X-Git-Url: https://git.cameronkatri.com/cgit.git/blobdiff_plain/a53042865a4ac8b1fa1d6b37720787601e181495..8acfa51a8b3c6011483132c933213231f7a4865b:/ui-tree.c

diff --git a/ui-tree.c b/ui-tree.c
index 54dcdbe..e4c3d22 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -1,73 +1,294 @@
 /* ui-tree.c: functions for tree output
  *
- * Copyright (C) 2006 Lars Hjemli
+ * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
+#include <ctype.h>
 #include "cgit.h"
+#include "ui-tree.h"
+#include "html.h"
+#include "ui-shared.h"
 
+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)
 {
-	char *name;
-	char type[20];
+	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;
 
-	if (sha1_object_info(sha1, type, &size)) {
-		cgit_print_error(fmt("Bad object name: %s", 
-				     sha1_to_hex(sha1)));
-		return 0;
+	type = sha1_object_info(sha1, &size);
+	if (type == OBJ_BAD) {
+		cgit_print_error("Bad object name: %s", sha1_to_hex(sha1));
+		return;
 	}
+
+	buf = read_sha1_file(sha1, &type, &size);
+	if (!buf) {
+		cgit_print_error("Error reading object %s", sha1_to_hex(sha1));
+		return;
+	}
+
+	htmlf("blob: %s (", sha1_to_hex(sha1));
+	cgit_plain_link("plain", 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);
+}
+
+
+static int ls_item(const unsigned char *sha1, const char *base, int baselen,
+		   const char *pathname, unsigned int 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);
-	html("<tr><td class='filemode'>");
-	html_filemode(mode);
+	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));
+			return 0;
+		}
+	}
+
+	html("<tr><td class='ls-mode'>");
+	cgit_print_filemode(mode);
 	html("</td><td>");
-	if (S_ISDIR(mode)) {
-		html("<div class='ls-dir'><a href='");
-		html_attr(cgit_pageurl(cgit_query_repo, "tree", 
-				       fmt("id=%s", sha1_to_hex(sha1))));
+	if (S_ISGITLINK(mode)) {
+		cgit_submodule_link("ls-mod", fullpath.buf, sha1_to_hex(sha1));
+	} else if (S_ISDIR(mode)) {
+		cgit_tree_link(name, NULL, "ls-dir", ctx.qry.head,
+			       walk_tree_ctx->curr_rev, fullpath.buf);
 	} else {
-		html("<div class='ls-blob'><a href='");
-		html_attr(cgit_pageurl(cgit_query_repo, "view",
-				      fmt("id=%s", sha1_to_hex(sha1))));
+		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);
 	}
-	html("'>");
-	html_txt(name);
-	if (S_ISDIR(mode))
-		html("/");
-	html("</a></div></td>");
-	htmlf("<td class='filesize'>%li</td>", size);
-	html("</tr>\n");
+	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);
+	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);
+	html("</td></tr>\n");
 	free(name);
+	strbuf_release(&fullpath);
+	strbuf_release(&class);
 	return 0;
 }
 
-void cgit_print_tree(const char *hex)
+static void ls_head()
+{
+	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()
+{
+	html("</table>\n");
+}
+
+static void ls_tree(const unsigned char *sha1, char *path, struct walk_tree_context *walk_tree_ctx)
 {
 	struct tree *tree;
+	struct pathspec paths = {
+		.nr = 0
+	};
+
+	tree = parse_tree_indirect(sha1);
+	if (!tree) {
+		cgit_print_error("Not a tree object: %s", sha1_to_hex(sha1));
+		return;
+	}
+
+	ls_head();
+	read_tree_recursive(tree, "", 0, 1, &paths, ls_item, walk_tree_ctx);
+	ls_tail();
+}
+
+
+static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
+		     const char *pathname, unsigned mode, int stage,
+		     void *cbdata)
+{
+	struct walk_tree_context *walk_tree_ctx = cbdata;
+	static char buffer[PATH_MAX];
+
+	if (walk_tree_ctx->state == 0) {
+		memcpy(buffer, base, baselen);
+		strcpy(buffer + baselen, pathname);
+		if (strcmp(walk_tree_ctx->match_path, buffer))
+			return READ_TREE_RECURSIVE;
+
+		if (S_ISDIR(mode)) {
+			walk_tree_ctx->state = 1;
+			ls_head();
+			return READ_TREE_RECURSIVE;
+		} else {
+			print_object(sha1, buffer, pathname, walk_tree_ctx->curr_rev);
+			return 0;
+		}
+	}
+	ls_item(sha1, base, baselen, 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)
+{
 	unsigned char sha1[20];
+	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 (get_sha1_hex(hex, sha1)) {
-		cgit_print_error(fmt("Invalid object id: %s", hex));
+	if (!rev)
+		rev = ctx.qry.head;
+
+	if (get_sha1(rev, sha1)) {
+		cgit_print_error("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(sha1);
+	if (!commit || parse_commit(commit)) {
+		cgit_print_error("Invalid commit reference: %s", rev);
 		return;
 	}
 
-	html("<h2>Tree content</h2>\n");
-	html("<table class='list'>\n");
-	html("<tr>");
-	html("<th class='left'>Mode</th>");
-	html("<th class='left'>Name</th>");
-	html("<th class='right'>Size</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.sha1, 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();
+
+cleanup:
+	free(walk_tree_ctx.curr_rev);
 }