first commit.

autoload/vital/_brightest/Coaster/Search.vim

@@ -0,0 +1,62 @@
+scriptencoding utf-8
+let s:save_cpo = &cpo
+set cpo&vim
+
+
+function! s:_vital_loaded(V)
+	let s:V = a:V
+	let s:Buffer = s:V.import("Coaster.Buffer")
+endfunction
+
+
+function! s:_vital_depends()
+	return [
+\	]
+endfunction
+
+
+function! s:region(pattern, ...)
+	let flag_first = get(a:, 1, "")
+	let flag_last  = get(a:, 2, "")
+	return [searchpos(a:pattern, flag_first), searchpos(a:pattern, flag_last)]
+endfunction
+
+
+function! s:region_pair(fist, last, ...)
+	" todo
+endfunction
+
+
+function! s:pattern_in_range(wise, first, last, pattern)
+	if a:first == a:last
+		return printf('\%%%dl\%%%dc', a:first[0], a:first[1])
+	elseif a:first[0] == a:last[0]
+		return printf('\%%%dl\%%>%dc%s\%%<%dc', a:first[0], a:first[1]-1, a:pattern, a:last[1]+1)
+	elseif a:last[0] - a:first[0] == 1
+		return  printf('\%%%dl%s\%%>%dc', a:first[0], a:pattern, a:first[1]-1)
+\		. "\\|" . printf('\%%%dl%s\%%<%dc', a:last[0], a:pattern, a:last[1]+1)
+	else
+		return  printf('\%%%dl%s\%%>%dc', a:first[0], a:pattern, a:first[1]-1)
+\		. "\\|" . printf('\%%>%dl%s\%%<%dl', a:first[0], a:pattern, a:last[0])
+\		. "\\|" . printf('\%%%dl%s\%%<%dc', a:last[0], a:pattern, a:last[1]+1)
+	endif
+endfunction
+
+
+function! s:pattern_by_range(wise, first, last)
+	return s:pattern_in_range(a:wise, a:first, a:last, '.\{-}')
+endfunction
+
+
+function! s:text_by_pattern(pattern, ...)
+	let flag = get(a:, 1, "")
+	let [first, last] = s:region(a:pattern, "c" . flag, "ce" . flag)
+	if first == [0, 0] || last == [0, 0]
+	endif
+	let result = s:Buffer.get_text_from_region([0] + first + [0], [0] + last + [0], "v")
+	return result
+endfunction
+
+
+let &cpo = s:save_cpo
+unlet s:save_cpo