Adding upstream version 2.11.4.upstream/2.11.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 802 insertions, 0 deletions

diff --git a/modules/doc/library/Doc/Renderer/DocRenderer.php b/modules/doc/library/Doc/Renderer/DocRenderer.php
new file mode 100644
index 0000000..cb1bc39
--- /dev/null
+++ b/modules/doc/library/Doc/Renderer/DocRenderer.php
@@ -0,0 +1,208 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Doc\Renderer;
+
+use Exception;
+use Icinga\Exception\IcingaException;
+use RecursiveIteratorIterator;
+use Icinga\Application\Icinga;
+use Icinga\Web\View;
+
+/**
+ * Base class for toc and section renderer
+ */
+abstract class DocRenderer extends RecursiveIteratorIterator
+{
+    /**
+     * URL to images
+     *
+     * @var string
+     */
+    protected $imageUrl;
+
+    /**
+     * URL to replace links with
+     *
+     * @var string
+     */
+    protected $url;
+
+    /**
+     * Additional URL parameters
+     *
+     * @var array
+     */
+    protected $urlParams = array();
+
+    /**
+     * View
+     *
+     * @var View|null
+     */
+    protected $view;
+
+    /**
+     * Get the URL to images
+     *
+     * @return string
+     */
+    public function getImageUrl()
+    {
+        return $this->imageUrl;
+    }
+
+    /**
+     * Set the URL to images
+     *
+     * @param   string  $imageUrl
+     *
+     * @return  $this
+     */
+    public function setImageUrl($imageUrl)
+    {
+        $this->imageUrl = (string) $imageUrl;
+        return $this;
+    }
+    /**
+     * Get the URL to replace links with
+     *
+     * @return string
+     */
+    public function getUrl()
+    {
+        return $this->url;
+    }
+
+    /**
+     * Set the URL to replace links with
+     *
+     * @param   string  $url
+     *
+     * @return  $this
+     */
+    public function setUrl($url)
+    {
+        $this->url = (string) $url;
+        return $this;
+    }
+
+    /**
+     * Get additional URL parameters
+     *
+     * @return array
+     */
+    public function getUrlParams()
+    {
+        return $this->urlParams;
+    }
+
+    /**
+     * Set additional URL parameters
+     *
+     * @param   array   $urlParams
+     *
+     * @return  $this
+     */
+    public function setUrlParams(array $urlParams)
+    {
+        $this->urlParams = array_map(array($this, 'encodeUrlParam'), $urlParams);
+        return $this;
+    }
+
+    /**
+     * Get the view
+     *
+     * @return View
+     */
+    public function getView()
+    {
+        if ($this->view === null) {
+            $this->view = Icinga::app()->getViewRenderer()->view;
+        }
+        return $this->view;
+    }
+
+    /**
+     * Set the view
+     *
+     * @param   View    $view
+     *
+     * @return  $this
+     */
+    public function setView(View $view)
+    {
+        $this->view = $view;
+        return $this;
+    }
+
+    /**
+     * Encode an anchor identifier
+     *
+     * @param   string $anchor
+     *
+     * @return  string
+     */
+    public static function encodeAnchor($anchor)
+    {
+        return rawurlencode($anchor);
+    }
+
+    /**
+     * Decode an anchor identifier
+     *
+     * @param   string $anchor
+     *
+     * @return  string
+     */
+    public static function decodeAnchor($anchor)
+    {
+        return rawurldecode($anchor);
+    }
+
+    /**
+     * Encode a URL parameter
+     *
+     * @param   string $param
+     *
+     * @return  string
+     */
+    public static function encodeUrlParam($param)
+    {
+        return str_replace(array('%2F','%5C'), array('%252F','%255C'), rawurlencode($param));
+    }
+
+    /**
+     * Decode a URL parameter
+     *
+     * @param   string $param
+     *
+     * @return  string
+     */
+    public static function decodeUrlParam($param)
+    {
+        return str_replace(array('%2F', '%5C'), array('/', '\\'), $param);
+    }
+
+    /**
+     * Render to HTML
+     *
+     * @return  string
+     */
+    abstract public function render();
+
+    /**
+     * Render to HTML
+     *
+     * @return  string
+     * @see     \Icinga\Module\Doc\Renderer::render() For the render method.
