5934519125

Committed 22 Aug 2023 04:39AM UTC coverage: 74.32% (+0.7%) from 73.575%

Build # 5934519125

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Merge pull request #1835 from alerque/correct-master-filename

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/core/sile.lua

-- Initialize SILE internals
SILE = {}

SILE.version = require("core.version")
SILE.features = require("core.features")

-- Initialize Lua environment and global utilities
SILE.lua_version = _VERSION:sub(-3)
SILE.lua_isjit = type(jit) == "table"
SILE.full_version = string.format("SILE %s (%s)", SILE.version, SILE.lua_isjit and jit.version or _VERSION)

-- Backport of lots of Lua 5.3 features to Lua 5.[12]
if not SILE.lua_isjit and SILE.lua_version < "5.3" then require("compat53") end

-- Penlight on-demand module loader, provided for SILE and document usage
pl = require("pl.import_into")()

-- For developer testing only, usually in CI
if os.getenv("SILE_COVERAGE") then require("luacov") end

-- Lua 5.3+ has a UTF-8 safe string function module but it is somewhat
-- underwhelming. This module includes more functions and supports older Lua
-- versions. Docs: https://github.com/starwing/luautf8
luautf8 = require("lua-utf8")

-- Localization library, provided as global
fluent = require("fluent")()

-- Includes for _this_ scope
local lfs = require("lfs")

-- Developer tooling profiler
local ProFi

SILE.utilities = require("core.utilities")
SU = SILE.utilities -- regrettable global alias

-- On demand loader, allows modules to be loaded into a specific scope but
-- only when/if accessed.
local core_loader = function (scope)
  return setmetatable({}, {
    __index = function (self, key)
      -- local var = rawget(self, key)
      local m = require(("%s.%s"):format(scope, key))
      self[key] = m
      return m
    end
  })
end

SILE.Commands = {}
SILE.Help = {}
SILE.debugFlags = {}
SILE.nodeMakers = {}
SILE.tokenizers = {}
SILE.status = {}
SILE.scratch = {}
SILE.documentState = {}
SILE.rawHandlers = {}

-- User input values, currently from CLI options, potentially all the inuts
-- needed for a user to use a SILE-as-a-library verion to produce documents
-- programatically.
SILE.input = {
  filenames = {},
  evaluates = {},
  evaluateAfters = {},
  includes = {},
  uses = {},
  options = {},
  preambles = {},
  postambles = {},
}

-- Internal libraries that are idempotent and return classes that need instantiation
SILE.inputters = core_loader("inputters")
SILE.shapers = core_loader("shapers")
SILE.outputters = core_loader("outputters")
SILE.classes = core_loader("classes")
SILE.packages = core_loader("packages")
SILE.typesetters = core_loader("typesetters")
SILE.pagebuilders = core_loader("pagebuilders")

-- Internal libraries that don't make assumptions on load, only use
SILE.traceStack = require("core.tracestack")()
SILE.parserBits = require("core.parserbits")
SILE.frameParser = require("core.frameparser")
SILE.color = require("core.color")
SILE.units = require("core.units")
SILE.fontManager = require("core.fontmanager")

-- Internal libraries that assume globals, may be picky about load order
SILE.measurement = require("core.measurement")
SILE.length = require("core.length")
SILE.papersize = require("core.papersize")
SILE.nodefactory = require("core.nodefactory")

-- NOTE:
-- See remainaing internal libraries loaded at the end of this file because
-- they run core SILE functions on load istead of waiting to be called (or
-- depend on others that do).

local function runEvals (evals, arg)
  for _, snippet in ipairs(evals) do
    local pId = SILE.traceStack:pushText(snippet)
    local status, func = pcall(load, snippet)
    if status then
      func()
    else
      SU.error(("Error parsing code provided in --%s snippet: %s"):format(arg, func))
    end
    SILE.traceStack:pop(pId)
  end
end

SILE.init = function ()
  if not SILE.backend then
    SILE.backend = "libtexpdf"
  end
  if SILE.backend == "libtexpdf" then
    SILE.shaper = SILE.shapers.harfbuzz()
    SILE.outputter = SILE.outputters.libtexpdf()
  elseif SILE.backend == "cairo" then
    SILE.shaper = SILE.shapers.pango()
    SILE.outputter = SILE.outputters.cairo()
  elseif SILE.backend == "debug" then
    SILE.shaper = SILE.shapers.harfbuzz()
    SILE.outputter = SILE.outputters.debug()
  elseif SILE.backend == "text" then
    SILE.shaper = SILE.shapers.harfbuzz()
    SILE.outputter = SILE.outputters.text()
  elseif SILE.backend == "dummy" then
    SILE.shaper = SILE.shapers.harfbuzz()
    SILE.outputter = SILE.outputters.dummy()
  end
  SILE.pagebuilder = SILE.pagebuilders.base()
  io.stdout:setvbuf("no")
  if SU.debugging("profile") then
    ProFi = require("ProFi")
    ProFi:start()
  end
  if SILE.makeDeps then
    SILE.makeDeps:add(_G.executablePath)
  end
  runEvals(SILE.input.evaluates, "evaluate")
end

