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-rwxr-xr-x3rdparty/simpletest/php_parser.php1054
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diff --git a/3rdparty/simpletest/php_parser.php b/3rdparty/simpletest/php_parser.php
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+<?php
+/**
+ * base include file for SimpleTest
+ * @package SimpleTest
+ * @subpackage WebTester
+ * @version $Id: php_parser.php 1927 2009-07-31 12:45:36Z dgheath $
+ */
+
+/**#@+
+ * Lexer mode stack constants
+ */
+foreach (array('LEXER_ENTER', 'LEXER_MATCHED',
+ 'LEXER_UNMATCHED', 'LEXER_EXIT',
+ 'LEXER_SPECIAL') as $i => $constant) {
+ if (! defined($constant)) {
+ define($constant, $i + 1);
+ }
+}
+/**#@-*/
+
+/**
+ * Compounded regular expression. Any of
+ * the contained patterns could match and
+ * when one does, it's label is returned.
+ * @package SimpleTest
+ * @subpackage WebTester
+ */
+class ParallelRegex {
+ private $patterns;
+ private $labels;
+ private $regex;
+ private $case;
+
+ /**
+ * Constructor. Starts with no patterns.
+ * @param boolean $case True for case sensitive, false
+ * for insensitive.
+ * @access public
+ */
+ function __construct($case) {
+ $this->case = $case;
+ $this->patterns = array();
+ $this->labels = array();
+ $this->regex = null;
+ }
+
+ /**
+ * Adds a pattern with an optional label.
+ * @param string $pattern Perl style regex, but ( and )
+ * lose the usual meaning.
+ * @param string $label Label of regex to be returned
+ * on a match.
+ * @access public
+ */
+ function addPattern($pattern, $label = true) {
+ $count = count($this->patterns);
+ $this->patterns[$count] = $pattern;
+ $this->labels[$count] = $label;
+ $this->regex = null;
+ }
+
+ /**
+ * Attempts to match all patterns at once against
+ * a string.
+ * @param string $subject String to match against.
+ * @param string $match First matched portion of
+ * subject.
+ * @return boolean True on success.
+ * @access public
+ */
+ function match($subject, &$match) {
+ if (count($this->patterns) == 0) {
+ return false;
+ }
+ if (! preg_match($this->getCompoundedRegex(), $subject, $matches)) {
+ $match = '';
+ return false;
+ }
+ $match = $matches[0];
+ for ($i = 1; $i < count($matches); $i++) {
+ if ($matches[$i]) {
+ return $this->labels[$i - 1];
+ }
+ }
+ return true;
+ }
+
+ /**
+ * Compounds the patterns into a single
+ * regular expression separated with the
+ * "or" operator. Caches the regex.
+ * Will automatically escape (, ) and / tokens.
+ * @param array $patterns List of patterns in order.
+ * @access private
+ */
+ protected function getCompoundedRegex() {
+ if ($this->regex == null) {
+ for ($i = 0, $count = count($this->patterns); $i < $count; $i++) {
+ $this->patterns[$i] = '(' . str_replace(
+ array('/', '(', ')'),
+ array('\/', '\(', '\)'),
+ $this->patterns[$i]) . ')';
+ }
+ $this->regex = "/" . implode("|", $this->patterns) . "/" . $this->getPerlMatchingFlags();
+ }
+ return $this->regex;
+ }
+
+ /**
+ * Accessor for perl regex mode flags to use.
+ * @return string Perl regex flags.
+ * @access private
+ */
+ protected function getPerlMatchingFlags() {
+ return ($this->case ? "msS" : "msSi");
+ }
+}
+
+/**
+ * States for a stack machine.
+ * @package SimpleTest
+ * @subpackage WebTester
+ */
+class SimpleStateStack {
+ private $stack;
+
+ /**
+ * Constructor. Starts in named state.
+ * @param string $start Starting state name.
+ * @access public
+ */
+ function __construct($start) {
+ $this->stack = array($start);
+ }
+
+ /**
+ * Accessor for current state.
+ * @return string State.
