379 lines
9.8 KiB
PHP
379 lines
9.8 KiB
PHP
#!/usr/bin/env php
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<?php
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/**
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* Documentation generator
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*
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* This scripts scans all files in the lib/ directory, and generates
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* Google Code wiki documentation.
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*
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* This script is rather crappy. It does what it needs to do, but uses global
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* variables and it might be a hard to read.
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*
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* I'm not sure if I care though. Maybe one day this can become a separate
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* project
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*
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* To run this script, just execute on the command line. The script assumes
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* it's in the standard bin/ directory.
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*/
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date_default_timezone_set('UTC');
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$libDir = realpath(__DIR__ . '/../lib');
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$outputDir = __DIR__ . '/../docs/wikidocs';
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if (!is_dir($outputDir)) mkdir($outputDir);
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$files = new RecursiveDirectoryIterator($libDir);
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$files = new RecursiveIteratorIterator($files, RecursiveIteratorIterator::LEAVES_ONLY);
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include_once $libDir . '/Sabre/autoload.php';
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// Finding all classnames
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$classNames = findClassNames($files);
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echo "Found: " . count($classNames) . " classes and interfaces\n";
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echo "Generating class tree\n";
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$classTree = getClassTree($classNames);
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$packageList = array();
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foreach($classNames as $className) {
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echo "Creating docs for: " . $className . "\n";
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$output = createDoc($className,isset($classTree[$className])?$classTree[$className]:array());
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file_put_contents($outputDir . '/' . $className . '.wiki', $output);
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}
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echo "Creating indexes\n";
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$output = createSidebarIndex($packageList);
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file_put_contents($outputDir . '/APIIndex.wiki', $output);
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function findClassNames($files) {
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$classNames = array();
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foreach($files as $fileName=>$fileInfo) {
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$tokens = token_get_all(file_get_contents($fileName));
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foreach($tokens as $tokenIndex=>$token) {
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if ($token[0]===T_CLASS || $token[0]===T_INTERFACE) {
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$classNames[] = $tokens[$tokenIndex+2][1];
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}
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}
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}
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return $classNames;
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}
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function getClassTree($classNames) {
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$classTree = array();
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foreach($classNames as $className) {
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if (!class_exists($className) && !interface_exists($className)) continue;
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$rClass = new ReflectionClass($className);
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$parent = $rClass->getParentClass();
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if ($parent) $parent = $parent->name;
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if (!isset($classTree[$parent])) $classTree[$parent] = array();
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$classTree[$parent][] = $className;
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foreach($rClass->getInterfaceNames() as $interface) {
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if (!isset($classTree[$interface])) {
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$classTree[$interface] = array();
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}
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$classTree[$interface][] = $className;
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}
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}
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return $classTree;
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}
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function createDoc($className, $extendedBy) {
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// ew
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global $packageList;
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ob_start();
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$rClass = new ReflectionClass($className);
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echo "#summary API documentation for: ", $rClass->getName() , "\n";
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echo "#labels APIDoc\n";
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echo "#sidebar APIIndex\n";
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echo "=`" . $rClass->getName() . "`=\n";
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echo "\n";
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$docs = parseDocs($rClass->getDocComment());
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echo $docs['description'] . "\n";
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echo "\n";
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$parentClass = $rClass->getParentClass();
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if($parentClass) {
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echo " * Parent class: [" . $parentClass->getName() . "]\n";
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}
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if ($interfaces = $rClass->getInterfaceNames()) {
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$interfaces = array_map(function($int) { return '[' . $int . ']'; },$interfaces);
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echo " * Implements: " . implode(", ", $interfaces) . "\n";
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}
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$classType = $rClass->isInterface()?'interface':'class';
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if (isset($docs['deprecated'])) {
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echo " * *Warning: This $classType is deprecated, and should not longer be used.*\n";
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}
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if ($rClass->isInterface()) {
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echo " * This is an interface.\n";
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} elseif ($rClass->isAbstract()) {
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echo " * This is an abstract class.\n";
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}
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if (isset($docs['package'])) {
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$package = $docs['package'];
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if (isset($docs['subpackage'])) {
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$package.='_' . $docs['subpackage'];
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}
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if (!isset($packageList[$package])) {
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$packageList[$package] = array();
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}
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$packageList[$package][] = $rClass->getName();
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}
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if ($extendedBy) {
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echo "\n";
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if ($classType==='interface') {
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echo "This interface is extended by the following interfaces:\n";
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foreach($extendedBy as $className) {
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if (interface_exists($className)) {
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echo " * [" . $className . "]\n";
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}
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}
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echo "\n";
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echo "This interface is implemented by the following classes:\n";
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} else {
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echo "This class is extended by the following classes:\n";
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}
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foreach($extendedBy as $className) {
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if (class_exists($className)) {
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echo " * [" . $className . "]\n";
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}
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}
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echo "\n";
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}
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echo "\n";
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echo "==Properties==\n";
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echo "\n";
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$properties = $rClass->getProperties(ReflectionProperty::IS_STATIC | ReflectionProperty::IS_PUBLIC | ReflectionProperty::IS_PROTECTED);
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if (count($properties)>0) {
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foreach($properties as $rProperty) {
