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diff --git a/ui-diff.c b/ui-diff.c index 0bd9ade..b6486f1 100644 --- a/ ui-diff.c+++ b/ ui-diff.c |
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@@ -31,101 +31,100 @@ static void print_line(char *line, int len) |
31 | htmlf("<div class='%s'>", class); |
31 | htmlf("<div class='%s'>", class); |
32 | line[len-1] = '\0'; |
32 | line[len-1] = '\0'; |
33 | html_txt(line); |
33 | html_txt(line); |
34 | html("</div>"); |
34 | html("</div>"); |
35 | line[len-1] = c; |
35 | line[len-1] = c; |
36 | } |
36 | } |
37 | |
37 | |
38 | /* |
38 | /* |
39 | * Receive diff-buffers from xdiff and concatenate them as |
39 | * Receive diff-buffers from xdiff and concatenate them as |
40 | * needed across multiple callbacks. |
40 | * needed across multiple callbacks. |
41 | * |
41 | * |
42 | * This is basically a copy of xdiff-interface.c/xdiff_outf(), |
42 | * This is basically a copy of xdiff-interface.c/xdiff_outf(), |
43 | * ripped from git and modified to use globals instead of |
43 | * ripped from git and modified to use globals instead of |
44 | * a special callback-struct. |
44 | * a special callback-struct. |
45 | */ |
45 | */ |
46 | int diff_cb(void *priv_, mmbuffer_t *mb, int nbuf) |
46 | int diff_cb(void *priv_, mmbuffer_t *mb, int nbuf) |
47 | { |
47 | { |
48 | int i; |
48 | int i; |
49 | |
49 | |
50 | for (i = 0; i < nbuf; i++) { |
50 | for (i = 0; i < nbuf; i++) { |
51 | if (mb[i].ptr[mb[i].size-1] != '\n') { |
51 | if (mb[i].ptr[mb[i].size-1] != '\n') { |
52 | /* Incomplete line */ |
52 | /* Incomplete line */ |
53 | diff_buffer = xrealloc(diff_buffer, |
53 | diff_buffer = xrealloc(diff_buffer, |
54 | diff_buffer_size + mb[i].size); |
54 | diff_buffer_size + mb[i].size); |
55 | memcpy(diff_buffer + diff_buffer_size, |
55 | memcpy(diff_buffer + diff_buffer_size, |
56 | mb[i].ptr, mb[i].size); |
56 | mb[i].ptr, mb[i].size); |
57 | diff_buffer_size += mb[i].size; |
57 | diff_buffer_size += mb[i].size; |
58 | continue; |
58 | continue; |
59 | } |
59 | } |
60 | |
60 | |
61 | /* we have a complete line */ |
61 | /* we have a complete line */ |
62 | if (!diff_buffer) { |
62 | if (!diff_buffer) { |
63 | print_line(mb[i].ptr, mb[i].size); |
63 | print_line(mb[i].ptr, mb[i].size); |
64 | continue; |
64 | continue; |
65 | } |
65 | } |
66 | diff_buffer = xrealloc(diff_buffer, |
66 | diff_buffer = xrealloc(diff_buffer, |
67 | diff_buffer_size + mb[i].size); |
67 | diff_buffer_size + mb[i].size); |
68 | memcpy(diff_buffer + diff_buffer_size, mb[i].ptr, mb[i].size); |
68 | memcpy(diff_buffer + diff_buffer_size, mb[i].ptr, mb[i].size); |
69 | print_line(diff_buffer, diff_buffer_size + mb[i].size); |
69 | print_line(diff_buffer, diff_buffer_size + mb[i].size); |
70 | free(diff_buffer); |
70 | free(diff_buffer); |
71 | diff_buffer = NULL; |
71 | diff_buffer = NULL; |
72 | diff_buffer_size = 0; |
72 | diff_buffer_size = 0; |
73 | } |
73 | } |
74 | if (diff_buffer) { |
74 | if (diff_buffer) { |
75 | print_line(diff_buffer, diff_buffer_size); |
