X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f2c2fa4d62b34608e21b04f8010149945aebda70..adb799d6ef8e1ba754ab08b26e64fa40219f95f8:/src/html/winpars.cpp diff --git a/src/html/winpars.cpp b/src/html/winpars.cpp index 3de90241e0..e994399b8b 100644 --- a/src/html/winpars.cpp +++ b/src/html/winpars.cpp @@ -4,46 +4,59 @@ // Author: Vaclav Slavik // RCS-ID: $Id$ // Copyright: (c) 1999 Vaclav Slavik -// Licence: wxWindows Licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) +#pragma implementation "winpars.h" #endif #include "wx/wxprec.h" #include "wx/defs.h" -#if wxUSE_HTML +#if wxUSE_HTML && wxUSE_STREAMS -#ifdef __BORDLANDC__ +#ifdef __BORLANDC__ #pragma hdrstop #endif #ifndef WXPRECOMP -#include "wx/wx.h" + #include "wx/intl.h" + #include "wx/dc.h" #endif #include "wx/html/htmldefs.h" #include "wx/html/winpars.h" #include "wx/html/htmlwin.h" +#include "wx/fontmap.h" +#include "wx/log.h" +#include "wx/settings.h" //----------------------------------------------------------------------------- // wxHtmlWinParser //----------------------------------------------------------------------------- +IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinParser, wxHtmlParser) wxList wxHtmlWinParser::m_Modules; -wxHtmlWinParser::wxHtmlWinParser(wxWindow *wnd) : wxHtmlParser() +wxHtmlWinParser::wxHtmlWinParser(wxHtmlWindow *wnd) : wxHtmlParser() { + m_tmpStrBuf = NULL; + m_tmpStrBufSize = 0; m_Window = wnd; m_Container = NULL; m_DC = NULL; m_CharHeight = m_CharWidth = 0; 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; @@ -52,164 +65,267 @@ wxHtmlWinParser::wxHtmlWinParser(wxWindow *wnd) : wxHtmlParser() for (k = 0; k < 2; k++) for (l = 0; l < 2; l++) for (m = 0; m < 7; m++) + { m_FontsTable[i][j][k][l][m] = NULL; -#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}; + m_FontsFacesTable[i][j][k][l][m] = wxEmptyString; +#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); +} - -void wxHtmlWinParser::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes) +void wxHtmlWinParser::SetFonts(wxString normal_face, wxString fixed_face, + const int *sizes) { + static int default_sizes[7] = + { + wxHTML_FONT_SIZE_1, + wxHTML_FONT_SIZE_2, + wxHTML_FONT_SIZE_3, + wxHTML_FONT_SIZE_4, + wxHTML_FONT_SIZE_5, + wxHTML_FONT_SIZE_6, + wxHTML_FONT_SIZE_7 + }; + + if (sizes == NULL) sizes = default_sizes; + int i, j, k, l, m; 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::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_Link = wxHtmlLinkInfo( wxT(""), wxT("") ); m_LinkColor.Set(0, 0, 0xFF); m_ActualColor.Set(0, 0, 0); m_Align = wxHTML_ALIGN_LEFT; m_tmpLastWasSpace = FALSE; + m_lastWordCell = NULL; OpenContainer(); - 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(GetWindow() ? + GetWindow()->GetBackgroundColour() : + 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(); } - - wxObject* wxHtmlWinParser::GetProduct() { wxHtmlContainerCell *top; 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; } - - -wxList* wxHtmlWinParser::GetTempData() +wxFSFile *wxHtmlWinParser::OpenURL(wxHtmlURLType type, + const wxString& url) const { - int i, j, k, l, m; - wxFont *f; - wxList *lst = wxHtmlParser::GetTempData(); - - if (lst == NULL) lst = new wxList; - lst -> DeleteContents(TRUE); + // FIXME - normalize the URL to full path before passing to + // OnOpeningURL!! + if ( m_Window ) + { + wxString myurl(url); + wxHtmlOpeningStatus status; + for (;;) + { + wxString redirect; + status = m_Window->OnOpeningURL(type, myurl, &redirect); + if ( status != wxHTML_REDIRECT ) + break; + + myurl = redirect; + } - 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++) { - f = m_FontsTable[i][j][k][l][m]; - if (f) lst -> Append(f); - } - return