/////////////////////////////////////////////////////////////////////////////
-// Name: winpars.cpp
+// Name: src/html/winpars.cpp
// Purpose: wxHtmlParser class (generic parser)
// Author: Vaclav Slavik
// RCS-ID: $Id$
// Copyright: (c) 1999 Vaclav Slavik
-// Licence: wxWindows Licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
#include "wx/wxprec.h"
-#include "wx/defs.h"
-#if wxUSE_HTML
-
-#ifdef __BORDLANDC__
-#pragma hdrstop
+#ifdef __BORLANDC__
+ #pragma hdrstop
#endif
+#if wxUSE_HTML && wxUSE_STREAMS
+
#ifndef WXPRECOMP
-#include "wx/wx.h"
+ #include "wx/intl.h"
+ #include "wx/dc.h"
+ #include "wx/log.h"
+ #include "wx/settings.h"
#endif
#include "wx/html/htmldefs.h"
#include "wx/html/winpars.h"
#include "wx/html/htmlwin.h"
+#include "wx/fontmap.h"
+#include "wx/uri.h"
//-----------------------------------------------------------------------------
// wxHtmlWinParser
//-----------------------------------------------------------------------------
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinParser, wxHtmlParser)
wxList wxHtmlWinParser::m_Modules;
-wxHtmlWinParser::wxHtmlWinParser(wxWindow *wnd) : wxHtmlParser()
+wxHtmlWinParser::wxHtmlWinParser(wxHtmlWindowInterface *wndIface)
{
- m_Window = wnd;
+ m_tmpStrBuf = NULL;
+ m_tmpStrBufSize = 0;
+ m_windowInterface = wndIface;
m_Container = NULL;
m_DC = NULL;
m_CharHeight = m_CharWidth = 0;
- m_UseLink = FALSE;
+ m_UseLink = false;
+#if !wxUSE_UNICODE
+ m_EncConv = NULL;
+ m_InputEnc = wxFONTENCODING_ISO8859_1;
+ m_OutputEnc = wxFONTENCODING_DEFAULT;
+#endif
+ m_lastWordCell = NULL;
{
int i, j, k, l, m;
for (j = 0; j < 2; j++)
for (k = 0; k < 2; k++)
for (l = 0; l < 2; l++)
- for (m = 0; m < 7; m++) {
+ for (m = 0; m < 7; m++)
+ {
m_FontsTable[i][j][k][l][m] = NULL;
m_FontsFacesTable[i][j][k][l][m] = wxEmptyString;
- }
-#ifdef __WXMSW__
- static int default_sizes[7] = {7, 8, 10, 12, 16, 22, 30};
-#else
- static int default_sizes[7] = {10, 12, 14, 16, 19, 24, 32};
+#if !wxUSE_UNICODE
+ m_FontsEncTable[i][j][k][l][m] = wxFONTENCODING_DEFAULT;
#endif
- SetFonts("", "", default_sizes);
+ }
+
+ SetFonts(wxEmptyString, wxEmptyString, NULL);
}
// fill in wxHtmlParser's tables:
- wxNode *node = m_Modules.GetFirst();
- while (node) {
- wxHtmlTagsModule *mod = (wxHtmlTagsModule*) node -> GetData();
- mod -> FillHandlersTable(this);
- node = node -> GetNext();
+ wxList::compatibility_iterator node = m_Modules.GetFirst();
+ while (node)
+ {
+ wxHtmlTagsModule *mod = (wxHtmlTagsModule*) node->GetData();
+ mod->FillHandlersTable(this);
+ node = node->GetNext();
}
}
+wxHtmlWinParser::~wxHtmlWinParser()
+{
+ int i, j, k, l, m;
+ for (i = 0; i < 2; i++)
+ for (j = 0; j < 2; j++)
+ for (k = 0; k < 2; k++)
+ for (l = 0; l < 2; l++)
+ for (m = 0; m < 7; m++)
+ {
+ if (m_FontsTable[i][j][k][l][m] != NULL)
+ delete m_FontsTable[i][j][k][l][m];
+ }
+#if !wxUSE_UNICODE
+ delete m_EncConv;
+#endif
+ delete[] m_tmpStrBuf;
+}
void wxHtmlWinParser::AddModule(wxHtmlTagsModule *module)
{
m_Modules.Append(module);
}
+void wxHtmlWinParser::RemoveModule(wxHtmlTagsModule *module)
+{
+ m_Modules.DeleteObject(module);
+}
+// build all HTML font sizes (1..7) from the given base size
+static void wxBuildFontSizes(int *sizes, int size)
+{
+ // using a fixed factor (1.2, from CSS2) is a bad idea as explained at
