109 lines
2.3 KiB
C++

#include <algorithm>
#include <string>
#include <vector>
#include "pics.h"
using std::string;
using std::vector;
using std::max;
#ifdef _MSC_VER
//#include "../minmax.h"
#else
//using std::max;
#endif
string::size_type width(const vector<string>& v)
{
string::size_type maxlen = 0;
#ifdef _MSC_VER
for(std::vector<string>::size_type i = 0; i != v.size(); ++i)
#else
for(vector<string>::size_type i = 0; i != v.size(); ++i)
#endif
maxlen = max(maxlen, v[i].size());
return maxlen;
}
vector<string> frame(const vector<string>& v)
{
vector<string> ret;
string::size_type maxlen = width(v);
string border(maxlen + 4, '*');
// write the top border
ret.push_back(border);
// write each interior row, bordered by an asterisk and a space
#ifdef _MSC_VER
for (std::vector<string>::size_type i = 0; i != v.size(); ++i) {
#else
for (vector<string>::size_type i = 0; i != v.size(); ++i) {
#endif
ret.push_back("* " + v[i] +
string(maxlen - v[i].size(), ' ') + " *");
}
// write the bottom border
ret.push_back(border);
return ret;
}
vector<string> vcat(const vector<string>& top,
const vector<string>& bottom)
{
// copy the `top' picture
vector<string> ret = top;
// copy entire `bottom' picture
#ifdef _MSC_VER
for (std::vector<string>::const_iterator it = bottom.begin();
#else
for (vector<string>::const_iterator it = bottom.begin();
#endif
it != bottom.end(); ++it)
ret.push_back(*it);
return ret;
}
vector<string>
hcat(const vector<string>& left, const vector<string>& right)
{
vector<string> ret;
// add 1 to leave a space between pictures
string::size_type width1 = width(left) + 1;
// indices to look at elements from `left' and `right' respectively
#ifdef _MSC_VER
std::vector<string>::size_type i = 0, j = 0;
#else
vector<string>::size_type i = 0, j = 0;
#endif
string s;
// continue until we've seen all rows from both pictures
while (i != left.size() || j != right.size()) {
// construct new `string' to hold characters from both pictures
//string s;
// copy a row from the left-hand side, if there is one
if (i != left.size())
s = left[i++];
// pad to full width
s += string(width1 - s.size(), ' ');
// copy a row from the right-hand side, if there is one
if (j != right.size())
s += right[j++];
// add `s' to the picture we're creating
ret.push_back(s);
}
return ret;
}