daux.io/libs/DauxHelper.php
Stéphane Goetz fb5fb41e96 Merge branch 'development'
* development:
  Add a refrence to themes_path
  realpath returns the canonicalized absolute pathname
  Dont set theme-variant if there is none
  Add Vulkan Tutorial to list of sites using the framework
  Fix autoloading and prioritize getting it as a dependency
  Change the way the commands are declare, separate "generate" and "serve"
  Support BOM at the beginning of content, fixes #372
  Applied fixes from StyleCI
  Add the daux --serve command to simplify writing documentation and reading.
  Fix the way front matter is handled, fixes #345
  Create a "daux" binary
  Add badges and code coverage
  Mark as non compatible with PHP 5.4
  Applied fixes from StyleCI
  Added .travis.yml file
  Build latest phar
  Add the ability to do relative links in documentations
  Compile latest version
  Minify files
  Remove Bootstrap and simplify styles

# Conflicts:
#	libs/DauxHelper.php
#	libs/bootstrap.php
2016-07-29 22:00:43 +02:00

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<?php namespace Todaymade\Daux;
use Todaymade\Daux\Tree\Builder;
use Todaymade\Daux\Tree\Directory;
class DauxHelper
{
/**
* Set a new base_url for the configuration
*
* @param Config $config
* @param string $base_url
*/
public static function rebaseConfiguration(Config $config, $base_url)
{
// Avoid changing the url if it is already correct
if ($config['base_url'] == $base_url && !empty($config['theme'])) {
return;
}
// Change base url for all links on the pages
$config['base_url'] = $config['base_page'] = $base_url;
$config['theme'] = static::getTheme($config, $base_url);
$config['image'] = str_replace('<base_url>', $base_url, $config['image']);
}
public static function resolveVariant(Config $params)
{
if (array_key_exists('theme-variant', $params['html'])) {
return;
}
if (is_dir(realpath(($params['themes_path'] . DIRECTORY_SEPARATOR . $params['html']['theme'])))) {
return;
}
$theme = explode('-', $params['html']['theme']);
// do we have a variant or only a theme ?
if (isset($theme[1])) {
$params['html']['theme-variant'] = array_pop($theme);
$params['html']['theme'] = implode('-', $theme);
} else {
$params['html']['theme'] = array_pop($theme);
}
if (!is_dir(realpath(($params['themes_path'] . DIRECTORY_SEPARATOR . $params['html']['theme'])))) {
throw new \RuntimeException("Theme '{$params['html']['theme']}' not found");
}
}
/**
* @param Config $params
* @param string $current_url
* @return array
*/
public static function getTheme(Config $params, $current_url)
{
self::resolveVariant($params);
$theme_folder = $params['themes_path'] . DIRECTORY_SEPARATOR . $params['html']['theme'];
$theme_url = $params['base_url'] . $params->getThemesDirectory() . '/' . $params['html']['theme'] . '/';
$theme = [];
if (is_file($theme_folder . DIRECTORY_SEPARATOR . 'config.json')) {
$theme = json_decode(file_get_contents($theme_folder . DIRECTORY_SEPARATOR . 'config.json'), true);
if (!$theme) {
$theme = [];
}
}
//Default parameters for theme
$theme += [
'name' => $params['html']['theme'],
'css' => [],
'js' => [],
'fonts' => [],
'favicon' => '<base_url>themes/daux/img/favicon.png',
'templates' => $theme_folder . DIRECTORY_SEPARATOR . 'templates',
'variants' => [],
];
if (array_key_exists('theme-variant', $params['html'])) {
$variant = $params['html']['theme-variant'];
if (!array_key_exists($variant, $theme['variants'])) {
throw new Exception("Variant '$variant' not found for theme '$theme[name]'");
}
// These will be replaced
foreach (['templates', 'favicon'] as $element) {
if (array_key_exists($element, $theme['variants'][$variant])) {
$theme[$element] = $theme['variants'][$variant][$element];
}
}
// These will be merged
foreach (['css', 'js', 'fonts'] as $element) {
