Busy cursor don't need wxYield(), SendIdleEvents()

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

diff --git a/src/html/helpdata.cpp b/src/html/helpdata.cpp
index fb87c1af12be0e73055d00a0392ba70b6eac4e23..7c362ef056ac0f5f999fabbaa06e336f81663422 100644 (file)
--- a/src/html/helpdata.cpp
+++ b/src/html/helpdata.cpp
@@ -1,17 +1,16 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        helpdata.cpp
 // Purpose:     wxHtmlHelpData
 /////////////////////////////////////////////////////////////////////////////
 // Name:        helpdata.cpp
 // Purpose:     wxHtmlHelpData

-// Notes:       Based on htmlhelp.cpp, implementing a monolithic 
+// Notes:       Based on htmlhelp.cpp, implementing a monolithic

 //              HTML Help controller class,  by Vaclav Slavik
 // Author:      Harm van der Heijden and Vaclav Slavik
 //              HTML Help controller class,  by Vaclav Slavik
 // Author:      Harm van der Heijden and Vaclav Slavik

-// Created:
-// RCS-ID:
+// RCS-ID:      $Id$

 // Copyright:   (c) Harm van der Heijden and Vaclav Slavik
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 // Copyright:   (c) Harm van der Heijden and Vaclav Slavik
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__

-#pragma implementation "helpdata.h"
+#pragma implementation

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


@@ -23,7 +22,7 @@
 
 #include "wx/defs.h"
 
 
 #include "wx/defs.h"
 

-#if wxUSE_HTML
+#if wxUSE_HTML && wxUSE_STREAMS

 
 #ifndef WXPRECOMP
 #include "wx/wx.h"
 
 #ifndef WXPRECOMP
 #include "wx/wx.h"


@@ -33,7 +32,10 @@
 #include "wx/tokenzr.h"
 #include "wx/wfstream.h"
 #include "wx/busyinfo.h"
 #include "wx/tokenzr.h"
 #include "wx/wfstream.h"
 #include "wx/busyinfo.h"

-#include "wx/html/htmlparser.h"
+#include "wx/encconv.h"
+#include "wx/fontmap.h"
+#include "wx/log.h"
+#include "wx/html/htmlpars.h"

 #include "wx/html/htmldefs.h"
 
 #include "wx/arrimpl.cpp"
 #include "wx/html/htmldefs.h"
 
 #include "wx/arrimpl.cpp"


@@ -56,22 +58,10 @@ static char* ReadLine(char *line, char *buf)
 }
 
 
 }
 
 

-static wxString SafeFileName(const wxString& s)
-{
-    wxString res = s;
-    res.Replace(":", "_", TRUE);
-    res.Replace(" ", "_", TRUE);
-    res.Replace("/", "_", TRUE);
-    res.Replace("\\", "_", TRUE);
-    res.Replace("#", "_", TRUE);
-    res.Replace(".", "_", TRUE);
-    return res;
-}

 
 

-
-static int IndexCompareFunc(const void *a, const void *b)
+static int LINKAGEMODE IndexCompareFunc(const void *a, const void *b)

 {
 {

-    return strcmp(((wxHtmlContentsItem*)a) -> m_Name, ((wxHtmlContentsItem*)b) -> m_Name);
+    return wxStrcmp(((wxHtmlContentsItem*)a)->m_Name, ((wxHtmlContentsItem*)b)->m_Name);

 }
 
 
 }
 
 


@@ -82,8 +72,8 @@ static int IndexCompareFunc(const void *a, const void *b)
 class HP_Parser : public wxHtmlParser
 {
     public:
 class HP_Parser : public wxHtmlParser
 {
     public:

-        void AddText(const char* text) {}
-        wxObject* GetProduct() {return NULL;}
+        void AddText(const char* WXUNUSED(text)) { }
+        wxObject* GetProduct() { return NULL; }

 };
 
 
 };
 
 


@@ -96,15 +86,17 @@ class HP_TagHandler : public wxHtmlTagHandler
     private:
         wxString m_Name, m_Page;
         int m_Level;
     private:
         wxString m_Name, m_Page;
         int m_Level;

-       int m_ID;
+        int m_ID;

         int m_Index;
         wxHtmlContentsItem *m_Items;
         int m_ItemsCnt;
         wxHtmlBookRecord *m_Book;
 
     public:
         int m_Index;
         wxHtmlContentsItem *m_Items;
         int m_ItemsCnt;
         wxHtmlBookRecord *m_Book;
 
     public:

-        HP_TagHandler(wxHtmlBookRecord *b) : wxHtmlTagHandler() {m_Book = b; m_Items = NULL; m_ItemsCnt = 0; m_Name = m_Page = wxEmptyString; m_Level = 0;}
-        wxString GetSupportedTags() {return "UL,OBJECT,PARAM";}
+        HP_TagHandler(wxHtmlBookRecord *b) : wxHtmlTagHandler() 
+               { m_Book = b; m_Items = NULL; m_ItemsCnt = 0; m_Name = m_Page = wxEmptyString; 
+                     m_Level = 0; m_ID = -1; }
+        wxString GetSupportedTags() { return wxT("UL,OBJECT,PARAM"); }

         bool HandleTag(const wxHtmlTag& tag);
         void WriteOut(wxHtmlContentsItem*& array, int& size);
         void ReadIn(wxHtmlContentsItem* array, int size);
         bool HandleTag(const wxHtmlTag& tag);
         void WriteOut(wxHtmlContentsItem*& array, int& size);
         void ReadIn(wxHtmlContentsItem* array, int size);


@@ -113,35 +105,172 @@ class HP_TagHandler : public wxHtmlTagHandler
 
 bool HP_TagHandler::HandleTag(const wxHtmlTag& tag)
 {
 
 bool HP_TagHandler::HandleTag(const wxHtmlTag& tag)
 {

-    if (tag.GetName() == "UL") {
+    if (tag.GetName() == wxT("UL")) 
+    {

         m_Level++;
         ParseInner(tag);
         m_Level--;
         return TRUE;
     }
         m_Level++;
         ParseInner(tag);
         m_Level--;
         return TRUE;
     }

-
-    else if (tag.GetName() == "OBJECT") {
+    else if (tag.GetName() == wxT("OBJECT")) 
+    {

         m_Name = m_Page = wxEmptyString;
         ParseInner(tag);
         m_Name = m_Page = wxEmptyString;
         ParseInner(tag);

