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Overhual image parsedown extension again.

Made a *ton* of bug fixes and stability improvements too.
This commit is contained in:
Starbeamrainbowlabs 2016-04-08 09:01:12 +01:00
parent 7b638725ff
commit 03c52c06a1
6 changed files with 291 additions and 63 deletions

View file

@ -506,7 +506,7 @@ function human_filesize($bytes, $decimals = 2)
}
/**
* Calculates the time sincce a particular timestamp and returns a
* Calculates the time since a particular timestamp and returns a
* human-readable result.
* From http://goo.gl/zpgLgq.
* @param integer $time The timestamp to convert.
@ -697,9 +697,12 @@ function mb_stripos_all($haystack, $needle) {
/**
* Returns the system's mime type mappings, considering the first extension
* listed to be cacnonical.
* From http://stackoverflow.com/a/1147952/1460422 by chaos.
* Edited by Starbeamrainbowlabs.
* @return array An array of mime type mappings.
*/
function system_mime_type_extensions() {
function system_mime_type_extensions()
{
global $settings;
$out = array();
$file = fopen($settings->mime_extension_mappings_location, 'r');
@ -717,18 +720,62 @@ function system_mime_type_extensions() {
fclose($file);
return $out;
}
/**
* Converts a given mime type to it's associated file extension.
* From http://stackoverflow.com/a/1147952/1460422 by chaos.
* Edited by Starbeamrainbowlabs.
* @param string $type The mime type to convert.
* @return string The extension for the given mime type.
*/
function system_mime_type_extension($type) {
function system_mime_type_extension($type)
{
static $exts;
if(!isset($exts))
$exts = system_mime_type_extensions();
return isset($exts[$type]) ? $exts[$type] : null;
}
/**
* Returns the system MIME type mapping of extensions to MIME types.
* From http://stackoverflow.com/a/1147952/1460422 by chaos.
* Edited by Starbeamrainbowlabs.
* @return array An array mapping file extensions to their associated mime types.
*/
function system_extension_mime_types()
{
global $settings;
$out = array();
$file = fopen($settings->mime_extension_mappings_location, 'r');
while(($line = fgets($file)) !== false) {
$line = trim(preg_replace('/#.*/', '', $line));
if(!$line)
continue;
$parts = preg_split('/\s+/', $line);
if(count($parts) == 1)
continue;
$type = array_shift($parts);
foreach($parts as $part)
$out[$part] = $type;
}
fclose($file);
return $out;
}
/**
* Converts a given file extension to it's associated mime type.
* From http://stackoverflow.com/a/1147952/1460422 by chaos.
* Edited by Starbeamrainbowlabs.
* @param string $ext The extension to convert.
* @return string The mime type associated with the given extension.
*/
function system_extension_mime_type($ext) {
static $types;
if(!isset($types))
$types = system_extension_mime_types();
$ext = strtolower($ext);
return isset($types[$ext]) ? $types[$ext] : null;
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
@ -2603,6 +2650,14 @@ register_module([
add_action("preview", function() {
global $settings, $env, $pageindex, $start_time;
if(empty($pageindex->{$env->page}->uploadedfilepath))
{
$im = errorimage("The page '$env->page' doesn't have an associated file.");
header("content-type: image/png");
imagepng($im);
exit();
}
$filepath = $env->storage_prefix . $pageindex->{$env->page}->uploadedfilepath;
$mime_type = $pageindex->{$env->page}->uploadedfilemime;
@ -2875,6 +2930,18 @@ register_module([
"thing_url" => "https://github.com/sbrl/Pepprminty-Wiki",
"icon" => "https://avatars0.githubusercontent.com/u/9929737?v=3&s=24"
],
"Mime type to file extension mapper" => [
"author" => "Chaos",
"author_url" => "https://stackoverflow.com/users/47529/chaos",
"thing_url" => "https://stackoverflow.com/a/1147952/1460422",
"icon" => "https://www.gravatar.com/avatar/aaee40db39ad6b164cfb89cb6ad4d176?s=328&d=identicon&s=24"
],
"Parsedown" => [
"author" => "erusev and others",
"author_url" => "https://github.com/erusev/",
"thing_url" => "https://github.com/erusev/parsedown/",
"icon" => "https://avatars1.githubusercontent.com/u/184170?v=3&s=24"
],
"Slightly modified version of Slimdown" => [
"author" => "Johnny Broadway",
"author_url" => "https://github.com/jbroadway",
@ -4140,8 +4207,12 @@ class PeppermintParsedown extends ParsedownExtra
// Variable parsing
if(preg_match("/\{\{\{([^}]+)\}\}\}/", $fragment["text"], $matches))
{
$stackEntry = array_slice($this->paramStack, -1)[0];
