Files
lodash/vendor/docdown/src/DocDown/Entry.php
John-David Dalton 839e52ba30 Organize docs by category. [closes #84]
Former-commit-id: f4ebda7c32a0ce9c5a86cdb0fd1e689f76557e42
2012-10-07 12:21:01 -07:00

426 lines
11 KiB
PHP

<?php
require(dirname(__FILE__) . "/Alias.php");
/**
* A class to simplify parsing a single JSDoc entry.
*/
class Entry {
/**
* The documentation entry.
*
* @memberOf Entry
* @type String
*/
public $entry = '';
/**
* The language highlighter used for code examples.
*
* @memberOf Entry
* @type String
*/
public $lang = '';
/**
* The source code.
*
* @memberOf Entry
* @type String
*/
public $source = '';
/*--------------------------------------------------------------------------*/
/**
* The Entry constructor.
*
* @constructor
* @param {String} $entry The documentation entry to analyse.
* @param {String} $source The source code.
* @param {String} [$lang ='js'] The language highlighter used for code examples.
*/
public function __construct( $entry, $source, $lang = 'js' ) {
$this->entry = $entry;
$this->lang = $lang;
$this->source = str_replace(PHP_EOL, "\n", $source);
}
/*--------------------------------------------------------------------------*/
/**
* Extracts the documentation entries from source code.
*
* @static
* @memberOf Entry
* @param {String} $source The source code.
* @returns {Array} The array of entries.
*/
public static function getEntries( $source ) {
preg_match_all('#/\*\*(?![-!])[\s\S]*?\*/\s*[^\n]+#', $source, $result);
return array_pop($result);
}
/*--------------------------------------------------------------------------*/
/**
* Checks if the entry is a function reference.
*
* @private
* @memberOf Entry
* @returns {Boolean} Returns `true` if the entry is a function reference, else `false`.
*/
private function isFunction() {
if (!isset($this->_isFunction)) {
$this->_isFunction = !!(
$this->isCtor() ||
count($this->getParams()) ||
count($this->getReturns()) ||
preg_match('/\* *@function\b/', $this->entry)
);
}
return $this->_isFunction;
}
/*--------------------------------------------------------------------------*/
/**
* Extracts the entry's `alias` objects.
*
* @memberOf Entry
* @param {Number} $index The index of the array value to return.
* @returns {Array|String} The entry's `alias` objects.
*/
public function getAliases( $index = null ) {
if (!isset($this->_aliases)) {
preg_match('#\* *@alias\s+([^\n]+)#', $this->entry, $result);
if (count($result)) {
$result = trim(preg_replace('/(?:^|\n)\s*\* ?/', ' ', $result[1]));
$result = preg_split('/,\s*/', $result);
natsort($result);
foreach ($result as $resultIndex => $value) {
$result[$resultIndex] = new Alias($value, $this);
}
}
$this->_aliases = $result;
}
return $index !== null
? @$this->_aliases[$index]
: $this->_aliases;
}
/**
* Extracts the function call from the entry.
*
* @memberOf Entry
* @returns {String} The function call.
*/
public function getCall() {
if (isset($this->_call)) {
return $this->_call;
}
preg_match('#\*/\s*(?:function ([^(]*)|(.*?)(?=[:=,]|return\b))#', $this->entry, $result);
if ($result = array_pop($result)) {
$result = array_pop(explode('var ', trim(trim(array_pop(explode('.', $result))), "'")));
}
// resolve name
// avoid $this->getName() because it calls $this->getCall()
preg_match('#\* *@name\s+([^\n]+)#', $this->entry, $name);
if (count($name)) {
$name = trim($name[1]);
} else {
$name = $result;
}
// compile function call syntax
if ($this->isFunction()) {
// compose parts
$result = array($result);
$params = $this->getParams();
foreach ($params as $param) {
$result[] = $param[1];
}
// format
$result = $name .'('. implode(array_slice($result, 1), ', ') .')';
$result = str_replace(', [', ' [, ', str_replace('], [', ', ', $result));
}
$this->_call = $result ? $result : $name;
return $this->_call;
}
/**
* Extracts the entry's `category` data.
