diff options
Diffstat (limited to 'phpBB/phpbb/search/sphinx/config.php')
| -rw-r--r-- | phpBB/phpbb/search/sphinx/config.php | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/phpBB/phpbb/search/sphinx/config.php b/phpBB/phpbb/search/sphinx/config.php new file mode 100644 index 0000000000..f1864f0c8c --- /dev/null +++ b/phpBB/phpbb/search/sphinx/config.php @@ -0,0 +1,288 @@ +<?php +/** +* +* @package search +* @copyright (c) 2005 phpBB Group +* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2 +* +*/ + +/** +* @ignore +*/ +if (!defined('IN_PHPBB')) +{ + exit; +} + +/** +* phpbb_search_sphinx_config +* An object representing the sphinx configuration +* Can read it from file and write it back out after modification +* @package search +*/ +class phpbb_search_sphinx_config +{ + private $sections = array(); + + /** + * Constructor which optionally loads data from a variable + * + * @param string $config_data Variable containing the sphinx configuration data + * + * @access public + */ + function __construct($config_data) + { + if ($config_data != '') + { + $this->read($config_data); + } + } + + /** + * Get a section object by its name + * + * @param string $name The name of the section that shall be returned + * @return phpbb_search_sphinx_config_section The section object or null if none was found + * + * @access public + */ + function get_section_by_name($name) + { + for ($i = 0, $size = sizeof($this->sections); $i < $size; $i++) + { + // Make sure this is really a section object and not a comment + if (($this->sections[$i] instanceof phpbb_search_sphinx_config_section) && $this->sections[$i]->get_name() == $name) + { + return $this->sections[$i]; + } + } + } + + /** + * Appends a new empty section to the end of the config + * + * @param string $name The name for the new section + * @return phpbb_search_sphinx_config_section The newly created section object + * + * @access public + */ + function add_section($name) + { + $this->sections[] = new phpbb_search_sphinx_config_section($name, ''); + return $this->sections[sizeof($this->sections) - 1]; + } + + /** + * Reads the config file data + * + * @param string $config_data The config file data + * + * @access private + */ + function read($config_data) + { + $this->sections = array(); + + $section = null; + $found_opening_bracket = false; + $in_value = false; + + foreach ($config_data as $i => $line) + { + // If the value of a variable continues to the next line because the line + // break was escaped then we don't trim leading space but treat it as a part of the value + if ($in_value) + { + $line = rtrim($line); + } + else + { + $line = trim($line); + } + + // If we're not inside a section look for one + if (!$section) + { + // Add empty lines and comments as comment objects to the section list + // that way they're not deleted when reassembling the file from the sections + if (!$line || $line[0] == '#') + { + $this->sections[] = new phpbb_search_sphinx_config_comment($config_file[$i]); + continue; + } + else + { + // Otherwise we scan the line reading the section name until we find + // an opening curly bracket or a comment + $section_name = ''; + $section_name_comment = ''; + $found_opening_bracket = false; + for ($j = 0, $length = strlen($line); $j < $length; $j++) + { + if ($line[$j] == '#') + { + $section_name_comment = substr($line, $j); + break; + } + + if ($found_opening_bracket) + { + continue; + } + + if ($line[$j] == '{') + { + $found_opening_bracket = true; + continue; + } + + $section_name .= $line[$j]; + } + + // And then we create the new section object + $section_name = trim($section_name); + $section = new phpbb_search_sphinx_config_section($section_name, $section_name_comment); + } + } + else + { + // If we're looking for variables inside a section + $skip_first = false; + + // If we're not in a value continuing over the line feed + if (!$in_value) + { + // Then add empty lines and comments as comment objects to the variable list + // of this section so they're not deleted on reassembly + if (!$line || $line[0] == '#') + { + $section->add_variable(new phpbb_search_sphinx_config_comment($config_file[$i])); + continue; + } + + // As long as we haven't yet actually found an opening bracket for this section + // we treat everything as comments so it's not deleted either + if (!$found_opening_bracket) + { + if ($line[0] == '{') + { + $skip_first = true; + $line = substr($line, 1); + $found_opening_bracket = true; + } + else + { + $section->add_variable(new phpbb_search_sphinx_config_comment($config_file[$i])); + continue; + } + } + } + + // If we did not find a comment in this line or still add to the previous + // line's value ... + if ($line || $in_value) + { + if (!$in_value) + { + $name = ''; + $value = ''; + $comment = ''; + $found_assignment = false; + } + $in_value = false; + $end_section = false; + + /* ... then we should prase this line char by char: + - first there's the variable name + - then an equal sign + - the variable value + - possibly a backslash before the linefeed in this case we need to continue + parsing the value in the next line + - a # indicating that the rest of the line is a comment + - a closing curly bracket indicating the end of this section*/ + for ($j = 0, $length = strlen($line); $j < $length; $j++) + { + if ($line[$j] == '#') + { + $comment = substr($line, $j); + break; + } + else if ($line[$j] == '}') + { + $comment = substr($line, $j + 1); + $end_section = true; + break; + } + else if (!$found_assignment) + { + if ($line[$j] == '=') + { + $found_assignment = true; + } + else + { + $name .= $line[$j]; + } + } + else + { + if ($line[$j] == '\\' && $j == $length - 1) + { + $value .= "\n"; + $in_value = true; + // Go to the next line and keep processing the value in there + continue 2; + } + $value .= $line[$j]; + } + } + + // If a name and an equal sign were found then we have append a + // new variable object to the section + if ($name && $found_assignment) + { + $section->add_variable(new phpbb_search_sphinx_config_variable(trim($name), trim($value), ($end_section) ? '' : $comment)); + continue; + } + + /* If we found a closing curly bracket this section has been completed + and we can append it to the section list and continue with looking for + the next section */ + if ($end_section) + { + $section->set_end_comment($comment); + $this->sections[] = $section; + $section = null; + continue; + } + } + + // If we did not find anything meaningful up to here, then just treat it + // as a comment + $comment = ($skip_first) ? "\t" . substr(ltrim($config_file[$i]), 1) : $config_file[$i]; + $section->add_variable(new phpbb_search_sphinx_config_comment($comment)); + } + } + + } + + /** + * Returns the config data + * + * @return string $data The config data that is generated + * + * @access public + */ + function get_data() + { + $data = ""; + foreach ($this->sections as $section) + { + $data .= $section->to_string(); + } + + return $data; + } +} |