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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 <[email protected]> Reviewed-by: John Keeping <[email protected]>
Jeff Smith 2018-01-19
parent aafc42d · commit dbaee26
-rw-r--r--cgit.css10
-rwxr-xr-xfilters/syntax-highlighting.py2
-rw-r--r--ui-blame.c63
3 files changed, 62 insertions, 13 deletions
diff --git a/cgit.css b/cgit.css
index 20b7e869..217a05a5 100644
--- a/cgit.css
+++ b/cgit.css
@@ -353,6 +353,16 @@ div#cgit table.blame div.alt:nth-child(odd) {
background: white;
}
+div#cgit table.blame td.lines > div {
+ position: relative;
+}
+
+div#cgit table.blame td.lines > div > pre {
+ padding: 0 0 0 0.5em;
+ position: absolute;
+ top: 0;
+}
+
div#cgit table.bin-blob {
margin-top: 0.5em;
border: solid 1px black;
diff --git a/filters/syntax-highlighting.py b/filters/syntax-highlighting.py
index 5888b507..e912594c 100755
--- a/filters/syntax-highlighting.py
+++ b/filters/syntax-highlighting.py
@@ -34,7 +34,7 @@ sys.stdin = io.TextIOWrapper(sys.stdin.buffer, encoding='utf-8', errors='replace
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8', errors='replace')
data = sys.stdin.read()
filename = sys.argv[1]
-formatter = HtmlFormatter(style='pastie')
+formatter = HtmlFormatter(style='pastie', nobackground=True)
try:
lexer = guess_lexer_for_filename(filename, data)
diff --git a/ui-blame.c b/ui-blame.c
index d565fffa..17e2d60d 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();