if (array_key_exists($element, $theme['variants'][$variant])) {
$theme[$element] = array_merge($theme[$element], $theme['variants'][$variant][$element]);
}
}
}
$substitutions = [
'<local_base>' => $params['local_base'],
'<base_url>' => $current_url,
'<theme_url>' => $theme_url,
];
// Substitute some placeholders
$theme['templates'] = strtr($theme['templates'], $substitutions);
$theme['favicon'] = utf8_encode(strtr($theme['favicon'], $substitutions));
foreach (['css', 'js', 'fonts'] as $element) {
foreach ($theme[$element] as $key => $value) {
$theme[$element][$key] = utf8_encode(strtr($value, $substitutions));
}
}
return $theme;
}
/**
* @param string $path
* @return string
*/
public static function getCleanPath($path)
{
$path = str_replace(['/', '\\'], DIRECTORY_SEPARATOR, $path);
$parts = array_filter(explode(DIRECTORY_SEPARATOR, $path), 'strlen');
$absolutes = [];
foreach ($parts as $part) {
if ('.' == $part) {
continue;
}
if ('..' == $part) {
array_pop($absolutes);
} else {
$absolutes[] = $part;
}
}
return implode(DIRECTORY_SEPARATOR, $absolutes);
}
public static function getFilenames(Config $config, $part)
{
$extensions = implode('|', array_map('preg_quote', $config['valid_content_extensions'])) . '|html';
$raw = preg_replace('/(.*)?\\.(' . $extensions . ')$/', '$1', $part);
$raw = Builder::removeSortingInformations($raw);
return ["$raw.html", $raw];
}
/**
* Locate a file in the tree. Returns the file if found or false
*
* @param Directory $tree
* @param string $request
* @return Tree\Content|Tree\Raw|false
*/
public static function getFile($tree, $request)
{
$request = explode('/', $request);
foreach ($request as $node) {
// If the element we're in currently is not a
// directory, we failed to find the requested file
if (!$tree instanceof Directory) {
return false;
}
// Some relative paths may start with ./
if ($node == '.') {
continue;
}
if ($node == '..') {
$tree = $tree->getParent();
continue;
}
$node = urldecode($node);
// if the node exists in the current request tree,
// change the $tree variable to reference the new
// node and proceed to the next url part
if (isset($tree->getEntries()[$node])) {
$tree = $tree->getEntries()[$node];
continue;
}
// if the node doesn't exist, we can try
// two variants of the requested file:
// with and w/o the .html extension
foreach (static::getFilenames($tree->getConfig(), $node) as $filename) {
if (isset($tree->getEntries()[$filename])) {
$tree = $tree->getEntries()[$filename];
continue 2;
}
}
// At this stage, we're in a directory, but no
// sub-item matches, so the current node must
// be an index page or we failed
if ($node !== 'index' && $node !== 'index.html') {
return false;
}
return $tree->getIndexPage();
}
// If the entry we found is not a directory, we're done
if (!$tree instanceof Directory) {
return $tree;
}
if ($index = $tree->getIndexPage()) {
return $index;
}
return false;
}
/**
* Generate a URL friendly "slug" from a given string.
*
* Taken from Stringy
*
* @param string $title
* @return string
*/
public static function slug($title)
{
foreach (static::charsArray() as $key => $value) {
$title = str_replace($value, $key, $title);
}
$title = preg_replace('/[^\x20-\x7E]/u', '', $title);
$separator = '_';
// Convert all dashes into underscores
$title = preg_replace('![' . preg_quote('-') . ']+!u', $separator, $title);
// Remove all characters that are not the separator, letters, numbers, or whitespace.
$title = preg_replace('![^' . preg_quote($separator) . '\pL\pN\s]+!u', '', $title);
// Replace all separator characters and whitespace by a single separator
$title = preg_replace('![' . preg_quote($separator) . '\s]+!u', $separator, $title);
return trim($title, $separator);
}
/**
* Returns the replacements for the slug() method.
