i18n files are installed as part of wxBase (and should be ideally part of separate...

[wxWidgets.git] / src / xml / xml.cpp

diff --git a/src/xml/xml.cpp b/src/xml/xml.cpp
index 1df50a7f8af63e159b0e45aa14dfdf9edd12c182..990d6aa81fb2e44650c88fd3c1824a7ea48d2223 100644 (file)
--- a/src/xml/xml.cpp
+++ b/src/xml/xml.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        xml.cpp
+// Name:        src/xml/xml.cpp

 // Purpose:     wxXmlDocument - XML parser & data holder class
 // Author:      Vaclav Slavik
 // Created:     2000/03/05
 // Purpose:     wxXmlDocument - XML parser & data holder class
 // Author:      Vaclav Slavik
 // Created:     2000/03/05


@@ -8,10 +8,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "xml.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -19,23 +15,31 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#if wxUSE_XML
+

 #include "wx/xml/xml.h"
 
 #include "wx/xml/xml.h"
 

-#if wxUSE_XML
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/app.h"
+#endif

 
 #include "wx/wfstream.h"
 #include "wx/datstrm.h"
 #include "wx/zstream.h"
 
 #include "wx/wfstream.h"
 #include "wx/datstrm.h"
 #include "wx/zstream.h"

-#include "wx/log.h"
-#include "wx/intl.h"

 #include "wx/strconv.h"
 
 #include "expat.h" // from Expat
 
 // DLL options compatibility check:
 #include "wx/strconv.h"
 
 #include "expat.h" // from Expat
 
 // DLL options compatibility check:

-#include "wx/app.h"

 WX_CHECK_BUILD_OPTIONS("wxXML")
 
 WX_CHECK_BUILD_OPTIONS("wxXML")
 

+
+IMPLEMENT_CLASS(wxXmlDocument, wxObject)
+
+
+

 //-----------------------------------------------------------------------------
 //  wxXmlNode
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //  wxXmlNode
 //-----------------------------------------------------------------------------


@@ -272,6 +276,20 @@ bool wxXmlNode::DeleteProperty(const wxString& name)
     }
 }
 
     }
 }
 

+wxString wxXmlNode::GetNodeContent() const
+{
+    wxXmlNode *n = GetChildren();
+
+    while (n)
+    {
+        if (n->GetType() == wxXML_TEXT_NODE ||
+            n->GetType() == wxXML_CDATA_SECTION_NODE)
+            return n->GetContent();
+        n = n->GetNext();
+    }
+    return wxEmptyString;
+}
+

 
 
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------


@@ -330,12 +348,16 @@ void wxXmlDocument::DoCopy(const wxXmlDocument& doc)
 bool wxXmlDocument::Load(const wxString& filename, const wxString& encoding)
 {
     wxFileInputStream stream(filename);
 bool wxXmlDocument::Load(const wxString& filename, const wxString& encoding)
 {
     wxFileInputStream stream(filename);

+    if (!stream.Ok())
+        return false;

     return Load(stream, encoding);
 }
 
 bool wxXmlDocument::Save(const wxString& filename) const
 {
     wxFileOutputStream stream(filename);
     return Load(stream, encoding);
 }
 
 bool wxXmlDocument::Save(const wxString& filename) const
 {
     wxFileOutputStream stream(filename);

+    if (!stream.Ok())
+        return false;

     return Save(stream);
 }
 
     return Save(stream);
 }
 


@@ -350,29 +372,30 @@ bool wxXmlDocument::Save(const wxString& filename) const
        - process all elements, including CDATA
  */
 
        - process all elements, including CDATA
  */
 

-// converts Expat-produced string in UTF-8 into wxString.
-inline static wxString CharToString(wxMBConv *conv,
+// converts Expat-produced string in UTF-8 into wxString using the specified
+// conv or keep in UTF-8 if conv is NULL
+static wxString CharToString(wxMBConv *conv,

                                     const char *s, size_t len = wxSTRING_MAXLEN)
 {
 #if wxUSE_UNICODE
                                     const char *s, size_t len = wxSTRING_MAXLEN)
 {
 #if wxUSE_UNICODE

-    (void)conv;
+    wxUnusedVar(conv);
+

     return wxString(s, wxConvUTF8, len);
     return wxString(s, wxConvUTF8, len);

-#else
+#else // !wxUSE_UNICODE

     if ( conv )
     {
     if ( conv )
     {

-        size_t nLen = (len != wxSTRING_MAXLEN) ? len :
-                          wxConvUTF8.MB2WC((wchar_t*) NULL, s, 0);
+        // there can be no embedded NULs in this string so we don't need the
+        // output length, it will be NUL-terminated
+        const wxWCharBuffer wbuf(
+            wxConvUTF8.cMB2WC(s, len == wxSTRING_MAXLEN ? wxNO_LEN : len, NULL));

