build: remove some obsolete support scripts
[project/luci.git] / libs / uvl / luasrc / uvl.lua
index 7f149cf..d2ea4bd 100644 (file)
@@ -28,11 +28,11 @@ local string = require "string"
 
 local require, pcall, ipairs, pairs = require, pcall, ipairs, pairs
 local type, error, tonumber, tostring = type, error, tonumber, tostring
-local unpack, loadfile = unpack, loadfile
+local unpack, loadfile, collectgarbage = unpack, loadfile, collectgarbage
 
 module "luci.uvl"
 
-local ERR = require "luci.uvl.errors"
+local ERR = require "luci.uvl.errors".error
 local datatypes = require "luci.uvl.datatypes"
 local validation = require "luci.uvl.validation"
 local dependencies = require "luci.uvl.dependencies"
@@ -43,6 +43,10 @@ local TYPE_SECTION  = 0x02
 local TYPE_OPTION   = 0x03
 local TYPE_ENUM     = 0x04
 
+local PAT_EXPR1                = "^%$?[%w_]+$"
+local PAT_EXPR2                = "^%$?[%w_]+%.%$?[%w_]+$"
+local PAT_EXPR3                = "^%$?[%w_]+%.%$?[%w_]+%.%$?[%w_]+$"
+
 --- Boolean; default true;
 -- treat sections found in config but not in scheme as error
 STRICT_UNKNOWN_SECTIONS    = true
@@ -161,7 +165,7 @@ function UVL.validate_config( self, cfg, uci )
                for k, v in pairs(co:config()) do
                        local so = co:section(k)
                        if not self.beenthere[so:cid()] then
-                               co:error(ERR.SECT_UNKNOWN(so))
+                               co:error(ERR('SECT_UNKNOWN', so))
                        end
                end
        end
@@ -169,9 +173,9 @@ function UVL.validate_config( self, cfg, uci )
        for _, k in ipairs(util.keys(sc)) do
                local so = co:section(k)
                if so:scheme('required') and sc[k] == 0 then
-                       co:error(ERR.SECT_REQUIRED(so))
+                       co:error(ERR('SECT_REQUIRED', so))
                elseif so:scheme('unique') and sc[k] > 1 then
-                       co:error(ERR.SECT_UNIQUE(so))
+                       co:error(ERR('SECT_UNIQUE', so))
                end
        end
 
@@ -205,7 +209,7 @@ function UVL.validate_section( self, cfg, section, uci )
        if so:config() then
                return self:_validate_section( so )
        else
-               return false, ERR.SECT_NOTFOUND(so)
+               return false, ERR('SECT_NOTFOUND', so)
        end
 end
 
@@ -235,7 +239,7 @@ function UVL.validate_option( self, cfg, section, option, uci )
        if so:config() and oo:config() then
                return self:_validate_option( oo )
        else
-               return false, ERR.OPT_NOTFOUND(oo)
+               return false, ERR('OPT_NOTFOUND', oo)
        end
 end
 
@@ -248,15 +252,15 @@ function UVL._validate_section( self, section )
                if section:scheme('named') == true and
                   section:config('.anonymous') == true
                then
-                       return false, ERR.SECT_NAMED(section)
+                       return false, ERR('SECT_NAMED', section)
                end
 
                for _, v in ipairs(section:variables()) do
                        local ok, err = self:_validate_option( v )
                        if not ok and (
                                v:scheme('required') or v:scheme('type') == "enum" or (
-                                       not err:is(ERR.ERR_DEP_NOTEQUAL) and
-                                       not err:is(ERR.ERR_DEP_NOVALUE)
+                                       not err:is('DEP_NOTEQUAL') and
+                                       not err:is('DEP_NOVALUE')
                                )
                        ) then
                                section:error(err)
@@ -268,14 +272,14 @@ function UVL._validate_section( self, section )
                        section:error(err)
                end
        else
-               return false, ERR.SECT_NOTFOUND(section)
+               return false, ERR('SECT_NOTFOUND', section)
        end
 
        if STRICT_UNKNOWN_OPTIONS and not section:scheme('dynamic') then
                for k, v in pairs(section:config()) do
                        local oo = section:option(k)
-                       if k:sub(1,1) ~= "." and not self.beenthere[oo:cid()] then
-                               section:error(ERR.OPT_UNKNOWN(oo))
+                       if k:byte(1) == 46 and not self.beenthere[oo:cid()] then
+                               section:error(ERR('OPT_UNKNOWN', oo))
                        end
                end
        end
@@ -289,7 +293,7 @@ function UVL._validate_option( self, option, nodeps )
 