$params = !empty($stackEntry) ? $stackEntry["params"] : false;
$params = [];
if(!empty($this->paramStack))
{
$stackEntry = array_slice($this->paramStack, -1)[0];
$params = !empty($stackEntry) ? $stackEntry["params"] : false;
}
$variableKey = trim($matches[1]);
@ -4168,6 +4239,8 @@ class PeppermintParsedown extends ParsedownExtra
$variableValue .= "\t<li>" . $curStackEntry["pagename"] . "</li>\n";
}
$variableValue .= "</ol>\n";
break;
// TODO: Add a option that displays a list of subpages here
}
if(isset($params[$variableKey]))
{
@ -4199,11 +4272,11 @@ class PeppermintParsedown extends ParsedownExtra
protected function templateHandler($source)
{
global $pageindex, $paths;
global $pageindex, $env;
$parts = explode("|", trim($source, "{}"));
$parts = array_map(trim, $parts);
$parts = array_map("trim", $parts);
// Extract the name of the temaplate page
$templatePagename = array_shift($parts);
@ -4222,7 +4295,7 @@ class PeppermintParsedown extends ParsedownExtra
{
// This param contains an equals sign, so it's a named parameter
$keyValuePair = explode("=", $part, 2);
$keyValuePair = array_map(trim, $keyValuePair);
$keyValuePair = array_map("trim", $keyValuePair);
$params[$keyValuePair[0]] = $keyValuePair[1];
}
else
@ -4239,7 +4312,7 @@ class PeppermintParsedown extends ParsedownExtra
"params" => $params
];
$templateFilePath = $paths->storage_prefix . $pageindex->$templatePagename->filename;
$templateFilePath = $env->storage_prefix . $pageindex->$templatePagename->filename;
$parsedTemplateSource = $this->text(file_get_contents($templateFilePath));
@ -4290,7 +4363,7 @@ class PeppermintParsedown extends ParsedownExtra
protected function inlineExtendedImage($fragment)
{
if(preg_match('/^!\[(.*)\]\(([^ |)]+)\s*\|([^|)]*)(?:\|([^)]*))?\)/', $fragment["text"], $matches))
if(preg_match('/^!\[(.*)\]\(([^ |)]+)\s*(?:\|([^|)]*)(?:\|([^)]*))?)?\)/', $fragment["text"], $matches))
{
/*
* 0 - Everything
@ -4300,52 +4373,93 @@ class PeppermintParsedown extends ParsedownExtra
* 4 - Second Param (optional)
*/
var_dump($matches);
$altText = $matches[1];
$imageUrl = $matches[2];
$param1 = strtolower(trim($matches[3]));
$imageUrl = str_replace("&amp;", "&", $matches[2]); // Decode & to allow it in preview urls
$param1 = !empty($matches[3]) ? strtolower(trim($matches[3])) : false;
$param2 = empty($matches[4]) ? false : strtolower(trim($matches[4]));
$floatDirection = false;
$imageSize = false;
if($this->isFloatValue($param1))
{
// Param 1 is a valid css float: ... value
$floatDirection = $param1;
$imageSize = $this->parseSizeSpec($param2);
}
else if($this->isFloatValue($param2))
{
// Param 2 is a valid css float: ... value
$floatDirection = $param2;
$imageSize = $this->parseSizeSpec($param1);
}
else if($param1 === false and $param2 === false)
{
// Neither params were specified
$floatDirection = false;
$imageSize = false;
}
else
{
// Neither of them are floats, but at least one is specified
// This must mean that the first param is a size spec like
// 250x128.
$imageSize = $this->parseSizeSpec($param1);
}
// If they are both invalid then something very strange is going on
// Let the built in parsedown image handler deal with it
if($imageSize === false && $floatDirection === false)
return;
$style = "";
if($imageSize !== false)
$style .= " max-width: " . $imageSize["x"] . "px; max-height: " . $imageSize["y"] . "px;";
if($floatDirection)
$style .= " float: $floatDirection;";
return [
"extent" => strlen($matches[0]),
"element" => [
"name" => "img",
"attributes" => [
"src" => $imageUrl,
"alt" => $altText,
"style" => trim($style)
]
]
];
$urlExtension = pathinfo($imageUrl, PATHINFO_EXTENSION);
$urlType = system_extension_mime_type($urlExtension);
switch(substr($urlType, 0, strpos($urlType, "/")))
{
case "audio":
return [
"extent" => strlen($matches[0]),
"element" => [
"name" => "audio",
"text" => $altText,
"attributes" => [
"src" => $imageUrl,
"controls" => "controls",
"preload" => "metadata",
"style" => trim($style)
]
]
];
case "video":
return [
"extent" => strlen($matches[0]),
"element" => [
"name" => "video",
"text" => $altText,
"attributes" => [
"src" => $imageUrl,
"controls" => "controls",
"preload" => "metadata",
"style" => trim($style)
]
]
];
case "image":
default:
// If we can't work out what it is, then assume it's an image
return [
"extent" => strlen($matches[0]),
"element" => [
"name" => "img",
"attributes" => [
"src" => $imageUrl,
"alt" => $altText,
"style" => trim($style)
]
]
];
}
}
}

