Add command dispatcher

[cgit.git] / cgit.c

diff --git a/cgit.c b/cgit.c
index a83f0bec60c073c254042088b87ae863cc3b5b8b..79e0e430db79691e1735dbeb2cf4d7400b7e5bc0 100644 (file)
--- a/cgit.c
+++ b/cgit.c
@@ -81,111 +81,84 @@ char *find_default_branch(struct cgit_repo *repo)
                return info.first_ref;
 }
 
-static void cgit_print_repo_page()
+static int prepare_repo_cmd(struct cgit_context *ctx)
 {
        char *tmp;
-       int show_search;
        unsigned char sha1[20];
        int nongit = 0;
 
-       setenv("GIT_DIR", ctx.repo->path, 1);
+       setenv("GIT_DIR", ctx->repo->path, 1);
        setup_git_directory_gently(&nongit);
        if (nongit) {
-               ctx.page.title = fmt("%s - %s", ctx.cfg.root_title,
-                                    "config error");
-               tmp = fmt("Not a git repository: '%s'", ctx.repo->path);
-               ctx.repo = NULL;
-               cgit_print_http_headers(&ctx);
-               cgit_print_docstart(&ctx);
-               cgit_print_pageheader(&ctx);
+               ctx->page.title = fmt("%s - %s", ctx->cfg.root_title,
+                                     "config error");
+               tmp = fmt("Not a git repository: '%s'", ctx->repo->path);
+               ctx->repo = NULL;
+               cgit_print_http_headers(ctx);
+               cgit_print_docstart(ctx);
+               cgit_print_pageheader(ctx);
                cgit_print_error(tmp);
                cgit_print_docend();
-               return;
+               return 1;
        }
+       ctx->page.title = fmt("%s - %s", ctx->repo->name, ctx->repo->desc);
 
-       ctx.page.title = fmt("%s - %s", ctx.repo->name, ctx.repo->desc);
-       show_search = 0;
-
-       if (!ctx.qry.head) {
-               ctx.qry.head = xstrdup(find_default_branch(ctx.repo));
-               ctx.repo->defbranch = ctx.qry.head;
+       if (!ctx->qry.head) {
+               ctx->qry.head = xstrdup(find_default_branch(ctx->repo));
+               ctx->repo->defbranch = ctx->qry.head;
        }
 
-       if (!ctx.qry.head) {
-               cgit_print_http_headers(&ctx);
-               cgit_print_docstart(&ctx);
-               cgit_print_pageheader(&ctx);
+       if (!ctx->qry.head) {
+               cgit_print_http_headers(ctx);
+               cgit_print_docstart(ctx);
+               cgit_print_pageheader(ctx);
                cgit_print_error("Repository seems to be empty");
                cgit_print_docend();
-               return;
+               return 1;
        }
 
-       if (get_sha1(ctx.qry.head, sha1)) {
-               tmp = xstrdup(ctx.qry.head);
-               ctx.qry.head = ctx.repo->defbranch;
-               cgit_print_http_headers(&ctx);
-               cgit_print_docstart(&ctx);
-               cgit_print_pageheader(&ctx);
+       if (get_sha1(ctx->qry.head, sha1)) {
+               tmp = xstrdup(ctx->qry.head);
+               ctx->qry.head = ctx->repo->defbranch;
+               cgit_print_http_headers(ctx);
+               cgit_print_docstart(ctx);
+               cgit_print_pageheader(ctx);
                cgit_print_error(fmt("Invalid branch: %s", tmp));
                cgit_print_docend();
-               return;
+               return 1;
        }
+       return 0;
+}
 
-       if ((cgit_cmd == CMD_SNAPSHOT) && ctx.repo->snapshots) {
-               cgit_print_snapshot(ctx.qry.head, ctx.qry.sha1,
-                                   cgit_repobasename(ctx.repo->url),
-                                   ctx.qry.path,
-                                   ctx.repo->snapshots );
+static void process_request(struct cgit_context *ctx)
+{
+       struct cgit_cmd *cmd;
+
+       cmd = cgit_get_cmd(ctx);
+       if (!cmd) {
+               ctx->page.title = "cgit error";
+               ctx->repo = NULL;
+               cgit_print_http_headers(ctx);
+               cgit_print_docstart(ctx);
+               cgit_print_pageheader(ctx);
+               cgit_print_error("Invalid request");
+               cgit_print_docend();
                return;
        }
 
-       if (cgit_cmd == CMD_PATCH) {
-               cgit_print_patch(ctx.qry.sha1);
+       if (cmd->want_repo && prepare_repo_cmd(ctx))
                return;
-       }
 
-       if (cgit_cmd == CMD_BLOB) {
-               cgit_print_blob(ctx.qry.sha1, ctx.qry.path);
-               return;
+       if (cmd->want_layout) {
+               cgit_print_http_headers(ctx);
+               cgit_print_docstart(ctx);
+               cgit_print_pageheader(ctx);
        }
 
-       show_search = (cgit_cmd == CMD_LOG);
-       cgit_print_http_headers(&ctx);
-       cgit_print_docstart(&ctx);
-       if (!cgit_cmd) {
-               cgit_print_pageheader(&ctx);
-               cgit_print_summary();
-               cgit_print_docend();
-               return;
-       }
+       cmd->fn(ctx);
 
-       cgit_print_pageheader(&ctx);
-
-       switch(cgit_cmd) {
-       case CMD_LOG:
-               cgit_print_log(ctx.qry.sha1, ctx.qry.ofs,
-                              ctx.cfg.max_commit_count, ctx.qry.grep, ctx.qry.search,
-                              ctx.qry.path, 1);
-               break;
-       case CMD_TREE:
-               cgit_print_tree(ctx.qry.sha1, ctx.qry.path);
-               break;
-       case CMD_COMMIT:
-               cgit_print_commit(ctx.qry.sha1);
-               break;
-       case CMD_REFS:
-               cgit_print_refs();
-               break;
-       case CMD_TAG:
-               cgit_print_tag(ctx.qry.sha1);
-               break;
-       case CMD_DIFF:
-               cgit_print_diff(ctx.qry.sha1, ctx.qry.sha2, ctx.qry.path);
-               break;
-       default:
-               cgit_print_error("Invalid request");
-       }
-       cgit_print_docend();
+       if (cmd->want_layout)
+               cgit_print_docend();
 }
 
 static long ttl_seconds(long ttl)
@@ -209,10 +182,7 @@ static void cgit_fill_cache(struct cacheitem *item, int use_cache)
 
        ctx.page.modified = time(NULL);
        ctx.page.expires = ctx.page.modified + ttl_seconds(item->ttl);
-       if (ctx.repo)
-               cgit_print_repo_page();
-       else
-               cgit_print_repolist();
+       process_request(&ctx);
 
        if (use_cache) {
                chk_zero(close(STDOUT_FILENO), "Close redirected STDOUT");