1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef AAPT_IO_UTIL_H
#define AAPT_IO_UTIL_H
#include <string>
#include "google/protobuf/message_lite.h"
#include "google/protobuf/io/coded_stream.h"
#include "format/Archive.h"
#include "io/File.h"
#include "io/Io.h"
#include "process/IResourceTableConsumer.h"
namespace aapt {
namespace io {
bool CopyInputStreamToArchive(IAaptContext* context, InputStream* in, const std::string& out_path,
uint32_t compression_flags, IArchiveWriter* writer);
bool CopyFileToArchive(IAaptContext* context, IFile* file, const std::string& out_path,
uint32_t compression_flags, IArchiveWriter* writer);
bool CopyFileToArchivePreserveCompression(IAaptContext* context, IFile* file,
const std::string& out_path, IArchiveWriter* writer);
bool CopyProtoToArchive(IAaptContext* context, ::google::protobuf::MessageLite* proto_msg,
const std::string& out_path, uint32_t compression_flags,
IArchiveWriter* writer);
// Copies the data from in to out. Returns false if there was an error.
// If there was an error, check the individual streams' HadError/GetError methods.
bool Copy(OutputStream* out, InputStream* in);
bool Copy(OutputStream* out, const ::android::StringPiece& in);
bool Copy(::google::protobuf::io::ZeroCopyOutputStream* out, InputStream* in);
class OutputStreamAdaptor : public io::OutputStream {
public:
explicit OutputStreamAdaptor(::google::protobuf::io::ZeroCopyOutputStream* out) : out_(out) {
}
bool Next(void** data, size_t* size) override {
int out_size;
bool result = out_->Next(data, &out_size);
*size = static_cast<size_t>(out_size);
if (!result) {
error_ocurred_ = true;
}
return result;
}
void BackUp(size_t count) override {
out_->BackUp(static_cast<int>(count));
}
size_t ByteCount() const override {
return static_cast<size_t>(out_->ByteCount());
}
bool HadError() const override {
return error_ocurred_;
}
private:
DISALLOW_COPY_AND_ASSIGN(OutputStreamAdaptor);
::google::protobuf::io::ZeroCopyOutputStream* out_;
bool error_ocurred_ = false;
};
class ZeroCopyInputAdaptor : public ::google::protobuf::io::ZeroCopyInputStream {
public:
explicit ZeroCopyInputAdaptor(io::InputStream* in) : in_(in) {
}
bool Next(const void** data, int* size) override {
size_t out_size;
bool result = in_->Next(data, &out_size);
*size = static_cast<int>(out_size);
return result;
}
void BackUp(int count) override {
in_->BackUp(static_cast<size_t>(count));
}
bool Skip(int count) override {
const void* data;
int size;
while (Next(&data, &size)) {
if (size > count) {
BackUp(size - count);
return true;
} else {
count -= size;
}
}
return false;
}
::google::protobuf::int64 ByteCount() const override {
return static_cast<::google::protobuf::int64>(in_->ByteCount());
}
private:
DISALLOW_COPY_AND_ASSIGN(ZeroCopyInputAdaptor);
io::InputStream* in_;
};
class ProtoInputStreamReader {
public:
explicit ProtoInputStreamReader(io::InputStream* in) : in_(in) { }
/** Deserializes a MessageLite proto from the current position in the input stream.*/
template <typename T> bool ReadMessage(T *message_lite) {
ZeroCopyInputAdaptor adapter(in_);
google::protobuf::io::CodedInputStream coded_stream(&adapter);
coded_stream.SetTotalBytesLimit(std::numeric_limits<int32_t>::max(),
coded_stream.BytesUntilTotalBytesLimit());
return message_lite->ParseFromCodedStream(&coded_stream);
}
private:
io::InputStream* in_;
};
} // namespace io
} // namespace aapt
#endif /* AAPT_IO_UTIL_H */
|
