X-Git-Url: https://git.cameronkatri.com/cgit.git/blobdiff_plain/780d2d98598e621d12c7b23d4c68b5ddc7019838..7f75647b5565076b70d7c619df08e6c64dac9386:/ui-tree.c

diff --git a/ui-tree.c b/ui-tree.c
index 553dbaa..e6b3074 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -1,40 +1,59 @@
 /* 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 <ctype.h>
 #include "cgit.h"
+#include "ui-tree.h"
 #include "html.h"
 #include "ui-shared.h"
 
-char *curr_rev;
-char *match_path;
-int header = 0;
+struct walk_tree_context {
+	char *curr_rev;
+	char *match_path;
+	int state;
+};
 
-static void print_text_buffer(char *buf, unsigned long size)
+static void print_text_buffer(const char *name, char *buf, unsigned long size)
 {
 	unsigned long lineno, idx;
-	const char *numberfmt =
-		"<a class='no' id='n%1$d' name='n%1$d' href='#n%1$d'>%1$d</a>\n";
+	const char *numberfmt = "<a id='n%1$d' href='#n%1$d'>%1$d</a>\n";
 
 	html("<table summary='blob content' class='blob'>\n");
-	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++;
+
+	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("</pre></td>\n");
+
 	html("<td class='lines'><pre><code>");
 	html_txt(buf);
 	html("</code></pre></td></tr></table>\n");
@@ -50,7 +69,7 @@ static void print_binary_buffer(char *buf, unsigned long size)
 	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'>%04x</td><td class='hex'>", ofs);
+		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, "",
@@ -65,57 +84,141 @@ static void print_binary_buffer(char *buf, unsigned long size)
 	html("</table>\n");
 }
 
-static void print_object(const unsigned char *sha1, char *path)
+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 = sha1_object_info(sha1, &size);
+	type = oid_object_info(the_repository, oid, &size);
 	if (type == OBJ_BAD) {
-		cgit_print_error(fmt("Bad object name: %s",
-				     sha1_to_hex(sha1)));
+		cgit_print_error_page(404, "Not found",
+			"Bad object name: %s", oid_to_hex(oid));
 		return;
 	}
 
-	buf = read_sha1_file(sha1, &type, &size);
+	buf = read_object_file(oid, &type, &size);
 	if (!buf) {
-		cgit_print_error(fmt("Error reading object %s",
-				     sha1_to_hex(sha1)));
+		cgit_print_error_page(500, "Internal server error",
+			"Error reading object %s", oid_to_hex(oid));
 		return;
 	}
 
-	html(" (");
+	cgit_set_title_from_path(path);
+
+	cgit_print_layout_start();
+	htmlf("blob: %s (", oid_to_hex(oid));
 	cgit_plain_link("plain", NULL, NULL, ctx.qry.head,
-		        curr_rev, path);
-	htmlf(")<br/>blob: %s\n", sha1_to_hex(sha1));
+		        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(buf, size);
+		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 ls_item(const unsigned char *sha1, const char *base, int baselen,
-		   const char *pathname, unsigned int mode, int stage,
-		   void *cbdata)
+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;
-	char *fullpath;
+	struct strbuf fullpath = STRBUF_INIT;
+	struct strbuf class = STRBUF_INIT;
 	enum object_type type;
 	unsigned long size = 0;
 
 	name = xstrdup(pathname);
-	fullpath = fmt("%s%s%s", ctx.qry.path ? ctx.qry.path : "",
-		       ctx.qry.path ? "/" : "", name);
+	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);
+		type = oid_object_info(the_repository, oid, &size);
 		if (type == OBJ_BAD) {
 			htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>",
 			      name,
-			      sha1_to_hex(sha1));
+			      oid_to_hex(oid));
+			free(name);
 			return 0;
 		}
 	}
@@ -124,35 +227,43 @@ static int ls_item(const unsigned char *sha1, const char *base, int baselen,
 	cgit_print_filemode(mode);
 	html("</td><td>");
 	if (S_ISGITLINK(mode)) {
-		htmlf("<a class='ls-mod' href='");
-		html_attr(fmt(ctx.repo->module_link,
-			      name,
-			      sha1_to_hex(sha1)));
-		html("'>");
-		html_txt(name);
-		html("</a>");
+		cgit_submodule_link("ls-mod", fullpath.buf, oid_to_hex(oid));
 	} else if (S_ISDIR(mode)) {
-		cgit_tree_link(name, NULL, "ls-dir", ctx.qry.head,
-			       curr_rev, fullpath);
+		write_tree_link(oid, name, walk_tree_ctx->curr_rev,
+				&fullpath);
 	} else {
-		cgit_tree_link(name, NULL, "ls-blob", ctx.qry.head,
-			       curr_rev, fullpath);
+		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, curr_rev,
-		      fullpath, 0, NULL, NULL, ctx.qry.showmsg);
+	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);
+				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;
 }
 
