/* ui-tree.c: functions for tree output
*
- * Copyright (C) 2006 Lars Hjemli
+ * 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-shared.h"
-char *curr_rev;
+struct walk_tree_context {
+ char *curr_rev;
+ char *match_path;
+ int state;
+};
-static int print_entry(const unsigned char *sha1, const char *base,
- int baselen, const char *pathname, unsigned int mode,
- int stage)
+static void print_text_buffer(const char *name, char *buf, unsigned long size)
{
+ unsigned long lineno, idx;
+ const char *numberfmt = "<a id='n%1$d' href='#n%1$d'>%1$d</a>\n";
+
+ html("<table summary='blob content' class='blob'>\n");
+
+ if (ctx.cfg.enable_tree_linenumbers) {
+ html("<tr><td class='linenumbers'><pre>");
+ idx = 0;
+ lineno = 0;
+
+ if (size) {
+ htmlf(numberfmt, ++lineno);
+ while (idx < size - 1) { // skip absolute last newline
+ if (buf[idx] == '\n')
+ htmlf(numberfmt, ++lineno);
+ idx++;
+ }
+ }
+ html("</pre></td>\n");
+ }
+ else {
+ html("<tr>\n");
+ }
+
+ if (ctx.repo->source_filter) {
+ char *filter_arg = xstrdup(name);
+ html("<td class='lines'><pre><code>");
+ cgit_open_filter(ctx.repo->source_filter, filter_arg);
+ html_raw(buf, size);
+ cgit_close_filter(ctx.repo->source_filter);
+ free(filter_arg);
+ html("</code></pre></td></tr></table>\n");
+ return;
+ }
+
+ html("<td class='lines'><pre><code>");
+ html_txt(buf);
+ html("</code></pre></td></tr></table>\n");
+}
+
+#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 unsigned char *sha1, char *path, const char *basename, const char *rev)
+{
+ enum object_type type;
+ char *buf;
+ unsigned long size;
+
+ type = sha1_object_info(sha1, &size);
+ if (type == OBJ_BAD) {
+ cgit_print_error_page(404, "Not found",
+ "Bad object name: %s", sha1_to_hex(sha1));
+ return;
+ }
+
+ buf = read_sha1_file(sha1, &type, &size);
+ if (!buf) {
+ cgit_print_error_page(500, "Internal server error",
+ "Error reading object %s", sha1_to_hex(sha1));
+ return;
+ }
+
+ cgit_set_title_from_path(path);
+
+ cgit_print_layout_start();
+ htmlf("blob: %s (", sha1_to_hex(sha1));
+ cgit_plain_link("plain", NULL, NULL, ctx.qry.head,
+ rev, path);
+ if (ctx.cfg.enable_blame) {
+ html(") (");
+ cgit_blame_link("blame", NULL, NULL, ctx.qry.head,
+ rev, path);
+ }
+ html(")\n");
+
+ if (ctx.cfg.max_blob_size && size / 1024 > ctx.cfg.max_blob_size) {
+ htmlf("<div class='error'>blob size (%ldKB) exceeds display size limit (%dKB).</div>",
+ size / 1024, ctx.cfg.max_blob_size);
+ return;
+ }
+
+ 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 unsigned char *sha1, 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);
+ hashcpy(ctx->oid.hash, sha1);
+ strbuf_addf(ctx->path, "/%s", pathname);
+ return 0;
+}
+
+static void write_tree_link(const unsigned char *sha1, 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
+ };
+
+ hashcpy(tree_ctx.oid.hash, sha1);
+
+ 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 unsigned char *sha1, 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);
- type = sha1_object_info(sha1, &size);
- if (type == OBJ_BAD && !S_ISDIRLNK(mode)) {
- htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>",
- name,
- sha1_to_hex(sha1));
- return 0;
- }
- html("<tr><td class='filemode'>");
- html_filemode(mode);
- html("</td><td ");
- if (S_ISDIRLNK(mode)) {
- htmlf("class='ls-mod'><a href='");
- html_attr(fmt(cgit_repo->module_link,
+ strbuf_addf(&fullpath, "%s%s%s", ctx.qry.path ? ctx.qry.path : "",
+ ctx.qry.path ? "/" : "", name);
+
+ if (!S_ISGITLINK(mode)) {
+ type = sha1_object_info(sha1, &size);
+ if (type == OBJ_BAD) {
+ htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>",
name,
- sha1_to_hex(sha1)));
+ sha1_to_hex(sha1));
+ free(name);
+ return 0;
+ }
+ }
+
+ html("<tr><td class='ls-mode'>");
+ cgit_print_filemode(mode);
+ html("</td><td>");
+ if (S_ISGITLINK(mode)) {
+ cgit_submodule_link("ls-mod", fullpath.buf, sha1_to_hex(sha1));
