get_error_codes.php

#!/usr/bin/env php
<?php
    $codes = array();
    $maxlen = 0;

    while (!feof(STDIN)) {
        $line = fgets(STDIN);

        if (ereg('^\{[[:space:]]+(ER_.*)[[:space:]]+,[[:space:]]*"(.*)",[[:space:]]*"(.*)"', $line, $matches)) {
            $codes[$matches[1]] = $matches[2];
            $maxlen = max($maxlen, strlen($matches[1]));
        }
    }

    if (empty($codes)) {
        fputs(STDERR, "input doesn't look like a MySQL sql_state.h file\n");
        exit(3);
    }

    echo "/* DO NOT EDIT THIS FILE!!! It is auto generated by get_error_codes.php */\n";
    foreach ($codes as $code => $state) {
        echo "#ifdef $code\n";
        printf("  case %-{$maxlen}s: return \"%s\";\n", $code, $state);
        echo "#endif\n";
    }


?>