+     */
+    public function __toString()
+    {
+        try {
+            return $this->render();
+        } catch (Exception $e) {
+            return $e->getMessage() . ': ' . IcingaException::getConfidentialTraceAsString($e);
+        }
+    }
+}
diff --git a/modules/doc/library/Doc/Renderer/DocSearchRenderer.php b/modules/doc/library/Doc/Renderer/DocSearchRenderer.php
new file mode 100644
index 0000000..c6e9ae2
--- /dev/null
+++ b/modules/doc/library/Doc/Renderer/DocSearchRenderer.php
@@ -0,0 +1,131 @@
+<?php
+/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Doc\Renderer;
+
+use RecursiveIteratorIterator;
+use Icinga\Module\Doc\Search\DocSearchIterator;
+use Icinga\Module\Doc\Search\DocSearchMatch;
+
+/**
+ * Renderer for doc searches
+ */
+class DocSearchRenderer extends DocRenderer
+{
+    /**
+     * The content to render
+     *
+     * @var array
+     */
+    protected $content = array();
+
+    /**
+     * Create a new renderer for doc searches
+     *
+     * @param DocSearchIterator $iterator
+     */
+    public function __construct(DocSearchIterator $iterator)
+    {
+        parent::__construct($iterator, RecursiveIteratorIterator::SELF_FIRST);
+    }
+
+    public function beginIteration(): void
+    {
+        $this->content[] = '<nav role="navigation"><ul class="toc">';
+    }
+
+    public function endIteration(): void
+    {
+        $this->content[] = '</ul></nav>';
+    }
+
+    public function beginChildren(): void
+    {
+        if ($this->getInnerIterator()->getMatches()) {
+            $this->content[] = '<ul class="toc">';
+        }
+    }
+
+    public function endChildren(): void
+    {
+        if ($this->getInnerIterator()->getMatches()) {
+            $this->content[] = '</ul>';
+        }
+    }
+
+    public function render()
+    {
+        foreach ($this as $section) {
+            if (($matches = $this->getInnerIterator()->getMatches()) === null) {
+                continue;
+            }
+            $title = $this->getView()->escape($section->getTitle());
+            $contentMatches = array();
+            foreach ($matches as $match) {
+                if ($match->getMatchType() === DocSearchMatch::MATCH_HEADER) {
+                    $title = $match->highlight();
+                } else {
+                    $contentMatches[] = sprintf(
+                        '<p>%s</p>',
+                        $match->highlight()
+                    );
+                }
+            }
+            $path = $this->getView()->getHelper('Url')->url(
+                array_merge(
+                    $this->getUrlParams(),
+                    array(
+                        'chapter' => $this->encodeUrlParam($section->getChapter()->getId())
+                    )
+                ),
+                $this->url,
+                false,
+                false
+            );
+            $url = $this->getView()->url(
+                $path,
+                array('highlight-search' => $this->getInnerIterator()->getSearch()->getInput())
+            );
+            /** @var \Icinga\Web\Url $url */
+            $url->setAnchor($this->encodeAnchor($section->getId()));
+            $urlAttributes = array(
+                'data-base-target'  => '_next',
+                'title'             => $section->getId() === $section->getChapter()->getId()
+                    ? sprintf(
+                        $this->getView()->translate(
+                            'Show all matches of "%s" in the chapter "%s"',
+                            'search.render.section.link'
+                        ),
+                        $this->getInnerIterator()->getSearch()->getInput(),
+                        $section->getChapter()->getTitle()
+                    )
+                    : sprintf(
+                        $this->getView()->translate(
+                            'Show all matches of "%s" in the section "%s" of the chapter "%s"',
