gitweb.ps.run Git - ps-cgit/blob - 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 /*
  17  * The list of available column colors in the commit graph.
  18  */
  19 static const char *column_colors_html[] = {
  20         "<span class='column1'>",
  21         "<span class='column2'>",
  22         "<span class='column3'>",
  23         "<span class='column4'>",
  24         "<span class='column5'>",
  25         "<span class='column6'>",
  26         "</span>",
  27 };
  28
  29 #define COLUMN_COLORS_HTML_MAX (ARRAY_SIZE(column_colors_html) - 1)
  30
  31 static void count_lines(char *line, int size)
  32 {
  33         if (size <= 0)
  34                 return;
  35
  36         if (line[0] == '+')
  37                 add_lines++;
  38
  39         else if (line[0] == '-')
  40                 rem_lines++;
  41 }
  42
  43 static void inspect_files(struct diff_filepair *pair)
  44 {
  45         unsigned long old_size = 0;
  46         unsigned long new_size = 0;
  47         int binary = 0;
  48
  49         files++;
  50         if (ctx.repo->enable_log_linecount)
  51                 cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
  52                                 &new_size, &binary, 0, ctx.qry.ignorews,
  53                                 count_lines);
  54 }
  55
  56 void show_commit_decorations(struct commit *commit)
  57 {
  58         struct name_decoration *deco;
  59         static char buf[1024];
  60
  61         buf[sizeof(buf) - 1] = 0;
  62         deco = lookup_decoration(&name_decoration, &commit->object);
  63         while (deco) {
  64                 if (!prefixcmp(deco->name, "refs/heads/")) {
  65                         strncpy(buf, deco->name + 11, sizeof(buf) - 1);
  66                         cgit_log_link(buf, NULL, "branch-deco", buf, NULL,
  67                                       ctx.qry.vpath, 0, NULL, NULL,
  68                                       ctx.qry.showmsg);
  69                 }
  70                 else if (!prefixcmp(deco->name, "tag: refs/tags/")) {
  71                         strncpy(buf, deco->name + 15, sizeof(buf) - 1);
  72                         cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
  73                 }
  74                 else if (!prefixcmp(deco->name, "refs/tags/")) {
  75                         strncpy(buf, deco->name + 10, sizeof(buf) - 1);
  76                         cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
  77                 }
  78                 else if (!prefixcmp(deco->name, "refs/remotes/")) {
  79                         if (!ctx.repo->enable_remote_branches)
  80                                 goto next;
  81                         strncpy(buf, deco->name + 13, sizeof(buf) - 1);
  82                         cgit_log_link(buf, NULL, "remote-deco", NULL,
  83                                       sha1_to_hex(commit->object.sha1),
  84                                       ctx.qry.vpath, 0, NULL, NULL,
  85                                       ctx.qry.showmsg);
  86                 }
  87                 else {
  88                         strncpy(buf, deco->name, sizeof(buf) - 1);
  89                         cgit_commit_link(buf, NULL, "deco", ctx.qry.head,
  90                                          sha1_to_hex(commit->object.sha1),
  91                                          ctx.qry.vpath, 0);
  92                 }
  93 next:
  94                 deco = deco->next;
  95         }
  96 }
  97
  98 static void print_commit(struct commit *commit, struct rev_info *revs)
  99 {
 100         struct commitinfo *info;
 101         int columns = revs->graph ? 4 : 3;
 102         struct strbuf graphbuf = STRBUF_INIT;
 103         struct strbuf msgbuf = STRBUF_INIT;
 104
 105         if (ctx.repo->enable_log_filecount)
 106                 columns++;
 107         if (ctx.repo->enable_log_linecount)
 108                 columns++;
 109
 110         if (revs->graph) {
 111                 /* Advance graph until current commit */
 112                 while (!graph_next_line(revs->graph, &graphbuf)) {
 113                         /* Print graph segment in otherwise empty table row */
