Diff options
Diffstat (limited to 'ui-diff.c')
| -rw-r--r-- | ui-diff.c | 145 |
1 file changed, 145 insertions, 0 deletions
@@ -13,6 +13,149 @@ unsigned char old_rev_sha1[20]; unsigned char new_rev_sha1[20]; +static int files, slots; +static int total_adds, total_rems, max_changes; +static int lines_added, lines_removed; +static char *curr_rev; + +static struct fileinfo { + char status; + unsigned char old_sha1[20]; + unsigned char new_sha1[20]; + unsigned short old_mode; + unsigned short new_mode; + char *old_path; + char *new_path; + unsigned int added; + unsigned int removed; +} *items; + + +static void print_fileinfo(struct fileinfo *info) +{ + char *class; + + switch (info->status) { + case DIFF_STATUS_ADDED: + class = "add"; + break; + case DIFF_STATUS_COPIED: + class = "cpy"; + break; + case DIFF_STATUS_DELETED: + class = "del"; + break; + case DIFF_STATUS_MODIFIED: + class = "upd"; + break; + case DIFF_STATUS_RENAMED: + class = "mov"; + break; + case DIFF_STATUS_TYPE_CHANGED: + class = "typ"; + break; + case DIFF_STATUS_UNKNOWN: + class = "unk"; + break; + case DIFF_STATUS_UNMERGED: + class = "stg"; + break; + default: + die("bug: unhandled diff status %c", info->status); + } + + html("<tr>"); + htmlf("<td class='mode'>"); + if (is_null_sha1(info->new_sha1)) { + cgit_print_filemode(info->old_mode); + } else { + cgit_print_filemode(info->new_mode); + } + + if (info->old_mode != info->new_mode && + !is_null_sha1(info->old_sha1) && + !is_null_sha1(info->new_sha1)) { + html("<span class='modechange'>["); + cgit_print_filemode(info->old_mode); + html("]</span>"); + } + htmlf("</td><td class='%s'>", class); + cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, curr_rev, + NULL, info->new_path); + if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED) + htmlf(" (%s from %s)", + info->status == DIFF_STATUS_COPIED ? "copied" : "renamed", + info->old_path); + html("</td><td class='right'>"); + htmlf("%d", info->added + info->removed); + html("</td><td class='graph'>"); + htmlf("<table summary='file diffstat' width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes)); + htmlf("<td class='add' style='width: %.1f%%;'/>", + info->added * 100.0 / max_changes); + htmlf("<td class='rem' style='width: %.1f%%;'/>", + info->removed * 100.0 / max_changes); + htmlf("<td class='none' style='width: %.1f%%;'/>", + (max_changes - info->removed - info->added) * 100.0 / max_changes); + html("</tr></table></td></tr>\n"); +} + +static void count_diff_lines(char *line, int len) +{ + if (line && (len > 0)) { + if (line[0] == '+') + lines_added++; + else if (line[0] == '-') + lines_removed++; + } +} + +static void inspect_filepair(struct diff_filepair *pair) +{ + files++; + lines_added = 0; + lines_removed = 0; + cgit_diff_files(pair->one->sha1, pair->two->sha1, count_diff_lines); + if (files >= slots) { + if (slots == 0) + slots = 4; + else + slots = slots * 2; + items = xrealloc(items, slots * sizeof(struct fileinfo)); + } + items[files-1].status = pair->status; + hashcpy(items[files-1].old_sha1, pair->one->sha1); + hashcpy(items[files-1].new_sha1, pair->two->sha1); + items[files-1].old_mode = pair->one->mode; + items[files-1].new_mode = pair->two->mode; + items[files-1].old_path = xstrdup(pair->one->path); + items[files-1].new_path = xstrdup(pair->two->path); + items[files-1].added = lines_added; + items[files-1].removed = lines_removed; + if (lines_added + lines_removed > max_changes) + max_changes = lines_added + lines_removed; + total_adds += lines_added; + total_rems += lines_removed; +} + +void cgit_print_diffstat(const unsigned char *old_sha1, + const unsigned char *new_sha1) +{ + int i; + + html("<div class='diffstat-header'>Diffstat</div>"); + html("<table summary='diffstat' class='diffstat'>"); + max_changes = 0; + cgit_diff_tree(old_sha1, new_sha1, inspect_filepair, NULL); + for(i = 0; i<files; i++) + print_fileinfo(&items[i]); + html("</table>"); + html("<div class='diffstat-summary'>"); + htmlf("%d files changed, %d insertions, %d deletions", + files, total_adds, total_rems); + html("</div>"); +} + + /* * print a single line returned from xdiff */ @@ -142,6 +285,8 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi if (!commit2 || parse_commit(commit2)) cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(old_rev_sha1))); } + cgit_print_diffstat(old_rev_sha1, new_rev_sha1); + html("<table summary='diff' class='diff'>"); html("<tr><td>"); cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix); |