protected function loadUnsafe()
{
if ($this->wasCached()) {
// Get the page from the cache.
$configText = $this->cache->read($this->page->getUri(), 'json');
$config = json_decode($configText, true);
$this->page->getConfig()->set($config, false);
// false = No need to validate this.
if (!$this->page->getConfig()->hasValue('segments')) {
throw new PieCrustException("Can't get segments list from cache.");
}
$contents = array();
foreach ($config['segments'] as $key) {
$contents[$key] = json_decode($this->cache->read($this->page->getUri(), $key . '.json'), true);
}
return $contents;
} else {
// Load the page from disk.
$rawContents = file_get_contents($this->page->getPath());
$parsedContents = Configuration::parseHeader($rawContents);
// Set the configuration.
$config = $this->page->getConfig();
$config->set($parsedContents['config']);
// Set the raw content with the unparsed content segments.
$rawSegmentsOffset = $parsedContents['text_offset'];
$contents = $this->parseContentSegments($rawContents, $rawSegmentsOffset);
// Add the list of known segments to the configuration.
foreach ($contents as $key => $segment) {
$config->appendValue('segments', $key);
}
// Cache that shit out.
if ($this->cache != null) {
$yamlMarkup = json_encode($config->get());
$this->cache->write($this->page->getUri(), 'json', $yamlMarkup);
$keys = $config['segments'];
foreach ($keys as $key) {
$this->cache->write($this->page->getUri() . '.' . $key, 'json', json_encode($contents[$key]));
}
}
return $contents;
}
}
protected function convertPage($relative, $outputPath, $isTemplate = false)
{
$this->logger->debug("Converting {$relative}");
$pieCrustRelative = PieCrustHelper::getRelativePath($this->pieCrust, $outputPath);
$this->logger->debug(" -> {$pieCrustRelative}");
$this->modified[$pieCrustRelative] = array();
$absolute = $this->rootDir . $relative;
$contents = file_get_contents($absolute);
$wrapContentTag = true;
$header = Configuration::parseHeader($contents);
$text = substr($contents, $header->textOffset);
$textBeforeConversion = $text;
if ($isTemplate) {
$config = $header->config;
if (isset($config['layout'])) {
// Liquid doesn't support template inheritance,
// but Twig does.
$text = "{% extends '{$config['layout']}.html' %}\n\n" . "{% block jekyllcontent %}\n" . $text . "\n" . "{% endblock %}\n";
$wrapContentTag = false;
$this->modified[$pieCrustRelative]['layout_extends'] = true;
}
} else {
// Convert the config.
$config = $header->config;
if (isset($config['layout'])) {
// PieCrust uses 'none' instead of 'nil'.
if ($config['layout'] == 'nil') {
$config['layout'] = 'none';
}
}
// PieCrust defines everything in the config header,
// including the format of the text.
$pathinfo = pathinfo($relative);
if ($pathinfo['extension'] != 'html') {
$config['format'] = $pathinfo['extension'];
} else {
$config['format'] = 'none';
}
}
// Convert the template stuff we can:
// - content tag may have to be wrapped in a `jekyllcontent`
// because Jekyll uses implicit layout inheritance
// placements.
if ($wrapContentTag) {
$text = preg_replace('/{{\\s*content\\s*}}/', '{% block jekyllcontent %}{{ content }}{% endblock %}', $text);
}
// - list of posts
$text = preg_replace('/(?<=\\{%|{)([^\\}]*)site.posts/', '\\1blog.posts', $text);
$text = preg_replace('/(?<=\\{%|{)([^\\}]*)paginator.posts/', '\\1pagination.posts', $text);
// - list of categories or tags
$text = preg_replace('/(?<=\\{%|{)([^\\}]*)site.categories/', '\\1blog.categories', $text);
$text = preg_replace('/(?<=\\{%|{)([^\\}]*)site.tags/', '\\1blog.tags', $text);
// - list of related posts
$text = preg_replace('/(?<=\\{%|{)(?<!%\\})site.related_posts/', '\\1pagination.related_posts', $text);
// - enumeration limits
$text = preg_replace('/{%\\s*for\\s+([^}]+)\\s+limit\\:\\s*(\\d+)/', '{% for \\1 | slice(0, \\2)', $text);
$text = preg_replace('/{%\\s*for\\s+([^}]+)\\s+offset\\:\\s*(\\d+)/', '{% for \\1 | slice(\\2)', $text);
// - code highlighting
$text = preg_replace('/{%\\s*highlight\\s+([\\w\\d]+)\\s*%}/', '{% geshi \'\\1\' %}', $text);
$text = preg_replace('/{%\\s*endhighlight\\s*%}/', '{% endgeshi %}', $text);
// - unless tag
$text = preg_replace('/{%\\s*unless\\s+([^}]+)\\s*%}/', '{% if not \\1 %}', $text);
$text = preg_replace('/{%\\s*endunless\\s*%}/', '{% endif %}', $text);
// - variable assignment
$text = preg_replace('/\\{%\\s*assign\\s+/', '{% set ', $text);
// - include tag
$text = preg_replace('/\\{%\\s*include\\s+([\\w\\d\\.\\-_]+)\\s*%}/', '{% include "\\1" %}', $text);
// - truncate filter
$text = preg_replace('/\\|\\s*truncate\\:\\s*(\\d+)/', '|slice(0, \\1)', $text);
// - date filter
$text = preg_replace('/\\|\\s*date\\:\\s*"([^"]+)"/', '|date("\\1")', $text);
// - some filters we don't need
$text = preg_replace('/\\|\\s*date_to_string/', '', $text);
// Create the destination directory if needed.
