summaryrefslogtreecommitdiff
path: root/ui_70-tree.c
diff options
context:
space:
mode:
authorKatolaZ <katolaz@freaknet.org>2018-07-28 16:07:25 +0100
committerKatolaZ <katolaz@freaknet.org>2018-07-28 16:07:25 +0100
commit5870098c4b45c7dace76eadb93a49d0317edb456 (patch)
tree736522e774a5d633aa756b28a0873706c4c5e71e /ui_70-tree.c
parenteae408c064497a222cf6f5f89f2719d3ecdf18f0 (diff)
tree and file presentation
Diffstat (limited to 'ui_70-tree.c')
-rw-r--r--ui_70-tree.c328
1 files changed, 328 insertions, 0 deletions
diff --git a/ui_70-tree.c b/ui_70-tree.c
new file mode 100644
index 0000000..ecef53e
--- /dev/null
+++ b/ui_70-tree.c
@@ -0,0 +1,328 @@
+/* ui-tree.c: functions for tree output
+ *
+ * Copyright (C) 2006-2017 cgit Development Team <cgit@lists.zx2c4.com>
+ *
+ * Licensed under GNU General Public License v2
+ * (see COPYING for full license text)
+ */
+
+#include "cgit.h"
+#include "ui-tree.h"
+#include "html.h"
+#include "ui_70-shared.h"
+
+struct walk_tree_context {
+ char *curr_rev;
+ char *match_path;
+ int state;
+};
+
+static void print_text_buffer(const char *name, char *buf, unsigned long size)
+{
+ cgit_gopher_text(buf);
+}
+
+#define ROWLEN 32
+
+static void print_binary_buffer(char *buf, unsigned long size)
+{
+ unsigned long ofs, idx;
+ static char ascii[ROWLEN + 1];
+
+ html("<table summary='blob content' class='bin-blob'>\n");
+ html("<tr><th>ofs</th><th>hex dump</th><th>ascii</th></tr>");
+ for (ofs = 0; ofs < size; ofs += ROWLEN, buf += ROWLEN) {
+ htmlf("<tr><td class='right'>%04lx</td><td class='hex'>", ofs);
+ for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
+ htmlf("%*s%02x",
+ idx == 16 ? 4 : 1, "",
+ buf[idx] & 0xff);
+ html(" </td><td class='hex'>");
+ for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
+ ascii[idx] = isgraph(buf[idx]) ? buf[idx] : '.';
+ ascii[idx] = '\0';
+ html_txt(ascii);
+ html("</td></tr>\n");
+ }
+ html("</table>\n");
+}
+
+static void print_object(const struct object_id *oid, char *path, const char *basename, const char *rev)
+{
+ enum object_type type;
+ char *buf;
+ unsigned long size;
+
+ type = oid_object_info(the_repository, oid, &size);
+ if (type == OBJ_BAD) {
+ cgit_gopher_error("Bad object name");
+ return;
+ }
+
+ buf = read_object_file(oid, &type, &size);
+ if (!buf) {
+ cgit_gopher_error("Error reading object");
+ return;
+ }
+
+ cgit_set_title_from_path(path);
+
+ /*cgit_print_layout_start();*/
+
+ if (buffer_is_binary(buf, size))
+ print_binary_buffer(buf, size);
+ else
+ print_text_buffer(basename, buf, size);
+
+ free(buf);
+}
+
+struct single_tree_ctx {
+ struct strbuf *path;
+ struct object_id oid;
+ char *name;
+ size_t count;
+};
+
+static int single_tree_cb(const struct object_id *oid, struct strbuf *base,
+ const char *pathname, unsigned mode, int stage,
+ void *cbdata)
+{