+                            'search.render.section.link'
+                        ),
+                        $this->getInnerIterator()->getSearch()->getInput(),
+                        $section->getTitle(),
+                        $section->getChapter()->getTitle()
+                    )
+            );
+            if ($section->getNoFollow()) {
+                $urlAttributes['rel'] = 'nofollow';
+            }
+            $this->content[] = '<li>' . $this->getView()->qlink(
+                $title,
+                $url->getAbsoluteUrl(),
+                null,
+                $urlAttributes,
+                false
+            );
+            if (! empty($contentMatches)) {
+                $this->content = array_merge($this->content, $contentMatches);
+            }
+            if (! $section->hasChildren()) {
+                $this->content[] = '</li>';
+            }
+        }
+        return implode("\n", $this->content);
+    }
+}
diff --git a/modules/doc/library/Doc/Renderer/DocSectionRenderer.php b/modules/doc/library/Doc/Renderer/DocSectionRenderer.php
new file mode 100644
index 0000000..de2d4d4
--- /dev/null
+++ b/modules/doc/library/Doc/Renderer/DocSectionRenderer.php
@@ -0,0 +1,346 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Doc\Renderer;
+
+require_once 'Parsedown/Parsedown.php';
+
+use DOMDocument;
+use DOMXPath;
+use Parsedown;
+use RecursiveIteratorIterator;
+use Icinga\Data\Tree\SimpleTree;
+use Icinga\Module\Doc\Exception\ChapterNotFoundException;
+use Icinga\Module\Doc\DocSectionFilterIterator;
+use Icinga\Module\Doc\Search\DocSearch;
+use Icinga\Module\Doc\Search\DocSearchMatch;
+use Icinga\Web\Dom\DomNodeIterator;
+use Icinga\Web\Url;
+use Icinga\Web\View;
+
+/**
+ * Section renderer
+ */
+class DocSectionRenderer extends DocRenderer
+{
+    /**
+     * Content to render
+     *
+     * @var array
+     */
+    protected $content = array();
+
+    /**
+     * Search criteria to highlight
+     *
+     * @var string
+     */
+    protected $highlightSearch;
+
+    /**
+     * Parsedown instance
+     *
+     * @var Parsedown
+     */
+    protected $parsedown;
+
+    /**
+     * Documentation tree
+     *
+     * @var SimpleTree
+     */
+    protected $tree;
+
+    /**
+     * Create a new section renderer
+     *
+     * @param   SimpleTree  $tree           The documentation tree
+     * @param   string|null $chapter        If not null, the chapter to filter for
+     *
+     * @throws  ChapterNotFoundException    If the chapter to filter for was not found
+     */
+    public function __construct(SimpleTree $tree, $chapter = null)
+    {
+        if ($chapter !== null) {
+            $filter = new DocSectionFilterIterator($tree->getIterator(), $chapter);
+            if ($filter->isEmpty()) {
+                throw new ChapterNotFoundException(
+                    mt('doc', 'Chapter %s not found'),
+                    $chapter
+                );
+            }
+            parent::__construct(
+                $filter,
+                RecursiveIteratorIterator::SELF_FIRST
+            );
+        } else {
+            parent::__construct($tree->getIterator(), RecursiveIteratorIterator::SELF_FIRST);
+        }
+        $this->tree = $tree;
+        $this->parsedown = Parsedown::instance();
+    }
+
+    /**
+     * Set the search criteria to highlight
+     *
+     * @param   string $highlightSearch
+     *
+     * @return  $this
+     */
+    public function setHighlightSearch($highlightSearch)
+    {
+        $this->highlightSearch = $highlightSearch;
+        return $this;
+    }
+
+    /**
+     * Get the search criteria to highlight
+     *
+     * @return string
+     */
+    public function getHighlightSearch()
+    {
+        return $this->highlightSearch;
+    }
+
+    /**
+     * Syntax highlighting for PHP code
+     *
+     * @param   array $match
+     *
+     * @return  string
+     */
