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Move bb2diaspora() content to Content\Text\BBCode::toMarkdown 

- Use self where appropriate
- Add BaseObject extension
This commit is contained in:
Hypolite Petovan 2018-03-04 17:34:59 -05:00
parent 49f99d94f6
commit fe5ce67ef8
3 changed files with 160 additions and 192 deletions
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182
include/bb2diaspora.php
View File

@ -2,191 +2,11 @@
use Friendica\Content\Text\BBCode; use Friendica\Content\Text\BBCode;
use Friendica\Content\Text\Markdown; use Friendica\Content\Text\Markdown;
use Friendica\Core\Addon;
use Friendica\Core\L10n;
use Friendica\Core\System;
use Friendica\Model\Contact;
use Friendica\Network\Probe;
use Friendica\Util\DateTimeFormat;
use League\HTMLToMarkdown\HtmlConverter;
require_once 'include/event.php';
require_once 'include/html2bbcode.php';
function diaspora2bb($s) { function diaspora2bb($s) {
return Markdown::toBBCode($s); return Markdown::toBBCode($s);
} }
/**
* @brief Callback function to replace a Friendica style mention in a mention for Diaspora
*
* @param array $match Matching values for the callback
* @return string Replaced mention
*/
function diaspora_mentions($match) {
$contact = Contact::getDetailsByURL($match[3]);
if (!x($contact, 'addr')) {
$contact = Probe::uri($match[3]);
}
if (!x($contact, 'addr')) {
return $match[0];
}
$mention = '@{' . $match[2] . '; ' . $contact['addr'] . '}';
return $mention;
}
/**
* @brief Converts a BBCode text into Markdown
*
* This function converts a BBCode item body to be sent to Markdown-enabled
* systems like Diaspora and Libertree
*
* @param string $Text
* @param bool $fordiaspora Diaspora requires more changes than Libertree
* @return string
*/
function bb2diaspora($Text, $fordiaspora = true) { function bb2diaspora($Text, $fordiaspora = true) {
$a = get_app(); return BBCode::toMarkdown($Text, $fordiaspora);
$OriginalText = $Text;
// Since Diaspora is creating a summary for links, this function removes them before posting
if ($fordiaspora) {
$Text = BBCode::removeShareInformation($Text);
}
/**
* Transform #tags, strip off the [url] and replace spaces with underscore
*/
$URLSearchString = "^\[\]";
$Text = preg_replace_callback("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i",
function ($matches) {
return '#' . str_replace(' ', '_', $matches[2]);
}
, $Text);
// Converting images with size parameters to simple images. Markdown doesn't know it.
$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $Text);
// Extracting multi-line code blocks before the whitespace processing/code highlighter in BBCode::convert()
$codeblocks = [];
$Text = preg_replace_callback("#\[code(?:=([^\]]*))?\](.*?)\[\/code\]#is",
function ($matches) use (&$codeblocks) {
$return = $matches[0];
if (strpos($matches[2], "\n") !== false) {
$return = '#codeblock-' . count($codeblocks) . '#';
$prefix = '````' . $matches[1] . PHP_EOL;
$codeblocks[] = $prefix . trim($matches[2]) . PHP_EOL . '````';
}
return $return;
}
, $Text);
// Convert it to HTML - don't try oembed
if ($fordiaspora) {
$Text = BBCode::convert($Text, false, 3);
// Add all tags that maybe were removed
if (preg_match_all("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", $OriginalText, $tags)) {
$tagline = "";
foreach ($tags[2] as $tag) {
$tag = html_entity_decode($tag, ENT_QUOTES, 'UTF-8');
if (!strpos(html_entity_decode($Text, ENT_QUOTES, 'UTF-8'), '#' . $tag)) {
$tagline .= '#' . $tag . ' ';
}
}
$Text = $Text." ".$tagline;
}
} else {
$Text = BBCode::convert($Text, false, 4);
}
// mask some special HTML chars from conversation to markdown
$Text = str_replace(['<', '>', '&'], ['&_lt_;', '&_gt_;', '&_amp_;'], $Text);
// If a link is followed by a quote then there should be a newline before it
// Maybe we should make this newline at every time before a quote.
