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/***************************************************************************
libexercises part of Aldo
---------------------
Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Giuseppe "denever" Martino
begin : Sun May 6 2001
improved : Bob Harrington
email : denever@users.sourceforge.net
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, *
* MA 02110-1301 USA *
* *
***************************************************************************/
#include "blocks.hh"
#include "random.hh"
using namespace std;
using namespace libexercises;
// These are group of chars and numbers ordered by skill
#define group_chars1 string("eishtmo")
#define group_chars2 string("awjuv")
#define group_chars3 string("ndbg")
#define group_chars4 string("rplf")
#define group_chars5 string("kcyqzx")
#define group_numbrs string("0123456789")
// give a random string from input
string Blocks::randstring(string input, unsigned int num)
{
unsigned int size = input.size();
librandom::Random RND;
string output;
output.clear();
while(num!=0)
{
unsigned int pos = RND.integer(0, size-1);
output +=input[pos];
num--;
}
return output;
}
string Blocks::gen(string input, unsigned int num) // output a string (of size num) chars taken from input
{
string output;
output.clear();
unsigned int i = 0;
while(num)
{
output += input[i];
num--;
i++;
if(i==input.size()) i=0;
}
return output;
}
unsigned int Blocks::share()
{
// Count number of group_chars used in this skill
unsigned int val = m_skill & 0x3F;
unsigned int counter = 0;
do
{
if(val & 0x01)
counter++;
val = val >> 1;
}
while(val);
unsigned int total = m_num_strings * m_num_chars;
unsigned int bound = total/counter;
if(total % counter)
bound++;
return bound; // bound is number of chars on total that will belong to a group_chars
}
Blocks::Blocks(unsigned int num, unsigned int s, unsigned int numch):
m_num_chars(numch), m_num_strings(num), m_skill(s)
{
if(m_skill & mixed)
m_prepare_mixed();
if(m_skill & submixed)
m_prepare_submixed();
if((m_skill & 0xC0) == 0)
m_prepare_ordered();
}
Blocks::Blocks(const Blocks& cpy)
{
m_strings = cpy.m_strings;
}
void Blocks::m_prepare_mixed()
{
if(m_skill & chars1) // if is used in skill group_chars1
m_strings += group_chars1;
if(m_skill & chars2) // So on..
m_strings += group_chars2;
if(m_skill & chars3)
m_strings += group_chars3;
if(m_skill & chars4)
m_strings += group_chars4;
if(m_skill & chars5)
m_strings += group_chars5;
if(m_skill & numbrs)
m_strings += group_numbrs;
m_strings = randstring(m_strings, m_num_chars * m_num_strings);
}
void Blocks::m_prepare_submixed()
{
unsigned int bound = share();
if(m_skill & chars1) // if is used in skill group_chars1
m_strings += randstring(group_chars1, bound);
if(m_skill & chars2) // So on..
m_strings += randstring(group_chars2, bound);
if(m_skill & chars3)
m_strings += randstring(group_chars3, bound);
if(m_skill & chars4)
m_strings += randstring(group_chars4, bound);
if(m_skill & chars5)
m_strings += randstring(group_chars5, bound);
if(m_skill & numbrs)
m_strings += randstring(group_numbrs, bound);
m_strings = m_strings.substr(0, m_num_chars * m_num_strings);
}
void Blocks::m_prepare_ordered()
{
unsigned int bound = share();
if(m_skill & chars1)
m_strings += gen(group_chars1, bound);
if(m_skill & chars2)
m_strings += gen(group_chars2, bound);
if(m_skill & chars3)
m_strings += gen(group_chars3, bound);
if(m_skill & chars4)
m_strings += gen(group_chars4, bound);
if(m_skill & chars5)
m_strings += gen(group_chars5, bound);
if(m_skill & numbrs)
m_strings += gen(group_numbrs, bound);
m_strings = m_strings.substr(0, m_num_chars * m_num_strings);
}
Blocks::~Blocks()
{
m_strings.clear();
}
libkeyer::Keyer& libexercises::operator<<(libkeyer::Keyer& out, const Blocks& exc)
{
std::list<std::string> lks = exc.tokenize();
typedef std::list< std::string >::const_iterator c_str;
for(c_str lks_it = lks.begin(); lks_it != lks.end(); lks_it++)
out << *lks_it;
return out;
}
std::list<std::string> Blocks::tokenize() const
{
std::list<std::string> tmp_list;
string tmp_str;
unsigned int count = 0;
for(unsigned i=0; i < m_strings.size(); ++i)
{
if(count == m_num_chars)
{
tmp_list.push_back(tmp_str);
tmp_str.clear();
count = 0;
}
tmp_str += m_strings[i];
count++;
}
tmp_list.push_back(tmp_str);
return tmp_list;
}
/*
unsigned int Blocks::execute()
{
current_keyer << blocks_exc;
sleep(beginpause);
check(blocks_exc);
}
*/
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