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)
  81 {
  82         struct commitinfo *info;
  83         char *tmp;
  84         int cols = 2;
  85
  86         info = cgit_parse_commit(commit);
  87         htmlf("<tr%s><td>",
  88                 ctx.qry.showmsg ? " class='logheader'" : "");
  89         tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1));
  90         tmp = cgit_fileurl(ctx.repo->url, "commit", ctx.qry.vpath, tmp);
  91         html_link_open(tmp, NULL, NULL);
  92         cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
  93         html_link_close();
  94         htmlf("</td><td%s>",
  95                 ctx.qry.showmsg ? " class='logsubject'" : "");
  96         cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
  97                          sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0);
  98         show_commit_decorations(commit);
  99         html("</td><td>");
 100         html_txt(info->author);
 101         if (ctx.repo->enable_log_filecount) {
 102                 files = 0;
 103                 add_lines = 0;
 104                 rem_lines = 0;
 105                 cgit_diff_commit(commit, inspect_files, ctx.qry.vpath);
 106                 html("</td><td>");
 107                 htmlf("%d", files);
 108                 if (ctx.repo->enable_log_linecount) {
 109                         html("</td><td>");
 110                         htmlf("-%d/+%d", rem_lines, add_lines);
 111                 }
 112         }
 113         html("</td></tr>\n");
 114
 115         if (ctx.qry.showmsg) { /* Print message + notes in a second table row */
 116                 /* Concatenate commit message and notes in msgbuf */
 117                 struct strbuf msgbuf = STRBUF_INIT;
 118                 if (info->msg && *(info->msg)) {
 119                         strbuf_addstr(&msgbuf, info->msg);
 120                         strbuf_addch(&msgbuf, '\n');
 121                 }
 122                 format_note(NULL, commit->object.sha1, &msgbuf, PAGE_ENCODING,
 123                             NOTES_SHOW_HEADER | NOTES_INDENT);
 124                 strbuf_addch(&msgbuf, '\n');
 125                 strbuf_ltrim(&msgbuf);
 126
 127                 if (ctx.repo->enable_log_filecount) {
 128                         cols++;
 129                         if (ctx.repo->enable_log_linecount)
 130                                 cols++;
 131                 }
 132
 133                 /* Create second table row containing msgbuf */
 134                 htmlf("<tr class='nohover'><td/><td colspan='%d' class='logmsg'>",
 135                         cols);
 136                 html_txt(msgbuf.buf);
 137                 html("</td></tr>\n");
 138                 strbuf_release(&msgbuf);
 139         }
 140
 141         cgit_free_commitinfo(info);
 142 }
 143
 144 static const char *disambiguate_ref(const char *ref)
 145 {
 146         unsigned char sha1[20];
 147         const char *longref;
 148
 149         longref = fmt("refs/heads/%s", ref);
 150         if (get_sha1(longref, sha1) == 0)
 151                 return longref;
 152
 153         return ref;
 154 }
 155
 156 static char *next_token(char **src)
 157 {
 158         char *result;
 159
 160         if (!src || !*src)
 161                 return NULL;
 162         while (isspace(**src))
 163                 (*src)++;
 164         if (!**src)
 165                 return NULL;
 166         result = *src;
 167         while (**src) {
 168                 if (isspace(**src)) {
 169                         **src = '\0';
 170                         (*src)++;
 171                         break;
 172                 }
 173                 (*src)++;
 174         }
 175         return result;
 176 }
 177
 178 void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
 179                     char *path, int pager)
 180 {
 181         struct rev_info rev;
 182         struct commit *commit;
 183         struct vector vec = VECTOR_INIT(char *);
 184         int i, columns = 3;
 185         char *arg;
 186
 187         /* First argv is NULL */
 188         vector_push(&vec, NULL, 0);
 189
 190         if (!tip)
 191                 tip = ctx.qry.head;
 192         tip = disambiguate_ref(tip);
 193         vector_push(&vec, &tip, 0);
 194
 195         if (grep && pattern && *pattern) {
 196                 pattern = xstrdup(pattern);
 197                 if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
 198                     !strcmp(grep, "committer")) {
 199                         arg = fmt("--%s=%s", grep, pattern);
 200                         vector_push(&vec, &arg, 0);
 201                 }
 202                 if (!strcmp(grep, "range")) {
 203                         /* Split the pattern at whitespace and add each token
 204                          * as a revision expression. Do not accept other
 205                          * rev-list options. Also, replace the previously
 206                          * pushed tip (it's no longer relevant).