*
* @memberOf Entry
* @returns {String} The entry's `category` data.
*/
public function getCategory() {
if (isset($this->_category)) {
return $this->_category;
}
preg_match('#\* *@category\s+([^\n]+)#', $this->entry, $result);
if (count($result)) {
$result = trim(preg_replace('/(?:^|\n)\s*\* ?/', ' ', $result[1]));
} else {
$result = $this->getType() == 'Function' ? 'Methods' : 'Properties';
}
$this->_category = $result;
return $result;
}
/**
* Extracts the entry's description.
*
* @memberOf Entry
* @returns {String} The entry's description.
*/
public function getDesc() {
if (isset($this->_desc)) {
return $this->_desc;
}
preg_match('#/\*\*(?:\s*\*)?([\s\S]*?)(?=\*\s\@[a-z]|\*/)#', $this->entry, $result);
if (count($result)) {
$type = $this->getType();
$result = trim(preg_replace('/(?:^|\n)\s*\* ?/', ' ', $result[1]));
$result = ($type == 'Function' ? '' : '(' . str_replace('|', ', ', trim($type, '{}')) . '): ') . $result;
}
$this->_desc = $result;
return $result;
}
/**
* Extracts the entry's `example` data.
*
* @memberOf Entry
* @returns {String} The entry's `example` data.
*/
public function getExample() {
if (isset($this->_example)) {
return $this->_example;
}
preg_match('#\* *@example\s+([\s\S]*?)(?=\*\s\@[a-z]|\*/)#', $this->entry, $result);
if (count($result)) {
$result = trim(preg_replace('/(?:^|\n)\s*\* ?/', "\n", $result[1]));
$result = '```' . $this->lang . "\n" . $result . "\n```";
}
$this->_example = $result;
return $result;
}
/**
* Resolves the entry's line number.
*
* @memberOf Entry
* @returns {Number} The entry's line number.
*/
public function getLineNumber() {
if (!isset($this->_lineNumber)) {
preg_match_all('/\n/', substr($this->source, 0, strrpos($this->source, $this->entry) + strlen($this->entry)), $lines);
$this->_lineNumber = count(array_pop($lines)) + 1;
}
return $this->_lineNumber;
}
/**
* Extracts the entry's `member` data.
*
* @memberOf Entry
* @param {Number} $index The index of the array value to return.
* @returns {Array|String} The entry's `member` data.
*/
public function getMembers( $index = null ) {
if (!isset($this->_members)) {
preg_match('#\* *@member(?:Of)?\s+([^\n]+)#', $this->entry, $result);
if (count($result)) {
$result = trim(preg_replace('/(?:^|\n)\s*\* ?/', ' ', $result[1]));
$result = preg_split('/,\s*/', $result);
natsort($result);
}
$this->_members = $result;
}
return $index !== null
? @$this->_members[$index]
: $this->_members;
}
/**
* Extracts the entry's `name` data.
*
* @memberOf Entry
* @returns {String} The entry's `name` data.
*/
public function getName() {
if (isset($this->_name)) {
return $this->_name;
}
preg_match('#\* *@name\s+([^\n]+)#', $this->entry, $result);
if (count($result)) {
$result = trim(preg_replace('/(?:^|\n)\s*\* ?/', ' ', $result[1]));
} else {
$result = array_shift(explode('(', $this->getCall()));
}
$this->_name = $result;
return $result;
}
/**
* Extracts the entry's `param` data.
*
* @memberOf Entry
* @param {Number} $index The index of the array value to return.
* @returns {Array} The entry's `param` data.
