private function parse_point()
{
$x = $this->unpacker->read_double();
$y = $this->unpacker->read_double();
if (!$this->with_z && !$this->with_m) {
return Point::from_xy($x, $y, $this->srid);
} elseif ($this->with_z && $this->with_m) {
$z = $this->unpacker->read_double();
$m = $this->unpacker->read_double();
return Point::from_xyzm($x, $y, $z, $m, $this->srid);
} elseif ($this->with_z) {
$z = $this->unpacker->read_double();
return Point::from_xyz($x, $y, $z, $this->srid);
} else {
// with_m
$m = $this->unpacker->read_double();
return Point::from_xym($x, $y, $m, $this->srid);
}
}
private function parse_coords()
{
$x = $this->tokenizer->get_next_token();
$y = $this->tokenizer->get_next_token();
if ($x === null || $y === null) {
throw new EWKTFormatError('Bad POINT format');
}
if ($this->is_3dm) {
$m = $this->tokenizer->get_next_token();
if ($m === null || $m == ',' || $m == ')') {
throw new EWKTFormatError('m component expected but not found');
} else {
$point = Point::from_xym(floatval($x), floatval($y), floatval($m), $this->srid);
$next = $this->tokenizer->get_next_token();
}
} else {
$z = $this->tokenizer->get_next_token();
if ($z === null) {
throw new EWKTFormatError('Incorrect termination of EWKT string');
}
if ($z == ',' || $z == ')') {
// No Z value
$point = Point::from_xy(floatval($x), floatval($y), $this->srid);
$next = $z;
} else {
$m = $this->tokenizer->get_next_token();
if ($m === null) {
throw new EWKTFormatError('Incorrect termination of EWKT string');
}
$this->with_z = true;
if ($m == ',' || $m == ')') {
// 3dz
$point = Point::from_xyz(floatval($x), floatval($y), floatval($z), $this->srid);
$next = $m;
} else {
// 4d
$this->with_m = true;
$point = Point::from_xyzm(floatval($x), floatval($y), floatval($z), floatval($m), $this->srid);
$next = $this->tokenizer->get_next_token();
}
}
}
return array($next, $point);
}
public function test_point_ewkt()
{
$p = Point::from_xy(1.1, 2.2, 444);
$this->assertEquals('SRID=444;POINT(1.1 2.2)', $p->to_ewkt());
$p = Point::from_xyz(1.1, 2.2, 3.3, 444);
$this->assertEquals('SRID=444;POINT(1.1 2.2 3.3)', $p->to_ewkt());
$this->assertEquals('POINT(1.1 2.2 3.3)', $p->to_ewkt(false));
$this->assertEquals('POINT(1.1 2.2)', $p->to_wkt());
$p = Point::from_xym(1.1, 2.2, 3.3, 444);
$this->assertEquals('SRID=444;POINTM(1.1 2.2 3.3)', $p->to_ewkt(true, false));
$p = Point::from_xyzm(1.1, 2.2, 3.3, 4.4, 444);
$this->assertEquals('SRID=444;POINT(1.1 2.2 3.3 4.4)', $p->to_ewkt());
}