blob: e7d7d5c2b94a8fedb8f0dc9276cd578fcc09d8c0 (
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
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
|
#include "buffer_manager.hh"
#include "assert.hh"
#include "buffer.hh"
#include "client_manager.hh"
#include "containers.hh"
#include "exception.hh"
#include "file.hh"
#include "string.hh"
namespace Kakoune
{
struct name_not_unique : runtime_error
{
name_not_unique() : runtime_error("buffer name is already in use") {}
};
BufferManager::~BufferManager()
{
// delete remaining buffers
while (not m_buffers.empty())
delete m_buffers.front().get();
}
void BufferManager::register_buffer(Buffer& buffer)
{
StringView name = buffer.name();
for (auto& buf : m_buffers)
{
if (buf->name() == name)
throw name_not_unique();
}
m_buffers.emplace(m_buffers.begin(), &buffer);
}
void BufferManager::unregister_buffer(Buffer& buffer)
{
for (auto it = m_buffers.begin(); it != m_buffers.end(); ++it)
{
if (it->get() == &buffer)
{
m_buffers.erase(it);
return;
}
}
for (auto it = m_buffer_trash.begin(); it != m_buffer_trash.end(); ++it)
{
if (it->get() == &buffer)
{
m_buffer_trash.erase(it);
return;
}
}
kak_assert(false);
}
void BufferManager::delete_buffer(Buffer& buffer)
{
auto it = find_if(m_buffers, [&](const SafePtr<Buffer>& p)
{ return p.get() == &buffer; });
kak_assert(it != m_buffers.end());
if (ClientManager::has_instance())
ClientManager::instance().ensure_no_client_uses_buffer(buffer);
m_buffers.erase(it);
m_buffer_trash.emplace_back(&buffer);
}
Buffer* BufferManager::get_buffer_ifp(StringView name)
{
auto path = real_path(parse_filename(name));
for (auto& buf : m_buffers)
{
if (buf->name() == name or
(buf->flags() & Buffer::Flags::File and buf->name() == path))
return buf.get();
}
return nullptr;
}
Buffer& BufferManager::get_buffer(StringView name)
{
Buffer* res = get_buffer_ifp(name);
if (not res)
throw runtime_error(format("no such buffer '{}'", name));
return *res;
}
void BufferManager::set_last_used_buffer(Buffer& buffer)
{
auto it = find_if(m_buffers, [&buffer](const SafePtr<Buffer>& p)
{ return p.get() == &buffer; });
kak_assert(it != m_buffers.end());
m_buffers.erase(it);
m_buffers.emplace(m_buffers.begin(), &buffer);
}
void BufferManager::backup_modified_buffers()
{
for (auto& buf : m_buffers)
{
if ((buf->flags() & Buffer::Flags::File) and buf->is_modified())
write_buffer_to_backup_file(*buf);
}
}
void BufferManager::clear_buffer_trash()
{
while (not m_buffer_trash.empty())
{
Buffer* buffer = m_buffer_trash.back().get();
// Do that again, to be tolerant in some corner cases, where a buffer is
// deleted during its creation
if (ClientManager::has_instance())
ClientManager::instance().ensure_no_client_uses_buffer(*buffer);
delete buffer;
}
}
}
|
