void Styler_Syntax::DoStyle(StyleRun& sr, unsigned int offset, const auto_vector<stxmatch>& matches) {
const unsigned int rstart = sr.GetRunStart();
const unsigned int rend = sr.GetRunEnd();
const unsigned int styleStart = offset < rstart ? rstart - offset : 0;
const stxmatch m(wxEmptyString, NULL, styleStart, 0, 0, 0, NULL);
if (matches.empty()) return;
auto_vector<stxmatch>::const_iterator p = lower_bound(matches.begin(), matches.end(), &m, stxmatch_start_less());
if (p != matches.begin()) --p;
for (; p != matches.end(); ++p) {
const unsigned int mStart = (*p)->start+offset;
const unsigned int mEnd = (*p)->end+offset;
if (mStart > rend) break;
// Check for overlap
if (mEnd > rstart && mStart < rend) {
const unsigned int start = wxMax(rstart, mStart);
const unsigned int end = wxMin(rend, mEnd);
const style* st = (*p)->st;
if (st) {
if (st->foregroundcolor != wxNullColour) sr.SetForegroundColor(start, end, st->foregroundcolor);
if (st->backgroundcolor != wxNullColour) {
sr.SetBackgroundColor(start, end, st->backgroundcolor);
if (mEnd > rend) sr.SetExtendBgColor(st->backgroundcolor);
}
if (st->fontflags != wxFONTFLAG_DEFAULT) sr.SetFontStyle(start, end, st->fontflags);
}
// Check if there are submatches
if ((*p)->subMatch.get()) {
DoStyle(sr, (*p)->start+offset, (*p)->subMatch->matches);
}
}
}
}
void Styler_Syntax::Style(StyleRun& sr) {
if (!HaveActiveSyntax()) return;
unsigned int sr_end = sr.GetRunEnd();
// Check if we need to do a new search
if (sr_end > m_syntax_end) {
// Make sure the extended position is valid and extends
// from start-of-line to end-of-line
unsigned int sr_start;
cxLOCKDOC_READ(m_doc)
sr_start = doc.GetLineStart(m_syntax_end);
cxENDLOCK
// Extend stylerun to get better search results (round up to whole EXTSIZEs)
const unsigned int ext = ((sr_end / EXTSIZE) + 1) * EXTSIZE;
sr_end = ext < m_lines.GetLength() ? ext : m_lines.GetLength();
sr_end = m_lines.GetLineEndFromPos(sr_end);
DoSearch(sr_start, sr_end, sr_end);
}
// Apply base style
if (m_topStyle) {
const unsigned int start = sr.GetRunStart();
const unsigned int end = sr.GetRunEnd();
if (m_topStyle->foregroundcolor != wxNullColour) sr.SetForegroundColor(start, end, m_topStyle->foregroundcolor);
if (m_topStyle->backgroundcolor != wxNullColour) {
sr.SetBackgroundColor(start, end, m_topStyle->backgroundcolor);
sr.SetExtendBgColor(m_topStyle->backgroundcolor);
}
if (m_topStyle->fontflags != wxFONTFLAG_DEFAULT) sr.SetFontStyle(start, end, m_topStyle->fontflags);
}
// Style the run
DoStyle(sr, 0, m_topMatches.matches);
}
