From ef2e7b3f9d264ec146d4dae257b1e295ab3b462a Mon Sep 17 00:00:00 2001 From: Hugues Hiegel Date: Tue, 21 Apr 2015 12:45:58 +0200 Subject: updates - plugins as a separate git folder --- .../lib/Roundcube/rcube_sieve_script.php | 1217 -------------------- 1 file changed, 1217 deletions(-) delete mode 100644 plugins/managesieve/lib/Roundcube/rcube_sieve_script.php (limited to 'plugins/managesieve/lib/Roundcube/rcube_sieve_script.php') diff --git a/plugins/managesieve/lib/Roundcube/rcube_sieve_script.php b/plugins/managesieve/lib/Roundcube/rcube_sieve_script.php deleted file mode 100644 index 518d79d35..000000000 --- a/plugins/managesieve/lib/Roundcube/rcube_sieve_script.php +++ /dev/null @@ -1,1217 +0,0 @@ -supported as $idx => $ext) { - if (!in_array($ext, $capabilities)) { - unset($this->supported[$idx]); - } - } - } - - // Parse text content of the script - $this->_parse_text($script); - } - - /** - * Adds rule to the script (at the end) - * - * @param string Rule name - * @param array Rule content (as array) - * - * @return int The index of the new rule - */ - public function add_rule($content) - { - // TODO: check this->supported - array_push($this->content, $content); - return sizeof($this->content)-1; - } - - public function delete_rule($index) - { - if(isset($this->content[$index])) { - unset($this->content[$index]); - return true; - } - return false; - } - - public function size() - { - return sizeof($this->content); - } - - public function update_rule($index, $content) - { - // TODO: check this->supported - if ($this->content[$index]) { - $this->content[$index] = $content; - return $index; - } - return false; - } - - /** - * Sets "global" variable - * - * @param string $name Variable name - * @param string $value Variable value - * @param array $mods Variable modifiers - */ - public function set_var($name, $value, $mods = array()) - { - // Check if variable exists - for ($i=0, $len=count($this->vars); $i<$len; $i++) { - if ($this->vars[$i]['name'] == $name) { - break; - } - } - - $var = array_merge($mods, array('name' => $name, 'value' => $value)); - $this->vars[$i] = $var; - } - - /** - * Unsets "global" variable - * - * @param string $name Variable name - */ - public function unset_var($name) - { - // Check if variable exists - foreach ($this->vars as $idx => $var) { - if ($var['name'] == $name) { - unset($this->vars[$idx]); - break; - } - } - } - - /** - * Gets the value of "global" variable - * - * @param string $name Variable name - * - * @return string Variable value - */ - public function get_var($name) - { - // Check if variable exists - for ($i=0, $len=count($this->vars); $i<$len; $i++) { - if ($this->vars[$i]['name'] == $name) { - return $this->vars[$i]['name']; - } - } - } - - /** - * Sets script header content - * - * @param string $text Header content - */ - public function set_prefix($text) - { - $this->prefix = $text; - } - - /** - * Returns script as text - */ - public function as_text() - { - $output = ''; - $exts = array(); - $idx = 0; - - if (!empty($this->vars)) { - if (in_array('variables', (array)$this->supported)) { - $has_vars = true; - array_push($exts, 'variables'); - } - foreach ($this->vars as $var) { - if (empty($has_vars)) { - // 'variables' extension not supported, put vars in comments - $output .= sprintf("# %s %s\n", $var['name'], $var['value']); - } - else { - $output .= 'set '; - foreach (array_diff(array_keys($var), array('name', 'value')) as $opt) { - $output .= ":$opt "; - } - $output .= self::escape_string($var['name']) . ' ' . self::escape_string($var['value']) . ";\n"; - } - } - } - - $imapflags = in_array('imap4flags', $this->supported) ? 'imap4flags' : 'imapflags'; - $notify = in_array('enotify', $this->supported) ? 