+ * @access public
+ */
+ function getCurrent() {
+ return $this->stack[count($this->stack) - 1];
+ }
+
+ /**
+ * Adds a state to the stack and sets it
+ * to be the current state.
+ * @param string $state New state.
+ * @access public
+ */
+ function enter($state) {
+ array_push($this->stack, $state);
+ }
+
+ /**
+ * Leaves the current state and reverts
+ * to the previous one.
+ * @return boolean False if we drop off
+ * the bottom of the list.
+ * @access public
+ */
+ function leave() {
+ if (count($this->stack) == 1) {
+ return false;
+ }
+ array_pop($this->stack);
+ return true;
+ }
+}
+
+/**
+ * Accepts text and breaks it into tokens.
+ * Some optimisation to make the sure the
+ * content is only scanned by the PHP regex
+ * parser once. Lexer modes must not start
+ * with leading underscores.
+ * @package SimpleTest
+ * @subpackage WebTester
+ */
+class SimpleLexer {
+ private $regexes;
+ private $parser;
+ private $mode;
+ private $mode_handlers;
+ private $case;
+
+ /**
+ * Sets up the lexer in case insensitive matching
+ * by default.
+ * @param SimpleSaxParser $parser Handling strategy by
+ * reference.
+ * @param string $start Starting handler.
+ * @param boolean $case True for case sensitive.
+ * @access public
+ */
+ function __construct($parser, $start = "accept", $case = false) {
+ $this->case = $case;
+ $this->regexes = array();
+ $this->parser = $parser;
+ $this->mode = new SimpleStateStack($start);
+ $this->mode_handlers = array($start => $start);
+ }
+
+ /**
+ * Adds a token search pattern for a particular
+ * parsing mode. The pattern does not change the
+ * current mode.
+ * @param string $pattern Perl style regex, but ( and )
+ * lose the usual meaning.
+ * @param string $mode Should only apply this
+ * pattern when dealing with
+ * this type of input.
+ * @access public
+ */
+ function addPattern($pattern, $mode = "accept") {
+ if (! isset($this->regexes[$mode])) {
+ $this->regexes[$mode] = new ParallelRegex($this->case);
+ }
+ $this->regexes[$mode]->addPattern($pattern);
+ if (! isset($this->mode_handlers[$mode])) {
+ $this->mode_handlers[$mode] = $mode;
+ }
+ }
+
+ /**
+ * Adds a pattern that will enter a new parsing
+ * mode. Useful for entering parenthesis, strings,
+ * tags, etc.
+ * @param string $pattern Perl style regex, but ( and )
+ * lose the usual meaning.
+ * @param string $mode Should only apply this
+ * pattern when dealing with
+ * this type of input.
+ * @param string $new_mode Change parsing to this new
+ * nested mode.
+ * @access public
+ */
+ function addEntryPattern($pattern, $mode, $new_mode) {
+ if (! isset($this->regexes[$mode])) {
+ $this->regexes[$mode] = new ParallelRegex($this->case);
+ }
+ $this->regexes[$mode]->addPattern($pattern, $new_mode);
+ if (! isset($this->mode_handlers[$new_mode])) {
+ $this->mode_handlers[$new_mode] = $new_mode;
+ }
+ }
+
+ /**
+ * Adds a pattern that will exit the current mode
+ * and re-enter the previous one.
+ * @param string $pattern Perl style regex, but ( and )
+ * lose the usual meaning.
+ * @param string $mode Mode to leave.
+ * @access public
+ */
+ function addExitPattern($pattern, $mode) {
+ if (! isset($this->regexes[$mode])) {
+ $this->regexes[$mode] = new ParallelRegex($this->case);
+ }
+ $this->regexes[$mode]->addPattern($pattern, "__exit");
+ if (! isset($this->mode_handlers[$mode])) {
+ $this->mode_handlers[$mode] = $mode;
+ }
+ }
+
+ /**
+ * Adds a pattern that has a special mode. Acts as an entry
+ * and exit pattern in one go, effectively calling a special
+ * parser handler for this token only.