 114                         html("<tr class='nohover'><td class='commitgraph'>");
 115                         html(graphbuf.buf);
 116                         htmlf("</td><td colspan='%d' /></tr>\n", columns);
 117                         strbuf_setlen(&graphbuf, 0);
 118                 }
 119                 /* Current commit's graph segment is now ready in graphbuf */
 120         }
 121
 122         info = cgit_parse_commit(commit);
 123         htmlf("<tr%s>", ctx.qry.showmsg ? " class='logheader'" : "");
 124
 125         if (revs->graph) {
 126                 /* Print graph segment for current commit */
 127                 html("<td class='commitgraph'>");
 128                 html(graphbuf.buf);
 129                 html("</td>");
 130                 strbuf_setlen(&graphbuf, 0);
 131         }
 132         else {
 133                 html("<td>");
 134                 cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
 135                 html("</td>");
 136         }
 137
 138         htmlf("<td%s>", ctx.qry.showmsg ? " class='logsubject'" : "");
 139         if (ctx.qry.showmsg) {
 140                 /* line-wrap long commit subjects instead of truncating them */
 141                 size_t subject_len = strlen(info->subject);
 142
 143                 if (subject_len > ctx.cfg.max_msg_len &&
 144                     ctx.cfg.max_msg_len >= 15) {
 145                         /* symbol for signaling line-wrap (in PAGE_ENCODING) */
 146                         const char wrap_symbol[] = { ' ', 0xE2, 0x86, 0xB5, 0 };
 147                         int i = ctx.cfg.max_msg_len - strlen(wrap_symbol);
 148
 149                         /* Rewind i to preceding space character */
 150                         while (i > 0 && !isspace(info->subject[i]))
 151                                 --i;
 152                         if (!i) /* Oops, zero spaces. Reset i */
 153                                 i = ctx.cfg.max_msg_len - strlen(wrap_symbol);
 154
 155                         /* add remainder starting at i to msgbuf */
 156                         strbuf_add(&msgbuf, info->subject + i, subject_len - i);
 157                         strbuf_trim(&msgbuf);
 158                         strbuf_add(&msgbuf, "\n\n", 2);
 159
 160                         /* Place wrap_symbol at position i in info->subject */
 161                         strcpy(info->subject + i, wrap_symbol);
 162                 }
 163         }
 164         cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
 165                          sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0);
 166         show_commit_decorations(commit);
 167         html("</td><td>");
 168         html_txt(info->author);
 169
 170         if (revs->graph) {
 171                 html("</td><td>");
 172                 cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
 173         }
 174
 175         if (ctx.repo->enable_log_filecount || ctx.repo->enable_log_linecount) {
 176                 files = 0;
 177                 add_lines = 0;
 178                 rem_lines = 0;
 179                 cgit_diff_commit(commit, inspect_files, ctx.qry.vpath);
 180         }
 181
 182         if (ctx.repo->enable_log_filecount)
 183                 htmlf("</td><td>%d", files);
 184         if (ctx.repo->enable_log_linecount)
 185                 htmlf("</td><td>-%d/+%d", rem_lines, add_lines);
 186
 187         html("</td></tr>\n");
 188
 189         if (revs->graph || ctx.qry.showmsg) { /* Print a second table row */
 190                 html("<tr class='nohover'>");
 191
 192                 if (ctx.qry.showmsg) {
 193                         /* Concatenate commit message + notes in msgbuf */
 194                         if (info->msg && *(info->msg)) {
 195                                 strbuf_addstr(&msgbuf, info->msg);
 196                                 strbuf_addch(&msgbuf, '\n');
 197                         }
 198                         format_display_notes(commit->object.sha1,
 199                                              &msgbuf, PAGE_ENCODING, 0);
 200                         strbuf_addch(&msgbuf, '\n');
