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
|
-- mod-version:3
local core = require "core"
local keymap = require "core.keymap"
local command = require "core.command"
-- Takes the following pattern: /pattern/replace/
-- Capture groupings can be replaced using \1 through \9
local function regex_replace_file(view, pattern, old_lines, raw, start_line, end_line)
local doc = view.doc
local start_pattern, end_pattern, end_replacement, start_replacement = 2, 2;
repeat
end_pattern = string.find(pattern, "/", end_pattern)
until end_pattern == nil or pattern[end_pattern-1] ~= "\\"
if end_pattern == nil then
end_pattern = #pattern + 1
else
end_pattern = end_pattern - 1
start_replacement = end_pattern+2;
end_replacement = end_pattern+2;
repeat
end_replacement = string.find(pattern, "/", end_replacement)
until end_replacement == nil or pattern[end_replacement-1] ~= "\\"
end
end_replacement = end_replacement and (end_replacement - 1)
local re = start_pattern ~= end_pattern
and regex.compile(pattern:sub(start_pattern, end_pattern))
local replacement = end_replacement and pattern:sub(
start_replacement, end_replacement
)
local replace_line = raw and function(line, new_text)
if line == #doc.lines then
doc:raw_remove(line, 1, line, #doc.lines[line], { idx = 1 }, 0)
else
doc:raw_remove(line, 1, line+1, 1, { idx = 1 }, 0)
end
doc:raw_insert(line, 1, new_text, { idx = 1 }, 0)
end or function(line, new_text)
if line == #doc.lines then
doc:remove(line, 1, line, #doc.lines[line])
else
doc:remove(line, 1, line+1, 1)
end
doc:insert(line, 1, new_text)
end
local line_scroll = nil
if re then
for i = (start_line or 1), (end_line or #doc.lines) do
local new_text, matches, rmatches
local old_text = old_lines[i] or doc.lines[i]
local old_length = #old_text
if replacement then
new_text, matches, rmatches = regex.gsub(re, old_text, replacement)
end
if matches and #matches > 0 then
old_lines[i] = old_text
replace_line(i, new_text)
if line_scroll == nil then
line_scroll = i
doc:set_selection(i, rmatches[1][1], i, rmatches[1][2])
end
elseif old_lines[i] then
replace_line(i, old_lines[i])
old_lines[i] = nil
end
if not replacement then
local s,e = regex.match(re, old_text)
if s then
line_scroll = i
doc:set_selection(i, s, i, e)
break
end
end
end
if line_scroll then
view:scroll_to_line(line_scroll, true)
end
end
if replacement == nil then
for k,v in pairs(old_lines) do
replace_line(k, v)
end
old_lines = {}
end
return old_lines, line_scroll ~= nil
end
command.add("core.docview!", {
["regex-replace-preview:find-replace-regex"] = function(view)
local old_lines = {}
local doc = view.doc
local original_selection = { doc:get_selection(true) }
local selection = doc:has_selection() and { doc:get_selection(true) } or {}
core.command_view:enter("Regex Replace (enter pattern as /old/new/)", {
text = "/",
submit = function(pattern)
regex_replace_file(view, pattern, {}, false, selection[1], selection[3])
end,
suggest = function(pattern)
local incremental, has_replacement = regex_replace_file(
view, pattern, old_lines, true, selection[1], selection[3]
)
if incremental then
old_lines = incremental
end
if not has_replacement then
doc:set_selection(table.unpack(original_selection))
end
end,
cancel = function(pattern)
for k,v in pairs(old_lines) do
if v then
if k == #doc.lines then
doc:raw_remove(k, 1, k, #doc.lines[k], { idx = 1 }, 0)
else
doc:raw_remove(k, 1, k+1, 1, { idx = 1 }, 0)
end
doc:raw_insert(k, 1, v, { idx = 1 }, 0)
end
end
doc:set_selection(table.unpack(original_selection))
end
})
end
})
keymap.add { ["ctrl+shift+r"] = "regex-replace-preview:find-replace-regex" }
|