 
 

-        wchar_t *buf = new wchar_t[nLen+1];
-        wxConvUTF8.MB2WC(buf, s, nLen);
-        buf[nLen] = 0;
-        wxString str(buf, *conv, len);
-        delete[] buf;
-        return str;
+        return wxString(wbuf, *conv);

     }
     }

-    else
+    else // already in UTF-8, no conversion needed
+    {

         return wxString(s, len != wxSTRING_MAXLEN ? len : strlen(s));
         return wxString(s, len != wxSTRING_MAXLEN ? len : strlen(s));

-#endif
+    }
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE

 }
 
 struct wxXmlParsingContext
 }
 
 struct wxXmlParsingContext


@@ -598,33 +621,42 @@ bool wxXmlDocument::Load(wxInputStream& stream, const wxString& encoding)
 
 // write string to output:
 inline static void OutputString(wxOutputStream& stream, const wxString& str,
 
 // write string to output:
 inline static void OutputString(wxOutputStream& stream, const wxString& str,

-#if wxUSE_UNICODE
-    wxMBConv * WXUNUSED(convMem),
-#else
-    wxMBConv *convMem,
-#endif
-    wxMBConv *convFile)
+                                wxMBConv *convMem = NULL,
+                                wxMBConv *convFile = NULL)

 {
 {

-    if (str.empty()) return;
+    if (str.empty())
+        return;
+

 #if wxUSE_UNICODE
 #if wxUSE_UNICODE

+    wxUnusedVar(convMem);
+

     const wxWX2MBbuf buf(str.mb_str(*(convFile ? convFile : &wxConvUTF8)));
     stream.Write((const char*)buf, strlen((const char*)buf));
     const wxWX2MBbuf buf(str.mb_str(*(convFile ? convFile : &wxConvUTF8)));
     stream.Write((const char*)buf, strlen((const char*)buf));

-#else
-    if ( convFile == NULL )
-        stream.Write(str.mb_str(), str.Len());
-    else
+#else // !wxUSE_UNICODE
+    if ( convFile && convMem )

     {
         wxString str2(str.wc_str(*convMem), *convFile);
         stream.Write(str2.mb_str(), str2.Len());
     }
     {
         wxString str2(str.wc_str(*convMem), *convFile);
         stream.Write(str2.mb_str(), str2.Len());
     }

-#endif
+    else // no conversions to do
+    {
+        stream.Write(str.mb_str(), str.Len());
+    }
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE

 }
 
 }
 

+// flags for OutputStringEnt()
+enum
+{
+    XML_ESCAPE_QUOTES = 1
+};
+

 // Same as above, but create entities first.
 // Translates '<' to "&lt;", '>' to "&gt;" and '&' to "&amp;"
 static void OutputStringEnt(wxOutputStream& stream, const wxString& str,
 // Same as above, but create entities first.
 // Translates '<' to "&lt;", '>' to "&gt;" and '&' to "&amp;"
 static void OutputStringEnt(wxOutputStream& stream, const wxString& str,

-                            wxMBConv *convMem, wxMBConv *convFile,
-                            bool escapeQuotes = false)
+                            wxMBConv *convMem = NULL,
+                            wxMBConv *convFile = NULL,
+                            int flags = 0)

 {
     wxString buf;
     size_t i, last, len;
 {
     wxString buf;
     size_t i, last, len;


@@ -637,24 +669,25 @@ static void OutputStringEnt(wxOutputStream& stream, const wxString& str,
         c = str.GetChar(i);
         if (c == wxT('<') || c == wxT('>') ||
             (c == wxT('&') && str.Mid(i+1, 4) != wxT("amp;")) ||
         c = str.GetChar(i);
         if (c == wxT('<') || c == wxT('>') ||
             (c == wxT('&') && str.Mid(i+1, 4) != wxT("amp;")) ||

-            (escapeQuotes && c == wxT('"')))
+            ((flags & XML_ESCAPE_QUOTES) && c == wxT('"')))

         {
             OutputString(stream, str.Mid(last, i - last), convMem, convFile);
             switch (c)
             {
                 case wxT('<'):
         {
             OutputString(stream, str.Mid(last, i - last), convMem, convFile);
             switch (c)
             {
                 case wxT('<'):

-                    OutputString(stream, wxT("&lt;"), NULL, NULL);
+                    OutputString(stream, wxT("&lt;"));

                     break;
                 case wxT('>'):
                     break;
                 case wxT('>'):

-                    OutputString(stream, wxT("&gt;"), NULL, NULL);
+                    OutputString(stream, wxT("&gt;"));

                     break;
                 case wxT('&'):
                     break;
                 case wxT('&'):

-                    OutputString(stream, wxT("&amp;"), NULL, NULL);
+                    OutputString(stream, wxT("&amp;"));

                     break;
                 case wxT('"'):
                     break;
                 case wxT('"'):

