DocumentRow.cpp

/**
 * DocumentRow.cpp
 * 
 * Author: Jamey Calabrese
*/

#include "DocumentRow.h"

using namespace std;

DocumentRow :: DocumentRow(int maxWidth)
: maxWidth(maxWidth)
{
}

DocumentRow :: ~DocumentRow()
{
  ClearRow();
}

void DocumentRow :: ClearRow()
{
  row.clear();
}

int DocumentRow :: GetLength()
{
  int length = row.size() != 0 ? row.size()-1 : 0;
  for (shared_ptr<string> word : row) {
    length += word->length();
  }
  return length;
}

int DocumentRow :: GetFirstWordLength()
{
  int length = 0;
  if (row.size()) {
    length = row[0]->length();
  }
  return length;
}

int DocumentRow :: GetLastWordLength()
{
  int length = 0;
  if (row.size()) {
    auto itr = row.rbegin();
    length = (*itr)->length();
  }
  return length;
}

bool DocumentRow :: AppendWord(shared_ptr<string> word)
{
  bool wordFits;
  int length = GetLength();
  if (!length) {
    wordFits = word->length() <= maxWidth;
  } else {
    wordFits = (length + 1 + word->length()) <= maxWidth;
  }
  if (wordFits) { row.push_back(word); }
  return wordFits;
}

string DocumentRow :: GetString()
{
  string line;
  for (int i = 0; i<row.size(); ++i) {
    for (char c : *(row[i])) {
      line.push_back(c);
    }
    line.push_back(' ');
  }
  if (row.size()) { line.pop_back(); }
  return line;
}