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git.saurik.com Git - wxWidgets.git/blob - src/html/winpars.cpp
1 /////////////////////////////////////////////////////////////////////////////
3 // Purpose: wxHtmlParser class (generic parser)
4 // Author: Vaclav Slavik
6 // Copyright: (c) 1999 Vaclav Slavik
7 // Licence: wxWindows Licence
8 /////////////////////////////////////////////////////////////////////////////
12 #pragma implementation
15 #include "wx/wxprec.h"
18 #if wxUSE_HTML && wxUSE_STREAMS
29 #include "wx/html/htmldefs.h"
30 #include "wx/html/winpars.h"
31 #include "wx/html/htmlwin.h"
32 #include "wx/fontmap.h"
36 //-----------------------------------------------------------------------------
38 //-----------------------------------------------------------------------------
41 wxList
wxHtmlWinParser::m_Modules
;
43 wxHtmlWinParser::wxHtmlWinParser(wxWindow
*wnd
) : wxHtmlParser()
50 m_CharHeight
= m_CharWidth
= 0;
53 m_InputEnc
= m_OutputEnc
= wxFONTENCODING_DEFAULT
;
57 for (i
= 0; i
< 2; i
++)
58 for (j
= 0; j
< 2; j
++)
59 for (k
= 0; k
< 2; k
++)
60 for (l
= 0; l
< 2; l
++)
61 for (m
= 0; m
< 7; m
++)
63 m_FontsTable
[i
][j
][k
][l
][m
] = NULL
;
64 m_FontsFacesTable
[i
][j
][k
][l
][m
] = wxEmptyString
;
65 m_FontsEncTable
[i
][j
][k
][l
][m
] = wxFONTENCODING_DEFAULT
;
68 static int default_sizes
[7] = {7, 8, 10, 12, 16, 22, 30};
69 #elif defined(__WXMAC__)
70 static int default_sizes
[7] = {9, 12, 14, 18, 24, 30, 36};
72 static int default_sizes
[7] = {10, 12, 14, 16, 19, 24, 32};
74 SetFonts("", "", default_sizes
);
77 // fill in wxHtmlParser's tables:
78 wxNode
*node
= m_Modules
.GetFirst();
81 wxHtmlTagsModule
*mod
= (wxHtmlTagsModule
*) node
->GetData();
82 mod
->FillHandlersTable(this);
83 node
= node
->GetNext();
88 wxHtmlWinParser::~wxHtmlWinParser()
92 for (i
= 0; i
< 2; i
++)
93 for (j
= 0; j
< 2; j
++)
94 for (k
= 0; k
< 2; k
++)
95 for (l
= 0; l
< 2; l
++)
96 for (m
= 0; m
< 7; m
++)
98 if (m_FontsTable
[i
][j
][k
][l
][m
] != NULL
)
99 delete m_FontsTable
[i
][j
][k
][l
][m
];
102 delete[] m_tmpStrBuf
;
106 void wxHtmlWinParser::AddModule(wxHtmlTagsModule
*module)
108 m_Modules
.Append(module);
113 void wxHtmlWinParser::RemoveModule(wxHtmlTagsModule
*module)
115 m_Modules
.DeleteObject(module);
120 void wxHtmlWinParser::SetFonts(wxString normal_face
, wxString fixed_face
, const int *sizes
)
124 for (i
= 0; i
< 7; i
++) m_FontsSizes
[i
] = sizes
[i
];
125 m_FontFaceFixed
= fixed_face
;
126 m_FontFaceNormal
= normal_face
;
128 SetInputEncoding(m_InputEnc
);
130 for (i
= 0; i
< 2; i
++)
131 for (j
= 0; j
< 2; j
++)
132 for (k
= 0; k
< 2; k
++)
133 for (l
= 0; l
< 2; l
++)
134 for (m
= 0; m
< 7; m
++) {
135 if (m_FontsTable
[i
][j
][k
][l
][m
] != NULL
)
137 delete m_FontsTable
[i
][j
][k
][l
][m
];
138 m_FontsTable
[i
][j
][k
][l
][m
] = NULL
;
145 void wxHtmlWinParser::InitParser(const wxString
& source
)
147 wxHtmlParser::InitParser(source
);
148 wxASSERT_MSG(m_DC
!= NULL