+ // http://www.w3.org/TR/CSS21/fonts.html#font-size-props but this is by far
+ // simplest thing to do so still do it like this for now
+ sizes[0] = int(size * 0.75); // exception to 1.2 rule, otherwise too small
+ sizes[1] = int(size * 0.83);
+ sizes[2] = size;
+ sizes[3] = int(size * 1.2);
+ sizes[4] = int(size * 1.44);
+ sizes[5] = int(size * 1.73);
+ sizes[6] = int(size * 2);
+}
-void wxHtmlWinParser::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes)
+static int wxGetDefaultHTMLFontSize()
{
+ // base the default font size on the size of the default system font but
+ // also ensure that we have a font of reasonable size, otherwise small HTML
+ // fonts are unreadable
+ int size = wxNORMAL_FONT->GetPointSize();
+ if ( size < 10 )
+ size = 10;
+ return size;
+}
+
+void wxHtmlWinParser::SetFonts(const wxString& normal_face,
+ const wxString& fixed_face,
+ const int *sizes)
+{
+ static int default_sizes[7] = { 0 };
+ if ( !sizes )
+ {
+ if ( !default_sizes[0] )
+ wxBuildFontSizes(default_sizes, wxGetDefaultHTMLFontSize());
+
+ sizes = default_sizes;
+ }
+
int i, j, k, l, m;
- for (i = 0; i < 7; i++) m_FontsSizes[i] = sizes[i];
+ for (i = 0; i < 7; i++)
+ m_FontsSizes[i] = sizes[i];
+
m_FontFaceFixed = fixed_face;
m_FontFaceNormal = normal_face;
+#if !wxUSE_UNICODE
+ SetInputEncoding(m_InputEnc);
+#endif
+
for (i = 0; i < 2; i++)
for (j = 0; j < 2; j++)
for (k = 0; k < 2; k++)
for (l = 0; l < 2; l++)
for (m = 0; m < 7; m++) {
- if (m_FontsTable[i][j][k][l][m] != NULL) {
+ if (m_FontsTable[i][j][k][l][m] != NULL)
+ {
delete m_FontsTable[i][j][k][l][m];
m_FontsTable[i][j][k][l][m] = NULL;
}
}
}
+void wxHtmlWinParser::SetStandardFonts(int size,
+ const wxString& normal_face,
+ const wxString& fixed_face)
+{
+ if (size == -1)
+ size = wxGetDefaultHTMLFontSize();
+
+ int f_sizes[7];
+ wxBuildFontSizes(f_sizes, size);
+ wxString normal = normal_face;
+ if ( normal.empty() )
+ normal = wxNORMAL_FONT->GetFaceName();
+
+ SetFonts(normal, fixed_face, f_sizes);
+}
void wxHtmlWinParser::InitParser(const wxString& source)
{
wxHtmlParser::InitParser(source);
- wxASSERT_MSG(m_DC != NULL, _("no DC assigned to wxHtmlWinParser!!"));
+ wxASSERT_MSG(m_DC != NULL, wxT("no DC assigned to wxHtmlWinParser!!"));
m_FontBold = m_FontItalic = m_FontUnderlined = m_FontFixed = FALSE;
m_FontSize = 3; //default one
CreateCurrentFont(); // we're selecting default font into
- m_DC -> GetTextExtent("H", &m_CharWidth, &m_CharHeight);
+ m_DC->GetTextExtent( wxT("H"), &m_CharWidth, &m_CharHeight);
/* NOTE : we're not using GetCharWidth/Height() because
- of differences under X and win
+ of differences under X and win
*/
- m_UseLink = FALSE;
- m_Link = wxHtmlLinkInfo("", "");
+ m_UseLink = false;
+ m_Link = wxHtmlLinkInfo( wxEmptyString );
m_LinkColor.Set(0, 0, 0xFF);
m_ActualColor.Set(0, 0, 0);
m_Align = wxHTML_ALIGN_LEFT;
- m_tmpLastWasSpace = FALSE;
+ m_ScriptMode = wxHTML_SCRIPT_NORMAL;
+ m_ScriptBaseline = 0;
+ m_tmpLastWasSpace = false;
+ m_lastWordCell = NULL;
+ // open the toplevel container that contains everything else and that
+ // is never closed (this makes parser's life easier):
OpenContainer();
+ // then open the first container into which page's content will go:
OpenContainer();
- m_Container -> InsertCell(new wxHtmlColourCell(m_ActualColor));
