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authorLars Hjemli <hjemli@gmail.com>2008-03-24 01:09:39 +0100
committerLars Hjemli <hjemli@gmail.com>2008-03-24 01:43:48 +0100
commite0e4478e7b4812f822d60a13a33525f8e529e1e8 (patch)
tree577c3927deb9b122f940b69ca7db66afe2422814 /cgit.c
parentb608e88adb6f77328288afb6dd0eddf674fc9b5b (diff)
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 <hjemli@gmail.com>
Diffstat (limited to 'cgit.c')
-rw-r--r--cgit.c130
1 files changed, 50 insertions, 80 deletions
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");