+ * @param string $pattern Perl style regex, but ( and )
+ * lose the usual meaning.
+ * @param string $mode Should only apply this
+ * pattern when dealing with
+ * this type of input.
+ * @param string $special Use this mode for this one token.
+ * @access public
+ */
+ function addSpecialPattern($pattern, $mode, $special) {
+ if (! isset($this->regexes[$mode])) {
+ $this->regexes[$mode] = new ParallelRegex($this->case);
+ }
+ $this->regexes[$mode]->addPattern($pattern, "_$special");
+ if (! isset($this->mode_handlers[$special])) {
+ $this->mode_handlers[$special] = $special;
+ }
+ }
+
+ /**
+ * Adds a mapping from a mode to another handler.
+ * @param string $mode Mode to be remapped.
+ * @param string $handler New target handler.
+ * @access public
+ */
+ function mapHandler($mode, $handler) {
+ $this->mode_handlers[$mode] = $handler;
+ }
+
+ /**
+ * Splits the page text into tokens. Will fail
+ * if the handlers report an error or if no
+ * content is consumed. If successful then each
+ * unparsed and parsed token invokes a call to the
+ * held listener.
+ * @param string $raw Raw HTML text.
+ * @return boolean True on success, else false.
+ * @access public
+ */
+ function parse($raw) {
+ if (! isset($this->parser)) {
+ return false;
+ }
+ $length = strlen($raw);
+ while (is_array($parsed = $this->reduce($raw))) {
+ list($raw, $unmatched, $matched, $mode) = $parsed;
+ if (! $this->dispatchTokens($unmatched, $matched, $mode)) {
+ return false;
+ }
+ if ($raw === '') {
+ return true;
+ }
+ if (strlen($raw) == $length) {
+ return false;
+ }
+ $length = strlen($raw);
+ }
+ if (! $parsed) {
+ return false;
+ }
+ return $this->invokeParser($raw, LEXER_UNMATCHED);
+ }
+
+ /**
+ * Sends the matched token and any leading unmatched
+ * text to the parser changing the lexer to a new
+ * mode if one is listed.
+ * @param string $unmatched Unmatched leading portion.
+ * @param string $matched Actual token match.
+ * @param string $mode Mode after match. A boolean
+ * false mode causes no change.
+ * @return boolean False if there was any error
+ * from the parser.
+ * @access private
+ */
+ protected function dispatchTokens($unmatched, $matched, $mode = false) {
+ if (! $this->invokeParser($unmatched, LEXER_UNMATCHED)) {
+ return false;
+ }
+ if (is_bool($mode)) {
+ return $this->invokeParser($matched, LEXER_MATCHED);
+ }
+ if ($this->isModeEnd($mode)) {
+ if (! $this->invokeParser($matched, LEXER_EXIT)) {
+ return false;
+ }
+ return $this->mode->leave();
+ }
+ if ($this->isSpecialMode($mode)) {
+ $this->mode->enter($this->decodeSpecial($mode));
+ if (! $this->invokeParser($matched, LEXER_SPECIAL)) {
+ return false;
+ }
+ return $this->mode->leave();
+ }
+ $this->mode->enter($mode);
+ return $this->invokeParser($matched, LEXER_ENTER);
+ }
+
+ /**
+ * Tests to see if the new mode is actually to leave
+ * the current mode and pop an item from the matching
+ * mode stack.
+ * @param string $mode Mode to test.
+ * @return boolean True if this is the exit mode.
+ * @access private
+ */
+ protected function isModeEnd($mode) {
+ return ($mode === "__exit");
+ }
+
+ /**
+ * Test to see if the mode is one where this mode
+ * is entered for this token only and automatically
+ * leaves immediately afterwoods.
+ * @param string $mode Mode to test.
+ * @return boolean True if this is the exit mode.
+ * @access private
+ */
+ protected function isSpecialMode($mode) {
+ return (strncmp($mode, "_", 1) == 0);
+ }
+
+ /**
+ * Strips the magic underscore marking single token
+ * modes.