'enotify' : 'notify'; - - // rules - foreach ($this->content as $rule) { - $script = ''; - $tests = array(); - $i = 0; - - // header - if (!empty($rule['name']) && strlen($rule['name'])) { - $script .= '# rule:[' . $rule['name'] . "]\n"; - } - - // constraints expressions - if (!empty($rule['tests'])) { - foreach ($rule['tests'] as $test) { - $tests[$i] = ''; - switch ($test['test']) { - case 'size': - $tests[$i] .= ($test['not'] ? 'not ' : ''); - $tests[$i] .= 'size :' . ($test['type']=='under' ? 'under ' : 'over ') . $test['arg']; - break; - - case 'true': - $tests[$i] .= ($test['not'] ? 'false' : 'true'); - break; - - case 'exists': - $tests[$i] .= ($test['not'] ? 'not ' : ''); - $tests[$i] .= 'exists ' . self::escape_string($test['arg']); - break; - - case 'header': - $tests[$i] .= ($test['not'] ? 'not ' : ''); - $tests[$i] .= 'header'; - - $this->add_index($test, $tests[$i], $exts); - $this->add_operator($test, $tests[$i], $exts); - - $tests[$i] .= ' ' . self::escape_string($test['arg1']); - $tests[$i] .= ' ' . self::escape_string($test['arg2']); - break; - - case 'address': - case 'envelope': - if ($test['test'] == 'envelope') { - array_push($exts, 'envelope'); - } - - $tests[$i] .= ($test['not'] ? 'not ' : ''); - $tests[$i] .= $test['test']; - - if ($test['test'] != 'envelope') { - $this->add_index($test, $tests[$i], $exts); - } - - // :all address-part is optional, skip it - if (!empty($test['part']) && $test['part'] != 'all') { - $tests[$i] .= ' :' . $test['part']; - if ($test['part'] == 'user' || $test['part'] == 'detail') { - array_push($exts, 'subaddress'); - } - } - - $this->add_operator($test, $tests[$i], $exts); - - $tests[$i] .= ' ' . self::escape_string($test['arg1']); - $tests[$i] .= ' ' . self::escape_string($test['arg2']); - break; - - case 'body': - array_push($exts, 'body'); - - $tests[$i] .= ($test['not'] ? 'not ' : '') . 'body'; - - if (!empty($test['part'])) { - $tests[$i] .= ' :' . $test['part']; - - if (!empty($test['content']) && $test['part'] == 'content') { - $tests[$i] .= ' ' . self::escape_string($test['content']); - } - } - - $this->add_operator($test, $tests[$i], $exts); - - $tests[$i] .= ' ' . self::escape_string($test['arg']); - break; - - case 'date': - case 'currentdate': - array_push($exts, 'date'); - - $tests[$i] .= ($test['not'] ? 'not ' : '') . $test['test']; - - $this->add_index($test, $tests[$i], $exts); - - if (!empty($test['originalzone']) && $test['test'] == 'date') { - $tests[$i] .= ' :originalzone'; - } - else if (!empty($test['zone'])) { - $tests[$i] .= ' :zone ' . self::escape_string($test['zone']); - } - - $this->add_operator($test, $tests[$i], $exts); - - if ($test['test'] == 'date') { - $tests[$i] .= ' ' . self::escape_string($test['header']); - } - - $tests[$i] .= ' ' . self::escape_string($test['part']); - $tests[$i] .= ' ' . self::escape_string($test['arg']); - - break; - } - $i++; - } - } - - // disabled rule: if false #.... - if (!empty($tests)) { - $script .= 'if ' . ($rule['disabled'] ? 'false # ' : ''); - - if (count($tests) > 1) { - $tests_str = implode(', ', $tests); - } - else { - $tests_str = $tests[0]; - } - - if ($rule['join'] || count($tests) > 1) { - $script .= sprintf('%s (%s)', $rule['join'] ? 'allof' : 'anyof', $tests_str); - } - else { - $script .= $tests_str; - } - $script .= "\n{\n"; - } - - // action(s) - if (!empty($rule['actions'])) { - foreach ($rule['actions'] as $action) { - $action_script = ''; - - switch ($action['type']) { - - case 'fileinto': - array_push($exts, 'fileinto'); - $action_script .= 'fileinto '; - if ($action['copy']) { - $action_script .= ':copy '; - array_push($exts, 'copy'); - } - $action_script .= self::escape_string($action['target']); - break; - - case 'redirect': - $action_script .= 'redirect '; - if ($action['copy']) { - $action_script .= ':copy '; - array_push($exts, 'copy'); - } - $action_script .