ui-log.c

   1 /* ui-log.c: functions for log output
   2  *
   3  * Copyright (C) 2006 Lars Hjemli
   4  *
   5  * Licensed under GNU General Public License v2
   6  *   (see COPYING for full license text)
   7  */
   8
   9 #include "cgit.h"
  10 #include "html.h"
  11 #include "ui-shared.h"
  12 #include "vector.h"
  13
  14 int files, add_lines, rem_lines;
  15
  16 void count_lines(char *line, int size)
  17 {
  18         if (size <= 0)
  19                 return;
  20
  21         if (line[0] == '+')
  22                 add_lines++;
  23
  24         else if (line[0] == '-')
  25                 rem_lines++;
  26 }
  27
  28 void inspect_files(struct diff_filepair *pair)
  29 {
  30         unsigned long old_size = 0;
  31         unsigned long new_size = 0;
  32         int binary = 0;
  33
  34         files++;
  35         if (ctx.repo->enable_log_linecount)
  36                 cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
  37                                 &new_size, &binary, 0, ctx.qry.ignorews,
  38                                 count_lines);
  39 }
  40
  41 void show_commit_decorations(struct commit *commit)
  42 {
  43         struct name_decoration *deco;
  44         static char buf[1024];
  45
  46         buf[sizeof(buf) - 1] = 0;
  47         deco = lookup_decoration(&name_decoration, &commit->object);
  48         while (deco) {
  49                 if (!prefixcmp(deco->name, "refs/heads/")) {
  50                         strncpy(buf, deco->name + 11, sizeof(buf) - 1);
  51                         cgit_log_link(buf, NULL, "branch-deco", buf, NULL,
  52                                       ctx.qry.vpath, 0, NULL, NULL,
  53                                       ctx.qry.showmsg);
  54                 }
  55                 else if (!prefixcmp(deco->name, "tag: refs/tags/")) {
  56                         strncpy(buf, deco->name + 15, sizeof(buf) - 1);
  57                         cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
  58                 }
  59                 else if (!prefixcmp(deco->name, "refs/tags/")) {
  60                         strncpy(buf, deco->name + 10, sizeof(buf) - 1);
  61                         cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
  62                 }
  63                 else if (!prefixcmp(deco->name, "refs/remotes/")) {
  64                         strncpy(buf, deco->name + 13, sizeof(buf) - 1);
  65                         cgit_log_link(buf, NULL, "remote-deco", NULL,
  66                                       sha1_to_hex(commit->object.sha1),
  67                                       ctx.qry.vpath, 0, NULL, NULL,
  68                                       ctx.qry.showmsg);
  69                 }
  70                 else {
  71                         strncpy(buf, deco->name, sizeof(buf) - 1);
  72                         cgit_commit_link(buf, NULL, "deco", ctx.qry.head,
  73                                          sha1_to_hex(commit->object.sha1),
  74                                          ctx.qry.vpath, 0);
  75                 }
  76                 deco = deco->next;
  77         }
  78 }
  79
  80 void print_commit(struct commit *commit, struct rev_info *revs)
  81 {
  82         struct commitinfo *info;
  83         char *tmp;
  84         int cols = 2;
  85         struct strbuf graphbuf = STRBUF_INIT;
  86
  87         if (ctx.repo->enable_log_filecount) {
  88                 cols++;
  89                 if (ctx.repo->enable_log_linecount)
  90                         cols++;
  91         }
  92
  93         if (revs->graph) {
  94                 /* Advance graph until current commit */
  95                 while (!graph_next_line(revs->graph, &graphbuf)) {
  96                         /* Print graph segment in otherwise empty table row */
  97                         html("<tr class='nohover'><td/><td class='commitgraph'>");
  98                         html(graphbuf.buf);
  99                         htmlf("</td><td colspan='%d' /></tr>\n", cols);
 100                         strbuf_setlen(&graphbuf, 0);
 101                 }
 102                 /* Current commit's graph segment is now ready in graphbuf */
 103         }
 104
 105         info = cgit_parse_commit(commit);
 106         htmlf("<tr%s><td>",
 107                 ctx.qry.showmsg ? " class='logheader'" : "");
 108         tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1));
 109         tmp = cgit_fileurl(ctx.repo->url, "commit", ctx.qry.vpath, tmp);
 110         html_link_open(tmp, NULL, NULL);
 111         cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
 112         html_link_close();
 113         html("</td>");
 114
 115         if (revs->graph) {
 116                 /* Print graph segment for current commit */
 117                 html("<td class='commitgraph'>");
 118                 html(graphbuf.buf);
 119                 html("</td>");
 120                 strbuf_setlen(&graphbuf, 0);
 121         }
 122
 123         htmlf("<td%s>", ctx.qry.showmsg ? " class='logsubject'" : "");
 124         cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
 125                          sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0);
 126         show_commit_decorations(commit);
 127         html("</td><td>");
 128         html_txt(info->author);
 129         if (ctx.repo->enable_log_filecount) {
