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#include "../base/SRC_FIRST.hpp"
#include "drawing_rule_def.hpp"
#include "../base/macros.hpp"
#include "../base/assert.hpp"
#include "../base/string_utils.hpp"
#include "../std/cstdio.hpp"
namespace drule
{
string Key::toString() const
{
char buffer[50];
sprintf(buffer, "%d|%d|%d|%d", m_scale, m_type, m_index, m_priority);
return buffer;
}
void Key::fromString(string const & s)
{
int * arrParams[] = { &m_scale, &m_type, &m_index, &m_priority };
size_t const count = s.size();
size_t beg = 0;
size_t i = 0;
do
{
size_t end = s.find_first_of('|', beg);
if (end == string::npos)
end = count;
ASSERT ( i < ARRAY_SIZE(arrParams), (i) );
//*(arrParams[i++]) = atoi(s.substr(beg, end - beg).c_str());
*(arrParams[i++]) = strtol(&s[beg], 0, 10);
beg = end + 1;
} while (beg < count);
}
namespace
{
struct less_key
{
bool operator() (drule::Key const & r1, drule::Key const & r2) const
{
if (r1.m_scale == r2.m_scale)
{
if (r1.m_type == r2.m_type)
{
// assume that unique algo leaves the first element (with max priority), others - go away
return (r1.m_priority > r2.m_priority);
}
else return (r1.m_type < r2.m_type);
}
else return (r1.m_scale < r2.m_scale);
}
};
struct equal_key
{
bool operator() (drule::Key const & r1, drule::Key const & r2) const
{
if (r1.m_scale == r2.m_scale)
{
// many line and area rules - is ok, other rules - one is enough
// By VNG: Why many area styles ??? Did I miss something ???
if (r1.m_type == drule::line /*|| r1.m_type == drule::area*/)
return (r1 == r2);
else
return (r1.m_type == r2.m_type);
}
else return false;
}
};
struct less_scale_type_depth
{
bool operator() (drule::Key const & r1, drule::Key const & r2) const
{
if (r1.m_scale == r2.m_scale)
{
if (r1.m_type == r2.m_type)
{
return (r1.m_priority < r2.m_priority);
}
else return (r1.m_type < r2.m_type);
}
else return (r1.m_scale < r2.m_scale);
}
};
}
void MakeUnique(vector<Key> & keys)
{
sort(keys.begin(), keys.end(), less_key());
keys.erase(unique(keys.begin(), keys.end(), equal_key()), keys.end());
}
void SortByScaleTypeDepth(vector<Key> & keys)
{
sort(keys.begin(), keys.end(), less_scale_type_depth());
}
}
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