 207                          */
 208                         vec.count--;
 209                         while ((arg = next_token(&pattern))) {
 210                                 if (*arg == '-') {
 211                                         fprintf(stderr, "Bad range expr: %s\n",
 212                                                 arg);
 213                                         break;
 214                                 }
 215                                 vector_push(&vec, &arg, 0);
 216                         }
 217                 }
 218         }
 219
 220         if (path) {
 221                 arg = "--";
 222                 vector_push(&vec, &arg, 0);
 223                 vector_push(&vec, &path, 0);
 224         }
 225
 226         /* Make sure the vector is NULL-terminated */
 227         vector_push(&vec, NULL, 0);
 228         vec.count--;
 229
 230         init_revisions(&rev, NULL);
 231         rev.abbrev = DEFAULT_ABBREV;
 232         rev.commit_format = CMIT_FMT_DEFAULT;
 233         rev.verbose_header = 1;
 234         rev.show_root_diff = 0;
 235         setup_revisions(vec.count, vec.data, &rev, NULL);
 236         load_ref_decorations(DECORATE_FULL_REFS);
 237         rev.show_decorations = 1;
 238         rev.grep_filter.regflags |= REG_ICASE;
 239         compile_grep_patterns(&rev.grep_filter);
 240         prepare_revision_walk(&rev);
 241
 242         if (pager)
 243                 html("<table class='list nowrap'>");
 244
 245         html("<tr class='nohover'><th class='left'>Age</th>"
 246               "<th class='left'>Commit message");
 247         if (pager) {
 248                 html(" (");
 249                 cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
 250                               NULL, ctx.qry.head, ctx.qry.sha1,
 251                               ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
 252                               ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
 253                 html(")");
 254         }
 255         html("</th><th class='left'>Author</th>");
 256         if (ctx.repo->enable_log_filecount) {
 257                 html("<th class='left'>Files</th>");
 258                 columns++;
 259                 if (ctx.repo->enable_log_linecount) {
 260                         html("<th class='left'>Lines</th>");
 261                         columns++;
 262                 }
 263         }
 264         html("</tr>\n");
 265
 266         if (ofs<0)
 267                 ofs = 0;
 268
 269         for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
 270                 free(commit->buffer);
 271                 commit->buffer = NULL;
 272                 free_commit_list(commit->parents);
 273                 commit->parents = NULL;
 274         }
 275
 276         for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
 277                 print_commit(commit);
 278                 free(commit->buffer);
 279                 commit->buffer = NULL;
 280                 free_commit_list(commit->parents);
 281                 commit->parents = NULL;
 282         }
 283         if (pager) {
 284                 html("</table><div class='pager'>");
 285                 if (ofs > 0) {
 286                         cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
 287                                       ctx.qry.sha1, ctx.qry.vpath,
 288                                       ofs - cnt, ctx.qry.grep,
 289                                       ctx.qry.search, ctx.qry.showmsg);
 290                         html("&nbsp;");
 291                 }
 292                 if ((commit = get_revision(&rev)) != NULL) {
 293                         cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
 294                                       ctx.qry.sha1, ctx.qry.vpath,
 295                                       ofs + cnt, ctx.qry.grep,
 296                                       ctx.qry.search, ctx.qry.showmsg);
 297                 }
 298                 html("</div>");
 299         } else if ((commit = get_revision(&rev)) != NULL) {
 300                 html("<tr class='nohover'><td colspan='3'>");
 301                 cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
 302                               ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
 303                 html("</td></tr>\n");
 304         }
 305 }