Allow for multiple CHM controllers in app (don't leak dynamic libs)

[wxWidgets.git] / src / common / utilscmn.cpp

diff --git a/src/common/utilscmn.cpp b/src/common/utilscmn.cpp
index 71958c6fc2f6fe2324d7a03e4343d0dc2b8903c5..93aa19f675a6a33f464a84f05922039dae285258 100644 (file)
--- a/src/common/utilscmn.cpp
+++ b/src/common/utilscmn.cpp
@@ -6,7 +6,7 @@
 // Created:     29/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Julian Smart
 // Created:     29/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Julian Smart

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -98,139 +98,10 @@
     const wxChar *wxFatalErrorStr = wxT("wxWindows Fatal Error");
 #endif // WXWIN_COMPATIBILITY_2_2
 
     const wxChar *wxFatalErrorStr = wxT("wxWindows Fatal Error");
 #endif // WXWIN_COMPATIBILITY_2_2
 

-// ----------------------------------------------------------------------------
-// function protoypes
-// ----------------------------------------------------------------------------
-
-#if wxUSE_GUI
-    static wxWindow *wxFindWindowByLabel1(const wxString& title, wxWindow *parent);
-    static wxWindow *wxFindWindowByName1 (const wxString& title, wxWindow *parent);
-#endif // wxUSE_GUI
-

 // ============================================================================
 // implementation
 // ============================================================================
 
 // ============================================================================
 // implementation
 // ============================================================================
 

-// ----------------------------------------------------------------------------
-// string functions
-// ----------------------------------------------------------------------------
-
-#if defined(__WXMAC__) && !defined(__DARWIN__)
-int strcasecmp(const char *str_1, const char *str_2)
-{
-  register char c1, c2;
-  do {
-    c1 = tolower(*str_1++);
-    c2 = tolower(*str_2++);
-  } while ( c1 && (c1 == c2) );
-
-  return c1 - c2;
-}
-
-int strncasecmp(const char *str_1, const char *str_2, size_t maxchar)
-{
-
-  register char c1, c2;
-  while( maxchar--)
-  {
-    c1 = tolower(*str_1++);
-    c2 = tolower(*str_2++);
-
-    if ( !c1 || c1!=c2 )
-                  return c1 - c2;
-
-  } ;
-
-  return 0 ;
-
-}
-#endif // __WXMAC__ && !__DARWIN__
-
-#if defined( __VMS__ ) && ( __VMS_VER < 70000000 )
-// we have no strI functions under VMS, therefore I have implemented
-// an inefficient but portable version: convert copies of strings to lowercase
-// and then use the normal comparison
-static void myLowerString(char *s)
-{
-  while(*s){
-    if(isalpha(*s)) *s = (char)tolower(*s);
-    s++;
-  }
-}
-
-int strcasecmp(const char *str_1, const char *str_2)
-{
-  char *temp1 = new char[strlen(str_1)+1];
-  char *temp2 = new char[strlen(str_2)+1];
-  strcpy(temp1,str_1);
-  strcpy(temp2,str_2);
-  myLowerString(temp1);
-  myLowerString(temp2);
-
-  int result = wxStrcmp(temp1,temp2);
-  delete[] temp1;
-  delete[] temp2;
-
-  return(result);
-}
-
-int strncasecmp(const char *str_1, const char *str_2, size_t maxchar)
-{
-  char *temp1 = new char[strlen(str_1)+1];
-  char *temp2 = new char[strlen(str_2)+1];
-  strcpy(temp1,str_1);
-  strcpy(temp2,str_2);
-  myLowerString(temp1);
-  myLowerString(temp2);
-
-  int result = strncmp(temp1,temp2,maxchar);
-  delete[] temp1;
-  delete[] temp2;
-
-  return(result);
-}
-#endif // __VMS__
-
-#if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
-
-#ifndef __GNUWIN32__
-#ifndef __MWERKS__
-#define strcasecmp stricmp
-#define strncasecmp strnicmp
-#else
-#define strcasecmp _stricmp
-#define strncasecmp _strnicmp
-#endif
-#endif
-
-#else
-
-#ifdef __EMX__
-#define strcasecmp stricmp
-#define strncasecmp strnicmp
-#endif
-
-// This declaration is missing in SunOS!
-// (Yes, I know it is NOT ANSI-C but its in BSD libc)
-#if defined(__xlC) || defined(__AIX__) || defined(__GNUG__)
-extern "C"
-{
-  int strcasecmp (const char *, const char *);
-  int strncasecmp (const char *, const char *, size_t);
-}
-#endif
-#endif  /* __WXMSW__ */
-
-#ifdef __WXPM__
-#define strcasecmp stricmp
-#define strncasecmp strnicmp
-#endif
-
-#ifdef __WATCOMC__
-#define strcasecmp stricmp
-#define strncasecmp strnicmp
-#endif
-