*
* Taken from Stringy
*
* @return array An array of replacements.
*/
public static function charsArray()
{
static $charsArray;
if (isset($charsArray)) {
return $charsArray;
}
return $charsArray = [
'a' => [
'à', 'á', 'ả', 'ã', 'ạ', 'ă', 'ắ', 'ằ', 'ẳ', 'ẵ',
'ặ', 'â', 'ấ', 'ầ', 'ẩ', 'ẫ', 'ậ', 'ä', 'ā', 'ą',
'å', 'α', 'ά', 'ἀ', 'ἁ', 'ἂ', 'ἃ', 'ἄ', 'ἅ', 'ἆ',
'ἇ', 'ᾀ', 'ᾁ', 'ᾂ', 'ᾃ', 'ᾄ', 'ᾅ', 'ᾆ', 'ᾇ', 'ὰ',
'ά', 'ᾰ', 'ᾱ', 'ᾲ', 'ᾳ', 'ᾴ', 'ᾶ', 'ᾷ', 'а', 'أ', ],
'b' => ['б', 'β', 'Ъ', 'Ь', 'ب'],
'c' => ['ç', 'ć', 'č', 'ĉ', 'ċ'],
'd' => ['ď', 'ð', 'đ', 'ƌ', 'ȡ', 'ɖ', 'ɗ', 'ᵭ', 'ᶁ', 'ᶑ',
'д', 'δ', 'د', 'ض', ],
'e' => ['é', 'è', 'ẻ', 'ẽ', 'ẹ', 'ê', 'ế', 'ề', 'ể', 'ễ',
'ệ', 'ë', 'ē', 'ę', 'ě', 'ĕ', 'ė', 'ε', 'έ', 'ἐ',
'ἑ', 'ἒ', 'ἓ', 'ἔ', 'ἕ', 'ὲ', 'έ', 'е', 'ё', 'э',
'є', 'ə', ],
'f' => ['ф', 'φ', 'ف'],
'g' => ['ĝ', 'ğ', 'ġ', 'ģ', 'г', 'ґ', 'γ', 'ج'],
'h' => ['ĥ', 'ħ', 'η', 'ή', 'ح', 'ه'],
'i' => ['í', 'ì', 'ỉ', 'ĩ', 'ị', 'î', 'ï', 'ī', 'ĭ', 'į',
'ı', 'ι', 'ί', 'ϊ', 'ΐ', 'ἰ', 'ἱ', 'ἲ', 'ἳ', 'ἴ',
'ἵ', 'ἶ', 'ἷ', 'ὶ', 'ί', 'ῐ', 'ῑ', 'ῒ', 'ΐ', 'ῖ',
'ῗ', 'і', 'ї', 'и', ],
'j' => ['ĵ', 'ј', 'Ј'],
'k' => ['ķ', 'ĸ', 'к', 'κ', 'Ķ', 'ق', 'ك'],
'l' => ['ł', 'ľ', 'ĺ', 'ļ', 'ŀ', 'л', 'λ', 'ل'],
'm' => ['м', 'μ', 'م'],
'n' => ['ñ', 'ń', 'ň', 'ņ', 'ʼn', 'ŋ', 'ν', 'н', 'ن'],
'o' => ['ó', 'ò', 'ỏ', 'õ', 'ọ', 'ô', 'ố', 'ồ', 'ổ', 'ỗ',
'ộ', 'ơ', 'ớ', 'ờ', 'ở', 'ỡ', 'ợ', 'ø', 'ō', 'ő',
'ŏ', 'ο', 'ὀ', 'ὁ', 'ὂ', 'ὃ', 'ὄ', 'ὅ', 'ὸ', 'ό',
'ö', 'о', 'و', 'θ', ],
'p' => ['п', 'π'],
'r' => ['ŕ', 'ř', 'ŗ', 'р', 'ρ', 'ر'],
's' => ['ś', 'š', 'ş', 'с', 'σ', 'ș', 'ς', 'س', 'ص'],
't' => ['ť', 'ţ', 'т', 'τ', 'ț', 'ت', 'ط'],
'u' => ['ú', 'ù', 'ủ', 'ũ', 'ụ', 'ư', 'ứ', 'ừ', 'ử', 'ữ',