+ * @param string $mode Mode to decode.
+ * @return string Underlying mode name.
+ * @access private
+ */
+ protected function decodeSpecial($mode) {
+ return substr($mode, 1);
+ }
+
+ /**
+ * Calls the parser method named after the current
+ * mode. Empty content will be ignored. The lexer
+ * has a parser handler for each mode in the lexer.
+ * @param string $content Text parsed.
+ * @param boolean $is_match Token is recognised rather
+ * than unparsed data.
+ * @access private
+ */
+ protected function invokeParser($content, $is_match) {
+ if (($content === '') || ($content === false)) {
+ return true;
+ }
+ $handler = $this->mode_handlers[$this->mode->getCurrent()];
+ return $this->parser->$handler($content, $is_match);
+ }
+
+ /**
+ * Tries to match a chunk of text and if successful
+ * removes the recognised chunk and any leading
+ * unparsed data. Empty strings will not be matched.
+ * @param string $raw The subject to parse. This is the
+ * content that will be eaten.
+ * @return array/boolean Three item list of unparsed
+ * content followed by the
+ * recognised token and finally the
+ * action the parser is to take.
+ * True if no match, false if there
+ * is a parsing error.
+ * @access private
+ */
+ protected function reduce($raw) {
+ if ($action = $this->regexes[$this->mode->getCurrent()]->match($raw, $match)) {
+ $unparsed_character_count = strpos($raw, $match);
+ $unparsed = substr($raw, 0, $unparsed_character_count);
+ $raw = substr($raw, $unparsed_character_count + strlen($match));
+ return array($raw, $unparsed, $match, $action);
+ }
+ return true;
+ }
+}
+
+/**
+ * Breaks HTML into SAX events.
+ * @package SimpleTest
+ * @subpackage WebTester
+ */
+class SimpleHtmlLexer extends SimpleLexer {
+
+ /**
+ * Sets up the lexer with case insensitive matching
+ * and adds the HTML handlers.
+ * @param SimpleSaxParser $parser Handling strategy by
+ * reference.
+ * @access public
+ */
+ function __construct($parser) {
+ parent::__construct($parser, 'text');
+ $this->mapHandler('text', 'acceptTextToken');
+ $this->addSkipping();
+ foreach ($this->getParsedTags() as $tag) {
+ $this->addTag($tag);
+ }
+ $this->addInTagTokens();
+ }
+
+ /**
+ * List of parsed tags. Others are ignored.
+ * @return array List of searched for tags.
+ * @access private
+ */
+ protected function getParsedTags() {
+ return array('a', 'base', 'title', 'form', 'input', 'button', 'textarea', 'select',
+ 'option', 'frameset', 'frame', 'label');
+ }
+
+ /**
+ * The lexer has to skip certain sections such
+ * as server code, client code and styles.
+ * @access private
+ */
+ protected function addSkipping() {
+ $this->mapHandler('css', 'ignore');
+ $this->addEntryPattern('<style', 'text', 'css');
+ $this->addExitPattern('</style>', 'css');
+ $this->mapHandler('js', 'ignore');
+ $this->addEntryPattern('<script', 'text', 'js');
+ $this->addExitPattern('</script>', 'js');
+ $this->mapHandler('comment', 'ignore');
+ $this->addEntryPattern('<!--', 'text', 'comment');
+ $this->addExitPattern('-->', 'comment');
+ }
+
+ /**
+ * Pattern matches to start and end a tag.
+ * @param string $tag Name of tag to scan for.
+ * @access private
+ */
+ protected function addTag($tag) {
+ $this->addSpecialPattern("</$tag>", 'text', 'acceptEndToken');
+ $this->addEntryPattern("<$tag", 'text', 'tag');
+ }
+
+ /**
+ * Pattern matches to parse the inside of a tag
+ * including the attributes and their quoting.
+ * @access private
+ */
+ protected function addInTagTokens() {
+ $this->mapHandler('tag', 'acceptStartToken');
+ $this->addSpecialPattern('\s+', 'tag', 'ignore');
+ $this->addAttributeTokens();
+ $this->addExitPattern('/>', 'tag');
+ $this->addExitPattern('>', 'tag');
+ }
+
+ /**
+ * Matches attributes that are either single quoted,
+ * double quoted or unquoted.
