445 lines
9.1 KiB
VimL
445 lines
9.1 KiB
VimL
scriptencoding utf-8
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let s:save_cpo = &cpo
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set cpo&vim
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let s:modules = [
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\ "Scroll",
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\ "CursorMove",
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\ "Delete",
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\ "HistAdd",
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\ "History",
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\ "Cancel",
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\ "Enter",
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\ "NoInsert",
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\ "InsertRegister",
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\]
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function! s:_vital_loaded(V)
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let s:V = a:V
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for module in s:modules
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let s:{module} = s:V.import('Over.Commandline.Modules.' . module)
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endfor
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let s:String = s:V.import("Over.String")
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let s:Signals = s:V.import("Over.Signals")
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let s:base.variables.modules = s:Signals.make()
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function! s:base.variables.modules.get_slot(val)
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return a:val.slot.module
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endfunction
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endfunction
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function! s:_vital_depends()
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return [
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\ "Over.String",
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\ "Over.Signals",
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\ ] + map(copy(s:modules), "'Over.Commandline.Modules.' . v:val")
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endfunction
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function! s:get_module(name)
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if exists("s:" . a:name)
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return s:{a:name}
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endif
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let s:{a:name} = s:V.import('Over.Commandline.Modules.' . a:name)
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return s:{a:name}
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endfunction
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function! s:make_plain(prompt)
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let result = s:make(a:prompt)
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let result.prompt = a:prompt
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call result.connect("Enter")
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call result.connect("Cancel")
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call result.connect(result, "_")
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return result
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endfunction
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function! s:make_standard(prompt)
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let result = s:make_plain(a:prompt)
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call result.connect("Delete")
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call result.connect("CursorMove")
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call result.connect("HistAdd")
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call result.connect("History")
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call result.connect("InsertRegister")
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call result.connect(s:get_module("NoInsert").make_special_chars())
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return result
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endfunction
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function! s:make(prompt)
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return deepcopy(s:base)
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endfunction
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let s:base = {
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\ "prompt" : "",
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\ "line" : {},
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\ "variables" : {
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\ "char" : "",
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\ "input" : "",
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\ "tap_key" : "",
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\ "exit" : 0,
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\ "keymapping" : {},
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\ },
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\ "highlights" : {
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\ "prompt" : "NONE",
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\ "cursor" : "OverCommandLineDefaultCursor",
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\ "cursor_on" : "OverCommandLineDefaultCursorOn",
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\ "cursor_insert" : "OverCommandLineDefaultOnCursor",
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\ },
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\}
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if exists("s:Signals")
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let s:base.variables.modules = s:Signals.make()
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function! s:base.variables.modules.get_slot(val)
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return a:val.slot.module
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endfunction
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endif
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function! s:base.getline()
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return self.line.str()
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endfunction
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function! s:base.setline(line)
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return self.line.set(a:line)
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endfunction
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function! s:base.char()
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return self.variables.char
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endfunction
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function! s:base.setchar(char)
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let self.variables.input = a:char
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endfunction
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function! s:base.getpos()
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return self.line.pos()
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endfunction
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function! s:base.setpos(pos)
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return self.line.set_pos(a:pos)
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endfunction
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function! s:base.tap_keyinput(key)
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let self.variables.tap_key = a:key
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endfunction
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function! s:base.untap_keyinput(key)
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if self.variables.tap_key == a:key
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let self.variables.tap_key = ""
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return 1
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endif
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endfunction
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function! s:base.get_tap_key()
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return self.variables.tap_key
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endfunction
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function! s:base.is_input(key, ...)
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let prekey = get(a:, 1, "")
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return self.get_tap_key() == prekey
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\ && self.char() == a:key
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" \ && self.char() == (prekey . a:key)
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endfunction
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function! s:base.input_key()
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return self.variables.input_key
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endfunction
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function! s:base.insert(word, ...)
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if a:0
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call self.line.set(a:1)
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endif
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call self.line.input(a:word)
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endfunction
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function! s:base.forward()
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return self.line.forward()
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endfunction
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function! s:base.backward()
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return self.line.backward()
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endfunction
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function! s:base.connect(module, ...)
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if type(a:module) == type("")
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return call(self.connect, [s:get_module(a:module).make()] + a:000, self)
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endif
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let name = a:0 > 0 ? a:1 : a:module.name
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let slot = self.variables.modules.find_first_by("get(v:val.slot, 'name', '') == " . string(name))
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if empty(slot)
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call self.variables.modules.connect({ "name" : name, "module" : a:module })
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else
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let slot.slot.module = a:module
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endif
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" let self.variables.modules[name] = a:module
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endfunction
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function! s:base.disconnect(name)
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return self.variables.modules.disconnect_by(
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\ "get(v:val.slot, 'name', '') == " . string(a:name)
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\ )
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" unlet self.variables.modules[a:name]
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endfunction
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function! s:base.callevent(event)
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call self.variables.modules.sort_by("has_key(v:val.slot.module, 'priority') ? v:val.slot.module.priority('" . a:event . "') : 0")
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return self.variables.modules.call(a:event, [self])
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" call map(filter(copy(self.variables.modules), "has_key(v:val, a:event)"), "v:val." . a:event . "(self)")
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endfunction
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function! s:base.cmap(lhs, rhs)
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let self.variables.keymapping[a:lhs] = a:rhs
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endfunction
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function! s:base.cnoremap(lhs, rhs)
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let self.variables.keymapping[a:lhs] = {
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\ "key" : a:rhs,
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\ "noremap" : 1,
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\ }
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endfunction
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function! s:base.cunmap(lhs)
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unlet self.variables.keymapping[a:lhs]
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endfunction
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function! s:base.keymapping()
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return {}
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endfunction
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function! s:base.execute()
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execute self.getline()
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endfunction
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function! s:base.exit(...)
