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<?php |
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/* |
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* Copyright 2011 Johannes M. Schmitt <[email protected]> |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace gossi\codegen\utils; |
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/** |
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* A writer implementation. |
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* |
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* This may be used to simplify writing well-formatted code. |
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* |
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* @author Johannes M. Schmitt <[email protected]> |
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*/ |
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class Writer { |
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private $content = ''; |
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private $indentationLevel = 0; |
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private $indentation; |
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private $options = [ |
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'indentation_character' => "\t", |
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'indentation_size' => 1 |
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]; |
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public function __construct($options = []) { |
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$this->options = array_merge($this->options, $options); |
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$this->indentation = str_repeat($this->options['indentation_character'], |
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$this->options['indentation_size']); |
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} |
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public function indent() { |
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$this->indentationLevel += 1; |
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return $this; |
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} |
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public function outdent() { |
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$this->indentationLevel -= 1; |
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if ($this->indentationLevel < 0) { |
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throw new \RuntimeException('The identation level cannot be less than zero.'); |
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} |
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return $this; |
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} |
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/** |
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* |
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* @param string $content |
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*/ |
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public function writeln($content = '') { |
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$this->write($content . "\n"); |
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return $this; |
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} |
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/** |
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* |
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* @param string $content |
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*/ |
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public function write($content) { |
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if (is_string($content)) { |
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$lines = explode("\n", $content); |
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for ($i = 0, $c = count($lines); $i < $c; $i++) { |
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if ($this->indentationLevel > 0 |
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&& !empty($lines[$i]) |
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&& (empty($this->content) || "\n" === substr($this->content, -1))) { |
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$this->content .= str_repeat($this->indentation, $this->indentationLevel); |
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} |
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$this->content .= $lines[$i]; |
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if ($i + 1 < $c) { |
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$this->content .= "\n"; |
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} |
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} |
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} elseif(is_null($content)) { |
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$this->content .= 'null'; |
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} |
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return $this; |
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} |
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public function rtrim() { |
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$addNl = "\n" === substr($this->content, -1); |
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$this->content = rtrim($this->content); |
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if ($addNl) { |
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$this->content .= "\n"; |
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} |
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return $this; |
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} |
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public function endsWith($search) { |
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return substr($this->content, -strlen($search)) === $search; |
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} |
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public function reset() { |
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$this->content = ''; |
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$this->indentationLevel = 0; |
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return $this; |
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} |
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public function getContent() { |
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return $this->content; |
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} |
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} |
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gossi /
php-code-generator