SILE.use = function (module, options)
  local pack
  if type(module) == "string" then
    pack = require(module)
  elseif type(module) == "table" then
    pack = module
  end
  local name = pack._name
  local class = SILE.documentState.documentClass
  if not pack.type then
    SU.error("Modules must declare their type")
  elseif pack.type == "class" then
    SILE.classes[name] = pack
    if class then
      SU.error("Cannot load a class after one is already instantiated")
    end
    SILE.scratch.class_from_uses = pack
  elseif pack.type == "inputter" then
    SILE.inputters[name] = pack
    SILE.inputter = pack(options)
  elseif pack.type == "outputter" then
    SILE.outputters[name] = pack
    SILE.outputter = pack(options)
  elseif pack.type == "shaper" then
    SILE.shapers[name] = pack
    SILE.shaper = pack(options)
  elseif pack.type == "typesetter" then
    SILE.typesetters[name] = pack
    SILE.typesetter = pack(options)
  elseif pack.type == "pagebuilder" then
    SILE.pagebuilders[name] = pack
    SILE.pagebuilder = pack(options)
  elseif pack.type == "package" then
    SILE.packages[name] = pack
    if class then
      pack(options)
    else
      table.insert(SILE.input.preambles, { pack = pack, options = options })
    end
  end
end

SILE.require = function (dependency, pathprefix, deprecation_ack)
  if pathprefix and not deprecation_ack then
    local notice = string.format([[
  Please don't use the path prefix mechanism; it was intended to provide
  alternate paths to override core components but never worked well and is
  causing portability problems. Just use Lua idiomatic module loading:
      SILE.require("%s", "%s") → SILE.require("%s.%s")]],
      dependency, pathprefix, pathprefix, dependency)
    SU.deprecated("SILE.require", "SILE.require", "0.13.0", nil, notice)
  end
  dependency = dependency:gsub(".lua$", "")
  local status, lib
  if pathprefix then
    status, lib = pcall(require, pl.path.join(pathprefix, dependency))
  end
  if not status then
    local prefixederror = lib
    status, lib = pcall(require, dependency)
    if not status then
      SU.error(("Unable to find module '%s'%s")
        :format(dependency, SILE.traceback and ((pathprefix and "\n  " .. prefixederror or "") .. "\n  " .. lib) or ""))
    end
  end
  local class = SILE.documentState.documentClass
  if not class and not deprecation_ack then
    SU.warn(string.format([[
  Use of SILE.require() is only supported in documents, packages, or class
  init functions. It will not function fully before the class is instantiated.
  Please just use the Lua require() function directly:
      SILE.require("%s") → require("%s")]], dependency, dependency))
  end
  if type(lib) == "table" and class then
    if lib.type == "package" then
      lib(class)
    else
      class:initPackage(lib)
    end
  end
  return lib
end

SILE.process = function (ast)
  if not ast then return end
  if SU.debugging("ast") then
    SU.debugAST(ast, 0)
  end
  if type(ast) == "function" then return ast() end
  for _, content in ipairs(ast) do
    if type(content) == "string" then
      SILE.typesetter:typeset(content)
    elseif type(content) == "function" then
      content()
    elseif SILE.Commands[content.command] then
      SILE.call(content.command, content.options, content)
    elseif content.id == "texlike_stuff"
      or (not content.command and not content.id) then
      local pId = SILE.traceStack:pushContent(content, "texlike_stuff")
      SILE.process(content)
      SILE.traceStack:pop(pId)
    elseif type(content) ~= "nil" then
      local pId = SILE.traceStack:pushContent(content)
      SU.error("Unknown command "..(tostring(content.command or content.id)))
      SILE.traceStack:pop(pId)
    end
  end
end

