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sile-typesetter / sile / 9324025270

31 May 2024 08:35PM UTC coverage: 66.168% (-8.0%) from 74.124%
9324025270

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Merge 235329972 into 70ff5c335

1753 of 2583 new or added lines in 108 files covered. (67.87%)

1498 existing lines in 74 files now uncovered.

11404 of 17235 relevant lines covered (66.17%)

2956.13 hits per line

Source File
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85.51
/packages/base.lua
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--- SILE package class.
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-- @interfaces packages
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local package = pl.class()
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package.type = "package"
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package._name = "base"
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package._initialized = false
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package.class = nil
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-- For shimming packages that used to have legacy exports
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package.exports = {}
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local function script_path ()
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   local src = debug.getinfo(3, "S").source:sub(2)
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   local base = src:match("(.*[/\\])")
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   return base
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end
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local settingDeclarations = {}
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local rawhandlerRegistrations = {}
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local commandRegistrations = {}
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function package:_init (_, reload)
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   self.class = SILE.scratch.half_initialized_class or SILE.documentState.documentClass
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   if not self.class then
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      SU.error("Attempted to initialize package before class, should have been queued in the preamble", true)
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   end
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   self.basedir = script_path()
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   -- Note string.format(%p) would be nicer than tostring() but only LuaJIT and Lua 5.4 support it
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   local settingsDeclarator = tostring(self.declareSettings)
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   if reload or not settingDeclarations[settingsDeclarator] then
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      settingDeclarations[settingsDeclarator] = true
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      self:declareSettings()
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   end
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   local rawhandlerRegistrator = tostring(self.registerRawHandlers)
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   if reload or not rawhandlerRegistrations[rawhandlerRegistrator] then
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      rawhandlerRegistrations[rawhandlerRegistrator] = true
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      self:registerRawHandlers()
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   end
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   local commandRegistrator = tostring(self.registerCommands)
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   if reload or not commandRegistrations[commandRegistrator] then
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      commandRegistrations[commandRegistrator] = true
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      self:registerCommands()
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   end
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end
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function package:_post_init ()
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   self._initialized = true
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end
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function package.declareSettings (_) end
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function package.registerRawHandlers (_) end
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function package:loadPackage (packname, options, reload)
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   return self.class:loadPackage(packname, options, reload)
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end
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function package:reloadPackage (packname, options)
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   return self.class:reloadPackage(packname, options)
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end
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function package.registerCommands (_) end
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-- This gives us a hook to match commands with the packages that registered
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-- them as opposed to core commands or class-provided commands
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--- Register a function as a SILE command.
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-- Takes any Lua function and registers it for use as a SILE command (which will in turn be used to process any content
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-- nodes identified with the command name.
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--
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-- A similar method is available for classes, `classes:registerCommand`.
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-- @tparam string name Name of cammand to register.
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-- @tparam function func Callback function to use as command handler.
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-- @tparam[opt] nil|string help User friendly short usage string for use in error messages, documentation, etc.
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-- @tparam[opt] nil|string pack Information identifying the module registering the command for use in error and usage
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-- messages. Usually auto-detected.
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-- @see SILE.classes:registerCommand
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function package:registerCommand (name, func, help, pack)
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   self.class:registerCommand(name, func, help, pack)
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end
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function package:registerRawHandler (format, callback)
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   self.class:registerRawHandler(format, callback)
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end
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-- Using this rather than doing the work directly will give us a way to
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-- un-export them if we ever need to unload modules and revert functions
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function package:export (name, func)
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   self.class[name] = func
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end
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-- Shims for two possible kinds of legacy exports: blind direct stuffing into
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-- the class but not expecting to be called as a method AND the exports table
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-- to package modules...
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local _deprecate_class_funcs = [[
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  Please explicitly use functions provided by packages by referencing
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  them in the document class's list of loaded packages rather than the
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  legacy solution that added non-method functions to the class.]]
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local _deprecate_exports_table = [[
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  Please explicitly use functions provided by packages by referencing
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  them in the document class's list of loaded packages rather than the
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  legacy solution of calling them from an exports table.]]
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function package:deprecatedExport (name, func, noclass, notable)
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   if not noclass then
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      self.class[name] = function (...)
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         -- http://lua-users.org/wiki/VarargTheSecondClassCitizen
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         local inputs = { ... }
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         -- local inputs = table.unpack({...}, 1, select("#", ...))
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         if type(inputs[1]) ~= "table" or inputs[1].type ~= "class" then
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            table.insert(inputs, 1, self.class)
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         end
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         SU.deprecated(
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            ("class.%s"):format(name),
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            ("class.packages.%s:%s"):format(self._name, name),
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            "0.14.0",
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            "0.16.0",
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            _deprecate_class_funcs
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         )
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         return func(pl.utils.unpack(inputs, 1, select("#", ...) + 1))
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      end
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   end
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   if not notable then
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      self.exports[name] = function (...)
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         local inputs = { ... }
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         if type(inputs[1]) ~= "table" or inputs[1].type ~= "package" then
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            table.insert(inputs, 1, self)
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         end
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         SU.deprecated(
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            ("require('packages.%s').exports.%s"):format(self._name, name),
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            ("class.packages.%s:%s"):format(self._name, name),
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            "0.14.0",
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            "0.16.0",
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            _deprecate_exports_table
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         )
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         return func(pl.utils.unpack(inputs, 1, select("#", ...) + 1))
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      end
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   end
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end
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return package
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