-        if (m_Page != wxEmptyString) {
-            if (m_ItemsCnt % HTML_REALLOC_STEP == 0)
-                m_Items = (wxHtmlContentsItem*) realloc(m_Items, (m_ItemsCnt + HTML_REALLOC_STEP) * sizeof(wxHtmlContentsItem));
+
+        if (!m_Page.IsEmpty())
+        /* should be 'if (tag.GetParam("TYPE") == "text/sitemap")'
+           but this works fine. Valid HHW's file may contain only two
+           object tags:
+           
+           <OBJECT type="text/site properties">
+               <param name="ImageType" value="Folder">
+           </OBJECT>
+           
+           or
+           
+              <OBJECT type="text/sitemap">
+                      <param name="Name" value="main page">
+                      <param name="Local" value="another.htm">
+                  </OBJECT>
+           
+           We're interested in the latter. !m_Page.IsEmpty() is valid
+           condition because text/site properties does not contain Local param
+        */
+        {
+            if (m_ItemsCnt % wxHTML_REALLOC_STEP == 0)
+                m_Items = (wxHtmlContentsItem*) realloc(m_Items, (m_ItemsCnt + wxHTML_REALLOC_STEP) * sizeof(wxHtmlContentsItem));

             m_Items[m_ItemsCnt].m_Level = m_Level;
             m_Items[m_ItemsCnt].m_ID = m_ID;
             m_Items[m_ItemsCnt].m_Level = m_Level;
             m_Items[m_ItemsCnt].m_ID = m_ID;

-            m_Items[m_ItemsCnt].m_Page = new char[m_Page.Length() + 1];
-            strcpy(m_Items[m_ItemsCnt].m_Page, m_Page.c_str());
-            m_Items[m_ItemsCnt].m_Name = new char [m_Name.Length() + 1];
-            strcpy(m_Items[m_ItemsCnt].m_Name, m_Name.c_str());
+            m_Items[m_ItemsCnt].m_Page = new wxChar[m_Page.Length() + 1];
+            wxStrcpy(m_Items[m_ItemsCnt].m_Page, m_Page.c_str());
+            m_Items[m_ItemsCnt].m_Name = new wxChar [m_Name.Length() + 1];
+            wxStrcpy(m_Items[m_ItemsCnt].m_Name, m_Name.c_str());

             m_Items[m_ItemsCnt].m_Book = m_Book;
             m_ItemsCnt++;
         }
             m_Items[m_ItemsCnt].m_Book = m_Book;
             m_ItemsCnt++;
         }

+

         return TRUE;
     }
         return TRUE;
     }

-
-    else { // "PARAM"
-        if (m_Name == wxEmptyString && tag.GetParam("NAME") == "Name") m_Name = tag.GetParam("VALUE");
-        if (tag.GetParam("NAME") == "Local") m_Page = tag.GetParam("VALUE");
-        if (tag.GetParam("NAME") == "ID") tag.ScanParam("VALUE", "%i", &m_ID); 
+    else 
+    { // "PARAM"
+        if (m_Name == wxEmptyString && tag.GetParam(wxT("NAME")) == wxT("Name")) 
+        {
+            m_Name = tag.GetParam(wxT("VALUE"));
+            if (m_Name.Find(wxT('&')) != -1) 
+            {
+        #define ESCSEQ(escape, subst)  \
+                          { _T("&") _T(escape) _T(";"), _T("&") _T(escape) _T(" "), _T(subst) } 
+                static wxChar* substitutions[][3] = 
+                        {
+                        ESCSEQ("quot", "\""),
+                        ESCSEQ("lt", "<"),
+                        ESCSEQ("gt", ">"),
+
+                        ESCSEQ("nbsp", " "),
+                        ESCSEQ("iexcl", "!"),
+                        ESCSEQ("cent", "¢"),
+
+                        ESCSEQ("yen", " "),
+                        ESCSEQ("brkbar", " "),
+                        ESCSEQ("sect", " "),
+                        ESCSEQ("uml", " "),
+
+                        ESCSEQ("copy", "(c)"),
+                        ESCSEQ("ordf", " "),
+                        ESCSEQ("laquo", " "),
+                        ESCSEQ("not", " "),
+
+                        ESCSEQ("reg", "(r)"),
+
+                        ESCSEQ("deg", " "),
+                        ESCSEQ("plusm", " "),
+
+                        ESCSEQ("acute", " "),
+                        ESCSEQ("micro", " "),
+                        ESCSEQ("para", " "),
+
+                        ESCSEQ("ordm", " "),
+                        ESCSEQ("raquo", " "),
+
+                        ESCSEQ("iquest", " "),
+                        ESCSEQ("Agrave", "À"),
+
+                        ESCSEQ("Acirc", "Â"),
+                        ESCSEQ("Atilde", "Ã"),
+                        ESCSEQ("Auml", "Ä"),
+                        ESCSEQ("Aring", " "),
+                        ESCSEQ("AElig", " "),
+                        ESCSEQ("Ccedil", "ç"),
+                        ESCSEQ("Egrave", "È"),
+                        ESCSEQ("Eacute", "É"),
+                        ESCSEQ("Ecirc", "Ê"),
+                        ESCSEQ("Euml", "Ë"),
+                        ESCSEQ("Igrave", "Ì"),
+
+                        ESCSEQ("Icirc", "Î"),
+                        ESCSEQ("Iuml", "Ï"),
+
+                        ESCSEQ("Ntilde", "Ñ"),
+                        ESCSEQ("Ograve", "Ò"),
+
+                        ESCSEQ("Ocirc", "Ô"),
+                        ESCSEQ("Otilde", "Õ"),
+                        ESCSEQ("Ouml", "Ö"),
+
+                        ESCSEQ("Oslash", " "),
+                        ESCSEQ("Ugrave", "Ù"),
+
+                        ESCSEQ("Ucirc", " "),
+                        ESCSEQ("Uuml", "Ü"),
+
+                        ESCSEQ("szlig", "§"),
+                        ESCSEQ("agrave;","à"),
+                        ESCSEQ("aacute", "á"),
+                        ESCSEQ("acirc", "â"),
+                        ESCSEQ("atilde", "ã"),
+                        ESCSEQ("auml", "ä"),
+                        ESCSEQ("aring", "a"),
+                        ESCSEQ("aelig", "ae"),
+                        ESCSEQ("ccedil", "ç"),
+                        ESCSEQ("egrave", "è"),
+                        ESCSEQ("eacute", "é"),
+                        ESCSEQ("ecirc", "ê"),
+                        ESCSEQ("euml", "ë"),
+                        ESCSEQ("igrave", "ì"),
+                        ESCSEQ("iacute", "í"),
+                        ESCSEQ("icirc", " "),
+                        ESCSEQ("iuml", "ï"),
+                        ESCSEQ("eth", " "),
+                        ESCSEQ("ntilde", "ñ"),
+                        ESCSEQ("ograve", "ò"),
+                        ESCSEQ("oacute", "ó"),
+                        ESCSEQ("ocirc", "ô"),
+                        ESCSEQ("otilde", "õ"),
+                        ESCSEQ("ouml", "ö"),
+                        ESCSEQ("divide", " "),
+                        ESCSEQ("oslash", " "),
+                        ESCSEQ("ugrave", "ù"),
+                        ESCSEQ("uacute", "ú"),
+                        ESCSEQ("ucirc", "û"),
+                        ESCSEQ("uuml", "ü"),
+
+                        ESCSEQ("yuml", ""),
+
+                        /* this one should ALWAYS stay the last one!!! */
+                        ESCSEQ("amp", "&"),
+
+                        { NULL, NULL, NULL }
+                        };
+
+                for (int i = 0; substitutions[i][0] != NULL; i++) 
+                {
+                    m_Name.Replace(substitutions[i][0], substitutions[i][2], TRUE);
+                    m_Name.Replace(substitutions[i][1], substitutions[i][2], TRUE);
+                }
+            }
+        }
+        if (tag.GetParam(wxT("NAME")) == wxT("Local")) m_Page = tag.GetParam(wxT("VALUE"));
+        if (tag.GetParam(wxT("NAME")) == wxT("ID")) tag.ScanParam(wxT("VALUE"), wxT("%i"), &m_ID);