} else if (S_ISDIR(mode)) {
- html("class='ls-dir'><a href='");
- html_attr(cgit_pageurl(cgit_query_repo, "tree",
- fmt("h=%s&id=%s&path=%s%s/",
- curr_rev,
- sha1_to_hex(sha1),
- cgit_query_path ? cgit_query_path : "",
- pathname)));
+ write_tree_link(sha1, name, walk_tree_ctx->curr_rev,
+ &fullpath);
} else {
- html("class='ls-blob'><a href='");
- html_attr(cgit_pageurl(cgit_query_repo, "view",
- fmt("h=%s&id=%s&path=%s%s", curr_rev,
- sha1_to_hex(sha1),
- cgit_query_path ? cgit_query_path : "",
- pathname)));
- }
- htmlf("'>%s</a></td>", name);
- htmlf("<td class='filesize'>%li</td>", size);
-
- html("<td class='links'><a href='");
- html_attr(cgit_pageurl(cgit_query_repo, "log",
- fmt("h=%s&path=%s%s",
- curr_rev,
- cgit_query_path ? cgit_query_path : "",
- pathname)));
- html("'>history</a></td>");
- html("</tr>\n");
+ 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);
+ }
+ htmlf("</td><td class='ls-size'>%li</td>", size);
+
+ html("<td>");
+ cgit_log_link("log", NULL, "button", ctx.qry.head,
+ walk_tree_ctx->curr_rev, fullpath.buf, 0, NULL, NULL,
+ ctx.qry.showmsg, 0);
+ 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);
+ html("</td></tr>\n");
free(name);
+ strbuf_release(&fullpath);
+ strbuf_release(&class);
return 0;
}
-void cgit_print_tree(const char *rev, const char *hex, char *path)
+static void ls_head(void)
+{
+ cgit_print_layout_start();
+ html("<table summary='tree listing' class='list'>\n");
+ html("<tr class='nohover'>");
+ html("<th class='left'>Mode</th>");
+ html("<th class='left'>Name</th>");
+ html("<th class='right'>Size</th>");
+ html("<th/>");
+ html("</tr>\n");
+}
+
+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;
- unsigned char sha1[20];
- struct commit *commit;
+ struct pathspec paths = {
+ .nr = 0
+ };
- curr_rev = xstrdup(rev);
- get_sha1(rev, sha1);
- commit = lookup_commit_reference(sha1);
- if (!commit || parse_commit(commit)) {
- cgit_print_error(fmt("Invalid head: %s", rev));
+ tree = parse_tree_indirect(oid);
+ if (!tree) {
+ cgit_print_error_page(404, "Not found",
+ "Not a tree object: %s", sha1_to_hex(oid->hash));
return;
}
- if (!hex)
- hex = sha1_to_hex(commit->tree->object.sha1);
- if (get_sha1_hex(hex, sha1)) {
- cgit_print_error(fmt("Invalid object id: %s", hex));
+ ls_head();
+ read_tree_recursive(tree, "", 0, 1, &paths, ls_item, walk_tree_ctx);
+ ls_tail();
+}
+
+
+static int walk_tree(const unsigned char *sha1, 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(sha1, buffer.buf, pathname, walk_tree_ctx->curr_rev);
+ strbuf_release(&buffer);
+ return 0;
+ }
+ }
+ ls_item(sha1, 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_print_error_page(404, "Not found",
+ "Invalid revision name: %s", rev);
return;
}
- tree = parse_tree_indirect(sha1);
- if (!tree) {
- cgit_print_error(fmt("Not a tree object: %s", hex));
+ commit = lookup_commit_reference(&oid);
+ if (!commit || parse_commit(commit)) {
+ cgit_print_error_page(404, "Not found",
+ "Invalid commit reference: %s", rev);
return;
}
- html_txt(path);
- html("<table class='list'>\n");
- html("<tr class='nohover'>");
- html("<th class='left'>Mode</th>");
- html("<th class='left'>Name</th>");
- html("<th class='right'>Size</th>");
- html("<th/>");
- html("</tr>\n");
- read_tree_recursive(tree, "", 0, 1, NULL, print_entry);
- html("</table>\n");
+ walk_tree_ctx.curr_rev = xstrdup(rev);
+
+ if (path == NULL) {
+ ls_tree(&commit->tree->object.oid, NULL, &walk_tree_ctx);
+ goto cleanup;
+ }
+
+ read_tree_recursive(commit->tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
+ if (walk_tree_ctx.state == 1)
+ ls_tail();
+ else if (walk_tree_ctx.state == 2)
+ cgit_print_layout_end();
+ else
+ cgit_print_error_page(404, "Not found", "Path not found");
+
+cleanup:
+ free(walk_tree_ctx.curr_rev);
}
git.ckatri.com / cgit.git / blobdiff