Changed WidthDefault() and HeightDefault() to use 400,250. If there

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

diff --git a/src/html/helpdata.cpp b/src/html/helpdata.cpp
index 7cf0465e1e6f067ecdea3ee1be4bf6af548dc5ea..c0418b8d392ae0a489f003650281efe04cc29eae 100644 (file)
--- a/src/html/helpdata.cpp
+++ b/src/html/helpdata.cpp
@@ -9,8 +9,8 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+#pragma implementation "helpdata.h"

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


@@ -29,6 +29,8 @@
     #include "wx/log.h"
 #endif
 
     #include "wx/log.h"
 #endif
 

+#include <ctype.h>
+

 #include "wx/html/helpdata.h"
 #include "wx/tokenzr.h"
 #include "wx/wfstream.h"
 #include "wx/html/helpdata.h"
 #include "wx/tokenzr.h"
 #include "wx/wfstream.h"


@@ -38,6 +40,7 @@
 #include "wx/log.h"
 #include "wx/html/htmlpars.h"
 #include "wx/html/htmldefs.h"
 #include "wx/log.h"
 #include "wx/html/htmlpars.h"
 #include "wx/html/htmldefs.h"

+#include "wx/html/htmlfilt.h"

 #include "wx/filename.h"
 
 #include "wx/arrimpl.cpp"
 #include "wx/filename.h"
 
 #include "wx/arrimpl.cpp"


@@ -48,22 +51,30 @@ WX_DEFINE_OBJARRAY(wxHtmlBookRecArray)
 //-----------------------------------------------------------------------------
 
 // Reads one line, stores it into buf and returns pointer to new line or NULL.
 //-----------------------------------------------------------------------------
 
 // Reads one line, stores it into buf and returns pointer to new line or NULL.

-static char* ReadLine(char *line, char *buf)
+static const wxChar* ReadLine(const wxChar *line, wxChar *buf, size_t bufsize)

 {
 {

-    char *writeptr = buf, *readptr = line;
+    wxChar *writeptr = buf;
+    wxChar *endptr = buf + bufsize - 1;
+    const wxChar *readptr = line;

 
 

-    while (*readptr != 0 && *readptr != '\r' && *readptr != '\n') *(writeptr++) = *(readptr++);
+    while (*readptr != 0 && *readptr != _T('\r') && *readptr != _T('\n') &&
+           writeptr != endptr) 
+        *(writeptr++) = *(readptr++);

     *writeptr = 0;
     *writeptr = 0;

-    while (*readptr == '\r' || *readptr == '\n') readptr++;
-    if (*readptr == 0) return NULL;
-    else return readptr;
+    while (*readptr == _T('\r') || *readptr == _T('\n'))
+        readptr++;
+    if (*readptr == 0)
+        return NULL;
+    else 
+        return readptr;

 }
 
 
 
 }
 
 
 

-static int LINKAGEMODE IndexCompareFunc(const void *a, const void *b)
+extern "C" int LINKAGEMODE
+wxHtmlHelpIndexCompareFunc(const void *a, const void *b)

 {
 {

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

 }
 
 
 }
 
 


@@ -73,9 +84,15 @@ static int LINKAGEMODE IndexCompareFunc(const void *a, const void *b)
 
 class HP_Parser : public wxHtmlParser
 {
 
 class HP_Parser : public wxHtmlParser
 {

-    public:
-        void AddText(const char* WXUNUSED(text)) { }
-        wxObject* GetProduct() { return NULL; }
+public:
+    HP_Parser() { }
+
+    wxObject* GetProduct() { return NULL; }
+
+protected:
+    virtual void AddText(const wxChar* WXUNUSED(txt)) {}
+
+    DECLARE_NO_COPY_CLASS(HP_Parser)

 };
 
 
 };
 
 


@@ -102,6 +119,8 @@ class HP_TagHandler : public wxHtmlTagHandler
         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);

+
+    DECLARE_NO_COPY_CLASS(HP_TagHandler)

 };
 
 
 };
 
 


