void traverseGraph(const vector<vector<char> > &graph, int i, int j, vector<vector<bool> > &traversed) {
//cout<<"Traversing "<<i<<" "<<j<<endl;
traversed[i][j] = true;
if((getCharAt(graph,i-1,j) == 'O') && (!traversed[i-1][j])) {
traverseGraph(graph, i-1, j, traversed);
}
if((getCharAt(graph,i+1,j) == 'O') && (!traversed[i+1][j])) {
traverseGraph(graph, i+1, j, traversed);
}
if((getCharAt(graph,i,j-1) == 'O') && (!traversed[i][j-1])) {
traverseGraph(graph, i, j-1, traversed);
}
if((getCharAt(graph,i,j+1) == 'O') && (!traversed[i][j+1])) {
traverseGraph(graph, i, j+1, traversed);
}
}
void fixStyles(int32_t start, int32_t limit, int32_t newLen) {
UChar newStyle = NO_STYLE;
if (start != limit && styles.charAt(start) != NO_STYLE) {
newStyle = styles.charAt(start);
} else if (start > 0 && getCharAt(start-1) != NO_STYLE_MARK) {
newStyle = styles.charAt(start-1);
} else if (limit < styles.length()) {
newStyle = styles.charAt(limit);
}
// dumb implementation for now.
UnicodeString s;
for (int i = 0; i < newLen; ++i) {
// this doesn't really handle an embedded NO_STYLE_MARK
// in the middle of a long run of characters right -- but
// that case shouldn't happen anyway
if (getCharAt(start+i) == NO_STYLE_MARK) {
s.append(NO_STYLE);
} else {
s.append(newStyle);
}
}
styles.replaceBetween(start, limit, s);
}