- m_Container -> InsertCell(new wxHtmlFontCell(CreateCurrentFont()));
-}
+#if !wxUSE_UNICODE
+ wxString charset = ExtractCharsetInformation(source);
+ if (!charset.empty())
+ {
+ wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(charset);
+ if (enc != wxFONTENCODING_SYSTEM)
+ SetInputEncoding(enc);
+ }
+#endif
+ m_Container->InsertCell(new wxHtmlColourCell(m_ActualColor));
+ wxColour windowColour = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW) ;
+
+ m_Container->InsertCell
+ (
+ new wxHtmlColourCell
+ (
+ m_windowInterface
+ ? m_windowInterface->GetHTMLBackgroundColour()
+ : windowColour,
+ wxHTML_CLR_BACKGROUND
+ )
+ );
+
+ m_Container->InsertCell(new wxHtmlFontCell(CreateCurrentFont()));
+}
void wxHtmlWinParser::DoneParser()
{
m_Container = NULL;
+#if !wxUSE_UNICODE
+ SetInputEncoding(wxFONTENCODING_ISO8859_1); // for next call
+#endif
wxHtmlParser::DoneParser();
}
-
+#if WXWIN_COMPATIBILITY_2_6
+wxHtmlWindow *wxHtmlWinParser::GetWindow()
+{
+ if (!m_windowInterface)
+ return NULL;
+ return wxDynamicCast(m_windowInterface->GetHTMLWindow(), wxHtmlWindow);
+}
+#endif
wxObject* wxHtmlWinParser::GetProduct()
{
CloseContainer();
OpenContainer();
- GetContainer() -> SetIndent(m_CharHeight, wxHTML_INDENT_TOP);
+
top = m_Container;
- while (top -> GetParent()) top = top -> GetParent();
+ while (top->GetParent()) top = top->GetParent();
+ top->RemoveExtraSpacing(true, true);
+
return top;
}
+wxFSFile *wxHtmlWinParser::OpenURL(wxHtmlURLType type,
+ const wxString& url) const
+{
+ if ( !m_windowInterface )
+ return wxHtmlParser::OpenURL(type, url);
+
+ wxString myurl(url);
+ wxHtmlOpeningStatus status;
+ for (;;)
+ {
+ wxString myfullurl(myurl);
+
+ // consider url as absolute path first
+ wxURI current(myurl);
+ myfullurl = current.BuildUnescapedURI();
+
+ // if not absolute then ...
+ if( current.IsReference() )
+ {
+ wxString basepath = GetFS()->GetPath();
+ wxURI base(basepath);
+
+ // ... try to apply base path if valid ...
+ if( !base.IsReference() )
+ {
+ wxURI path(myfullurl);
+ path.Resolve( base );
+ myfullurl = path.BuildUnescapedURI();
+ }
+ else
+ {
+ // ... or force such addition if not included already
+ if( !current.GetPath().Contains(base.GetPath()) )
+ {
+ basepath += myurl;
+ wxURI connected( basepath );
+ myfullurl = connected.BuildUnescapedURI();
+ }
+ }
+ }
+ wxString redirect;
+ status = m_windowInterface->OnHTMLOpeningURL(type, myfullurl, &redirect);
+ if ( status != wxHTML_REDIRECT )
+ break;
-void wxHtmlWinParser::AddText(const char* txt)
+ myurl = redirect;
+ }
+
+ if ( status == wxHTML_BLOCK )
+ return NULL;
+
+ return GetFS()->OpenFile(myurl);
+}
+
+void wxHtmlWinParser::AddText(const wxChar* txt)
{
- wxHtmlCell *c;
- int i = 0, x, lng = strlen(txt);
- char temp[wxHTML_BUFLEN];
- register char d;
+ size_t i = 0,
+ x,
+ lng = wxStrlen(txt);
+ register wxChar d;
int templen = 0;
+ wxChar nbsp = GetEntitiesParser()->GetCharForCode(160 /* nbsp */);
+
+ if (lng+1 > m_tmpStrBufSize)
+ {
+ delete[] m_tmpStrBuf;
+ m_tmpStrBuf = new wxChar[lng+1];
+ m_tmpStrBufSize = lng+1;
+ }
+ wxChar *temp = m_tmpStrBuf;
- if (m_tmpLastWasSpace) {
- while ((i < lng) && ((txt[i] == '\n') || (txt[i] == '\r') || (txt[i] == ' ') || (txt[i] == '\t'))) i++;
+ if (m_tmpLastWasSpace)
+ {
+ while ((i < lng) &&
+ ((txt[i] == wxT('\n')) || (txt[i] == wxT('\r')) || (txt[i] == wxT(' ')) ||
