SkOSFile_brew.cpp revision 40528743dbb9ce7f39f093e0cdc47849ac8887cf 
1/* libs/graphics/ports/SkOSFile_brew.cpp
2**
3** Copyright 2006, The Android Open Source Project
4** Copyright 2009, Company 100, Inc.
5**
6** Licensed under the Apache License, Version 2.0 (the "License");
7** you may not use this file except in compliance with the License.
8** You may obtain a copy of the License at
9**
10**     http://www.apache.org/licenses/LICENSE-2.0
11**
12** Unless required by applicable law or agreed to in writing, software
13** distributed under the License is distributed on an "AS IS" BASIS,
14** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15** See the License for the specific language governing permissions and
16** limitations under the License.
17*/
18
19#include "SkOSFile.h"
20
21#ifdef SK_BUILD_FOR_BREW
22
23#include <AEEAppGen.h>
24#include <AEEFile.h>
25#include <AEEStdLib.h>
26
27SkFILE* sk_fopen(const char path[], SkFILE_Flags flags)
28{
29    int err;
30    OpenFileMode mode;
31    IFileMgr* fileMgr;
32    IFile* file;
33    IShell* shell;
34
35    shell = reinterpret_cast<AEEApplet*>(GETAPPINSTANCE())->m_pIShell;
36    err = ISHELL_CreateInstance(shell, AEECLSID_FILEMGR, (void**)&fileMgr);
37    if (err!= SUCCESS)
38        return NULL;
39
40    if (flags & kWrite_SkFILE_Flag)
41        mode = _OFM_READWRITE;
42    else /* kRead_SkFILE_Flag */
43        mode = _OFM_READ;
44
45    file = IFILEMGR_OpenFile(fileMgr, path, mode);
46    IFILEMGR_Release(fileMgr);
47
48    return (SkFILE*)file;
49}
50
51size_t sk_fgetsize(SkFILE* f)
52{
53    FileInfo fileInfo;
54
55    IFILE_GetInfo((IFile*)f, &fileInfo);
56    return fileInfo.dwSize;
57}
58
59bool sk_frewind(SkFILE* f)
60{
61    SkASSERT(f);
62    return IFILE_Seek((IFile*)f,  _SEEK_START, 0) == SUCCESS;
63}
64
65size_t sk_fread(void* buffer, size_t byteCount, SkFILE* f)
66{
67    SkASSERT(f);
68    if (buffer == NULL)
69    {
70        int err = IFILE_Seek((IFile*)f, _SEEK_CURRENT, (int)byteCount);
71        if (err == EFAILED) {
72            SkDEBUGF(("sk_fread: IFILE_Seek(%d) failed returned:%d\n", byteCount, err));
73            return 0;
74        }
75        return byteCount;
76    }
77    else
78        return IFILE_Read((IFile*)f, buffer, byteCount);
79}
80
81size_t sk_fwrite(const void* buffer, size_t byteCount, SkFILE* f)
82{
83    SkASSERT(f);
84    return IFILE_Write((IFile*)f, buffer, byteCount);
85}
86
87void sk_fflush(SkFILE* f)
88{
89    SkASSERT(f);
90}
91
92void sk_fclose(SkFILE* f)
93{
94    SkASSERT(f);
95    IFILE_Release((IFile*)f);
96}
97
98#endif
99
100