if (!is_dir(dirname($outputPath))) {
mkdir(dirname($outputPath), 0755, true);
}
// Create a backup file if we converted a lot of stuff.
if ($text != $textBeforeConversion) {
$this->modified[$pieCrustRelative]['liquid_to_twig'] = true;
// Add a backup of the original content.
$backupPath = $outputPath . '.original';
file_put_contents($backupPath, $contents);
}
// Save the converted contents.
$convertedContents = '';
if (!$isTemplate and count($config) > 0) {
$convertedContents .= "---\n";
$convertedContents .= Yaml::dump($config, 3);
$convertedContents .= "---\n";
}
$convertedContents .= $text;
file_put_contents($outputPath, $convertedContents);
}
protected function loadUnsafe()
{
if ($this->wasCached()) {
// Get the page from the cache.
$configText = $this->cache->read($this->page->getUri(), 'json');
$config = json_decode($configText, true);
$this->page->getConfig()->set($config, false);
// false = No need to validate this.
if (!$this->page->getConfig()->hasValue('segments')) {
throw new PieCrustException("Can't get segments list from cache.");
}
$contents = array();
foreach ($config['segments'] as $key) {
$segmentText = $this->cache->read($this->page->getUri() . '.' . $key, 'json');
$contents[$key] = json_decode($segmentText);
// The deserialized JSON object is not of type `ContentSegment` but will
// have the same attributes so it should work all fine.
// Sanity test: if the first content segment is null, it may mean that the
// original page file was in a non-supported encoding.
if (count($contents[$key]) > 0 && $contents[$key]->parts[0]->content === null) {
throw new PieCrustException("Corrupted cache: is the page not saved in UTF-8 encoding?");
}
}
return $contents;
} else {
// Load the page from disk.
$rawContents = file_get_contents($this->page->getPath());
$rawContents = PageLoader::removeUnicodeBOM($rawContents);
$header = Configuration::parseHeader($rawContents);
// Set the format from the file extension.
if (!isset($header->config['format'])) {
$app = $this->page->getApp();
$autoFormats = $app->getConfig()->getValueUnchecked('site/auto_formats');
$extension = pathinfo($this->page->getPath(), PATHINFO_EXTENSION);
if (isset($autoFormats[$extension])) {
$format = $autoFormats[$extension];
if ($format) {
$header->config['format'] = $autoFormats[$extension];
}
}
}
// Set the configuration.
$config = $this->page->getConfig();
$config->set($header->config);
// Set the raw content with the unparsed content segments.
$contents = $this->parseContentSegments($rawContents, $header->textOffset);
// Add the list of known segments to the configuration.
foreach ($contents as $key => $segment) {
$config->appendValue('segments', $key);
}
// Cache that shit out.
if ($this->cache != null) {
$cacheUri = $this->page->getUri();
if ($cacheUri == '') {
$cacheUri = '_index';
}
$configText = json_encode($config->get());
$this->cache->write($cacheUri, 'json', $configText);
$keys = $config['segments'];
foreach ($keys as $key) {
$segmentText = json_encode($contents[$key]);
$this->cache->write($cacheUri . '.' . $key, 'json', $segmentText);
}
}
return $contents;
}
}