$Text = str_replace(["</a><blockquote>"], ["</a><br><blockquote>"], $Text);
$stamp1 = microtime(true);
// Now convert HTML to Markdown
$converter = new HtmlConverter();
$Text = $converter->convert($Text);
// unmask the special chars back to HTML
$Text = str_replace(['&\_lt\_;', '&\_gt\_;', '&\_amp\_;'], ['&lt;', '&gt;', '&amp;'], $Text);
$a->save_timestamp($stamp1, "parser");
// Libertree has a problem with escaped hashtags.
$Text = str_replace(['\#'], ['#'], $Text);
// Remove any leading or trailing whitespace, as this will mess up
// the Diaspora signature verification and cause the item to disappear
$Text = trim($Text);
if ($fordiaspora) {
$URLSearchString = "^\[\]";
$Text = preg_replace_callback("/([@]\[(.*?)\])\(([$URLSearchString]*?)\)/ism", 'diaspora_mentions', $Text);
}
// Restore code blocks
$Text = preg_replace_callback('/#codeblock-([0-9]+)#/iU',
function ($matches) use ($codeblocks) {
$return = '';
if (isset($codeblocks[intval($matches[1])])) {
$return = $codeblocks[$matches[1]];
}
return $return;
}
, $Text);
Addon::callHooks('bb2diaspora',$Text);
return $Text;
}
function unescape_underscores_in_links($m) {
$y = str_replace('\\_', '_', $m[2]);
return('[' . $m[1] . '](' . $y . ')');
}
function format_event_diaspora($ev) {
if (! ((is_array($ev)) && count($ev))) {
return '';
}
$bd_format = L10n::t('l F d, Y \@ g:i A') ; // Friday January 18, 2011 @ 8 AM
$o = 'Friendica event notification:' . "\n";
$o .= '**' . (($ev['summary']) ? bb2diaspora($ev['summary']) : bb2diaspora($ev['desc'])) . '**' . "\n";
// @todo What. Is. Going. On. With. This. Useless. Ternary. Operator? - mrpetovan
$o .= L10n::t('Starts:') . ' ' . '[' . day_translate(
$ev['adjust'] ? DateTimeFormat::utc($ev['start'], $bd_format) : DateTimeFormat::utc($ev['start'], $bd_format)
)
. '](' . System::baseUrl() . '/localtime/?f=&time=' . urlencode(DateTimeFormat::utc($ev['start'])) . ")\n";
if (! $ev['nofinish']) {
$o .= L10n::t('Finishes:') . ' ' . '[' . day_translate(
$ev['adjust'] ? DateTimeFormat::utc($ev['finish'], $bd_format) : DateTimeFormat::utc($ev['finish'], $bd_format)
)
. '](' . System::baseUrl() . '/localtime/?f=&time=' . urlencode(DateTimeFormat::utc($ev['finish'])) . ")\n";
}
if (strlen($ev['location'])) {
$o .= L10n::t('Location:') . bb2diaspora($ev['location'])
. "\n";
}
$o .= "\n";
return $o;
} }

168
src/Content/Text/BBCode.php
View File

@ -1,33 +1,37 @@
<?php <?php
/** /**
* @file src/Content/Text/BBCode.php * @file src/Content/Text/BBCode.php
*/ */
namespace Friendica\Content\Text; namespace Friendica\Content\Text;
use DOMDocument; use DOMDocument;
use DomXPath; use DomXPath;
use Exception; use Exception;
use Friendica\BaseObject;
use Friendica\Content\OEmbed; use Friendica\Content\OEmbed;
use Friendica\Content\Smilies; use Friendica\Content\Smilies;
use Friendica\Content\Text\Plaintext;
use Friendica\Core\Addon; use Friendica\Core\Addon;
use Friendica\Core\Cache; use Friendica\Core\Cache;
use Friendica\Core\Config; use Friendica\Core\Config;
use Friendica\Core\L10n; use Friendica\Core\L10n;
use Friendica\Core\Protocol;
use Friendica\Core\PConfig; use Friendica\Core\PConfig;
use Friendica\Core\Protocol;
use Friendica\Core\System; use Friendica\Core\System;
use Friendica\Model\Contact; use Friendica\Model\Contact;
use Friendica\Network\Probe;
use Friendica\Object\Image; use Friendica\Object\Image;
use Friendica\Util\Map; use Friendica\Util\Map;
use Friendica\Util\Network; use Friendica\Util\Network;
use Friendica\Util\ParseUrl; use Friendica\Util\ParseUrl;
use League\HTMLToMarkdown\HtmlConverter;
require_once "include/event.php"; require_once "include/event.php";
require_once "include/html2plain.php"; require_once "include/html2plain.php";
require_once "mod/proxy.php"; require_once "mod/proxy.php";
class BBCode class BBCode extends BaseObject
{ {
/** /**
* @brief Fetches attachment data that were generated the old way * @brief Fetches attachment data that were generated the old way
@ -173,7 +177,7 @@ class BBCode
} }
if ($title != "") { if ($title != "") {
