From 9890c99d0bb4cefbf134c265888fbe60fea42c8c Mon Sep 17 00:00:00 2001 From: Steven Barth Date: Mon, 8 Sep 2008 14:39:47 +0000 Subject: UVL optimizations round 1 --- libs/uvl/luasrc/uvl.lua | 104 +++++++++++++++++++++++------------------------- 1 file changed, 49 insertions(+), 55 deletions(-) (limited to 'libs/uvl/luasrc/uvl.lua') diff --git a/libs/uvl/luasrc/uvl.lua b/libs/uvl/luasrc/uvl.lua index 98e7dfba6..8610a26d1 100644 --- a/libs/uvl/luasrc/uvl.lua +++ b/libs/uvl/luasrc/uvl.lua @@ -23,12 +23,13 @@ module( "luci.uvl", package.seeall ) require("luci.fs") require("luci.util") -require("luci.model.uci") +local uci = require("luci.model.uci") require("luci.uvl.errors") require("luci.uvl.datatypes") require("luci.uvl.validation") require("luci.uvl.dependencies") +local cursor = uci.cursor() TYPE_SCHEME = 0x00 TYPE_CONFIG = 0x01 @@ -831,48 +832,37 @@ function uvlitem.sid(self) end function uvlitem.scheme(self, opt) - local s - - if #self.sref == 4 or #self.sref == 3 then - s = self.s and self.s.packages - s = s and s[self.sref[1]] - s = s and s.variables - s = s and s[self.sref[2]] - s = s and s[self.sref[3]] - elseif #self.sref == 2 then - s = self.s and self.s.packages - s = s and s[self.sref[1]] - s = s and s.sections - s = s and s[self.sref[2]] - else - s = self.s and self.s.packages - s = s and s[self.sref[1]] - end + local s = self._scheme - if s and opt then - return s[opt] - elseif s then - return s + if not s then + s = self.s and self.s.packages and s[self.sref[1]] + if #self.sref > 1 then + s = s and s.sections and s[self.sref[2]] + end + if #self.sref > 2 then + s = s and s[self.sref[2]] and s[self.sref[3]] + end + self._scheme = s end + + return opt and (s and s[opt]) or s end function uvlitem.config(self, opt) - local c + local c = self._config - if #self.cref == 4 or #self.cref == 3 then - c = self.c and self.c[self.cref[2]] or nil - c = c and c[self.cref[3]] or nil - elseif #self.cref == 2 then - c = self.c and self.c[self.cref[2]] or nil - else + if not c then c = self.c + if #self.cref > 1 then + c = c and self.c[self.cref[2]] + end + if #self.cref > 2 then + c = c and c[self.cref[3]] + end + self._config = c end - if c and opt then - return c[opt] - elseif c then - return c - end + return opt and (c and c[opt]) or c end function uvlitem.title(self) @@ -881,15 +871,14 @@ function uvlitem.title(self) end function uvlitem.type(self) - if self.t == luci.uvl.TYPE_CONFIG then - return 'config' - elseif self.t == luci.uvl.TYPE_SECTION then - return 'section' - elseif self.t == luci.uvl.TYPE_OPTION then - return 'option' - elseif self.t == luci.uvl.TYPE_ENUM then - return 'enum' - end + local _t = { + [TYPE_CONFIG] = 'config', + [TYPE_SECTION] = 'section', + [TYPE_OPTION] = 'option', + [TYPE_ENUM] = 'enum' + } + + return _t[self.t] end function uvlitem.error(self, ...) @@ -913,22 +902,27 @@ function uvlitem.parent(self) if self.p then return self.p elseif #self.cref == 3 or #self.cref == 4 then - return luci.uvl.section( self.s, self.c, self.cref[1], self.cref[2] ) + return section( self.s, self.c, self.cref[1], self.cref[2] ) elseif #self.cref == 2 then - return luci.uvl.config( self.s, self.c, self.cref[1] ) + return config( self.s, self.c, self.cref[1] ) else return nil end end +-- Shared cache +uvlitem._ucicache = {} + function uvlitem._loadconf(self, co, c) + co = co or self._ucicache[c] if not co then - local uci, err = luci.model.uci.cursor(), nil - co, err = uci:get_all(c) + local co, err = cursor:get_all(c) if err then self:error(ERR.UCILOAD(self, err)) end + + self._ucicache[c] = co end return co end @@ -957,7 +951,7 @@ function scheme.__init__(self, scheme, co, c) self.sref = { c } self.c = self:_loadconf(co, c) self.s = scheme - self.t = luci.uvl.TYPE_SCHEME + self.t = TYPE_SCHEME end --- Add an error to scheme. @@ -970,7 +964,7 @@ end --- Get an associated config object. -- @return Config instance function scheme.config(self) - local co = luci.uvl.config( self.s, self.cref[1] ) + local co = config( self.s, self.cref[1] ) co.p = self return co @@ -982,7 +976,7 @@ function scheme.sections(self) local v = { } if self.s.packages[self.sref[1]].sections then for o, _ in pairs( self.s.packages[self.sref[1]].sections ) do - table.insert( v, luci.uvl.option( + table.insert( v, option( self.s, self.c, self.cref[1], self.cref[2], o ) ) end @@ -994,7 +988,7 @@ end -- @param s Section to select -- @return Section instance function scheme.section(self, s) - local so = luci.uvl.section( self.s, self.c, self.cref[1], s ) + local so = section( self.s, self.c, self.cref[1], s ) so.p = self return so @@ -1024,7 +1018,7 @@ function config.__init__(self, scheme, co, c) self.sref = { c } self.c = self:_loadconf(co, c) self.s = scheme - self.t = luci.uvl.TYPE_CONFIG + self.t = TYPE_CONFIG end --- Get all section objects associated with this config. @@ -1072,7 +1066,7 @@ function section.__init__(self, scheme, co, c, s) self.sref = { c, co and co[s] and co[s]['.type'] or s } self.c = self:_loadconf(co, c) self.s = scheme - self.t = luci.uvl.TYPE_SECTION + self.t = TYPE_SECTION end --- Get all option objects associated with this section. @@ -1123,7 +1117,7 @@ function option.__init__(self, scheme, co, c, s, o) self.sref = { c, co and co[s] and co[s]['.type'] or s, o } self.c = self:_loadconf(co, c) self.s = scheme - self.t = luci.uvl.TYPE_OPTION + self.t = TYPE_OPTION end --- Get the value of this option. @@ -1176,5 +1170,5 @@ function enum.__init__(self, scheme, co, c, s, o, v) self.sref = { c, co and co[s] and co[s]['.type'] or s, o, v } self.c = self:_loadconf(co, c) self.s = scheme - self.t = luci.uvl.TYPE_ENUM + self.t = TYPE_ENUM end -- cgit v1.2.3