[PATCH 1/3] diff: support custom callbacks for output
Users can request the DIFF_FORMAT_CALLBACK output format to get a callback
consisting of the whole diff_queue_struct.
---
diff.c | 3 +++
diff.h | 8 ++++++++
2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/diff.c b/diff.c
index 9dcbda3..a3ebc62 100644
--- a/diff.c
+++ b/diff.c
@@ -2587,6 +2587,9 @@ void diff_flush(struct diff_options *opt
}
}
+ if (output_format & DIFF_FORMAT_CALLBACK)
+ options->format_callback(q, options, options->format_callback_data);
+
for (i = 0; i < q->nr; i++)
diff_free_filepair(q->queue[i]);
free_queue:
diff --git a/diff.h b/diff.h
index b007240..b60a02e 100644
--- a/diff.h
+++ b/diff.h
@@ -8,6 +8,7 @@ #include "tree-walk.h"
struct rev_info;
struct diff_options;
+struct diff_queue_struct;
typedef void (*change_fn_t)(struct diff_options *options,
unsigned old_mode, unsigned new_mode,
@@ -20,6 +21,9 @@ typedef void (*add_remove_fn_t)(struct d
const unsigned char *sha1,
const char *base, const char *path);
+typedef void (*diff_format_fn_t)(struct diff_queue_struct *q,
+ struct diff_options *options, void *data);
+
#define DIFF_FORMAT_RAW 0x0001
#define DIFF_FORMAT_DIFFSTAT 0x0002
#define DIFF_FORMAT_SUMMARY 0x0004
@@ -35,6 +39,8 @@ #define DIFF_FORMAT_CHECKDIFF 0x0040
*/
#define DIFF_FORMAT_NO_OUTPUT 0x0080
+#define DIFF_FORMAT_CALLBACK 0x0100
+
struct diff_options {
const char *filter;
const char *orderfile;
@@ -68,6 +74,8 @@ struct diff_options {
int *pathlens;
change_fn_t change;
add_remove_fn_t add_remove;
+ diff_format_fn_t format_callback;
+ void *format_callback_data;
};
enum color_diff {
--
1.4.2.ge490e-dirty
Jeff King <peff@peff.net>