$title = BBCode::convert(html_entity_decode($title, ENT_QUOTES, 'UTF-8'), false, true); $title = self::convert(html_entity_decode($title, ENT_QUOTES, 'UTF-8'), false, true);
$title = html_entity_decode($title, ENT_QUOTES, 'UTF-8'); $title = html_entity_decode($title, ENT_QUOTES, 'UTF-8');
$title = str_replace(["[", "]"], ["&#91;", "&#93;"], $title); $title = str_replace(["[", "]"], ["&#91;", "&#93;"], $title);
$data["title"] = $title; $data["title"] = $title;
@ -408,7 +412,7 @@ class BBCode
} }
} }
$html = BBCode::convert($post["text"].$post["after"], false, $htmlmode); $html = self::convert($post["text"].$post["after"], false, $htmlmode);
$msg = html2plain($html, 0, true); $msg = html2plain($html, 0, true);
$msg = trim(html_entity_decode($msg, ENT_QUOTES, 'UTF-8')); $msg = trim(html_entity_decode($msg, ENT_QUOTES, 'UTF-8'));
@ -705,7 +709,7 @@ class BBCode
} }
if ($data["description"] != "" && $data["description"] != $data["title"]) { if ($data["description"] != "" && $data["description"] != $data["title"]) {
$return .= sprintf('<blockquote>%s</blockquote>', trim(BBCode::convert($data["description"]))); $return .= sprintf('<blockquote>%s</blockquote>', trim(self::convert($data["description"])));
} }
if ($data["type"] == "link") { if ($data["type"] == "link") {
@ -1202,7 +1206,7 @@ class BBCode
$text = Cache::get($match[1]); $text = Cache::get($match[1]);
if (is_null($text)) { if (is_null($text)) {
$a = get_app(); $a = self::getApp();
$stamp1 = microtime(true); $stamp1 = microtime(true);
@ -1261,7 +1265,7 @@ class BBCode
$text = Cache::get($match[1]); $text = Cache::get($match[1]);
if (is_null($text)) { if (is_null($text)) {
$a = get_app(); $a = self::getApp();
$stamp1 = microtime(true); $stamp1 = microtime(true);
@ -1285,7 +1289,7 @@ class BBCode
$doc = new DOMDocument(); $doc = new DOMDocument();
@$doc->loadHTML($body); @$doc->loadHTML($body);
$xpath = new DomXPath($doc); $xpath = new DOMXPath($doc);
$list = $xpath->query("//meta[@name]"); $list = $xpath->query("//meta[@name]");
foreach ($list as $node) { foreach ($list as $node) {
$attr = []; $attr = [];
@ -1348,7 +1352,7 @@ class BBCode
*/ */
public static function convert($text, $try_oembed = true, $simple_html = false, $for_plaintext = false) public static function convert($text, $try_oembed = true, $simple_html = false, $for_plaintext = false)
{ {
$a = get_app(); $a = self::getApp();
/* /*
* preg_match_callback function to replace potential Oembed tags with Oembed content * preg_match_callback function to replace potential Oembed tags with Oembed content
@ -1978,4 +1982,148 @@ class BBCode
return $abstract; return $abstract;
} }
/**
* @brief Callback function to replace a Friendica style mention in a mention for Diaspora
*
* @param array $match Matching values for the callback
* @return string Replaced mention
*/
private static function bbCodeMention2DiasporaCallback($match)
{
$contact = Contact::getDetailsByURL($match[3]);
if (empty($contact['addr'])) {
$contact = Probe::uri($match[3]);
}
if (empty($contact['addr'])) {
return $match[0];
}
$mention = '@{' . $match[2] . '; ' . $contact['addr'] . '}';
return $mention;
}
/**
* @brief Converts a BBCode text into Markdown
*
* This function converts a BBCode item body to be sent to Markdown-enabled
* systems like Diaspora and Libertree
*
* @param string $text
* @param bool $for_diaspora Diaspora requires more changes than Libertree
* @return string
*/
public static function toMarkdown($text, $for_diaspora = true)
{
$a = self::getApp();
$original_text = $text;
// Since Diaspora is creating a summary for links, this function removes them before posting
if ($for_diaspora) {
$text = self::removeShareInformation($text);
}
/**
* Transform #tags, strip off the [url] and replace spaces with underscore
*/
$url_search_string = "^\[\]";
$text = preg_replace_callback("/#\[url\=([$url_search_string]*)\](.*?)\[\/url\]/i",
function ($matches) {
return '#' . str_replace(' ', '_', $matches[2]);
},
$text
);
// Converting images with size parameters to simple images. Markdown doesn't know it.