local preloadedinputters = { "xml", "lua", "sil" }

local function detectFormat (doc, filename)
  -- Preload default reader types so content detection has something to work with
  if #SILE.inputters == 0 then
    for _, format in ipairs(preloadedinputters) do
      local _ = SILE.inputters[format]
    end
  end
  local contentDetectionOrder = {}
  for _, inputter in pairs(SILE.inputters) do
    if inputter.order then table.insert(contentDetectionOrder, inputter) end
  end
  table.sort(contentDetectionOrder, function (a, b) return a.order < b.order end)
  local initialround = filename and 1 or 2
  for round = initialround, 3 do
    for _, inputter in ipairs(contentDetectionOrder) do
      SU.debug("inputter", "Running content type detection round", round, "with", inputter._name)
      if inputter.appropriate(round, filename, doc) then
        return inputter._name
      end
    end
  end
  SU.error(("Unable to pick inputter to process input from '%s'"):format(filename))
end

function SILE.processString (doc, format, filename, options)
  local cpf
  if not filename then
    cpf = SILE.currentlyProcessingFile
    local caller = debug.getinfo(2, "Sl")
    SILE.currentlyProcessingFile = caller.short_src..":"..caller.currentline
  end
  -- In the event we're processing the master file *and* the user gave us
  -- a specific inputter to use, use it at the exclusion of all content type
  -- detection
  local inputter
  if filename and pl.path.normcase(pl.path.normpath(filename)) == pl.path.normcase(SILE.input.filenames[1]) and SILE.inputter then
    inputter = SILE.inputter
  else
    format = format or detectFormat(doc, filename)
    if not SILE.quiet then
      io.stderr:write(("<%s> as %s\n"):format(SILE.currentlyProcessingFile, format))
    end
    inputter = SILE.inputters[format](options)
    -- If we did content detection *and* this is the master file, save the
    -- inputter for posterity and postambles
    if filename and pl.path.normcase(filename) == pl.path.normcase(SILE.input.filenames[1]) then
      SILE.inputter = inputter
    end
  end
  local pId = SILE.traceStack:pushDocument(SILE.currentlyProcessingFile, doc)
  inputter:process(doc)
  SILE.traceStack:pop(pId)
  if cpf then SILE.currentlyProcessingFile = cpf end
end

function SILE.processFile (filename, format, options)
  local doc
  if filename == "-" then
    filename = "STDIN"
    doc = io.stdin:read("*a")
  else
    -- Turn slashes around in the event we get passed a path from a Windows shell
    filename = filename:gsub("\\", "/")
    if not SILE.masterFilename then
      SILE.masterFilename = pl.path.splitext(pl.path.normpath(filename))
    end
    if SILE.input.filenames[1] and not SILE.masterDir then
      SILE.masterDir = pl.path.dirname(SILE.input.filenames[1])
    end
    if SILE.masterDir and SILE.masterDir:len() >= 1 then
      _G.extendSilePath(SILE.masterDir)
    end
    filename = SILE.resolveFile(filename)
    if not filename then
      SU.error("Could not find file")
    end
    local mode = lfs.attributes(filename).mode
    if mode ~= "file" and mode ~= "named pipe" then
      SU.error(filename.." isn't a file or named pipe, it's a ".. mode .."!")
    end
    if SILE.makeDeps then
      SILE.makeDeps:add(filename)
    end
    local file, err = io.open(filename)
    if not file then
      print("Could not open "..filename..": "..err)
      return
    end
    doc = file:read("*a")
  end
  local cpf = SILE.currentlyProcessingFile
  SILE.currentlyProcessingFile = filename
  local pId = SILE.traceStack:pushDocument(filename, doc)
  local ret = SILE.processString(doc, format, filename, options)
  SILE.traceStack:pop(pId)
  SILE.currentlyProcessingFile = cpf
  return ret
end

-- TODO: this probably needs deprecating, moved here just to get out of the way so
-- typesetters classing works as expected
SILE.typesetNaturally = function (frame, func)
  local saveTypesetter = SILE.typesetter
  if SILE.typesetter.frame then SILE.typesetter.frame:leave(SILE.typesetter) end
  SILE.typesetter = SILE.typesetters.base(frame)
  SILE.settings:temporarily(func)
  SILE.typesetter:leaveHmode()
  SILE.typesetter:chuck()
  SILE.typesetter.frame:leave(SILE.typesetter)
  SILE.typesetter = saveTypesetter
  if SILE.typesetter.frame then SILE.typesetter.frame:enter(SILE.typesetter) end
end

