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Diffstat (limited to 'vendors/simpletest/tag.php')
| -rw-r--r-- | vendors/simpletest/tag.php | 1418 |
1 files changed, 1418 insertions, 0 deletions
diff --git a/vendors/simpletest/tag.php b/vendors/simpletest/tag.php new file mode 100644 index 000000000..7bccae205 --- /dev/null +++ b/vendors/simpletest/tag.php @@ -0,0 +1,1418 @@ +<?php +/** + * Base include file for SimpleTest. + * @package SimpleTest + * @subpackage WebTester + * @version $Id: tag.php 1723 2008-04-08 00:34:10Z lastcraft $ + */ + +/**#@+ + * include SimpleTest files + */ +require_once(dirname(__FILE__) . '/parser.php'); +require_once(dirname(__FILE__) . '/encoding.php'); +/**#@-*/ + +/** + * HTML or XML tag. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleTag { + var $_name; + var $_attributes; + var $_content; + + /** + * Starts with a named tag with attributes only. + * @param string $name Tag name. + * @param hash $attributes Attribute names and + * string values. Note that + * the keys must have been + * converted to lower case. + */ + function SimpleTag($name, $attributes) { + $this->_name = strtolower(trim($name)); + $this->_attributes = $attributes; + $this->_content = ''; + } + + /** + * Check to see if the tag can have both start and + * end tags with content in between. + * @return boolean True if content allowed. + * @access public + */ + function expectEndTag() { + return true; + } + + /** + * The current tag should not swallow all content for + * itself as it's searchable page content. Private + * content tags are usually widgets that contain default + * values. + * @return boolean False as content is available + * to other tags by default. + * @access public + */ + function isPrivateContent() { + return false; + } + + /** + * Appends string content to the current content. + * @param string $content Additional text. + * @access public + */ + function addContent($content) { + $this->_content .= (string)$content; + } + + /** + * Adds an enclosed tag to the content. + * @param SimpleTag $tag New tag. + * @access public + */ + function addTag(&$tag) { + } + + /** + * Accessor for tag name. + * @return string Name of tag. + * @access public + */ + function getTagName() { + return $this->_name; + } + + /** + * List of legal child elements. + * @return array List of element names. + * @access public + */ + function getChildElements() { + return array(); + } + + /** + * Accessor for an attribute. + * @param string $label Attribute name. + * @return string Attribute value. + * @access public + */ + function getAttribute($label) { + $label = strtolower($label); + if (! isset($this->_attributes[$label])) { + return false; + } + return (string)$this->_attributes[$label]; + } + + /** + * Sets an attribute. + * @param string $label Attribute name. + * @return string $value New attribute value. + * @access protected + */ + function _setAttribute($label, $value) { + $this->_attributes[strtolower($label)] = $value; + } + + /** + * Accessor for the whole content so far. + * @return string Content as big raw string. + * @access public + */ + function getContent() { + return $this->_content; + } + + /** + * Accessor for content reduced to visible text. Acts + * like a text mode browser, normalising space and + * reducing images to their alt text. + * @return string Content as plain text. + * @access public + */ + function getText() { + return SimpleHtmlSaxParser::normalise($this->_content); + } + + /** + * Test to see if id attribute matches. + * @param string $id ID to test against. + * @return boolean True on match. + * @access public + */ + function isId($id) { + return ($this->getAttribute('id') == $id); + } +} + +/** + * Base url. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleBaseTag extends SimpleTag { + + /** + * Starts with a named tag with attributes only. + * @param hash $attributes Attribute names and + * string values. + */ + function SimpleBaseTag($attributes) { + $this->SimpleTag('base', $attributes); + } + + /** + * Base tag is not a block tag. + * @return boolean false + * @access public + */ + function expectEndTag() { + return false; + } +} + +/** + * Page title. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleTitleTag extends SimpleTag { + + /** + * Starts with a named tag with attributes only. + * @param hash $attributes Attribute names and + * string values. + */ + function SimpleTitleTag($attributes) { + $this->SimpleTag('title', $attributes); + } +} + +/** + * Link. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleAnchorTag extends SimpleTag { + + /** + * Starts with a named tag with attributes only. + * @param hash $attributes Attribute names and + * string values. + */ + function SimpleAnchorTag($attributes) { + $this->SimpleTag('a', $attributes); + } + + /** + * Accessor for URL as string. + * @return string Coerced as string. + * @access public + */ + function getHref() { + $url = $this->getAttribute('href'); + if (is_bool($url)) { + $url = ''; + } + return $url; + } +} + +/** + * Form element. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleWidget extends SimpleTag { + var $_value; + var $_label; + var $_is_set; + + /** + * Starts with a named tag with attributes only. + * @param string $name Tag name. + * @param hash $attributes Attribute names and + * string values. + */ + function SimpleWidget($name, $attributes) { + $this->SimpleTag($name, $attributes); + $this->_value = false; + $this->_label = false; + $this->_is_set = false; + } + + /** + * Accessor for name submitted as the key in + * GET/POST variables hash. + * @return string Parsed value. + * @access public + */ + function getName() { + return $this->getAttribute('name'); + } + + /** + * Accessor for default value parsed with the tag. + * @return string Parsed value. + * @access public + */ + function getDefault() { + return $this->getAttribute('value'); + } + + /** + * Accessor for currently set value or default if + * none. + * @return string Value set by form or default + * if none. + * @access public + */ + function getValue() { + if (! $this->_is_set) { + return $this->getDefault(); + } + return $this->_value; + } + + /** + * Sets the current form element value. + * @param string $value New value. + * @return boolean True if allowed. + * @access public + */ + function setValue($value) { + $this->_value = $value; + $this->_is_set = true; + return true; + } + + /** + * Resets the form element value back to the + * default. + * @access public + */ + function resetValue() { + $this->_is_set = false; + } + + /** + * Allows setting of a label externally, say by a + * label tag. + * @param string $label Label to attach. + * @access public + */ + function setLabel($label) { + $this->_label = trim($label); + } + + /** + * Reads external or internal label. + * @param string $label Label to test. + * @return boolean True is match. + * @access public + */ + function isLabel($label) { + return $this->_label == trim($label); + } + + /** + * Dispatches the value into the form encoded packet. + * @param SimpleEncoding $encoding Form packet. + * @access public + */ + function write(&$encoding) { + if ($this->getName()) { + $encoding->add($this->getName(), $this->getValue()); + } + } +} + +/** + * Text, password and hidden field. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleTextTag extends SimpleWidget { + + /** + * Starts with a named tag with attributes only. + * @param hash $attributes Attribute names and + * string values. + */ + function SimpleTextTag($attributes) { + $this->SimpleWidget('input', $attributes); + if ($this->getAttribute('value') === false) { + $this->_setAttribute('value', ''); + } + } + + /** + * Tag contains no content. + * @return boolean False. + * @access public + */ + function expectEndTag() { + return false; + } + + /** + * Sets the current form element value. Cannot + * change the value of a hidden field. + * @param string $value New value. + * @return boolean True if allowed. + * @access public + */ + function setValue($value) { + if ($this->getAttribute('type') == 'hidden') { + return false; + } + return parent::setValue($value); + } +} + +/** + * Submit button as input tag. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleSubmitTag extends SimpleWidget { + + /** + * Starts with a named tag with attributes only. + * @param hash $attributes Attribute names and + * string values. + */ + function SimpleSubmitTag($attributes) { + $this->SimpleWidget('input', $attributes); + if ($this->getAttribute('value') === false) { + $this->_setAttribute('value', 'Submit'); + } + } + + /** + * Tag contains no end element. + * @return boolean False. + * @access public + */ + function expectEndTag() { + return false; + } + + /** + * Disables the setting of the button value. + * @param string $value Ignored. + * @return boolean True if allowed. + * @access public + */ + function setValue($value) { + return false; + } + + /** + * Value of browser visible text. + * @return string Visible label. + * @access public + */ + function getLabel() { + return $this->getValue(); + } + + /** + * Test for a label match when searching. + * @param string $label Label to test. + * @return boolean True on match. + * @access public + */ + function isLabel($label) { + return trim($label) == trim($this->getLabel()); + } +} + +/** + * Image button as input tag. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleImageSubmitTag extends SimpleWidget { + + /** + * Starts with a named tag with attributes only. + * @param hash $attributes Attribute names and + * string values. + */ + function SimpleImageSubmitTag($attributes) { + $this->SimpleWidget('input', $attributes); + } + + /** + * Tag contains no end element. + * @return boolean False. + * @access public + */ + function expectEndTag() { + return false; + } + + /** + * Disables the setting of the button value. + * @param string $value Ignored. + * @return boolean True if allowed. + * @access public + */ + function setValue($value) { + return false; + } + + /** + * Value of browser visible text. + * @return string Visible label. + * @access public + */ + function getLabel() { + if ($this->getAttribute('title')) { + return $this->getAttribute('title'); + } + return $this->getAttribute('alt'); + } + + /** + * Test for a label match when searching. + * @param string $label Label to test. + * @return boolean True on match. + * @access public + */ + function isLabel($label) { + return trim($label) == trim($this->getLabel()); + } + + /** + * Dispatches the value into the form encoded packet. + * @param SimpleEncoding $encoding Form packet. + * @param integer $x X coordinate of click. + * @param integer $y Y coordinate of click. + * @access public + */ + function write(&$encoding, $x, $y) { + if ($this->getName()) { + $encoding->add($this->getName() . '.x', $x); + $encoding->add($this->getName() . '.y', $y); + } else { + $encoding->add('x', $x); + $encoding->add('y', $y); + } + } +} + +/** + * Submit button as button tag. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleButtonTag extends SimpleWidget { + + /** + * Starts with a named tag with attributes only. + * Defaults are very browser dependent. + * @param hash $attributes Attribute names and + * string values. + */ + function SimpleButtonTag($attributes) { + $this->SimpleWidget('button', $attributes); + } + + /** + * Check to see if the tag can have both start and + * end tags with content in between. + * @return boolean True if content allowed. + * @access public + */ + function expectEndTag() { + return true; + } + + /** + * Disables the setting of the button value. + * @param string $value Ignored. + * @return boolean True if allowed. + * @access public + */ + function setValue($value) { + return false; + } + + /** + * Value of browser visible text. + * @return string Visible label. + * @access public + */ + function getLabel() { + return $this->getContent(); + } + + /** + * Test for a label match when searching. + * @param string $label Label to test. + * @return boolean True on match. + * @access public + */ + function isLabel($label) { + return trim($label) == trim($this->getLabel()); + } +} + +/** + * Content tag for text area. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleTextAreaTag extends SimpleWidget { + + /** + * Starts with a named tag with attributes only. + * @param hash $attributes Attribute names and + * string values. + */ + function SimpleTextAreaTag($attributes) { + $this->SimpleWidget('textarea', $attributes); + } + + /** + * Accessor for starting value. + * @return string Parsed value. + * @access public + */ + function getDefault() { + return $this->_wrap(SimpleHtmlSaxParser::decodeHtml($this->getContent())); + } + + /** + * Applies word wrapping if needed. + * @param string $value New value. + * @return boolean True if allowed. + * @access public + */ + function setValue($value) { + return parent::setValue($this->_wrap($value)); + } + + /** + * Test to see if text should be wrapped. + * @return boolean True if wrapping on. + * @access private + */ + function _wrapIsEnabled() { + if ($this->getAttribute('cols')) { + $wrap = $this->getAttribute('wrap'); + if (($wrap == 'physical') || ($wrap == 'hard')) { + return true; + } + } + return false; + } + + /** + * Performs the formatting that is peculiar to + * this tag. There is strange behaviour in this + * one, including stripping a leading new line. + * Go figure. I am using Firefox as a guide. + * @param string $text Text to wrap. + * @return string Text wrapped with carriage + * returns and line feeds + * @access private + */ + function _wrap($text) { + $text = str_replace("\r\r\n", "\r\n", str_replace("\n", "\r\n", $text)); + $text = str_replace("\r\n\n", "\r\n", str_replace("\r", "\r\n", $text)); + if (strncmp($text, "\r\n", strlen("\r\n")) == 0) { + $text = substr($text, strlen("\r\n")); + } + if ($this->_wrapIsEnabled()) { + return wordwrap( + $text, + (integer)$this->getAttribute('cols'), + "\r\n"); + } + return $text; + } + + /** + * The content of textarea is not part of the page. + * @return boolean True. + * @access public + */ + function isPrivateContent() { + return true; + } +} + +/** + * File upload widget. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleUploadTag extends SimpleWidget { + + /** + * Starts with attributes only. + * @param hash $attributes Attribute names and + * string values. + */ + function SimpleUploadTag($attributes) { + $this->SimpleWidget('input', $attributes); + } + + /** + * Tag contains no content. + * @return boolean False. + * @access public + */ + function expectEndTag() { + return false; + } + + /** + * Dispatches the value into the form encoded packet. + * @param SimpleEncoding $encoding Form packet. + * @access public + */ + function write(&$encoding) { + if (! file_exists($this->getValue())) { + return; + } + $encoding->attach( + $this->getName(), + implode('', file($this->getValue())), + basename($this->getValue())); + } +} + +/** + * Drop down widget. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleSelectionTag extends SimpleWidget { + var $_options; + var $_choice; + + /** + * Starts with attributes only. + * @param hash $attributes Attribute names and + * string values. + */ + function SimpleSelectionTag($attributes) { + $this->SimpleWidget('select', $attributes); + $this->_options = array(); + $this->_choice = false; + } + + /** + * Adds an option tag to a selection field. + * @param SimpleOptionTag $tag New option. + * @access public + */ + function addTag(&$tag) { + if ($tag->getTagName() == 'option') { + $this->_options[] = &$tag; + } + } + + /** + * Text within the selection element is ignored. + * @param string $content Ignored. + * @access public + */ + function addContent($content) { + } + + /** + * Scans options for defaults. If none, then + * the first option is selected. + * @return string Selected field. + * @access public + */ + function getDefault() { + for ($i = 0, $count = count($this->_options); $i < $count; $i++) { + if ($this->_options[$i]->getAttribute('selected') !== false) { + return $this->_options[$i]->getDefault(); + } + } + if ($count > 0) { + return $this->_options[0]->getDefault(); + } + return ''; + } + + /** + * Can only set allowed values. + * @param string $value New choice. + * @return boolean True if allowed. + * @access public + */ + function setValue($value) { + for ($i = 0, $count = count($this->_options); $i < $count; $i++) { + if ($this->_options[$i]->isValue($value)) { + $this->_choice = $i; + return true; + } + } + return false; + } + + /** + * Accessor for current selection value. + * @return string Value attribute or + * content of opton. + * @access public + */ + function getValue() { + if ($this->_choice === false) { + return $this->getDefault(); + } + return $this->_options[$this->_choice]->getValue(); + } +} + +/** + * Drop down widget. + * @package SimpleTest + * @subpackage WebTester + */ +class MultipleSelectionTag extends SimpleWidget { + var $_options; + var $_values; + + /** + * Starts with attributes only. + * @param hash $attributes Attribute names and + * string values. + */ + function MultipleSelectionTag($attributes) { + $this->SimpleWidget('select', $attributes); + $this->_options = array(); + $this->_values = false; + } + + /** + * Adds an option tag to a selection field. + * @param SimpleOptionTag $tag New option. + * @access public + */ + function addTag(&$tag) { + if ($tag->getTagName() == 'option') { + $this->_options[] = &$tag; + } + } + + /** + * Text within the selection element is ignored. + * @param string $content Ignored. + * @access public + */ + function addContent($content) { + } + + /** + * Scans options for defaults to populate the + * value array(). + * @return array Selected fields. + * @access public + */ + function getDefault() { + $default = array(); + for ($i = 0, $count = count($this->_options); $i < $count; $i++) { + if ($this->_options[$i]->getAttribute('selected') !