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294 lines
7.1 KiB
294 lines
7.1 KiB
/* ui-tree.c: functions for tree output
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*
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* Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
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*
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* Licensed under GNU General Public License v2
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* (see COPYING for full license text)
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*/
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#include <ctype.h>
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#include "cgit.h"
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#include "ui-tree.h"
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#include "html.h"
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#include "ui-shared.h"
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struct walk_tree_context {
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char *curr_rev;
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char *match_path;
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int state;
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};
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static void print_text_buffer(const char *name, char *buf, unsigned long size)
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{
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unsigned long lineno, idx;
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const char *numberfmt = "<a id='n%1$d' href='#n%1$d'>%1$d</a>\n";
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html("<table summary='blob content' class='blob'>\n");
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if (ctx.cfg.enable_tree_linenumbers) {
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html("<tr><td class='linenumbers'><pre>");
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idx = 0;
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lineno = 0;
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if (size) {
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htmlf(numberfmt, ++lineno);
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while (idx < size - 1) { // skip absolute last newline
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if (buf[idx] == '\n')
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htmlf(numberfmt, ++lineno);
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idx++;
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}
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}
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html("</pre></td>\n");
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}
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else {
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html("<tr>\n");
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}
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if (ctx.repo->source_filter) {
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char *filter_arg = xstrdup(name);
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html("<td class='lines'><pre><code>");
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cgit_open_filter(ctx.repo->source_filter, filter_arg);
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html_raw(buf, size);
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cgit_close_filter(ctx.repo->source_filter);
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free(filter_arg);
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html("</code></pre></td></tr></table>\n");
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return;
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}
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html("<td class='lines'><pre><code>");
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html_txt(buf);
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html("</code></pre></td></tr></table>\n");
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}
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#define ROWLEN 32
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static void print_binary_buffer(char *buf, unsigned long size)
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{
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unsigned long ofs, idx;
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static char ascii[ROWLEN + 1];
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html("<table summary='blob content' class='bin-blob'>\n");
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html("<tr><th>ofs</th><th>hex dump</th><th>ascii</th></tr>");
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for (ofs = 0; ofs < size; ofs += ROWLEN, buf += ROWLEN) {
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htmlf("<tr><td class='right'>%04lx</td><td class='hex'>", ofs);
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for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
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htmlf("%*s%02x",
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idx == 16 ? 4 : 1, "",
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buf[idx] & 0xff);
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html(" </td><td class='hex'>");
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for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
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ascii[idx] = isgraph(buf[idx]) ? buf[idx] : '.';
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ascii[idx] = '\0';
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html_txt(ascii);
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html("</td></tr>\n");
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}
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html("</table>\n");
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}
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static void print_object(const unsigned char *sha1, char *path, const char *basename, const char *rev)
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{
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enum object_type type;
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char *buf;
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unsigned long size;
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type = sha1_object_info(sha1, &size);
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if (type == OBJ_BAD) {
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cgit_print_error("Bad object name: %s", sha1_to_hex(sha1));
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return;
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}
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buf = read_sha1_file(sha1, &type, &size);
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if (!buf) {
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cgit_print_error("Error reading object %s", sha1_to_hex(sha1));
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return;
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}
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htmlf("blob: %s (", sha1_to_hex(sha1));
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cgit_plain_link("plain", NULL, NULL, ctx.qry.head,
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rev, path);
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html(")\n");
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if (ctx.cfg.max_blob_size && size / 1024 > ctx.cfg.max_blob_size) {
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htmlf("<div class='error'>blob size (%ldKB) exceeds display size limit (%dKB).</div>",
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size / 1024, ctx.cfg.max_blob_size);
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return;
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}
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if (buffer_is_binary(buf, size))
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print_binary_buffer(buf, size);
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else
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print_text_buffer(basename, buf, size);
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}
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static int ls_item(const unsigned char *sha1, const char *base, int baselen,
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const char *pathname, unsigned int mode, int stage,
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void *cbdata)
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{
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struct walk_tree_context *walk_tree_ctx = cbdata;
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char *name;
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struct strbuf fullpath = STRBUF_INIT;
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struct strbuf class = STRBUF_INIT;
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enum object_type type;
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unsigned long size = 0;
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name = xstrdup(pathname);
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strbuf_addf(&fullpath, "%s%s%s", ctx.qry.path ? ctx.qry.path : "",
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ctx.qry.path ? "/" : "", name);
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if (!S_ISGITLINK(mode)) {
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type = sha1_object_info(sha1, &size);
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if (type == OBJ_BAD) {
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htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>",
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name,
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sha1_to_hex(sha1));
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return 0;
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}
