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-rw-r--r--ui-diff.c88
1 files changed, 2 insertions, 86 deletions
diff --git a/ui-diff.c b/ui-diff.c
index 0ad9faf..96106af 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -1,129 +1,45 @@
/* ui-diff.c: show diff between two blobs
*
* Copyright (C) 2006 Lars Hjemli
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
#include "cgit.h"
-char *diff_buffer;
-int diff_buffer_size;
-
/*
* print a single line returned from xdiff
*/
static void print_line(char *line, int len)
{
char *class = "ctx";
char c = line[len-1];
if (line[0] == '+')
class = "add";
else if (line[0] == '-')
class = "del";
else if (line[0] == '@')
class = "hunk";
htmlf("<div class='%s'>", class);
line[len-1] = '\0';
html_txt(line);
html("</div>");
line[len-1] = c;
}
-/*
- * Receive diff-buffers from xdiff and concatenate them as
- * needed across multiple callbacks.
- *
- * This is basically a copy of xdiff-interface.c/xdiff_outf(),
- * ripped from git and modified to use globals instead of
- * a special callback-struct.
- */
-int diff_cb(void *priv_, mmbuffer_t *mb, int nbuf)
-{
- int i;
-
- for (i = 0; i < nbuf; i++) {
- if (mb[i].ptr[mb[i].size-1] != '\n') {
- /* Incomplete line */
- diff_buffer = xrealloc(diff_buffer,
- diff_buffer_size + mb[i].size);
- memcpy(diff_buffer + diff_buffer_size,
- mb[i].ptr, mb[i].size);
- diff_buffer_size += mb[i].size;
- continue;
- }
-
- /* we have a complete line */
- if (!diff_buffer) {
- print_line(mb[i].ptr, mb[i].size);
- continue;
- }
- diff_buffer = xrealloc(diff_buffer,
- diff_buffer_size + mb[i].size);
- memcpy(diff_buffer + diff_buffer_size, mb[i].ptr, mb[i].size);
- print_line(diff_buffer, diff_buffer_size + mb[i].size);
- free(diff_buffer);
- diff_buffer = NULL;
- diff_buffer_size = 0;
- }
- if (diff_buffer) {
- print_line(diff_buffer, diff_buffer_size);
- free(diff_buffer);
- diff_buffer = NULL;
- diff_buffer_size = 0;
- }
- return 0;
-}
-
-static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
-{
- enum object_type type;
-
- if (is_null_sha1(sha1)) {
- file->ptr = (char *)"";
- file->size = 0;
- } else {
- file->ptr = read_sha1_file(sha1, &type, &file->size);
- }
- return 1;
-}
-
-static void run_diff(const unsigned char *sha1, const unsigned char *sha2)
-{
- mmfile_t file1, file2;
- xpparam_t diff_params;
- xdemitconf_t emit_params;
- xdemitcb_t emit_cb;
-
- if (!load_mmfile(&file1, sha1) || !load_mmfile(&file2, sha2)) {
- cgit_print_error("Unable to load files for diff");
- return;
- }
-
- diff_params.flags = XDF_NEED_MINIMAL;
-
- emit_params.ctxlen = 3;
- emit_params.flags = XDL_EMIT_FUNCNAMES;
-
- emit_cb.outf = diff_cb;
-
- xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb);
-}
-
-
-
void cgit_print_diff(const char *old_hex, const char *new_hex)
{
unsigned char sha1[20], sha2[20];
get_sha1(old_hex, sha1);
get_sha1(new_hex, sha2);
html("<table class='diff'><tr><td>");
- run_diff(sha1, sha2);
+ if (cgit_diff_files(sha1, sha2, print_line))
+ cgit_print_error("Error running diff");
html("</td></tr></table>");
}