, _T("no DC assigned to wxHtmlWinParser!!"));
150 m_FontBold
= m_FontItalic
= m_FontUnderlined
= m_FontFixed
= FALSE
;
151 m_FontSize
= 3; //default one
152 CreateCurrentFont(); // we're selecting default font into
153 m_DC
->GetTextExtent("H", &m_CharWidth
, &m_CharHeight
);
154 /* NOTE : we're not using GetCharWidth/Height() because
155 of differences under X and win
159 m_Link
= wxHtmlLinkInfo("", "");
160 m_LinkColor
.Set(0, 0, 0xFF);
161 m_ActualColor
.Set(0, 0, 0);
162 m_Align
= wxHTML_ALIGN_LEFT
;
163 m_tmpLastWasSpace
= FALSE
;
168 m_Container
->InsertCell(new wxHtmlColourCell(m_ActualColor
));
169 m_Container
->InsertCell(new wxHtmlFontCell(CreateCurrentFont()));
174 void wxHtmlWinParser::DoneParser()
177 SetInputEncoding(wxFONTENCODING_DEFAULT
); // for next call
178 wxHtmlParser::DoneParser();
183 wxObject
* wxHtmlWinParser::GetProduct()
185 wxHtmlContainerCell
*top
;
191 while (top
->GetParent()) top
= top
->GetParent();
196 void wxHtmlWinParser::AddText(const wxChar
* txt
)
199 int i
= 0, x
, lng
= wxStrlen(txt
);
203 if (lng
+1 > m_tmpStrBufSize
)
205 delete[] m_tmpStrBuf
;
206 m_tmpStrBuf
= new wxChar
[lng
+1];
207 m_tmpStrBufSize
= lng
+1;
209 wxChar
*temp
= m_tmpStrBuf
;
211 if (m_tmpLastWasSpace
)
214 ((txt
[i
] == wxT('\n')) || (txt
[i
] == wxT('\r')) || (txt
[i
] == wxT(' ')) ||
215 (txt
[i
] == wxT('\t')))) i
++;
221 d
= temp
[templen
++] = txt
[i
];
222 if ((d
== wxT('\n')) || (d
== wxT('\r')) || (d
== wxT(' ')) || (d
== wxT('\t')))
225 while ((i
< lng
) && ((txt
[i
] == wxT('\n')) || (txt
[i
] == wxT('\r')) ||
226 (txt
[i
] == wxT(' ')) || (txt
[i
] == wxT('\t')))) i
++, x
++;
232 temp
[templen
-1] = wxT(' ');
236 m_EncConv
->Convert(temp
);
237 c
= new wxHtmlWordCell(GetEntitiesParser()->Parse(temp
), *(GetDC()));
240 m_Container
->InsertCell(c
);
241 m_tmpLastWasSpace
= TRUE
;
248 m_EncConv
->Convert(temp
);
249 c
= new wxHtmlWordCell(GetEntitiesParser()->Parse(temp
), *(GetDC()));
252 m_Container
->InsertCell(c
);
253 m_tmpLastWasSpace
= FALSE
;
259 wxHtmlContainerCell
* wxHtmlWinParser::OpenContainer()
261 m_Container
= new wxHtmlContainerCell(m_Container
);
262 m_Container
->SetAlignHor(m_Align
);
263 m_tmpLastWasSpace
= TRUE
;
264 /* to avoid space being first character in paragraph */
270 wxHtmlContainerCell
* wxHtmlWinParser::SetContainer(wxHtmlContainerCell
*c
)
272 m_tmpLastWasSpace
= TRUE
;
273 /* to avoid space being first character in paragraph */
274 return m_Container
= c
;
279 wxHtmlContainerCell
* wxHtmlWinParser::CloseContainer()
281 m_Container
= m_Container
->GetParent();
286 void wxHtmlWinParser::SetFontSize(int s
)
289 else if (s
> 7) s
= 7;
295 wxFont
* wxHtmlWinParser::CreateCurrentFont()
297 int fb
= GetFontBold(),
298 fi
= GetFontItalic(),
299 fu
= GetFontUnderlined(),
301 fs
= GetFontSize() - 1 /*remap from <1;7> to <0;6>*/ ;
303 wxString face
= ff
? m_FontFaceFixed
: m_FontFaceNormal
;
304 wxString
*faceptr
= &(m_FontsFacesTable
[fb
][fi
][fu
][ff
][fs
]);
305 wxFont
**fontptr
= &(m_FontsTable
