From 5870098c4b45c7dace76eadb93a49d0317edb456 Mon Sep 17 00:00:00 2001 From: KatolaZ Date: Sat, 28 Jul 2018 16:07:25 +0100 Subject: tree and file presentation --- ui_70-tree.c | 328 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 328 insertions(+) create mode 100644 ui_70-tree.c (limited to 'ui_70-tree.c') 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 + * + * 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("\n"); + html(""); + for (ofs = 0; ofs < size; ofs += ROWLEN, buf += ROWLEN) { + htmlf("\n"); + } + html("
ofshex dumpascii
%04lx", ofs); + for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++) + htmlf("%*s%02x", + idx == 16 ? 4 : 1, "", + buf[idx] & 0xff); + html(" "); + for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++) + ascii[idx] = isgraph(buf[idx]) ? buf[idx] : '.'; + ascii[idx] = '\0'; + html_txt(ascii); + html("
\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("\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); +} -- cgit v1.2.3