 130                 files = 0;
 131                 add_lines = 0;
 132                 rem_lines = 0;
 133                 cgit_diff_commit(commit, inspect_files, ctx.qry.vpath);
 134                 html("</td><td>");
 135                 htmlf("%d", files);
 136                 if (ctx.repo->enable_log_linecount) {
 137                         html("</td><td>");
 138                         htmlf("-%d/+%d", rem_lines, add_lines);
 139                 }
 140         }
 141         html("</td></tr>\n");
 142
 143         if (revs->graph || ctx.qry.showmsg) { /* Print a second table row */
 144                 struct strbuf msgbuf = STRBUF_INIT;
 145                 html("<tr class='nohover'><td/>"); /* Empty 'Age' column */
 146
 147                 if (ctx.qry.showmsg) {
 148                         /* Concatenate commit message + notes in msgbuf */
 149                         if (info->msg && *(info->msg)) {
 150                                 strbuf_addstr(&msgbuf, info->msg);
 151                                 strbuf_addch(&msgbuf, '\n');
 152                         }
 153                         format_note(NULL, commit->object.sha1, &msgbuf,
 154                                     PAGE_ENCODING,
 155                                     NOTES_SHOW_HEADER | NOTES_INDENT);
 156                         strbuf_addch(&msgbuf, '\n');
 157                         strbuf_ltrim(&msgbuf);
 158                 }
 159
 160                 if (revs->graph) {
 161                         int lines = 0;
 162
 163                         /* Calculate graph padding */
 164                         if (ctx.qry.showmsg) {
 165                                 /* Count #lines in commit message + notes */
 166                                 const char *p = msgbuf.buf;
 167                                 lines = 1;
 168                                 while ((p = strchr(p, '\n'))) {
 169                                         p++;
 170                                         lines++;
 171                                 }
 172                         }
 173
 174                         /* Print graph padding */
 175                         html("<td class='commitgraph'>");
 176                         while (lines > 0 || !graph_is_commit_finished(revs->graph)) {
 177                                 if (graphbuf.len)
 178                                         html("\n");
 179                                 strbuf_setlen(&graphbuf, 0);
 180                                 graph_next_line(revs->graph, &graphbuf);
 181                                 html(graphbuf.buf);
 182                                 lines--;
 183                         }
 184                         html("</td>\n");
 185                 }
 186
 187                 /* Print msgbuf into remainder of table row */
 188                 htmlf("<td colspan='%d'%s>\n", cols,
 189                         ctx.qry.showmsg ? " class='logmsg'" : "");
 190                 html_txt(msgbuf.buf);
 191                 html("</td></tr>\n");
 192                 strbuf_release(&msgbuf);
 193         }
 194
 195         strbuf_release(&graphbuf);
 196         cgit_free_commitinfo(info);
 197 }
 198
 199 static const char *disambiguate_ref(const char *ref)
 200 {
 201         unsigned char sha1[20];
 202         const char *longref;
 203
 204         longref = fmt("refs/heads/%s", ref);
 205         if (get_sha1(longref, sha1) == 0)
 206                 return longref;
 207
 208         return ref;
 209 }
 210
 211 static char *next_token(char **src)
 212 {
 213         char *result;
 214
 215         if (!src || !*src)
 216                 return NULL;
 217         while (isspace(**src))
 218                 (*src)++;
 219         if (!**src)
 220                 return NULL;
 221         result = *src;
 222         while (**src) {
 223                 if (isspace(**src)) {
 224                         **src = '\0';
 225                         (*src)++;
 226                         break;
 227                 }
 228                 (*src)++;
 229         }
 230         return result;
 231 }
 232
 233 void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
 234                     char *path, int pager)
 235 {
 236         struct rev_info rev;
 237         struct commit *commit;
 238         struct vector vec = VECTOR_INIT(char *);
 239         int i, columns = 3;
 240         char *arg;
 241
 242         /* First argv is NULL */
 243         vector_push(&vec, NULL, 0);
 244
 245         if (!tip)
 246                 tip = ctx.qry.head;
 247         tip = disambiguate_ref(tip);
 248         vector_push(&vec, &tip, 0);
 249
 250         if (grep && pattern && *pattern) {
 251                 pattern = xstrdup(pattern);
 252                 if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
 253                     !strcmp(grep, "committer")) {
 254                         arg = fmt("--%s=%s", grep, pattern);
 255                         vector_push(&vec, &arg, 0);
 256                 }
 257                 if (!strcmp(grep, "range")) {
 258                         /* Split the pattern at whitespace and add each token
 259                          * as a revision expression. Do not accept other
 260                          * rev-list options. Also, replace the previously
 261                          * pushed tip (it's no longer relevant).