         return FALSE;
     }
 }
         return FALSE;
     }
 }


@@ -162,13 +291,16 @@ void HP_TagHandler::ReadIn(wxHtmlContentsItem* array, int size)
     m_ItemsCnt = size;
 }
 
     m_ItemsCnt = size;
 }
 

+
+
+

 //-----------------------------------------------------------------------------
 // wxHtmlHelpData
 //-----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS(wxHtmlHelpData, wxObject)
 
 //-----------------------------------------------------------------------------
 // wxHtmlHelpData
 //-----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS(wxHtmlHelpData, wxObject)
 

-wxHtmlHelpData::wxHtmlHelpData() 
+wxHtmlHelpData::wxHtmlHelpData()

 {
     m_TempPath = wxEmptyString;
 
 {
     m_TempPath = wxEmptyString;
 


@@ -183,15 +315,19 @@ wxHtmlHelpData::~wxHtmlHelpData()
     int i;
 
     m_BookRecords.Empty();
     int i;
 
     m_BookRecords.Empty();

-    if (m_Contents) {
-        for (i = 0; i < m_ContentsCnt; i++) {
+    if (m_Contents) 
+    {
+        for (i = 0; i < m_ContentsCnt; i++) 
+           {

             delete[] m_Contents[i].m_Page;
             delete[] m_Contents[i].m_Name;
         }
         free(m_Contents);
     }
             delete[] m_Contents[i].m_Page;
             delete[] m_Contents[i].m_Name;
         }
         free(m_Contents);
     }

-    if (m_Index) {
-        for (i = 0; i < m_IndexCnt; i++) {
+    if (m_Index) 
+    {
+        for (i = 0; i < m_IndexCnt; i++) 
+           {

             delete[] m_Index[i].m_Page;
             delete[] m_Index[i].m_Name;
         }
             delete[] m_Index[i].m_Page;
             delete[] m_Index[i].m_Name;
         }


@@ -205,78 +341,119 @@ bool wxHtmlHelpData::LoadMSProject(wxHtmlBookRecord *book, wxFileSystem& fsys, c
     char *buf;
     int sz;
     wxString string;
     char *buf;
     int sz;
     wxString string;

-    
+

     HP_Parser parser;
     HP_TagHandler *handler = new HP_TagHandler(book);
     parser.AddTagHandler(handler);
 
     HP_Parser parser;
     HP_TagHandler *handler = new HP_TagHandler(book);
     parser.AddTagHandler(handler);
 

-    f = ( contentsfile.IsEmpty() ? NULL : fsys.OpenFile(contentsfile) );
-    if (f) {
-        sz = f -> GetStream() -> GetSize();
-        buf = new char[sz+1];
+    f = ( contentsfile.IsEmpty() ? (wxFSFile*) NULL : fsys.OpenFile(contentsfile) );
+    if (f) 
+    {
+        sz = f->GetStream()->GetSize();
+        buf = new char[sz + 1];

         buf[sz] = 0;
         buf[sz] = 0;

-        f -> GetStream() -> Read(buf, sz);
+        f->GetStream()->Read(buf, sz);

         delete f;
         delete f;

-        handler -> ReadIn(m_Contents, m_ContentsCnt);
+        handler->ReadIn(m_Contents, m_ContentsCnt);

         parser.Parse(buf);
         parser.Parse(buf);

-        handler -> WriteOut(m_Contents, m_ContentsCnt);
+        handler->WriteOut(m_Contents, m_ContentsCnt);

         delete[] buf;
     }
         delete[] buf;
     }

-
-    f = ( indexfile.IsEmpty() ? NULL : fsys.OpenFile(indexfile) );
-    if (f) {
-        sz = f -> GetStream() -> GetSize();
-        buf = new  char[sz+1];
+    else
+        wxLogError(_("Cannot open contents file: %s"), contentsfile.c_str());
+
+    f = ( indexfile.IsEmpty() ? (wxFSFile*) NULL : fsys.OpenFile(indexfile) );
+    if (f) 
+    {
+        sz = f->GetStream()->GetSize();
+        buf = new char[sz + 1];

         buf[sz] = 0;
         buf[sz] = 0;

-        f -> GetStream() -> Read(buf, sz);
+        f->GetStream()->Read(buf, sz);

         delete f;
         delete f;

-        handler -> ReadIn(m_Index, m_IndexCnt);
+        handler->ReadIn(m_Index, m_IndexCnt);

         parser.Parse(buf);
         parser.Parse(buf);

-        handler -> WriteOut(m_Index, m_IndexCnt);
+        handler->WriteOut(m_Index, m_IndexCnt);

         delete[] buf;
     }
         delete[] buf;
     }

+    else if (!indexfile.IsEmpty())
+        wxLogError(_("Cannot open index file: %s"), indexfile.c_str());

     return TRUE;
 }
 
 
     return TRUE;
 }
 
 

+
+
+#if wxUSE_UNICODE
+
+#define READ_STRING(f, s, lng) { char tmpc; for (int i = 0; i < lng; i++) { f->Read(&tmpc, 1); s[i] = (wxChar)tmpc;} }
+#define WRITE_STRING(f, s, lng) { char tmpc; for (int i = 0; i < lng; i++) { tmpc = (char)s[i]; f->Write(&tmpc, 1);} }
+
+#else
+
+#define READ_STRING(f, s, lng) f->Read(s, lng * sizeof(char));
+#define WRITE_STRING(f, s, lng) f->Write(s, lng * sizeof(char));
+
+#endif
+
+
+#define CURRENT_CACHED_BOOK_VERSION     1
+

 bool wxHtmlHelpData::LoadCachedBook(wxHtmlBookRecord *book, wxInputStream *f)
 {
     int i, st;
 bool wxHtmlHelpData::LoadCachedBook(wxHtmlBookRecord *book, wxInputStream *f)
 {
     int i, st;