*/
public function getParams( $index = null ) {
if (!isset($this->_params)) {
preg_match_all('#\* *@param\s+\{([^}]+)\}\s+(\[.+\]|[$\w|]+(?:\[.+\])?)\s+([\s\S]*?)(?=\*\s\@[a-z]|\*/)#i', $this->entry, $result);
if (count($result = array_filter(array_slice($result, 1)))) {
// repurpose array
foreach ($result as $param) {
foreach ($param as $key => $value) {
if (!is_array($result[0][$key])) {
$result[0][$key] = array();
}
$result[0][$key][] = trim(preg_replace('/(?:^|\n)\s*\* */', ' ', $value));
}
}
$result = $result[0];
}
$this->_params = $result;
}
return $index !== null
? @$this->_params[$index]
: $this->_params;
}
/**
* Extracts the entry's `returns` data.
*
* @memberOf Entry
* @returns {String} The entry's `returns` data.
*/
public function getReturns() {
if (isset($this->_returns)) {
return $this->_returns;
}
preg_match('#\* *@returns\s+\{([^}]+)\}\s+([\s\S]*?)(?=\*\s\@[a-z]|\*/)#', $this->entry, $result);
if (count($result)) {
$result = array_map('trim', array_slice($result, 1));
$result[0] = str_replace('|', ', ', $result[0]);
$result[1] = preg_replace('/(?:^|\n)\s*\* ?/', ' ', $result[1]);
}
$this->_returns = $result;
return $result;
}
/**
* Extracts the entry's `type` data.
*
* @memberOf Entry
* @returns {String} The entry's `type` data.
*/
public function getType() {
if (isset($this->_type)) {
return $this->_type;
}
preg_match('#\* *@type\s+([^\n]+)#', $this->entry, $result);
if (count($result)) {
$result = trim(preg_replace('/(?:^|\n)\s*\* ?/', ' ', $result[1]));
} else {
$result = $this->isFunction() ? 'Function' : 'Unknown';
}
$this->_type = $result;
return $result;
}
/**
* Checks if the entry is an alias.
*
* @memberOf Entry
* @returns {Boolean} Returns `false`.
*/
public function isAlias() {
return false;
}
/**
* Checks if the entry is a constructor.
*
* @memberOf Entry
* @returns {Boolean} Returns `true` if a constructor, else `false`.
*/
public function isCtor() {
if (!isset($this->_isCtor)) {
$this->_isCtor = !!preg_match('/\* *@constructor\b/', $this->entry);
}
return $this->_isCtor;
}
/**
* Checks if the entry *is* assigned to a prototype.
*
* @memberOf Entry
* @returns {Boolean} Returns `true` if assigned to a prototype, else `false`.
*/
public function isPlugin() {
if (!isset($this->_isPlugin)) {
$this->_isPlugin = !$this->isCtor() && !$this->isPrivate() && !$this->isStatic();
}
return $this->_isPlugin;
}
/**
* Checks if the entry is private.
*
* @memberOf Entry
* @returns {Boolean} Returns `true` if private, else `false`.
*/
public function isPrivate() {
if (!isset($this->_isPrivate)) {
$this->_isPrivate = !!preg_match('/\* *@private\b/', $this->entry) || !preg_match('/\* *@[a-z]+\b/', $this->entry);
}
return $this->_isPrivate;
}
/**
* Checks if the entry is *not* assigned to a prototype.
*
* @memberOf Entry
* @returns {Boolean} Returns `true` if not assigned to a prototype, else `false`.
*/
public function isStatic() {
if (isset($this->_isStatic)) {
return $this->_isStatic;
}
$public = !$this->isPrivate();
$result = $public && !!preg_match('/\* *@static\b/', $this->entry);
// set in cases where it isn't explicitly stated
if ($public && !$result) {
if ($parent = array_pop(preg_split('/[#.]/', $this->getMembers(0)))) {
foreach (Entry::getEntries($this->source) as $entry) {
$entry = new Entry($entry, $this->source);
if ($entry->getName() == $parent) {
$result = !$entry->isCtor();
break;
}
}
} else {
$result = true;
}
}
$this->_isStatic = $result;
return $result;
}
}
?>