blob: 7d8394162cba37a513c02675769ca61e73087dc3 (
plain)
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
|
/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SKSL_FILEOUTPUTSTREAM
#define SKSL_FILEOUTPUTSTREAM
#include "SkSLOutputStream.h"
#include "SkSLUtil.h"
#include <stdio.h>
namespace SkSL {
class FileOutputStream : public OutputStream {
public:
FileOutputStream(const char* name) {
fFile = fopen(name, "wb");
}
~FileOutputStream() override {
ASSERT(!fOpen);
}
bool isValid() const override {
return nullptr != fFile;
}
void write8(uint8_t b) override {
ASSERT(fOpen);
if (isValid()) {
if (EOF == fputc(b, fFile)) {
fFile = nullptr;
}
}
}
void writeText(const char* s) override {
ASSERT(fOpen);
if (isValid()) {
if (EOF == fputs(s, fFile)) {
fFile = nullptr;
}
}
}
void write(const void* s, size_t size) override {
if (isValid()) {
size_t written = fwrite(s, 1, size, fFile);
if (written != size) {
fFile = nullptr;
}
}
}
bool close() {
fOpen = false;
if (isValid() && fclose(fFile)) {
fFile = nullptr;
return false;
}
return true;
}
private:
bool fOpen = true;
FILE *fFile;
typedef OutputStream INHERITED;
};
} // namespace
#endif
|
