X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4f9297b0eead20a0bfee71df18e0d8f0cbc402fb..544421165fa7f656d23b69801443b7aa69f71db8:/src/html/htmltag.cpp diff --git a/src/html/htmltag.cpp b/src/html/htmltag.cpp index 7b6e9755b3..02f045ce3c 100644 --- a/src/html/htmltag.cpp +++ b/src/html/htmltag.cpp @@ -30,12 +30,28 @@ #include - - //----------------------------------------------------------------------------- // wxHtmlTagsCache //----------------------------------------------------------------------------- +struct wxHtmlCacheItem +{ + // this is "pos" value passed to wxHtmlTag's constructor. + // it is position of '<' character of the tag + int Key; + + // end positions for the tag: + // end1 is '<' of ending tag, + // end2 is '>' or both are + // -1 if there is no ending tag for this one... + // or -2 if this is ending tag + int End1, End2; + + // name of this tag + wxChar *Name; +}; + + IMPLEMENT_CLASS(wxHtmlTagsCache,wxObject) #define CACHE_INCREMENT 64 @@ -55,9 +71,9 @@ wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source) while (pos < lng) { if (src[pos] == wxT('<')) // tag found: - { + { if (m_CacheSize % CACHE_INCREMENT == 0) - m_Cache = (sCacheItem*) realloc(m_Cache, (m_CacheSize + CACHE_INCREMENT) * sizeof(sCacheItem)); + m_Cache = (wxHtmlCacheItem*) realloc(m_Cache, (m_CacheSize + CACHE_INCREMENT) * sizeof(wxHtmlCacheItem)); tg = m_CacheSize++; m_Cache[tg].Key = stpos = pos++; dummy[0] = 0; i = 0; @@ -65,7 +81,7 @@ wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source) src[pos] != wxT('>') && src[pos] != wxT(' ') && src[pos] != wxT('\r') && src[pos] != wxT('\n') && src[pos] != wxT('\t')) - { + { dummy[i] = src[pos++]; if ((dummy[i] >= wxT('a')) && (dummy[i] <= wxT('z'))) dummy[i] -= (wxT('a') - wxT('A')); i++; @@ -77,19 +93,19 @@ wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source) while (pos < lng && src[pos] != wxT('>')) pos++; if (src[stpos+1] == wxT('/')) // ending tag: - { + { m_Cache[tg].End1 = m_Cache[tg].End2 = -2; // find matching begin tag: for (i = tg; i >= 0; i--) if ((m_Cache[i].End1 == -1) && (wxStrcmp(m_Cache[i].Name, dummy+1) == 0)) - { + { m_Cache[i].End1 = stpos; m_Cache[i].End2 = pos + 1; break; } } else - { + { m_Cache[tg].End1 = m_Cache[tg].End2 = -1; } } @@ -136,31 +152,53 @@ wxHtmlTag::wxHtmlTag(const wxString& source, int pos, int end_pos, wxHtmlTagsCac // fill-in name, params and begin pos: m_Name = m_Params = wxEmptyString; i = pos+1; - if (source[i] == '/') { m_Ending = TRUE; i++; } + if (source[i] == wxT('/')) { m_Ending = TRUE; i++; } else m_Ending = FALSE; + // find tag's name and convert it to uppercase: while ((i < end_pos) && - ((c = source[i++]) != ' ' && c != '\r' && c != '\n' && c != '\t' && - c != '>')) - { - if ((c >= 'a') && (c <= 'z')) c -= ('a' - 'A'); + ((c = source[i++]) != wxT(' ') && c != wxT('\r') && + c != wxT('\n') && c != wxT('\t') && + c != wxT('>'))) + { + if ((c >= wxT('a')) && (c <= wxT('z'))) c -= (wxT('a') - wxT('A')); m_Name += c; } - if (source[i-1] != '>') - while ((i < end_pos) && ((c = source[i++]) != '>')) - { - if ((c >= 'a') && (c <= 'z')) c -= ('a' - 'A'); - if (c == '\r' || c == '\n' || c == '\t') c = ' '; // make future parsing a bit simpler + // if the tag has parameters, read them and "normalize" them, + // i.e. convert to uppercase, replace whitespaces by spaces and + // remove whitespaces around '=': + if (source[i-1] != wxT('>')) + while ((i < end_pos) && ((c = source[i++]) != wxT('>'))) + { + if ((c >= wxT('a')) && (c <= wxT('z'))) + c -= (wxT('a') - wxT('A')); + if (c == wxT('\r') || c == wxT('\n') || c == wxT('\t')) + c = wxT(' '); // make future parsing a bit simpler m_Params += c; - if (c == '"') - { - while ((i < end_pos) && ((c = source[i++]) != '"')) m_Params += c; + if (c == wxT('"')) + { + // remove spaces around the '=' character: + if (m_Params.Length() > 1 && + m_Params[m_Params.Length()-2] == wxT(' ')) + { + m_Params.RemoveLast(); + while (m_Params.Length() > 0 && m_Params.Last() == wxT(' ')) + m_Params.RemoveLast(); + m_Params += wxT('"'); + } + while ((i < end_pos) && (source[i++] == wxT(' '))) {} + if (i < end_pos) i--; + + // ...and copy the value to m_Params: + while ((i < end_pos) && ((c = source[i++]) != wxT('"'))) + m_Params += c; m_Params += c; } - else if (c == '\'') - { - while ((i < end_pos) && ((c = source[i++]) != '\'')) m_Params += c; + else if (c == wxT('\'')) + { + while ((i < end_pos) && ((c = source[i++]) != wxT('\''))) + m_Params += c; m_Params += c; } } @@ -177,25 +215,26 @@ bool wxHtmlTag::HasParam(const wxString& par) const { const wxChar *st = m_Params, *p = par; const wxChar *st2, *p2; + const wxChar invalid = wxT('\1'); if (*st == 0) return FALSE; if (*p == 0) return FALSE; for (st2 = st, p2 = p; ; st2++) { - if (*p2 == 0) return TRUE; + if (*p2 == 0 && *st2 == wxT('=')) return TRUE; if (*st2 == 0) return FALSE; - if (*p2 != *st2) p2 = p; + if (*p2 != *st2) p2 = &invalid; if (*p2 == *st2) p2++; - if (*st2 == ' ') p2 = p; - else if (*st2 == '=') - { + if (*st2 == wxT(' ')) p2 = p; + else if (*st2 == wxT('=')) + { p2 = p; - while (*st2 != ' ') - { - if (*st2 == '"') - { + while (*st2 != wxT(' ')) + { + if (*st2 == wxT('"')) + { st2++; - while (*st2 != '"') st2++; + while (*st2 != wxT('"')) st2++; } st2++; if (*st2 == 0) return FALSE; @@ -210,59 +249,60 @@ wxString wxHtmlTag::GetParam(const wxString& par, bool with_commas) const { const wxChar *st = m_Params, *p = par; const wxChar *st2, *p2; + const wxChar invalid = wxT('\1'); bool comma; - char comma_char; + wxChar comma_char; - if (*st == 0) return ""; - if (*p == 0) return ""; + if (*st == 0) return wxEmptyString; + if (*p == 0) return wxEmptyString; for (st2 = st, p2 = p; ; st2++) { - if (*p2 == 0) // found - { - wxString fnd = ""; + if (*p2 == 0 && *st2 == wxT('=')) // found + { + wxString fnd = wxEmptyString; st2++; // '=' character comma = FALSE; - comma_char = '\0'; - if (!with_commas && (*(st2) == '"')) - { - st2++; - comma = TRUE; - comma_char = '"'; - } - else if (!with_commas && (*(st2) == '\'')) - { - st2++; - comma = TRUE; - comma_char = '\''; - } - + comma_char = wxT('\0'); + if (!with_commas && (*(st2) == wxT('"'))) + { + st2++; + comma = TRUE; + comma_char = wxT('"'); + } + else if (!with_commas && (*(st2) == wxT('\''))) + { + st2++; + comma = TRUE; + comma_char = wxT('\''); + } + while (*st2 != 0) - { + { if (comma && *st2 == comma_char) comma = FALSE; - else if ((*st2 == ' ') && (!comma)) break; + else if ((*st2 == wxT(' ')) && (!comma)) break; fnd += (*(st2++)); } if (!with_commas && (*(st2-1) == comma_char)) fnd.RemoveLast(); return fnd; } - if (*st2 == 0) return ""; - if (*p2 != *st2) p2 = p; + if (*st2 == 0) return wxEmptyString; + if (*p2 != *st2) p2 = &invalid; if (*p2 == *st2) p2++; - if (*st2 == ' ') p2 = p; - else if (*st2 == '=') - { + if (*st2 == wxT(' ')) p2 = p; + else if (*st2 == wxT('=')) + { p2 = p; - while (*st2 != ' ') - { - if (*st2 == '"') - { + while (*st2 != wxT(' ')) + { + if (*st2 == wxT('"')) + { st2++; - while (*st2 != '"') st2++; + while (*st2 != wxT('"')) st2++; } - else if (*st2 == '\'') - { + else if (*st2 == wxT('\'')) + { st2++; - while (*st2 != '\'') st2++; + while (*st2 != wxT('\'')) st2++; } st2++; } @@ -275,7 +315,7 @@ wxString wxHtmlTag::GetParam(const wxString& par, bool with_commas) const int wxHtmlTag::ScanParam(const wxString& par, wxChar *format, void *param) const { wxString parval = GetParam(par); - return wxSscanf((const wxChar*)parval, format, param); + return wxSscanf(parval, format, param); } #endif