+ * @access private
+ */
+ protected function addAttributeTokens() {
+ $this->mapHandler('dq_attribute', 'acceptAttributeToken');
+ $this->addEntryPattern('=\s*"', 'tag', 'dq_attribute');
+ $this->addPattern("\\\\\"", 'dq_attribute');
+ $this->addExitPattern('"', 'dq_attribute');
+ $this->mapHandler('sq_attribute', 'acceptAttributeToken');
+ $this->addEntryPattern("=\s*'", 'tag', 'sq_attribute');
+ $this->addPattern("\\\\'", 'sq_attribute');
+ $this->addExitPattern("'", 'sq_attribute');
+ $this->mapHandler('uq_attribute', 'acceptAttributeToken');
+ $this->addSpecialPattern('=\s*[^>\s]*', 'tag', 'uq_attribute');
+ }
+}
+
+/**
+ * Converts HTML tokens into selected SAX events.
+ * @package SimpleTest
+ * @subpackage WebTester
+ */
+class SimpleHtmlSaxParser {
+ private $lexer;
+ private $listener;
+ private $tag;
+ private $attributes;
+ private $current_attribute;
+
+ /**
+ * Sets the listener.
+ * @param SimplePhpPageBuilder $listener SAX event handler.
+ * @access public
+ */
+ function __construct($listener) {
+ $this->listener = $listener;
+ $this->lexer = $this->createLexer($this);
+ $this->tag = '';
+ $this->attributes = array();
+ $this->current_attribute = '';
+ }
+
+ /**
+ * Runs the content through the lexer which
+ * should call back to the acceptors.
+ * @param string $raw Page text to parse.
+ * @return boolean False if parse error.
+ * @access public
+ */
+ function parse($raw) {
+ return $this->lexer->parse($raw);
+ }
+
+ /**
+ * Sets up the matching lexer. Starts in 'text' mode.
+ * @param SimpleSaxParser $parser Event generator, usually $self.
+ * @return SimpleLexer Lexer suitable for this parser.
+ * @access public
+ */
+ static function createLexer(&$parser) {
+ return new SimpleHtmlLexer($parser);
+ }
+
+ /**
+ * Accepts a token from the tag mode. If the
+ * starting element completes then the element
+ * is dispatched and the current attributes
+ * set back to empty. The element or attribute
+ * name is converted to lower case.
+ * @param string $token Incoming characters.
+ * @param integer $event Lexer event type.
+ * @return boolean False if parse error.
+ * @access public
+ */
+ function acceptStartToken($token, $event) {
+ if ($event == LEXER_ENTER) {
+ $this->tag = strtolower(substr($token, 1));
+ return true;
+ }
+ if ($event == LEXER_EXIT) {
+ $success = $this->listener->startElement(
+ $this->tag,
+ $this->attributes);
+ $this->tag = '';
+ $this->attributes = array();
+ return $success;
+ }
+ if ($token != '=') {
+ $this->current_attribute = strtolower(html_entity_decode($token, ENT_QUOTES));
+ $this->attributes[$this->current_attribute] = '';
+ }
+ return true;
+ }
+
+ /**
+ * Accepts a token from the end tag mode.
+ * The element name is converted to lower case.
+ * @param string $token Incoming characters.
+ * @param integer $event Lexer event type.
+ * @return boolean False if parse error.
+ * @access public
+ */
+ function acceptEndToken($token, $event) {
+ if (! preg_match('/<\/(.*)>/', $token, $matches)) {
+ return false;
+ }
+ return $this->listener->endElement(strtolower($matches[1]));
+ }
+
+ /**
+ * Part of the tag data.
+ * @param string $token Incoming characters.
+ * @param integer $event Lexer event type.
+ * @return boolean False if parse error.