-- Sort through possible places files could be
function SILE.resolveFile (filename, pathprefix)
  local candidates = {}
  -- Start with the raw file name as given prefixed with a path if requested
  if pathprefix then candidates[#candidates+1] = pl.path.join(pathprefix, "?") end
  -- Also check the raw file name without a path
  candidates[#candidates+1] = "?"
  -- Iterate through the directory of the master file, the SILE_PATH variable, and the current directory
  -- Check for prefixed paths first, then the plain path in that fails
  if SILE.masterDir then
    for path in SU.gtoke(SILE.masterDir..";"..tostring(os.getenv("SILE_PATH")), ";") do
      if path.string and path.string ~= "nil" then
        if pathprefix then candidates[#candidates+1] = pl.path.join(path.string, pathprefix, "?") end
        candidates[#candidates+1] = pl.path.join(path.string, "?")
      end
    end
  end
  -- Return the first candidate that exists, also checking the .sil suffix
  local path = table.concat(candidates, ";")
  local resolved, err = package.searchpath(filename, path, "/")
  if resolved then
    if SILE.makeDeps then SILE.makeDeps:add(resolved) end
  else
    SU.warn(("Unable to find file '%s': %s"):format(filename, err))
  end
  return resolved
end

function SILE.call (command, options, content)
  options = options or {}
  content = content or {}
  if SILE.traceback and type(content) == "table" and not content.lno then
    -- This call is from code (no content.lno) and we want to spend the time
    -- to determine everything we need about the caller
    local caller = debug.getinfo(2, "Sl")
    content.file, content.lno = caller.short_src, caller.currentline
  end
  local pId = SILE.traceStack:pushCommand(command, content, options)
  if not SILE.Commands[command] then SU.error("Unknown command " .. command) end
  local result = SILE.Commands[command](options, content)
  SILE.traceStack:pop(pId)
  return result
end

function SILE.registerCommand (name, func, help, pack, cheat)
  local class = SILE.documentState.documentClass
  if not cheat then
    SU.deprecated("SILE.registerCommand", "class:registerCommand", "0.14.0", "0.16.0",
    [[Commands are being scoped to the document classes they are loaded into rather than being globals.]])
  end
  -- Shimming until we have all scope cheating removed from core
  if not cheat or not class or class.type ~= "class" then
    return SILE.classes.base.registerCommand(nil, name, func, help, pack)
  end
  return class:registerCommand(name, func, help, pack)
end

function SILE.setCommandDefaults (command, defaults)
  local oldCommand = SILE.Commands[command]
  SILE.Commands[command] = function (options, content)
    for k, v in pairs(defaults) do
      options[k] = options[k] or v
    end
    return oldCommand(options, content)
  end
end

function SILE.registerUnit (unit, spec)
  -- If a unit exists already, clear it first so we get fresh meta table entries, see #1607
  if SILE.units[unit] then
    SILE.units[unit] = nil
  end
  SILE.units[unit] = spec
end

function SILE.paperSizeParser (size)
  -- SU.deprecated("SILE.paperSizeParser", "SILE.papersize", "0.10.0", nil)
  return SILE.papersize(size)
end

function SILE.finish ()
  if SILE.makeDeps then
    SILE.makeDeps:write()
  end
  SILE.documentState.documentClass:finish()
  SILE.font.finish()
  runEvals(SILE.input.evaluateAfters, "evaluate-after")
  if not SILE.quiet then
    io.stderr:write("\n")
  end
  if SU.debugging("profile") then
    ProFi:stop()
    ProFi:writeReport(pl.path.splitext(SILE.input.filenames[1]) .. '.profile.txt')
  end
  if SU.debugging("versions") then
    SILE.shaper:debugVersions()
  end
end

-- Internal libraries that run core SILE functions on load
SILE.settings = require("core.settings")()
require("core.hyphenator-liang")
require("core.languages")
require("core.packagemanager")
SILE.linebreak = require("core.break")
require("core.frame")
SILE.cli = require("core.cli")
SILE.repl = require("core.repl")
SILE.font = require("core.font")

-- For warnings and shims scheduled for removal that are easier to keep track
-- of when they are not spead across so many locations...
require("core/deprecations")