@@ -242,8 +261,8 @@ wxHtmlHelpData::~wxHtmlHelpData()
 bool wxHtmlHelpData::LoadMSProject(wxHtmlBookRecord *book, wxFileSystem& fsys, const wxString& indexfile, const wxString& contentsfile)
 {
     wxFSFile *f;
 bool wxHtmlHelpData::LoadMSProject(wxHtmlBookRecord *book, wxFileSystem& fsys, const wxString& indexfile, const wxString& contentsfile)
 {
     wxFSFile *f;

-    char *buf;
-    int sz;
+    wxHtmlFilterHTML filter;
+    wxString buf;

     wxString string;
 
     HP_Parser parser;
     wxString string;
 
     HP_Parser parser;


@@ -253,111 +272,129 @@ bool wxHtmlHelpData::LoadMSProject(wxHtmlBookRecord *book, wxFileSystem& fsys, c
     f = ( contentsfile.IsEmpty() ? (wxFSFile*) NULL : fsys.OpenFile(contentsfile) );
     if (f)
     {
     f = ( contentsfile.IsEmpty() ? (wxFSFile*) NULL : fsys.OpenFile(contentsfile) );
     if (f)
     {

-        sz = f->GetStream()->GetSize();
-        buf = new char[sz + 1];
-        buf[sz] = 0;
-        f->GetStream()->Read(buf, sz);
+        buf.clear();
+        buf = filter.ReadFile(*f);

         delete f;
         handler->ReadIn(m_Contents, m_ContentsCnt);
         parser.Parse(buf);
         handler->WriteOut(m_Contents, m_ContentsCnt);
         delete f;
         handler->ReadIn(m_Contents, m_ContentsCnt);
         parser.Parse(buf);
         handler->WriteOut(m_Contents, m_ContentsCnt);

-        delete[] buf;

     }
     else
     }
     else

+    {

         wxLogError(_("Cannot open contents file: %s"), contentsfile.c_str());
         wxLogError(_("Cannot open contents file: %s"), contentsfile.c_str());

+    }

 
     f = ( indexfile.IsEmpty() ? (wxFSFile*) NULL : fsys.OpenFile(indexfile) );
     if (f)
     {
 
     f = ( indexfile.IsEmpty() ? (wxFSFile*) NULL : fsys.OpenFile(indexfile) );
     if (f)
     {

-        sz = f->GetStream()->GetSize();
-        buf = new char[sz + 1];
-        buf[sz] = 0;
-        f->GetStream()->Read(buf, sz);
+        buf.clear();
+        buf = filter.ReadFile(*f);

         delete f;
         handler->ReadIn(m_Index, m_IndexCnt);
         parser.Parse(buf);
         handler->WriteOut(m_Index, m_IndexCnt);
         delete f;
         handler->ReadIn(m_Index, m_IndexCnt);
         parser.Parse(buf);
         handler->WriteOut(m_Index, m_IndexCnt);

-        delete[] buf;

     }
     else if (!indexfile.IsEmpty())
     }
     else if (!indexfile.IsEmpty())

+    {

         wxLogError(_("Cannot open index file: %s"), indexfile.c_str());
         wxLogError(_("Cannot open index file: %s"), indexfile.c_str());

+    }

     return TRUE;
 }
 
 
 
     return TRUE;
 }
 
 
 

+inline static void CacheWriteInt32(wxOutputStream *f, wxInt32 value)
+{
+    wxInt32 x = wxINT32_SWAP_ON_BE(value);
+    f->Write(&x, sizeof(x));
+}

 
 

-#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);} }
+inline static wxInt32 CacheReadInt32(wxInputStream *f)
+{
+    wxInt32 x;
+    f->Read(&x, sizeof(x));
+    return wxINT32_SWAP_ON_BE(x);
+}

 
 

+inline static void CacheWriteString(wxOutputStream *f, const wxChar *str)
+{    
+#if wxUSE_UNICODE
+    wxWX2MBbuf mbstr(wxConvUTF8.cWX2MB(str));

 #else
 #else

+    const wxChar *mbstr = str;
+#endif
+    size_t len = strlen(mbstr)+1;
+    CacheWriteInt32(f, len);
+    f->Write(mbstr, len);
+}

 
 

