subversion/libsvn_delta/text_delta.c

118 svn_txdelta__make_window(const svn_txdelta__ops_baton_t *build_baton,
129   window->num_ops = build_baton->num_ops;
130   window->src_ops = build_baton->src_ops;
131   window->ops = build_baton->ops;
136   new_data->data = build_baton->new_data->data;
137   new_data->len = build_baton->new_data->len;
152   svn_txdelta__ops_baton_t build_baton = { 0 };
156   build_baton.new_data = svn_stringbuf_create_empty(pool);
159     svn_txdelta__insert_op(&build_baton, svn_txdelta_new, 0, target_len, data,
162     svn_txdelta__xdelta(&build_baton, data, source_len, target_len, pool);
165   window = svn_txdelta__make_window(&build_baton, pool);
179   svn_txdelta__ops_baton_t build_baton = { 0 };
181   const apr_size_t ops_size = (window->num_ops * sizeof(*build_baton.ops));
183   build_baton.num_ops = window->num_ops;
184   build_baton.src_ops = window->src_ops;
185   build_baton.ops_size = window->num_ops;
186   build_baton.ops = apr_pmemdup(pool, window->ops, ops_size);
187   build_baton.new_data =
190   new_window = svn_txdelta__make_window(&build_baton, pool);
213 svn_txdelta__insert_op(svn_txdelta__ops_baton_t *build_baton,
225   if (build_baton->num_ops > 0)
227       op = &build_baton->ops[build_baton->num_ops - 1];
234             svn_stringbuf_appendbytes(build_baton->new_data,
241   if (build_baton->num_ops == build_baton->ops_size)
243       svn_txdelta_op_t *const old_ops = build_baton->ops;
244       int const new_ops_size = (build_baton->ops_size == 0
245                                 ? 16 : 2 * build_baton->ops_size);
246       build_baton->ops =
247         apr_palloc(pool, new_ops_size * sizeof(*build_baton->ops));
251         memcpy(build_baton->ops, old_ops,
252                build_baton->ops_size * sizeof(*build_baton->ops));
253       build_baton->ops_size = new_ops_size;
259   op = &build_baton->ops[build_baton->num_ops];
263       ++build_baton->src_ops;
272       op->offset = build_baton->new_data->len;
274       svn_stringbuf_appendbytes(build_baton->new_data, new_data, length);
280   ++build_baton->num_ops;
284 svn_txdelta__remove_copy(svn_txdelta__ops_baton_t *build_baton,
291   while (build_baton->num_ops > 0)
293       op = &build_baton->ops[build_baton->num_ops-1];
306                build_baton->new_data->len -= max_len - len;
316         build_baton->new_data->len -= op->length;
319       --build_baton->num_ops;