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