-#define READ_STRING(f, s, lng) f->Read(s, lng * sizeof(char));
-#define WRITE_STRING(f, s, lng) f->Write(s, lng * sizeof(char));
-
+inline static wxChar* CacheReadString(wxInputStream *f)
+{
+    char *str;
+    size_t len = (size_t)CacheReadInt32(f);
+    str = new char[len];
+    f->Read(str, len);
+#if !wxUSE_UNICODE
+    return str;
+#else
+    wxMB2WXbuf wxstr(wxConvUTF8.cMB2WX(str));
+    wxChar *outstr = new wxChar[wxStrlen(wxstr)+1];
+    wxStrcpy(outstr, wxstr);
+    return outstr;

 #endif
 #endif

+}
+
+#define CURRENT_CACHED_BOOK_VERSION     4

 
 

+// Additional flags to detect incompatibilities of the runtime environment:
+#define CACHED_BOOK_FORMAT_FLAGS \
+                     (wxUSE_UNICODE << 0)

 
 

-#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;

-    wxInt32 x;

     wxInt32 version;
 
     /* load header - version info : */
     wxInt32 version;
 
     /* load header - version info : */

-
-    f->Read(&x, sizeof(x));
-    version = wxINT32_SWAP_ON_BE(x);
-
+    version = CacheReadInt32(f);
+    

     if (version != CURRENT_CACHED_BOOK_VERSION)
     {
     if (version != CURRENT_CACHED_BOOK_VERSION)
     {

-        wxLogError(_("Incorrect version of HTML help book"));
+        // NB: We can just silently return FALSE here and don't worry about
+        //     it anymore, because AddBookParam will load the MS project in
+        //     absence of (properly versioned) .cached file and automatically 
+        //     create new .cached file immediately afterward.

         return FALSE;
         return FALSE;

-        // NOTE: when adding new version, please ensure backward compatibility!

     }
 
     }
 

-    /* load contents : */
+    if (CacheReadInt32(f) != CACHED_BOOK_FORMAT_FLAGS)
+        return FALSE;

 
 

-    f->Read(&x, sizeof(x));
+    /* load contents : */

     st = m_ContentsCnt;
     st = m_ContentsCnt;

-    m_ContentsCnt += wxINT32_SWAP_ON_BE(x);
+    m_ContentsCnt += CacheReadInt32(f);

     m_Contents = (wxHtmlContentsItem*) realloc(m_Contents,
                                                (m_ContentsCnt / wxHTML_REALLOC_STEP + 1) *
                                                wxHTML_REALLOC_STEP * sizeof(wxHtmlContentsItem));
     for (i = st; i < m_ContentsCnt; i++)
     {
     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_Level = CacheReadInt32(f);
+        m_Contents[i].m_ID = CacheReadInt32(f);
+        m_Contents[i].m_Name = CacheReadString(f);
+        m_Contents[i].m_Page = CacheReadString(f);

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

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

     st = m_IndexCnt;
     st = m_IndexCnt;

-    m_IndexCnt += wxINT32_SWAP_ON_BE(x);
+    m_IndexCnt += CacheReadInt32(f);

     m_Index = (wxHtmlContentsItem*) realloc(m_Index, (m_IndexCnt / wxHTML_REALLOC_STEP + 1) *
                                                      wxHTML_REALLOC_STEP * sizeof(wxHtmlContentsItem));
     for (i = st; i < m_IndexCnt; i++)
     {
     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_Name = CacheReadString(f);
+        m_Index[i].m_Page = CacheReadString(f);

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


@@ -367,49 +404,40 @@ 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;

-    wxInt32 x;
+    wxInt32 cnt;

 
     /* save header - version info : */
 
     /* save header - version info : */

-
-    x = wxINT32_SWAP_ON_BE(CURRENT_CACHED_BOOK_VERSION);
-    f->Write(&x, sizeof(x));
+    CacheWriteInt32(f, CURRENT_CACHED_BOOK_VERSION);
+    CacheWriteInt32(f, CACHED_BOOK_FORMAT_FLAGS);

 
     /* save contents : */
 
     /* save contents : */

+    for (cnt = 0, i = 0; i < m_ContentsCnt; i++) 
+        if (m_Contents[i].m_Book == book && m_Contents[i].m_Level > 0)
+            cnt++;
+    CacheWriteInt32(f, cnt);