lst; -} + if ( status == wxHTML_BLOCK ) + return NULL; + return GetFS()->OpenFile(myurl); + } + return wxHtmlParser::OpenURL(type, url); +} -void wxHtmlWinParser::AddText(const char* txt) +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 (m_tmpLastWasSpace) { - while ((i < lng) && ((txt[i] == '\n') || (txt[i] == '\r') || (txt[i] == ' ') || (txt[i] == '\t'))) i++; + if (lng+1 > m_tmpStrBufSize) + { + delete[] m_tmpStrBuf; + m_tmpStrBuf = new wxChar[lng+1]; + m_tmpStrBufSize = lng+1; } + wxChar *temp = m_tmpStrBuf; - while (i < lng) { + 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) + { 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] = ' '; + if (x) + { + temp[templen-1] = wxT(' '); 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(' '); c = new wxHtmlWordCell(temp, *(GetDC())); - if (m_UseLink) c -> SetLink(m_Link); - m_Container -> InsertCell(c); + if (m_UseLink) + c->SetLink(m_Link); + m_Container->InsertCell(c); + ((wxHtmlWordCell*)c)->SetPreviousWord(m_lastWordCell); + m_lastWordCell = (wxHtmlWordCell*)c; m_tmpLastWasSpace = TRUE; } } - if (templen) { + + if (templen && (templen > 1 || temp[0] != wxT(' '))) + { temp[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(' '); c = new wxHtmlWordCell(temp, *(GetDC())); - if (m_UseLink) c -> SetLink(m_Link); - m_Container -> InsertCell(c); + if (m_UseLink) + c->SetLink(m_Link); + m_Container->InsertCell(c); + ((wxHtmlWordCell*)c)->SetPreviousWord(m_lastWordCell); + m_lastWordCell = (wxHtmlWordCell*)c; m_tmpLastWasSpace = FALSE; } } @@ -219,7 +335,7 @@ void wxHtmlWinParser::AddText(const char* txt) wxHtmlContainerCell* wxHtmlWinParser::OpenContainer() { m_Container = new wxHtmlContainerCell(m_Container); - m_Container -> SetAlignHor(m_Align); + m_Container->SetAlignHor(m_Align); m_tmpLastWasSpace = TRUE; /* to avoid space being first character in paragraph */ return m_Container; @@ -238,7 +354,7 @@ wxHtmlContainerCell* wxHtmlWinParser::SetContainer(wxHtmlContainerCell *c) wxHtmlContainerCell* wxHtmlWinParser::CloseContainer() { - m_Container = m_Container -> GetParent(); + m_Container = m_Container->GetParent(); return m_Container; } @@ -260,28 +376,132 @@ wxFont* wxHtmlWinParser::CreateCurrentFont() ff = GetFontFixed(), fs = GetFontSize() - 1 /*remap from <1;7> to <0;6>*/ ; - if (m_FontsTable[fb][fi][fu][ff][fs] == NULL) { - m_FontsTable[fb][fi][fu][ff][fs] = - new wxFont( - m_FontsSizes[fs] * m_PixelScale, - ff ? wxMODERN : wxSWISS, - fi ? wxITALIC : wxNORMAL, - fb ? wxBOLD : wxNORMAL, - fu ? TRUE : FALSE, ff ? m_FontFaceFixed : m_FontFaceNormal); + 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 !wxUSE_UNICODE + || *encptr != m_OutputEnc +#endif + )) + { + delete *fontptr; + *fontptr = NULL; } - m_DC -> SetFont(*(m_FontsTable[fb][fi][fu][ff][fs])); - return (m_FontsTable[fb][fi][fu][ff][fs]); + + if (*fontptr == NULL) + { + *faceptr = face; + *fontptr = new wxFont( + (int) (m_FontsSizes[fs] * m_PixelScale), + ff ? wxMODERN : wxSWISS, + fi ? wxITALIC : wxNORMAL, + fb ? wxBOLD : wxNORMAL, + fu ? TRUE : FALSE, face +#if wxUSE_UNICODE + ); +#else + , m_OutputEnc); + *encptr = m_OutputEnc; +#endif + } + 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 +} + + + +#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 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 failture :-( + 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 + + //----------------------------------------------------------------------------- @@ -290,26 +510,29 @@ void wxHtmlWinParser::SetLink(const wxHtmlLinkInfo& link) 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; } - - void wxHtmlTagsModule::OnExit() { + wxHtmlWinParser::RemoveModule(this); } + #endif