+    protected function highlightPhp($match)
+    {
+        return '<pre>' . highlight_string(htmlspecialchars_decode($match[1]), true) . '</pre>';
+    }
+
+    /**
+     * Highlight search criteria
+     *
+     * @param   string      $html
+     * @param   DocSearch   $search Search criteria
+     *
+     * @return  string
+     */
+    protected function highlightSearch($html, DocSearch $search)
+    {
+        $doc = new DOMDocument();
+        @$doc->loadHTML($html);
+        $iter = new RecursiveIteratorIterator(new DomNodeIterator($doc), RecursiveIteratorIterator::SELF_FIRST);
+        foreach ($iter as $node) {
+            if ($node->nodeType !== XML_TEXT_NODE
+                || ($node->parentNode->nodeType === XML_ELEMENT_NODE && $node->parentNode->tagName === 'code')
+            ) {
+                continue;
+            }
+            $text = $node->nodeValue;
+            if (($match = $search->search($text)) === null) {
+                continue;
+            }
+            $matches = $match->getMatches();
+            ksort($matches);
+            $offset = 0;
+            $fragment = $doc->createDocumentFragment();
+            foreach ($matches as $position => $match) {
+                    $fragment->appendChild($doc->createTextNode(substr($text, $offset, $position - $offset)));
+                    $fragment->appendChild($doc->createElement('span', $match))
+                        ->setAttribute('class', DocSearchMatch::HIGHLIGHT_CSS_CLASS);
+                $offset = $position + strlen($match);
+            }
+            $fragment->appendChild($doc->createTextNode(substr($text, $offset)));
+            $node->parentNode->replaceChild($fragment, $node);
+        }
+        // Remove <!DOCTYPE
+        $doc->removeChild($doc->doctype);
+        // Remove <html><body> and </body></html>
+        return substr($doc->saveHTML(), 12, -15);
+    }
+
+    /**
+     * Markup notes
+     *
+     * @param   array $match
+     *
+     * @return  string
+     */
+    protected function markupNotes($match)
+    {
+        $doc = new DOMDocument();
+        $doc->loadHTML($match[0]);
+        $xpath = new DOMXPath($doc);
+        $blockquote = $xpath->query('//blockquote[1]')->item(0);
+        /** @var \DOMElement $blockquote */
+        if (strtolower(substr(trim($blockquote->nodeValue), 0, 5)) === 'note:') {
+            $blockquote->setAttribute('class', 'note');
+        }
+        return $doc->saveXML($blockquote);
+    }
+
+    /**
+     * Replace img src tags
+     *
+     * @param   $match
+     *
+     * @return  string
+     */
+    protected function replaceImg($match)
+    {
+        $doc = new DOMDocument();
+        $doc->loadHTML($match[0]);
+        $xpath = new DOMXPath($doc);
+        $img = $xpath->query('//img[1]')->item(0);
+        /** @var \DOMElement $img */
+        $path = $this->getView()->getHelper('Url')->url(
+            array_merge(
+                array(
+                    'image' => trim($img->getAttribute('src'))
+                ),
+                $this->urlParams
+            ),
+            $this->imageUrl,
+            false,
+            false
+        );
+        $url = $this->getView()->url($path);
+        /** @var \Icinga\Web\Url $url */
+        $img->setAttribute('src', $url->getAbsoluteUrl());
+        return substr_replace($doc->saveXML($img), '', -2, 1);  // Replace '/>' with '>'
+    }
+
+    /**
+     * Replace chapter link
+     *
+     * @param   array $match
+     *
+     * @return  string
+     */
+    protected function replaceChapterLink($match)
+    {
+        if (($chapter = $this->tree->getNode($this->decodeAnchor($match['chapter']))) === null) {
+            return $match[0];
+        }
+        /** @var \Icinga\Module\Doc\DocSection $section */
+        $path = $this->getView()->getHelper('Url')->url(
+            array_merge(
+                $this->urlParams,
+                array(