= self::escape_string($action['target']); - break; - - case 'reject': - case 'ereject': - array_push($exts, $action['type']); - $action_script .= $action['type'].' ' - . self::escape_string($action['target']); - break; - - case 'addflag': - case 'setflag': - case 'removeflag': - array_push($exts, $imapflags); - $action_script .= $action['type'].' ' - . self::escape_string($action['target']); - break; - - case 'keep': - case 'discard': - case 'stop': - $action_script .= $action['type']; - break; - - case 'include': - array_push($exts, 'include'); - $action_script .= 'include '; - foreach (array_diff(array_keys($action), array('target', 'type')) as $opt) { - $action_script .= ":$opt "; - } - $action_script .= self::escape_string($action['target']); - break; - - case 'set': - array_push($exts, 'variables'); - $action_script .= 'set '; - foreach (array_diff(array_keys($action), array('name', 'value', 'type')) as $opt) { - $action_script .= ":$opt "; - } - $action_script .= self::escape_string($action['name']) . ' ' . self::escape_string($action['value']); - break; - - case 'notify': - array_push($exts, $notify); - $action_script .= 'notify'; - - $method = $action['method']; - unset($action['method']); - $action['options'] = (array) $action['options']; - - // Here we support draft-martin-sieve-notify-01 used by Cyrus - if ($notify == 'notify') { - switch ($action['importance']) { - case 1: $action_script .= " :high"; break; - //case 2: $action_script .= " :normal"; break; - case 3: $action_script .= " :low"; break; - } - - // Old-draft way: :method "mailto" :options "email@address" - if (!empty($method)) { - $parts = explode(':', $method, 2); - $action['method'] = $parts[0]; - array_unshift($action['options'], $parts[1]); - } - - unset($action['importance']); - unset($action['from']); - unset($method); - } - - foreach (array('id', 'importance', 'method', 'options', 'from', 'message') as $n_tag) { - if (!empty($action[$n_tag])) { - $action_script .= " :$n_tag " . self::escape_string($action[$n_tag]); - } - } - - if (!empty($method)) { - $action_script .= ' ' . self::escape_string($method); - } - - break; - - case 'vacation': - array_push($exts, 'vacation'); - $action_script .= 'vacation'; - if (isset($action['seconds'])) { - array_push($exts, 'vacation-seconds'); - $action_script .= " :seconds " . intval($action['seconds']); - } - else if (!empty($action['days'])) { - $action_script .= " :days " . intval($action['days']); - } - if (!empty($action['addresses'])) - $action_script .= " :addresses " . self::escape_string($action['addresses']); - if (!empty($action['subject'])) - $action_script .= " :subject " . self::escape_string($action['subject']); - if (!empty($action['handle'])) - $action_script .= " :handle " . self::escape_string($action['handle']); - if (!empty($action['from'])) - $action_script .= " :from " . self::escape_string($action['from']); - if (!empty($action['mime'])) - $action_script .= " :mime"; - $action_script .= " " . self::escape_string($action['reason']); - break; - } - - if ($action_script) { - $script .= !empty($tests) ? "\t" : ''; - $script .= $action_script . ";\n"; - } - } - } - - if ($script) { - $output .= $script . (!empty($tests) ? "}\n" : ''); - $idx++; - } - } - - // requires - if (!empty($exts)) { - $exts = array_unique($exts); - - if (in_array('vacation-seconds', $exts) && ($key = array_search('vacation', $exts)) !