[fb
][fi
][fu
][ff
][fs
]);
306 wxFontEncoding
*encptr
= &(m_FontsEncTable
[fb
][fi
][fu
][ff
][fs
]);
308 if (*fontptr
!= NULL
&& (*faceptr
!= face
|| *encptr
!= m_OutputEnc
))
314 if (*fontptr
== NULL
)
317 *encptr
= m_OutputEnc
;
318 *fontptr
= new wxFont(
319 (int) (m_FontsSizes
[fs
] * m_PixelScale
),
320 ff
? wxMODERN
: wxSWISS
,
321 fi
? wxITALIC
: wxNORMAL
,
322 fb
? wxBOLD
: wxNORMAL
,
323 fu
? TRUE
: FALSE
, face
,
326 m_DC
->SetFont(**fontptr
);
332 void wxHtmlWinParser::SetLink(const wxHtmlLinkInfo
& link
)
335 m_UseLink
= (link
.GetHref() != wxEmptyString
);
339 void wxHtmlWinParser::SetFontFace(const wxString
& face
)
341 if (GetFontFixed()) m_FontFaceFixed
= face
;
342 else m_FontFaceNormal
= face
;
344 if (m_InputEnc
!= wxFONTENCODING_DEFAULT
)
345 SetInputEncoding(m_InputEnc
);
350 void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc
)
352 m_InputEnc
= m_OutputEnc
= wxFONTENCODING_DEFAULT
;
359 if (enc
== wxFONTENCODING_DEFAULT
) return;
361 wxFontEncoding altfix
, altnorm
;
362 bool availfix
, availnorm
;
365 availnorm
= wxTheFontMapper
->IsEncodingAvailable(enc
, m_FontFaceNormal
);
366 availfix
= wxTheFontMapper
->IsEncodingAvailable(enc
, m_FontFaceFixed
);
367 if (availnorm
&& availfix
)
371 else if (wxTheFontMapper
->GetAltForEncoding(enc
, &altnorm
, m_FontFaceNormal
, FALSE
) &&
372 wxTheFontMapper
->GetAltForEncoding(enc
, &altfix
, m_FontFaceFixed
, FALSE
) &&
374 m_OutputEnc
= altnorm
;
376 // at least normal face?
379 else if (wxTheFontMapper
->GetAltForEncoding(enc
, &altnorm
, m_FontFaceNormal
, FALSE
))
380 m_OutputEnc
= altnorm
;
382 // okay, let convert to ISO_8859-1, available always
384 m_OutputEnc
= wxFONTENCODING_DEFAULT
;
387 if (m_OutputEnc
== wxFONTENCODING_DEFAULT
)
388 GetEntitiesParser()->SetEncoding(wxFONTENCODING_SYSTEM
);
390 GetEntitiesParser()->SetEncoding(m_OutputEnc
);
392 if (m_InputEnc
== m_OutputEnc
) return;
394 m_EncConv
= new wxEncodingConverter();
395 if (!m_EncConv
->Init(m_InputEnc
,
396 (m_OutputEnc
== wxFONTENCODING_DEFAULT
) ?
397 wxFONTENCODING_ISO8859_1
: m_OutputEnc
,
398 wxCONVERT_SUBSTITUTE
))
399 { // total failture :-(
400 wxLogError(_("Failed to display HTML document in %s encoding"),
401 wxFontMapper::GetEncodingName(enc
).c_str());
402 m_InputEnc
= m_OutputEnc
= wxFONTENCODING_DEFAULT
;
412 //-----------------------------------------------------------------------------
413 // wxHtmlWinTagHandler
414 //-----------------------------------------------------------------------------
416 IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinTagHandler
, wxHtmlTagHandler
)
420 //-----------------------------------------------------------------------------
422 //-----------------------------------------------------------------------------
425 IMPLEMENT_DYNAMIC_CLASS(wxHtmlTagsModule
, wxModule
)
428 bool wxHtmlTagsModule::OnInit()
430 wxHtmlWinParser::AddModule(this);
436 void wxHtmlTagsModule::OnExit()
438 wxHtmlWinParser::RemoveModule(this);