 wxChar *
 copystring (const wxChar *s)
 {
 wxChar *
 copystring (const wxChar *s)
 {


@@ -262,6 +133,15 @@ wxRegisterId (long id)
     wxCurrentId = id + 1;
 }
 
     wxCurrentId = id + 1;
 }
 

+// ----------------------------------------------------------------------------
+// String <-> Number conversions (deprecated)
+// ----------------------------------------------------------------------------
+
+#if WXWIN_COMPATIBILITY_2_4
+
+WXDLLEXPORT_DATA(const wxChar *) wxFloatToStringStr = wxT("%.2f");
+WXDLLEXPORT_DATA(const wxChar *) wxDoubleToStringStr = wxT("%.2f");
+

 void
 StringToFloat (const wxChar *s, float *number)
 {
 void
 StringToFloat (const wxChar *s, float *number)
 {


@@ -326,6 +206,8 @@ LongToString (long number)
   return buf;
 }
 
   return buf;
 }
 

+#endif // WXWIN_COMPATIBILITY_2_4
+

 // Array used in DecToHex conversion routine.
 static wxChar hexArray[] = wxT("0123456789ABCDEF");
 
 // Array used in DecToHex conversion routine.
 static wxChar hexArray[] = wxT("0123456789ABCDEF");
 


@@ -365,9 +247,9 @@ wxString wxDecToHex(int dec)
     return wxString(buf);
 }
 
     return wxString(buf);
 }
 

-// Match a string INDEPENDENT OF CASE
+#if WXWIN_COMPATIBILITY_2

 bool
 bool

-StringMatch (const char *str1, const char *str2, bool subString, bool exact)
+StringMatch (const wxChar *str1, const wxChar *str2, bool subString, bool exact)

 {
   if (str1 == NULL || str2 == NULL)
     return FALSE;
 {
   if (str1 == NULL || str2 == NULL)
     return FALSE;


@@ -376,43 +258,44 @@ StringMatch (const char *str1, const char *str2, bool subString, bool exact)
 
   if (subString)
     {
 
   if (subString)
     {

-      int len1 = strlen (str1);
-      int len2 = strlen (str2);
+      int len1 = wxStrlen (str1);
+      int len2 = wxStrlen (str2);

       int i;
 
       // Search for str1 in str2
       // Slow .... but acceptable for short strings
       for (i = 0; i <= len2 - len1; i++)
         {
       int i;
 
       // Search for str1 in str2
       // Slow .... but acceptable for short strings
       for (i = 0; i <= len2 - len1; i++)
         {

-          if (strncasecmp (str1, str2 + i, len1) == 0)
+          if (wxStrnicmp (str1, str2 + i, len1) == 0)

             return TRUE;
         }
     }
   else if (exact)
     {
             return TRUE;
         }
     }
   else if (exact)
     {

-      if (strcasecmp (str1, str2) == 0)
+      if (wxStricmp (str1, str2) == 0)

         return TRUE;
     }
   else
     {
         return TRUE;
     }
   else
     {

-      int len1 = strlen (str1);
-      int len2 = strlen (str2);
+      int len1 = wxStrlen (str1);
+      int len2 = wxStrlen (str2);

 
 