'ự', 'ü', 'û', 'ū', 'ů', 'ű', 'ŭ', 'ų', 'µ', 'у', ],
'v' => ['в'],
'w' => ['ŵ', 'ω', 'ώ'],
'x' => ['χ'],
'y' => ['ý', 'ỳ', 'ỷ', 'ỹ', 'ỵ', 'ÿ', 'ŷ', 'й', 'ы', 'υ',
'ϋ', 'ύ', 'ΰ', 'ي', ],
'z' => ['ź', 'ž', 'ż', 'з', 'ζ', 'ز'],
'aa' => ['ع'],
'ae' => ['æ'],
'ch' => ['ч'],
'dj' => ['ђ', 'đ'],
'dz' => ['џ'],
'gh' => ['غ'],
'kh' => ['х', 'خ'],
'lj' => ['љ'],
'nj' => ['њ'],
'oe' => ['œ'],
'ps' => ['ψ'],
'sh' => ['ш'],
'shch' => ['щ'],
'ss' => ['ß'],
'th' => ['þ', 'ث', 'ذ', 'ظ'],
'ts' => ['ц'],
'ya' => ['я'],
'yu' => ['ю'],
'zh' => ['ж'],
'(c)' => ['©'],
'A' => ['Á', 'À', 'Ả', 'Ã', 'Ạ', 'Ă', 'Ắ', 'Ằ', 'Ẳ', 'Ẵ',
'Ặ', 'Â', 'Ấ', 'Ầ', 'Ẩ', 'Ẫ', 'Ậ', 'Ä', 'Å', 'Ā',
'Ą', 'Α', 'Ά', 'Ἀ', 'Ἁ', 'Ἂ', 'Ἃ', 'Ἄ', 'Ἅ', 'Ἆ',
'Ἇ', 'ᾈ', 'ᾉ', 'ᾊ', 'ᾋ', 'ᾌ', 'ᾍ', 'ᾎ', 'ᾏ', 'Ᾰ',
'Ᾱ', 'Ὰ', 'Ά', 'ᾼ', 'А', ],
'B' => ['Б', 'Β'],
'C' => ['Ç', 'Ć', 'Č', 'Ĉ', 'Ċ'],
'D' => ['Ď', 'Ð', 'Đ', 'Ɖ', 'Ɗ', 'Ƌ', 'ᴅ', 'ᴆ', 'Д', 'Δ'],
'E' => ['É', 'È', 'Ẻ', 'Ẽ', 'Ẹ', 'Ê', 'Ế', 'Ề', 'Ể', 'Ễ',
'Ệ', 'Ë', 'Ē', 'Ę', 'Ě', 'Ĕ', 'Ė', 'Ε', 'Έ', 'Ἐ',
'Ἑ', 'Ἒ', 'Ἓ', 'Ἔ', 'Ἕ', 'Έ', 'Ὲ', 'Е', 'Ё', 'Э',
'Є', 'Ə', ],
'F' => ['Ф', 'Φ'],
'G' => ['Ğ', 'Ġ', 'Ģ', 'Г', 'Ґ', 'Γ'],
'H' => ['Η', 'Ή'],
'I' => ['Í', 'Ì', 'Ỉ', 'Ĩ', 'Ị', 'Î', 'Ï', 'Ī', 'Ĭ', 'Į',
'İ', 'Ι', 'Ί', 'Ϊ', 'Ἰ', 'Ἱ', 'Ἳ', 'Ἴ', 'Ἵ', 'Ἶ',
'Ἷ', 'Ῐ', 'Ῑ', 'Ὶ', 'Ί', 'И', 'І', 'Ї', ],
'K' => ['К', 'Κ'],
'L' => ['Ĺ', 'Ł', 'Л', 'Λ', 'Ļ'],
'M' => ['М', 'Μ'],
'N' => ['Ń', 'Ñ', 'Ň', 'Ņ', 'Ŋ', 'Н', 'Ν'],
'O' => ['Ó', 'Ò', 'Ỏ', 'Õ', 'Ọ', 'Ô', 'Ố', 'Ồ', 'Ổ', 'Ỗ',
'Ộ', 'Ơ', 'Ớ', 'Ờ', 'Ở', 'Ỡ', 'Ợ', 'Ö', 'Ø', 'Ō',
'Ő', 'Ŏ', 'Ο', 'Ό', 'Ὀ', 'Ὁ', 'Ὂ', 'Ὃ', 'Ὄ', 'Ὅ',
'Ὸ', 'Ό', 'О', 'Θ', 'Ө', ],
'P' => ['П', 'Π'],
'R' => ['Ř', 'Ŕ', 'Р', 'Ρ'],
