Merge with trunk r41701soc-2011-carrot

1 files changed, 166 insertions, 0 deletions

diff --git a/intern/cycles/util/util_path.cpp b/intern/cycles/util/util_path.cpp
new file mode 100644
index 00000000000..55e6a95b54a
--- /dev/null
+++ b/intern/cycles/util/util_path.cpp
@@ -0,0 +1,166 @@
+/*
+ * Copyright 2011, Blender Foundation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "util_debug.h"
+#include "util_md5.h"
+#include "util_path.h"
+#include "util_string.h"
+
+#include <OpenImageIO/sysutil.h>
+OIIO_NAMESPACE_USING
+
+#include <stdio.h>
+
+#define BOOST_FILESYSTEM_VERSION 2
+
+#include <boost/filesystem.hpp> 
+#include <boost/algorithm/string.hpp>
+
+CCL_NAMESPACE_BEGIN
+
+static string cached_path = "";
+static string cached_user_path = "";
+
+void path_init(const string& path, const string& user_path)
+{
+	cached_path = path;
+	cached_user_path = user_path;
+}
+
+string path_get(const string& sub)
+{
+	if(cached_path == "")
+		cached_path = path_dirname(Sysutil::this_program_path());
+
+	return path_join(cached_path, sub);
+}
+
+string path_user_get(const string& sub)
+{
+	if(cached_user_path == "")
+		cached_user_path = path_dirname(Sysutil::this_program_path());
+
+	return path_join(cached_user_path, sub);
+}
+
+string path_filename(const string& path)
+{
+	return boost::filesystem::path(path).filename();
+}
+
+string path_dirname(const string& path)
+{
+	return boost::filesystem::path(path).parent_path().string();
+}
+
+string path_join(const string& dir, const string& file)
+{
+	return (boost::filesystem::path(dir) / boost::filesystem::path(file)).string();
+}
+
+string path_escape(const string& path)
+{
+	string result = path;
+	boost::replace_all(result, " ", "\\ ");
+	return result;
+}
+
+bool path_exists(const string& path)
+{
+	return boost::filesystem::exists(path);
+}
+
+static void path_files_md5_hash_recursive(MD5Hash& hash, const string& dir)
+{
+	if(boost::filesystem::exists(dir)) {
+		boost::filesystem::directory_iterator it(dir), it_end;
+
+		for(; it != it_end; it++) {
+			if(boost::filesystem::is_directory(it->status())) {
+				path_files_md5_hash_recursive(hash, it->path().string());
+			}
+			else {
+				string filepath = it->path().string();
+
+				hash.append((const uint8_t*)filepath.c_str(), filepath.size());
+				hash.append_file(filepath);
+			}
+		}
+	}
+}
+
+string path_files_md5_hash(const string& dir)
+{
+	/* computes md5 hash of all files in the directory */
+	MD5Hash hash;
+
+	path_files_md5_hash_recursive(hash, dir);
+
+	return hash.get_hex();
+}
+
+void path_create_directories(const string& path)
+{
+	boost::filesystem::create_directories(path_dirname(path));
+}
+
+bool path_write_binary(const string& path, const vector<uint8_t>& binary)
+{
+	path_create_directories(path);
+
+	/* write binary file from memory */
+	FILE *f = fopen(path.c_str(), "wb");
+
+	if(!f)
+		return false;
+
+	if(binary.size() > 0)
+		fwrite(&binary[0], sizeof(uint8_t), binary.size(), f);
+
+	fclose(f);
+
+	return true;
+}
+
+bool path_read_binary(const string& path, vector<uint8_t>& binary)
+{
+	binary.resize(boost::filesystem::file_size(path));
+
+	/* read binary file into memory */
+	FILE *f = fopen(path.c_str(), "rb");
+
+	if(!f)
+		return false;
+
+	if(binary.size() == 0) {
+		fclose(f);
+		return false;
+	}
+
+	if(fread(&binary[0], sizeof(uint8_t), binary.size(), f) != binary.size()) {
+		fclose(f);
+		return false;
+	}
+
+	fclose(f);
+
+	return true;
+}
+
+CCL_NAMESPACE_END
+