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 * Handles the various methods that are used to navigate
31 the majority of this stuff should go into the controller.
32 the string creators may need to go into a static class or something. or not. we'll see.
37 * Path managing class that constructs and parses input
38 * and output for paths. This is essentially a controller
39 * of all current information.
53 * The universal path that is currently being browsed
59 * Current repository that we're in
65 * Current internal path inside the repository
71 * The current revision number
77 * The current revision as a string argument
83 * Constructor: determine the type of linking to use
85 * @param integer Path management type
91 if ($type < 1 OR $type > 2)
93 $viewsvn->trigger
->error($viewsvn->lang
->string('Invalid path management type specified in [includes/config.php]'));
96 $this->type
= (int)$type;
98 $this->path
= $this->parse();
99 $this->revnum
= $this->revnum
;
100 $this->revstr
= $this->revstr
;
104 * Parses an incoming path with the various methods
105 * and returns a universal form
109 * @return string Universal path, separated using '/'
115 if (defined('PATH_OVERRIDE') AND PATH_OVERRIDE
== 1)
121 if ($this->type
== 1)
123 $path = $viewsvn->in
['path'];
125 // advanced path system
126 else if ($this->type
== 2)
128 if (@$_SERVER['PATH_INFO'])
130 $path = $viewsvn->sanitize($_SERVER['PATH_INFO']);
134 $viewsvn->trigger
->error($viewsvn->lang
->string('Your server does not support type-2 path management'));
140 $viewsvn->trigger
->error($viewsvn->lang
->string('Invalid path sent'));
143 if (!$viewsvn->repos
->verify($this->repos
= $this->fetch_repos($path), $this->relpath
= $this->fetch_path($path)))
145 $viewsvn->trigger
->error($viewsvn->lang
->string('The path specified could not be verified'));
152 * Returns the name of the repository from a upath
156 * @param string Universal path
158 * @return string Repository name
160 function fetch_repos($path)
162 $temp = preg_split('#/#', $path, -1, PREG_SPLIT_NO_EMPTY
);
167 * Returns the path without the repository from a upath
171 * @param string Universal path
172 * @param bool Preceding slash
174 * @return string Relative path
176 function fetch_path($path, $doslash = false
)
178 $temp = preg_split('#/#', $path, -1, PREG_SPLIT_NO_EMPTY
);
180 return ($doslash ?
'/' : '') . implode('/', $temp);
184 * Fetches any URL parameters a link has
188 * @param string Original URL
190 * @return array Two-element array: base path (no trailing '?'), arguments
192 function fetch_arguments($url)
196 $bits = parse_url($url);
198 if (isset($bits['query']))
200 $return[0] = $bits['path'];
201 $return[1] = $bits['query'];
205 $return[0] = $bits['path'];
213 * Determines if the root path has been reached
217 * @param string Universal path
219 * @return bool Root of path?
221 function is_root_path($path)
223 $path = $this->fetch_path($path);
224 $temp = preg_split('#/#', $path, -1, PREG_SPLIT_NO_EMPTY
);
225 if (count($temp) > 0)
236 * Returns the current sanitized revision
240 * @param bool High-low or not
241 * @param mixed High revision (or regular)
242 * @param mixed Low revision
244 * @return mixed Revision number or HEAD
246 function fetch_rev_num($highlow = false
, $high = null
, $low = null
)
252 if (isset($viewsvn->in
['high']) AND is_null($high))
254 $high = $viewsvn->svn
->rev($viewsvn->in
['high']);
256 else if (is_null($high))
261 if (isset($viewsvn->in
['low']) AND is_null($low))
263 $low = $viewsvn->svn
->rev($viewsvn->in
['low']);
265 else if (is_null($low))
275 if (is_int($high) AND is_int($low) AND $low > $high)
282 return array('high' => $high, 'low' => $low);
286 if (isset($viewsvn->in
['rev']) AND is_null($high))
288 $rev = $viewsvn->svn
->rev($viewsvn->in
['rev']);
290 else if (is_null($high))
304 * Returns a GET string with sanitized revision data
308 * @param bool High-low or not
309 * @param mixed High revision (or regular)
310 * @param mixed Low revision
312 * @return string Revision GET data
314 function fetch_rev_str($highlow = false
, $high = null
, $low = null
)
316 $rev = $this->fetch_rev_num($highlow, $high, $low);
320 return '?low=' . $rev['low'] . '&high=' . $rev['high'];
324 return '?rev=' . $rev;
329 * Sanitizes a path for passing
335 * @return string Cleaned string
337 function sanitize($path)
339 return preg_replace('#[^a-z0-9\./\-_]*#i', '', $path);
343 /*=====================================================================*\
344 || ###################################################################
347 || ###################################################################
348 \*=====================================================================*/