-    int x;
+    wxInt32 x;
+    wxInt32 version;

 
 

+    /* load header - version info : */
+
+    f->Read(&x, sizeof(x));
+    version = wxINT32_SWAP_ON_BE(x);
+    
+    if (version != CURRENT_CACHED_BOOK_VERSION) 
+    {
+        wxLogError(_("Incorrect version of HTML help book"));
+        return FALSE;
+        // NOTE: when adding new version, please ensure backward compatibility!
+    }
+    

     /* load contents : */
 
     /* load contents : */
 

-    f -> Read(&x, sizeof(x));
+    f->Read(&x, sizeof(x));

     st = m_ContentsCnt;
     st = m_ContentsCnt;

-    m_ContentsCnt += x;
-    m_Contents = (wxHtmlContentsItem*) realloc(m_Contents, (m_ContentsCnt / HTML_REALLOC_STEP + 1) * HTML_REALLOC_STEP * sizeof(wxHtmlContentsItem));
-    for (i = st; i < m_ContentsCnt; i++) {
-        f -> Read(&x, sizeof(x));
-        m_Contents[i].m_Level = x;
-        f -> Read(&x, sizeof(x));
-        m_Contents[i].m_ID = x;
-        f -> Read(&x, sizeof(x));
-        m_Contents[i].m_Name = new char[x];
-        f -> Read(m_Contents[i].m_Name, x);
-        f -> Read(&x, sizeof(x));
-        m_Contents[i].m_Page = new char[x];
-        f -> Read(m_Contents[i].m_Page, x);
+    m_ContentsCnt += wxINT32_SWAP_ON_BE(x);
+    m_Contents = (wxHtmlContentsItem*) realloc(m_Contents, 
+                                               (m_ContentsCnt / wxHTML_REALLOC_STEP + 1) * 
+                                               wxHTML_REALLOC_STEP * sizeof(wxHtmlContentsItem));
+    for (i = st; i < m_ContentsCnt; i++) 
+    {
+        f->Read(&x, sizeof(x));
+        m_Contents[i].m_Level = wxINT32_SWAP_ON_BE(x);
+        f->Read(&x, sizeof(x));
+        m_Contents[i].m_ID = wxINT32_SWAP_ON_BE(x);
+        f->Read(&x, sizeof(x)); x = wxINT32_SWAP_ON_BE(x);
+        m_Contents[i].m_Name = new wxChar[x];
+        READ_STRING(f, m_Contents[i].m_Name, x);
+        f->Read(&x, sizeof(x)); x = wxINT32_SWAP_ON_BE(x);
+        m_Contents[i].m_Page = new wxChar[x];
+        READ_STRING(f, m_Contents[i].m_Page, x);

         m_Contents[i].m_Book = book;
     }
 
     /* load index : */
 
         m_Contents[i].m_Book = book;
     }
 
     /* load index : */
 

-    f -> Read(&x, sizeof(x));
+    f->Read(&x, sizeof(x));

     st = m_IndexCnt;
     st = m_IndexCnt;

-    m_IndexCnt += x;
-    m_Index = (wxHtmlContentsItem*) realloc(m_Index, (m_IndexCnt / HTML_REALLOC_STEP + 1) * HTML_REALLOC_STEP * sizeof(wxHtmlContentsItem));
-    for (i = st; i < m_IndexCnt; i++) {
-        f -> Read(&x, sizeof(x));
-        m_Index[i].m_Name = new char[x];
-        f -> Read(m_Index[i].m_Name, x);
-        f -> Read(&x, sizeof(x));
-        m_Index[i].m_Page = new char[x];
-        f -> Read(m_Index[i].m_Page, x);
+    m_IndexCnt += wxINT32_SWAP_ON_BE(x);
+    m_Index = (wxHtmlContentsItem*) realloc(m_Index, (m_IndexCnt / wxHTML_REALLOC_STEP + 1) * 
+                                                     wxHTML_REALLOC_STEP * sizeof(wxHtmlContentsItem));
+    for (i = st; i < m_IndexCnt; i++) 
+    {
+        f->Read(&x, sizeof(x)); x = wxINT32_SWAP_ON_BE(x);
+        m_Index[i].m_Name = new wxChar[x];
+        READ_STRING(f, m_Index[i].m_Name, x);
+        f->Read(&x, sizeof(x)); x = wxINT32_SWAP_ON_BE(x);
+        m_Index[i].m_Page = new wxChar[x];
+        READ_STRING(f, m_Index[i].m_Page, x);

         m_Index[i].m_Book = book;
     }
     return TRUE;
         m_Index[i].m_Book = book;
     }
     return TRUE;


@@ -286,40 +463,49 @@ bool wxHtmlHelpData::LoadCachedBook(wxHtmlBookRecord *book, wxInputStream *f)
 bool wxHtmlHelpData::SaveCachedBook(wxHtmlBookRecord *book, wxOutputStream *f)
 {
     int i;
 bool wxHtmlHelpData::SaveCachedBook(wxHtmlBookRecord *book, wxOutputStream *f)
 {
     int i;

-    int x;
+    wxInt32 x;
+
+    /* save header - version info : */
+
+    x = wxINT32_SWAP_ON_BE(CURRENT_CACHED_BOOK_VERSION);
+    f->Write(&x, sizeof(x));

 
     /* save contents : */
 
     x = 0;
     for (i = 0; i < m_ContentsCnt; i++) if (m_Contents[i].m_Book == book && m_Contents[i].m_Level > 0) x++;
 
     /* save contents : */
 
     x = 0;
     for (i = 0; i < m_ContentsCnt; i++) if (m_Contents[i].m_Book == book && m_Contents[i].m_Level > 0) x++;

-    f -> Write(&x, sizeof(x));
-    for (i = 0; i < m_ContentsCnt; i++) {
+    x = wxINT32_SWAP_ON_BE(x);
+    f->Write(&x, sizeof(x));
+    for (i = 0; i < m_ContentsCnt; i++) 
+    {

         if (m_Contents[i].m_Book != book || m_Contents[i].m_Level == 0) continue;
         if (m_Contents[i].m_Book != book || m_Contents[i].m_Level == 0) continue;

