source: trunk/lib/SVN.cc @ 305

Last change on this file since 305 was 305, checked in by Jari Häkkinen, 14 years ago

Fixed typo.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 10.3 KB
Line 
1// $Id: SVN.cc 305 2007-05-11 23:34:56Z jari $
2
3/*
4  Copyright (C) 2006 Jari Häkkinen
5  Copyright (C) 2007 Peter Johansson
6
7  This file is part of svndigest, http://lev.thep.lu.se/trac/svndigest
8
9  svndigest is free software; you can redistribute it and/or modify it
10  under the terms of the GNU General Public License as published by
11  the Free Software Foundation; either version 2 of the License, or
12  (at your option) any later version.
13
14  svndigest is distributed in the hope that it will be useful, but
15  WITHOUT ANY WARRANTY; without even the implied warranty of
16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  General Public License for more details.
18
19  You should have received a copy of the GNU General Public License
20  along with this program; if not, write to the Free Software
21  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
22  02111-1307, USA.
23*/
24
25#include "SVN.h"
26
27#include <map>
28#include <string>
29#include <vector>
30
31#include <iostream>
32
33#include <apr_allocator.h>
34#include <apr_hash.h>
35#include <subversion-1/svn_client.h>
36#include <subversion-1/svn_cmdline.h>
37#include <subversion-1/svn_path.h>
38#include <subversion-1/svn_pools.h>
39#include <subversion-1/svn_wc.h>
40#include <subversion-1/svn_subst.h>
41
42namespace theplu {
43namespace svndigest {
44
45
46  SVN* SVN::instance_=NULL;
47
48
49  SVN::SVN(void)
50    : adm_access_(NULL), allocator_(NULL), context_(NULL), pool_(NULL)
51  {
52    svn_error_t* err=NULL;
53
54    // initialize something (APR subsystem and more). The APR
55    // subsystem is automatically destroyed at program exit. In case
56    // of several calls to svn_cmdline_init (ie. several exceptions
57    // thrown and caught with subsequent reinitializatios is safe
58    // memorywise but what about APR internal counters?)
59    if (svn_cmdline_init("svndigest",stderr) != EXIT_SUCCESS)
60      throw SVNException("SVN(void): svn_cmdline_init failed");
61
62    /// create top-level pool
63    if (apr_allocator_create(&allocator_))
64      throw SVNException("SVN(void): apr_allocator_create failed");
65    apr_allocator_max_free_set(allocator_,SVN_ALLOCATOR_RECOMMENDED_MAX_FREE);
66    pool_ = svn_pool_create_ex(NULL, allocator_);
67    apr_allocator_owner_set(allocator_, pool_);
68
69    // initialize the repository access library
70    if ((err=svn_ra_initialize(pool_)))
71      cleanup_failed_init(err, "SVN(void): svn_ra_initialize failed");
72
73    // Check that users .subversion exist. Should this really be done?
74    // If this check is to be done, we might be forced to support a
75    // command line option to change the location of the .subversion
76    // stuff (compare with the svn binary).
