projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 0413cec5 OK |
1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: filter.cpp | |
| 3 | // Purpose: wxHtmlFilter - input filter for translating into HTML format | |
| 4 | // Author: Vaclav Slavik | |
| 5 | // Copyright: (c) 1999 Vaclav Slavik | |
| 6 | // Licence: wxWindows Licence | |
| 7 | ///////////////////////////////////////////////////////////////////////////// | |
| 8 | ||
| 9 | ||
| 10 | #ifdef __GNUG__ | |
| 11 | #pragma implementation "htmlfilter.h" | |
| 12 | #endif | |
| 13 | ||
| 14 | #include "wx/wxprec.h" | |
| 15 | ||
| 16 | #if wxUSE_HTML | |
| 17 | ||
| 18 | #ifdef __BORDLANDC__ | |
| 19 | #pragma hdrstop | |
| 20 | #endif | |
| 21 | ||
| 22 | #ifndef WXPRECOMP | |
| 23 | #include "wx/wx.h" | |
| 24 | #endif | |
| 25 | ||
| 26 | #include "wx/html/htmlfilter.h" | |
| 27 | #include "wx/html/htmlwin.h" | |
| 28 | ||
| 29 | ||
| 30 | /* | |
| 31 | ||
| 32 | There is code for several default filters: | |
| 33 | ||
| 34 | */ | |
| 35 | ||
| 36 | IMPLEMENT_ABSTRACT_CLASS(wxHtmlFilter, wxObject) | |
| 37 | ||
| 38 | //-------------------------------------------------------------------------------- | |
| 39 | // wxHtmlFilterPlainText | |
| 40 | // filter for text/plain or uknown | |
| 41 | //-------------------------------------------------------------------------------- | |
| 42 | ||
| 43 | IMPLEMENT_DYNAMIC_CLASS(wxHtmlFilterPlainText, wxHtmlFilter) | |
| 44 | ||
| 45 | bool wxHtmlFilterPlainText::CanRead(const wxFSFile& WXUNUSED(file)) const | |
| 46 | { | |
| 47 | return TRUE; | |
| 48 | } | |
| 49 | ||
| 50 | ||
| 51 | ||
| 52 | wxString wxHtmlFilterPlainText::ReadFile(const wxFSFile& file) const | |
| 53 | { | |
| 54 | wxInputStream *s = file.GetStream(); | |
| 55 | char *src; | |
| 56 | wxString doc, doc2; | |
| 57 | ||
| 58 | if (s == NULL) return wxEmptyString; | |
| 59 | src = new char[s -> GetSize()+1]; | |
| 60 | src[s -> GetSize()] = 0; | |
| 61 | s -> Read(src, s -> GetSize()); | |
| 62 | doc = src; | |
| 63 | delete [] src; | |
| 64 | ||
| 65 | doc.Replace(_T("<"), _T("<"), TRUE); | |
| 66 | doc.Replace(_T(">"), _T(">"), TRUE); | |
| 67 | doc2 = _T("<HTML><BODY><PRE>\n") + doc + _T("\n</PRE></BODY></HTML>"); | |
| 68 | return doc2; | |
| 69 | } | |
| 70 | ||
| 71 | ||
| 72 | ||
| 73 | ||
| 74 | ||
| 75 | //-------------------------------------------------------------------------------- | |
| 76 | // wxHtmlFilterImage | |
| 77 | // filter for image/* | |
| 78 | //-------------------------------------------------------------------------------- | |
| 79 | ||
| 80 | class wxHtmlFilterImage : public wxHtmlFilter | |
| 81 | { | |
| 82 | DECLARE_DYNAMIC_CLASS(wxHtmlFilterImage) | |
| 83 | ||
| 84 | public: | |
| 85 | virtual bool CanRead(const wxFSFile& file) const; | |
| 86 | virtual wxString ReadFile(const wxFSFile& file) const; | |
| 87 | }; | |
| 88 | ||
| 89 | IMPLEMENT_DYNAMIC_CLASS(wxHtmlFilterImage, wxHtmlFilter) | |
| 90 | ||
| 91 | ||
| 92 | ||
| 93 | bool wxHtmlFilterImage::CanRead(const wxFSFile& file) const | |
| 94 | { | |
| 95 | return (file.GetMimeType().Left(6) == "image/"); | |
| 96 | } | |
| 97 | ||
| 98 | ||
| 99 | ||
| 100 | wxString wxHtmlFilterImage::ReadFile(const wxFSFile& file) const | |
| 101 | { | |
| 102 | return ("<HTML><BODY><IMG SRC=\"" + file.GetLocation() + "\"></BODY></HTML>"); | |
| 103 | } | |
| 104 | ||
| 105 | ||
| 106 | ||
| 107 | ||
| 108 | //-------------------------------------------------------------------------------- | |
| 109 | // wxHtmlFilterPlainText | |
| 110 | // filter for text/plain or uknown | |
| 111 | //-------------------------------------------------------------------------------- | |
| 112 | ||
| 113 | class wxHtmlFilterHTML : public wxHtmlFilter | |
| 114 | { | |
| 115 | DECLARE_DYNAMIC_CLASS(wxHtmlFilterHTML) | |
| 116 | ||
| 117 | public: | |
| 118 | virtual bool CanRead(const wxFSFile& file) const; | |
| 119 | virtual wxString ReadFile(const wxFSFile& file) const; | |
| 120 | }; | |
| 121 | ||
| 122 | ||
| 123 | IMPLEMENT_DYNAMIC_CLASS(wxHtmlFilterHTML, wxHtmlFilter) | |
| 124 | ||
| 125 | bool wxHtmlFilterHTML::CanRead(const wxFSFile& file) const | |
| 126 | { | |
| 127 | // return (file.GetMimeType() == "text/html"); | |
| 128 | // This is true in most case but some page can return: | |
| 129 | // "text/html; char-encoding=...." | |
| 130 | // So we use Find instead | |
| 131 | return (file.GetMimeType().Find(_T("text/html")) == 0); | |
| 132 | } | |
| 133 | ||
| 134 | ||
| 135 | ||
| 136 | wxString wxHtmlFilterHTML::ReadFile(const wxFSFile& file) const | |
| 137 | { | |
| 138 | wxInputStream *s = file.GetStream(); | |
| 139 | char *src; | |
| 140 | wxString doc; | |
| 141 | ||
| 142 | if (s == NULL) return wxEmptyString; | |
| 143 | src = new char[s -> GetSize() + 1]; | |
| 144 | src[s -> GetSize()] = 0; | |
| 145 | s -> Read(src, s -> GetSize()); | |
| 146 | doc = src; | |
| 147 | delete[] src; | |
| 148 | ||
| 149 | return doc; | |
| 150 | } | |
| 151 | ||
| 152 | ||
| 153 | ||
| 154 | ||
| 155 | ///// Module: | |
| 156 | ||
| 157 | class wxHtmlFilterModule : public wxModule | |
| 158 | { | |
| 159 | DECLARE_DYNAMIC_CLASS(wxHtmlFilterModule) | |
| 160 | ||
| 161 | public: | |
| 162 | virtual bool OnInit() | |
| 163 | { | |
| 164 | wxHtmlWindow::AddFilter(new wxHtmlFilterHTML); | |
| 165 | wxHtmlWindow::AddFilter(new wxHtmlFilterImage); | |
| 166 | return TRUE; | |
| 167 | } | |
| 168 | virtual void OnExit() {} | |
| 169 | }; | |
| 170 | ||
| 171 | IMPLEMENT_DYNAMIC_CLASS(wxHtmlFilterModule, wxModule) | |
| 172 | ||
| 173 | #endif |