-        x = m_Contents[i].m_Level;
-        f -> Write(&x, sizeof(x));
-        x = m_Contents[i].m_ID;
-        f -> Write(&x, sizeof(x));
-        x = strlen(m_Contents[i].m_Name) + 1;
-        f -> Write(&x, sizeof(x));
-        f -> Write(m_Contents[i].m_Name, x);
-        x = strlen(m_Contents[i].m_Page) + 1;
-        f -> Write(&x, sizeof(x));
-        f -> Write(m_Contents[i].m_Page, x);
+        x = wxINT32_SWAP_ON_BE(m_Contents[i].m_Level);
+        f->Write(&x, sizeof(x));
+        x = wxINT32_SWAP_ON_BE(m_Contents[i].m_ID);
+        f->Write(&x, sizeof(x));
+        x = wxINT32_SWAP_ON_BE(wxStrlen(m_Contents[i].m_Name) + 1);
+        f->Write(&x, sizeof(x));
+        WRITE_STRING(f, m_Contents[i].m_Name, x);
+        x = wxINT32_SWAP_ON_BE(wxStrlen(m_Contents[i].m_Page) + 1);
+        f->Write(&x, sizeof(x));
+        WRITE_STRING(f, m_Contents[i].m_Page, x);

     }
 
     /* save index : */
 
     x = 0;
     for (i = 0; i < m_IndexCnt; i++) if (m_Index[i].m_Book == book && m_Index[i].m_Level > 0) x++;
     }
 
     /* save index : */
 
     x = 0;
     for (i = 0; i < m_IndexCnt; i++) if (m_Index[i].m_Book == book && m_Index[i].m_Level > 0) x++;

-    f -> Write(&x, sizeof(x));
-    for (i = 0; i < m_IndexCnt; i++) {
+    x = wxINT32_SWAP_ON_BE(x);
+    f->Write(&x, sizeof(x));
+    for (i = 0; i < m_IndexCnt; i++) 
+    {

         if (m_Index[i].m_Book != book || m_Index[i].m_Level == 0) continue;
         if (m_Index[i].m_Book != book || m_Index[i].m_Level == 0) continue;

-        x = strlen(m_Index[i].m_Name) + 1;
-        f -> Write(&x, sizeof(x));
-        f -> Write(m_Index[i].m_Name, x);
-        x = strlen(m_Index[i].m_Page) + 1;
-        f -> Write(&x, sizeof(x));
-        f -> Write(m_Index[i].m_Page, x);
+        x = wxINT32_SWAP_ON_BE(wxStrlen(m_Index[i].m_Name) + 1);
+        f->Write(&x, sizeof(x));
+        WRITE_STRING(f, m_Index[i].m_Name, x);
+        x = wxINT32_SWAP_ON_BE(wxStrlen(m_Index[i].m_Page) + 1);
+        f->Write(&x, sizeof(x));
+        WRITE_STRING(f, m_Index[i].m_Page, x);

     }
     return TRUE;
 }
     }
     return TRUE;
 }


@@ -328,115 +514,197 @@ bool wxHtmlHelpData::SaveCachedBook(wxHtmlBookRecord *book, wxOutputStream *f)
 void wxHtmlHelpData::SetTempDir(const wxString& path)
 {
     if (path == wxEmptyString) m_TempPath = path;
 void wxHtmlHelpData::SetTempDir(const wxString& path)
 {
     if (path == wxEmptyString) m_TempPath = path;

-    else {
-       if (wxIsAbsolutePath(path)) m_TempPath = path;
-       else m_TempPath = wxGetCwd() + "/" + path;
+    else 
+    {
+        if (wxIsAbsolutePath(path)) m_TempPath = path;
+        else m_TempPath = wxGetCwd() + _T("/") + path;

 
 

-       if (m_TempPath[m_TempPath.Length() - 1] != '/')
-            m_TempPath << "/";
+        if (m_TempPath[m_TempPath.Length() - 1] != _T('/'))
+            m_TempPath << _T('/');

     }
 }
 
 
     }
 }
 
 

-bool wxHtmlHelpData::AddBookParam(const wxString& title, const wxString& contfile, 
-                                 const wxString& indexfile, const wxString& deftopic, 
-                                 const wxString& path)
+
+static wxString SafeFileName(const wxString& s)
+{
+    wxString res(s);
+    res.Replace(wxT("#"), wxT("_"));
+    res.Replace(wxT(":"), wxT("_"));
+    res.Replace(wxT("\\"), wxT("_"));
+    res.Replace(wxT("/"), wxT("_"));
+    return res;
+}
+
+bool wxHtmlHelpData::AddBookParam(const wxFSFile& bookfile,
+                                  wxFontEncoding encoding,
+                                  const wxString& title, const wxString& contfile,
+                                  const wxString& indexfile, const wxString& deftopic,
+                                  const wxString& path)

 {
     wxFileSystem fsys;
     wxFSFile *fi;
     wxHtmlBookRecord *bookr;
 {
     wxFileSystem fsys;
     wxFSFile *fi;
     wxHtmlBookRecord *bookr;

-    wxString safetitle;

     
     

+    int IndexOld = m_IndexCnt,
+        ContentsOld = m_ContentsCnt;
+

     if (! path.IsEmpty())
     if (! path.IsEmpty())

-           // workaround for bug in ChangePathTo(name, TRUE)
-           fsys.ChangePathTo(path+"/gaga");
+        fsys.ChangePathTo(path, TRUE);

 
 

-    bookr = new wxHtmlBookRecord(path+'/', title, deftopic);
+    bookr = new wxHtmlBookRecord(fsys.GetPath(), title, deftopic);

 
 

-    if (m_ContentsCnt % HTML_REALLOC_STEP == 0)
-        m_Contents = (wxHtmlContentsItem*) realloc(m_Contents, (m_ContentsCnt + HTML_REALLOC_STEP) * sizeof(wxHtmlContentsItem));
+    if (m_ContentsCnt % wxHTML_REALLOC_STEP == 0)
+        m_Contents = (wxHtmlContentsItem*) realloc(m_Contents, (m_ContentsCnt + wxHTML_REALLOC_STEP) * sizeof(wxHtmlContentsItem));

     m_Contents[m_ContentsCnt].m_Level = 0;
     m_Contents[m_ContentsCnt].m_ID = 0;
     m_Contents[m_ContentsCnt].m_Level = 0;
     m_Contents[m_ContentsCnt].m_ID = 0;