== false) { + $default[] = $this->_options[$i]->getDefault(); + } + } + return $default; + } + + /** + * Can only set allowed values. Any illegal value + * will result in a failure, but all correct values + * will be set. + * @param array $desired New choices. + * @return boolean True if all allowed. + * @access public + */ + function setValue($desired) { + $achieved = array(); + foreach ($desired as $value) { + $success = false; + for ($i = 0, $count = count($this->_options); $i < $count; $i++) { + if ($this->_options[$i]->isValue($value)) { + $achieved[] = $this->_options[$i]->getValue(); + $success = true; + break; + } + } + if (! $success) { + return false; + } + } + $this->_values = $achieved; + return true; + } + + /** + * Accessor for current selection value. + * @return array List of currently set options. + * @access public + */ + function getValue() { + if ($this->_values === false) { + return $this->getDefault(); + } + return $this->_values; + } +} + +/** + * Option for selection field. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleOptionTag extends SimpleWidget { + + /** + * Stashes the attributes. + */ + function SimpleOptionTag($attributes) { + $this->SimpleWidget('option', $attributes); + } + + /** + * Does nothing. + * @param string $value Ignored. + * @return boolean Not allowed. + * @access public + */ + function setValue($value) { + return false; + } + + /** + * Test to see if a value matches the option. + * @param string $compare Value to compare with. + * @return boolean True if possible match. + * @access public + */ + function isValue($compare) { + $compare = trim($compare); + if (trim($this->getValue()) == $compare) { + return true; + } + return trim($this->getContent()) == $compare; + } + + /** + * Accessor for starting value. Will be set to + * the option label if no value exists. + * @return string Parsed value. + * @access public + */ + function getDefault() { + if ($this->getAttribute('value') === false) { + return $this->getContent(); + } + return $this->getAttribute('value'); + } + + /** + * The content of options is not part of the page. + * @return boolean True. + * @access public + */ + function isPrivateContent() { + return true; + } +} + +/** + * Radio button. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleRadioButtonTag extends SimpleWidget { + + /** + * Stashes the attributes. + * @param array $attributes Hash of attributes. + */ + function SimpleRadioButtonTag($attributes) { + $this->SimpleWidget('input', $attributes); + if ($this->getAttribute('value') === false) { + $this->_setAttribute('value', 'on'); + } + } + + /** + * Tag contains no content. + * @return boolean False. + * @access public + */ + function expectEndTag() { + return false; + } + + /** + * The only allowed value sn the one in the + * "value" attribute. + * @param string $value New value. + * @return boolean True if allowed. + * @access public + */ + function setValue($value) { + if ($value === false) { + return parent::setValue($value); + } + if ($value != $this->getAttribute('value')) { + return false; + } + return parent::setValue($value); + } + + /** + * Accessor for starting value. + * @return string Parsed value. + * @access public + */ + function getDefault() { + if ($this->getAttribute('checked') !== false) { + return $this->getAttribute('value'); + } + return false; + } +} + +/** + * Checkbox widget. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleCheckboxTag extends SimpleWidget { + + /** + * Starts with attributes only. + * @param hash $attributes Attribute names and + * string values. + */ + function SimpleCheckboxTag($attributes) { + $this->SimpleWidget('input', $attributes); + if ($this->getAttribute('value') === false) { + $this->_setAttribute('value', 'on'); + } + } + + /** + * Tag contains no content. + * @return boolean False. + * @access public + */ + function expectEndTag() { + return false; + } + + /** + * The only allowed value in the one in the + * "value" attribute. The default for this + * attribute is "on". If this widget is set to + * true, then the usual value will be taken. + * @param string $value New value. + * @return boolean True if allowed. + * @access public + */ + function setValue($value) { + if ($value === false) { + return parent::setValue($value); + } + if ($value === true) { + return parent::setValue($this->getAttribute('value')); + } + if ($value != $this->getAttribute('value')) { + return false; + } + return parent::setValue($value); + } + + /** + * Accessor for starting value. The default + * value is "on". + * @return string Parsed value. + * @access public + */ + function getDefault() { + if ($this->getAttribute('checked') !