        if not option:scheme() and not option:parent():scheme('dynamic') then
                if STRICT_UNKNOWN_OPTIONS then
-                       return false, option:error(ERR.OPT_UNKNOWN(option))
+                       return false, option:error(ERR('OPT_UNKNOWN', option))
                else
                        return true
                end
@@ -299,9 +303,9 @@ function UVL._validate_option( self, option, nodeps )
                        local ok, err = dependencies.check( self, option )
                        if not ok then
                                if not err:is_all(
-                                       ERR.ERR_OPT_REQUIRED,
-                                       ERR.ERR_DEP_NOTEQUAL,
-                                       ERR.ERR_DEP_NOVALUE
+                                       'OPT_REQUIRED',
+                                       'DEP_NOTEQUAL',
+                                       'DEP_NOVALUE'
                                ) then
                                        option:error(err)
                                        return false, option:errors()
@@ -312,7 +316,7 @@ function UVL._validate_option( self, option, nodeps )
                end
 
                if option:scheme('required') and not option:value() then
-                       return false, option:error(ERR.OPT_REQUIRED(option))
+                       return false, option:error(ERR('OPT_REQUIRED', option))
 
                elseif option:value() then
                        local val = option:value()
@@ -324,7 +328,8 @@ function UVL._validate_option( self, option, nodeps )
                                local config_values = ( type(val) == "table" and val or { val } )
                                for _, v in ipairs(config_values) do
                                        if not scheme_values[v] then
-                                               return false, option:error( ERR.OPT_BADVALUE(
+                                               return false, option:error( ERR(
+                                                       'OPT_BADVALUE',
                                                        option, { v, util.serialize_data(
                                                                util.keys(scheme_values)
                                                        ) }
@@ -333,7 +338,7 @@ function UVL._validate_option( self, option, nodeps )
                                end
                        elseif option:scheme('type') == "list" then
                                if type(val) ~= "table" and STRICT_LIST_TYPE then
-                                       return false, option:error(ERR.OPT_NOTLIST(option))
+                                       return false, option:error(ERR('OPT_NOTLIST', option))
                                end
                        end
 
@@ -345,12 +350,12 @@ function UVL._validate_option( self, option, nodeps )
                                        for i, v in ipairs(val) do
                                                if not self.datatypes[dt]( v ) then
                                                        return false, option:error(
-                                                               ERR.OPT_INVVALUE(option, { v, dt })
+                                                               ERR('OPT_INVVALUE', option, { v, dt })
                                                        )
                                                end
                                        end
                                else
-                                       return false, option:error(ERR.OPT_DATATYPE(option, dt))
+                                       return false, option:error(ERR('OPT_DATATYPE', option, dt))
                                end
                        end
 
@@ -358,13 +363,13 @@ function UVL._validate_option( self, option, nodeps )
                        for _, v in ipairs(val) do
                                if option:scheme('minlength') then
                                        if #v < option:scheme('minlength') then
-                                               return false, option:error(ERR.OPT_RANGE(option))
+                                               return false, option:error(ERR('OPT_RANGE', option))
                                        end
                                end
 
                                if option:scheme('maxlength') then
                                        if #v > option:scheme('maxlength') then
-                                               return false, option:error(ERR.OPT_RANGE(option))
+                                               return false, option:error(ERR('OPT_RANGE', option))
                                        end
                                end
 
@@ -372,13 +377,13 @@ function UVL._validate_option( self, option, nodeps )
 
                                if option:scheme('minimum') then
                                        if not w or w < option:scheme('minimum') then
-                                               return false, option:error(ERR.OPT_RANGE(option))
+                                               return false, option:error(ERR('OPT_RANGE', option))
                                        end
                                end
 
                                if option:scheme('maximum') then
                                        if not w or w > option:scheme('maximum') then
-                                               return false, option:error(ERR.OPT_RANGE(option))
+                                               return false, option:error(ERR('OPT_RANGE', option))
                                        end
                                end
                        end
@@ -410,7 +415,7 @@ function UVL.read_scheme( self, shm, alias )
                        local ok, err
                        for _, file in ipairs(files) do
                                if not fs.access(file) then
-                                       return false, so:error(ERR.SME_READ(so,file))
+                                       return false, so:error(ERR('SME_READ', so,file))
                                end
 
                                local uci = uci.cursor( fs.dirname(file), default_savedir )
@@ -419,7 +424,7 @@ function UVL.read_scheme( self, shm, alias )
                                local sd, err = uci:load( sname )
 
                                if not sd then
-                                       return false, ERR.UCILOAD(so, err)
+                                       return false, ERR('UCILOAD', so, err)
                                end
 
