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Added template map generator
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@Hounddog
Hounddog committed Nov 29, 2012
1 parent 293a37a commit b74b1c0
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239 changes: 239 additions & 0 deletions bin/templatemap_generator.php
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#!/usr/bin/env php
<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/

use Zend\Console;
use Zend\File\ClassFileLocator;
use Zend\Loader\StandardAutoloader;

/**
* Generate template maps.
*
* Usage:
* --help|-h Get usage message
* --library|-l [ <string> ] Library to parse; if none provided, assumes
* current directory
* --output|-o [ <string> ] Where to write autoload file; if not provided,
* assumes "autoload_classmap.php" in library directory
* --append|-a Append to autoload file if it exists
* --overwrite|-w Whether or not to overwrite existing autoload
* file
*/

$zfLibraryPath = getenv('LIB_PATH') ? getenv('LIB_PATH') : __DIR__ . '/../library';
if (is_dir($zfLibraryPath)) {
// Try to load StandardAutoloader from library
if (false === include($zfLibraryPath . '/Zend/Loader/StandardAutoloader.php')) {
echo 'Unable to locate autoloader via library; aborting' . PHP_EOL;
exit(2);
}
} else {
// Try to load StandardAutoloader from include_path
if (false === include('Zend/Loader/StandardAutoloader.php')) {
echo 'Unable to locate autoloader via include_path; aborting' . PHP_EOL;
exit(2);
}
}

$libraryPath = getcwd();
$viewPath = getcwd() . '/view';

// Setup autoloading
$loader = new StandardAutoloader(array('autoregister_zf' => true));
$loader->register();

$rules = array(
'help|h' => 'Get usage message',
'library|l-s' => 'Library to parse; if none provided, assumes current directory',
'view|v-s' => 'View path to parse; if none provided, assumes view as template directory',
'output|o-s' => 'Where to write autoload file; if not provided, assumes "autoload_classmap.php" in library directory',
'append|a' => 'Append to autoload file if it exists',
'overwrite|w' => 'Whether or not to overwrite existing autoload file',
);

try {
$opts = new Console\Getopt($rules);
$opts->parse();
} catch (Console\Exception\RuntimeException $e) {
echo $e->getUsageMessage();
exit(2);
}

if ($opts->getOption('h')) {
echo $opts->getUsageMessage();
exit(0);
}

$relativePathForClassmap = '';
if (isset($opts->l)) {
if (!is_dir($opts->l)) {
echo 'Invalid library directory provided' . PHP_EOL
. PHP_EOL;
echo $opts->getUsageMessage();
exit(2);
}
$libraryPath = $opts->l;
}
$libraryPath = str_replace(DIRECTORY_SEPARATOR, '/', realpath($libraryPath));

if (isset($opts->v)) {
if (!is_dir($opts->v)) {
echo 'Invalid view template directory provided' . PHP_EOL
. PHP_EOL;
echo $opts->getUsageMessage();
exit(2);
}
$viewPath = $opts->v;
}
$viewPath = str_replace(DIRECTORY_SEPARATOR, '/', realpath($viewPath));

$usingStdout = false;
$appending = $opts->getOption('a');
$output = $libraryPath . '/template_map.php';
if (isset($opts->o)) {
$output = $opts->o;
if ('-' == $output) {
$output = STDOUT;
$usingStdout = true;
} elseif (is_dir($output)) {
echo 'Invalid output file provided' . PHP_EOL
. PHP_EOL;
echo $opts->getUsageMessage();
exit(2);
} elseif (!is_writeable(dirname($output))) {
echo "Cannot write to '$output'; aborting." . PHP_EOL
. PHP_EOL
. $opts->getUsageMessage();
exit(2);
} elseif (file_exists($output) && !$opts->getOption('w') && !$appending) {
echo "Autoload file already exists at '$output'," . PHP_EOL
. "but 'overwrite' or 'appending' flag was not specified; aborting." . PHP_EOL
. PHP_EOL
. $opts->getUsageMessage();
exit(2);
} else {
// We need to add the $libraryPath into the relative path that is created in the classmap file.
$classmapPath = str_replace(DIRECTORY_SEPARATOR, '/', realpath(dirname($output)));