+ * @access public
+ */
+ function acceptAttributeToken($token, $event) {
+ if ($this->current_attribute) {
+ if ($event == LEXER_UNMATCHED) {
+ $this->attributes[$this->current_attribute] .=
+ html_entity_decode($token, ENT_QUOTES);
+ }
+ if ($event == LEXER_SPECIAL) {
+ $this->attributes[$this->current_attribute] .=
+ preg_replace('/^=\s*/' , '', html_entity_decode($token, ENT_QUOTES));
+ }
+ }
+ return true;
+ }
+
+ /**
+ * A character entity.
+ * @param string $token Incoming characters.
+ * @param integer $event Lexer event type.
+ * @return boolean False if parse error.
+ * @access public
+ */
+ function acceptEntityToken($token, $event) {
+ }
+
+ /**
+ * Character data between tags regarded as
+ * important.
+ * @param string $token Incoming characters.
+ * @param integer $event Lexer event type.
+ * @return boolean False if parse error.
+ * @access public
+ */
+ function acceptTextToken($token, $event) {
+ return $this->listener->addContent($token);
+ }
+
+ /**
+ * Incoming data to be ignored.
+ * @param string $token Incoming characters.
+ * @param integer $event Lexer event type.
+ * @return boolean False if parse error.
+ * @access public
+ */
+ function ignore($token, $event) {
+ return true;
+ }
+}
+
+/**
+ * SAX event handler. Maintains a list of
+ * open tags and dispatches them as they close.
+ * @package SimpleTest
+ * @subpackage WebTester
+ */
+class SimplePhpPageBuilder {
+ private $tags;
+ private $page;
+ private $private_content_tag;
+ private $open_forms = array();
+ private $complete_forms = array();
+ private $frameset = false;
+ private $loading_frames = array();
+ private $frameset_nesting_level = 0;
+ private $left_over_labels = array();
+
+ /**
+ * Frees up any references so as to allow the PHP garbage
+ * collection from unset() to work.
+ * @access public
+ */
+ function free() {
+ unset($this->tags);
+ unset($this->page);
+ unset($this->private_content_tags);
+ $this->open_forms = array();
+ $this->complete_forms = array();
+ $this->frameset = false;
+ $this->loading_frames = array();
+ $this->frameset_nesting_level = 0;
+ $this->left_over_labels = array();
+ }
+
+ /**
+ * This builder is always available.
+ * @return boolean Always true.
+ */
+ function can() {
+ return true;
+ }
+
+ /**
+ * Reads the raw content and send events
+ * into the page to be built.
+ * @param $response SimpleHttpResponse Fetched response.
+ * @return SimplePage Newly parsed page.
+ * @access public
+ */
+ function parse($response) {
+ $this->tags = array();
+ $this->page = $this->createPage($response);
+ $parser = $this->createParser($this);
+ $parser->parse($response->getContent());
+ $this->acceptPageEnd();
+ $page = $this->page;
+ $this->free();
+ return $page;
+ }
+
+ /**
+ * Creates an empty page.
+ * @return SimplePage New unparsed page.
+ * @access protected
+ */
+ protected function createPage($response) {
+ return new SimplePage($response);
+ }
+
+ /**
+ * Creates the parser used with the builder.
+ * @param SimplePhpPageBuilder $listener Target of parser.
+ * @return SimpleSaxParser Parser to generate
+ * events for the builder.
+ * @access protected
+ */
+ protected function createParser(&$listener) {
+ return new SimpleHtmlSaxParser($listener);
+ }
+
+ /**
+ * Start of element event. Opens a new tag.
+ * @param string $name Element name.
+ * @param hash $attributes Attributes without content
+ * are marked as true.
+ * @return boolean False on parse error.