return SILE

1	-- Initialize SILE internals
2	SILE = {}	1✔
3
4	SILE.version = require("core.version")	1✔
5	SILE.features = require("core.features")	1✔
6
7	-- Initialize Lua environment and global utilities
8	SILE.lua_version = _VERSION:sub(-3)	2✔
9	SILE.lua_isjit = type(jit) == "table"	1✔
10	SILE.full_version = string.format("SILE %s (%s)", SILE.version, SILE.lua_isjit and jit.version or _VERSION)	1✔
11
12	-- Backport of lots of Lua 5.3 features to Lua 5.[12]
13	if not SILE.lua_isjit and SILE.lua_version < "5.3" then require("compat53") end	1✔
14
15	-- Penlight on-demand module loader, provided for SILE and document usage
16	pl = require("pl.import_into")()	2✔
17
18	-- For developer testing only, usually in CI
19	if os.getenv("SILE_COVERAGE") then require("luacov") end	1✔
20
21	-- Lua 5.3+ has a UTF-8 safe string function module but it is somewhat
22	-- underwhelming. This module includes more functions and supports older Lua
23	-- versions. Docs: https://github.com/starwing/luautf8
24	luautf8 = require("lua-utf8")	173✔
25
26	-- Localization library, provided as global
27	fluent = require("fluent")()	345✔
28
29	-- Includes for _this_ scope
30	local lfs = require("lfs")	172✔
31
32	-- Developer tooling profiler
33	local ProFi
34
35	SILE.utilities = require("core.utilities")	172✔
36	SU = SILE.utilities -- regrettable global alias	172✔
37
38	-- On demand loader, allows modules to be loaded into a specific scope but
39	-- only when/if accessed.
40	local core_loader = function (scope)
41	return setmetatable({}, {	1,204✔
42	__index = function (self, key)
43	-- local var = rawget(self, key)
44	local m = require(("%s.%s"):format(scope, key))	1,390✔
45	self[key] = m	1,390✔
46	return m	1,390✔
47	end
48	})	1,204✔
49	end
50
51	SILE.Commands = {}	172✔
52	SILE.Help = {}	172✔
53	SILE.debugFlags = {}	172✔
54	SILE.nodeMakers = {}	172✔
55	SILE.tokenizers = {}	172✔
56	SILE.status = {}	172✔
57	SILE.scratch = {}	172✔
58	SILE.documentState = {}	172✔
59	SILE.rawHandlers = {}	172✔
60
61	-- User input values, currently from CLI options, potentially all the inuts
62	-- needed for a user to use a SILE-as-a-library verion to produce documents
63	-- programatically.
64	SILE.input = {	172✔
65	filenames = {},	172✔
66	evaluates = {},	172✔
67	evaluateAfters = {},	172✔
68	includes = {},	172✔
69	uses = {},	172✔
70	options = {},	172✔
71	preambles = {},	172✔
72	postambles = {},	172✔
73	}	172✔
74
75	-- Internal libraries that are idempotent and return classes that need instantiation
76	SILE.inputters = core_loader("inputters")	344✔
77	SILE.shapers = core_loader("shapers")	344✔
78	SILE.outputters = core_loader("outputters")	344✔
79	SILE.classes = core_loader("classes")	344✔
80	SILE.packages = core_loader("packages")	344✔
81	SILE.typesetters = core_loader("typesetters")	344✔
82	SILE.pagebuilders = core_loader("pagebuilders")	344✔
83
84	-- Internal libraries that don't make assumptions on load, only use
85	SILE.traceStack = require("core.tracestack")()	344✔
86	SILE.parserBits = require("core.parserbits")	172✔
87	SILE.frameParser = require("core.frameparser")	172✔
88	SILE.color = require("core.color")	172✔
89	SILE.units = require("core.units")	172✔
90	SILE.fontManager = require("core.fontmanager")	172✔
91
92	-- Internal libraries that assume globals, may be picky about load order
93	SILE.measurement = require("core.measurement")	172✔
94	SILE.length = require("core.length")	172✔
95	SILE.papersize = require("core.papersize")	172✔
96	SILE.nodefactory = require("core.nodefactory")	172✔
97
98	-- NOTE:
99	-- See remainaing internal libraries loaded at the end of this file because
100	-- they run core SILE functions on load istead of waiting to be called (or
101	-- depend on others that do).
102
103	local function runEvals (evals, arg)
104	for _, snippet in ipairs(evals) do	344✔
105	local pId = SILE.traceStack:pushText(snippet)	×
106	local status, func = pcall(load, snippet)	×
107	if status then	×
108	func()	×
109	else
110	SU.error(("Error parsing code provided in --%s snippet: %s"):format(arg, func))	×
111	end
112	SILE.traceStack:pop(pId)	×
113	end
114	end
115
116	SILE.init = function ()	172✔
117	if not SILE.backend then	172✔
118	SILE.backend = "libtexpdf"	172✔
119	end
120	if SILE.backend == "libtexpdf" then	172✔
