src/html/winpars.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        winpars.cpp
   3 // Purpose:     wxHtmlParser class (generic parser)
   4 // Author:      Vaclav Slavik
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 1999 Vaclav Slavik
   7 // Licence:     wxWindows Licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10
  11 #ifdef __GNUG__
  12 #pragma implementation
  13 #endif
  14
  15 #include <wx/wxprec.h>
  16
  17 #include "wx/defs.h"
  18 #if wxUSE_HTML
  19
  20 #ifdef __BORDLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 #ifndef WXPRECOMP
  25 #include <wx/wx.h>
  26 #endif
  27
  28 #include "wx/html/htmldefs.h"
  29 #include "wx/html/winpars.h"
  30 #include "wx/html/htmlwin.h"
  31
  32
  33 //-----------------------------------------------------------------------------
  34 // wxHtmlWinParser
  35 //-----------------------------------------------------------------------------
  36
  37
  38 wxList wxHtmlWinParser::m_Modules;
  39
  40 wxHtmlWinParser::wxHtmlWinParser(wxWindow *wnd) : wxHtmlParser()
  41 {
  42     m_Window = wnd;
  43     m_Container = NULL;
  44     m_DC = NULL;
  45     m_CharHeight = m_CharWidth = 0;
  46     m_UseLink = FALSE;
  47
  48     {
  49         int i, j, k, l, m;
  50         for (i = 0; i < 2; i++)
  51             for (j = 0; j < 2; j++)
  52                 for (k = 0; k < 2; k++)
  53                     for (l = 0; l < 2; l++)
  54                         for (m = 0; m < 7; m++)
  55                             m_FontsTable[i][j][k][l][m] = NULL;
  56 #ifdef __WXMSW__
  57         static int default_sizes[7] = {7, 8, 10, 12, 16, 22, 30};
  58 #else
  59         static int default_sizes[7] = {10, 12, 14, 16, 19, 24, 32};
  60 #endif
  61         SetFonts("", wxSLANT, "", wxSLANT, default_sizes);
  62     }
  63
  64     // fill in wxHtmlParser's tables:
  65     wxNode *node = m_Modules.GetFirst();
  66     while (node){
  67         wxHtmlTagsModule *mod = (wxHtmlTagsModule*) node -> GetData();
  68         mod -> FillHandlersTable(this);
  69         node = node -> GetNext();
  70     }
  71 }
  72
  73
  74
  75 void wxHtmlWinParser::AddModule(wxHtmlTagsModule *module)
  76 {
  77     m_Modules.Append(module);
  78 }
  79
  80
  81
  82 void wxHtmlWinParser::SetFonts(wxString normal_face, int normal_italic_mode, wxString fixed_face, int fixed_italic_mode, const int *sizes)
  83 {
  84     for (int i = 0; i < 7; i++) m_FontsSizes[i] = sizes[i];
  85     m_FontFaceFixed = fixed_face;
  86     m_FontFaceNormal = normal_face;
  87     m_ItalicModeFixed = fixed_italic_mode;
  88     m_ItalicModeNormal = normal_italic_mode;
  89 }
  90
  91
  92
  93 void wxHtmlWinParser::InitParser(const wxString& source)
  94 {
  95     wxHtmlParser::InitParser(source);
  96     wxASSERT_MSG(m_DC != NULL, _("no DC assigned to wxHtmlWinParser!!"));
  97
  98     m_FontBold = m_FontItalic = m_FontUnderlined = m_FontFixed = FALSE;
  99     m_FontSize = 0;
 100     CreateCurrentFont();           // we're selecting default font into
 101     m_DC -> GetTextExtent("H", &m_CharWidth, &m_CharHeight);
 102                 /* NOTE : we're not using GetCharWidth/Height() because
 103                    of differences under X and win
 104                  */
 105
 106     m_Link = "";
 107     m_LinkColor.Set(0, 0, 0xFF);
 108     m_ActualColor.Set(0, 0, 0);
 109     m_Align = wxHTML_ALIGN_LEFT;
 110     m_tmpLastWasSpace = FALSE;
 111
 112     OpenContainer();
 113
 114     OpenContainer();
 115     m_Container -> InsertCell(new wxHtmlColourCell(m_ActualColor));
 116     m_Container -> InsertCell(new wxHtmlFontCell(CreateCurrentFont()));
 117 }
 118
 119
 120
 121 void wxHtmlWinParser::DoneParser()
 122 {
 123     m_Container = NULL;
 124     wxHtmlParser::DoneParser();
 125 }
 126
 127
 128
 129 wxObject* wxHtmlWinParser::GetProduct()
 130 {
 131     wxHtmlContainerCell *top;
 132
 133     CloseContainer();
 134     OpenContainer();
 135     GetContainer() -> SetIndent(m_CharHeight, wxHTML_INDENT_TOP);
 136     top = m_Container;
 137     while (top -> GetParent()) top = top -> GetParent();
 138     return top;
 139 }
 140
 141
 142
 143 wxList* wxHtmlWinParser::GetTempData()
 144 {
 145     int i, j, k, l, m;
 146     wxFont *f;
 147     wxList *lst = wxHtmlParser::GetTempData();