== false) { - unset($exts[$key]); - } - - sort($exts); // for convenience use always the same order - - $output = 'require ["' . implode('","', $exts) . "\"];\n" . $output; - } - - if (!empty($this->prefix)) { - $output = $this->prefix . "\n\n" . $output; - } - - return $output; - } - - /** - * Returns script object - * - */ - public function as_array() - { - return $this->content; - } - - /** - * Returns array of supported extensions - * - */ - public function get_extensions() - { - return array_values($this->supported); - } - - /** - * Converts text script to rules array - * - * @param string Text script - */ - private function _parse_text($script) - { - $prefix = ''; - $options = array(); - - while ($script) { - $script = trim($script); - $rule = array(); - - // Comments - while (!empty($script) && $script[0] == '#') { - $endl = strpos($script, "\n"); - $line = $endl ? substr($script, 0, $endl) : $script; - - // Roundcube format - if (preg_match('/^# rule:\[(.*)\]/', $line, $matches)) { - $rulename = $matches[1]; - } - // KEP:14 variables - else if (preg_match('/^# (EDITOR|EDITOR_VERSION) (.+)$/', $line, $matches)) { - $this->set_var($matches[1], $matches[2]); - } - // Horde-Ingo format - else if (!empty($options['format']) && $options['format'] == 'INGO' - && preg_match('/^# (.*)/', $line, $matches) - ) { - $rulename = $matches[1]; - } - else if (empty($options['prefix'])) { - $prefix .= $line . "\n"; - } - - $script = ltrim(substr($script, strlen($line) + 1)); - } - - // handle script header - if (empty($options['prefix'])) { - $options['prefix'] = true; - if ($prefix && strpos($prefix, 'horde.org/ingo')) { - $options['format'] = 'INGO'; - } - } - - // Control structures/blocks - if (preg_match('/^(if|else|elsif)/i', $script)) { - $rule = $this->_tokenize_rule($script); - if (strlen($rulename) && !empty($rule)) { - $rule['name'] = $rulename; - } - } - // Simple commands - else { - $rule = $this->_parse_actions($script, ';'); - if (!empty($rule[0]) && is_array($rule)) { - // set "global" variables - if ($rule[0]['type'] == 'set') { - unset($rule[0]['type']); - $this->vars[] = $rule[0]; - unset($rule); - } - else { - $rule = array('actions' => $rule); - } - } - } - - $rulename = ''; - - if (!empty($rule)) { - $this->content[] = $rule; - } - } - - if (!empty($prefix)) { - $this->prefix = trim($prefix); - } - } - - /** - * Convert text script fragment to rule object - * - * @param string Text rule - * - * @return array Rule data - */ - private function _tokenize_rule(&$content) - { - $cond = strtolower(self::tokenize($content, 1)); - - if ($cond != 'if' && $cond != 'elsif' && $cond != 'else') { - return null; - } - - $disabled = false; - $join = false; - $join_not = false; - - // disabled rule (false + comment): if false # ..... - if (preg_match('/^\s*false\s+#/i', $content)) { - $content = preg_replace('/^\s*false\s+#\s*/i', '', $content); - $disabled = true; - } - - while (strlen($content)) { - $tokens = self::tokenize($content, true); - $separator = array_pop($tokens); - - if (!empty($tokens)) { - $token = array_shift($tokens); - } - else { - $token = $separator; - } - - $token = strtolower($token); - - if ($token == 'not') { - $not = true; - $token = strtolower(array_shift($tokens)); - } - else { - $not = false; - } - - // we support "not allof" as a negation of allof sub-tests - if ($join_not) { - $not = !$not; - } - - switch ($token) { - case 'allof': - $join = true; - $join_not = $not; - break; - - case 'anyof': - break; - - case 'size': - $test = array('test' => 'size', 'not' => $not); - - $test['arg'] = array_pop($tokens); - - for ($i=0, $len=count($tokens); $i<$len; $i++) { - if (!is_array($tokens[$i]) - && preg_match('/^:(under|over)$/i', $tokens[$i]) - ) { - $test['type'] = strtolower(substr($tokens[$i], 1)); - } - } - - $tests[] = $test; - break; - - case 'header': - case 'address': - case 'envelope': - $test = array('test' => $token, 'not' => $not); - - $test['arg2'] = array_pop($tokens); - $test['arg1'] = array_pop($tokens); - - $test += $this->test_tokens($tokens); - - if ($token != 'header' && !empty($tokens)) { - for ($i=0, $len=count($tokens); $i<$len; $i++) { - if (!is_array($tokens[$i]) && preg_match('/^:(localpart|domain|all|user|detail)$/i', $tokens[$i])) { - $test['part'] = strtolower(substr($tokens[$i], 