-    m_Contents[m_ContentsCnt].m_Page = new char[deftopic.Length() + 1];
-    strcpy(m_Contents[m_ContentsCnt].m_Page, deftopic.c_str());
-    m_Contents[m_ContentsCnt].m_Name = new char [title.Length() + 1];
-    strcpy(m_Contents[m_ContentsCnt].m_Name, title.c_str());
+    m_Contents[m_ContentsCnt].m_Page = new wxChar[deftopic.Length() + 1];
+    wxStrcpy(m_Contents[m_ContentsCnt].m_Page, deftopic.c_str());
+    m_Contents[m_ContentsCnt].m_Name = new wxChar [title.Length() + 1];
+    wxStrcpy(m_Contents[m_ContentsCnt].m_Name, title.c_str());

     m_Contents[m_ContentsCnt].m_Book = bookr;
 
     // store the contents index for later
     int cont_start = m_ContentsCnt++;
 
     // Try to find cached binary versions:
     m_Contents[m_ContentsCnt].m_Book = bookr;
 
     // store the contents index for later
     int cont_start = m_ContentsCnt++;
 
     // Try to find cached binary versions:

-    safetitle = SafeFileName(title);
-    fi = fsys.OpenFile(safetitle + ".cached");
-    if (fi == NULL) fi = fsys.OpenFile(m_TempPath + safetitle + ".cached");
-    if ((fi == NULL) || (m_TempPath == wxEmptyString)) {
-        LoadMSProject(bookr, fsys, indexfile, contfile);
-        if (m_TempPath != wxEmptyString) {
-               wxFileOutputStream *outs = new wxFileOutputStream(m_TempPath + safetitle + ".cached");
-            SaveCachedBook(bookr, outs);
-            delete outs;
-       }
-    }
-    else {
-        LoadCachedBook(bookr, fi -> GetStream());
-        delete fi;
+    // 1. save file as book, but with .hhp.cached extension
+    // 2. same as 1. but in temp path
+    // 3. otherwise or if cache load failed, load it from MS.
+    
+    fi = fsys.OpenFile(bookfile.GetLocation() + wxT(".cached"));
+    
+    if (fi == NULL || 
+          fi->GetModificationTime() < bookfile.GetModificationTime() || 
+          !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 || 
+            fi->GetModificationTime() < bookfile.GetModificationTime() || 
+            !LoadCachedBook(bookr, fi->GetStream()))
+        {
+            LoadMSProject(bookr, fsys, indexfile, contfile);
+            if (m_TempPath != wxEmptyString) 
+            {
+                wxFileOutputStream *outs = new wxFileOutputStream(m_TempPath + 
+                                                  SafeFileName(wxFileNameFromPath(bookfile.GetLocation())) + wxT(".cached"));
+                SaveCachedBook(bookr, outs);
+                delete outs;
+            }
+        }

     }
     }

+    
+    if (fi != NULL) delete fi;

 
     // Now store the contents range
     bookr->SetContentsRange(cont_start, m_ContentsCnt);
 
     // Now store the contents range
     bookr->SetContentsRange(cont_start, m_ContentsCnt);

+    
+    // Convert encoding, if neccessary:
+    if (encoding != wxFONTENCODING_SYSTEM)
+    {
+        wxFontEncodingArray a = wxEncodingConverter::GetPlatformEquivalents(encoding);
+        if (a.GetCount() != 0 && a[0] != encoding)
+        {
+            int i;
+            wxEncodingConverter conv;
+            conv.Init(encoding, a[0]);
+            
+            for (i = IndexOld; i < m_IndexCnt; i++)
+                conv.Convert(m_Index[i].m_Name);
+            for (i = ContentsOld; i < m_ContentsCnt; i++)
+                conv.Convert(m_Contents[i].m_Name);
+        }
+    }

 
     m_BookRecords.Add(bookr);
     if (m_IndexCnt > 0)
         qsort(m_Index, m_IndexCnt, sizeof(wxHtmlContentsItem), IndexCompareFunc);
 
     m_BookRecords.Add(bookr);
     if (m_IndexCnt > 0)
         qsort(m_Index, m_IndexCnt, sizeof(wxHtmlContentsItem), IndexCompareFunc);

-    
+

     return TRUE;
 }
 
 
 bool wxHtmlHelpData::AddBook(const wxString& book)
 {
     return TRUE;
 }
 
 
 bool wxHtmlHelpData::AddBook(const wxString& book)
 {

-    wxFSFile *fi;
-    wxFileSystem fsys;
-    wxInputStream *s;
-    wxString bookFull;
+    if (book.Right(4).Lower() == wxT(".zip") ||
+        book.Right(4).Lower() == wxT(".htb") /*html book*/) 
+
+    {
+        wxFileSystem fsys;
+        wxString s;
+        bool rt = FALSE;
+
+        s = fsys.FindFirst(book + wxT("#zip:") + wxT("*.hhp"), wxFILE);
+        while (!s.IsEmpty()) 
+        {
+            if (AddBook(s)) rt = TRUE;
+            s = fsys.FindNext();
+        }
+        
+        return rt;
+    }

 
 

-    int sz;
-    char *buff, *lineptr;
-    char linebuf[300];
-     
-    wxString title = _("noname"),
-             safetitle,
-             start = wxEmptyString,
-             contents = wxEmptyString, index = wxEmptyString;
+
+    else 
+    {       
+        wxFSFile *fi;
+        wxFileSystem fsys;
+        wxInputStream *s;
+        wxString bookFull;
+
+        int sz;
+        char *buff, *lineptr;
+        char linebuf[300];
+
+        wxString title = _("noname"),
+                 safetitle,
+                 start = wxEmptyString,
+                 contents = wxEmptyString, 
+                 index = wxEmptyString,
+                 charset = wxEmptyString;
+
+        if (wxIsAbsolutePath(book)) bookFull = book;
+        else bookFull = wxGetCwd() + "/" + book;
+
+        fi = fsys.OpenFile(bookFull);
+        if (fi == NULL) 
+        {
+            wxLogError(_("Cannot open HTML help book: %s"), bookFull.c_str());
+            return FALSE;
+        }
+        fsys.ChangePathTo(bookFull);
+        s = fi->GetStream();
+        sz = s->GetSize();
+        buff = new char[sz + 1];
+        buff[sz] = 0;
+        s->Read(buff, sz);
+        lineptr = buff;
+
+        do {
+            lineptr = ReadLine(lineptr, linebuf);
+
+            if (strstr(linebuf, "Title=") == linebuf)
+                title = linebuf + strlen("Title=");
+            if (strstr(linebuf, "Default topic=") == linebuf)
+                start = linebuf + strlen("Default topic=");
+            if (strstr(linebuf, "Index file=") == linebuf)
+                index = linebuf + strlen("Index file=");
+            if (strstr(linebuf, "Contents file=") == linebuf)
+                contents = linebuf + strlen("Contents file=");
+            if (strstr(linebuf, "Charset=") == linebuf)
+                charset = linebuf + strlen("Charset=");
+        } while (lineptr != NULL);
+        delete[] buff;

     
     