== false) { + return $this->getAttribute('value'); + } + return false; + } +} + +/** + * A group of multiple widgets with some shared behaviour. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleTagGroup { + var $_widgets = array(); + + /** + * Adds a tag to the group. + * @param SimpleWidget $widget + * @access public + */ + function addWidget(&$widget) { + $this->_widgets[] = &$widget; + } + + /** + * Accessor to widget set. + * @return array All widgets. + * @access protected + */ + function &_getWidgets() { + return $this->_widgets; + } + + /** + * Accessor for an attribute. + * @param string $label Attribute name. + * @return boolean Always false. + * @access public + */ + function getAttribute($label) { + return false; + } + + /** + * Fetches the name for the widget from the first + * member. + * @return string Name of widget. + * @access public + */ + function getName() { + if (count($this->_widgets) > 0) { + return $this->_widgets[0]->getName(); + } + } + + /** + * Scans the widgets for one with the appropriate + * ID field. + * @param string $id ID value to try. + * @return boolean True if matched. + * @access public + */ + function isId($id) { + for ($i = 0, $count = count($this->_widgets); $i < $count; $i++) { + if ($this->_widgets[$i]->isId($id)) { + return true; + } + } + return false; + } + + /** + * Scans the widgets for one with the appropriate + * attached label. + * @param string $label Attached label to try. + * @return boolean True if matched. + * @access public + */ + function isLabel($label) { + for ($i = 0, $count = count($this->_widgets); $i < $count; $i++) { + if ($this->_widgets[$i]->isLabel($label)) { + return true; + } + } + return false; + } + + /** + * Dispatches the value into the form encoded packet. + * @param SimpleEncoding $encoding Form packet. + * @access public + */ + function write(&$encoding) { + $encoding->add($this->getName(), $this->getValue()); + } +} + +/** + * A group of tags with the same name within a form. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleCheckboxGroup extends SimpleTagGroup { + + /** + * Accessor for current selected widget or false + * if none. + * @return string/array Widget values or false if none. + * @access public + */ + function getValue() { + $values = array(); + $widgets = &$this->_getWidgets(); + for ($i = 0, $count = count($widgets); $i < $count; $i++) { + if ($widgets[$i]->getValue() !== false) { + $values[] = $widgets[$i]->getValue(); + } + } + return $this->_coerceValues($values); + } + + /** + * Accessor for starting value that is active. + * @return string/array Widget values or false if none. + * @access public + */ + function getDefault() { + $values = array(); + $widgets = &$this->_getWidgets(); + for ($i = 0, $count = count($widgets); $i < $count; $i++) { + if ($widgets[$i]->getDefault() !== false) { + $values[] = $widgets[$i]->getDefault(); + } + } + return $this->_coerceValues($values); + } + + /** + * Accessor for current set values. + * @param string/array/boolean $values Either a single string, a + * hash or false for nothing set. + * @return boolean True if all values can be set. + * @access public + */ + function setValue($values) { + $values = $this->_makeArray($values); + if (! $this->_valuesArePossible($values)) { + return false; + } + $widgets = &$this->_getWidgets(); + for ($i = 0, $count = count($widgets); $i < $count; $i++) { + $possible = $widgets[$i]->getAttribute('value'); + if (in_array($widgets[$i]->getAttribute('value'), $values)) { + $widgets[$i]->setValue($possible); + } else { + $widgets[$i]->setValue(false); + } + } + return true; + } + + /** + * Tests to see if a possible value set is legal. + * @param string/array/boolean $values Either a single string, a + * hash or false for nothing set. + * @return boolean False if trying to set a + * missing value. + * @access private + */ + function _valuesArePossible($values) { + $matches = array(); + $widgets = &$this->_getWidgets(); + for ($i = 