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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
-- Copyright 2007-2009 Mitchell mitchell<att>caladbolg.net. See LICENSE.
local textadept = _G.textadept
local find = textadept.find
---
-- [Local table] Text escape sequences with their associated characters.
-- @class table
-- @name escapes
local escapes = {
['\\a'] = '\a', ['\\b'] = '\b', ['\\f'] = '\f', ['\\n'] = '\n',
['\\r'] = '\r', ['\\t'] = '\t', ['\\v'] = '\v', ['\\\\'] = '\\'
}
---
-- Finds and selects text in the current buffer.
-- This is used by the find dialog. It is recommended to use the buffer:find()
-- function for scripting.
-- @param text The text to find.
-- @param next Flag indicating whether or not the search direction is forward.
-- @param flags Search flags. This is a number mask of 4 flags: match case (2),
-- whole word (4), Lua pattern (8), and in files (16) joined with binary OR.
-- If nil, this is determined based on the checkboxes in the find box.
-- @param nowrap Flag indicating whether or not the search won't wrap.
-- @param wrapped Utility flag indicating whether or not the search has wrapped
-- for displaying useful statusbar information. This flag is used and set
-- internally, and should not be set otherwise.
function find.find(text, next, flags, nowrap, wrapped)
local buffer = buffer
local locale = textadept.locale
local first_visible_line = buffer.first_visible_line -- for 'no results found'
local increment
if buffer.current_pos == buffer.anchor then
increment = 0
elseif not wrapped then
increment = next and 1 or -1
end
if not flags then
local find, c = find, textadept.constants
flags = 0
if find.match_case then flags = flags + c.SCFIND_MATCHCASE end
if find.whole_word then flags = flags + c.SCFIND_WHOLEWORD end
if find.lua then flags = flags + 8 end
if find.in_files then flags = flags + 16 end
end
local result
find.captures = nil
text = text:gsub('\\[abfnrtv\\]', escapes)
if flags < 8 then
buffer:goto_pos(buffer[next and 'current_pos' or 'anchor'] + increment)
buffer:search_anchor()
if next then
result = buffer:search_next(flags, text)
else
result = buffer:search_prev(flags, text)
end
if result then buffer:scroll_caret() end
elseif flags < 16 then -- lua pattern search (forward search only)
local buffer_text = buffer:get_text(buffer.length)
local results = { buffer_text:find(text, buffer.anchor + increment) }
if #results > 0 then
result = results[1]
find.captures = { unpack(results, 3) }
buffer:set_sel(results[2], result - 1)
else
result = -1
end
else -- find in files
local dir =
cocoa_dialog('fileselect', {
title = locale.FIND_IN_FILES_TITLE,
text = locale.FIND_IN_FILES_TEXT,
['select-only-directories'] = true,
['with-directory'] = (buffer.filename or ''):match('^.+[/\\]'),
['no-newline'] = true
})
if #dir > 0 then
if not find.lua then text = text:gsub('([().*+?^$%%[%]-])', '%%%1') end
if find.whole_word then text = '[^%W_]'..text..'[^%W_]' end
local lfs = require 'lfs'
local match_case = find.match_case
local whole_word = find.whole_word
local format = string.format
local matches = {}
function search_file(file)
local line_num = 1
for line in io.lines(file) do
local optimized_line = line
if not match_case then optimized_line = line:lower() end
if whole_word then optimized_line = ' '..line..' ' end
if string.find(optimized_line, text) then
matches[#matches + 1] = format('%s:%s:%s', file, line_num, line)
end
line_num = line_num + 1
end
end
function search_dir(directory)
for file in lfs.dir(directory) do
if not file:match('^%.') then
local path = directory..'/'..file
local type = lfs.attributes(path).mode
if type == 'directory' then
search_dir(path)
elseif type == 'file' then
search_file(path)
end
end
end
end
search_dir(dir)
if #matches == 0 then matches[1] = locale.FIND_NO_RESULTS end
textadept._print('shows_files_found', table.concat(matches, '\n'))
end
return
end
if result == -1 and not nowrap and not wrapped then -- wrap the search
local anchor, pos = buffer.anchor, buffer.current_pos
if next or flags >= 8 then
buffer:goto_pos(0)
else
buffer:goto_pos(buffer.length)
end
textadept.statusbar_text = locale.FIND_SEARCH_WRAPPED
result = find.find(text, next, flags, true, true)
if not result then
textadept.statusbar_text = locale.FIND_NO_RESULTS
buffer:line_scroll(0, first_visible_line)
buffer:goto_pos(anchor)
end
return result
elseif result ~= -1 and not wrapped then
textadept.statusbar_text = ''
end
return result ~= -1
end
---
-- Replaces found text.
-- This function is used by the find dialog. It is not recommended to call it
-- via scripts.
-- textadept.find.find is called first, to select any found text. The selected
-- text is then replaced by the specified replacement text.
-- @param rtext The text to replace found text with. It can contain both Lua
-- capture items (%n where 1 <= n <= 9) for Lua pattern searches and %()
-- sequences for embedding Lua code for any search.
function find.replace(rtext)
if #buffer:get_sel_text() == 0 then return end
local buffer = buffer
buffer:target_from_selection()
rtext = rtext:gsub('%%%%', '\\037') -- escape '%%'
if find.captures then
for i, v in ipairs(find.captures) do
v = v:gsub('%%', '%%%%') -- escape '%' for gsub
rtext = rtext:gsub('%%'..i, v)
end
end
local ret, rtext = pcall(rtext.gsub, rtext, '%%(%b())',
function(code)
local locale = textadept.locale
local ret, val = pcall(loadstring('return '..code))
if not ret then
cocoa_dialog('msgbox', {
title = locale.FIND_ERROR_DIALOG_TITLE,
text = locale.FIND_ERROR_DIALOG_TEXT,
['informative-text'] = val:gsub('"', '\\"')
})
error()
end
return val
end)
if ret then
rtext = rtext:gsub('\\037', '%%') -- unescape '%'
buffer:replace_target(rtext:gsub('\\[abfnrtv\\]', escapes))
buffer:goto_pos(buffer.target_end + 1) -- 'find' text after this replacement
else
-- Since find is called after replace returns, have it 'find' the current
-- text again, rather than the next occurance so the user can fix the error.
buffer:goto_pos(buffer.current_pos)
end
end
---
-- Replaces all found text.
-- This function is used by the find dialog. It is not recommended to call it
-- via scripts.
-- @param ftext The text to find.
-- @param rtext The text to replace found text with.
-- @param flags The number mask identical to the one in 'find'.
-- @see find.find
function find.replace_all(ftext, rtext, flags)
buffer:goto_pos(0)
local count = 0
while(find.find(ftext, true, flags, true)) do
find.replace(rtext)
count = count + 1
end
textadept.statusbar_text =
string.format(textadept.locale.FIND_REPLACEMENTS_MADE, tostring(count))
end
---
-- When the user double-clicks a found file, go to the line in the file the text
-- was found at.
-- @param pos The position of the caret.
-- @param line_num The line double-clicked.
function goto_file(pos, line_num)
if buffer.shows_files_found then
line = buffer:get_line(line_num)
local file, line_num = line:match('^(.+):(%d+):.+$')
textadept.io.open(file)
buffer:ensure_visible_enforce_policy(line_num - 1)
buffer:goto_line(line_num - 1)
end
end
textadept.events.add_handler('double_click', goto_file)
|