-    if (wxIsAbsolutePath(book)) bookFull = book;
-    else bookFull = wxGetCwd() + "/" + book;
-
-    fi = fsys.OpenFile(bookFull);
-    if (fi == NULL) return FALSE;
-    fsys.ChangePathTo(bookFull);
-    s = fi -> GetStream();
-    sz = s -> GetSize();
-    buff = new char[sz+1];
-    buff[sz] = 0;
-    s -> Read(buff, sz);
-    lineptr = buff;
-    delete fi;
-
-    while ((lineptr = ReadLine(lineptr, linebuf)) != NULL) {
-        if (strstr(linebuf, "Title=") == linebuf)
-            title = linebuf + strlen("Title=");
-        if (strstr(linebuf, "Default topic=") == linebuf)
-            start = linebuf + strlen("Default topic=");
-        if (strstr(linebuf, "Index file=") == linebuf)
-            index = linebuf + strlen("Index file=");
-        if (strstr(linebuf, "Contents file=") == linebuf)
-            contents = linebuf + strlen("Contents file=");
+        wxFontEncoding enc;
+        if (charset == wxEmptyString) enc = wxFONTENCODING_SYSTEM;
+        else enc = wxTheFontMapper->CharsetToEncoding(charset);
+        bool rtval = AddBookParam(*fi, enc, 
+                                  title, contents, index, start, fsys.GetPath());
+        delete fi;
+        return rtval;

     }
     }

-    delete[] buff;
-
-    return AddBookParam(title, contents, index, start, fsys.GetPath());

 }
 
 wxString wxHtmlHelpData::FindPageByName(const wxString& x)
 }
 
 wxString wxHtmlHelpData::FindPageByName(const wxString& x)


@@ -450,9 +718,11 @@ wxString wxHtmlHelpData::FindPageByName(const wxString& x)
     /* 1. try to open given file: */
 
     cnt = m_BookRecords.GetCount();
     /* 1. try to open given file: */
 
     cnt = m_BookRecords.GetCount();

-    for (i = 0; i < cnt; i++) {
+    for (i = 0; i < cnt; i++) 
+    {

         f = fsys.OpenFile(m_BookRecords[i].GetBasePath() + x);
         f = fsys.OpenFile(m_BookRecords[i].GetBasePath() + x);

-        if (f) {
+        if (f) 
+           {

             url = m_BookRecords[i].GetBasePath() + x;
             delete f;
             return url;
             url = m_BookRecords[i].GetBasePath() + x;
             delete f;
             return url;


@@ -462,8 +732,10 @@ wxString wxHtmlHelpData::FindPageByName(const wxString& x)
 
     /* 2. try to find a book: */
 
 
     /* 2. try to find a book: */
 

-    for (i = 0; i < cnt; i++) {
-        if (m_BookRecords[i].GetTitle() == x) {
+    for (i = 0; i < cnt; i++) 
+    {
+        if (m_BookRecords[i].GetTitle() == x) 
+           {

             url = m_BookRecords[i].GetBasePath() + m_BookRecords[i].GetStart();
             return url;
         }
             url = m_BookRecords[i].GetBasePath() + m_BookRecords[i].GetStart();
             return url;
         }


@@ -472,9 +744,11 @@ wxString wxHtmlHelpData::FindPageByName(const wxString& x)
     /* 3. try to find in contents: */
 
     cnt = m_ContentsCnt;
     /* 3. try to find in contents: */
 
     cnt = m_ContentsCnt;

-    for (i = 0; i < cnt; i++) {
-        if (strcmp(m_Contents[i].m_Name, x) == 0) {
-            url = m_Contents[i].m_Book -> GetBasePath() + m_Contents[i].m_Page;
+    for (i = 0; i < cnt; i++) 
+    {
+        if (wxStrcmp(m_Contents[i].m_Name, x) == 0) 
+           {
+            url = m_Contents[i].m_Book->GetBasePath() + m_Contents[i].m_Page;

             return url;
         }
     }
             return url;
         }
     }


@@ -483,9 +757,11 @@ wxString wxHtmlHelpData::FindPageByName(const wxString& x)
     /* 4. try to find in index: */
 
     cnt = m_IndexCnt;
     /* 4. try to find in index: */
 
     cnt = m_IndexCnt;

-    for (i = 0; i < cnt; i++) {
-        if (strcmp(m_Index[i].m_Name, x) == 0) {
-            url = m_Index[i].m_Book -> GetBasePath() + m_Index[i].m_Page;
+    for (i = 0; i < cnt; i++) 
+    {
+        if (wxStrcmp(m_Index[i].m_Name, x) == 0) 
+           {
+            url = m_Index[i].m_Book->GetBasePath() + m_Index[i].m_Page;

             return url;
         }
     }
             return url;
         }
     }


@@ -494,13 +770,15 @@ wxString wxHtmlHelpData::FindPageByName(const wxString& x)
 }
 
 wxString wxHtmlHelpData::FindPageById(int id)
 }
 
 wxString wxHtmlHelpData::FindPageById(int id)

-{   
+{

     int i;
     wxString url(wxEmptyString);
 
     int i;
     wxString url(wxEmptyString);
 

-    for (i = 0; i < m_ContentsCnt; i++) {
-        if (m_Contents[i].m_ID == id) {
-            url = m_Contents[i].m_Book -> GetBasePath() + m_Contents[i].m_Page;
+    for (i = 0; i < m_ContentsCnt; i++) 
+    {
+        if (m_Contents[i].m_ID == id) 
+           {
+            url = m_Contents[i].m_Book->GetBasePath() + m_Contents[i].m_Page;

             return url;
         }
     }
             return url;
         }
     }


@@ -513,65 +791,160 @@ wxString wxHtmlHelpData::FindPageById(int id)
 //----------------------------------------------------------------------------------
 
 wxHtmlSearchStatus::wxHtmlSearchStatus(wxHtmlHelpData* data, const wxString& keyword,
 //----------------------------------------------------------------------------------
 
 wxHtmlSearchStatus::wxHtmlSearchStatus(wxHtmlHelpData* data, const wxString& keyword,

-                                      const wxString& book = wxEmptyString)
+                                       bool case_sensitive, bool whole_words_only,
+                                       const wxString& book)

 {
     m_Data = data;
     m_Keyword = keyword;
     wxHtmlBookRecord* bookr = NULL;
 {
     m_Data = data;
     m_Keyword = keyword;
     wxHtmlBookRecord* bookr = NULL;

