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)
32 : m_path(path)
33 {
34 // Append leading / if necessary
35 if (m_path.length() > 0 && m_path[m_path.length()-1] != '/')
36 m_path += "/";
37 }
38
~DirArchive()39 DirArchive::~DirArchive ()
40 {
41 }
42
getResource(const char * name) const43 Resource* DirArchive::getResource (const char* name) const
44 {
45 return static_cast<Resource*>(new FileResource((m_path + name).c_str()));
46 }
47
FileResource(const char * filename)48 FileResource::FileResource (const char* filename)
49 : Resource(std::string(filename))
50 {
51 m_file = fopen(filename, "rb");
52 if (!m_file)
53 throw ResourceError("Failed to open file", filename, __FILE__, __LINE__);
54 }
55
~FileResource()56 FileResource::~FileResource ()
57 {
58 fclose(m_file);
59 }
60
read(deUint8 * dst,int numBytes)61 void FileResource::read (deUint8* dst, int numBytes)
62 {
63 int numRead = (int)fread(dst, 1, numBytes, m_file);
64 TCU_CHECK(numRead == numBytes);
65 }
66
getSize(void) const67 int FileResource::getSize (void) const
68 {
69 long curPos = ftell(m_file);
70 fseek(m_file, 0, SEEK_END);
71 int size = (int)ftell(m_file);
72 fseek(m_file, curPos, SEEK_SET);
73 return size;
74 }
75
getPosition(void) const76 int FileResource::getPosition (void) const
77 {
78 return (int)ftell(m_file);
79 }
80
setPosition(int position)81 void FileResource::setPosition (int position)
82 {
83 fseek(m_file, (size_t)position, SEEK_SET);
84 }
85
ResourcePrefix(const Archive & archive,const char * prefix)86 ResourcePrefix::ResourcePrefix (const Archive& archive, const char* prefix)
87 : m_archive (archive)
88 , m_prefix (prefix)
89 {
90 }
91
getResource(const char * name) const92 Resource* ResourcePrefix::getResource (const char* name) const
93 {
94 return m_archive.getResource((m_prefix + name).c_str());
95 }
96
97 } // tcu
98