77    if ((err=svn_config_ensure(NULL, pool_)))
78      cleanup_failed_init(err, "SVN(void): svn_config_ensure failed");
79
80    // create a client context object
81    if ((err=svn_client_create_context(&context_, pool_)))
82      cleanup_failed_init(err, "SVN(void): svn_client_create_context failed");
83
84    if ((err=svn_config_get_config(&(context_->config), NULL, pool_)))
85      cleanup_failed_init(err, "SVN(void): svn_config_get_config failed");
86
87    // set up authentication stuff
88    if ((err=svn_cmdline_setup_auth_baton(&(context_->auth_baton), false, NULL,
89                                          NULL, NULL, false,
90                        static_cast<svn_config_t*>(apr_hash_get(context_->config,
91                                                    SVN_CONFIG_CATEGORY_CONFIG,
92                                                    APR_HASH_KEY_STRING)),
93                                          context_->cancel_func,
94                                          context_->cancel_baton, pool_)))
95      cleanup_failed_init(err, "SVN(void): svn_cmdline_setup_auth_baton failed");
96  }
97
98
99  SVN::~SVN(void)
100  {
101    if (adm_access_)
102      svn_error_clear(svn_wc_adm_close(adm_access_));
103    svn_pool_destroy(pool_);
104    apr_allocator_destroy(allocator_);
105    // other apr resources acquired in svn_cmdline_init are destroyed
106    // at program exit, ok since SVN is a singleton
107  }
108
109
110  svn_error_t* SVN::client_blame(const std::string& path,
111                                 svn_client_blame_receiver_t receiver,
112                                 void *baton)
113  {
114    // Setup to use all revisions
115    svn_opt_revision_t peg, start, head;
116    peg.kind=svn_opt_revision_unspecified;
117    start.kind=svn_opt_revision_number;
118    start.value.number=0;
119    head.kind=svn_opt_revision_head;
120    apr_pool_t *subpool = svn_pool_create(pool_);
121    svn_error_t* err=svn_client_blame3(path.c_str(), &peg, &start, &head,
122                                       svn_diff_file_options_create(subpool),
123                                       false, receiver, baton, context_,
124                                       subpool);
125    if (err && err->apr_err!=SVN_ERR_CLIENT_IS_BINARY_FILE)
126      // cleanup will throw an exception
127      cleanup(err, subpool, "SVN::client_blame: svn_client_blame3 failed");
128    svn_pool_destroy(subpool);
129    return err;
130  }
131
132
133  void SVN::client_info(const std::string& path, svn_info_receiver_t receiver,
134                        void *baton)
135  {
136    apr_pool_t *subpool = svn_pool_create(pool_);
137    if (svn_error_t *err=svn_client_info(path.c_str(), NULL, NULL, receiver,
138                                         baton, false, context_, subpool))
139      // cleanup will throw an exception
140      cleanup(err, subpool, "repository: svn_client_info failed");
141    svn_pool_destroy(subpool);
142  }
143
144
145  void SVN::client_proplist(const std::string& path,
146                            std::map<std::string, std::string>& property)
147  {
148    svn_opt_revision_t peg, revision;
149    peg.kind=svn_opt_revision_unspecified;
150    revision.kind=svn_opt_revision_head;
151    apr_pool_t *subpool = svn_pool_create(pool_);
152    apr_array_header_t * properties;
153    svn_error_t *err=svn_client_proplist2(&properties, path.c_str(), &peg,
154                                          &revision, false, context_, subpool);
155    if (err)
156      cleanup(err, subpool, "repository: svn_client_proplist2 failed");
157
158    for (int j = 0; j < properties->nelts; ++j) {
159      svn_client_proplist_item_t *item = 
160        ((svn_client_proplist_item_t **)properties->elts)[j];
161      for (apr_hash_index_t *hi = apr_hash_first(subpool, item->prop_hash); hi; 
162           hi = apr_hash_next (hi)) {
163        const void *key;
164        void *val;
165        apr_hash_this (hi, &key, NULL, &val);
166        svn_string_t *value;
167        err=svn_subst_detranslate_string(&value,
168                                         static_cast<const svn_string_t*>(val),
169                                         false, subpool);
170        if (err)
171          cleanup(err, subpool,
172                  path +
173                  " property: svn_subst_detranslate_string failed on key " +
174                  static_cast<const char*>(key));
175        property[static_cast<const char*>(key)]=value->data;
176      }
177    }
178    svn_pool_destroy(subpool);
179  }
180
181
182  void SVN::client_log(std::string path, log_receiver_baton* lb)
183  {
184    // Allocate space in subpool to pool_ for apr_path (here a string).
185    apr_pool_t *subpool = svn_pool_create(pool_);
186    apr_array_header_t* apr_path=apr_array_make(subpool,1,4);
187    // Copy path to apr_path.
188    (*((const char **) apr_array_push(apr_path))) =
189      apr_pstrdup(subpool, svn_path_internal_style(path.c_str(),subpool));
190
191    // Setup to retrieve all commit logs.
192    svn_opt_revision_t peg, start, head;
193    peg.kind=svn_opt_revision_unspecified;
194    start.kind=svn_opt_revision_number;
195    start.value.number=0;
196    head.kind=svn_opt_revision_head;
197    svn_error_t* err=NULL;
198    // Retrieving the last revision is only needed for the reserve
199    // call below, not needed for the functionality here.