View file

@ -105,7 +105,7 @@ function human_filesize($bytes, $decimals = 2)
}
/**
* Calculates the time sincce a particular timestamp and returns a
* Calculates the time since a particular timestamp and returns a
* human-readable result.
* From http://goo.gl/zpgLgq.
* @param integer $time The timestamp to convert.
@ -296,9 +296,12 @@ function mb_stripos_all($haystack, $needle) {
/**
* Returns the system's mime type mappings, considering the first extension
* listed to be cacnonical.
* From http://stackoverflow.com/a/1147952/1460422 by chaos.
* Edited by Starbeamrainbowlabs.
* @return array An array of mime type mappings.
*/
function system_mime_type_extensions() {
function system_mime_type_extensions()
{
global $settings;
$out = array();
$file = fopen($settings->mime_extension_mappings_location, 'r');
@ -316,18 +319,62 @@ function system_mime_type_extensions() {
fclose($file);
return $out;
}
/**
* Converts a given mime type to it's associated file extension.
* From http://stackoverflow.com/a/1147952/1460422 by chaos.
* Edited by Starbeamrainbowlabs.
* @param string $type The mime type to convert.
* @return string The extension for the given mime type.
*/
function system_mime_type_extension($type) {
function system_mime_type_extension($type)
{
static $exts;
if(!isset($exts))
$exts = system_mime_type_extensions();
return isset($exts[$type]) ? $exts[$type] : null;
}
/**
* Returns the system MIME type mapping of extensions to MIME types.
* From http://stackoverflow.com/a/1147952/1460422 by chaos.
* Edited by Starbeamrainbowlabs.
* @return array An array mapping file extensions to their associated mime types.
*/
function system_extension_mime_types()
{
global $settings;
$out = array();
$file = fopen($settings->mime_extension_mappings_location, 'r');
while(($line = fgets($file)) !== false) {
$line = trim(preg_replace('/#.*/', '', $line));
if(!$line)
continue;
$parts = preg_split('/\s+/', $line);
if(count($parts) == 1)
continue;
$type = array_shift($parts);
foreach($parts as $part)
$out[$part] = $type;
}
fclose($file);
return $out;
}
/**
* Converts a given file extension to it's associated mime type.
* From http://stackoverflow.com/a/1147952/1460422 by chaos.
* Edited by Starbeamrainbowlabs.
* @param string $ext The extension to convert.
* @return string The mime type associated with the given extension.
*/
function system_extension_mime_type($ext) {
static $types;
if(!isset($types))
$types = system_extension_mime_types();
$ext = strtolower($ext);
return isset($types[$ext]) ? $types[$ext] : null;
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////

