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authorLars Hjemli <hjemli@gmail.com>2008-04-24 23:32:02 +0200
committerLars Hjemli <hjemli@gmail.com>2008-04-24 23:41:32 +0200
commitfe1230dece81450004d02fa8a470f8dab8f7fdd9 (patch)
treed9c26264b9339d05dbcaa84a59fcabb081e84e98 /ui-diff.c
parentFix commitdiff annoyance (diff)
downloadcgit-fe1230dece81450004d02fa8a470f8dab8f7fdd9.tar.xz
cgit-fe1230dece81450004d02fa8a470f8dab8f7fdd9.zip
Integrate diffstat with diff
This creates a generic diffstat function in ui-diff, which then is invoked from cgit_print_diff with the result that both commit and diff- view gets a diffstat. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Diffstat (limited to '')
-rw-r--r--ui-diff.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/ui-diff.c b/ui-diff.c
index 2a22009..625b5fd 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -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);