-      if (strncasecmp (str1, str2, wxMin (len1, len2)) == 0)
+      if (wxStrnicmp (str1, str2, wxMin (len1, len2)) == 0)

         return TRUE;
     }
 
   return FALSE;
 }
         return TRUE;
     }
 
   return FALSE;
 }

+#endif

 
 // Return the current date/time
 // [volatile]
 wxString wxNow()
 {
 
 // Return the current date/time
 // [volatile]
 wxString wxNow()
 {

-  time_t now = time((time_t *) NULL);
-  char *date = ctime(&now);
-  date[24] = '\0';
-  return wxString(date);
+    time_t now = time((time_t *) NULL);
+    char *date = ctime(&now);
+    date[24] = '\0';
+    return wxString::FromAscii(date);

 }
 
 #if wxUSE_GUI
 }
 
 #if wxUSE_GUI


@@ -491,52 +374,9 @@ wxString wxStripMenuCodes(const wxString& in)
 wxWindow *
 wxFindWindowByLabel (const wxString& title, wxWindow * parent)
 {
 wxWindow *
 wxFindWindowByLabel (const wxString& title, wxWindow * parent)
 {

-    if (parent)
-    {
-        return wxFindWindowByLabel1(title, parent);
-    }
-    else
-    {
-        for ( wxWindowList::Node * node = wxTopLevelWindows.GetFirst();
-              node;
-              node = node->GetNext() )
-        {
-            wxWindow *win = node->GetData();
-            wxWindow *retwin = wxFindWindowByLabel1 (title, win);
-            if (retwin)
-                return retwin;
-        }                        // for()
-
-    }
-    return (wxWindow *) NULL;
+    return wxWindow::FindWindowByLabel( title, parent );

 }
 
 }
 

-// Recursive
-static wxWindow *
-wxFindWindowByLabel1 (const wxString& title, wxWindow * parent)
-{
-    if (parent)
-    {
-        if (parent->GetLabel() == title)
-            return parent;
-    }
-
-    if (parent)
-    {
-        for ( wxWindowList::Node * node = parent->GetChildren().GetFirst();
-              node;
-              node = node->GetNext() )
-        {
-            wxWindow *win = (wxWindow *)node->GetData();
-            wxWindow *retwin = wxFindWindowByLabel1 (title, win);
-            if (retwin)
-                return retwin;
-        }
-
-    }
-
-    return (wxWindow *) NULL;                        // Not found
-}

 
 /*
  * If parent is non-NULL, look through children for a name
 
 /*
  * If parent is non-NULL, look through children for a name


@@ -545,54 +385,9 @@ wxFindWindowByLabel1 (const wxString& title, wxWindow * parent)
  */
 
 wxWindow *
  */
 
 wxWindow *

-wxFindWindowByName (const wxString& title, wxWindow * parent)
-{
-    if (parent)
-    {
-        return wxFindWindowByName1 (title, parent);
-    }
-    else
-    {
-        for ( wxWindowList::Node * node = wxTopLevelWindows.GetFirst();
-              node;
-              node = node->GetNext() )
-        {
-            wxWindow *win = node->GetData();
-            wxWindow *retwin = wxFindWindowByName1 (title, win);
-            if (retwin)
-                return retwin;
-        }
-
-    }
-
-    // Failed? Try by label instead.
-    return wxFindWindowByLabel(title, parent);
-}
-
-// Recursive
-static wxWindow *
-wxFindWindowByName1 (const wxString& title, wxWindow * parent)
+wxFindWindowByName (const wxString& name, wxWindow * parent)

 {
 {

-  if (parent)
-    {
-            if ( parent->GetName() == title )
-                        return parent;
-    }
-
-  if (parent)
-    {
-      for (wxNode * node = parent->GetChildren().First (); node; node = node->Next ())
-        {
-          wxWindow *win = (wxWindow *) node->Data ();
-          wxWindow *retwin = wxFindWindowByName1 (title, win);
-          if (retwin)
-            return retwin;
-        }                        // for()
-
-    }
-
-  return (wxWindow *) NULL;                        // Not found
-
+    return wxWindow::FindWindowByName( name, parent );

 }
 
 // Returns menu item id or -1 if none.
 }
 
 // Returns menu item id or -1 if none.