View file

@ -68,7 +68,7 @@
"author": "Starbeamrainbowlabs",
"description": "Adds the ability to upload files to Pepperminty Wiki. Uploaded files act as pages and have the special 'File:' prefix.",
"id": "feature-upload",
"lastupdate": 1460096484,
"lastupdate": 1460102225,
"optional": false
},
{
@ -77,7 +77,7 @@
"author": "Starbeamrainbowlabs",
"description": "Adds the credits page. You *must* have this module :D",
"id": "page-credits",
"lastupdate": 1458906058,
"lastupdate": 1460100376,
"optional": false
},
{
@ -194,7 +194,7 @@
"author": "Emanuil Rusev & Starbeamrainbowlabs",
"description": "An upgraded (now default!) parser based on Emanuil Rusev's Parsedown Extra PHP library (https:\/\/github.com\/erusev\/parsedown-extra), which is licensed MIT. Please be careful, as this module adds a some weight to your installation, and also *requires* write access to the disk on first load.",
"id": "parser-parsedown",
"lastupdate": 1459172723,
"lastupdate": 1460102415,
"optional": false
}
]

View file

@ -182,6 +182,14 @@ register_module([
add_action("preview", function() {
global $settings, $env, $pageindex, $start_time;
if(empty($pageindex->{$env->page}->uploadedfilepath))
{
$im = errorimage("The page '$env->page' doesn't have an associated file.");
header("content-type: image/png");
imagepng($im);
exit();
}
$filepath = $env->storage_prefix . $pageindex->{$env->page}->uploadedfilepath;
$mime_type = $pageindex->{$env->page}->uploadedfilemime;

View file

@ -24,6 +24,18 @@ register_module([
"thing_url" => "https://github.com/sbrl/Pepprminty-Wiki",
"icon" => "https://avatars0.githubusercontent.com/u/9929737?v=3&s=24"
],
"Mime type to file extension mapper" => [
"author" => "Chaos",
"author_url" => "https://stackoverflow.com/users/47529/chaos",
"thing_url" => "https://stackoverflow.com/a/1147952/1460422",
"icon" => "https://www.gravatar.com/avatar/aaee40db39ad6b164cfb89cb6ad4d176?s=328&d=identicon&s=24"
],
"Parsedown" => [
"author" => "erusev and others",
"author_url" => "https://github.com/erusev/",
"thing_url" => "https://github.com/erusev/parsedown/",
"icon" => "https://avatars1.githubusercontent.com/u/184170?v=3&s=24"
],
"Slightly modified version of Slimdown" => [
"author" => "Johnny Broadway",
"author_url" => "https://github.com/jbroadway",

