From e0e4478e7b4812f822d60a13a33525f8e529e1e8 Mon Sep 17 00:00:00 2001 From: Lars Hjemli Date: Mon, 24 Mar 2008 01:09:39 +0100 Subject: Add command dispatcher This simplifies the code in cgit.c and makes it easier to extend cgit with new pages/commands. Signed-off-by: Lars Hjemli --- cgit.c | 130 +++++++++++++++++++++++++---------------------------------------- 1 file changed, 50 insertions(+), 80 deletions(-) (limited to 'cgit.c') diff --git a/cgit.c b/cgit.c index a83f0be..79e0e43 100644 --- 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"); -- cgit v1.2.3-59-g8ed1b