121	SILE.shaper = SILE.shapers.harfbuzz()	516✔
122	SILE.outputter = SILE.outputters.libtexpdf()	516✔
123	elseif SILE.backend == "cairo" then	×
124	SILE.shaper = SILE.shapers.pango()	×
125	SILE.outputter = SILE.outputters.cairo()	×
126	elseif SILE.backend == "debug" then	×
127	SILE.shaper = SILE.shapers.harfbuzz()	×
128	SILE.outputter = SILE.outputters.debug()	×
129	elseif SILE.backend == "text" then	×
130	SILE.shaper = SILE.shapers.harfbuzz()	×
131	SILE.outputter = SILE.outputters.text()	×
132	elseif SILE.backend == "dummy" then	×
133	SILE.shaper = SILE.shapers.harfbuzz()	×
134	SILE.outputter = SILE.outputters.dummy()	×
135	end
136	SILE.pagebuilder = SILE.pagebuilders.base()	516✔
137	io.stdout:setvbuf("no")	172✔
138	if SU.debugging("profile") then	344✔
139	ProFi = require("ProFi")	×
140	ProFi:start()	×
141	end
142	if SILE.makeDeps then	172✔
143	SILE.makeDeps:add(_G.executablePath)	172✔
144	end
145	runEvals(SILE.input.evaluates, "evaluate")	172✔
146	end
147
148	SILE.use = function (module, options)	172✔
149	local pack
150	if type(module) == "string" then	107✔
151	pack = require(module)	106✔
152	elseif type(module) == "table" then	1✔
153	pack = module	1✔
154	end
155	local name = pack._name	107✔
156	local class = SILE.documentState.documentClass	107✔
157	if not pack.type then	107✔
158	SU.error("Modules must declare their type")	×
159	elseif pack.type == "class" then	107✔
160	SILE.classes[name] = pack	×
161	if class then	×
162	SU.error("Cannot load a class after one is already instantiated")	×
163	end
164	SILE.scratch.class_from_uses = pack	×
165	elseif pack.type == "inputter" then	107✔
166	SILE.inputters[name] = pack	×
167	SILE.inputter = pack(options)	×
168	elseif pack.type == "outputter" then	107✔
169	SILE.outputters[name] = pack	×
170	SILE.outputter = pack(options)	×
171	elseif pack.type == "shaper" then	107✔
172	SILE.shapers[name] = pack	×
173	SILE.shaper = pack(options)	×
174	elseif pack.type == "typesetter" then	107✔
175	SILE.typesetters[name] = pack	×
176	SILE.typesetter = pack(options)	×
177	elseif pack.type == "pagebuilder" then	107✔
178	SILE.pagebuilders[name] = pack	×
179	SILE.pagebuilder = pack(options)	×
180	elseif pack.type == "package" then	107✔
181	SILE.packages[name] = pack	107✔
182	if class then	107✔
183	pack(options)	214✔
184	else
185	table.insert(SILE.input.preambles, { pack = pack, options = options })	×
186	end
187	end
188	end
189
190	SILE.require = function (dependency, pathprefix, deprecation_ack)	172✔
191	if pathprefix and not deprecation_ack then	192✔
192	local notice = string.format([[	×
193	Please don't use the path prefix mechanism; it was intended to provide
194	alternate paths to override core components but never worked well and is
195	causing portability problems. Just use Lua idiomatic module loading:
196	SILE.require("%s", "%s") → SILE.require("%s.%s")]],
197	dependency, pathprefix, pathprefix, dependency)	×
198	SU.deprecated("SILE.require", "SILE.require", "0.13.0", nil, notice)	×
199	end
200	dependency = dependency:gsub(".lua$", "")	192✔
201	local status, lib
202	if pathprefix then	192✔
203	status, lib = pcall(require, pl.path.join(pathprefix, dependency))	344✔
204	end
205	if not status then	192✔
206	local prefixederror = lib	20✔
207	status, lib = pcall(require, dependency)	20✔
208	if not status then	20✔
209	SU.error(("Unable to find module '%s'%s")	×
210	:format(dependency, SILE.traceback and ((pathprefix and "\n " .. prefixederror or "") .. "\n " .. lib) or ""))	×
211	end
212	end
213	local class = SILE.documentState.documentClass	192✔
214	if not class and not deprecation_ack then	192✔
215	SU.warn(string.format([[	×
216	Use of SILE.require() is only supported in documents, packages, or class
217	init functions. It will not function fully before the class is instantiated.
218	Please just use the Lua require() function directly:
219	SILE.require("%s") → require("%s")]], dependency, dependency))	×
220	end
221	if type(lib) == "table" and class then	192✔
222	if lib.type == "package" then	20✔
223	lib(class)	40✔
224	else
225	class:initPackage(lib)	×
226	end
227	end
228	return lib	192✔
229	end
230
231	SILE.process = function (ast)	172✔
232	if not ast then return end	1,405✔
233	if SU.debugging("ast") then	2,802✔
234	SU.debugAST(ast, 0)	×
235	end