75 | print_line(diff_buffer, diff_buffer_size); |
76 | free(diff_buffer); |
76 | free(diff_buffer); |
77 | diff_buffer = NULL; |
77 | diff_buffer = NULL; |
78 | diff_buffer_size = 0; |
78 | diff_buffer_size = 0; |
79 | } |
79 | } |
80 | return 0; |
80 | return 0; |
81 | } |
81 | } |
82 | |
82 | |
83 | static int load_mmfile(mmfile_t *file, const unsigned char *sha1) |
83 | static int load_mmfile(mmfile_t *file, const unsigned char *sha1) |
84 | { |
84 | { |
85 | char type[20]; |
85 | char type[20]; |
86 | |
86 | |
87 | if (is_null_sha1(sha1)) { |
87 | if (is_null_sha1(sha1)) { |
88 | file->ptr = (char *)""; |
88 | file->ptr = (char *)""; |
89 | file->size = 0; |
89 | file->size = 0; |
90 | } else { |
90 | } else { |
91 | file->ptr = read_sha1_file(sha1, type, &file->size); |
91 | file->ptr = read_sha1_file(sha1, type, &file->size); |
92 | } |
92 | } |
93 | return 1; |
93 | return 1; |
94 | } |
94 | } |
95 | |
95 | |
96 | static void run_diff(const unsigned char *sha1, const unsigned char *sha2) |
96 | static void run_diff(const unsigned char *sha1, const unsigned char *sha2) |
97 | { |
97 | { |
98 | mmfile_t file1, file2; |
98 | mmfile_t file1, file2; |
99 | xpparam_t diff_params; |
99 | xpparam_t diff_params; |
100 | xdemitconf_t emit_params; |
100 | xdemitconf_t emit_params; |
101 | xdemitcb_t emit_cb; |
101 | xdemitcb_t emit_cb; |
102 | |
102 | |
103 | if (!load_mmfile(&file1, sha1) || !load_mmfile(&file2, sha2)) { |
103 | if (!load_mmfile(&file1, sha1) || !load_mmfile(&file2, sha2)) { |
104 | cgit_print_error("Unable to load files for diff"); |
104 | cgit_print_error("Unable to load files for diff"); |
105 | return; |
105 | return; |
106 | } |
106 | } |
107 | |
107 | |
108 | diff_params.flags = XDF_NEED_MINIMAL; |
108 | diff_params.flags = XDF_NEED_MINIMAL; |
109 | |
109 | |
110 | emit_params.ctxlen = 3; |
110 | emit_params.ctxlen = 3; |
111 | emit_params.flags = XDL_EMIT_FUNCNAMES; |
111 | emit_params.flags = XDL_EMIT_FUNCNAMES; |
112 | |
112 | |
113 | emit_cb.outf = diff_cb; |
113 | emit_cb.outf = diff_cb; |
114 | |
114 | |
115 | xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb); |
115 | xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb); |
116 | } |
116 | } |
117 | |
117 | |
118 | |
118 | |
119 | |
119 | |
120 | void cgit_print_diff(const char *old_hex, const char *new_hex) |
120 | void cgit_print_diff(const char *old_hex, const char *new_hex) |
121 | { |
121 | { |
122 | unsigned char sha1[20], sha2[20]; |
122 | unsigned char sha1[20], sha2[20]; |
123 | |
123 | |
124 | get_sha1(old_hex, sha1); |
124 | get_sha1(old_hex, sha1); |
125 | get_sha1(new_hex, sha2); |
125 | get_sha1(new_hex, sha2); |
126 | |
126 | |
127 | html("<h2>diff</h2>\n"); |
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128 | html("<table class='diff'><tr><td>"); |
127 | html("<table class='diff'><tr><td>"); |
129 | run_diff(sha1, sha2); |
128 | run_diff(sha1, sha2); |
130 | html("</td></tr></table>"); |
129 | html("</td></tr></table>"); |
131 | } |
130 | } |
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