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