X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/22f3361e1cf25c52a2da8fdfc5cb081809e18fb9..1e52188741389278cd99abf79218162c87024ba3:/src/html/helpdata.cpp?ds=sidebyside

diff --git a/src/html/helpdata.cpp b/src/html/helpdata.cpp
index 8ebc82d3a5..ab8e0036fa 100644
--- a/src/html/helpdata.cpp
+++ b/src/html/helpdata.cpp
@@ -9,7 +9,7 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "helpdata.h"
 #endif
 
@@ -85,9 +85,14 @@ wxHtmlHelpIndexCompareFunc(const void *a, const void *b)
 class HP_Parser : public wxHtmlParser
 {
 public:
+    HP_Parser() { }
+
     wxObject* GetProduct() { return NULL; }
+
 protected:
     virtual void AddText(const wxChar* WXUNUSED(txt)) {}
+
+    DECLARE_NO_COPY_CLASS(HP_Parser)
 };
 
 
@@ -339,7 +344,12 @@ 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)
 {
@@ -358,6 +368,9 @@ 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);
@@ -395,6 +408,7 @@ 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++) 
@@ -500,13 +514,17 @@ 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);