Completed
Pull Request — master (#30)
by
unknown
03:34
created

Writer::outdent()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 9
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 4
CRAP Score 2.032

Importance

Changes 2
Bugs 0 Features 0
Metric Value
c 2
b 0
f 0
dl 0
loc 9
ccs 4
cts 5
cp 0.8
rs 9.6666
cc 2
eloc 5
nc 2
nop 0
crap 2.032
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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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