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#!/usr/bin/env php
<?php
require_once dirname(__FILE__) . '/../lib/Less/Autoloader.php';
Less_Autoloader::register();
// Create our environment
$env = array('compress' => false, 'relativeUrls' => false);
$silent = false;
$watch = false;
$rootpath = '';
// Check for arguments
array_shift($argv);
if (!count($argv)) {
$argv[] = '-h';
}
// parse arguments
foreach ($argv as $key => $arg) {
if (preg_match('/^--?([a-z][0-9a-z-]*)(?:=([^\s]+))?$/i', $arg, $matches)) {
$option = $matches[1];
$value = isset($matches[2]) ? $matches[2] : false;
unset($argv[$key]);
switch ($option) {
case 'h':
case 'help':
echo <<<EOD
Usage: lessc [options] sources [destination]
-h, --help Print help (this message) and exit.
-s, --silent Suppress output of error messages.
-v, --version Print version number and exit.
-x, --compress Compress output by removing some whitespaces.
--include-path=PATHS Set include paths. Separated by `:'. Use `;' on Windows.
--strict-imports Force evaluation of imports.
-sm=on|off Turn on or off strict math, where in strict mode, math
--strict-math=on|off requires brackets. This option may default to on and then
be removed in the future.
-su=on|off Allow mixed units, e.g. 1px+1em or 1px*1px which have units
--strict-units=on|off that cannot be represented.
-ru, --relative-urls re-write relative urls to the base less file.
-rp, --rootpath=URL Set rootpath for url rewriting in relative imports and urls.
Works with or without the relative-urls option.
-w, --watch Watch input files for changes.
EOD;
exit;
case 's':
case 'silent':
$silent = true;
break;
case 'w':
case 'watch':
$watch = true;
break;
case 'v':
case 'version':
echo "lessc " . Less_Version::version . " (less.php)\n\n";
exit;
case 'rp':
case 'rootpath':
$rootpath = $value;
break;
//parser options
case 'compress':
$env['compress'] = true;
break;
case 'ru':
case 'relative-urls':
$env['relativeUrls'] = true;
break;
case 'su':
case 'strict-units':
$env['strictUnits'] = ($value === 'on');
break;
case 'sm':
case 'strict-math':
$env['strictMath'] = ($value === 'on');
break;
case 'x':
case 'include-path':
$env['import_dirs'] = preg_split('#;|\:#', $value);
break;
}
}
}
if (count($argv) > 1) {
$output = array_pop($argv);
$inputs = $argv;
}
else {
$inputs = $argv;
$output = false;
}
if (!count($inputs)) {
echo("lessc: no input files\n");
exit;
}
if ($watch) {
if (!$output) {
echo("lessc: you must specify the output file if --watch is given\n");
exit;
}
$lastAction = 0;
echo("lessc: watching input files\n");
while (1) {
clearstatcache();
$updated = false;
foreach ($inputs as $input) {
if ($input == '-') {
if (count($inputs) == 1) {
echo("lessc: during watching files is not possible to watch stdin\n");
exit;
}
else {
continue;
}
}
if (filemtime($input) > $lastAction) {
$updated = true;
break;
}
}
if ($updated) {
$lastAction = time();
$parser = new Less_Parser($env);
foreach ($inputs as $input) {
try {
$parser->parseFile($input, $rootpath);
}
catch (Exception $e) {
echo("lessc: " . $e->getMessage() . " \n");
continue; // Invalid processing
}
}
file_put_contents($output, $parser->getCss());
echo("lessc: output file recompiled\n");
}
sleep(1);
}
}
else {
$parser = new Less_Parser($env);
foreach ($inputs as $input) {
if ($input == '-') {
$content = file_get_contents('php://stdin');
$parser->parse($content);
}
else {
try {
$parser->parseFile($input);
}
catch (Exception $e) {
if (!$silent) {
echo("lessc: " . ((string)$e) . " \n");
}
}
}
}
if ($output) {
file_put_contents($output, $parser->getCss());
}
else {
echo $parser->getCss();
}
}