diff options
Diffstat (limited to 'buildscripts/phing/classes/phing/filters/StripPhpComments.php')
| -rwxr-xr-x | buildscripts/phing/classes/phing/filters/StripPhpComments.php | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/buildscripts/phing/classes/phing/filters/StripPhpComments.php b/buildscripts/phing/classes/phing/filters/StripPhpComments.php deleted file mode 100755 index 0abb8a67..00000000 --- a/buildscripts/phing/classes/phing/filters/StripPhpComments.php +++ /dev/null @@ -1,188 +0,0 @@ -<?php - -/* - * $Id: 6c68ae0ad1aa7f2f7825087c1c54233bd2462124 $ - * - * 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 LGPL. For more information please see - * <http://phing.info>. -*/ - -include_once 'phing/filters/BaseFilterReader.php'; -include_once 'phing/filters/ChainableReader.php'; - -/** - * This is a Php comment and string stripper reader that filters - * those lexical tokens out for purposes of simple Php parsing. - * (if you have more complex Php parsing needs, use a real lexer). - * Since this class heavily relies on the single char read function, - * you are reccomended to make it work on top of a buffered reader. - * - * @author <a href="mailto:yl@seasonfive.com">Yannick Lecaillez</a> - * @author hans lellelid, hans@velum.net - * @version $Id$ - * @access public - * @see FilterReader - * @package phing.filters - */ -class StripPhpComments extends BaseFilterReader implements ChainableReader { - /** - * The read-ahead character, used for effectively pushing a single - * character back. -1 indicates that no character is in the buffer. - */ - private $_readAheadCh = -1; - - /** - * Whether or not the parser is currently in the middle of a string - * literal. - * @var boolean - */ - private $_inString = false; - - /** - * Returns the stream without Php comments. - * - * @return the resulting stream, or -1 - * if the end of the resulting stream has been reached - * - * @throws IOException if the underlying stream throws an IOException - * during reading - */ - function read($len = null) { - - $buffer = $this->in->read($len); - if($buffer === -1) { - return -1; - } - - // This regex replace /* */ and // style comments - $buffer = preg_replace('/\/\*[^*]*\*+([^\/*][^*]*\*+)*\/|\/\/[^\n]*|("(\\\\.|[^"\\\\])*"|\'(\\\\.|[^\'\\\\])*\'|.[^\/"\'\\\\]*)/s', "$2", $buffer); - - // The regex above is not identical to, but is based on the expression below: - // - // created by Jeffrey Friedl - // and later modified by Fred Curtis. - // s{ - // /\* ## Start of /* ... */ comment - // [^*]*\*+ ## Non-* followed by 1-or-more *'s - // ( - // [^/*][^*]*\*+ - // )* ## 0-or-more things which don't start with / - // ## but do end with '*' - // / ## End of /* ... */ comment - // - // | ## OR various things which aren't comments: - // - // ( - // " ## Start of " ... " string - // ( - // \\. ## Escaped char - // | ## OR - // [^"\\] ## Non "\ - // )* - // " ## End of " ... " string - // - // | ## OR - // - // ' ## Start of ' ... ' string - // ( - // \\. ## Escaped char - // | ## OR - // [^'\\] ## Non '\ - // )* - // ' ## End of ' ... ' string - // - // | ## OR - // - // . ## Anything other char - // [^/"'\\]* ## Chars which doesn't start a comment, string or escape - // ) - // }{$2}gxs; - - return $buffer; - } - - - /* - * Returns the next character in the filtered stream, not including - * Php comments. - * - * @return the next character in the resulting stream, or -1 - * if the end of the resulting stream has been reached - * - * @throws IOException if the underlying stream throws an IOException - * during reading - * @deprecated - */ - function readChar() { - $ch = -1; - - if ( $this->_readAheadCh !== -1 ) { - $ch = $this->_readAheadCh; - $this->_readAheadCh = -1; - } else { - $ch = $this->in->readChar(); - if ( $ch === "\"" ) { - $this->_inString = !$this->_inString; - } else { - if ( !$this->_inString ) { - if ( $ch === "/" ) { - $ch = $this->in->readChar(); - if ( $ch === "/" ) { - while ( $ch !== "\n" && $ch !== -1 ) { - $ch = $this->in->readChar(); - } - } else if ( $ch === "*" ) { - while ( $ch !== -1 ) { - $ch = $this->in->readChar(); - while ( $ch === "*" && $ch !== -1 ) { - $ch = $this->in->readChar(); - } - - if ( $ch === "/" ) { - $ch = $this->readChar(); - echo "$ch\n"; - break; - } - } - } else { - $this->_readAheadCh = $ch; - $ch = "/"; - } - } - } - } - } - - return $ch; - } - - /** - * Creates a new StripPhpComments using the passed in - * Reader for instantiation. - * - * @param reader A Reader object providing the underlying stream. - * Must not be <code>null</code>. - * - * @return a new filter based on this configuration, but filtering - * the specified reader - */ - function chain(Reader $reader) { - $newFilter = new StripPhpComments($reader); - $newFilter->setProject($this->getProject()); - return $newFilter; - } -} - |