 
 

-    x = 0;
-    for (i = 0; i < m_ContentsCnt; i++) if (m_Contents[i].m_Book == book && m_Contents[i].m_Level > 0) x++;
-    x = wxINT32_SWAP_ON_BE(x);
-    f->Write(&x, sizeof(x));

     for (i = 0; i < m_ContentsCnt; i++)
     {
     for (i = 0; i < m_ContentsCnt; i++)
     {

-        if (m_Contents[i].m_Book != book || m_Contents[i].m_Level == 0) continue;
-        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);
+        if (m_Contents[i].m_Book != book || m_Contents[i].m_Level == 0) 
+            continue;
+        CacheWriteInt32(f, m_Contents[i].m_Level);
+        CacheWriteInt32(f, m_Contents[i].m_ID);
+        CacheWriteString(f, m_Contents[i].m_Name);
+        CacheWriteString(f, m_Contents[i].m_Page);

     }
 
     /* save index : */
     }
 
     /* save index : */

+    for (cnt = 0, i = 0; i < m_IndexCnt; i++) 
+        if (m_Index[i].m_Book == book && m_Index[i].m_Level > 0) 
+            cnt++;
+    CacheWriteInt32(f, cnt);

 
 

-    x = 0;
-    for (i = 0; i < m_IndexCnt; i++) if (m_Index[i].m_Book == book && m_Index[i].m_Level > 0) x++;
-    x = wxINT32_SWAP_ON_BE(x);
-    f->Write(&x, sizeof(x));

     for (i = 0; i < m_IndexCnt; i++)
     {
     for (i = 0; i < m_IndexCnt; i++)
     {

-        if (m_Index[i].m_Book != book || m_Index[i].m_Level == 0) continue;
-        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);
+        if (m_Index[i].m_Book != book || m_Index[i].m_Level == 0) 
+            continue;
+        CacheWriteString(f, m_Index[i].m_Name);
+        CacheWriteString(f, m_Index[i].m_Page);

     }
     return TRUE;
 }
     }
     return TRUE;
 }


@@ -453,11 +481,18 @@ bool wxHtmlHelpData::AddBookParam(const wxFSFile& bookfile,
     int IndexOld = m_IndexCnt,
         ContentsOld = m_ContentsCnt;
 
     int IndexOld = m_IndexCnt,
         ContentsOld = m_ContentsCnt;
 

-    if (! path.IsEmpty())
+    if (!path.IsEmpty())

         fsys.ChangePathTo(path, TRUE);
 
         fsys.ChangePathTo(path, TRUE);
 

-    bookr = new wxHtmlBookRecord(fsys.GetPath(), title, deftopic);
+    size_t booksCnt = m_BookRecords.GetCount();
+    for (size_t i = 0; i < booksCnt; i++)
+    {
+        if ( m_BookRecords[i].GetBookFile() == bookfile.GetLocation() )
+            return TRUE; // book is (was) loaded
+    }

 
 

+    bookr = new wxHtmlBookRecord(bookfile.GetLocation(), fsys.GetPath(), title, deftopic);
+    

     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;
     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;


@@ -479,13 +514,17 @@ bool wxHtmlHelpData::AddBookParam(const wxFSFile& bookfile,
     fi = fsys.OpenFile(bookfile.GetLocation() + wxT(".cached"));
 
     if (fi == NULL ||
     fi = fsys.OpenFile(bookfile.GetLocation() + wxT(".cached"));
 
     if (fi == NULL ||

+#if wxUSE_DATETIME

           fi->GetModificationTime() < bookfile.GetModificationTime() ||
           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 ||
           !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() ||
             fi->GetModificationTime() < bookfile.GetModificationTime() ||

+#endif // wxUSE_DATETIME

             !LoadCachedBook(bookr, fi->GetStream()))
         {
             LoadMSProject(bookr, fsys, indexfile, contfile);
             !LoadCachedBook(bookr, fi->GetStream()))
         {
             LoadMSProject(bookr, fsys, indexfile, contfile);