 262                          */
 263                         vec.count--;
 264                         while ((arg = next_token(&pattern))) {
 265                                 if (*arg == '-') {
 266                                         fprintf(stderr, "Bad range expr: %s\n",
 267                                                 arg);
 268                                         break;
 269                                 }
 270                                 vector_push(&vec, &arg, 0);
 271                         }
 272                 }
 273         }
 274         if (ctx.repo->enable_commit_graph) {
 275                 static const char *graph_arg = "--graph";
 276                 vector_push(&vec, &graph_arg, 0);
 277         }
 278
 279         if (path) {
 280                 arg = "--";
 281                 vector_push(&vec, &arg, 0);
 282                 vector_push(&vec, &path, 0);
 283         }
 284
 285         /* Make sure the vector is NULL-terminated */
 286         vector_push(&vec, NULL, 0);
 287         vec.count--;
 288
 289         init_revisions(&rev, NULL);
 290         rev.abbrev = DEFAULT_ABBREV;
 291         rev.commit_format = CMIT_FMT_DEFAULT;
 292         rev.verbose_header = 1;
 293         rev.show_root_diff = 0;
 294         setup_revisions(vec.count, vec.data, &rev, NULL);
 295         load_ref_decorations(DECORATE_FULL_REFS);
 296         rev.show_decorations = 1;
 297         rev.grep_filter.regflags |= REG_ICASE;
 298         compile_grep_patterns(&rev.grep_filter);
 299         prepare_revision_walk(&rev);
 300
 301         if (pager)
 302                 html("<table class='list nowrap'>");
 303
 304         html("<tr class='nohover'><th class='left'>Age</th>");
 305         if (ctx.repo->enable_commit_graph)
 306                 html("<th></th>");
 307         html("<th class='left'>Commit message");
 308         if (pager) {
 309                 html(" (");
 310                 cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
 311                               NULL, ctx.qry.head, ctx.qry.sha1,
 312                               ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
 313                               ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
 314                 html(")");
 315         }
 316         html("</th><th class='left'>Author</th>");
 317         if (ctx.repo->enable_log_filecount) {
 318                 html("<th class='left'>Files</th>");
 319                 columns++;
 320                 if (ctx.repo->enable_log_linecount) {
 321                         html("<th class='left'>Lines</th>");
 322                         columns++;
 323                 }
 324         }
 325         html("</tr>\n");
 326
 327         if (ofs<0)
 328                 ofs = 0;
 329
 330         for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
 331                 free(commit->buffer);
 332                 commit->buffer = NULL;
 333                 free_commit_list(commit->parents);
 334                 commit->parents = NULL;
 335         }
 336
 337         for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
 338                 print_commit(commit, &rev);
 339                 free(commit->buffer);
 340                 commit->buffer = NULL;
 341                 free_commit_list(commit->parents);
 342                 commit->parents = NULL;
 343         }
 344         if (pager) {
 345                 html("</table><div class='pager'>");
 346                 if (ofs > 0) {
 347                         cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
 348                                       ctx.qry.sha1, ctx.qry.vpath,
 349                                       ofs - cnt, ctx.qry.grep,
 350                                       ctx.qry.search, ctx.qry.showmsg);
 351                         html("&nbsp;");
 352                 }
 353                 if ((commit = get_revision(&rev)) != NULL) {
 354                         cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
 355                                       ctx.qry.sha1, ctx.qry.vpath,
 356                                       ofs + cnt, ctx.qry.grep,
 357                                       ctx.qry.search, ctx.qry.showmsg);
 358                 }
 359                 html("</div>");
 360         } else if ((commit = get_revision(&rev)) != NULL) {
 361                 html("<tr class='nohover'><td colspan='3'>");
 362                 cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
 363                               ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
 364                 html("</td></tr>\n");
 365         }
 366 }