236	if type(ast) == "function" then return ast() end	1,401✔
237	for _, content in ipairs(ast) do	4,841✔
238	if type(content) == "string" then	3,803✔
239	SILE.typesetter:typeset(content)	4,440✔
240	elseif type(content) == "function" then	1,583✔
241	content()	2✔
242	elseif SILE.Commands[content.command] then	1,582✔
243	SILE.call(content.command, content.options, content)	3,142✔
244	elseif content.id == "texlike_stuff"	11✔
245	or (not content.command and not content.id) then	6✔
246	local pId = SILE.traceStack:pushContent(content, "texlike_stuff")	11✔
247	SILE.process(content)	11✔
248	SILE.traceStack:pop(pId)	22✔
249	elseif type(content) ~= "nil" then	×
250	local pId = SILE.traceStack:pushContent(content)	×
251	SU.error("Unknown command "..(tostring(content.command or content.id)))	×
252	SILE.traceStack:pop(pId)	×
253	end
254	end
255	end
256
257	local preloadedinputters = { "xml", "lua", "sil" }	172✔
258
259	local function detectFormat (doc, filename)
260	-- Preload default reader types so content detection has something to work with
261	if #SILE.inputters == 0 then	173✔
262	for _, format in ipairs(preloadedinputters) do	692✔
263	local _ = SILE.inputters[format]	519✔
264	end
265	end
266	local contentDetectionOrder = {}	173✔
267	for _, inputter in pairs(SILE.inputters) do	692✔
268	if inputter.order then table.insert(contentDetectionOrder, inputter) end	519✔
269	end
270	table.sort(contentDetectionOrder, function (a, b) return a.order < b.order end)	692✔
271	local initialround = filename and 1 or 2	173✔
272	for round = initialround, 3 do	176✔
273	for _, inputter in ipairs(contentDetectionOrder) do	351✔
274	SU.debug("inputter", "Running content type detection round", round, "with", inputter._name)	348✔
275	if inputter.appropriate(round, filename, doc) then	696✔
276	return inputter._name	173✔
277	end
278	end
279	end
280	SU.error(("Unable to pick inputter to process input from '%s'"):format(filename))	×
281	end
282
283	function SILE.processString (doc, format, filename, options)	344✔
284	local cpf
285	if not filename then	241✔
286	cpf = SILE.currentlyProcessingFile	68✔
287	local caller = debug.getinfo(2, "Sl")	68✔
288	SILE.currentlyProcessingFile = caller.short_src..":"..caller.currentline	68✔
289	end
290	-- In the event we're processing the master file and the user gave us
291	-- a specific inputter to use, use it at the exclusion of all content type
292	-- detection
293	local inputter
294	if filename and pl.path.normcase(pl.path.normpath(filename)) == pl.path.normcase(SILE.input.filenames[1]) and SILE.inputter then	760✔
295	inputter = SILE.inputter	×
296	else
297	format = format or detectFormat(doc, filename)	414✔
298	if not SILE.quiet then	241✔
299	io.stderr:write(("<%s> as %s\n"):format(SILE.currentlyProcessingFile, format))	241✔
300	end
301	inputter = SILE.inputters[format](options)	482✔
302	-- If we did content detection and this is the master file, save the
303	-- inputter for posterity and postambles
304	if filename and pl.path.normcase(filename) == pl.path.normcase(SILE.input.filenames[1]) then	587✔
305	SILE.inputter = inputter	172✔
306	end
307	end
308	local pId = SILE.traceStack:pushDocument(SILE.currentlyProcessingFile, doc)	241✔
309	inputter:process(doc)	241✔
310	SILE.traceStack:pop(pId)	241✔
311	if cpf then SILE.currentlyProcessingFile = cpf end	241✔
312	end
313
314	function SILE.processFile (filename, format, options)	344✔
315	local doc
316	if filename == "-" then	173✔
317	filename = "STDIN"	×
318	doc = io.stdin:read("*a")	×
319	else
320	-- Turn slashes around in the event we get passed a path from a Windows shell
321	filename = filename:gsub("\\", "/")	173✔
322	if not SILE.masterFilename then	173✔
323	SILE.masterFilename = pl.path.splitext(pl.path.normpath(filename))	688✔
324	end
325	if SILE.input.filenames[1] and not SILE.masterDir then	173✔
326	SILE.masterDir = pl.path.dirname(SILE.input.filenames[1])	344✔
327	end
328	if SILE.masterDir and SILE.masterDir:len() >= 1 then	346✔
329	_G.extendSilePath(SILE.masterDir)	173✔
330	end
331	filename = SILE.resolveFile(filename)	346✔
332	if not filename then	173✔
333	SU.error("Could not find file")	×
334	end
335	local mode = lfs.attributes(filename).mode	173✔
336	if mode ~= "file" and mode ~= "named pipe" then	173✔
