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view.cpp
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view.cpp
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#include "view.h"
View::View() {prompt="";}
View::View(string pmt) {prompt=pmt;}
View::~View() {}
void View::setPrompt(string prompt) {this->prompt = prompt;}
string View::formatList(list_t &list, const string d1, const string sep, const string d2) {
string output = "";
if(list.empty()) return output;
FOR_l(i,list)
output = output + (i==0 || is_dir(list[i-1]) || is_opt(list[i-1]) ? "" : sep) + list.at(i);
return d1 + output + d2;
}
string View::formatList(list_t &list, const string d1, const string sep, const string d2,const unsigned int length) {
string output = "";
if(list.empty()) return output;
if(list.size()==1 && list.front().size()==0) return output;
FOR_l(i,list)
if(output.length() + list.at(i).length() + sep.length()*2 +
d2.length()*2 + string("... ").length() > length) {
output = output + sep + "... ";
break;
}
else
output = output + (i==0 ? "" : sep) + list.at(i);;
return d1 + output + d2;
}
list_t View::chopList(list_t list, const string prefix) {
if(list.empty()) return list;
FOR_l(i,list) {
string item = list[i];
// normal chop
if(!item.compare(0,prefix.length(),prefix))
list.at(i) = item.substr(prefix.length());
else
list.at(i) = "["+item+"]";
}
return list;
}
void View::refreshLine(string &query, list_t &matches, list_t &tokens) {
clearLine();
string output = formatList(tokens,"["," ","]") + " ";
unsigned int len = getWidth()*2/3;
if(output.length() > len)
output = "[ ... " + output.substr(output.length()-len,len-1);
output = prompt + output + query;
*this << output.c_str();
pushCursor();
list_t chopped = chopList(matches, query);
string match_str = formatList(chopped,
"{"," | ","}",
getWidth() - output.length());
*this << match_str.substr(0,getWidth() - output.length()).c_str();
popCursor();
}