+                    'chapter' => $this->encodeUrlParam($chapter->getChapter()->getId())
+                )
+            ),
+            $this->url,
+            false,
+            false
+        );
+        $url = $this->getView()->url($path);
+        /** @var \Icinga\Web\Url $url */
+        return sprintf(
+            '<a %s%shref="%s"',
+            strlen($match['attribs']) ? trim($match['attribs']) . ' ' : '',
+            $chapter->getNoFollow() ? 'rel="nofollow" ' : '',
+            $url->getAbsoluteUrl()
+        );
+    }
+
+    /**
+     * Replace section link
+     *
+     * @param   array $match
+     *
+     * @return  string
+     */
+    protected function replaceSectionLink($match)
+    {
+        if (($section = $this->tree->getNode($this->decodeAnchor($match['section']))) === null) {
+            return $match[0];
+        }
+        /** @var \Icinga\Module\Doc\DocSection $section */
+        $path = $this->getView()->getHelper('Url')->url(
+            array_merge(
+                $this->urlParams,
+                array(
+                    'chapter' => $this->encodeUrlParam($section->getChapter()->getId())
+                )
+            ),
+            $this->url,
+            false,
+            false
+        );
+        $url = $this->getView()->url($path);
+        /** @var \Icinga\Web\Url $url */
+        $url->setAnchor($this->encodeAnchor($section->getId()));
+        return sprintf(
+            '<a %s%shref="%s"',
+            strlen($match['attribs']) ? trim($match['attribs']) . ' ' : '',
+            $section->getNoFollow() ? 'rel="nofollow" ' : '',
+            $url->getAbsoluteUrl()
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function render()
+    {
+        $search = null;
+        if (($highlightSearch = $this->getHighlightSearch()) !== null) {
+            $search = new DocSearch($highlightSearch);
+        }
+        foreach ($this as $section) {
+            $title = $section->getTitle();
+            if ($search !== null && ($match = $search->search($title)) !== null) {
+                $title = $match->highlight();
+            } else {
+                $title = $this->getView()->escape($title);
+            }
+            $number = '';
+            for ($i = 0; $i < $this->getDepth() + 1; ++$i) {
+                if ($i > 0) {
+                    $number .= '.';
+                }
+                $number .= $this->getSubIterator($i)->key() + 1;
+            }
+            $this->content[] = sprintf(
+                '<a name="%1$s"></a><h%2$d>%3$s. %4$s</h%2$d>',
+                static::encodeAnchor($section->getId()),
+                $section->getLevel(),
+                $number,
+                $title
+            );
+            $html = $this->parsedown->text(implode('', $section->getContent()));
+            if (empty($html)) {
+                continue;
+            }
+            $html = preg_replace_callback(
+                '#<pre><code class="language-php">(.*?)</code></pre>#s',
+                array($this, 'highlightPhp'),
+                $html
+            );
+            $html = preg_replace_callback(
+                '/<img[^>]+>/',
+                array($this, 'replaceImg'),
+                $html
+            );
+            $html = preg_replace_callback(
+                '#<blockquote>.+?</blockquote>#ms',
+                array($this, 'markupNotes'),
+                $html
+            );
+            $html = preg_replace_callback(
+                '/<a\s+(?P<attribs>[^>]*?\s+)?href="(?:(?!http:\/\/)[^"#]*)#(?P<section>[^"]+)"/',
+                array($this, 'replaceSectionLink'),
+                $html
+            );
+            $html = preg_replace_callback(
+                '/<a\s+(?P<attribs>[^>]*?\s+)?href="(?:\d+-)?(?P<chapter>[^\/"#]+).md"/',
+                array($this, 'replaceChapterLink'),
+                $html
+            );
+            if ($search !== null) {