@@ -523,7 +562,7 @@ bool wxHtmlHelpData::AddBookParam(const wxFSFile& bookfile,
 
     m_BookRecords.Add(bookr);
     if (m_IndexCnt > 0)
 
     m_BookRecords.Add(bookr);
     if (m_IndexCnt > 0)

-        qsort(m_Index, m_IndexCnt, sizeof(wxHtmlContentsItem), IndexCompareFunc);
+        qsort(m_Index, m_IndexCnt, sizeof(wxHtmlContentsItem), wxHtmlHelpIndexCompareFunc);

 
     return TRUE;
 }
 
     return TRUE;
 }


@@ -531,15 +570,24 @@ bool wxHtmlHelpData::AddBookParam(const wxFSFile& bookfile,
 
 bool wxHtmlHelpData::AddBook(const wxString& book)
 {
 
 bool wxHtmlHelpData::AddBook(const wxString& book)
 {

-    if (book.Right(4).Lower() == wxT(".zip") ||
-        book.Right(4).Lower() == wxT(".htb") /*html book*/)
-
+    wxString extension(book.Right(4).Lower());
+    if (extension == wxT(".zip") ||
+#if wxUSE_LIBMSPACK
+        extension == wxT(".chm") /*compressed html help book*/ ||
+#endif
+        extension == wxT(".htb") /*html book*/)

     {
         wxFileSystem fsys;
         wxString s;
         bool rt = FALSE;
 
     {
         wxFileSystem fsys;
         wxString s;
         bool rt = FALSE;
 

-        s = fsys.FindFirst(book + wxT("#zip:") + wxT("*.hhp"), wxFILE);
+#if wxUSE_LIBMSPACK
+        if (extension == wxT(".chm"))
+            s = fsys.FindFirst(book + wxT("#chm:*.hhp"), wxFILE);
+        else
+#endif
+            s = fsys.FindFirst(book + wxT("#zip:*.hhp"), wxFILE);
+

         while (!s.IsEmpty())
         {
             if (AddBook(s)) rt = TRUE;
         while (!s.IsEmpty())
         {
             if (AddBook(s)) rt = TRUE;


@@ -549,73 +597,57 @@ bool wxHtmlHelpData::AddBook(const wxString& book)
         return rt;
     }
 
         return rt;
     }
 

+    wxFSFile *fi;
+    wxFileSystem fsys;

 
 

-    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;
-
-#ifdef __WXMAC__
-        // wxIsAbsolutePath is broken
-        bookFull = wxGetCwd() + ":" + book;
-        wxFileName fn( bookFull );
-        bookFull = fn.GetFullPath( wxPATH_UNIX );
-#else
-        if (wxIsAbsolutePath(book)) bookFull = book;
-        else bookFull = wxGetCwd() + "/" + book;
-#endif
+    wxString title = _("noname"),
+             safetitle,
+             start = wxEmptyString,
+             contents = wxEmptyString,
+             index = wxEmptyString,
+             charset = wxEmptyString;

 
 

-        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;
-
-        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;
+    fi = fsys.OpenFile(book);
+    if (fi == NULL)
+    {
+        wxLogError(_("Cannot open HTML help book: %s"), book.c_str());
+        return FALSE;

     }
     }

+    fsys.ChangePathTo(book);
+
+    const wxChar *lineptr;
+    wxChar linebuf[300];
+    wxString tmp;
+    wxHtmlFilterPlainText filter;
+    tmp = filter.ReadFile(*fi);
+    lineptr = tmp.c_str();
+
+    do 
+    {
+        lineptr = ReadLine(lineptr, linebuf, 300);
+        
+        for (wxChar *ch = linebuf; *ch != wxT('\0') && *ch != wxT('='); ch++)
+           *ch = tolower(*ch);
+
+        if (wxStrstr(linebuf, _T("title=")) == linebuf)
+            title = linebuf + wxStrlen(_T("title="));
+        if (wxStrstr(linebuf, _T("default topic=")) == linebuf)
+            start = linebuf + wxStrlen(_T("default topic="));
+        if (wxStrstr(linebuf, _T("index file=")) == linebuf)
+            index = linebuf + wxStrlen(_T("index file="));
+        if (wxStrstr(linebuf, _T("contents file=")) == linebuf)
+            contents = linebuf + wxStrlen(_T("contents file="));
+        if (wxStrstr(linebuf, _T("charset=")) == linebuf)
+            charset = linebuf + wxStrlen(_T("charset="));
+    } while (lineptr != NULL);
+
+    wxFontEncoding enc;
+    if (charset == wxEmptyString) enc = wxFONTENCODING_SYSTEM;
+    else enc = wxFontMapper::Get()->CharsetToEncoding(charset);
+    bool rtval = AddBookParam(*fi, enc,
+                              title, contents, index, start, fsys.GetPath());
+    delete fi;
+    return rtval;