-                    OutputString(stream, wxT("&quot;"), NULL, NULL);
+                    OutputString(stream, wxT("&quot;"));
+                    break;
+                default:

                     break;
                     break;

-                default: break;

             }
             last = i + 1;
         }
             }
             last = i + 1;
         }


@@ -667,7 +700,7 @@ inline static void OutputIndentation(wxOutputStream& stream, int indent)
     wxString str = wxT("\n");
     for (int i = 0; i < indent; i++)
         str << wxT(' ') << wxT(' ');
     wxString str = wxT("\n");
     for (int i = 0; i < indent; i++)
         str << wxT(' ') << wxT(' ');

-    OutputString(stream, str, NULL, NULL);
+    OutputString(stream, str);

 }
 
 static void OutputNode(wxOutputStream& stream, wxXmlNode *node, int indent,
 }
 
 static void OutputNode(wxOutputStream& stream, wxXmlNode *node, int indent,


@@ -683,23 +716,22 @@ static void OutputNode(wxOutputStream& stream, wxXmlNode *node, int indent,
             break;
 
         case wxXML_ELEMENT_NODE:
             break;
 
         case wxXML_ELEMENT_NODE:

-            OutputString(stream, wxT("<"), NULL, NULL);
-            OutputString(stream, node->GetName(), NULL, NULL);
+            OutputString(stream, wxT("<"));
+            OutputString(stream, node->GetName());

 
             prop = node->GetProperties();
             while (prop)
             {
 
             prop = node->GetProperties();
             while (prop)
             {

-                OutputString(stream, wxT(" ") + prop->GetName() +  wxT("=\""),
-                             NULL, NULL);
-                OutputStringEnt(stream, prop->GetValue(), NULL, NULL,
-                                true/*escapeQuotes*/);
-                OutputString(stream, wxT("\""), NULL, NULL);
+                OutputString(stream, wxT(" ") + prop->GetName() +  wxT("=\""));
+                OutputStringEnt(stream, prop->GetValue(), convMem, convFile,
+                                XML_ESCAPE_QUOTES);
+                OutputString(stream, wxT("\""));

                 prop = prop->GetNext();
             }
 
             if (node->GetChildren())
             {
                 prop = prop->GetNext();
             }
 
             if (node->GetChildren())
             {

-                OutputString(stream, wxT(">"), NULL, NULL);
+                OutputString(stream, wxT(">"));

                 prev = NULL;
                 n = node->GetChildren();
                 while (n)
                 prev = NULL;
                 n = node->GetChildren();
                 while (n)


@@ -712,18 +744,18 @@ static void OutputNode(wxOutputStream& stream, wxXmlNode *node, int indent,
                 }
                 if (prev && prev->GetType() != wxXML_TEXT_NODE)
                     OutputIndentation(stream, indent);
                 }
                 if (prev && prev->GetType() != wxXML_TEXT_NODE)
                     OutputIndentation(stream, indent);

-                OutputString(stream, wxT("</"), NULL, NULL);
-                OutputString(stream, node->GetName(), NULL, NULL);
-                OutputString(stream, wxT(">"), NULL, NULL);
+                OutputString(stream, wxT("</"));
+                OutputString(stream, node->GetName());
+                OutputString(stream, wxT(">"));

             }
             else
             }
             else

-                OutputString(stream, wxT("/>"), NULL, NULL);
+                OutputString(stream, wxT("/>"));

             break;
 
         case wxXML_COMMENT_NODE:
             break;
 
         case wxXML_COMMENT_NODE:

-            OutputString(stream, wxT("<!--"), NULL, NULL);
+            OutputString(stream, wxT("<!--"));

             OutputString(stream, node->GetContent(), convMem, convFile);
             OutputString(stream, node->GetContent(), convMem, convFile);

-            OutputString(stream, wxT("-->"), NULL, NULL);
+            OutputString(stream, wxT("-->"));

             break;
 
         default:
             break;
 
         default:


@@ -753,10 +785,10 @@ bool wxXmlDocument::Save(wxOutputStream& stream) const
 
     s.Printf(wxT("<?xml version=\"%s\" encoding=\"%s\"?>\n"),
              GetVersion().c_str(), GetFileEncoding().c_str());
 
     s.Printf(wxT("<?xml version=\"%s\" encoding=\"%s\"?>\n"),
              GetVersion().c_str(), GetFileEncoding().c_str());

-    OutputString(stream, s, NULL, NULL);
+    OutputString(stream, s);

 
     OutputNode(stream, GetRoot(), 0, convMem, convFile);
 
     OutputNode(stream, GetRoot(), 0, convMem, convFile);

-    OutputString(stream, wxT("\n"), NULL, NULL);
+    OutputString(stream, wxT("\n"));

 
     if ( convFile )
         delete convFile;
 
     if ( convFile )
         delete convFile;