+                $html = $this->highlightSearch($html, $search);
+            }
+            $this->content[] = $html;
+        }
+        return implode("\n", $this->content);
+    }
+}
diff --git a/modules/doc/library/Doc/Renderer/DocTocRenderer.php b/modules/doc/library/Doc/Renderer/DocTocRenderer.php
new file mode 100644
index 0000000..09e9a1d
--- /dev/null
+++ b/modules/doc/library/Doc/Renderer/DocTocRenderer.php
@@ -0,0 +1,117 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Doc\Renderer;
+
+use Icinga\Data\Tree\TreeNodeIterator;
+use RecursiveIteratorIterator;
+
+/**
+ * TOC renderer
+ */
+class DocTocRenderer extends DocRenderer
+{
+    /**
+     * CSS class for the HTML list element
+     *
+     * @var string
+     */
+    const CSS_CLASS = 'toc';
+
+    /**
+     * Tag for the HTML list element
+     *
+     * @var string
+     */
+    const HTML_LIST_TAG = 'ol';
+
+    /**
+     * Content to render
+     *
+     * @var array
+     */
+    protected $content = array();
+
+    /**
+     * Create a new toc renderer
+     *
+     * @param TreeNodeIterator $iterator
+     */
+    public function __construct(TreeNodeIterator $iterator)
+    {
+        parent::__construct($iterator, RecursiveIteratorIterator::SELF_FIRST);
+    }
+
+    public function beginIteration(): void
+    {
+        $this->content[] = sprintf('<nav role="navigation"><%s class="%s">', static::HTML_LIST_TAG, static::CSS_CLASS);
+    }
+
+    public function endIteration(): void
+    {
+        $this->content[] = sprintf('</%s></nav>', static::HTML_LIST_TAG);
+    }
+
+    public function beginChildren(): void
+    {
+        $this->content[] = sprintf('<%s class="%s">', static::HTML_LIST_TAG, static::CSS_CLASS);
+    }
+
+    public function endChildren(): void
+    {
+        $this->content[] = sprintf('</%s>', static::HTML_LIST_TAG);
+    }
+
+    public function render()
+    {
+        if ($this->getInnerIterator()->isEmpty()) {
+            return '<p>' . mt('doc', 'Documentation is empty.') . '</p>';
+        }
+        $view = $this->getView();
+        $zendUrlHelper = $view->getHelper('Url');
+        foreach ($this as $section) {
+            $path = $zendUrlHelper->url(
+                array_merge(
+                    $this->urlParams,
+                    array(
+                        'chapter' => $this->encodeUrlParam($section->getChapter()->getId())
+                    )
+                ),
+                $this->url,
+                false,
+                false
+            );
+            $url = $view->url($path);
+            /** @var \Icinga\Web\Url $url */
+            if ($this->getDepth() > 0) {
+                $url->setAnchor($this->encodeAnchor($section->getId()));
+            }
+            $urlAttributes = array(
+                'data-base-target'  => '_next',
+                'title'             => $section->getId() === $section->getChapter()->getId()
+                    ? sprintf(
+                        $view->translate('Show the chapter "%s"', 'toc.render.section.link'),
+                        $section->getChapter()->getTitle()
+                    )
+                    : sprintf(
+                        $view->translate('Show the section "%s" of the chapter "%s"', 'toc.render.section.link'),
+                        $section->getTitle(),
+                        $section->getChapter()->getTitle()
+                    )
+            );
+            if ($section->getNoFollow()) {
+                $urlAttributes['rel'] = 'nofollow';
+            }
+            $this->content[] = '<li>' . $this->getView()->qlink(
+                $section->getTitle(),
+                $url->getAbsoluteUrl(),
+                null,
+                $urlAttributes
+            );
+            if (! $section->hasChildren()) {
+                $this->content[] = '</li>';
+            }
+        }
+        return implode("\n", $this->content);
+    }
+}