/* ui-tree.c: functions for tree output * * Copyright (C) 2006-2017 cgit Development Team <cgit@lists.zx2c4.com> * 2018 Vincenzo 'KatolaZ' Nicosia <katolaz@freaknet.org> * * 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; } } /* if (S_ISGITLINK(mode)) { cgit_submodule_link("ls-mod", fullpath.buf, oid_to_hex(oid)); } else */ if (S_ISDIR(mode)) { cgit_gopher_start_selector(GOPHER_MENU); cgit_print_filemode(mode); cgit_gopher_text(" "); cgit_gopher_text_pad(name, GOPHER_SUMMARY_NAME_LEN); gopherf("%10ld", size); cgit_gopher_tab(); 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_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(); 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_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); }