+ struct single_tree_ctx *ctx = cbdata;
+
+ if (++ctx->count > 1)
+ return -1;
+
+ if (!S_ISDIR(mode)) {
+ ctx->count = 2;
+ return -1;
+ }
+
+ ctx->name = xstrdup(pathname);
+ oidcpy(&ctx->oid, oid);
+ strbuf_addf(ctx->path, "/%s", pathname);
+ return 0;
+}
+
+static void write_tree_link(const struct object_id *oid, char *name,
+ char *rev, struct strbuf *fullpath)
+{
+ size_t initial_length = fullpath->len;
+ struct tree *tree;
+ struct single_tree_ctx tree_ctx = {
+ .path = fullpath,
+ .count = 1,
+ };
+ struct pathspec paths = {
+ .nr = 0
+ };
+
+ oidcpy(&tree_ctx.oid, oid);
+
+ while (tree_ctx.count == 1) {
+ cgit_tree_link(name, NULL, "ls-dir", ctx.qry.head, rev,
+ fullpath->buf);
+
+ tree = lookup_tree(&tree_ctx.oid);
+ if (!tree)
+ return;
+
+ free(tree_ctx.name);
+ tree_ctx.name = NULL;
+ tree_ctx.count = 0;
+
+ read_tree_recursive(tree, "", 0, 1, &paths, single_tree_cb,
+ &tree_ctx);
+
+ if (tree_ctx.count != 1)
+ break;
+
+ html(" / ");
+ name = tree_ctx.name;
+ }
+
+ strbuf_setlen(fullpath, initial_length);
+}
+
+static int ls_item(const struct object_id *oid, struct strbuf *base,
+ const char *pathname, unsigned mode, int stage, void *cbdata)
+{
+ struct walk_tree_context *walk_tree_ctx = cbdata;
+ char *name;
+ struct strbuf fullpath = STRBUF_INIT;
+ struct strbuf class = STRBUF_INIT;
+ enum object_type type;
+ unsigned long size = 0;
+
+ name = xstrdup(pathname);
+ strbuf_addf(&fullpath, "%s%s%s", ctx.qry.path ? ctx.qry.path : "",
+ ctx.qry.path ? "/" : "", name);
+
+ if (!S_ISGITLINK(mode)) {
+ type = oid_object_info(the_repository, oid, &size);
+ if (type == OBJ_BAD) {
+ cgit_gopher_error("Bad object");
+ free(name);
+ return 0;
+ }
+ }
+
+ cgit_gopher_start_selector(GOPHER_TXT);
+ cgit_print_filemode(mode);
+ cgit_gopher_text(" ");
+ cgit_gopher_text_pad(name, GOPHER_SUMMARY_NAME_LEN);
+ gopherf("%10ld", size);
+ cgit_gopher_tab();
+
+ if (S_ISGITLINK(mode)) {
+ cgit_submodule_link("ls-mod", fullpath.buf, oid_to_hex(oid));
+ } else if (S_ISDIR(mode)) {
+ write_tree_link(oid, name, walk_tree_ctx->curr_rev,
+ &fullpath);
+ } else {
+ char *ext = strrchr(name, '.');
+ strbuf_addstr(&class, "ls-blob");
+ if (ext)
+ strbuf_addf(&class, " %s", ext + 1);
+ cgit_tree_link(name, NULL, class.buf, ctx.qry.head,
+ walk_tree_ctx->curr_rev, fullpath.buf);
+ }
+/* if (ctx.repo->max_stats)
+ cgit_stats_link("stats", NULL, "button", ctx.qry.head,
+ fullpath.buf);
+ if (!S_ISGITLINK(mode))
+ cgit_plain_link("plain", NULL, "button", ctx.qry.head,
+ walk_tree_ctx->curr_rev, fullpath.buf);
+ if (!S_ISDIR(mode) && ctx.cfg.enable_blame)
+ cgit_blame_link("blame", NULL, "button", ctx.qry.head,
+ walk_tree_ctx->curr_rev, fullpath.buf);
+*/
+ cgit_gopher_tab();
+ cgit_gopher_end_selector();
+ free(name);
+ strbuf_release(&fullpath);
+ strbuf_release(&class);
+ return 0;
+}
+
+static void ls_head(void)
