sintonia/library/propel/generator/lib/builder/om/OMBuilder.php

527 lines
16 KiB
PHP

<?php
/**
* This file is part of the Propel package.
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @license MIT License
*/
require_once 'builder/DataModelBuilder.php';
/**
* Baseclass for OM-building classes.
*
* OM-building classes are those that build a PHP (or other) class to service
* a single table. This includes Peer classes, Entity classes, Map classes,
* Node classes, Nested Set classes, etc.
*
* @author Hans Lellelid <hans@xmpl.org>
* @package propel.generator.builder.om
*/
abstract class OMBuilder extends DataModelBuilder
{
/**
* Declared fully qualified classnames, to build the 'namespace' statements
* according to this table's namespace.
* @var array
*/
protected $declaredClasses = array();
/**
* Builds the PHP source for current class and returns it as a string.
*
* This is the main entry point and defines a basic structure that classes should follow.
* In most cases this method will not need to be overridden by subclasses. This method
* does assume that the output language is PHP code, so it will need to be overridden if
* this is not the case.
*
* @return string The resulting PHP sourcecode.
*/
public function build()
{
$this->validateModel();
$script = '';
if ($this->isAddIncludes()) {
$this->addIncludes($script);
}
$this->addClassOpen($script);
$this->addClassBody($script);
$this->addClassClose($script);
if($useStatements = $this->getUseStatements($ignoredNamespace = $this->getNamespace())) {
$script = $useStatements . $script;
}
if($namespaceStatement = $this->getNamespaceStatement()) {
$script = $namespaceStatement . $script;
}
//if($this->getTable()->getName() == 'book_club_list') die($ignoredNamespace);
return "<" . "?php
" . $script;
}
/**
* Validates the current table to make sure that it won't
* result in generated code that will not parse.
*
* This method may emit warnings for code which may cause problems
* and will throw exceptions for errors that will definitely cause
* problems.
*/
protected function validateModel()
{
// Validation is currently only implemented in the subclasses.
}
/**
* Creates a $obj = new Book(); code snippet. Can be used by frameworks, for instance, to
* extend this behavior, e.g. initialize the object after creating the instance or so.
*
* @return string Some code
*/
public function buildObjectInstanceCreationCode($objName, $clsName)
{
return "$objName = new $clsName();";
}
/**
* Returns the qualified (prefixed) classname that is being built by the current class.
* This method must be implemented by child classes.
* @return string
*/
abstract public function getUnprefixedClassname();
/**
* Returns the prefixed classname that is being built by the current class.
* @return string
* @see DataModelBuilder#prefixClassname()
*/
public function getClassname()
{
return $this->prefixClassname($this->getUnprefixedClassname());
}
/**
* Returns the namespaced classname if there is a namespace, and the raw classname otherwise
* @return string
*/
public function getFullyQualifiedClassname()
{
if ($namespace = $this->getNamespace()) {
return $namespace . '\\' . $this->getClassname();
} else {
return $this->getClassname();
}
}
/**
* Gets the dot-path representation of current class being built.
* @return string
*/
public function getClasspath()
{
if ($this->getPackage()) {
$path = $this->getPackage() . '.' . $this->getClassname();
} else {
$path = $this->getClassname();
}
return $path;
}
/**
* Gets the full path to the file for the current class.
* @return string
*/
public function getClassFilePath()
{
return ClassTools::getFilePath($this->getPackage(), $this->getClassname());
}
/**
* Gets package name for this table.
* This is overridden by child classes that have different packages.
* @return string
*/
public function getPackage()
{
$pkg = ($this->getTable()->getPackage() ? $this->getTable()->getPackage() : $this->getDatabase()->getPackage());
if (!$pkg) {
$pkg = $this->getBuildProperty('targetPackage');
}
return $pkg;
}
/**
* Returns filesystem path for current package.
* @return string
*/
public function getPackagePath()
{
return strtr($this->getPackage(), '.', '/');
}
/**
* Return the user-defined namespace for this table,
* or the database namespace otherwise.
*
* @return string
*/
public function getNamespace()
{
return $this->getTable()->getNamespace();
}
public function declareClassNamespace($class, $namespace = '')
{
if (isset($this->declaredClasses[$namespace])
&& in_array($class, $this->declaredClasses[$namespace])) {
return;
}
$this->declaredClasses[$namespace][] = $class;
}
public function declareClass($fullyQualifiedClassName)
{
$fullyQualifiedClassName = trim($fullyQualifiedClassName, '\\');
if (($pos = strrpos($fullyQualifiedClassName, '\\')) !== false) {
$this->declareClassNamespace(substr($fullyQualifiedClassName, $pos + 1), substr($fullyQualifiedClassName, 0, $pos));
} else {
// root namespace
$this->declareClassNamespace($fullyQualifiedClassName);
}
}
public function declareClassFromBuilder($builder)
{
$this->declareClassNamespace($builder->getClassname(), $builder->getNamespace());
}
public function declareClasses()
{
$args = func_get_args();
foreach ($args as $class) {
$this->declareClass($class);
}
}
public function getDeclaredClasses($namespace = null)
{
if (null !== $namespace && isset($this->declaredClasses[$namespace])) {
return $this->declaredClasses[$namespace];
} else {
return $this->declaredClasses;
}
}
public function getNamespaceStatement()
{
$namespace = $this->getNamespace();
if ($namespace != '') {
return sprintf("namespace %s;
", $namespace);
}
}
public function getUseStatements($ignoredNamespace = null)
{
$declaredClasses = $this->declaredClasses;
unset($declaredClasses[$ignoredNamespace]);
ksort($declaredClasses);
foreach ($declaredClasses as $namespace => $classes) {
sort($classes);
foreach ($classes as $class) {
$script .= sprintf("use %s\\%s;
", $namespace, $class);
}
}
return $script;
}
/**
* Shortcut method to return the [stub] peer classname for current table.