0, $count = count($widgets); $i < $count; $i++) { + $possible = $widgets[$i]->getAttribute('value'); + if (in_array($possible, $values)) { + $matches[] = $possible; + } + } + return ($values == $matches); + } + + /** + * Converts the output to an appropriate format. This means + * that no values is false, a single value is just that + * value and only two or more are contained in an array. + * @param array $values List of values of widgets. + * @return string/array/boolean Expected format for a tag. + * @access private + */ + function _coerceValues($values) { + if (count($values) == 0) { + return false; + } elseif (count($values) == 1) { + return $values[0]; + } else { + return $values; + } + } + + /** + * Converts false or string into array. The opposite of + * the coercian method. + * @param string/array/boolean $value A single item is converted + * to a one item list. False + * gives an empty list. + * @return array List of values, possibly empty. + * @access private + */ + function _makeArray($value) { + if ($value === false) { + return array(); + } + if (is_string($value)) { + return array($value); + } + return $value; + } +} + +/** + * A group of tags with the same name within a form. + * Used for radio buttons. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleRadioGroup extends SimpleTagGroup { + + /** + * Each tag is tried in turn until one is + * successfully set. The others will be + * unchecked if successful. + * @param string $value New value. + * @return boolean True if any allowed. + * @access public + */ + function setValue($value) { + if (! $this->_valueIsPossible($value)) { + return false; + } + $index = false; + $widgets = &$this->_getWidgets(); + for ($i = 0, $count = count($widgets); $i < $count; $i++) { + if (! $widgets[$i]->setValue($value)) { + $widgets[$i]->setValue(false); + } + } + return true; + } + + /** + * Tests to see if a value is allowed. + * @param string Attempted value. + * @return boolean True if a valid value. + * @access private + */ + function _valueIsPossible($value) { + $widgets = &$this->_getWidgets(); + for ($i = 0, $count = count($widgets); $i < $count; $i++) { + if ($widgets[$i]->getAttribute('value') == $value) { + return true; + } + } + return false; + } + + /** + * Accessor for current selected widget or false + * if none. + * @return string/boolean Value attribute or + * content of opton. + * @access public + */ + function getValue() { + $widgets = &$this->_getWidgets(); + for ($i = 0, $count = count($widgets); $i < $count; $i++) { + if ($widgets[$i]->getValue() !== false) { + return $widgets[$i]->getValue(); + } + } + return false; + } + + /** + * Accessor for starting value that is active. + * @return string/boolean Value of first checked + * widget or false if none. + * @access public + */ + function getDefault() { + $widgets = &$this->_getWidgets(); + for ($i = 0, $count = count($widgets); $i < $count; $i++) { + if ($widgets[$i]->getDefault() !== false) { + return $widgets[$i]->getDefault(); + } + } + return false; + } +} + +/** + * Tag to keep track of labels. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleLabelTag extends SimpleTag { + + /** + * Starts with a named tag with attributes only. + * @param hash $attributes Attribute names and + * string values. + */ + function SimpleLabelTag($attributes) { + $this->SimpleTag('label', $attributes); + } + + /** + * Access for the ID to attach the label to. + * @return string For attribute. + * @access public + */ + function getFor() { + return $this->getAttribute('for'); + } +} + +/** + * Tag to aid parsing the form. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleFormTag extends SimpleTag { + + /** + * Starts with a named tag with attributes only. + * @param hash $attributes Attribute names and + * string values. + */ + function SimpleFormTag($attributes) { + $this->SimpleTag('form', $attributes); + } +} + +/** + * Tag to aid parsing the frames in a page. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleFrameTag extends SimpleTag { + + /** + * Starts with a named tag with attributes only. + * @param hash $attributes Attribute names and + * string values. + */ + function SimpleFrameTag($attributes) { + $this->SimpleTag('frame', $attributes); + } + + /** + * Tag contains no content. + * @return boolean False. + * @access public + */ + function expectEndTag() { + return false; + } +} +?>
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