Add simple pager to log page

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

4 files changed, 37 insertions, 6 deletions

diff --git a/cgit.c b/cgit.c
index ada488b..d7e586d 100644
--- a/cgit.c
+++ b/cgit.c
@@ -29,7 +29,7 @@ static void cgit_print_repo_page(struct cacheitem *item)
         if (!cgit_query_page) {
                 cgit_print_summary();
         } else if (!strcmp(cgit_query_page, "log")) {
-                cgit_print_log(cgit_query_head, 0, 100);
+                cgit_print_log(cgit_query_head, cgit_query_ofs, 100);
         } else if (!strcmp(cgit_query_page, "tree")) {
                 cgit_print_tree(cgit_query_sha1);
         } else if (!strcmp(cgit_query_page, "view")) {
diff --git a/cgit.h b/cgit.h
index 2fdfab3..82e8681 100644
--- a/cgit.h
+++ b/cgit.h
@@ -44,6 +44,7 @@ extern char *cgit_query_repo;
 extern char *cgit_query_page;
 extern char *cgit_query_head;
 extern char *cgit_query_sha1;
+extern int   cgit_query_ofs;
 
 extern int htmlfd;
 
diff --git a/shared.c b/shared.c
index c58a2ff..6b5cfc2 100644
--- a/shared.c
+++ b/shared.c
@@ -28,6 +28,7 @@ char *cgit_query_repo   = NULL;
 char *cgit_query_page   = NULL;
 char *cgit_query_head   = NULL;
 char *cgit_query_sha1   = NULL;
+int   cgit_query_ofs    = 0;
 
 int htmlfd = 0;
 
@@ -59,16 +60,18 @@ void cgit_repo_config_cb(const char *name, const char *value)
 
 void cgit_querystring_cb(const char *name, const char *value)
 {
-        if (!strcmp(name,"r"))
+        if (!strcmp(name,"r")) {
                 cgit_query_repo = xstrdup(value);
-        else if (!strcmp(name, "p"))
+        } else if (!strcmp(name, "p")) {
                 cgit_query_page = xstrdup(value);
-        else if (!strcmp(name, "h")) {
+        } else if (!strcmp(name, "h")) {
                 cgit_query_head = xstrdup(value);
                 cgit_query_has_symref = 1;
         } else if (!strcmp(name, "id")) {
                 cgit_query_sha1 = xstrdup(value);
                 cgit_query_has_sha1 = 1;
+        } else if (!strcmp(name, "ofs")) {
+                cgit_query_ofs = atoi(value);
         }
 }
 
diff --git a/ui-log.c b/ui-log.c
index 4d2c2e0..dce50f7 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -95,7 +95,7 @@ void cgit_print_log(const char *tip, int ofs, int cnt)
         struct rev_info rev;
         struct commit *commit;
         const char *argv[2] = {NULL, tip};
-        int n = 0;
+        int i;
         
         init_revisions(&rev, NULL);
         rev.abbrev = DEFAULT_ABBREV;
@@ -108,7 +108,18 @@ void cgit_print_log(const char *tip, int ofs, int cnt)
         html("<h2>Log</h2>");
         html("<table class='list'>");
         html("<tr><th>Date</th><th>Message</th><th>Author</th><th>Link</th></tr>\n");
-        while ((commit = get_revision(&rev)) != NULL && n++ < 100) {
+
+        if (ofs<0)
+                ofs = 0;
+
+        for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
+                free(commit->buffer);
+                commit->buffer = NULL;
+                free_commit_list(commit->parents);
+                commit->parents = NULL;
+        }
+
+        for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
                 cgit_print_commit_shortlog(commit);
                 free(commit->buffer);
                 commit->buffer = NULL;
@@ -116,5 +127,21 @@ void cgit_print_log(const char *tip, int ofs, int cnt)
                 commit->parents = NULL;
         }
         html("</table>\n");
+
+        html("<div class='pager'>");
+        if (ofs > 0) {
+                html("&nbsp;<a href='");
+                html(cgit_pageurl(cgit_query_repo, cgit_query_page,
+                                  fmt("h=%s&ofs=%d", tip, ofs-cnt)));
+                html("'>[prev]</a>&nbsp;");
+        }
+
+        if ((commit = get_revision(&rev)) != NULL) {
+                html("&nbsp;<a href='");
+                html(cgit_pageurl(cgit_query_repo, "log",
+                                  fmt("h=%s&ofs=%d", tip, ofs+cnt)));
+                html("'>[next]</a>&nbsp;");
+        }
+        html("</div>");
 }