+ * @access public
+ */
+ function startElement($name, $attributes) {
+ $factory = new SimpleTagBuilder();
+ $tag = $factory->createTag($name, $attributes);
+ if (! $tag) {
+ return true;
+ }
+ if ($tag->getTagName() == 'label') {
+ $this->acceptLabelStart($tag);
+ $this->openTag($tag);
+ return true;
+ }
+ if ($tag->getTagName() == 'form') {
+ $this->acceptFormStart($tag);
+ return true;
+ }
+ if ($tag->getTagName() == 'frameset') {
+ $this->acceptFramesetStart($tag);
+ return true;
+ }
+ if ($tag->getTagName() == 'frame') {
+ $this->acceptFrame($tag);
+ return true;
+ }
+ if ($tag->isPrivateContent() && ! isset($this->private_content_tag)) {
+ $this->private_content_tag = &$tag;
+ }
+ if ($tag->expectEndTag()) {
+ $this->openTag($tag);
+ return true;
+ }
+ $this->acceptTag($tag);
+ return true;
+ }
+
+ /**
+ * End of element event.
+ * @param string $name Element name.
+ * @return boolean False on parse error.
+ * @access public
+ */
+ function endElement($name) {
+ if ($name == 'label') {
+ $this->acceptLabelEnd();
+ return true;
+ }
+ if ($name == 'form') {
+ $this->acceptFormEnd();
+ return true;
+ }
+ if ($name == 'frameset') {
+ $this->acceptFramesetEnd();
+ return true;
+ }
+ if ($this->hasNamedTagOnOpenTagStack($name)) {
+ $tag = array_pop($this->tags[$name]);
+ if ($tag->isPrivateContent() && $this->private_content_tag->getTagName() == $name) {
+ unset($this->private_content_tag);
+ }
+ $this->addContentTagToOpenTags($tag);
+ $this->acceptTag($tag);
+ return true;
+ }
+ return true;
+ }
+
+ /**
+ * Test to see if there are any open tags awaiting
+ * closure that match the tag name.
+ * @param string $name Element name.
+ * @return boolean True if any are still open.
+ * @access private
+ */
+ protected function hasNamedTagOnOpenTagStack($name) {
+ return isset($this->tags[$name]) && (count($this->tags[$name]) > 0);
+ }
+
+ /**
+ * Unparsed, but relevant data. The data is added
+ * to every open tag.
+ * @param string $text May include unparsed tags.
+ * @return boolean False on parse error.
+ * @access public
+ */
+ function addContent($text) {
+ if (isset($this->private_content_tag)) {
+ $this->private_content_tag->addContent($text);
+ } else {
+ $this->addContentToAllOpenTags($text);
+ }
+ return true;
+ }
+
+ /**
+ * Any content fills all currently open tags unless it
+ * is part of an option tag.
+ * @param string $text May include unparsed tags.
+ * @access private
+ */
+ protected function addContentToAllOpenTags($text) {
+ foreach (array_keys($this->tags) as $name) {
+ for ($i = 0, $count = count($this->tags[$name]); $i < $count; $i++) {
+ $this->tags[$name][$i]->addContent($text);
+ }
+ }
+ }
+
+ /**
+ * Parsed data in tag form. The parsed tag is added
+ * to every open tag. Used for adding options to select
+ * fields only.
+ * @param SimpleTag $tag Option tags only.
+ * @access private
+ */
+ protected function addContentTagToOpenTags(&$tag) {
+ if ($tag->getTagName() != 'option') {
+ return;
+ }
+ foreach (array_keys($this->tags) as $name) {
+ for ($i = 0, $count = count($this->tags[$name]); $i < $count; $i++) {
+ $this->tags[$name][$i]->addTag($tag);
+ }
+ }
+ }
+
+ /**
+ * Opens a tag for receiving content. Multiple tags
+ * will be receiving input at the same time.
+ * @param SimpleTag $tag New content tag.
+ * @access private
+ */
+ protected function openTag($tag) {
+ $name = $tag->getTagName();
+ if (! in_array($name, array_keys($this->tags))) {
+ $this->tags[$name] = array();
+ }
+ $this->tags[$name][] = $tag;
+ }
+
+ /**
+ * Adds a tag to the page.
+ * @param SimpleTag $tag Tag to accept.