'S' => ['Ş', 'Ŝ', 'Ș', 'Š', 'Ś', 'С', 'Σ'],
'T' => ['Ť', 'Ţ', 'Ŧ', 'Ț', 'Т', 'Τ'],
'U' => ['Ú', 'Ù', 'Ủ', 'Ũ', 'Ụ', 'Ư', 'Ứ', 'Ừ', 'Ử', 'Ữ',
'Ự', 'Û', 'Ü', 'Ū', 'Ů', 'Ű', 'Ŭ', 'Ų', 'У', ],
'V' => ['В'],
'W' => ['Ω', 'Ώ'],
'X' => ['Χ'],
'Y' => ['Ý', 'Ỳ', 'Ỷ', 'Ỹ', 'Ỵ', 'Ÿ', 'Ῠ', 'Ῡ', 'Ὺ', 'Ύ',
'Ы', 'Й', 'Υ', 'Ϋ', ],
'Z' => ['Ź', 'Ž', 'Ż', 'З', 'Ζ'],
'AE' => ['Æ'],
'CH' => ['Ч'],
'DJ' => ['Ђ'],
'DZ' => ['Џ'],
'KH' => ['Х'],
'LJ' => ['Љ'],
'NJ' => ['Њ'],
'PS' => ['Ψ'],
'SH' => ['Ш'],
'SHCH' => ['Щ'],
'SS' => ['ẞ'],
'TH' => ['Þ'],
'TS' => ['Ц'],
'YA' => ['Я'],
'YU' => ['Ю'],
'ZH' => ['Ж'],
' ' => ["\xC2\xA0", "\xE2\x80\x80", "\xE2\x80\x81",
"\xE2\x80\x82", "\xE2\x80\x83", "\xE2\x80\x84",
"\xE2\x80\x85", "\xE2\x80\x86", "\xE2\x80\x87",
"\xE2\x80\x88", "\xE2\x80\x89", "\xE2\x80\x8A",
"\xE2\x80\xAF", "\xE2\x81\x9F", "\xE3\x80\x80", ],
];
}
public static function getRelativePath($from, $to)
{
// some compatibility fixes for Windows paths
$from = is_dir($from) ? rtrim($from, '\/') . '/' : $from;
$to = is_dir($to) ? rtrim($to, '\/') . '/' : $to;
$from = str_replace('\\', '/', $from);
$to = str_replace('\\', '/', $to);
$from = explode('/', $from);
$to = explode('/', $to);
$relPath = $to;
foreach ($from as $depth => $dir) {
// find first non-matching dir
if ($dir === $to[$depth]) {
// ignore this directory
array_shift($relPath);
} else {
// get number of remaining dirs to $from
$remaining = count($from) - $depth;
if ($remaining > 1) {
// add traversals up to first matching dir
$padLength = (count($relPath) + $remaining - 1) * -1;
$relPath = array_pad($relPath, $padLength, '..');
break;
} else {
//$relPath[0] = './' . $relPath[0];
}
}
}
return implode('/', $relPath);
}
}