@@ -647,10 +442,10 @@ wxWindow* wxFindWindowAtPoint(wxWindow* win, const wxPoint& pt)
       if (frame->GetToolBar())
         extraChildren.Append(frame->GetToolBar());
 
       if (frame->GetToolBar())
         extraChildren.Append(frame->GetToolBar());
 

-      wxNode* node = extraChildren.First();
+      wxNode* node = extraChildren.GetFirst();

       while (node)
       {
       while (node)
       {

-          wxWindow* child = (wxWindow*) node->Data();
+          wxWindow* child = (wxWindow*) node->GetData();

           wxWindow* foundWin = wxFindWindowAtPoint(child, pt);
           if (foundWin)
             return foundWin;
           wxWindow* foundWin = wxFindWindowAtPoint(child, pt);
           if (foundWin)
             return foundWin;


@@ -659,14 +454,14 @@ wxWindow* wxFindWindowAtPoint(wxWindow* win, const wxPoint& pt)
     }
     */
 
     }
     */
 

-    wxNode* node = win->GetChildren().Last();
+    wxWindowList::Node  *node = win->GetChildren().GetLast();

     while (node)
     {
     while (node)
     {

-        wxWindow* child = (wxWindow*) node->Data();
+        wxWindow* child = node->GetData();

         wxWindow* foundWin = wxFindWindowAtPoint(child, pt);
         if (foundWin)
           return foundWin;
         wxWindow* foundWin = wxFindWindowAtPoint(child, pt);
         if (foundWin)
           return foundWin;

-        node = node->Previous();
+        node = node->GetPrevious();

     }
 
     wxPoint pos = win->GetPosition();
     }
 
     wxPoint pos = win->GetPosition();


@@ -688,14 +483,14 @@ wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt)
     // Go backwards through the list since windows
     // on top are likely to have been appended most
     // recently.
     // Go backwards through the list since windows
     // on top are likely to have been appended most
     // recently.

-    wxNode* node = wxTopLevelWindows.Last();
+    wxWindowList::Node  *node = wxTopLevelWindows.GetLast();

     while (node)
     {
     while (node)
     {

-        wxWindow* win = (wxWindow*) node->Data();
+        wxWindow* win = node->GetData();

         wxWindow* found = wxFindWindowAtPoint(win, pt);
         if (found)
             return found;
         wxWindow* found = wxFindWindowAtPoint(win, pt);
         if (found)
             return found;

-        node = node->Previous();
+        node = node->GetPrevious();

     }
     return NULL;
 }
     }
     return NULL;
 }


@@ -1017,13 +812,11 @@ wxFont wxGetFontFromUser(wxWindow *parent, const wxFont& fontInit)
 // missing C RTL functions (FIXME shouldn't be here at all)
 // ----------------------------------------------------------------------------
 
 // missing C RTL functions (FIXME shouldn't be here at all)
 // ----------------------------------------------------------------------------
 

-#ifdef __MWERKS__
-#if __MSL__ < 0x7000
+#if defined( __MWERKS__ ) && !defined(__MACH__)

 char *strdup(const char *s)
 {
         return strcpy( (char*) malloc( strlen( s ) + 1 ) , s ) ;
 }
 char *strdup(const char *s)
 {
         return strcpy( (char*) malloc( strlen( s ) + 1 ) , s ) ;
 }

-#endif

 int isascii( int c )
 {
         return ( c >= 0 && c < 128 ) ;
 int isascii( int c )
 {
         return ( c >= 0 && c < 128 ) ;


@@ -1088,11 +881,15 @@ wxWindowDisabler::~wxWindowDisabler()
 
 // Yield to other apps/messages and disable user input to all windows except
 // the given one
 
 // Yield to other apps/messages and disable user input to all windows except
 // the given one

-bool wxSafeYield(wxWindow *win)
+bool wxSafeYield(wxWindow *win, bool onlyIfNeeded)

 {
     wxWindowDisabler wd(win);
 
 {
     wxWindowDisabler wd(win);
 