+ (txt[i] == wxT('\t')))) i++;
}
- while (i < lng) {
+ while (i < lng)
+ {
x = 0;
d = temp[templen++] = txt[i];
- if ((d == '\n') || (d == '\r') || (d == ' ') || (d == '\t')) {
+ if ((d == wxT('\n')) || (d == wxT('\r')) || (d == wxT(' ')) || (d == wxT('\t')))
+ {
i++, x++;
- while ((i < lng) && ((txt[i] == '\n') || (txt[i] == '\r') || (txt[i] == ' ') || (txt[i] == '\t'))) i++, x++;
+ while ((i < lng) && ((txt[i] == wxT('\n')) || (txt[i] == wxT('\r')) ||
+ (txt[i] == wxT(' ')) || (txt[i] == wxT('\t')))) i++, x++;
}
else i++;
- if (x) {
- temp[templen-1] = ' ';
- temp[templen] = 0;
- templen = 0;
- c = new wxHtmlWordCell(temp, *(GetDC()));
- if (m_UseLink) c -> SetLink(m_Link);
- m_Container -> InsertCell(c);
- m_tmpLastWasSpace = TRUE;
+ if (x)
+ {
+ temp[templen-1] = wxT(' ');
+ DoAddText(temp, templen, nbsp);
+ m_tmpLastWasSpace = true;
}
}
- if (templen) {
- temp[templen] = 0;
- c = new wxHtmlWordCell(temp, *(GetDC()));
- if (m_UseLink) c -> SetLink(m_Link);
- m_Container -> InsertCell(c);
- m_tmpLastWasSpace = FALSE;
+
+ if (templen && (templen > 1 || temp[0] != wxT(' ')))
+ {
+ DoAddText(temp, templen, nbsp);
+ m_tmpLastWasSpace = false;
}
}
+void wxHtmlWinParser::DoAddText(wxChar *temp, int& templen, wxChar nbsp)
+{
+ temp[templen] = 0;
+ templen = 0;
+#if !wxUSE_UNICODE
+ if (m_EncConv)
+ m_EncConv->Convert(temp);
+#endif
+ size_t len = wxStrlen(temp);
+ for (size_t j = 0; j < len; j++)
+ {
+ if (temp[j] == nbsp)
+ temp[j] = wxT(' ');
+ }
+
+ wxHtmlCell *c = new wxHtmlWordCell(temp, *(GetDC()));
+
+ ApplyStateToCell(c);
+
+ m_Container->InsertCell(c);
+ ((wxHtmlWordCell*)c)->SetPreviousWord(m_lastWordCell);
+ m_lastWordCell = (wxHtmlWordCell*)c;
+}
+
wxHtmlContainerCell* wxHtmlWinParser::OpenContainer()
{
m_Container = new wxHtmlContainerCell(m_Container);
- m_Container -> SetAlignHor(m_Align);
- m_tmpLastWasSpace = TRUE;
+ m_Container->SetAlignHor(m_Align);
+ m_tmpLastWasSpace = true;
/* to avoid space being first character in paragraph */
return m_Container;
}
wxHtmlContainerCell* wxHtmlWinParser::SetContainer(wxHtmlContainerCell *c)
{
- m_tmpLastWasSpace = TRUE;
+ m_tmpLastWasSpace = true;
/* to avoid space being first character in paragraph */
return m_Container = c;
}
wxHtmlContainerCell* wxHtmlWinParser::CloseContainer()
{
- m_Container = m_Container -> GetParent();
+ m_Container = m_Container->GetParent();
return m_Container;
}
wxString face = ff ? m_FontFaceFixed : m_FontFaceNormal;
wxString *faceptr = &(m_FontsFacesTable[fb][fi][fu][ff][fs]);
wxFont **fontptr = &(m_FontsTable[fb][fi][fu][ff][fs]);
+#if !wxUSE_UNICODE
+ wxFontEncoding *encptr = &(m_FontsEncTable[fb][fi][fu][ff][fs]);
+#endif
- if (*fontptr != NULL && *faceptr != face) {
+ if (*fontptr != NULL && (*faceptr != face
+#if !wxUSE_UNICODE
+ || *encptr != m_OutputEnc
+#endif
+ ))
+ {
delete *fontptr;
*fontptr = NULL;
}
- if (*fontptr == NULL) {
+ if (*fontptr == NULL)
+ {
*faceptr = face;
*fontptr = new wxFont(
- m_FontsSizes[fs] * m_PixelScale,
+ (int) (m_FontsSizes[fs] * m_PixelScale),
ff ? wxMODERN : wxSWISS,
fi ? wxITALIC : wxNORMAL,
fb ? wxBOLD : wxNORMAL,
- fu ? TRUE : FALSE, face);
+ fu ? true : false, face
+#if wxUSE_UNICODE
+ );
+#else
+ , m_OutputEnc);
+ *encptr = m_OutputEnc;
+#endif
}
- m_DC -> SetFont(**fontptr);
+ m_DC->SetFont(**fontptr);