 148
 149     if (lst == NULL) lst = new wxList;
 150     lst -> DeleteContents(TRUE);
 151
 152     for (i = 0; i < 2; i++)
 153         for (j = 0; j < 2; j++)
 154             for (k = 0; k < 2; k++)
 155                 for (l = 0; l < 2; l++)
 156                     for (m = 0; m < 7; m++) {
 157                         f = m_FontsTable[i][j][k][l][m];
 158                         if (f) lst -> Append(f);
 159                     }
 160     return lst;
 161 }
 162
 163
 164
 165 void wxHtmlWinParser::AddText(const char* txt)
 166 {
 167     wxHtmlCell *c;
 168     int i = 0, x, lng = strlen(txt);
 169     char temp[wxHTML_BUFLEN];
 170     register char d;
 171     int templen = 0;
 172
 173     if (m_tmpLastWasSpace) {
 174         while ((i < lng) && ((txt[i] == '\n') || (txt[i] == '\r') || (txt[i] == ' ') || (txt[i] == '\t'))) i++;
 175     }
 176
 177     while (i < lng) {
 178         x = 0;
 179         d = temp[templen++] = txt[i];
 180         if ((d == '\n') || (d == '\r') || (d == ' ') || (d == '\t')) {
 181             i++, x++;
 182             while ((i < lng) && ((txt[i] == '\n') || (txt[i] == '\r') || (txt[i] == ' ') || (txt[i] == '\t'))) i++, x++;
 183         }
 184         else i++;
 185
 186         if (x) {
 187             temp[templen-1] = ' ';
 188             temp[templen] = 0;
 189             templen = 0;
 190             c = new wxHtmlWordCell(temp, *(GetDC()));
 191             if (m_UseLink) c -> SetLink(m_Link);
 192             m_Container -> InsertCell(c);
 193             m_tmpLastWasSpace = TRUE;
 194         }
 195     }
 196     if (templen) {
 197         temp[templen] = 0;
 198         c = new wxHtmlWordCell(temp, *(GetDC()));
 199         if (m_UseLink) c -> SetLink(m_Link);
 200         m_Container -> InsertCell(c);
 201         m_tmpLastWasSpace = FALSE;
 202     }
 203 }
 204
 205
 206
 207 wxHtmlContainerCell* wxHtmlWinParser::OpenContainer()
 208 {
 209     m_Container = new wxHtmlContainerCell(m_Container);
 210     m_Container -> SetAlignHor(m_Align);
 211     m_tmpLastWasSpace = TRUE;
 212         /* to avoid space being first character in paragraph */
 213     return m_Container;
 214 }
 215
 216
 217
 218 wxHtmlContainerCell* wxHtmlWinParser::SetContainer(wxHtmlContainerCell *c)
 219 {
 220     m_tmpLastWasSpace = TRUE;
 221         /* to avoid space being first character in paragraph */
 222     return m_Container = c;
 223 }
 224
 225
 226
 227 wxHtmlContainerCell* wxHtmlWinParser::CloseContainer()
 228 {
 229     m_Container = m_Container -> GetParent();
 230     return m_Container;
 231 }
 232
 233
 234
 235 wxFont* wxHtmlWinParser::CreateCurrentFont()
 236 {
 237     int fb = GetFontBold(),
 238         fi = GetFontItalic(),
 239         fu = GetFontUnderlined(),
 240         ff = GetFontFixed(),
 241         fs = GetFontSize() + 2 /*remap from <-2;4> to <0;7>*/ ;
 242
 243     if (m_FontsTable[fb][fi][fu][ff][fs] == NULL) {
 244         m_FontsTable[fb][fi][fu][ff][fs] =
 245             //wxTheFontList -> FindOrCreateFont(
 246             new wxFont(
 247             m_FontsSizes[fs],
 248             ff ? wxMODERN : wxSWISS,
 249                 fi ? (ff ? m_ItalicModeFixed : m_ItalicModeNormal) : wxNORMAL,
 250                 fb ? wxBOLD : wxNORMAL,
 251                 fu ? TRUE : FALSE, ff ? m_FontFaceFixed : m_FontFaceNormal);
 252     }
 253     m_DC -> SetFont(*(m_FontsTable[fb][fi][fu][ff][fs]));
 254     return (m_FontsTable[fb][fi][fu][ff][fs]);
 255 }
 256
 257
 258
 259
 260 //-----------------------------------------------------------------------------
 261 // wxHtmlWinTagHandler
 262 //-----------------------------------------------------------------------------
 263
 264 IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinTagHandler, wxHtmlTagHandler)
 265
 266
 267
 268 //-----------------------------------------------------------------------------
 269 // wxHtmlTagsModule
 270 //-----------------------------------------------------------------------------
 271
 272
 273 IMPLEMENT_DYNAMIC_CLASS(wxHtmlTagsModule, wxModule)
 274
 275
 276 bool wxHtmlTagsModule::OnInit()
 277 {
 278     wxHtmlWinParser::AddModule(this);
 279     return TRUE;
 280 }
 281
 282
 283
 284 void wxHtmlTagsModule::OnExit()
 285 {
 286 }
 287 #endif
 288