View file

@ -89,8 +89,12 @@ class PeppermintParsedown extends ParsedownExtra
// Variable parsing
if(preg_match("/\{\{\{([^}]+)\}\}\}/", $fragment["text"], $matches))
{
$stackEntry = array_slice($this->paramStack, -1)[0];
$params = !empty($stackEntry) ? $stackEntry["params"] : false;
$params = [];
if(!empty($this->paramStack))
{
$stackEntry = array_slice($this->paramStack, -1)[0];
$params = !empty($stackEntry) ? $stackEntry["params"] : false;
}
$variableKey = trim($matches[1]);
@ -117,6 +121,8 @@ class PeppermintParsedown extends ParsedownExtra
$variableValue .= "\t<li>" . $curStackEntry["pagename"] . "</li>\n";
}
$variableValue .= "</ol>\n";
break;
// TODO: Add a option that displays a list of subpages here
}
if(isset($params[$variableKey]))
{
@ -148,11 +154,11 @@ class PeppermintParsedown extends ParsedownExtra
protected function templateHandler($source)
{
global $pageindex, $paths;
global $pageindex, $env;
$parts = explode("|", trim($source, "{}"));
$parts = array_map(trim, $parts);
$parts = array_map("trim", $parts);
// Extract the name of the temaplate page
$templatePagename = array_shift($parts);
@ -171,7 +177,7 @@ class PeppermintParsedown extends ParsedownExtra
{
// This param contains an equals sign, so it's a named parameter
$keyValuePair = explode("=", $part, 2);
$keyValuePair = array_map(trim, $keyValuePair);
$keyValuePair = array_map("trim", $keyValuePair);
$params[$keyValuePair[0]] = $keyValuePair[1];
}
else
@ -188,7 +194,7 @@ class PeppermintParsedown extends ParsedownExtra
"params" => $params
];
$templateFilePath = $paths->storage_prefix . $pageindex->$templatePagename->filename;
$templateFilePath = $env->storage_prefix . $pageindex->$templatePagename->filename;
$parsedTemplateSource = $this->text(file_get_contents($templateFilePath));
@ -239,7 +245,7 @@ class PeppermintParsedown extends ParsedownExtra
protected function inlineExtendedImage($fragment)
{
if(preg_match('/^!\[(.*)\]\(([^ |)]+)\s*\|([^|)]*)(?:\|([^)]*))?\)/', $fragment["text"], $matches))
if(preg_match('/^!\[(.*)\]\(([^ |)]+)\s*(?:\|([^|)]*)(?:\|([^)]*))?)?\)/', $fragment["text"], $matches))
{
/*
* 0 - Everything
@ -249,52 +255,93 @@ class PeppermintParsedown extends ParsedownExtra
* 4 - Second Param (optional)
*/
var_dump($matches);
$altText = $matches[1];
$imageUrl = $matches[2];
$param1 = strtolower(trim($matches[3]));
$imageUrl = str_replace("&amp;", "&", $matches[2]); // Decode & to allow it in preview urls
$param1 = !empty($matches[3]) ? strtolower(trim($matches[3])) : false;
$param2 = empty($matches[4]) ? false : strtolower(trim($matches[4]));
$floatDirection = false;
$imageSize = false;
if($this->isFloatValue($param1))
{
// Param 1 is a valid css float: ... value
$floatDirection = $param1;
$imageSize = $this->parseSizeSpec($param2);
}
else if($this->isFloatValue($param2))
{
// Param 2 is a valid css float: ... value
$floatDirection = $param2;
$imageSize = $this->parseSizeSpec($param1);
}
else if($param1 === false and $param2 === false)
{
// Neither params were specified
$floatDirection = false;
$imageSize = false;
}
else
{
// Neither of them are floats, but at least one is specified
// This must mean that the first param is a size spec like
// 250x128.
$imageSize = $this->parseSizeSpec($param1);
}
// If they are both invalid then something very strange is going on
// Let the built in parsedown image handler deal with it
if($imageSize === false && $floatDirection === false)
return;
$style = "";
if($imageSize !== false)
$style .= " max-width: " . $imageSize["x"] . "px; max-height: " . $imageSize["y"] . "px;";
if($floatDirection)
$style .= " float: $floatDirection;";
return [
"extent" => strlen($matches[0]),
"element" => [
"name" => "img",
"attributes" => [
"src" => $imageUrl,
"alt" => $altText,
"style" => trim($style)
]
]
];
$urlExtension = pathinfo($imageUrl, PATHINFO_EXTENSION);
$urlType = system_extension_mime_type($urlExtension);
switch(substr($urlType, 0, strpos($urlType, "/")))
{
case "audio":
return [
"extent" => strlen($matches[0]),
"element" => [
"name" => "audio",
"text" => $altText,
"attributes" => [
"src" => $imageUrl,
"controls" => "controls",
"preload" => "metadata",
"style" => trim($style)
]
]
];
case "video":
return [
"extent" => strlen($matches[0]),
"element" => [
"name" => "video",
"text" => $altText,
"attributes" => [
"src" => $imageUrl,
"controls" => "controls",
"preload" => "metadata",
"style" => trim($style)
]
]
];
case "image":
default:
// If we can't work out what it is, then assume it's an image
return [
"extent" => strlen($matches[0]),
"element" => [
"name" => "img",
"attributes" => [
"src" => $imageUrl,
"alt" => $altText,
"style" => trim($style)
]
]
];
}
}
}