* This is the classname that is used whenever object or peer classes want
* to invoke methods of the peer classes.
* @return string (e.g. 'MyPeer')
* @see StubPeerBuilder::getClassname()
*/
public function getPeerClassname() {
return $this->getStubPeerBuilder()->getClassname();
}
/**
* Shortcut method to return the [stub] query classname for current table.
* This is the classname that is used whenever object or peer classes want
* to invoke methods of the query classes.
* @return string (e.g. 'Myquery')
* @see StubQueryBuilder::getClassname()
*/
public function getQueryClassname() {
return $this->getStubQueryBuilder()->getClassname();
}
/**
* Returns the object classname for current table.
* This is the classname that is used whenever object or peer classes want
* to invoke methods of the object classes.
* @return string (e.g. 'My')
* @see StubPeerBuilder::getClassname()
*/
public function getObjectClassname() {
return $this->getStubObjectBuilder()->getClassname();
}
/**
* Get the column constant name (e.g. PeerName::COLUMN_NAME).
*
* @param Column $col The column we need a name for.
* @param string $classname The Peer classname to use.
*
* @return string If $classname is provided, then will return $classname::COLUMN_NAME; if not, then the peername is looked up for current table to yield $currTablePeer::COLUMN_NAME.
*/
public function getColumnConstant($col, $classname = null)
{
if ($col === null) {
$e = new Exception("No col specified.");
print $e;
throw $e;
}
if ($classname === null) {
return $this->getBuildProperty('classPrefix') . $col->getConstantName();
}
// was it overridden in schema.xml ?
if ($col->getPeerName()) {
$const = strtoupper($col->getPeerName());
} else {
$const = strtoupper($col->getName());
}
return $classname.'::'.$const;
}
/**
* Gets the basePeer path if specified for table/db.
* If not, will return 'propel.util.BasePeer'
* @return string
*/
public function getBasePeer(Table $table) {
$class = $table->getBasePeer();
if ($class === null) {
$class = "propel.util.BasePeer";
}
return $class;
}
/**
* Convenience method to get the foreign Table object for an fkey.
* @deprecated use ForeignKey::getForeignTable() instead
* @return Table
*/
protected function getForeignTable(ForeignKey $fk)
{
return $this->getTable()->getDatabase()->getTable($fk->getForeignTableName());
}
/**
* Convenience method to get the default Join Type for a relation.
* If the key is required, an INNER JOIN will be returned, else a LEFT JOIN will be suggested,
* unless the schema is provided with the DefaultJoin attribute, which overrules the default Join Type
*
* @param ForeignKey $fk
* @return string
*/
protected function getJoinType(ForeignKey $fk)
{
return $fk->getDefaultJoin() ?
"'".$fk->getDefaultJoin()."'" :
($fk->isLocalColumnsRequired() ? 'Criteria::INNER_JOIN' : 'Criteria::LEFT_JOIN');
}
/**
* Gets the PHP method name affix to be used for fkeys for the current table (not referrers to this table).
*
* The difference between this method and the getRefFKPhpNameAffix() method is that in this method the
* classname in the affix is the foreign table classname.
*
* @param ForeignKey $fk The local FK that we need a name for.
* @param boolean $plural Whether the php name should be plural (e.g. initRelatedObjs() vs. addRelatedObj()
* @return string
*/
public function getFKPhpNameAffix(ForeignKey $fk, $plural = false)
{
if ($fk->getPhpName()) {
if ($plural) {
return $this->getPluralizer()->getPluralForm($fk->getPhpName());
} else {
return $fk->getPhpName();
}
} else {
$className = $fk->getForeignTable()->getPhpName();
if ($plural) {
$className = $this->getPluralizer()->getPluralForm($className);
}
return $className . $this->getRelatedBySuffix($fk);
}
}
/**
* Gets the "RelatedBy*" suffix (if needed) that is attached to method and variable names.
*
* The related by suffix is based on the local columns of the foreign key. If there is more than
* one column in a table that points to the same foreign table, then a 'RelatedByLocalColName' suffix
* will be appended.
