1 files changed, 71 insertions, 13 deletions

diff --git a/ui-diff.c b/ui-diff.c
index 2196745..7ff7e46 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -11,2 +11,3 @@
 #include "ui-shared.h"
+#include "ui-ssdiff.h"
 
@@ -34,2 +35,3 @@ static struct fileinfo {
 
+static int use_ssdiff = 0;
 
@@ -85,3 +87,3 @@ static void print_fileinfo(struct fileinfo *info)
         cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, ctx.qry.sha1,
-                       ctx.qry.sha2, info->new_path);
+                       ctx.qry.sha2, info->new_path, 0);
         if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED)
@@ -92,3 +94,3 @@ static void print_fileinfo(struct fileinfo *info)
         if (info->binary) {
-                htmlf("bin</td><td class='graph'>%d -> %d bytes",
+                htmlf("bin</td><td class='graph'>%ld -> %ld bytes",
                       info->old_size, info->new_size);
@@ -127,3 +129,3 @@ static void inspect_filepair(struct diff_filepair *pair)
         cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, &new_size,
-                        &binary, count_diff_lines);
+                        &binary, 0, ctx.qry.ignorews, count_diff_lines);
         if (files >= slots) {
@@ -154,5 +156,5 @@ static void inspect_filepair(struct diff_filepair *pair)
 void cgit_print_diffstat(const unsigned char *old_sha1,
-                         const unsigned char *new_sha1)
+                         const unsigned char *new_sha1, const char *prefix)
 {
-        int i;
+        int i, save_context = ctx.qry.context;
 
@@ -160,3 +162,18 @@ void cgit_print_diffstat(const unsigned char *old_sha1,
         cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.sha1,
-                       ctx.qry.sha2, NULL);
+                       ctx.qry.sha2, NULL, 0);
+        if (prefix)
+                htmlf(" (limited to '%s')", prefix);
+        html(" (");
+        ctx.qry.context = (save_context > 0 ? save_context : 3) << 1;
+        cgit_self_link("more", NULL, NULL, &ctx);
+        html("/");
+        ctx.qry.context = (save_context > 3 ? save_context : 3) >> 1;
+        cgit_self_link("less", NULL, NULL, &ctx);
+        ctx.qry.context = save_context;
+        html(" context)");
+        html(" (");
+        ctx.qry.ignorews = (ctx.qry.ignorews + 1) % 2;
+        cgit_self_link(ctx.qry.ignorews ? "ignore" : "show", NULL, NULL, &ctx);
+        ctx.qry.ignorews = (ctx.qry.ignorews + 1) % 2;
+        html(" whitespace changes)");
         html("</div>");
@@ -164,3 +181,4 @@ void cgit_print_diffstat(const unsigned char *old_sha1,
         max_changes = 0;
-        cgit_diff_tree(old_sha1, new_sha1, inspect_filepair, NULL);
+        cgit_diff_tree(old_sha1, new_sha1, inspect_filepair, prefix,
+                       ctx.qry.ignorews);
         for(i = 0; i<files; i++)
@@ -248,2 +266,15 @@ static void header(unsigned char *sha1, char *path1, int mode1,
 
+static void print_ssdiff_link()
+{
+        if (!strcmp(ctx.qry.page, "diff")) {
+                if (use_ssdiff)
+                        cgit_diff_link("Unidiff", NULL, NULL, ctx.qry.head,
+                                       ctx.qry.sha1, ctx.qry.sha2, ctx.qry.path, 1);
+                else
+                        cgit_diff_link("Side-by-side diff", NULL, NULL,
+                                       ctx.qry.head, ctx.qry.sha1,
+                                       ctx.qry.sha2, ctx.qry.path, 1);
+        }
+}
+
 static void filepair_cb(struct diff_filepair *pair)
@@ -253,10 +284,19 @@ static void filepair_cb(struct diff_filepair *pair)
         int binary = 0;
+        linediff_fn print_line_fn = print_line;
 
+        if (use_ssdiff) {
+                cgit_ssdiff_header_begin();
+                print_line_fn = cgit_ssdiff_line_cb;
+        }
         header(pair->one->sha1, pair->one->path, pair->one->mode,
                pair->two->sha1, pair->two->path, pair->two->mode);
+        if (use_ssdiff)
+                cgit_ssdiff_header_end();
         if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) {
                 if (S_ISGITLINK(pair->one->mode))
-                        print_line(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52);
+                        print_line_fn(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52);
                 if (S_ISGITLINK(pair->two->mode))
-                        print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52);
+                        print_line_fn(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52);
+                if (use_ssdiff)
+                        cgit_ssdiff_footer();
                 return;
@@ -264,7 +304,14 @@ static void filepair_cb(struct diff_filepair *pair)
         if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, 
-                            &new_size, &binary, print_line))
+                            &new_size, &binary, ctx.qry.context,
+                            ctx.qry.ignorews, print_line_fn))
                 cgit_print_error("Error running diff");
-        if (binary)
+        if (binary) {
+                if (use_ssdiff)
+                        html("<tr><td colspan='4'>Binary files differ</td></tr>");
+                else
                 html("Binary files differ");
 }
+        if (use_ssdiff)
+                cgit_ssdiff_footer();
+}
 
@@ -305,7 +352,18 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi
         }
-        cgit_print_diffstat(old_rev_sha1, new_rev_sha1);
 
+        if ((ctx.qry.ssdiff && !ctx.cfg.ssdiff) || (!ctx.qry.ssdiff && ctx.cfg.ssdiff))
+                use_ssdiff = 1;
+
+        print_ssdiff_link();
+        cgit_print_diffstat(old_rev_sha1, new_rev_sha1, prefix);
+
+        if (use_ssdiff) {
+                html("<table summary='ssdiff' class='ssdiff'>");
+        } else {
         html("<table summary='diff' class='diff'>");
         html("<tr><td>");
-        cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix);
+        }
+        cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix,
+                       ctx.qry.ignorews);
+        if (!use_ssdiff)
         html("</td></tr>");