$text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $text);
// Extracting multi-line code blocks before the whitespace processing/code highlighter in self::convert()
$codeblocks = [];
$text = preg_replace_callback("#\[code(?:=([^\]]*))?\](.*?)\[\/code\]#is",
function ($matches) use (&$codeblocks) {
$return = $matches[0];
if (strpos($matches[2], "\n") !== false) {
$return = '#codeblock-' . count($codeblocks) . '#';
$prefix = '````' . $matches[1] . PHP_EOL;
$codeblocks[] = $prefix . trim($matches[2]) . PHP_EOL . '````';
}
return $return;
},
$text
);
// Convert it to HTML - don't try oembed
if ($for_diaspora) {
$text = self::convert($text, false, 3);
// Add all tags that maybe were removed
if (preg_match_all("/#\[url\=([$url_search_string]*)\](.*?)\[\/url\]/ism", $original_text, $tags)) {
$tagline = "";
foreach ($tags[2] as $tag) {
$tag = html_entity_decode($tag, ENT_QUOTES, 'UTF-8');
if (!strpos(html_entity_decode($text, ENT_QUOTES, 'UTF-8'), '#' . $tag)) {
$tagline .= '#' . $tag . ' ';
}
}
$text = $text . " " . $tagline;
}
} else {
$text = self::convert($text, false, 4);
}
// mask some special HTML chars from conversation to markdown
$text = str_replace(['&lt;', '&gt;', '&amp;'], ['&_lt_;', '&_gt_;', '&_amp_;'], $text);
// If a link is followed by a quote then there should be a newline before it
// Maybe we should make this newline at every time before a quote.
$text = str_replace(["</a><blockquote>"], ["</a><br><blockquote>"], $text);
$stamp1 = microtime(true);
// Now convert HTML to Markdown
$converter = new HtmlConverter();
$text = $converter->convert($text);
// unmask the special chars back to HTML
$text = str_replace(['&\_lt\_;', '&\_gt\_;', '&\_amp\_;'], ['&lt;', '&gt;', '&amp;'], $text);
$a->save_timestamp($stamp1, "parser");
// Libertree has a problem with escaped hashtags.
$text = str_replace(['\#'], ['#'], $text);
// Remove any leading or trailing whitespace, as this will mess up
// the Diaspora signature verification and cause the item to disappear
$text = trim($text);
if ($for_diaspora) {
$url_search_string = "^\[\]";
$text = preg_replace_callback(
"/([@]\[(.*?)\])\(([$url_search_string]*?)\)/ism",
['self', 'bbCodeMention2DiasporaCallback'],
$text
);
}
// Restore code blocks
$text = preg_replace_callback('/#codeblock-([0-9]+)#/iU',
function ($matches) use ($codeblocks) {
$return = '';
if (isset($codeblocks[intval($matches[1])])) {
$return = $codeblocks[$matches[1]];
}
return $return;
},
$text
);
Addon::callHooks('bb2diaspora', $text);
return $text;
}
} }

2
src/Content/Text/Markdown.php
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@ -87,7 +87,7 @@ class Markdown extends BaseObject
// Escaping the hash tags // Escaping the hash tags
$s = preg_replace('/\#([^\s\#])/', '&#35;$1', $s); $s = preg_replace('/\#([^\s\#])/', '&#35;$1', $s);
$s = Markdown::convert($s); $s = self::convert($s);
$regexp = "/@\{(?:([^\}]+?); )?([^\} ]+)\}/"; $regexp = "/@\{(?:([^\}]+?); )?([^\} ]+)\}/";
$s = preg_replace_callback($regexp, ['self', 'diasporaMention2BBCodeCallback'], $s); $s = preg_replace_callback($regexp, ['self', 'diasporaMention2BBCodeCallback'], $s);