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 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 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                         strncpy(buf, deco->name + 13, sizeof(buf) - 1);
  80                         cgit_log_link(buf, NULL, "remote-deco", NULL,
  81                                       sha1_to_hex(commit->object.sha1),
  82                                       ctx.qry.vpath, 0, NULL, NULL,
  83                                       ctx.qry.showmsg);
  84                 }
  85                 else {
  86                         strncpy(buf, deco->name, sizeof(buf) - 1);
  87                         cgit_commit_link(buf, NULL, "deco", ctx.qry.head,
  88                                          sha1_to_hex(commit->object.sha1),
  89                                          ctx.qry.vpath, 0);
  90                 }
  91                 deco = deco->next;
  92         }
  93 }
  94
  95 void print_commit(struct commit *commit, struct rev_info *revs)
  96 {
  97         struct commitinfo *info;
  98         char *tmp;
  99         int cols = 2;
 100         struct strbuf graphbuf = STRBUF_INIT;
 101
 102         if (ctx.repo->enable_log_filecount) {
 103                 cols++;
 104                 if (ctx.repo->enable_log_linecount)
 105                         cols++;
 106         }
 107
 108         if (revs->graph) {
 109                 /* Advance graph until current commit */
 110                 while (!graph_next_line(revs->graph, &graphbuf)) {
 111                         /* Print graph segment in otherwise empty table row */
 112                         html("<tr class='nohover'><td/><td class='commitgraph'>");
 113                         html(graphbuf.buf);
 114                         htmlf("</td><td colspan='%d' /></tr>\n", cols);
 115                         strbuf_setlen(&graphbuf, 0);
 116                 }
 117                 /* Current commit's graph segment is now ready in graphbuf */
 118         }
 119
 120         info = cgit_parse_commit(commit);
 121         htmlf("<tr%s><td>",
 122                 ctx.qry.showmsg ? " class='logheader'" : "");
 123         tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1));
 124         tmp = cgit_fileurl(ctx.repo->url, "commit", ctx.qry.vpath, tmp);
 125         html_link_open(tmp, NULL, NULL);
 126         cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
 127         html_link_close();
 128         html("</td>");
 129
 130         if (revs->graph) {
 131                 /* Print graph segment for current commit */
 132                 html("<td class='commitgraph'>");
 133                 html(graphbuf.buf);
 134                 html("</td>");
 135                 strbuf_setlen(&graphbuf, 0);
 136         }
 137
 138         htmlf("<td%s>", ctx.qry.showmsg ? " class='logsubject'" : "");
 139         cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
 140                          sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0);
 141         show_commit_decorations(commit);
 142         html("</td><td>");
 143         html_txt(info->author);
 144         if (ctx.repo->enable_log_filecount) {
 145                 files = 0;
 146                 add_lines = 0;
 147                 rem_lines = 0;
 148                 cgit_diff_commit(commit, inspect_files, ctx.qry.vpath);
 149                 html("</td><td>");
 150                 htmlf("%d", files);
 151                 if (ctx.repo->enable_log_linecount) {
 152                         html("</td><td>");
 153                         htmlf("-%d/+%d", rem_lines, add_lines);
 154                 }
 155         }
 156         html("</td></tr>\n");
 157
 158         if (revs->graph || ctx.qry.showmsg) { /* Print a second table row */
 159                 struct strbuf msgbuf = STRBUF_INIT;
 160                 html("<tr class='nohover'><td/>"); /* Empty 'Age' column */
 161
 162                 if (ctx.qry.showmsg) {
 163                         /* Concatenate commit message + notes in msgbuf */
 164                         if (info->msg && *(info->msg)) {
 165                                 strbuf_addstr(&msgbuf, info->msg);
 166                                 strbuf_addch(&msgbuf, '\n');
 167                         }
 168                         format_note(NULL, commit->object.sha1, &msgbuf,
 169                                     PAGE_ENCODING,
 170                                     NOTES_SHOW_HEADER | NOTES_INDENT);
 171                         strbuf_addch(&msgbuf, '\n');
 172                         strbuf_ltrim(&msgbuf);
 173                 }
 174
 175                 if (revs->graph) {
 176                         int lines = 0;
 177
 178                         /* Calculate graph padding */
 179                         if (ctx.qry.showmsg) {
 180                                 /* Count #lines in commit message + notes */
 181                                 const char *p = msgbuf.buf;
 182                                 lines = 1;
 183                                 while ((p = strchr(p, '\n'))) {
 184                                         p++;
 185                                         lines++;
 186                                 }
 187                         }
 188
 189                         /* Print graph padding */
 190                         html("<td class='commitgraph'>");
 191                         while (lines > 0 || !graph_is_commit_finished(revs->graph)) {
 192                                 if (graphbuf.len)
 193                                         html("\n");
 194                                 strbuf_setlen(&graphbuf, 0);
 195                                 graph_next_line(revs->graph, &graphbuf);
 196                                 html(graphbuf.buf);
 197                                 lines--;
 198                         }
 199                         html("</td>\n");
 200                 }
 201
 202                 /* Print msgbuf into remainder of table row */
 203                 htmlf("<td colspan='%d'%s>\n", cols,
 204                         ctx.qry.showmsg ? " class='logmsg'" : "");
 205                 html_txt(msgbuf.buf);
 206                 html("</td></tr>\n");
 207                 strbuf_release(&msgbuf);
 208         }
 209
 210         strbuf_release(&graphbuf);
 211         cgit_free_commitinfo(info);
 212 }
 213
 214 static const char *disambiguate_ref(const char *ref)
 215 {
 216         unsigned char sha1[20];
 217         const char *longref;
 218
 219         longref = fmt("refs/heads/%s", ref);
 220         if (get_sha1(longref, sha1) == 0)
 221                 return longref;
 222
 223         return ref;
 224 }
 225
 226 static char *next_token(char **src)
 227 {
 228         char *result;
 229
 230         if (!src || !*src)
 231                 return NULL;
 232         while (isspace(**src))
 233                 (*src)++;
 234         if (!**src)
 235                 return NULL;
 236         result = *src;
 237         while (**src) {
 238                 if (isspace(**src)) {
 239                         **src = '\0';
 240                         (*src)++;
 241                         break;
 242                 }
 243                 (*src)++;
 244         }
 245         return result;
 246 }
 247
 248 void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
 249                     char *path, int pager)
 250 {
 251         struct rev_info rev;
 252         struct commit *commit;
 253         struct vector vec = VECTOR_INIT(char *);
 254         int i, columns = 3;
 255         char *arg;
 256
 257         /* First argv is NULL */
 258         vector_push(&vec, NULL, 0);
 259
 260         if (!tip)
 261                 tip = ctx.qry.head;
 262         tip = disambiguate_ref(tip);
 263         vector_push(&vec, &tip, 0);
 264
 265         if (grep && pattern && *pattern) {
 266                 pattern = xstrdup(pattern);
 267                 if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
 268                     !strcmp(grep, "committer")) {
 269                         arg = fmt("--%s=%s", grep, pattern);
 270                         vector_push(&vec, &arg, 0);
 271                 }
 272                 if (!strcmp(grep, "range")) {
 273                         /* Split the pattern at whitespace and add each token
 274                          * as a revision expression. Do not accept other
 275                          * rev-list options. Also, replace the previously
 276                          * pushed tip (it's no longer relevant).