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let self.variables.exit = 1
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let self.variables.exit_code = get(a:, 1, 0)
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endfunction
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" function! s:base.cancel()
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" call self.exit(1)
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" call self._on_cancel()
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" endfunction
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function! s:base.exit_code()
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return self.variables.exit_code
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endfunction
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function! s:base.hl_cursor_on()
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if exists("self.variables.old_guicursor")
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set guicursor&
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let &guicursor = self.variables.old_guicursor
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unlet self.variables.old_guicursor
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endif
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if exists("self.variables.old_t_ve")
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let &t_ve = self.variables.old_t_ve
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unlet self.variables.old_t_ve
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endif
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endfunction
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function! s:base.hl_cursor_off()
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if exists("self.variables.old_t_ve")
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return
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endif
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let self.variables.old_guicursor = &guicursor
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set guicursor=a:-NONE
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let self.variables.old_t_ve = &t_ve
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set t_ve=
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endfunction
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function! s:base.start(...)
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let exit_code = call(self._main, a:000, self)
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if exit_code == 0
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call self._execute()
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endif
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endfunction
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function! s:base.get(...)
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let exit_code = call(self._main, a:000, self)
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if exit_code == 0
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return self.getline()
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endif
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return ""
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endfunction
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function! s:base._init()
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let self.variables.tap_key = ""
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let self.variables.char = ""
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let self.variables.input = ""
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let self.variables.exit = 0
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let self.variables.exit_code = 1
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call self.hl_cursor_off()
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if !hlexists("OverCommandLineDefaultCursor")
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highlight link OverCommandLineDefaultCursor Cursor
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endif
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if !hlexists("OverCommandLineDefaultCursorOn")
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highlight link OverCommandLineDefaultCursorOn OverCommandLineDefaultCursor
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endif
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if !hlexists("OverCommandLineDefaultCursorInsert")
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highlight OverCommandLineDefaultCursorInsert cterm=underline term=underline gui=underline
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endif
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endfunction
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function! s:base._execute()
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call s:redraw()
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call self.callevent("on_execute_pre")
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try
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call self.execute()
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catch
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echohl ErrorMsg
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echo matchstr(v:exception, 'Vim\((\w*)\)\?:\zs.*\ze')
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echohl None
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call self.callevent("on_execute_failed")
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finally
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call self.callevent("on_execute")
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endtry
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endfunction
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function! s:base._main(...)
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try
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call self._init()
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let self.line = deepcopy(s:String.make(get(a:, 1, "")))
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call self.callevent("on_enter")
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while !self._is_exit()
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call s:_echo_cmdline(self)
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let self.variables.input_key = s:_getchar()
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let self.variables.char = s:_unmap(self._get_keymapping(), self.variables.input_key)
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" let self.variables.char = s:_unmap(self._get_keymapping(), self.get_tap_key() . self.variables.input_key)
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call self.setchar(self.variables.char)
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call self.callevent("on_char_pre")
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call self.insert(self.variables.input)
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call self.callevent("on_char")
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endwhile
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catch
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echohl ErrorMsg | echo v:throwpoint . " " . v:exception | echohl None
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return -1
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finally
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call self._finish()
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call s:redraw()
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call self.callevent("on_leave")
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endtry
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return self.exit_code()
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endfunction
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function! s:base._finish()
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call self.hl_cursor_on()
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endfunction
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function! s:_echo_cmdline(cmdline)
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call s:redraw()
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execute "echohl" a:cmdline.highlights.prompt
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echon a:cmdline.prompt
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echohl NONE
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echon a:cmdline.backward()
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if empty(a:cmdline.line.pos_word())
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execute "echohl" a:cmdline.highlights.cursor
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echon ' '
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else
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execute "echohl" a:cmdline.highlights.cursor_on
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echon a:cmdline.line.pos_word()
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endif
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echohl NONE
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echon a:cmdline.forward()
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endfunction
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function! s:base._is_exit()
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return self.variables.exit
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endfunction
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function! s:_as_key_config(config)
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let base = {
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\ "noremap" : 0,
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\ "lock" : 0,
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\ }
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return type(a:config) == type({}) ? extend(base, a:config)
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\ : extend(base, {
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\ "key" : a:config,
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\ })
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endfunction
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function! s:_unmap(mapping, key)
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if !has_key(a:mapping, a:key)
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return a:key
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endif
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let rhs = s:_as_key_config(a:mapping[a:key])
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let next = s:_as_key_config(get(a:mapping, rhs.key, {}))
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if rhs.noremap && next.lock == 0
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return rhs.key
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endif
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return s:_unmap(a:mapping, rhs.key)
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endfunction
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function! s:base._get_keymapping()
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let result = {}
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" for module in values(self.variables.modules)
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for module in self.variables.modules.slots()
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if has_key(module, "keymapping")
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if module isnot self
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call extend(result, module.keymapping(self))
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endif
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endif
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endfor
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return extend(extend(result, self.variables.keymapping), self.keymapping())
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endfunction
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function! s:redraw()
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redraw
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echo ""
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endfunction
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function! s:_getchar()
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let char = getchar()
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return type(char) == type(0) ? nr2char(char) : char
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endfunction
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let &cpo = s:save_cpo
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unlet s:save_cpo
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