LeOS-Genesis/external/badvpn/blog_generator/blog.php

122 lines
2.6 KiB
PHP

<?php
require_once "blog_functions.php";
function assert_failure ($script, $line, $message)
{
if ($message == "") {
fatal_error("Assertion failure at {$script}:{$line}");
} else {
fatal_error("Assertion failure at {$script}:{$line}: {$message}");
}
}
assert_options(ASSERT_CALLBACK, "assert_failure");
function print_help ($name)
{
echo <<<EOD
Usage: {$name}
--input-file <file> Input channels file.
--output-dir <dir> Destination directory for generated files.
EOD;
}
$input_file = "";
$output_dir = "";
for ($i = 1; $i < $argc;) {
$arg = $argv[$i++];
switch ($arg) {
case "--input-file":
$input_file = $argv[$i++];
break;
case "--output-dir":
$output_dir = $argv[$i++];
break;
case "--help":
print_help($argv[0]);
exit(0);
default:
fatal_error("Unknown option: {$arg}");
}
}
if ($input_file == "") {
fatal_error("--input-file missing");
}
if ($output_dir == "") {
fatal_error("--output-dir missing");
}
if (($data = file_get_contents($input_file)) === FALSE) {
fatal_error("Failed to read input file");
}
if (!tokenize($data, $tokens)) {
fatal_error("Failed to tokenize");
}
$i = 0;
$channels_defines = "";
$channels_list = "";
reset($tokens);
while (1) {
if (($ch_name = current($tokens)) === FALSE) {
break;
}
next($tokens);
if (($ch_priority = current($tokens)) === FALSE) {
fatal_error("missing priority");
}
next($tokens);
if ($ch_name[0] != "name") {
fatal_error("name is not a name");
}
if ($ch_priority[0] != "number") {
fatal_error("priority is not a number");
}
$channel_file = <<<EOD
#ifdef BLOG_CURRENT_CHANNEL
#undef BLOG_CURRENT_CHANNEL
#endif
#define BLOG_CURRENT_CHANNEL BLOG_CHANNEL_{$ch_name[1]}
EOD;
$channels_defines .= <<<EOD
#define BLOG_CHANNEL_{$ch_name[1]} {$i}
EOD;
$channels_list .= <<<EOD
{"{$ch_name[1]}", {$ch_priority[1]}},
EOD;
if (file_put_contents("{$output_dir}/blog_channel_{$ch_name[1]}.h", $channel_file) === NULL) {
fatal_error("{$input_file}: Failed to write channel file");
}
$i++;
}
$channels_defines .= <<<EOD
#define BLOG_NUM_CHANNELS {$i}
EOD;
if (file_put_contents("{$output_dir}/blog_channels_defines.h", $channels_defines) === NULL) {
fatal_error("{$input_file}: Failed to write channels defines file");
}
if (file_put_contents("{$output_dir}/blog_channels_list.h", $channels_list) === NULL) {
fatal_error("{$input_file}: Failed to write channels list file");
}