1)); - } - } - } - - $tests[] = $test; - break; - - case 'body': - $test = array('test' => 'body', 'not' => $not); - - $test['arg'] = array_pop($tokens); - - $test += $this->test_tokens($tokens); - - for ($i=0, $len=count($tokens); $i<$len; $i++) { - if (!is_array($tokens[$i]) && preg_match('/^:(raw|content|text)$/i', $tokens[$i])) { - $test['part'] = strtolower(substr($tokens[$i], 1)); - - if ($test['part'] == 'content') { - $test['content'] = $tokens[++$i]; - } - } - } - - $tests[] = $test; - break; - - case 'date': - case 'currentdate': - $test = array('test' => $token, 'not' => $not); - - $test['arg'] = array_pop($tokens); - $test['part'] = array_pop($tokens); - - if ($token == 'date') { - $test['header'] = array_pop($tokens); - } - - $test += $this->test_tokens($tokens); - - for ($i=0, $len=count($tokens); $i<$len; $i++) { - if (!is_array($tokens[$i]) && preg_match('/^:zone$/i', $tokens[$i])) { - $test['zone'] = $tokens[++$i]; - } - else if (!is_array($tokens[$i]) && preg_match('/^:originalzone$/i', $tokens[$i])) { - $test['originalzone'] = true; - } - } - - $tests[] = $test; - break; - - case 'exists': - $tests[] = array('test' => 'exists', 'not' => $not, - 'arg' => array_pop($tokens)); - break; - - case 'true': - $tests[] = array('test' => 'true', 'not' => $not); - break; - - case 'false': - $tests[] = array('test' => 'true', 'not' => !$not); - break; - } - - // goto actions... - if ($separator == '{') { - break; - } - } - - // ...and actions block - $actions = $this->_parse_actions($content); - - if ($tests && $actions) { - $result = array( - 'type' => $cond, - 'tests' => $tests, - 'actions' => $actions, - 'join' => $join, - 'disabled' => $disabled, - ); - } - - return $result; - } - - /** - * Parse body of actions section - * - * @param string $content Text body - * @param string $end End of text separator - * - * @return array Array of parsed action type/target pairs - */ - private function _parse_actions(&$content, $end = '}') - { - $result = null; - - while (strlen($content)) { - $tokens = self::tokenize($content, true); - $separator = array_pop($tokens); - $token = !empty($tokens) ? array_shift($tokens) : $separator; - - switch ($token) { - case 'discard': - case 'keep': - case 'stop': - $result[] = array('type' => $token); - break; - - case 'fileinto': - case 'redirect': - $action = array('type' => $token, 'target' => array_pop($tokens)); - $args = array('copy'); - $action += $this->action_arguments($tokens, $args); - - $result[] = $action; - break; - - case 'vacation': - $action = array('type' => 'vacation', 'reason' => array_pop($tokens)); - $args = array('mime'); - $vargs = array('seconds', 'days', 'addresses', 'subject', 'handle', 'from'); - $action += $this->action_arguments($tokens, $args, $vargs); - - $result[] = $action; - break; - - case 'reject': - case 'ereject': - case 'setflag': - case 'addflag': - case 'removeflag': - $result[] = array('type' => $token, 'target' => array_pop($tokens)); - break; - - case 'include': - $action = array('type' => 'include', 'target' => array_pop($tokens)); - $args = array('once', 'optional', 'global', 'personal'); - $action += $this->action_arguments($tokens, $args); - - $result[] = $action; - break; - - case 'set': - $action = array('type' => 'set', 'value' => array_pop($tokens), 'name' => array_pop($tokens)); - $args = array('lower', 'upper', 'lowerfirst', 'upperfirst', 'quotewildcard', 'length'); - $action += $this->action_arguments($tokens, $args); - - $result[] = $action; - break; - - case 'require': - // skip, will be build according to used commands - // $result[] = array('type' => 'require', 'target' => array_pop($tokens)); - break; - - case 'notify': - $action = array('type' => 'notify'); - $priorities = array('high' => 1, 'normal' => 2, 'low' => 3); - $vargs = array('from', 