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createPropertyDoc($rProperty);
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}
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} else {
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echo "This $classType does not define any public or protected properties.\n";
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}
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echo "\n";
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echo "==Methods==\n";
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echo "\n";
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$methods = $rClass->getMethods(ReflectionMethod::IS_PUBLIC | ReflectionMethod::IS_PROTECTED);
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if (count($methods)>0) {
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foreach($methods as $rMethod) {
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createMethodDoc($rMethod, $rClass);
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}
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} else {
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echo "\nThis $classType does not define any public or protected methods.\n";
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}
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return ob_get_clean();
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}
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function createMethodDoc($rMethod, $rClass) {
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echo "===`" . $rMethod->getName() . "`===\n";
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echo "\n";
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$docs = parseDocs($rMethod->getDocComment());
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$return = isset($docs['return'])?$docs['return']:'void';
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echo "{{{\n";
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echo $return . " " . $rMethod->class . "::" . $rMethod->getName() . "(";
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foreach($rMethod->getParameters() as $parameter) {
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if ($parameter->getPosition()>0) echo ", ";
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if ($class = $parameter->getClass()) {
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echo $class->name . " ";
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} elseif (isset($docs['param'][$parameter->name])) {
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echo $docs['param'][$parameter->name] . " ";
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}
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echo '$' . $parameter->name;
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if ($parameter->isOptional() && $parameter->isDefaultValueAvailable()) {
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$default = $parameter->getDefaultValue();
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$default = var_export($default,true);
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$default = str_replace("\n","",$default);
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echo " = " . $default;
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}
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}
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echo ")\n";
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echo "}}}\n";
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echo "\n";
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echo $docs['description'] . "\n";
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echo "\n";
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$hasProp = false;
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if (isset($docs['deprecated'])) {
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echo " * *Warning: This method is deprecated, and should not longer be used.*\n";
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$hasProp = true;
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}
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if ($rMethod->isProtected()) {
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echo " * This method is protected.\n";
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$hasProp = true;
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}
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if ($rMethod->isPrivate()) {
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echo " * This method is private.\n";
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$hasProp = true;
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}
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if ($rMethod->isAbstract()) {
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echo " * This is an abstract method\n";
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$hasProp = true;
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}
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if ($rMethod->class != $rClass->name) {
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echo " * Defined in [" . $rMethod->class . "]\n";
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$hasProp = true;
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}
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if ($hasProp) echo "\n";
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}
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function createPropertyDoc($rProperty) {
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echo "===`" . $rProperty->getName() . "`===\n";
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echo "\n";
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$docs = parseDocs($rProperty->getDocComment());
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$visibility = 'public';
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if ($rProperty->isProtected()) $visibility = 'protected';
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if ($rProperty->isPrivate()) $visibility = 'private';
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echo "{{{\n";
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echo $visibility . " " . $rProperty->class . "::$" . $rProperty->getName();
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echo "\n}}}\n";
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echo "\n";
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echo $docs['description'] . "\n";
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echo "\n";
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$hasProp = false;
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if (isset($docs['deprecated'])) {
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echo " * *Warning: This property is deprecated, and should not longer be used.*\n";
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$hasProp = true;
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}
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if ($rProperty->isProtected()) {
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echo " * This property is protected.\n";
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$hasProp = true;
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}
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if ($rProperty->isPrivate()) {
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echo " * This property is private.\n";
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$hasProp = true;
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}
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if ($rProperty->isStatic()) {
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echo " * This property is static.\n";
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$hasProp = true;
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}
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if ($hasProp) echo "\n";
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}
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function parseDocs($docString) {
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$params = array();
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$description = array();
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// Trimming all the comment characters
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$docString = trim($docString,"\n*/ ");
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$docString = explode("\n",$docString);
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foreach($docString as $str) {
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$str = ltrim($str,'* ');
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$str = trim($str);
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if ($str && $str[0]==='@') {
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$r = explode(' ',substr($str,1),2);
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$paramName = $r[0];
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$paramValue = (count($r)>1)?$r[1]:'';
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// 'param' paramName is special. Confusing, I know.
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if ($paramName==='param') {
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if (!isset($params['param'])) $params['param'] = array();
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$paramValue = explode(' ', $paramValue,3);
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$params['param'][substr($paramValue[1],1)] = $paramValue[0];
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} else {
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$params[$paramName] = trim($paramValue);
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}
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} else {
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$description[]=$str;
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}
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}
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$params['description'] = trim(implode("\n",$description),"\n ");
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return $params;
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}
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function createSidebarIndex($packageList) {
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ob_start();
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echo "#labels APIDocs\n";
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echo "#summary List of all classes, neatly organized\n";
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echo "=API Index=\n";
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foreach($packageList as $package=>$classes) {
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echo " * $package\n";
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sort($classes);
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foreach($classes as $class) {
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echo " * [$class $class]\n";
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}
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}
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return ob_get_clean();
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}
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