 201                         strbuf_ltrim(&msgbuf);
 202                 }
 203
 204                 if (revs->graph) {
 205                         int lines = 0;
 206
 207                         /* Calculate graph padding */
 208                         if (ctx.qry.showmsg) {
 209                                 /* Count #lines in commit message + notes */
 210                                 const char *p = msgbuf.buf;
 211                                 lines = 1;
 212                                 while ((p = strchr(p, '\n'))) {
 213                                         p++;
 214                                         lines++;
 215                                 }
 216                         }
 217
 218                         /* Print graph padding */
 219                         html("<td class='commitgraph'>");
 220                         while (lines > 0 || !graph_is_commit_finished(revs->graph)) {
 221                                 if (graphbuf.len)
 222                                         html("\n");
 223                                 strbuf_setlen(&graphbuf, 0);
 224                                 graph_next_line(revs->graph, &graphbuf);
 225                                 html(graphbuf.buf);
 226                                 lines--;
 227                         }
 228                         html("</td>\n");
 229                 }
 230                 else
 231                         html("<td/>"); /* Empty 'Age' column */
 232
 233                 /* Print msgbuf into remainder of table row */
 234                 htmlf("<td colspan='%d'%s>\n", columns - (revs->graph ? 1 : 0),
 235                         ctx.qry.showmsg ? " class='logmsg'" : "");
 236                 html_txt(msgbuf.buf);
 237                 html("</td></tr>\n");
 238         }
 239
 240         strbuf_release(&msgbuf);
 241         strbuf_release(&graphbuf);
 242         cgit_free_commitinfo(info);
 243 }
 244
 245 static const char *disambiguate_ref(const char *ref)
 246 {
 247         unsigned char sha1[20];
 248         const char *longref;
 249
 250         longref = fmt("refs/heads/%s", ref);
 251         if (get_sha1(longref, sha1) == 0)
 252                 return longref;
 253
 254         return ref;
 255 }
 256
 257 static char *next_token(char **src)
 258 {
 259         char *result;
 260
 261         if (!src || !*src)
 262                 return NULL;
 263         while (isspace(**src))
 264                 (*src)++;
 265         if (!**src)
 266                 return NULL;
 267         result = *src;
 268         while (**src) {
 269                 if (isspace(**src)) {
 270                         **src = '\0';
 271                         (*src)++;
 272                         break;
 273                 }
 274                 (*src)++;
 275         }
 276         return result;
 277 }
 278
 279 void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
 280                     char *path, int pager, int commit_graph, int commit_sort)
 281 {
 282         struct rev_info rev;
 283         struct commit *commit;
 284         struct vector vec = VECTOR_INIT(char *);
 285         int i, columns = commit_graph ? 4 : 3;
 286         char *arg;
 287
 288         /* First argv is NULL */
 289         vector_push(&vec, NULL, 0);
 290
 291         if (!tip)
 292                 tip = ctx.qry.head;
 293         tip = disambiguate_ref(tip);
 294         vector_push(&vec, &tip, 0);
 295
 296         if (grep && pattern && *pattern) {
 297                 pattern = xstrdup(pattern);
 298                 if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
 299                     !strcmp(grep, "committer")) {
 300                         arg = fmt("--%s=%s", grep, pattern);
 301                         vector_push(&vec, &arg, 0);
 302                 }
 303                 if (!strcmp(grep, "range")) {
 304                         /* Split the pattern at whitespace and add each token
 305                          * as a revision expression. Do not accept other
 306                          * rev-list options. Also, replace the previously
 307                          * pushed tip (it's no longer relevant).