'id', 'importance', 'options', 'message', 'method'); - $args = array_keys($priorities); - $action += $this->action_arguments($tokens, $args, $vargs); - - // Here we'll convert draft-martin-sieve-notify-01 into RFC 5435 - if (!isset($action['importance'])) { - foreach ($priorities as $key => $val) { - if (isset($action[$key])) { - $action['importance'] = $val; - unset($action[$key]); - } - } - } - - $action['options'] = (array) $action['options']; - - // Old-draft way: :method "mailto" :options "email@address" - if (!empty($action['method']) && !empty($action['options'])) { - $action['method'] .= ':' . array_shift($action['options']); - } - // unnamed parameter is a :method in enotify extension - else if (!isset($action['method'])) { - $action['method'] = array_pop($tokens); - } - - $result[] = $action; - break; - } - - if ($separator == $end) - break; - } - - return $result; - } - - /** - * Add comparator to the test - */ - private function add_comparator($test, &$out, &$exts) - { - if (empty($test['comparator'])) { - return; - } - - if ($test['comparator'] == 'i;ascii-numeric') { - array_push($exts, 'relational'); - array_push($exts, 'comparator-i;ascii-numeric'); - } - else if (!in_array($test['comparator'], array('i;octet', 'i;ascii-casemap'))) { - array_push($exts, 'comparator-' . $test['comparator']); - } - - // skip default comparator - if ($test['comparator'] != 'i;ascii-casemap') { - $out .= ' :comparator ' . self::escape_string($test['comparator']); - } - } - - /** - * Add index argument to the test - */ - private function add_index($test, &$out, &$exts) - { - if (!empty($test['index'])) { - array_push($exts, 'index'); - $out .= ' :index ' . intval($test['index']) . ($test['last'] ? ' :last' : ''); - } - } - - /** - * Add operators to the test - */ - private function add_operator($test, &$out, &$exts) - { - if (empty($test['type'])) { - return; - } - - // relational operator - if (preg_match('/^(value|count)-([gteqnl]{2})/', $test['type'], $m)) { - array_push($exts, 'relational'); - - $out .= ' :' . $m[1] . ' "' . $m[2] . '"'; - } - else { - if ($test['type'] == 'regex') { - array_push($exts, 'regex'); - } - - $out .= ' :' . $test['type']; - } - - $this->add_comparator($test, $out, $exts); - } - - /** - * Extract test tokens - */ - private function test_tokens(&$tokens) - { - $test = array(); - $result = array(); - - for ($i=0, $len=count($tokens); $i<$len; $i++) { - if (!is_array($tokens[$i]) && preg_match('/^:comparator$/i', $tokens[$i])) { - $test['comparator'] = $tokens[++$i]; - } - else if (!is_array($tokens[$i]) && preg_match('/^:(count|value)$/i', $tokens[$i])) { - $test['type'] = strtolower(substr($tokens[$i], 1)) . '-' . $tokens[++$i]; - } - else if (!is_array($tokens[$i]) && preg_match('/^:(is|contains|matches|regex)$/i', $tokens[$i])) { - $test['type'] = strtolower(substr($tokens[$i], 1)); - } - else if (!is_array($tokens[$i]) && preg_match('/^:index$/i', $tokens[$i])) { - $test['index'] = intval($tokens[++$i]); - if ($tokens[$i+1] && preg_match('/^:last$/i', $tokens[$i+1])) { - $test['last'] = true; - $i++; - } - } - else { - $result[] = $tokens[$i]; - } - } - - $tokens = $result; - - return $test; - } - - /** - * Extract action arguments - */ - private function action_arguments(&$tokens, $bool_args, $val_args = array()) - { - $action = array(); - $result = array(); - - for ($i=0, $len=count($tokens); $i<$len; $i++) { - $tok = $tokens[$i]; - if (!is_array($tok) && $tok[0] == ':') { - $tok = strtolower(substr($tok, 1)); - if (in_array($tok, $bool_args)) { - $action[$tok] = true; - } - else if (in_array($tok, $val_args)) { - $action[$tok] = $tokens[++$i]; - } - else { - $result[] = $tok; - } - } - else { - $result[] = $tok; - } - } - - $tokens = $result; - - return $action; - } - - /** - * Escape special chars into quoted string value or multi-line string - * or list of strings - * - * @param string $str Text or array (list) of strings - * - * @return string Result text - */ - static function escape_string($str) - { - if (is_array($str) && count($str) > 1) { - foreach($str as $idx => $val) - $str[$idx] = self::escape_string($val); - - return '[' . implode(',', $str) . ']'; - } - else if (is_array($str)) { - $str = array_pop($str); - } - - // multi-line string - if (preg_match('/[\r\n\0]/', $str) || strlen($str) > 1024) { - return sprintf("text:\n%s\n.