                                ok, err = pcall(function()
@@ -442,7 +447,7 @@ function UVL.read_scheme( self, shm, alias )
                        if ok and alias then self.packages[alias] = self.packages[shm] end
                        return ok and self, err
                else
-                       return false, so:error(ERR.SME_FIND(so, self.schemedir))
+                       return false, so:error(ERR('SME_FIND', so, self.schemedir))
                end
        else
                local sc = loadfile(bc)
@@ -450,7 +455,7 @@ function UVL.read_scheme( self, shm, alias )
                        self.packages[shm] = sc()
                        return true
                else
-                       return false, so:error(ERR.SME_READ(so,bc))
+                       return false, so:error(ERR('SME_READ',so,bc))
                end
        end
 end
@@ -469,7 +474,7 @@ local function _req( t, n, c, r )
                                o = enum( scheme, nil, p, '(nil)', '(nil)', n )
                        end
 
-                       return false, ERR.SME_REQFLD(o,v)
+                       return false, ERR('SME_REQFLD',o,v)
                end
        end
        return true
@@ -495,7 +500,7 @@ local function _ref( c, t )
        r[1] = ( #r[1] > 0 and r[1] or scheme:sid() )
 
        if #r ~= n then
-               return false, ERR.SME_BADREF(scheme, k)
+               return false, ERR('SME_BADREF', scheme, k)
        end
 
        return r
@@ -542,12 +547,12 @@ function UVL._parse_section(self, scheme, k, v)
        local so = scheme:section(v.name)
 
        for k, v2 in pairs(v) do
-               if k ~= "name" and k ~= "package" and k:sub(1,1) ~= "." then
+               if k ~= "name" and k ~= "package" and k:byte(1) == 46 then
                        if k == "depends" then
                                s.depends = self:_read_dependency( v2, s.depends )
                                if not s.depends then
                                        return false, scheme:error(
-                                               ERR.SME_BADDEP(so, util.serialize_data(s.depends))
+                                               ERR('SME_BADDEP', so, util.serialize_data(s.depends))
                                        )
                                end
                        elseif k == "dynamic" or k == "unique" or
@@ -577,14 +582,14 @@ function UVL._parse_var(self, scheme, k, v)
        local p = self.packages[r[1]]
        if not p then
                error(scheme:error(
-                       ERR.SME_VBADPACK({scheme:sid(), '', v.name}, r[1])
+                       ERR('SME_VBADPACK', {scheme:sid(), '', v.name}, r[1])
                ))
        end
 
        local s = p.variables[r[2]]
        if not s then
                error(scheme:error(
-                       ERR.SME_VBADSECT({scheme:sid(), '', v.name}, r[2])
+                       ERR('SME_VBADSECT', {scheme:sid(), '', v.name}, r[2])
                ))
        end
 
@@ -595,26 +600,26 @@ function UVL._parse_var(self, scheme, k, v)
        local to = so:option(v.name)
 
        for k, v2 in pairs(v) do
-               if k ~= "name" and k ~= "section" and k:sub(1,1) ~= "." then
+               if k ~= "name" and k ~= "section" and k:byte(1) == 46 then
                        if k == "depends" then
                                t.depends = self:_read_dependency( v2, t.depends )
                                if not t.depends then
                                        error(scheme:error(so:error(
-                                               ERR.SME_BADDEP(to, util.serialize_data(v2))
+                                               ERR('SME_BADDEP', to, util.serialize_data(v2))
                                        )))
                                end
                        elseif k == "validator" then
                                t.validators = self:_read_validator( v2, t.validators )
                                if not t.validators then
                                        error(scheme:error(so:error(
-                                               ERR.SME_BADVAL(to, util.serialize_data(v2))
+                                               ERR('SME_BADVAL', to, util.serialize_data(v2))
                                        )))
                                end
                        elseif k == "valueof" then
                                local values, err = self:_read_reference( v2 )
                                if err then
                                        error(scheme:error(so:error(
-                                               ERR.REFERENCE(to, util.serialize_data(v2)):child(err)
+                                               ERR('REFERENCE', to, util.serialize_data(v2)):child(err)
                                        )))
                                end
                                t.type   = "reference"
@@ -648,21 +653,21 @@ function UVL._parse_enum(self, scheme, k, v)
        local p = self.packages[r[1]]
        if not p then
                error(scheme:error(
-                       ERR.SME_EBADPACK({scheme:sid(), '', '', v.value}, r[1])
+                       ERR('SME_EBADPACK', {scheme:sid(), '', '', v.value}, r[1])
                ))
        end
 
        local s = p.variables[r[2]]
        if not s then
                error(scheme:error(
-                       ERR.SME_EBADSECT({scheme:sid(), '', '', v.value}, r[2])
+                       ERR('SME_EBADSECT', {scheme:sid(), '', '', v.value}, r[2])
                ))
        end
 
        local t = s[r[3]]
        if not t then
                error(scheme:error(
-                       ERR.SME_EBADOPT({scheme:sid(), '', '', v.value}, r[3])
+                       ERR('SME_EBADOPT', {scheme:sid(), '', '', v.value}, r[3])
                ))
        end
 
