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src.bluestatic.org Git - viewsvn.git/blob - includes/cachev.php
2 /*=====================================================================*\
3 || ###################################################################
4 || # ViewSVN [#]version[#]
5 || # Copyright ©2002-[#]year[#] Iris Studios, Inc.
7 || # This program is free software; you can redistribute it and/or modify
8 || # it under the terms of the GNU General Public License as published by
9 || # the Free Software Foundation; version [#]gpl[#] of the License.
11 || # This program is distributed in the hope that it will be useful, but
12 || # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 || # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 || # You should have received a copy of the GNU General Public License along
17 || # with this program; if not, write to the Free Software Foundation, Inc.,
18 || # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
19 || ###################################################################
20 \*=====================================================================*/
23 * File container for cacheV class
31 * This class is responsible for interacting with a given cacheV table.
32 * It controls rebuilding from scratch, updates, and querying the cache.
34 * @author Iris Studios, Inc.
35 * @copyright Copyright ©2002 - [#]year[#], Iris Studios, Inc.
55 * Record count - the number of records in cacheV
61 * Memcache for all fetched revisions so we don't have to query-dupe
64 var $memcache = array('revs' => array(), 'nodes' => array());
66 // ###################################################################
68 * Constructor: initialies the registry
73 $this->registry
=& $viewsvn;
76 // ###################################################################
78 * Sets the hash so we know what table we're dealing with
84 $this->hash
= md5($this->registry
->repos
->fetch_path($this->registry
->paths
->repos
));
87 // ###################################################################
89 * Returns a node string that has the beginning and ending slashes
90 * removed to allow it to match to the _nodes cacheV table
94 * @param string Original string
96 * @return string Matchable string
98 function fetch_node_string($node)
100 return preg_replace('#(^/|/$)#', '', $node);
103 // ###################################################################
105 * Returns a specific log entry
109 * @param integer Revision number
111 * @return array Complete revision/commit entry
113 function fetch_revision($revision)
115 $revision = $this->registry
->clean($revision, TYPE_UINT
);
117 if (!isset($this->memcache
['revs']["$revision"]))
119 $this->memcache['revs']["$revision"] = $this->registry
->db
->query_first("SELECT * FROM {$this->hash}_revs " . ($revision == 0 ? " ORDER BY revision DESC LIMIT 1" : "WHERE revision = $revision"));
120 $this->memcache['revs']["$revision"]['files'] = unserialize($this->memcache
['revs']["$revision"]['files']);
123 return $this->memcache['revs']["$revision"];
126 // ###################################################################
128 * Returns the revision entry before the specified one
132 * @param string Node path
133 * @param integer Revision number
135 * @return array Complete revision/commit entry
137 function fetch_prev_revision($node, $revision)
139 $data = $this->fetch_node($node);
140 $data = $data['history'];
142 if (count($data['history']) < 1)
144 return $this->fetch_revision(0);
147 unset($data[ max(array_keys($data)) ]);
149 return $this->fetch_revision(max(array_keys($data)));
152 // ###################################################################
154 * Fetches the latest revision for a given path
158 * @param string Node path
160 * @return integer Latest revision; FALSE if none (not in HEAD)
162 function fetch_node($node)
164 $node = $this->fetch_node_string($node);
165 if (!isset($this->memcache
['nodes']["$node"]))
167 $result = $this->registry->db->query_first("SELECT
* FROM {$this
->hash
}_nodes WHERE name
= '" . $this->registry->escape($node) . "'");
168 if ($result == false)
173 $this->memcache['nodes']["$node"] = $result;
174 $this->memcache
['nodes']["$node"]['history'] = unserialize($this->memcache['nodes']["$node"]['history']);
177 return $this->memcache
['nodes']["$node"];
180 // ###################################################################
182 * Checks to see if a given node is a directory. Returns TRUE if so.
186 * @param string Node path
188 * @return bool TRUE if directory, FALSE if not
190 function isdir($node)
192 $node = $this->fetch_node($node);
193 if ($node['node'] == 'dir')
201 // ###################################################################
203 * Checks to see if it's necessary to rebuild the cacheV table for the
204 * current repository. This is done by making sure $count > 0. If not,
205 * then rebuild() is run. This also checks against the cacheV table
206 * to make sure that it's up-to-date against the root repository.