+ * @access public
+ */
+ protected function acceptTag($tag) {
+ if ($tag->getTagName() == "a") {
+ $this->page->addLink($tag);
+ } elseif ($tag->getTagName() == "base") {
+ $this->page->setBase($tag->getAttribute('href'));
+ } elseif ($tag->getTagName() == "title") {
+ $this->page->setTitle($tag);
+ } elseif ($this->isFormElement($tag->getTagName())) {
+ for ($i = 0; $i < count($this->open_forms); $i++) {
+ $this->open_forms[$i]->addWidget($tag);
+ }
+ $this->last_widget = $tag;
+ }
+ }
+
+ /**
+ * Opens a label for a described widget.
+ * @param SimpleFormTag $tag Tag to accept.
+ * @access public
+ */
+ protected function acceptLabelStart($tag) {
+ $this->label = $tag;
+ unset($this->last_widget);
+ }
+
+ /**
+ * Closes the most recently opened label.
+ * @access public
+ */
+ protected function acceptLabelEnd() {
+ if (isset($this->label)) {
+ if (isset($this->last_widget)) {
+ $this->last_widget->setLabel($this->label->getText());
+ unset($this->last_widget);
+ } else {
+ $this->left_over_labels[] = SimpleTestCompatibility::copy($this->label);
+ }
+ unset($this->label);
+ }
+ }
+
+ /**
+ * Tests to see if a tag is a possible form
+ * element.
+ * @param string $name HTML element name.
+ * @return boolean True if form element.
+ * @access private
+ */
+ protected function isFormElement($name) {
+ return in_array($name, array('input', 'button', 'textarea', 'select'));
+ }
+
+ /**
+ * Opens a form. New widgets go here.
+ * @param SimpleFormTag $tag Tag to accept.
+ * @access public
+ */
+ protected function acceptFormStart($tag) {
+ $this->open_forms[] = new SimpleForm($tag, $this->page);
+ }
+
+ /**
+ * Closes the most recently opened form.
+ * @access public
+ */
+ protected function acceptFormEnd() {
+ if (count($this->open_forms)) {
+ $this->complete_forms[] = array_pop($this->open_forms);
+ }
+ }
+
+ /**
+ * Opens a frameset. A frameset may contain nested
+ * frameset tags.
+ * @param SimpleFramesetTag $tag Tag to accept.
+ * @access public
+ */
+ protected function acceptFramesetStart($tag) {
+ if (! $this->isLoadingFrames()) {
+ $this->frameset = $tag;
+ }
+ $this->frameset_nesting_level++;
+ }
+
+ /**
+ * Closes the most recently opened frameset.
+ * @access public
+ */
+ protected function acceptFramesetEnd() {
+ if ($this->isLoadingFrames()) {
+ $this->frameset_nesting_level--;
+ }
+ }
+
+ /**
+ * Takes a single frame tag and stashes it in
+ * the current frame set.
+ * @param SimpleFrameTag $tag Tag to accept.
+ * @access public
+ */
+ protected function acceptFrame($tag) {
+ if ($this->isLoadingFrames()) {
+ if ($tag->getAttribute('src')) {
+ $this->loading_frames[] = $tag;
+ }
+ }
+ }
+
+ /**
+ * Test to see if in the middle of reading
+ * a frameset.
+ * @return boolean True if inframeset.
+ * @access private
+ */
+ protected function isLoadingFrames() {
+ return $this->frameset and $this->frameset_nesting_level > 0;
+ }
+
+ /**
+ * Marker for end of complete page. Any work in
+ * progress can now be closed.
+ * @access public
+ */
+ protected function acceptPageEnd() {
+ while (count($this->open_forms)) {
+ $this->complete_forms[] = array_pop($this->open_forms);
+ }
+ foreach ($this->left_over_labels as $label) {
+ for ($i = 0, $count = count($this->complete_forms); $i < $count; $i++) {
+ $this->complete_forms[$i]->attachLabelBySelector(
+ new SimpleById($label->getFor()),
+ $label->getText());
+ }
+ }
+ $this->page->setForms($this->complete_forms);
+ $this->page->setFrames($this->loading_frames);
+ }
+}
+?> \ No newline at end of file