Make it possible for a single cmd to work both with and without a repo

[cgit.git] / ui-snapshot.c

diff --git a/ui-snapshot.c b/ui-snapshot.c
index 4d1aa886cc43d356b522e42b0e498d6c850b4ecd..966a14007414f35d0e04f862a593c93ba26421b5 100644 (file)
--- a/ui-snapshot.c
+++ b/ui-snapshot.c
@@ -7,6 +7,8 @@
  */
 
 #include "cgit.h"
+#include "html.h"
+#include "ui-shared.h"
 
 static int write_compressed_tar_archive(struct archiver_args *args,const char *filter)
 {
@@ -54,103 +56,59 @@ static int write_tar_bzip2_archive(struct archiver_args *args)
        return write_compressed_tar_archive(args,"bzip2");
 }
 
-static const struct snapshot_archive_t {
-       const char *suffix;
-       const char *mimetype;
-       write_archive_fn_t write_func;
-       int bit;
-}      snapshot_archives[] = {
+const struct cgit_snapshot_format cgit_snapshot_formats[] = {
        { ".zip", "application/x-zip", write_zip_archive, 0x1 },
        { ".tar.gz", "application/x-tar", write_tar_gzip_archive, 0x2 },
        { ".tar.bz2", "application/x-tar", write_tar_bzip2_archive, 0x4 },
-       { ".tar", "application/x-tar", write_tar_archive, 0x8 }
+       { ".tar", "application/x-tar", write_tar_archive, 0x8 },
+       {}
 };
 
-#define snapshot_archives_len (sizeof(snapshot_archives) / sizeof(*snapshot_archives))
-
-void cgit_print_snapshot(struct cacheitem *item, const char *head,
+static int make_snapshot(const struct cgit_snapshot_format *format,
                         const char *hex, const char *prefix,
-                        const char *filename, int snapshots)
+                        const char *filename)
 {
-       const struct snapshot_archive_t* sat;
        struct archiver_args args;
        struct commit *commit;
        unsigned char sha1[20];
-       int f, sl, fnl = strlen(filename);
 
-       for(f=0; f<snapshot_archives_len; f++) {
-               sat = &snapshot_archives[f];
-               if(!(snapshots & sat->bit))
-                       continue;
-               sl = strlen(sat->suffix);
-               if(fnl<sl || strcmp(&filename[fnl-sl],sat->suffix))
-                       continue;
-               if (!hex)
-                       hex = head;
-               if(get_sha1(hex, sha1)) {
-                       cgit_print_error(fmt("Bad object id: %s", hex));
-                       return;
-               }
-               commit = lookup_commit_reference(sha1);
-               if(!commit) {
-                       cgit_print_error(fmt("Not a commit reference: %s", hex));
-                       return;;
-               }
-               memset(&args,0,sizeof(args));
-               args.base = fmt("%s/", prefix);
-               args.tree = commit->tree;
-               args.time = commit->date;
-               cgit_print_snapshot_start(sat->mimetype, filename, item);
-               (*sat->write_func)(&args);
-               return;
+       if(get_sha1(hex, sha1)) {
+               cgit_print_error(fmt("Bad object id: %s", hex));
+               return 1;
        }
-       cgit_print_error(fmt("Unsupported snapshot format: %s", filename));
-}
-
-void cgit_print_snapshot_links(const char *repo, const char *head,
-                              const char *hex, int snapshots)
-{
-       const struct snapshot_archive_t* sat;
-       char *filename;
-       int f;
-
-       for(f=0; f<snapshot_archives_len; f++) {
-               sat = &snapshot_archives[f];
-               if(!(snapshots & sat->bit))
-                       continue;
-               filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
-                              sat->suffix);
-               cgit_snapshot_link(filename, NULL, NULL, (char *)head,
-                                  (char *)hex, filename);
-               html("<br/>");
+       commit = lookup_commit_reference(sha1);
+       if(!commit) {
+               cgit_print_error(fmt("Not a commit reference: %s", hex));
+               return 1;
        }
+       memset(&args, 0, sizeof(args));
+       args.base = fmt("%s/", prefix);
+       args.tree = commit->tree;
+       args.time = commit->date;
+       ctx.page.mimetype = xstrdup(format->mimetype);
+       ctx.page.filename = xstrdup(filename);
+       cgit_print_http_headers(&ctx);
+       format->write_func(&args);
+       return 0;
 }
 
-int cgit_parse_snapshots_mask(const char *str)
+void cgit_print_snapshot(const char *head, const char *hex, const char *prefix,
+                        const char *filename, int snapshots)
 {
-       const struct snapshot_archive_t* sat;
-       static const char *delim = " \t,:/|;";
-       int f, tl, rv = 0;
-
-       /* favor legacy setting */
-       if(atoi(str))
-               return 1;
-       for(;;) {
-               str += strspn(str,delim);
-               tl = strcspn(str,delim);
-               if(!tl)
-                       break;
-               for(f=0; f<snapshot_archives_len; f++) {
-                       sat = &snapshot_archives[f];
-                       if(!(strncmp(sat->suffix, str, tl) &&
-                            strncmp(sat->suffix+1, str, tl-1))) {
-                               rv |= sat->bit;
-                               break;
-                       }
-               }
-               str += tl;
+       const struct cgit_snapshot_format* f;
+       int sl, fnl;
+
+       fnl = strlen(filename);
+       if (!hex)
+               hex = head;
+       for (f = cgit_snapshot_formats; f->suffix; f++) {
+               if (!(snapshots & f->bit))
+                       continue;
+               sl = strlen(f->suffix);
+               if(fnl < sl || strcmp(&filename[fnl-sl], f->suffix))
+                       continue;
+               make_snapshot(f, hex, prefix, filename);
+               return;
        }
-       return rv;
+       cgit_print_error(fmt("Unsupported snapshot format: %s", filename));
 }
-
-/* vim:set sw=8: */