Files
deb-lite-xl/data/core/doc/search.lua
T
AdamandGitHub 248d70a8ca Add PCRE to support regular expressions
Use regular expressions instead of Lua patterns for find and replace editor commands.

Syntax files can now use regex or Lua patterns as before keeping backward compatibility for plugins.
2021-06-02 21:27:00 +02:00

61 lines
1.2 KiB
Lua

local search = {}
local default_opt = {}
local function pattern_lower(str)
if str:sub(1, 1) == "%" then
return str
end
return str:lower()
end
local function init_args(doc, line, col, text, opt)
opt = opt or default_opt
line, col = doc:sanitize_position(line, col)
if opt.no_case and not opt.regex then
text = text:lower()
end
return doc, line, col, text, opt
end
function search.find(doc, line, col, text, opt)
doc, line, col, text, opt = init_args(doc, line, col, text, opt)
local re
if opt.regex then
re = regex.compile(text, opt.no_case and "i" or "")
end
for line = line, #doc.lines do
local line_text = doc.lines[line]
if opt.regex then
local s, e = re:cmatch(line_text, col)
if s then
return line, s, line, e
end
col = 1
else
if opt.no_case then
line_text = line_text:lower()
end
local s, e = line_text:find(text, col, true)
if s then
return line, s, line, e + 1
end
col = 1
end
end
if opt.wrap then
opt = { no_case = opt.no_case, regex = opt.regex }
return search.find(doc, 1, 1, text, opt)
end
end
return search