-    if (book != wxEmptyString) {
-       // we have to search in a specific book. Find it first
-       int i,cnt = data->m_BookRecords.GetCount();
-       for (i=0; i<cnt; i++)
-           if (data->m_BookRecords[i].GetTitle() == book) {
-               bookr = &(data->m_BookRecords[i]);
-               m_CurIndex = bookr->GetContentsStart();
-               m_MaxIndex = bookr->GetContentsEnd();
-               break;
-           }
-       // check; we won't crash if the book doesn't exist, but it's Bad Anyway.
-       wxASSERT(bookr); 
+    if (book != wxEmptyString) 
+    {
+        // we have to search in a specific book. Find it first
+        int i, cnt = data->m_BookRecords.GetCount();
+        for (i = 0; i < cnt; i++)
+            if (data->m_BookRecords[i].GetTitle() == book) 
+               {
+                bookr = &(data->m_BookRecords[i]);
+                m_CurIndex = bookr->GetContentsStart();
+                m_MaxIndex = bookr->GetContentsEnd();
+                break;
+            }
+        // check; we won't crash if the book doesn't exist, but it's Bad Anyway.
+        wxASSERT(bookr);

     }
     }

-    if (! bookr) {
-       // no book specified; search all books
-       m_CurIndex = 0;
-       m_MaxIndex = m_Data->m_ContentsCnt;
+    if (! bookr) 
+    {
+        // no book specified; search all books
+        m_CurIndex = 0;
+        m_MaxIndex = m_Data->m_ContentsCnt;

     }
     }

-    m_Engine.LookFor(keyword);
+    m_Engine.LookFor(keyword, case_sensitive, whole_words_only);

     m_Active = (m_CurIndex < m_MaxIndex);
     m_Active = (m_CurIndex < m_MaxIndex);

-    m_LastPage = wxEmptyString;
+    m_LastPage = NULL;

 }
 
 bool wxHtmlSearchStatus::Search()
 {
 }
 
 bool wxHtmlSearchStatus::Search()
 {

-    wxFileSystem fsys;

     wxFSFile *file;
     wxFSFile *file;

-    int i = m_CurIndex; // shortcut
+    int i = m_CurIndex;  // shortcut

     bool found = FALSE;
     bool found = FALSE;

+    wxChar *thepage;

 
 

-    if (! m_Active) {
-       // sanity check. Illegal use, but we'll try to prevent a crash anyway
-       wxASSERT(0);
-       return FALSE;
+    if (!m_Active) 
+    {
+        // sanity check. Illegal use, but we'll try to prevent a crash anyway
+        wxASSERT(m_Active);
+        return FALSE;

     }
 
     }
 

-    m_ContentsItem = NULL;

     m_Name = wxEmptyString;
     m_Name = wxEmptyString;

+    m_ContentsItem = NULL;
+    thepage = m_Data->m_Contents[i].m_Page;
+
+    m_Active = (++m_CurIndex < m_MaxIndex);
+    // check if it is same page with different anchor:
+    if (m_LastPage != NULL)
+    {
+        wxChar *p1, *p2;
+        for (p1 = thepage, p2 = m_LastPage; 
+             *p1 != 0 && *p1 != _T('#') && *p1 == *p2; p1++, p2++) {}
+
+        m_LastPage = thepage;
+
+        if (*p1 == 0 || *p1 == _T('#'))
+            return FALSE;
+    }
+    else m_LastPage = thepage;
+    
+    wxFileSystem fsys;
+    file = fsys.OpenFile(m_Data->m_Contents[i].m_Book->GetBasePath() + thepage);
+    if (file) 
+    {
+        if (m_Engine.Scan(file->GetStream())) {
+            m_Name = m_Data->m_Contents[i].m_Name;
+            m_ContentsItem = m_Data->m_Contents + i;
+            found = TRUE;
+        }
+        delete file;
+    }
+    return found;
+}
+

 
 

-    file = fsys.OpenFile(m_Data->m_Contents[i].m_Book -> GetBasePath() + 
-                        m_Data->m_Contents[i].m_Page);
-    if (file) {
-       if (m_LastPage != file->GetLocation()) {
-           m_LastPage = file->GetLocation();
-           if (m_Engine.Scan(file -> GetStream())) {
-               m_Name = m_Data->m_Contents[i].m_Name;
-               m_ContentsItem = m_Data->m_Contents + i;
-               found = true;
-           }
+
+
+
+
+
+
+//--------------------------------------------------------------------------------
+// wxSearchEngine
+//--------------------------------------------------------------------------------
+
+void wxSearchEngine::LookFor(const wxString& keyword, bool case_sensitive, bool whole_words_only)
+{
+    m_CaseSensitive = case_sensitive;
+    m_WholeWords = whole_words_only;
+    if (m_Keyword) delete[] m_Keyword;
+    m_Keyword = new wxChar[keyword.Length() + 1];
+    wxStrcpy(m_Keyword, keyword.c_str());
+    
+    if (!m_CaseSensitive)
+    {
+        for (int i = wxStrlen(m_Keyword) - 1; i >= 0; i--)
+           {
+            if ((m_Keyword[i] >= wxT('A')) && (m_Keyword[i] <= wxT('Z')))
+                m_Keyword[i] += wxT('a') - wxT('A');
+               }

        }
        }

-       delete file;
+}
+
+
+
+#define WHITESPACE(c)  (c == ' ' || c == '\n' || c == '\r' || c == '\t')
+
+bool wxSearchEngine::Scan(wxInputStream *stream)
+{
+    wxASSERT_MSG(m_Keyword != NULL, wxT("wxSearchEngine::LookFor must be called before scanning!"));
+
+    int i, j;
+    int lng = stream ->GetSize();
+    int wrd = wxStrlen(m_Keyword);
+    bool found = FALSE;
+    char *buf = new char[lng + 1];
+    stream->Read(buf, lng);
+    buf[lng] = 0;
+
+    if (!m_CaseSensitive)
+        for (i = 0; i < lng; i++)
+            if ((buf[i] >= 'A') && (buf[i] <= 'Z')) buf[i] += 'a' - 'A';
+
+    if (m_WholeWords)
+    {
+        for (i = 0; i < lng - wrd; i++) 
+           {
+            if (WHITESPACE(buf[i])) continue;
+            j = 0;
+            while ((j < wrd) && (buf[i + j] == m_Keyword[j])) j++;
+            if (j == wrd && WHITESPACE(buf[i + j])) { found = TRUE; break; }
+        }

     }
     }

-    m_Active = (++m_CurIndex < m_MaxIndex);
+    
+    else
+    {
+        for (i = 0; i < lng - wrd; i++) 
+           {
+            j = 0;
+            while ((j < wrd) && (buf[i + j] == m_Keyword[j])) j++;
+            if (j == wrd) { found = TRUE; break; }
+        }
+    }
+
+    delete[] buf;

     return found;
 }
 
     return found;
 }
 

+
+
+

 #endif
 #endif