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authorJeff Smith <whydoubt@gmail.com>2017-10-28 21:43:26 -0500
committerJason A. Donenfeld <Jason@zx2c4.com>2018-01-19 11:40:58 +0100
commitdbaee2672be14374acb17266477c19294c6155f3 (patch)
treeb9824a153190bab7f0b6e48b922b1b3934666d96 /ui-blame.c
parentaafc42d8089437db5105feb12d540c33fe9f9e16 (diff)
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ui-blame: Allow syntax highlighting
Place file contents into a single block so that syntax highlighting can be applied in the usual fashion. Place the alternating color bars behind the file contents. Force the default syntax highlighting background to transparent. Signed-off-by: Jeff Smith <whydoubt@gmail.com> Reviewed-by: John Keeping <john@keeping.me.uk>
Diffstat (limited to 'ui-blame.c')
-rw-r--r--ui-blame.c63
1 files changed, 51 insertions, 12 deletions
diff --git a/ui-blame.c b/ui-blame.c
index d565fff..17e2d60 100644
--- a/ui-blame.c
+++ b/ui-blame.c
@@ -67,15 +67,29 @@ static void emit_blame_entry_linenumber(struct blame_entry *ent)
htmlf(numberfmt, ++lineno);
}
-static void emit_blame_entry_line(struct blame_scoreboard *sb,
- struct blame_entry *ent)
+static void emit_blame_entry_line_background(struct blame_scoreboard *sb,
+ struct blame_entry *ent)
{
- const char *cp, *cpend;
+ unsigned long line;
+ size_t len, maxlen = 2;
+ const char* pos, *endpos;
- cp = blame_nth_line(sb, ent->lno);
- cpend = blame_nth_line(sb, ent->lno + ent->num_lines);
+ for (line = ent->lno; line < ent->lno + ent->num_lines; line++) {
+ html("\n");
+ pos = blame_nth_line(sb, line);
+ endpos = blame_nth_line(sb, line + 1);
+ len = 0;
+ while (pos < endpos) {
+ len++;
+ if (*pos++ == '\t')
+ len = (len + 7) & ~7;
+ }
+ if (len > maxlen)
+ maxlen = len;
+ }
- html_ntxt(cp, cpend - cp);
+ for (len = 0; len < maxlen - 1; len++)
+ html(" ");
}
struct walk_tree_context {
@@ -88,6 +102,7 @@ static void print_object(const unsigned char *sha1, const char *path,
const char *basename, const char *rev)
{
enum object_type type;
+ char *buf;
unsigned long size;
struct argv_array rev_argv = ARGV_ARRAY_INIT;
struct rev_info revs;
@@ -102,6 +117,13 @@ static void print_object(const unsigned char *sha1, const char *path,
return;
}
+ buf = read_sha1_file(sha1, &type, &size);
+ if (!buf) {
+ cgit_print_error_page(500, "Internal server error",
+ "Error reading object %s", sha1_to_hex(sha1));
+ return;
+ }
+
argv_array_push(&rev_argv, "blame");
argv_array_push(&rev_argv, rev);
init_revisions(&revs, NULL);
@@ -157,20 +179,37 @@ static void print_object(const unsigned char *sha1, const char *path,
html("</td>\n");
}
- /* Lines */
- html("<td class='lines'>");
+ html("<td class='lines'><div>");
+
+ /* Colored bars behind lines */
+ html("<div>");
for (ent = sb.ent; ent; ) {
struct blame_entry *e = ent->next;
- html("<div class='alt'><pre><code>");
- emit_blame_entry_line(&sb, ent);
- html("</code></pre></div>");
+ html("<div class='alt'><pre>");
+ emit_blame_entry_line_background(&sb, ent);
+ html("</pre></div>");
free(ent);
ent = e;
}
- html("</td>\n");
+ html("</div>");
free((void *)sb.final_buf);
+ /* Lines */
+ html("<pre><code>");
+ if (ctx.repo->source_filter) {
+ char *filter_arg = xstrdup(basename);
+ cgit_open_filter(ctx.repo->source_filter, filter_arg);
+ html_raw(buf, size);
+ cgit_close_filter(ctx.repo->source_filter);
+ free(filter_arg);
+ } else {
+ html_txt(buf);
+ }
+ html("</code></pre>");
+
+ html("</div></td>\n");
+
html("</tr>\n</table>\n");
cgit_print_layout_end();