\n", self::escape_multiline_string($str)); - } - // quoted-string - else { - return '"' . addcslashes($str, '\\"') . '"'; - } - } - - /** - * Escape special chars in multi-line string value - * - * @param string $str Text - * - * @return string Text - */ - static function escape_multiline_string($str) - { - $str = preg_split('/(\r?\n)/', $str, -1, PREG_SPLIT_DELIM_CAPTURE); - - foreach ($str as $idx => $line) { - // dot-stuffing - if (isset($line[0]) && $line[0] == '.') { - $str[$idx] = '.' . $line; - } - } - - return implode($str); - } - - /** - * Splits script into string tokens - * - * @param string &$str The script - * @param mixed $num Number of tokens to return, 0 for all - * or True for all tokens until separator is found. - * Separator will be returned as last token. - * - * @return mixed Tokens array or string if $num=1 - */ - static function tokenize(&$str, $num=0) - { - $result = array(); - - // remove spaces from the beginning of the string - while (($str = ltrim($str)) !== '' - && (!$num || $num === true || count($result) < $num) - ) { - switch ($str[0]) { - - // Quoted string - case '"': - $len = strlen($str); - - for ($pos=1; $pos<$len; $pos++) { - if ($str[$pos] == '"') { - break; - } - if ($str[$pos] == "\\") { - if ($str[$pos + 1] == '"' || $str[$pos + 1] == "\\") { - $pos++; - } - } - } - if ($str[$pos] != '"') { - // error - } - // we need to strip slashes for a quoted string - $result[] = stripslashes(substr($str, 1, $pos - 1)); - $str = substr($str, $pos + 1); - break; - - // Parenthesized list - case '[': - $str = substr($str, 1); - $result[] = self::tokenize($str, 0); - break; - case ']': - $str = substr($str, 1); - return $result; - break; - - // list/test separator - case ',': - // command separator - case ';': - // block/tests-list - case '(': - case ')': - case '{': - case '}': - $sep = $str[0]; - $str = substr($str, 1); - if ($num === true) { - $result[] = $sep; - break 2; - } - break; - - // bracket-comment - case '/': - if ($str[1] == '*') { - if ($end_pos = strpos($str, '*/')) { - $str = substr($str, $end_pos + 2); - } - else { - // error - $str = ''; - } - } - break; - - // hash-comment - case '#': - if ($lf_pos = strpos($str, "\n")) { - $str = substr($str, $lf_pos); - break; - } - else { - $str = ''; - } - - // String atom - default: - // empty or one character - if ($str === '' || $str === null) { - break 2; - } - if (strlen($str) < 2) { - $result[] = $str; - $str = ''; - break; - } - - // tag/identifier/number - if (preg_match('/^([a-z0-9:_]+)/i', $str, $m)) { - $str = substr($str, strlen($m[1])); - - if ($m[1] != 'text:') { - $result[] = $m[1]; - } - // multiline string - else { - // possible hash-comment after "text:" - if (preg_match('/^( |\t)*(#[^\n]+)?\n/', $str, $m)) { - $str = substr($str, strlen($m[0])); - } - // get text until alone dot in a line - if (preg_match('/^(.*)\r?\n\.\r?\n/sU', $str, $m)) { - $text = $m[1]; - // remove dot-stuffing - $text = str_replace("\n..", "\n.", $text); - $str = substr($str, strlen($m[0])); - } - else { - $text = ''; - } - - $result[] = $text; - } - } - // fallback, skip one character as infinite loop prevention - else { - $str = substr($str, 1); - } - - break; - } - } - - return $num === 1 ? (isset($result[0]) ? $result[0] : null) : $result; - } - -} -- cgit v1.2.3