X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/37ed592f7106e4ba483baa6fba91a9c481048bbc..062dfc9a96dc9e796c53544f41ff92dc47f26e82:/src/html/winpars.cpp?ds=sidebyside diff --git a/src/html/winpars.cpp b/src/html/winpars.cpp index 3a1aff2aab..916c43a989 100644 --- a/src/html/winpars.cpp +++ b/src/html/winpars.cpp @@ -52,7 +52,9 @@ wxHtmlWinParser::wxHtmlWinParser(wxHtmlWindowInterface *wndIface) m_InputEnc = wxFONTENCODING_ISO8859_1; m_OutputEnc = wxFONTENCODING_DEFAULT; #endif + m_whitespaceMode = Whitespace_Normal; m_lastWordCell = NULL; + m_posColumn = 0; { int i, j, k, l, m; @@ -200,7 +202,7 @@ void wxHtmlWinParser::InitParser(const wxString& source) m_FontBold = m_FontItalic = m_FontUnderlined = m_FontFixed = FALSE; m_FontSize = 3; //default one CreateCurrentFont(); // we're selecting default font into - + // we're not using GetCharWidth/Height() because of // differences under X and win wxCoord w,h; @@ -343,105 +345,180 @@ wxFSFile *wxHtmlWinParser::OpenURL(wxHtmlURLType type, return GetFS()->OpenFile(myurl, flags); } +#define NBSP_UNICODE_VALUE (wxChar(160)) +#if !wxUSE_UNICODE + #define CUR_NBSP_VALUE m_nbsp +#else + #define CUR_NBSP_VALUE NBSP_UNICODE_VALUE +#endif + void wxHtmlWinParser::AddText(const wxString& txt) { - register wxChar d; - int templen = 0; +#if !wxUSE_UNICODE + if ( m_nbsp == 0 ) + m_nbsp = GetEntitiesParser()->GetCharForCode(NBSP_UNICODE_VALUE); +#endif - size_t lng = txt.length(); - if (lng+1 > m_tmpStrBufSize) + if ( m_whitespaceMode == Whitespace_Normal ) { - delete[] m_tmpStrBuf; - m_tmpStrBuf = new wxChar[lng+1]; - m_tmpStrBufSize = lng+1; - } - wxChar *temp = m_tmpStrBuf; - - wxString::const_iterator i = txt.begin(); - wxString::const_iterator end = txt.end(); + int templen = 0; - if (m_tmpLastWasSpace) - { - while ( (i < end) && - (*i == wxT('\n') || *i == wxT('\r') || *i == wxT(' ') || - *i == wxT('\t')) ) + size_t lng = txt.length(); + if (lng+1 > m_tmpStrBufSize) { - ++i; + delete[] m_tmpStrBuf; + m_tmpStrBuf = new wxChar[lng+1]; + m_tmpStrBufSize = lng+1; } - } + wxChar *temp = m_tmpStrBuf; - while (i < end) - { - size_t x = 0; - d = temp[templen++] = *i; - if ((d == wxT('\n')) || (d == wxT('\r')) || (d == wxT(' ')) || (d == wxT('\t'))) + wxString::const_iterator i = txt.begin(); + const wxString::const_iterator end = txt.end(); + + if (m_tmpLastWasSpace) { - ++i, ++x; while ( (i < end) && - (*i == wxT('\n') || *i == wxT('\r') || - *i == wxT(' ') || *i == wxT('\t')) ) + (*i == wxT('\n') || *i == wxT('\r') || *i == wxT(' ') || + *i == wxT('\t')) ) { ++i; - ++x; } } - else - ++i; - if (x) + while (i < end) + { + size_t x = 0; + const wxChar d = temp[templen++] = *i; + if ((d == wxT('\n')) || (d == wxT('\r')) || (d == wxT(' ')) || (d == wxT('\t'))) + { + ++i, ++x; + while ( (i < end) && + (*i == wxT('\n') || *i == wxT('\r') || + *i == wxT(' ') || *i == wxT('\t')) ) + { + ++i; + ++x; + } + } + else + { + ++i; + } + + if (x) + { + temp[templen-1] = wxT(' '); + FlushWordBuf(temp, templen); + m_tmpLastWasSpace = true; + } + } + + if (templen && (templen > 1 || temp[0] != wxT(' '))) { - temp[templen-1] = wxT(' '); - DoAddText(temp, templen); - m_tmpLastWasSpace = true; + FlushWordBuf(temp, templen); + m_tmpLastWasSpace = false; } } - - if (templen && (templen > 1 || temp[0] != wxT(' '))) + else // m_whitespaceMode == Whitespace_Pre { - DoAddText(temp, templen); + if ( txt.find(CUR_NBSP_VALUE) != wxString::npos ) + { + // we need to substitute spaces for   here just like we + // did in the Whitespace_Normal branch above + wxString txt2(txt); + txt2.Replace(CUR_NBSP_VALUE, ' '); + AddPreBlock(txt2); + } + else + { + AddPreBlock(txt); + } + + // don't eat any whitespace in
 block
         m_tmpLastWasSpace = false;
     }
 }
 
-void wxHtmlWinParser::DoAddText(wxChar *temp, int& templen)
+void wxHtmlWinParser::FlushWordBuf(wxChar *buf, int& len)
 {
-    #define NBSP_UNICODE_VALUE 160
-#if !wxUSE_UNICODE
-    if ( m_nbsp == 0 )
-        m_nbsp = GetEntitiesParser()->GetCharForCode(NBSP_UNICODE_VALUE);
-    #define CUR_NBSP_VALUE m_nbsp
-#else
-    #define CUR_NBSP_VALUE NBSP_UNICODE_VALUE
-#endif
+    buf[len] = 0;
+
+    for ( int i = 0; i < len; i++ )
+    {
+        if ( buf[i] == CUR_NBSP_VALUE )
+            buf[i] = ' ';
+    }
 
