X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2b5f62a0b2db198609b45dec622a018dae37008e..ea8ca011a351c6aaa4009bedbf0cec19a7c57d98:/src/html/htmlpars.cpp?ds=sidebyside diff --git a/src/html/htmlpars.cpp b/src/html/htmlpars.cpp index 9ed716fe81..d6b6ab4c32 100644 --- a/src/html/htmlpars.cpp +++ b/src/html/htmlpars.cpp @@ -4,14 +4,9 @@ // Author: Vaclav Slavik // RCS-ID: $Id$ // Copyright: (c) 1999 Vaclav Slavik -// Licence: wxWindows Licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// - -#ifdef __GNUG__ -#pragma implementation "htmlpars.h" -#endif - #include "wx/wxprec.h" #include "wx/defs.h" @@ -35,6 +30,16 @@ #include "wx/dynarray.h" #include "wx/arrimpl.cpp" +#ifdef __WXWINCE__ + #include "wx/msw/wince/missing.h" // for bsearch() +#endif + +// DLL options compatibility check: +#include "wx/app.h" +WX_CHECK_BUILD_OPTIONS("wxHTML") + +const wxChar *wxTRACE_HTML_DEBUG = _T("htmldebug"); + //----------------------------------------------------------------------------- // wxHtmlParser helpers //----------------------------------------------------------------------------- @@ -47,7 +52,7 @@ public: }; WX_DECLARE_OBJARRAY(wxHtmlTextPiece, wxHtmlTextPieces); -WX_DEFINE_OBJARRAY(wxHtmlTextPieces); +WX_DEFINE_OBJARRAY(wxHtmlTextPieces) class wxHtmlParserState { @@ -82,11 +87,18 @@ wxHtmlParser::~wxHtmlParser() { while (RestoreState()) {} DestroyDOMTree(); - + + if (m_HandlersStack) + { + wxList& tmp = *m_HandlersStack; + wxList::iterator it, en; + for( it = tmp.begin(), en = tmp.end(); it != en; ++it ) + delete (wxHashTable*)*it; + tmp.clear(); + } delete m_HandlersStack; m_HandlersHash.Clear(); - m_HandlersList.DeleteContents(TRUE); - m_HandlersList.Clear(); + WX_CLEAR_LIST(wxList, m_HandlersList); delete m_entitiesParser; } @@ -102,7 +114,7 @@ wxObject* wxHtmlParser::Parse(const wxString& source) void wxHtmlParser::InitParser(const wxString& source) { SetSource(source); - m_stopParsing = FALSE; + m_stopParsing = false; } void wxHtmlParser::DoneParser() @@ -127,6 +139,8 @@ void wxHtmlParser::CreateDOMTree() m_CurTextPiece = 0; } +extern bool wxIsCDATAElement(const wxChar *tag); + void wxHtmlParser::CreateDOMSubTree(wxHtmlTag *cur, int begin_pos, int end_pos, wxHtmlTagsCache *cache) @@ -137,6 +151,15 @@ void wxHtmlParser::CreateDOMSubTree(wxHtmlTag *cur, int i = begin_pos; int textBeginning = begin_pos; + // If the tag contains CDATA text, we include the text between beginning + // and ending tag verbosely. Setting i=end_pos will skip to the very + // end of this function where text piece is added, bypassing any child + // tags parsing (CDATA element can't have child elements by definition): + if (cur != NULL && wxIsCDATAElement(cur->GetName().c_str())) + { + i = end_pos; + } + while (i < end_pos) { c = m_Source.GetChar(i); @@ -176,7 +199,7 @@ void wxHtmlParser::CreateDOMSubTree(wxHtmlTag *cur, // add another tag to the tree: else if (i < end_pos-1 && m_Source.GetChar(i+1) != wxT('/')) - { + { wxHtmlTag *chd; if (cur) chd = new wxHtmlTag(cur, m_Source, @@ -209,6 +232,7 @@ void wxHtmlParser::CreateDOMSubTree(wxHtmlTag *cur, } else i = chd->GetBeginPos(); + textBeginning = i; } @@ -280,14 +304,10 @@ void wxHtmlParser::DoParsing(int begin_pos, int end_pos) } else if (m_CurTag) { - // Add tag: - if (m_CurTag) - { - if (m_CurTag->HasEnding()) - begin_pos = m_CurTag->GetEndPos2(); - else - begin_pos = m_CurTag->GetBeginPos(); - } + if (m_CurTag->HasEnding()) + begin_pos = m_CurTag->GetEndPos2(); + else + begin_pos = m_CurTag->GetBeginPos(); wxHtmlTag *t = m_CurTag; m_CurTag = m_CurTag->GetNextTag(); AddTag(*t); @@ -301,7 +321,7 @@ void wxHtmlParser::DoParsing(int begin_pos, int end_pos) void wxHtmlParser::AddTag(const wxHtmlTag& tag) { wxHtmlTagHandler *h; - bool inner = FALSE; + bool inner = false; h = (wxHtmlTagHandler*) m_HandlersHash.Get(tag.GetName()); if (h) @@ -331,7 +351,7 @@ void wxHtmlParser::AddTagHandler(wxHtmlTagHandler *handler) handler->SetParser(this); } -void wxHtmlParser::PushTagHandler(wxHtmlTagHandler *handler, wxString tags) +void wxHtmlParser::PushTagHandler(wxHtmlTagHandler *handler, const wxString& tags) { wxStringTokenizer tokenizer(tags, wxT(", ")); wxString key; @@ -339,10 +359,9 @@ void wxHtmlParser::PushTagHandler(wxHtmlTagHandler *handler, wxString tags) if (m_HandlersStack == NULL) { m_HandlersStack = new wxList; - m_HandlersStack->DeleteContents(TRUE); } - m_HandlersStack->Insert(new wxHashTable(m_HandlersHash)); + m_HandlersStack->Insert((wxObject*)new wxHashTable(m_HandlersHash)); while (tokenizer.HasMoreTokens()) { @@ -354,16 +373,22 @@ void wxHtmlParser::PushTagHandler(wxHtmlTagHandler *handler, wxString tags) void wxHtmlParser::PopTagHandler() { - wxNode *first; + wxList::compatibility_iterator first; - if (m_HandlersStack == NULL || - (first = m_HandlersStack->GetFirst()) == NULL) + if ( !m_HandlersStack || +#if wxUSE_STL + !