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
|
/*
* Copyright (C) 2012-2015 Robin Haberkorn
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __IOVIEW_H
#define __IOVIEW_H
#include <string.h>
#include <glib.h>
#include <glib/gstdio.h>
#include <glib/gprintf.h>
#include "sciteco.h"
#include "interface.h"
#include "undo.h"
namespace SciTECO {
/*
* Auxiliary functions
*/
/**
* Get absolute/full version of a possibly relative path.
* Works with existing and non-existing paths (in the latter case,
* heuristics may be applied.)
*
* @param path Possibly relative path name.
* @return Newly-allocated absolute path name.
*/
gchar *get_absolute_path(const gchar *path);
/**
* Normalize path or file name.
*
* This changes the directory separators
* to forward slash (on platforms that support
* different directory separator styles).
*
* @param path The path to normalize.
* It is changed in place.
* @return Returns `path`. The return value
* may be ignored.
*/
static inline gchar *
normalize_path(gchar *path)
{
#if G_DIR_SEPARATOR != '/'
return g_strdelimit(path, G_DIR_SEPARATOR_S, '/');
#else
return path;
#endif
}
bool file_is_visible(const gchar *path);
/**
* This gets the length of a file name's directory
* component including any trailing directory separator.
* It returns 0 if the file name does not have a directory
* separator.
* This is useful when constructing file names in the same
* directory as an existing one, keeping the exact same
* directory component (globbing, tab completion...).
* Also if it returns non-0, this can be used to look up
* the last used directory separator in the file name.
*/
static inline gsize
file_get_dirname_len(const gchar *path)
{
gsize len = 0;
for (const gchar *p = path; *p; p++)
if (G_IS_DIR_SEPARATOR(*p))
len = p - path + 1;
return len;
}
class IOView : public ViewCurrent {
class UndoTokenRemoveFile : public UndoToken {
gchar *filename;
public:
UndoTokenRemoveFile(const gchar *_filename)
: filename(g_strdup(_filename)) {}
~UndoTokenRemoveFile()
{
g_free(filename);
}
void
run(void)
{
g_unlink(filename);
}
gsize
get_size(void) const
{
return sizeof(*this) + strlen(filename) + 1;
}
};
public:
static GIOStatus channel_read_with_eol(GIOChannel *channel,
gchar *buffer, gsize buffer_len,
gsize &read_len,
guint &offset, gsize &block_len,
gint &state, gint &eol_style,
gboolean &eol_style_inconsistent,
GError **error = NULL);
GIOStatus load(GIOChannel *channel, GError **error = NULL);
void load(const gchar *filename);
GIOStatus save(GIOChannel *channel, guint position, gsize len,
gsize *bytes_written, gint &state, GError **error = NULL);
gboolean save(GIOChannel *channel, GError **error = NULL);
void save(const gchar *filename);
};
} /* namespace SciTECO */
#endif
|
