You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
103 lines
2.8 KiB
PHP
103 lines
2.8 KiB
PHP
<?php
|
|
/**
|
|
* \file
|
|
* Generate webpages using static site generation.
|
|
*/
|
|
|
|
require_once 'getenv.php';
|
|
require_once 'utils/getopt.php';
|
|
|
|
/**
|
|
* Return file names matching the glob pattern in all subdirectories.
|
|
* @param string $pattern Glob pattern.
|
|
* @param int $flags Glob flags.
|
|
* @author Tony Chen
|
|
* @see https://stackoverflow.com/a/17161106
|
|
* @return string[] Array of file names.
|
|
*/
|
|
function rglob($pattern, $flags = 0): array {
|
|
$files = glob($pattern, $flags);
|
|
foreach (glob(dirname($pattern).'/*', GLOB_ONLYDIR|GLOB_NOSORT) as $dir) {
|
|
$files = array_merge(
|
|
[],
|
|
...[$files, rglob($dir . "/" . basename($pattern), $flags)]
|
|
);
|
|
}
|
|
return $files;
|
|
}
|
|
|
|
/**
|
|
* Produce shell code to set the environment variables given.
|
|
*
|
|
* @param string[] $env_vars Dictionary of environment variables.
|
|
*/
|
|
function serialize_shell_environment(array $env_vars): string {
|
|
$env_assignments = array_map(function(string $key, string $value) {
|
|
return "$key=".escapeshellarg($value);
|
|
}, array_keys($env_vars), array_values($env_vars));
|
|
return implode(' ', $env_assignments);
|
|
}
|
|
|
|
/**
|
|
* Generate files from PHP templates.
|
|
*
|
|
* Templates used are in the {@link $TEMPLATES_ROOT} directory.
|
|
* Generated files are places in the {@link $DOCUMENT_ROOT} directory.
|
|
*/
|
|
function generate_files() {
|
|
global $LOGGING_VERBOSITY, $TEMPLATES_ROOT, $DOCUMENT_ROOT;
|
|
|
|
$flags = LoggingVerbosity::getVerbosityFlags($LOGGING_VERBOSITY)[1];
|
|
|
|
foreach (rglob("$TEMPLATES_ROOT/*.php") as $phppath) {
|
|
// Do not render auxiliary PHP files.
|
|
if (str_contains("$phppath", "/+") || $phppath[0] == "+")
|
|
continue;
|
|
|
|
$filename = basename($phppath);
|
|
$docpath = str_replace($TEMPLATES_ROOT, $DOCUMENT_ROOT, $phppath);
|
|
$relpath = str_replace($TEMPLATES_ROOT, "", $phppath);
|
|
$dirname = dirname($relpath);
|
|
if (preg_match("/[^.]+\\.\w+\\.php$/", $filename) == 1) {
|
|
$docpath = str_replace(".php", "", $docpath);
|
|
} else {
|
|
$docpath = str_replace(".php", ".html", $docpath);
|
|
}
|
|
$reldocpath = str_replace($DOCUMENT_ROOT, "", $docpath);
|
|
|
|
// We do this to isolate the environment and include-once triggers,
|
|
// otherwise we could include the documents in an ob_* wrapper.
|
|
|
|
mkdir("$DOCUMENT_ROOT/$dirname", recursive: true);
|
|
|
|
log_info("Generating output for $relpath.");
|
|
$output = [];
|
|
|
|
$exit_code = 0;
|
|
|
|
$env_vars = [
|
|
'SSG_TARGET' => $reldocpath,
|
|
];
|
|
|
|
$environment = serialize_shell_environment($env_vars);
|
|
|
|
exec("cd '$TEMPLATES_ROOT'; $environment php '$phppath' $flags", $output, $exit_code);
|
|
|
|
if ($exit_code != 0 || empty($output)) {
|
|
log_error("Site generation failed.");
|
|
exit(255);
|
|
}
|
|
|
|
if (str_ends_with($docpath, ".html")) {
|
|
$output = preg_replace("/^\\s+/", "", $output);
|
|
}
|
|
|
|
file_put_contents($docpath, join("\n", $output));
|
|
}
|
|
|
|
log_info("Done generating site.");
|
|
}
|
|
|
|
generate_files();
|
|
?>
|