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}
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html("<tr><td class='ls-mode'>");
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cgit_print_filemode(mode);
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html("</td><td>");
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if (S_ISGITLINK(mode)) {
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cgit_submodule_link("ls-mod", fullpath.buf, sha1_to_hex(sha1));
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} else if (S_ISDIR(mode)) {
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cgit_tree_link(name, NULL, "ls-dir", ctx.qry.head,
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walk_tree_ctx->curr_rev, fullpath.buf);
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} else {
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char *ext = strrchr(name, '.');
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strbuf_addstr(&class, "ls-blob");
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if (ext)
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strbuf_addf(&class, " %s", ext + 1);
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cgit_tree_link(name, NULL, class.buf, ctx.qry.head,
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walk_tree_ctx->curr_rev, fullpath.buf);
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}
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htmlf("</td><td class='ls-size'>%li</td>", size);
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html("<td>");
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cgit_log_link("log", NULL, "button", ctx.qry.head,
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walk_tree_ctx->curr_rev, fullpath.buf, 0, NULL, NULL,
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ctx.qry.showmsg);
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if (ctx.repo->max_stats)
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cgit_stats_link("stats", NULL, "button", ctx.qry.head,
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fullpath.buf);
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if (!S_ISGITLINK(mode))
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cgit_plain_link("plain", NULL, "button", ctx.qry.head,
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walk_tree_ctx->curr_rev, fullpath.buf);
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html("</td></tr>\n");
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free(name);
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strbuf_release(&fullpath);
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strbuf_release(&class);
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return 0;
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}
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static void ls_head()
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{
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html("<table summary='tree listing' class='list'>\n");
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html("<tr class='nohover'>");
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html("<th class='left'>Mode</th>");
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html("<th class='left'>Name</th>");
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html("<th class='right'>Size</th>");
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html("<th/>");
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html("</tr>\n");
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}
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static void ls_tail()
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{
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html("</table>\n");
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}
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static void ls_tree(const unsigned char *sha1, char *path, struct walk_tree_context *walk_tree_ctx)
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{
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struct tree *tree;
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struct pathspec paths = {
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.nr = 0
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};
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tree = parse_tree_indirect(sha1);
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if (!tree) {
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cgit_print_error("Not a tree object: %s", sha1_to_hex(sha1));
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return;
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}
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ls_head();
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read_tree_recursive(tree, "", 0, 1, &paths, ls_item, walk_tree_ctx);
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ls_tail();
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}
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static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
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const char *pathname, unsigned mode, int stage,
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void *cbdata)
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{
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struct walk_tree_context *walk_tree_ctx = cbdata;
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static char buffer[PATH_MAX];
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if (walk_tree_ctx->state == 0) {
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memcpy(buffer, base, baselen);
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strcpy(buffer + baselen, pathname);
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if (strcmp(walk_tree_ctx->match_path, buffer))
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return READ_TREE_RECURSIVE;
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if (S_ISDIR(mode)) {
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walk_tree_ctx->state = 1;
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ls_head();
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return READ_TREE_RECURSIVE;
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} else {
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print_object(sha1, buffer, pathname, walk_tree_ctx->curr_rev);
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return 0;
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}
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}
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ls_item(sha1, base, baselen, pathname, mode, stage, walk_tree_ctx);
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return 0;
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}
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/*
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* Show a tree or a blob
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* rev: the commit pointing at the root tree object
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* path: path to tree or blob
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*/
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void cgit_print_tree(const char *rev, char *path)
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{
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unsigned char sha1[20];
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struct commit *commit;
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struct pathspec_item path_items = {
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.match = path,
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.len = path ? strlen(path) : 0
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};
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struct pathspec paths = {
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.nr = path ? 1 : 0,
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.items = &path_items
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};
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struct walk_tree_context walk_tree_ctx = {
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.match_path = path,
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.state = 0
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};
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if (!rev)
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rev = ctx.qry.head;
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if (get_sha1(rev, sha1)) {
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cgit_print_error("Invalid revision name: %s", rev);
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return;
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}
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commit = lookup_commit_reference(sha1);
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if (!commit || parse_commit(commit)) {
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cgit_print_error("Invalid commit reference: %s", rev);
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return;
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}
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walk_tree_ctx.curr_rev = xstrdup(rev);
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if (path == NULL) {
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ls_tree(commit->tree->object.sha1, NULL, &walk_tree_ctx);
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goto cleanup;
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}
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read_tree_recursive(commit->tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
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if (walk_tree_ctx.state == 1)
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ls_tail();
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cleanup:
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free(walk_tree_ctx.curr_rev);
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}
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