200    if ((err=svn_ra_get_latest_revnum(ra_session_, &(head.value.number),
201                                      subpool)))
202      cleanup(err, subpool, "commit_dates: svn_ra_get_latest_revnum failed");
203    // Acctually we do not know the size of vector (and reserve most
204    // likely over-use memory), perhaps we should use lists instead,
205    // or do we need the random access?
206    lb->commit_dates.reserve(head.value.number+1); // revision 0 is also stored.
207    lb->authors.reserve(head.value.number+1); // revision 0 is also stored.
208    lb->rev.reserve(head.value.number+1); // revision 0 is also stored.
209    if ((err=svn_client_log3(apr_path, &peg, &start, &head, 0, false, false,
210                             log_message_receiver, static_cast<void*>(lb),
211                             context_, subpool)))
212      // cleanupp will throw an exception
213      cleanup(err, subpool, "commit_dates: svn_client_log3 failed");
214    svn_pool_destroy(subpool);
215  }
216
217
218  void SVN::cleanup(svn_error_t *err,apr_pool_t *pool,
219                    const std::string& message)
220  {
221    svn_handle_error2(err,stderr,false,"svndigest: ");
222    svn_error_clear(err);
223    if (pool)
224      svn_pool_destroy(pool);
225    if (message.length()>0)
226      throw SVNException(message);
227  }
228
229
230  void SVN::cleanup_failed_init(svn_error_t *err, const std::string& message)
231  {
232    cleanup(err,pool_);
233    apr_allocator_destroy(allocator_);
234    throw SVNException(message);
235  }
236
237
238  svn_error_t *
239  SVN::log_message_receiver(void *baton, apr_hash_t *changed_paths,
240                            svn_revnum_t rev, const char *author,
241                            const char *date, const char *msg, apr_pool_t *pool)
242  {
243    struct log_receiver_baton *lb=static_cast<struct log_receiver_baton*>(baton);
244    if (date && date[0])
245      lb->commit_dates.push_back(date);
246    else
247      throw SVNException("No date defined for revision: " + rev); 
248    if (author && author[0])
249      lb->authors.push_back(author);
250    else
251      lb->authors.push_back("");
252    lb->rev.push_back(rev);
253    if (msg)
254      lb->msg.push_back(std::string(msg));
255    else
256      lb->msg.push_back(std::string(""));
257    return SVN_NO_ERROR;
258  }
259
260
261  void SVN::setup_ra_session(const std::string& path) {
262    // get a session to the repository
263    if (svn_error_t *err=svn_client_open_ra_session(&ra_session_, path.c_str(),
264                                                    context_,pool_))
265      cleanup(err, NULL, "setup_ra_session: svn_client_open_ra_session failed");
266  }
267
268
269  void SVN::setup_wc_adm_access(const std::string& path)
270  {
271    // Set up svn administration area access. The whole structure is
272    // setup, maybe this is unnecessary?
273    const char* canonical_path=svn_path_internal_style(path.c_str(), pool_);
274    if (svn_error_t *err=svn_wc_adm_open3(&adm_access_, NULL, canonical_path,
275                                          false, -1, context_->cancel_func,
276                                          context_->cancel_baton, pool_))
277      cleanup(err, NULL, "setup_wc_adm_access: svn_wc_adm_open3 failed");
278  }
279
280
281  SVN::vc_status SVN::version_controlled(const std::string& path)
282  {
283    svn_wc_status2_t* status=NULL;
284    apr_pool_t *subpool = svn_pool_create(pool_);
285    if (svn_error_t *err=
286        svn_wc_status2(&status,svn_path_internal_style(path.c_str(), subpool),
287                       adm_access_, subpool))
288      // cleanup will throw an exception
289      cleanup(err, subpool,"version_controlled(): svn_config_get_config failed");
290    svn_pool_destroy(subpool);
291
292    if ((status->text_status==svn_wc_status_none) ||
293        (status->text_status==svn_wc_status_unversioned))
294      return unversioned;
295    else if (status->text_status==svn_wc_status_normal)
296      return uptodate;
297
298    return unresolved;
299  }
300
301
302}} // end of namespace svndigest and namespace theplu
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