return (*fontptr);
}
void wxHtmlWinParser::SetLink(const wxHtmlLinkInfo& link)
{
- m_Link = link;
+ m_Link = link;
m_UseLink = (link.GetHref() != wxEmptyString);
}
+void wxHtmlWinParser::SetFontFace(const wxString& face)
+{
+ if (GetFontFixed()) m_FontFaceFixed = face;
+ else m_FontFaceNormal = face;
+
+#if !wxUSE_UNICODE
+ if (m_InputEnc != wxFONTENCODING_DEFAULT)
+ SetInputEncoding(m_InputEnc);
+#endif
+}
+
+void wxHtmlWinParser::ApplyStateToCell(wxHtmlCell *cell)
+{
+ // set the link:
+ if (m_UseLink)
+ cell->SetLink(GetLink());
+
+ // apply current script mode settings:
+ cell->SetScriptMode(GetScriptMode(), GetScriptBaseline());
+}
+
+
+#if !wxUSE_UNICODE
+void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
+{
+ m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
+ if (m_EncConv)
+ {
+ delete m_EncConv;
+ m_EncConv = NULL;
+ }
+
+ if (enc == wxFONTENCODING_DEFAULT) return;
+
+ wxFontEncoding altfix, altnorm;
+ bool availfix, availnorm;
+
+ // exact match?
+ availnorm = wxFontMapper::Get()->IsEncodingAvailable(enc, m_FontFaceNormal);
+ availfix = wxFontMapper::Get()->IsEncodingAvailable(enc, m_FontFaceFixed);
+ if (availnorm && availfix)
+ m_OutputEnc = enc;
+
+ // alternatives?
+ else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, false) &&
+ wxFontMapper::Get()->GetAltForEncoding(enc, &altfix, m_FontFaceFixed, false) &&
+ altnorm == altfix)
+ m_OutputEnc = altnorm;
+
+ // at least normal face?
+ else if (availnorm)
+ m_OutputEnc = enc;
+ else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, false))
+ m_OutputEnc = altnorm;
+
+ else
+ {
+#ifndef __WXMAC__
+ // okay, let's convert to ISO_8859-1, available always
+ m_OutputEnc = wxFONTENCODING_DEFAULT;
+#else
+ m_OutputEnc = wxLocale::GetSystemEncoding() ;
+#endif
+ }
+
+ m_InputEnc = enc;
+ if (m_OutputEnc == wxFONTENCODING_DEFAULT)
+ GetEntitiesParser()->SetEncoding(wxFONTENCODING_SYSTEM);
+ else
+ GetEntitiesParser()->SetEncoding(m_OutputEnc);
+
+ if (m_InputEnc == m_OutputEnc) return;
+
+ m_EncConv = new wxEncodingConverter();
+ if (!m_EncConv->Init(m_InputEnc,
+ (m_OutputEnc == wxFONTENCODING_DEFAULT) ?
+ wxFONTENCODING_ISO8859_1 : m_OutputEnc,
+ wxCONVERT_SUBSTITUTE))
+ { // total failure :-(
+ wxLogError(_("Failed to display HTML document in %s encoding"),
+ wxFontMapper::GetEncodingName(enc).c_str());
+ m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
+ delete m_EncConv;
+ m_EncConv = NULL;
+ }
+}
+#endif
+
IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinTagHandler, wxHtmlTagHandler)
-
-
//-----------------------------------------------------------------------------
// wxHtmlTagsModule
//-----------------------------------------------------------------------------
+// NB: This is *NOT* winpars.cpp's initialization and shutdown code!!
+// This module is an ancestor for tag handlers modules defined
+// in m_*.cpp files with TAGS_MODULE_BEGIN...TAGS_MODULE_END construct.
+//
+// Do not add any winpars.cpp shutdown or initialization code to it,
+// create a new module instead!
IMPLEMENT_DYNAMIC_CLASS(wxHtmlTagsModule, wxModule)
-
bool wxHtmlTagsModule::OnInit()
{
wxHtmlWinParser::AddModule(this);
- return TRUE;
+ return true;
}
-
-
void wxHtmlTagsModule::OnExit()
{
+ wxHtmlWinParser::RemoveModule(this);
}
-#endif
+#endif
projects / wxWidgets.git / blobdiff