1 /*-------------------------------------------------------------------------
2 * drawElements Quality Program Tester Core
3 * ----------------------------------------
4 *
5 * Copyright 2014 The Android Open Source Project
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 *//*!
20 * \file
21 * \brief Resource system.
22 *//*--------------------------------------------------------------------*/
23
24 #include "tcuResource.hpp"
25
26 #include <stdio.h>
27
28 namespace tcu
29 {
30
DirArchive(const char * path)31 DirArchive::DirArchive(const char *path) : m_path(path)
32 {
33 // Append leading / if necessary
34 if (m_path.length() > 0 && m_path[m_path.length() - 1] != '/')
35 m_path += "/";
36 }
37
~DirArchive()38 DirArchive::~DirArchive()
39 {
40 }
41
getResource(const char * name) const42 Resource *DirArchive::getResource(const char *name) const
43 {
44 return static_cast<Resource *>(new FileResource((m_path + name).c_str()));
45 }
46
FileResource(const char * filename)47 FileResource::FileResource(const char *filename) : Resource(std::string(filename))
48 {
49 m_file = fopen(filename, "rb");
50 if (!m_file)
51 throw ResourceError("Failed to open file", filename, __FILE__, __LINE__);
52 }
53
~FileResource()54 FileResource::~FileResource()
55 {
56 fclose(m_file);
57 }
58
read(uint8_t * dst,int numBytes)59 void FileResource::read(uint8_t *dst, int numBytes)
60 {
61 int numRead = (int)fread(dst, 1, numBytes, m_file);
62 TCU_CHECK(numRead == numBytes);
63 }
64
getSize(void) const65 int FileResource::getSize(void) const
66 {
67 long curPos = ftell(m_file);
68 fseek(m_file, 0, SEEK_END);
69 int size = (int)ftell(m_file);
70 fseek(m_file, curPos, SEEK_SET);
71 return size;
72 }
73
getPosition(void) const74 int FileResource::getPosition(void) const
75 {
76 return (int)ftell(m_file);
77 }
78
setPosition(int position)79 void FileResource::setPosition(int position)
80 {
81 fseek(m_file, (size_t)position, SEEK_SET);
82 }
83
ResourcePrefix(const Archive & archive,const char * prefix)84 ResourcePrefix::ResourcePrefix(const Archive &archive, const char *prefix) : m_archive(archive), m_prefix(prefix)
85 {
86 }
87
getResource(const char * name) const88 Resource *ResourcePrefix::getResource(const char *name) const
89 {
90 return m_archive.getResource((m_prefix + name).c_str());
91 }
92
93 } // namespace tcu
94