/
gf_file.go
124 lines (97 loc) · 3.32 KB
/
gf_file.go
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
/*
GloFlow application and media management/publishing platform
Copyright (C) 2022 Ivan Trajkovic
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package gf_core
import (
"os"
"io/ioutil"
)
//---------------------------------------------------
func FileReadBytes(pLocalFilePathStr string,
pRuntimeSys *RuntimeSys) ([]byte, *GFerror) {
file, err := os.Open(pLocalFilePathStr)
if err != nil {
gfErr := ErrorCreate("OS failed to open a file for JSON reading",
"file_open_error",
map[string]interface{}{"local_file_path_str": pLocalFilePathStr,},
err, "gf_core", pRuntimeSys)
return nil, gfErr
}
bytesLst, err := ioutil.ReadAll(file)
if err != nil {
gfErr := ErrorCreate("failed to read all data from a file, for JSON parsing",
"file_read_error",
map[string]interface{}{"local_file_path_str": pLocalFilePathStr,},
err, "gf_core", pRuntimeSys)
return nil, gfErr
}
return bytesLst, nil
}
//---------------------------------------------------
func FileRead(pLocalFilePathStr string,
pRuntimeSys *RuntimeSys) (string, *GFerror) {
bytesLst, gfErr := FileReadBytes(pLocalFilePathStr, pRuntimeSys)
if gfErr != nil {
return "", gfErr
}
return string(bytesLst), nil
}
//---------------------------------------------------
func FileCreateWithContent(pContentStr string,
pFilePathStr string,
pRuntimeSys *RuntimeSys) *GFerror {
f, err := os.Create(pFilePathStr)
defer f.Close()
if err != nil {
gfErr := ErrorCreate("failed to create local file on host FS",
"file_create_error",
map[string]interface{}{
"file_path_str": pFilePathStr,
}, err, "gf_core", pRuntimeSys)
return gfErr
}
_, err = f.WriteString(pContentStr)
if err != nil {
gfErr := ErrorCreate("failed to write content to a local file",
"file_write_error",
map[string]interface{}{"file_path_str": pFilePathStr,},
err, "gf_core", pRuntimeSys)
return gfErr
}
f.Sync()
return nil
}
//---------------------------------------------------
func FileCopy(pSourceFileLocalPathStr string,
pTargetFileLocalPathStr string,
pRuntimeSys *RuntimeSys) *GFerror {
sourceFileBytesLst, err := ioutil.ReadFile(pSourceFileLocalPathStr)
if err != nil {
gfErr := ErrorCreate("failed to read local file in order to copy it",
"file_read_error",
map[string]interface{}{"source_file_local_path": pSourceFileLocalPathStr,},
err, "gf_core", pRuntimeSys)
return gfErr
}
err = ioutil.WriteFile(pTargetFileLocalPathStr, sourceFileBytesLst, 0644)
if err != nil {
gfErr := ErrorCreate("failed to write local file in order to copy it",
"file_write_error",
map[string]interface{}{"target_file_local_path": pTargetFileLocalPathStr,},
err, "gf_core", pRuntimeSys)
return gfErr
}
return nil
}