 277                          */
 278                         vec.count--;
 279                         while ((arg = next_token(&pattern))) {
 280                                 if (*arg == '-') {
 281                                         fprintf(stderr, "Bad range expr: %s\n",
 282                                                 arg);
 283                                         break;
 284                                 }
 285                                 vector_push(&vec, &arg, 0);
 286                         }
 287                 }
 288         }
 289         if (ctx.repo->enable_commit_graph) {
 290                 static const char *graph_arg = "--graph";
 291                 static const char *color_arg = "--color";
 292                 vector_push(&vec, &graph_arg, 0);
 293                 vector_push(&vec, &color_arg, 0);
 294                 graph_set_column_colors(column_colors_html,
 295                                         COLUMN_COLORS_HTML_MAX);
 296         }
 297
 298         if (path) {
 299                 arg = "--";
 300                 vector_push(&vec, &arg, 0);
 301                 vector_push(&vec, &path, 0);
 302         }
 303
 304         /* Make sure the vector is NULL-terminated */
 305         vector_push(&vec, NULL, 0);
 306         vec.count--;
 307
 308         init_revisions(&rev, NULL);
 309         rev.abbrev = DEFAULT_ABBREV;
 310         rev.commit_format = CMIT_FMT_DEFAULT;
 311         rev.verbose_header = 1;
 312         rev.show_root_diff = 0;
 313         setup_revisions(vec.count, vec.data, &rev, NULL);
 314         load_ref_decorations(DECORATE_FULL_REFS);
 315         rev.show_decorations = 1;
 316         rev.grep_filter.regflags |= REG_ICASE;
 317         compile_grep_patterns(&rev.grep_filter);
 318         prepare_revision_walk(&rev);
 319
 320         if (pager)
 321                 html("<table class='list nowrap'>");
 322
 323         html("<tr class='nohover'><th class='left'>Age</th>");
 324         if (ctx.repo->enable_commit_graph)
 325                 html("<th></th>");
 326         html("<th class='left'>Commit message");
 327         if (pager) {
 328                 html(" (");
 329                 cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
 330                               NULL, ctx.qry.head, ctx.qry.sha1,
 331                               ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
 332                               ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
 333                 html(")");
 334         }
 335         html("</th><th class='left'>Author</th>");
 336         if (ctx.repo->enable_log_filecount) {
 337                 html("<th class='left'>Files</th>");
 338                 columns++;
 339                 if (ctx.repo->enable_log_linecount) {
 340                         html("<th class='left'>Lines</th>");
 341                         columns++;
 342                 }
 343         }
 344         html("</tr>\n");
 345
 346         if (ofs<0)
 347                 ofs = 0;
 348
 349         for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
 350                 free(commit->buffer);
 351                 commit->buffer = NULL;
 352                 free_commit_list(commit->parents);
 353                 commit->parents = NULL;
 354         }
 355
 356         for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
 357                 print_commit(commit, &rev);
 358                 free(commit->buffer);
 359                 commit->buffer = NULL;
 360                 free_commit_list(commit->parents);
 361                 commit->parents = NULL;
 362         }
 363         if (pager) {
 364                 html("</table><div class='pager'>");
 365                 if (ofs > 0) {
 366                         cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
 367                                       ctx.qry.sha1, ctx.qry.vpath,
 368                                       ofs - cnt, ctx.qry.grep,
 369                                       ctx.qry.search, ctx.qry.showmsg);
 370                         html("&nbsp;");
 371                 }
 372                 if ((commit = get_revision(&rev)) != NULL) {
 373                         cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
 374                                       ctx.qry.sha1, ctx.qry.vpath,
 375                                       ofs + cnt, ctx.qry.grep,
 376                                       ctx.qry.search, ctx.qry.showmsg);
 377                 }
 378                 html("</div>");
 379         } else if ((commit = get_revision(&rev)) != NULL) {
 380                 html("<tr class='nohover'><td colspan='3'>");
 381                 cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
 382                               ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
 383                 html("</td></tr>\n");
 384         }
 385 }