 308                          */
 309                         vec.count--;
 310                         while ((arg = next_token(&pattern))) {
 311                                 if (*arg == '-') {
 312                                         fprintf(stderr, "Bad range expr: %s\n",
 313                                                 arg);
 314                                         break;
 315                                 }
 316                                 vector_push(&vec, &arg, 0);
 317                         }
 318                 }
 319         }
 320         if (commit_graph) {
 321                 static const char *graph_arg = "--graph";
 322                 static const char *color_arg = "--color";
 323                 vector_push(&vec, &graph_arg, 0);
 324                 vector_push(&vec, &color_arg, 0);
 325                 graph_set_column_colors(column_colors_html,
 326                                         COLUMN_COLORS_HTML_MAX);
 327         }
 328
 329         if (commit_sort == 1) {
 330                 static const char *date_order_arg = "--date-order";
 331                 vector_push(&vec, &date_order_arg, 0);
 332         } else if (commit_sort == 2) {
 333                 static const char *topo_order_arg = "--topo-order";
 334                 vector_push(&vec, &topo_order_arg, 0);
 335         }
 336
 337         if (path) {
 338                 arg = "--";
 339                 vector_push(&vec, &arg, 0);
 340                 vector_push(&vec, &path, 0);
 341         }
 342
 343         /* Make sure the vector is NULL-terminated */
 344         vector_push(&vec, NULL, 0);
 345         vec.count--;
 346
 347         init_revisions(&rev, NULL);
 348         rev.abbrev = DEFAULT_ABBREV;
 349         rev.commit_format = CMIT_FMT_DEFAULT;
 350         rev.verbose_header = 1;
 351         rev.show_root_diff = 0;
 352         setup_revisions(vec.count, vec.data, &rev, NULL);
 353         load_ref_decorations(DECORATE_FULL_REFS);
 354         rev.show_decorations = 1;
 355         rev.grep_filter.regflags |= REG_ICASE;
 356         compile_grep_patterns(&rev.grep_filter);
 357         prepare_revision_walk(&rev);
 358
 359         if (pager)
 360                 html("<table class='list nowrap'>");
 361
 362         html("<tr class='nohover'>");
 363         if (commit_graph)
 364                 html("<th></th>");
 365         else
 366                 html("<th class='left'>Age</th>");
 367         html("<th class='left'>Commit message");
 368         if (pager) {
 369                 html(" (");
 370                 cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
 371                               NULL, ctx.qry.head, ctx.qry.sha1,
 372                               ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
 373                               ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
 374                 html(")");
 375         }
 376         html("</th><th class='left'>Author</th>");
 377         if (commit_graph)
 378                 html("<th class='left'>Age</th>");
 379         if (ctx.repo->enable_log_filecount) {
 380                 html("<th class='left'>Files</th>");
 381                 columns++;
 382         }
 383         if (ctx.repo->enable_log_linecount) {
 384                 html("<th class='left'>Lines</th>");
 385                 columns++;
 386         }
 387         html("</tr>\n");
 388
 389         if (ofs<0)
 390                 ofs = 0;
 391
 392         for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
 393                 free(commit->buffer);
 394                 commit->buffer = NULL;
 395                 free_commit_list(commit->parents);
 396                 commit->parents = NULL;
 397         }
 398
 399         init_display_notes(NULL);
 400         for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
 401                 print_commit(commit, &rev);
 402                 free(commit->buffer);
 403                 commit->buffer = NULL;
 404                 free_commit_list(commit->parents);
 405                 commit->parents = NULL;
 406         }
 407         if (pager) {
 408                 html("</table><ul class='pager'>");
 409                 if (ofs > 0) {
 410                         html("<li>");
 411                         cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
 412                                       ctx.qry.sha1, ctx.qry.vpath,
 413                                       ofs - cnt, ctx.qry.grep,
 414                                       ctx.qry.search, ctx.qry.showmsg);
 415                         html("</li>");
 416                 }
 417                 if ((commit = get_revision(&rev)) != NULL) {
 418                         html("<li>");
 419                         cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
 420                                       ctx.qry.sha1, ctx.qry.vpath,
 421                                       ofs + cnt, ctx.qry.grep,
 422                                       ctx.qry.search, ctx.qry.showmsg);
 423                         html("</li>");
 424                 }
 425                 html("</ul>");
 426         } else if ((commit = get_revision(&rev)) != NULL) {
 427                 htmlf("<tr class='nohover'><td colspan='%d'>", columns);
 428                 cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
 429                               ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
 430                 html("</td></tr>\n");
 431         }
 432 }