vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/Visitor/Graphviz.php

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

<?php
/*
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the MIT license. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace Doctrine\DBAL\Schema\Visitor;

use Doctrine\DBAL\Schema\Table;
use Doctrine\DBAL\Schema\Schema;
use Doctrine\DBAL\Schema\ForeignKeyConstraint;

/**
 * Create a Graphviz output of a Schema.
 */
class Graphviz extends AbstractVisitor
{
    /**
     * @var string
     */
    private $output = '';

    /**
     * {@inheritdoc}
     */
    public function acceptForeignKey(Table $localTable, ForeignKeyConstraint $fkConstraint)
    {
        $this->output .= $this->createNodeRelation(
            $fkConstraint->getLocalTableName() . ":col" . current($fkConstraint->getLocalColumns()).":se",
            $fkConstraint->getForeignTableName() . ":col" . current($fkConstraint->getForeignColumns()).":se",
            array(
                'dir'       => 'back',
                'arrowtail' => 'dot',
                'arrowhead' => 'normal',
            )
        );
    }

    /**
     * {@inheritdoc}
     */
    public function acceptSchema(Schema $schema)
    {
        $this->output  = 'digraph "' . sha1(mt_rand()) . '" {' . "\n";
        $this->output .= 'splines = true;' . "\n";
        $this->output .= 'overlap = false;' . "\n";
        $this->output .= 'outputorder=edgesfirst;'."\n";