datatable.directory codebase
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125 lines
3.0 KiB
125 lines
3.0 KiB
<?php
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namespace App\Tables;
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class CStructArrayExporter extends BaseExporter
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{
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/**
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* @return string - mime type for the downloaded file
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*/
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protected function getMimeType()
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{
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return $this->wantDownload ? 'text/x-csrc' : 'text/plain';
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}
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/**
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* @return string - file extension for the downloaded file
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*/
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protected function getFileExtension()
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{
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return 'c';
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}
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protected function cify($name)
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{
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$name = preg_replace('/[^a-z0-9_]/i', '_', $name);
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if (ctype_digit($name[0])) {
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$name = '_' . $name;
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}
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return $name;
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}
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/**
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* Write the document to stdout ('php://output')
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*/
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protected function writeDocument()
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{
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$table = $this->table;
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$any_bool = false;
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$fields = array_map(function (Column $c) use (&$any_bool) {
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$type = $c->type;
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if ($type == 'string') {
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$type = 'const char *';
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}
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$name = $this->cify($c->name);
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if ($c->type == 'bool') $any_bool = true;
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return (object)['name' => $c->name, 'type' => $c->type, 'ctype' => $type, 'cname' => $name];
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}, $this->columns);
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$ctablename = $this->cify($table->name);
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// preamble
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if ($any_bool) {
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echo "#include <stdbool.h>\n\n";
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}
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echo "/*\n" . $this->getHeaderComment(' ') . "*/\n\n";
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echo "struct " . $ctablename . " {\n";
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foreach ($fields as $field) {
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echo " " . $field->ctype . " " . $field->cname . ";\n";
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}
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echo "};\n\n";
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// Now the table itself
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echo "const struct ".$ctablename.' tbl_'.$ctablename."[] = {\n";
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$first = true;
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foreach ($this->iterateRows() as $row) {
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if ($first) {
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$first = false;
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} else {
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echo ",\n";
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}
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echo " { ";
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$this->dumpRow($fields, $row);
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echo " }";
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}
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echo "\n};\n";
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}
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protected function dumpRow($fields, $row, $noQuoteCols=[], $spaces = true)
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{
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$firstf = true;
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foreach ($fields as $field) {
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if ($firstf) {
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$firstf = false;
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} else {
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if ($spaces)
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echo ", ";
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else
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echo ",";
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}
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$val = $row[$field->name];
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// export to C format
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switch ($field->type) {
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case 'string':
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if (in_array($field->name, $noQuoteCols)) {
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echo $val;
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} else {
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echo '"' . addcslashes($val, "\0..\37!@\@\177..\377") . '"';
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}
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break;
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case 'bool':
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echo (int)$val;
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break;
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case 'int':
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case 'float':
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echo $val;
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break;
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}
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}
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}
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}
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