-    bool rc = wxYield();
+    bool rc;
+    if (onlyIfNeeded)
+        rc = wxYieldIfNeeded();
+    else
+        rc = wxYield();

 
     return rc;
 }
 
     return rc;
 }


@@ -1116,13 +913,13 @@ bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) )
 const wxChar *wxGetInstallPrefix()
 {
     wxString prefix;
 const wxChar *wxGetInstallPrefix()
 {
     wxString prefix;

-    
+

     if ( wxGetEnv(wxT("WXPREFIX"), &prefix) )
         return prefix.c_str();
     if ( wxGetEnv(wxT("WXPREFIX"), &prefix) )
         return prefix.c_str();

-    
+

 #ifdef wxINSTALL_PREFIX
     return wxT(wxINSTALL_PREFIX);
 #ifdef wxINSTALL_PREFIX
     return wxT(wxINSTALL_PREFIX);

-#else 
+#else

     return wxT("");
 #endif
 }
     return wxT("");
 #endif
 }


@@ -1278,6 +1075,40 @@ wxString wxGetCurrentDir()
 // wxExecute
 // ----------------------------------------------------------------------------
 
 // wxExecute
 // ----------------------------------------------------------------------------
 

+// wxDoExecuteWithCapture() helper: reads an entire stream into one array
+//
+// returns TRUE if ok, FALSE if error
+#if wxUSE_STREAMS
+static bool ReadAll(wxInputStream *is, wxArrayString& output)
+{
+    wxCHECK_MSG( is, FALSE, _T("NULL stream in wxExecute()?") );
+
+    // the stream could be already at EOF or in wxSTREAM_BROKEN_PIPE state
+    is->Reset();
+
+    wxTextInputStream tis(*is);
+
+    bool cont = TRUE;
+    while ( cont )
+    {
+        wxString line = tis.ReadLine();
+        if ( is->Eof() )
+            break;
+
+        if ( !*is )
+        {
+            cont = FALSE;
+        }
+        else
+        {
+            output.Add(line);
+        }
+    }
+
+    return cont;
+}
+#endif // wxUSE_STREAMS
+

 // this is a private function because it hasn't a clean interface: the first
 // array is passed by reference, the second by pointer - instead we have 2
 // public versions of wxExecute() below
 // this is a private function because it hasn't a clean interface: the first
 // array is passed by reference, the second by pointer - instead we have 2
 // public versions of wxExecute() below


@@ -1299,51 +1130,15 @@ static long wxDoExecuteWithCapture(const wxString& command,
 #if wxUSE_STREAMS
     if ( rc != -1 )
     {
 #if wxUSE_STREAMS
     if ( rc != -1 )
     {

-        wxInputStream* is = process->GetInputStream();
-        wxCHECK_MSG( is, -1, _T("if wxExecute() succeded, stream can't be NULL") );
-        wxTextInputStream tis(*is);
+        if ( !ReadAll(process->GetInputStream(), output) )
+            rc = -1;

 
 

-        wxTextInputStream *tes = NULL;
-        wxInputStream *es = NULL;

         if ( error )
         {
         if ( error )
         {

-            es = process->GetErrorStream();
-
-            wxCHECK_MSG( es, -1, _T("stderr can't be NULL") );
-
-            tes = new wxTextInputStream(*es);
-        }
-
-        bool cont;
-        do
-        {
-            cont = FALSE;
-
-            if ( !is->Eof() && is->IsOk() )
-            {
-                wxString line = tis.ReadLine();
-                if ( is->LastError() )
-                    break;
-
-                cont = TRUE;
-
-                output.Add(line);
-            }
-
-            if ( error && !es->Eof() && es->IsOk() )
-            {
-                wxString line = tes->ReadLine();
-                if ( es->LastError() )
-                    break;
-
-                cont = TRUE;
-
-                error->Add(line);
-            }
+            if ( !ReadAll(process->GetErrorStream(), *error) )
+                rc = -1;

         }
         }

-        while ( cont );

 
 

-        delete tes;

     }
 #endif // wxUSE_STREAMS
 
     }
 #endif // wxUSE_STREAMS