Преобразуване на файлове от дигитален нивелир DINI21 към XML или TXT файл
Базов код на PHP:
<?php
$submit_button = "Преобразуване";
$upload_dir = "./upload";
$output_file = "";
if (
isset($_POST["submit"], $_POST["format"]) &&
$_POST["submit"] === $submit_button
) {
if (is_uploaded_file($_FILES["file"]["tmp_name"])) {
$old_filename = htmlentities(
$_FILES["file"]["name"],
ENT_QUOTES,
"UTF-8"
);
$new_filename = sprintf(
"%s_%s.txt",
md5($_FILES["file"]["name"]),
time()
);
if (
move_uploaded_file(
$_FILES["file"]["tmp_name"],
$upload_dir . DIRECTORY_SEPARATOR . $new_filename
)
) {
$input_file = file_get_contents(
$upload_dir . DIRECTORY_SEPARATOR . $new_filename
);
unlink($upload_dir . DIRECTORY_SEPARATOR . $new_filename);
$file_formats = [
"TXT" => "txt",
"XML" => "xml",
];
$file_format = isset($file_formats[$_POST["format"]])
? $file_formats[$_POST["format"]]
: $file_formats["TXT"];
if (
preg_match_all(
"/(\d+\s+Start-Line\s+BF\s+\d+)(.*?)(\d+\s+End-Line\s+\d+)/ism",
$input_file,
$matches
)
) {
if ($file_format == "xml") {
$output_file = "";
$output_file .= "";
$output_file .= "1";
$output_file .= "";
$output_file .= "";
}
foreach ($matches[0] as $line) {
$line = explode("\n", $line);
$back_benchmark = null;
$forward_benchmark = null;
$elevation = null;
$length = null;
for ($i = 1; $i < count($line) - 3; $i++) {
if ($i % 3 == 0) {
$rb = explode(
" ",
preg_replace(
"/\s\s+/",
" ",
trim($line[$i - 1])
)
);
$rf = explode(
" ",
preg_replace("/\s\s+/", " ", trim($line[$i]))
);
if ($rb[1] != "X" && $rf[1] == "X") {
$back_benchmark = $rb[1];
$elevation += $rb[5] - $rf[5];
$length += $rb[7] + $rf[7];
continue;
} elseif ($rb[1] == "X" && $rf[1] == "X") {
$elevation += $rb[5] - $rf[5];
$length += $rb[7] + $rf[7];
continue;
} elseif ($rb[1] == "X" && $rf[1] != "X") {
$forward_benchmark = $rf[1];
$elevation += $rb[5] - $rf[5];
$length += $rb[7] + $rf[7];
} else {
$back_benchmark = $rb[1];
$forward_benchmark = $rf[1];
$elevation = $rb[5] - $rf[5];
$length = $rb[7] + $rf[7];
}
if ($file_format == "xml") {
$output_file .= "";
$output_file .= "" . $back_benchmark . "";
$output_file .= "" . $forward_benchmark . "";
$output_file .= "" . $elevation . "";
$output_file .= "" . $length . "";
$output_file .= "0";
$output_file .= "";
$output_file .= "\n";
} else {
$output_file .= sprintf(
"%s %s %1.4f %1.2f 0\n",
$back_benchmark,
$forward_benchmark,
$elevation,
$length
);
}
$elevation = 0;
$length = 0;
}
}
}
if ($file_format == "xml") {
$output_file .= "";
$output_file .= "";
}
}
} else {
echo "Възникнала е грешка при качването на Файла " .
$old_filename .
"";
}
} else {
echo "Няма избран файл за качване!";
}
}