-static void ls_head()
+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>");
@@ -160,68 +271,64 @@ static void ls_head()
 	html("<th class='right'>Size</th>");
 	html("<th/>");
 	html("</tr>\n");
-	header = 1;
 }
 
-static void ls_tail()
+static void ls_tail(void)
 {
-	if (!header)
-		return;
 	html("</table>\n");
-	header = 0;
+	cgit_print_layout_end();
 }
 
-static void ls_tree(const unsigned char *sha1, char *path)
+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(sha1);
+	tree = parse_tree_indirect(oid);
 	if (!tree) {
-		cgit_print_error(fmt("Not a tree object: %s",
-				     sha1_to_hex(sha1)));
+		cgit_print_error_page(404, "Not found",
+			"Not a tree object: %s", oid_to_hex(oid));
 		return;
 	}
 
 	ls_head();
-	read_tree_recursive(tree, "", 0, 1, NULL, ls_item, NULL);
+	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)
+static int walk_tree(const struct object_id *oid, struct strbuf *base,
+		const char *pathname, unsigned mode, int stage, void *cbdata)
 {
-	static int state;
-	static char buffer[PATH_MAX];
-	char *url;
-
-	if (state == 0) {
-		memcpy(buffer, base, baselen);
-		strcpy(buffer+baselen, pathname);
-		url = cgit_pageurl(ctx.qry.repo, "tree",
-				   fmt("h=%s&amp;path=%s", curr_rev, buffer));
-		html("/");
-		cgit_tree_link(xstrdup(pathname), NULL, NULL, ctx.qry.head,
-			       curr_rev, buffer);
-
-		if (strcmp(match_path, buffer))
+	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)) {
-			state = 1;
+			walk_tree_ctx->state = 1;
+			cgit_set_title_from_path(buffer.buf);
+			strbuf_release(&buffer);
 			ls_head();
 			return READ_TREE_RECURSIVE;
 		} else {
-			print_object(sha1, buffer);
+			walk_tree_ctx->state = 2;
+			print_object(oid, buffer.buf, pathname, walk_tree_ctx->curr_rev);
+			strbuf_release(&buffer);
 			return 0;
 		}
 	}
-	ls_item(sha1, base, baselen, pathname, mode, stage, NULL);
+	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
@@ -229,34 +336,51 @@ static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
  */
 void cgit_print_tree(const char *rev, char *path)
 {
-	unsigned char sha1[20];
+	struct object_id oid;
 	struct commit *commit;
-	const char *paths[] = {path, NULL};
+	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;
 
-	curr_rev = xstrdup(rev);
-	if (get_sha1(rev, sha1)) {
-		cgit_print_error(fmt("Invalid revision name: %s", rev));
+	if (get_oid(rev, &oid)) {
+		cgit_print_error_page(404, "Not found",
+			"Invalid revision name: %s", rev);
 		return;
 	}
-	commit = lookup_commit_reference(sha1);
+	commit = lookup_commit_reference(&oid);
 	if (!commit || parse_commit(commit)) {
-		cgit_print_error(fmt("Invalid commit reference: %s", rev));
+		cgit_print_error_page(404, "Not found",
+			"Invalid commit reference: %s", rev);
 		return;
 	}
 
-	html("path: <a href='");
-	html_attr(cgit_pageurl(ctx.qry.repo, "tree", fmt("h=%s", rev)));
-	html("'>root</a>");
+	walk_tree_ctx.curr_rev = xstrdup(rev);
 
 	if (path == NULL) {
-		ls_tree(commit->tree->object.sha1, NULL);
-		return;
+		ls_tree(&commit->maybe_tree->object.oid, NULL, &walk_tree_ctx);
+		goto cleanup;
 	}
 
-	match_path = path;
-	read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree, NULL);
-	ls_tail();
+	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)
+		cgit_print_layout_end();
+	else
+		cgit_print_error_page(404, "Not found", "Path not found");
+
+cleanup:
+	free(walk_tree_ctx.curr_rev);
 }