@@ -672,7 +677,7 @@ function UVL._parse_enum(self, scheme, k, v)
        local eo = oo:enum(v.value)
 
        if t.type ~= "enum" and t.type ~= "reference" then
-               error(scheme:error(ERR.SME_EBADTYPE(eo)))
+               error(scheme:error(ERR('SME_EBADTYPE', eo)))
        end
 
        if not t.values then
@@ -689,7 +694,7 @@ function UVL._parse_enum(self, scheme, k, v)
 
        if v.default then
                if t.default then
-                       error(scheme:error(ERR.SME_EBADDEF(eo)))
+                       error(scheme:error(ERR('SME_EBADDEF', eo)))
                end
                t.default = v.value
        end
@@ -701,7 +706,7 @@ function UVL._parse_enum(self, scheme, k, v)
 
                if not t.enum_depends[v.value] then
                        error(scheme:error(so:error(oo:error(
-                               ERR.SME_BADDEP(eo, util.serialize_data(v.depends))
+                               ERR('SME_BADDEP', eo, util.serialize_data(v.depends))
                        ))))
                end
        end
@@ -718,9 +723,7 @@ function UVL._read_dependency( self, values, deps )
                                local k, e, v = val:match("%s*([%w$_.]+)%s*(=?)%s*(.*)")
 
                                if k and (
-                                       k:match("^"..expr.."%."..expr.."%."..expr.."$") or
-                                       k:match("^"..expr.."%."..expr.."$") or
-                                       k:match("^"..expr.."$")
+                                       k:match(PAT_EXPR1) or k:match(PAT_EXPR2) or k:match(PAT_EXPR3)
                                ) then
                                        condition[k] = (e == '=') and v or true
                                else
@@ -752,8 +755,8 @@ function UVL._read_validator( self, values, validators )
                                validator = self:_resolve_function( (value:gsub("^lua:","") ) )
                        elseif value:match("^regexp:") then
                                local pattern = value:gsub("^regexp:","")
-                               validator = function( type, dtype, pack, sect, optn, ... )
-                                       local values = { ... }
+                               validator = function( type, dtype, pack, sect, optn, arg1, arg2, arg3, arg4, arg5 )
+                                       local values = { arg1, arg2, arg3, arg4, arg5 }
                                        for _, v in ipairs(values) do
                                                local ok, match =
                                                        pcall( string.match, v, pattern )
@@ -802,7 +805,7 @@ function UVL._read_reference( self, values )
                                if v['.type'] == ref[2] then
                                        if #ref == 2 then
                                                if v['.anonymous'] == true then
-                                                       return false, ERR.SME_INVREF('', value)
+                                                       return false, ERR('SME_INVREF', '', value)
                                                end
                                                val[k] = k      -- XXX: title/description would be nice
                                        elseif v[ref[3]] then
@@ -811,7 +814,7 @@ function UVL._read_reference( self, values )
                                end
                        end
                else
-                       return false, ERR.SME_BADREF('', value)
+                       return false, ERR('SME_BADREF', '', value)
                end
        end
 
@@ -920,13 +923,13 @@ function uvlitem.type(self)
        end
 end
 
-function uvlitem.error(self, ...)
+function uvlitem.error(self, arg1, arg2, arg3, arg4, arg5)
        if not self.e then
-               local errconst = { ERR.CONFIG, ERR.SECTION, ERR.OPTION, ERR.OPTION }
-               self.e = errconst[#self.cref]( self )
+               local errconst = { 'CONFIG', 'SECTION', 'OPTION', 'OPTION' }
+               self.e = ERR( errconst[#self.cref], self )
        end
 
-       return self.e:child( ... )
+       return self.e:child( arg1, arg2, arg3, arg4, arg5 )
 end
 
 function uvlitem.errors(self)
@@ -956,7 +959,7 @@ function uvlitem._loadconf(self, co, c, configdir)
                co, err = uci.cursor(configdir):get_all(c)
 
                if err then
-                       self:error(ERR.UCILOAD(self, err))
+                       self:error(ERR('UCILOAD', self, err))
                end
 
                self._configcache = co
@@ -993,9 +996,9 @@ end
 
 --- Add an error to scheme.
 -- @return     Scheme error context
-function scheme.error(self, ...)
-       if not self.e then self.e = ERR.SCHEME( self ) end
-       return self.e:child( ... )
+function scheme.error(self, arg1, arg2, arg3, arg4, arg5)
+       if not self.e then self.e = ERR( 'SCHEME', self ) end
+       return self.e:child( arg1, arg2, arg3, arg4, arg5 )
 end
 
 --- Get an associated config object.