210 function exec_build()
212 $result = $this->registry->db->query_first("SELECT
MAX(revision
) AS max FROM {$this
->hash
}_revs
");
213 $this->count = $result['max'];
215 // time to go from the start
216 if ($this->count == 0)
222 // send an Xquery to SVN to see if we need to update
223 $query = $this->registry->svn->svn('info --xml ' . $this->registry->repos->fetch_path($this->registry->paths->repos));
224 $query = implode("\n
", $query);
226 $tree = $this->registry->xml->parse($query);
228 if ($tree['info']['entry']['revision'] != $this->count)
230 $this->build($this->count);
235 // ###################################################################
237 * Builds the cacheV table. This can be used to build only part of the
238 * cache or the entire thing, if the revision is set to NULL.
242 * @param integer Lower (current) revision
244 function build($revision)
246 $start = microtime();
249 $output = $this->registry->svn->svn('log --xml -v ' . ($revision !== null ? '-r' . $revision . ':HEAD ' : '') . $this->registry->repos->fetch_path($this->registry->paths->repos));
250 $output = implode("\n
", $output);
251 $tree = $this->registry->xml->parse($output);
254 $output = $this->registry->svn->svn('info --xml -R ' . ($revision !== null ? '-r' . $revision . ':HEAD ' : '') . $this->registry->repos->fetch_path($this->registry->paths->repos));
255 $output = implode("\n
", $output);
256 $infolist = $this->registry->xml->parse($output);
258 // other part of _nodes: properties
259 $output = $this->registry->svn->svn('proplist -v -R ' . ($revision !== null ? ' -r' . $revision . ':HEAD ' : '') . $this->registry->repos->fetch_path($this->registry->paths->repos));
260 foreach ($output AS $line)
262 if (preg_match('#^Properties on \'(.*?)\':$#', $line, $bits))
264 $proplist["$index"]["$curprop"] = trim($proplist["$index"]["$curprop"]);
265 $index = str_replace($this->registry->repos->fetch_path($this->registry->paths->repos), '', $bits[1]);
270 if (preg_match('#^\s+(.*)\s:\s(.*)#', $line, $matches))
272 $curprop = $matches[1];
273 $proplist["$index"]["$curprop"] = $matches[2] . "\n
";
276 else if ($capture == true)
278 $proplist["$index"]["$curprop"] .= $line . "\n
";
283 // construct _revs inserts and the list of add revisions
284 foreach ($tree['log']['logentry'] AS $log)
286 $this->registry->xml->unify_node($log['paths']['path']);
288 $inserts['revs'][] = "($log[revision
], '{$log['author']['value']}', '{$log['date']['value']}', '" . $this->registry->escape($log['msg
']['value
']) . "', '" . $this->registry->escape(serialize($log['paths
']['path
'])) . "')";
290 foreach ($log['paths']['path'] AS $path)
292 if (trim($path['action']) == 'A')
294 $path['value'] = preg_replace('#^/#', '', $path['value']);
295 $addlist["$path[value
]"] = $log['revision'];
300 // construct list of HEAD nodes for _nodes
301 foreach ($infolist['info']['entry'] AS $node)
303 $history = $this->registry->svn->svn('log --xml ' . $node['url']['value']);
304 $history = implode("\n
", $history);
305 $history = $this->registry->xml->parse($history);
309 foreach ($history['log']['logentry'] AS $log)
311 $loglist["$log[revision
]"] = array(
312 'revision' => $log['revision'],
313 'author' => $log['author']['value'],
314 'date' => $log['date']['value'],
315 'message' => $log['msg']['value']
319 $inserts['nodes'][] = "('$node[path]', '" . $node['kind
'] . "', " . $node['commit']['revision'] . ", '" . $this->registry->escape(serialize($loglist)) . "', '" . $this->registry->escape(serialize($proplist["$node[path]"])) . "')";
323 $this->registry->db->query("
324 REPLACE INTO {$this
->hash
}_revs
325 (revision
, author
, dateline
, message
, files
)
327 " . implode(",\n", $inserts['revs'])
331 $this->registry->db->query("
332 REPLACE INTO {$this
->hash
}_nodes
333 (name
, node
, revision
, history
, properties
)
335 " . implode(",\n", $inserts['nodes'])
338 $this->registry->debug("TIME
TO (RE
)BUILD
: " . $this->registry->funct->fetch_microtime_diff($start));
342 /*=====================================================================*\
343 || ###################################################################
346 || ###################################################################
347 \*=====================================================================*/