys, indexfile, contfile);