+{
+ cgit_print_layout_start();
+ cgit_gopher_start_selector(GOPHER_INFO);
+ cgit_gopher_text_pad("Mode", GOPHER_SUMMARY_MODE_LEN);
+ cgit_gopher_text_pad("Name", GOPHER_SUMMARY_NAME_LEN);
+ cgit_gopher_text_pad("Size", GOPHER_SUMMARY_AGE_LEN);
+ cgit_gopher_tab();
+ cgit_gopher_selector_link("Err");
+ cgit_gopher_end_selector();
+}
+
+static void ls_tail(void)
+{
+/* html("</table>\n");
+ cgit_print_layout_end();
+*/
+}
+
+static void ls_tree(const struct object_id *oid, char *path, struct walk_tree_context *walk_tree_ctx)
+{
+ struct tree *tree;
+ struct pathspec paths = {
+ .nr = 0
+ };
+
+ tree = parse_tree_indirect(oid);
+ if (!tree) {
+ cgit_gopher_error("Not a tree object");
+ return;
+ }
+
+ ls_head();
+ read_tree_recursive(tree, "", 0, 1, &paths, ls_item, walk_tree_ctx);
+ ls_tail();
+}
+
+
+static int walk_tree(const struct object_id *oid, struct strbuf *base,
+ const char *pathname, unsigned mode, int stage, void *cbdata)
+{
+ struct walk_tree_context *walk_tree_ctx = cbdata;
+
+ if (walk_tree_ctx->state == 0) {
+ struct strbuf buffer = STRBUF_INIT;
+
+ strbuf_addbuf(&buffer, base);
+ strbuf_addstr(&buffer, pathname);
+ if (strcmp(walk_tree_ctx->match_path, buffer.buf))
+ return READ_TREE_RECURSIVE;
+
+ if (S_ISDIR(mode)) {
+ walk_tree_ctx->state = 1;
+ cgit_set_title_from_path(buffer.buf);
+ strbuf_release(&buffer);
+ ls_head();
+ return READ_TREE_RECURSIVE;
+ } else {
+ walk_tree_ctx->state = 2;
+ print_object(oid, buffer.buf, pathname, walk_tree_ctx->curr_rev);
+ strbuf_release(&buffer);
+ return 0;
+ }
+ }
+ ls_item(oid, base, pathname, mode, stage, walk_tree_ctx);
+ return 0;
+}
+
+/*
+ * Show a tree or a blob
+ * rev: the commit pointing at the root tree object
+ * path: path to tree or blob
+ */
+void cgit_print_tree(const char *rev, char *path)
+{
+ struct object_id oid;
+ struct commit *commit;
+ struct pathspec_item path_items = {
+ .match = path,
+ .len = path ? strlen(path) : 0
+ };
+ struct pathspec paths = {
+ .nr = path ? 1 : 0,
+ .items = &path_items
+ };
+ struct walk_tree_context walk_tree_ctx = {
+ .match_path = path,
+ .state = 0
+ };
+
+ if (!rev)
+ rev = ctx.qry.head;
+
+ if (get_oid(rev, &oid)) {
+ cgit_gopher_error("Invalid revision name");
+ return;
+ }
+ commit = lookup_commit_reference(&oid);
+ if (!commit || parse_commit(commit)) {
+ cgit_gopher_error("Invalid commit reference");
+ return;
+ }
+
+ walk_tree_ctx.curr_rev = xstrdup(rev);
+
+ if (path == NULL) {
+ ls_tree(&commit->maybe_tree->object.oid, NULL, &walk_tree_ctx);
+ goto cleanup;
+ }
+
+ read_tree_recursive(commit->maybe_tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
+ if (walk_tree_ctx.state == 1)
+ ls_tail();
+ else if (walk_tree_ctx.state == 2)
+ ;
+ else
+ cgit_print_error_page(404, "Not found", "Path not found");
+
+cleanup:
+ free(walk_tree_ctx.curr_rev);
+}