(first = m_HandlersStack->GetFirst()) +#else // !wxUSE_STL + ((first = m_HandlersStack->GetFirst()) == NULL) +#endif // wxUSE_STL/!wxUSE_STL + ) { wxLogWarning(_("Warning: attempt to remove HTML tag handler from empty stack.")); return; } m_HandlersHash = *((wxHashTable*) first->GetData()); - m_HandlersStack->DeleteNode(first); + delete (wxHashTable*) first->GetData(); + m_HandlersStack->Erase(first); } void wxHtmlParser::SetSourceAndSaveState(const wxString& src) @@ -390,7 +415,7 @@ void wxHtmlParser::SetSourceAndSaveState(const wxString& src) bool wxHtmlParser::RestoreState() { - if (!m_SavedStates) return FALSE; + if (!m_SavedStates) return false; DestroyDOMTree(); @@ -404,7 +429,7 @@ bool wxHtmlParser::RestoreState() m_Source = s->m_source; delete s; - return TRUE; + return true; } //----------------------------------------------------------------------------- @@ -457,7 +482,7 @@ wxString wxHtmlEntitiesParser::Parse(const wxString& input) const wxChar *c, *last; const wxChar *in_str = input.c_str(); wxString output; - + output.reserve(input.length()); for (c = in_str, last = in_str; *c != wxT('\0'); c++) @@ -467,11 +492,11 @@ wxString wxHtmlEntitiesParser::Parse(const wxString& input) if (c - last > 0) output.append(last, c - last); if (++c == wxT('\0')) break; - + wxString entity; const wxChar *ent_s = c; wxChar entity_char; - + for (; (*c >= wxT('a') && *c <= wxT('z')) || (*c >= wxT('A') && *c <= wxT('Z')) || (*c >= wxT('0') && *c <= wxT('9')) || @@ -485,7 +510,9 @@ wxString wxHtmlEntitiesParser::Parse(const wxString& input) else { output.append(ent_s-1, c-ent_s+2); - wxLogDebug(wxT("Unrecognized HTML entity: '%s'"), entity.c_str()); + wxLogTrace(wxTRACE_HTML_DEBUG, + wxT("Unrecognized HTML entity: '%s'"), + entity.c_str()); } } } @@ -821,10 +848,11 @@ wxChar wxHtmlEntitiesParser::GetEntityChar(const wxString& entity) return GetCharForCode(code); } -wxFSFile *wxHtmlParser::OpenURL(wxHtmlURLType WXUNUSED(type), +wxFSFile *wxHtmlParser::OpenURL(wxHtmlURLType WXUNUSED(type), const wxString& url) const { - return GetFS()->OpenFile(url); + return m_FS ? m_FS->OpenFile(url) : NULL; + } @@ -835,9 +863,14 @@ wxFSFile *wxHtmlParser::OpenURL(wxHtmlURLType WXUNUSED(type), class wxMetaTagParser : public wxHtmlParser { public: + wxMetaTagParser() { } + wxObject* GetProduct() { return NULL; } + protected: virtual void AddText(const wxChar* WXUNUSED(txt)) {} + + DECLARE_NO_COPY_CLASS(wxMetaTagParser) }; class wxMetaTagHandler : public wxHtmlTagHandler @@ -849,6 +882,8 @@ public: private: wxString *m_retval; + + DECLARE_NO_COPY_CLASS(wxMetaTagHandler) }; bool wxMetaTagHandler::HandleTag(const wxHtmlTag& tag) @@ -856,21 +891,21 @@ bool wxMetaTagHandler::HandleTag(const wxHtmlTag& tag) if (tag.GetName() == _T("BODY")) { m_Parser->StopParsing(); - return FALSE; + return false; } if (tag.HasParam(_T("HTTP-EQUIV")) && - tag.GetParam(_T("HTTP-EQUIV")) == _T("Content-Type") && + tag.GetParam(_T("HTTP-EQUIV")).IsSameAs(_T("Content-Type"), false) && tag.HasParam(_T("CONTENT"))) { - wxString content = tag.GetParam(_T("CONTENT")); + wxString content = tag.GetParam(_T("CONTENT")).Lower(); if (content.Left(19) == _T("text/html; charset=")) { *m_retval = content.Mid(19); m_Parser->StopParsing(); } } - return FALSE; + return false; } @@ -878,11 +913,14 @@ bool wxMetaTagHandler::HandleTag(const wxHtmlTag& tag) wxString wxHtmlParser::ExtractCharsetInformation(const wxString& markup) { wxString charset; - wxMetaTagParser parser; - parser.AddTagHandler(new wxMetaTagHandler(&charset)); - parser.Parse(markup); + wxMetaTagParser *parser = new wxMetaTagParser(); + if(parser) + { + parser->AddTagHandler(new wxMetaTagHandler(&charset)); + parser->Parse(markup); + delete parser; + } return charset; } - #endif