// Simple case: $libraryPathCompare is in $classmapPathCompare
if (strpos($libraryPath, $classmapPath) === 0) {
$relativePathForClassmap = substr($libraryPath, strlen($classmapPath) + 1) . '/';
} else {
$libraryPathParts = explode('/', $libraryPath);
$classmapPathParts = explode('/', $classmapPath);

// Find the common part
$count = count($classmapPathParts);
for ($i = 0; $i < $count; $i++) {
if (!isset($libraryPathParts[$i]) || $libraryPathParts[$i] != $classmapPathParts[$i]) {
// Common part end
break;
}
}

// Add parent dirs for the subdirs of classmap
$relativePathForClassmap = str_repeat('../', $count - $i);

// Add library subdirs
$count = count($libraryPathParts);
for (; $i < $count; $i++) {
$relativePathForClassmap .= $libraryPathParts[$i] . '/';
}
}
}
}

if (!$usingStdout) {
if ($appending) {
echo "Appending to template file map '$output' for library in '$libraryPath'..." . PHP_EOL;
} else {
echo "Creating template file map for library in '$libraryPath'..." . PHP_EOL;
}
}

// Get the ClassFileLocator, and pass it the library path
//$l = new ClassFileLocator($libraryPath);
$dirOrIterator = new RecursiveDirectoryIterator($viewPath, RecursiveDirectoryIterator::FOLLOW_SYMLINKS);
$l = new RecursiveIteratorIterator($dirOrIterator);

// Iterate over each element in the path, and create a map of
// classname => filename, where the filename is relative to the library path
$map = new stdClass;
foreach ($l as $file) {
if(!$file->isFile()) {
continue;
}
$filename = str_replace($libraryPath . '/', '', str_replace(DIRECTORY_SEPARATOR, '/', $file->getPath()) . '/' . $file->getFilename());

// Add in relative path to library
$filename = $relativePathForClassmap . $filename;

$baseName = $file->getBasename('.' .$file->getExtension());

$mapName = str_replace($libraryPath . '/', '', str_replace(DIRECTORY_SEPARATOR, '/', $file->getPath()) . '/' . $baseName);

$map->{$mapName} = $filename;
}


if ($appending) {
$content = var_export((array) $map, true) . ';';

// Prefix with __DIR__; modify the generated content
$content = preg_replace("#(=> ')#", "=> __DIR__ . '/", $content);

// Fix \' strings from injected DIRECTORY_SEPARATOR usage in iterator_apply op
$content = str_replace("\\'", "'", $content);

// Convert to an array and remove the first "array("
$content = explode(PHP_EOL, $content);
array_shift($content);

// Load existing class map file and remove the closing "bracket ");" from it
$existing = file($output, FILE_IGNORE_NEW_LINES);
array_pop($existing);

// Merge
$content = implode(PHP_EOL, array_merge($existing, $content));
} else {
// Create a file with the class/file map.
// Stupid syntax highlighters make separating < from PHP declaration necessary
$content = '<' . "?php\n"
. "// Generated by ZF2's ./bin/templatemap_generator.php\n"
. 'return ' . var_export((array) $map, true) . ';';

// Prefix with __DIR__; modify the generated content
$content = preg_replace("#(=> ')#", "=> __DIR__ . '/", $content);

// Fix \' strings from injected DIRECTORY_SEPARATOR usage in iterator_apply op
$content = str_replace("\\'", "'", $content);
}

// Remove unnecessary double-backslashes
$content = str_replace('\\\\', '\\', $content);

// Exchange "array (" width "array("
$content = str_replace('array (', 'array(', $content);

// Align "=>" operators to match coding standard
preg_match_all('(\n\s+([^=]+)=>)', $content, $matches, PREG_SET_ORDER);
$maxWidth = 0;

foreach ($matches as $match) {
$maxWidth = max($maxWidth, strlen($match[1]));
}

$content = preg_replace('(\n\s+([^=]+)=>)e', "'\n \\1' . str_repeat(' ', " . $maxWidth . " - strlen('\\1')) . '=>'", $content);

// Write the contents to disk
file_put_contents($output, $content);

if (!$usingStdout) {
echo "Wrote templatemap file to '" . realpath($output) . "'" . PHP_EOL;
}

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