*
* @return string
*/
protected static function getRelatedBySuffix(ForeignKey $fk)
{
$relCol = '';
foreach ($fk->getLocalForeignMapping() as $localColumnName => $foreignColumnName) {
$localTable = $fk->getTable();
$localColumn = $localTable->getColumn($localColumnName);
if (!$localColumn) {
throw new Exception("Could not fetch column: $columnName in table " . $localTable->getName());
}
if (count($localTable->getForeignKeysReferencingTable($fk->getForeignTableName())) > 1
|| count($fk->getForeignTable()->getForeignKeysReferencingTable($fk->getTableName())) > 0
|| $fk->getForeignTableName() == $fk->getTableName()) {
// self referential foreign key, or several foreign keys to the same table, or cross-reference fkey
$relCol .= $localColumn->getPhpName();
}
}
if ($relCol != '') {
$relCol = 'RelatedBy' . $relCol;
}
return $relCol;
}
/**
* Gets the PHP method name affix to be used for referencing foreign key methods and variable names (e.g. set????(), $coll???).
*
* The difference between this method and the getFKPhpNameAffix() method is that in this method the
* classname in the affix is the classname of the local fkey table.
*
* @param ForeignKey $fk The referrer FK that we need a name for.
* @param boolean $plural Whether the php name should be plural (e.g. initRelatedObjs() vs. addRelatedObj()
* @return string
*/
public function getRefFKPhpNameAffix(ForeignKey $fk, $plural = false)
{
if ($fk->getRefPhpName()) {
if ($plural) {
return $this->getPluralizer()->getPluralForm($fk->getRefPhpName());
} else {
return $fk->getRefPhpName();
}
} else {
$className = $fk->getTable()->getPhpName();
if ($plural) {
$className = $this->getPluralizer()->getPluralForm($className);
}
return $className . $this->getRefRelatedBySuffix($fk);
}
}
protected static function getRefRelatedBySuffix(ForeignKey $fk)
{
$relCol = '';
foreach ($fk->getLocalForeignMapping() as $localColumnName => $foreignColumnName) {
$localTable = $fk->getTable();
$localColumn = $localTable->getColumn($localColumnName);
if (!$localColumn) {
throw new Exception("Could not fetch column: $columnName in table " . $localTable->getName());
}
$foreignKeysToForeignTable = $localTable->getForeignKeysReferencingTable($fk->getForeignTableName());
if ($fk->getForeignTableName() == $fk->getTableName()) {
// self referential foreign key
$relCol .= $fk->getForeignTable()->getColumn($foreignColumnName)->getPhpName();
if (count($foreignKeysToForeignTable) > 1) {
// several self-referential foreign keys
$relCol .= array_search($fk, $foreignKeysToForeignTable);
}
} elseif (count($foreignKeysToForeignTable) > 1 || count($fk->getForeignTable()->getForeignKeysReferencingTable($fk->getTableName())) > 0) {
// several foreign keys to the same table, or symmetrical foreign key in foreign table
$relCol .= $localColumn->getPhpName();
}
}
if ($relCol != '') {
$relCol = 'RelatedBy' . $relCol;
}
return $relCol;
}
/**
* Whether to add the include statements.
* This is based on the build property propel.addIncludes
*/
protected function isAddIncludes()
{
return $this->getBuildProperty('addIncludes');
}
/**
* Checks whether any registered behavior on that table has a modifier for a hook
* @param string $hookName The name of the hook as called from one of this class methods, e.g. "preSave"
* @param string $modifier The name of the modifier object providing the method in the behavior
* @return boolean
*/
public function hasBehaviorModifier($hookName, $modifier)
{
$modifierGetter = 'get' . $modifier;
foreach ($this->getTable()->getBehaviors() as $behavior) {
if(method_exists($behavior->$modifierGetter(), $hookName)) {
return true;
}
}
return false;
}
/**
* Checks whether any registered behavior on that table has a modifier for a hook
* @param string $hookName The name of the hook as called from one of this class methods, e.g. "preSave"
* @param string $modifier The name of the modifier object providing the method in the behavior
* @param string &$script The script will be modified in this method.
*/
public function applyBehaviorModifierBase($hookName, $modifier, &$script, $tab = " ")
{
$modifierGetter = 'get' . $modifier;
foreach ($this->getTable()->getBehaviors() as $behavior) {
$modifier = $behavior->$modifierGetter();
if(method_exists($modifier, $hookName)) {
if (strpos($hookName, 'Filter') !== false) {
// filter hook: the script string will be modified by the behavior
$modifier->$hookName($script, $this);
} else {
// regular hook: the behavior returns a string to append to the script string
$script .= "\n" . $tab . '// ' . $behavior->getName() . " behavior\n";
$script .= preg_replace('/^/m', $tab, $modifier->$hookName($this));
}
}
}
}
/**
* Checks whether any registered behavior content creator on that table exists a contentName
* @param string $contentName The name of the content as called from one of this class methods, e.g. "parentClassname"
* @param string $modifier The name of the modifier object providing the method in the behavior
*/
public function getBehaviorContentBase($contentName, $modifier)
{
$modifierGetter = 'get' . $modifier;
foreach ($this->getTable()->getBehaviors() as $behavior) {
$modifier = $behavior->$modifierGetter();
if(method_exists($modifier, $contentName)) {
return $modifier->$contentName($this);
}
}
}
}