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


@@ -771,7 +803,7 @@ bool wxHtmlSearchStatus::Search()
     file = fsys.OpenFile(m_Data->m_Contents[i].m_Book->GetFullPath(thepage));
     if (file)
     {
     file = fsys.OpenFile(m_Data->m_Contents[i].m_Book->GetFullPath(thepage));
     if (file)
     {

-        if (m_Engine.Scan(file->GetStream()))
+        if (m_Engine.Scan(*file))

         {
             m_Name = m_Data->m_Contents[i].m_Name;
             m_ContentsItem = m_Data->m_Contents + i;
         {
             m_Name = m_Data->m_Contents[i].m_Name;
             m_ContentsItem = m_Data->m_Contents + i;


@@ -790,10 +822,10 @@ bool wxHtmlSearchStatus::Search()
 
 
 //--------------------------------------------------------------------------------
 
 
 //--------------------------------------------------------------------------------

-// wxSearchEngine
+// wxHtmlSearchEngine

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

-void wxSearchEngine::LookFor(const wxString& keyword, bool case_sensitive, bool whole_words_only)
+void wxHtmlSearchEngine::LookFor(const wxString& keyword, bool case_sensitive, bool whole_words_only)

 {
     m_CaseSensitive = case_sensitive;
     m_WholeWords = whole_words_only;
 {
     m_CaseSensitive = case_sensitive;
     m_WholeWords = whole_words_only;


@@ -812,24 +844,26 @@ void wxSearchEngine::LookFor(const wxString& keyword, bool case_sensitive, bool
 }
 
 
 }
 
 

+static inline bool WHITESPACE(wxChar c)
+{
+    return c == _T(' ') || c == _T('\n') || c == _T('\r') || c == _T('\t');
+}

 
 

-#define WHITESPACE(c)  (c == ' ' || c == '\n' || c == '\r' || c == '\t')
-
-bool wxSearchEngine::Scan(wxInputStream *stream)
+bool wxHtmlSearchEngine::Scan(const wxFSFile& file)

 {
 {

-    wxASSERT_MSG(m_Keyword != NULL, wxT("wxSearchEngine::LookFor must be called before scanning!"));
+    wxASSERT_MSG(m_Keyword != NULL, wxT("wxHtmlSearchEngine::LookFor must be called before scanning!"));

 
     int i, j;
 
     int i, j;

-    int lng = stream ->GetSize();

     int wrd = wxStrlen(m_Keyword);
     bool found = FALSE;
     int wrd = wxStrlen(m_Keyword);
     bool found = FALSE;

-    char *buf = new char[lng + 1];
-    stream->Read(buf, lng);
-    buf[lng] = 0;
+    wxHtmlFilterHTML filter;
+    wxString tmp = filter.ReadFile(file);
+    int lng = tmp.length();
+    const wxChar *buf = tmp.c_str();

 
     if (!m_CaseSensitive)
         for (i = 0; i < lng; i++)
 
     if (!m_CaseSensitive)
         for (i = 0; i < lng; i++)

-            if ((buf[i] >= 'A') && (buf[i] <= 'Z')) buf[i] += 'a' - 'A';
+            tmp[(size_t)i] = (wxChar)wxTolower(tmp[(size_t)i]);

 
     if (m_WholeWords)
     {
 
     if (m_WholeWords)
     {


@@ -852,7 +886,6 @@ bool wxSearchEngine::Scan(wxInputStream *stream)
         }
     }
 
         }
     }
 

-    delete[] buf;

     return found;
 }
 
     return found;
 }