-    temp[templen] = 0;
-    templen = 0;
 #if !wxUSE_UNICODE
     if (m_EncConv)
-        m_EncConv->Convert(temp);
+        m_EncConv->Convert(buf);
 #endif
-    size_t len = wxStrlen(temp);
-    for (size_t j = 0; j < len; j++)
-    {
-        if (temp[j] == CUR_NBSP_VALUE)
-            temp[j] = wxT(' ');
-    }
 
-    wxHtmlWordCell *c = new wxHtmlWordCell(temp, *(GetDC()));
+    AddWord(wxString(buf, len));
 
-    ApplyStateToCell(c);
+    len = 0;
+}
 
-    m_Container->InsertCell(c);
-    c->SetPreviousWord(m_lastWordCell);
-    m_lastWordCell = c;
+void wxHtmlWinParser::AddWord(wxHtmlWordCell *word)
+{
+    ApplyStateToCell(word);
+
+    m_Container->InsertCell(word);
+    word->SetPreviousWord(m_lastWordCell);
+    m_lastWordCell = word;
 }
 
+void wxHtmlWinParser::AddPreBlock(const wxString& text)
+{
+    if ( text.find('\t') != wxString::npos )
+    {
+        wxString text2;
+        text2.reserve(text.length());
+
+        const wxString::const_iterator end = text.end();
+        wxString::const_iterator copyFrom = text.begin();
+        size_t pos = 0;
+        int posColumn = m_posColumn;
+        for ( wxString::const_iterator i = copyFrom; i != end; ++i, ++pos )
+        {
+            if ( *i == '\t' )
+            {
+                if ( copyFrom != i )
+                    text2.append(copyFrom, i);
+
+                const unsigned SPACES_PER_TAB = 8;
+                const size_t expandTo = SPACES_PER_TAB - posColumn % SPACES_PER_TAB;
+                text2.append(expandTo, ' ');
+
+                posColumn += expandTo;
+                copyFrom = i + 1;
+            }
+            else
+            {
+                ++posColumn;
+            }
+        }
+        if ( copyFrom != text.end() )
+            text2.append(copyFrom, text.end());
+
+        AddWord(new wxHtmlWordWithTabsCell(text2, text, m_posColumn, *(GetDC())));
+
+        m_posColumn = posColumn;
+    }
+    else
+    {
+        // no special formatting needed
+        AddWord(text);
+        m_posColumn += text.length();
+    }
+}
 
 
 wxHtmlContainerCell* wxHtmlWinParser::OpenContainer()
 {
     m_Container = new wxHtmlContainerCell(m_Container);
     m_Container->SetAlignHor(m_Align);
+    m_posColumn = 0;
     m_tmpLastWasSpace = true;
         /* to avoid space being first character in paragraph */
     return m_Container;
@@ -475,6 +552,38 @@ void wxHtmlWinParser::SetFontSize(int s)
 }
 
 
+void wxHtmlWinParser::SetDC(wxDC *dc, double pixel_scale, double font_scale)
+{
+    m_DC = dc;
+    m_PixelScale = pixel_scale;
+    m_FontScale = font_scale;
+}
+
+void wxHtmlWinParser::SetFontPointSize(int pt)
+{
+    if (pt <= m_FontsSizes[0])
+        m_FontSize = 1;
+    else if (pt >= m_FontsSizes[6])
+        m_FontSize = 7;
+    else
+    {
+        // Find the font closest to the given value with a simple linear search
+        // (binary search is not worth it here for so small number of elements)
+        for ( int n = 0; n < 6; n++ )
+        {
+            if ( (pt > m_FontsSizes[n]) && (pt <= m_FontsSizes[n + 1]) )
+            {
+                // In this range, find out which entry it is closest to
+                if ( (pt - m_FontsSizes[n]) < (m_FontsSizes[n + 1] - pt) )
+                    m_FontSize = n;
+                else
+                    m_FontSize = n + 1;
+
+                break;
+            }
+        }
+    }
+}
 
 wxFont* wxHtmlWinParser::CreateCurrentFont()
 {
@@ -497,15 +606,14 @@ wxFont* wxHtmlWinParser::CreateCurrentFont()
 #endif
                             ))
     {
-        delete *fontptr;
-        *fontptr = NULL;
+        wxDELETE(*fontptr);
     }
 
     if (*fontptr == NULL)
     {
         *faceptr = face;
         *fontptr = new wxFont(
-                       (int) (m_FontsSizes[fs] * m_PixelScale),
+                       (int) (m_FontsSizes[fs] * m_FontScale),
                        ff ? wxMODERN : wxSWISS,
                        fi ? wxITALIC : wxNORMAL,
                        fb ? wxBOLD : wxNORMAL,
@@ -560,11 +668,7 @@ void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
     m_nbsp = 0;
 
     m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
-    if (m_EncConv)
-    {
-        delete m_EncConv;
-        m_EncConv = NULL;
-    }
+    wxDELETE(m_EncConv);
 
     if (enc == wxFONTENCODING_DEFAULT)
         return;
@@ -629,8 +733,7 @@ void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
         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;
+        wxDELETE(m_EncConv);
     }
 }
 #endif