+#include "ui-ssdiff.h"
+
+struct object_id old_rev_oid[1];
+struct object_id new_rev_oid[1];
+
+static int files, slots;
+static int total_adds, total_rems, max_changes;
+static int lines_added, lines_removed;
+
+static struct fileinfo {
+ char status;
+ struct object_id old_oid[1];
+ struct object_id new_oid[1];
+ unsigned short old_mode;
+ unsigned short new_mode;
+ char *old_path;
+ char *new_path;
+ unsigned int added;
+ unsigned int removed;
+ unsigned long old_size;
+ unsigned long new_size;
+ unsigned int binary:1;
+} *items;
+
+static int use_ssdiff = 0;
+static struct diff_filepair *current_filepair;
+static const char *current_prefix;
+
+struct diff_filespec *cgit_get_current_old_file(void)
+{
+ return current_filepair->one;
+}
+
+struct diff_filespec *cgit_get_current_new_file(void)
+{
+ return current_filepair->two;
+}
+
+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>");
+ html("<td class='mode'>");
+ if (is_null_oid(info->new_oid)) {
+ cgit_print_filemode(info->old_mode);
+ } else {
+ cgit_print_filemode(info->new_mode);
+ }
+
+ if (info->old_mode != info->new_mode &&
+ !is_null_oid(info->old_oid) &&
+ !is_null_oid(info->new_oid)) {
+ 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, ctx.qry.sha1,
+ ctx.qry.sha2, info->new_path);
+ if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED) {
+ htmlf(" (%s from ",
+ info->status == DIFF_STATUS_COPIED ? "copied" : "renamed");
+ html_txt(info->old_path);
+ html(")");
+ }
+ html("</td><td class='right'>");
+ if (info->binary) {
+ htmlf("bin</td><td class='graph'>%ld -> %ld bytes",
+ info->old_size, info->new_size);
+ return;
+ }
+ 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 int show_filepair(struct diff_filepair *pair)
+{
+ /* Always show if we have no limiting prefix. */
+ if (!current_prefix)
+ return 1;
+
+ /* Show if either path in the pair begins with the prefix. */
+ if (starts_with(pair->one->path, current_prefix) ||
+ starts_with(pair->two->path, current_prefix))
+ return 1;
+
+ /* Otherwise we don't want to show this filepair. */
+ return 0;
+}
+
+static void inspect_filepair(struct diff_filepair *pair)
+{
+ int binary = 0;
+ unsigned long old_size = 0;
+ unsigned long new_size = 0;
+
+ if (!show_filepair(pair))
+ return;
+
+ files++;
+ lines_added = 0;
+ lines_removed = 0;
+ cgit_diff_files(&pair->one->oid, &pair->two->oid, &old_size, &new_size,
+ &binary, 0, ctx.qry.ignorews, 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;
+ oidcpy(items[files-1].old_oid, &pair->one->oid);
+ oidcpy(items[files-1].new_oid, &pair->two->oid);
+ 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;
+ items[files-1].old_size = old_size;
+ items[files-1].new_size = new_size;
+ items[files-1].binary = binary;
+ if (lines_added + lines_removed > max_changes)
+ max_changes = lines_added + lines_removed;
+ total_adds += lines_added;
+ total_rems += lines_removed;
+}
+
+static void cgit_print_diffstat(const struct object_id *old_oid,
+ const struct object_id *new_oid,
+ const char *prefix)
+{
+ int i;
+
+ html("<div class='diffstat-header'>");
+ cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.sha1,
+ ctx.qry.sha2, NULL);
+ if (prefix) {
+ html(" (limited to '");
+ html_txt(prefix);
+ html("')");
+ }
+ html("</div>");
+ html("<table summary='diffstat' class='diffstat'>");
+ max_changes = 0;
+ cgit_diff_tree(old_oid, new_oid, inspect_filepair, prefix,
+ ctx.qry.ignorews);
+ 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>");
+}
git.ckatri.com / cgit.git / blobdiff