337	SU.error(filename.." isn't a file or named pipe, it's a ".. mode .."!")	×
338	end
339	if SILE.makeDeps then	173✔
340	SILE.makeDeps:add(filename)	173✔
341	end
342	local file, err = io.open(filename)	173✔
343	if not file then	173✔
344	print("Could not open "..filename..": "..err)	×
345	return	×
346	end
347	doc = file:read("*a")	173✔
348	end
349	local cpf = SILE.currentlyProcessingFile	173✔
350	SILE.currentlyProcessingFile = filename	173✔
351	local pId = SILE.traceStack:pushDocument(filename, doc)	173✔
352	local ret = SILE.processString(doc, format, filename, options)	173✔
353	SILE.traceStack:pop(pId)	173✔
354	SILE.currentlyProcessingFile = cpf	173✔
355	return ret	173✔
356	end
357
358	-- TODO: this probably needs deprecating, moved here just to get out of the way so
359	-- typesetters classing works as expected
360	SILE.typesetNaturally = function (frame, func)	172✔
361	local saveTypesetter = SILE.typesetter	95✔
362	if SILE.typesetter.frame then SILE.typesetter.frame:leave(SILE.typesetter) end	95✔
363	SILE.typesetter = SILE.typesetters.base(frame)	190✔
364	SILE.settings:temporarily(func)	95✔
365	SILE.typesetter:leaveHmode()	95✔
366	SILE.typesetter:chuck()	95✔
367	SILE.typesetter.frame:leave(SILE.typesetter)	95✔
368	SILE.typesetter = saveTypesetter	95✔
369	if SILE.typesetter.frame then SILE.typesetter.frame:enter(SILE.typesetter) end	95✔
370	end
371
372	-- Sort through possible places files could be
373	function SILE.resolveFile (filename, pathprefix)	344✔
374	local candidates = {}	178✔
375	-- Start with the raw file name as given prefixed with a path if requested
376	if pathprefix then candidates[#candidates+1] = pl.path.join(pathprefix, "?") end	178✔
377	-- Also check the raw file name without a path
378	candidates[#candidates+1] = "?"	178✔
379	-- Iterate through the directory of the master file, the SILE_PATH variable, and the current directory
380	-- Check for prefixed paths first, then the plain path in that fails
381	if SILE.masterDir then	178✔
382	for path in SU.gtoke(SILE.masterDir..";"..tostring(os.getenv("SILE_PATH")), ";") do	890✔
383	if path.string and path.string ~= "nil" then	534✔
384	if pathprefix then candidates[#candidates+1] = pl.path.join(path.string, pathprefix, "?") end	178✔
385	candidates[#candidates+1] = pl.path.join(path.string, "?")	356✔
386	end
387	end
388	end
389	-- Return the first candidate that exists, also checking the .sil suffix
390	local path = table.concat(candidates, ";")	178✔
391	local resolved, err = package.searchpath(filename, path, "/")	178✔
392	if resolved then	178✔
393	if SILE.makeDeps then SILE.makeDeps:add(resolved) end	356✔
394	else
395	SU.warn(("Unable to find file '%s': %s"):format(filename, err))	×
396	end
397	return resolved	178✔
398	end
399
400	function SILE.call (command, options, content)	344✔
401	options = options or {}	4,553✔
402	content = content or {}	4,553✔
403	if SILE.traceback and type(content) == "table" and not content.lno then	4,553✔
404	-- This call is from code (no content.lno) and we want to spend the time
405	-- to determine everything we need about the caller
406	local caller = debug.getinfo(2, "Sl")	×
407	content.file, content.lno = caller.short_src, caller.currentline	×
408	end
409	local pId = SILE.traceStack:pushCommand(command, content, options)	4,553✔
410	if not SILE.Commands[command] then SU.error("Unknown command " .. command) end	4,553✔
411	local result = SILE.Commands[command](options, content)	4,553✔
412	SILE.traceStack:pop(pId)	4,553✔
413	return result	4,553✔
414	end
415
416	function SILE.registerCommand (name, func, help, pack, cheat)	344✔
417	local class = SILE.documentState.documentClass	1,055✔
418	if not cheat then	1,055✔
419	SU.deprecated("SILE.registerCommand", "class:registerCommand", "0.14.0", "0.16.0",	24✔
420	[[Commands are being scoped to the document classes they are loaded into rather than being globals.]])	12✔
421	end
422	-- Shimming until we have all scope cheating removed from core
423	if not cheat or not class or class.type ~= "class" then	1,055✔
424	return SILE.classes.base.registerCommand(nil, name, func, help, pack)	1,225✔
425	end
426	return class:registerCommand(name, func, help, pack)	2✔
427	end
428
429	function SILE.setCommandDefaults (command, defaults)	344✔
430	local oldCommand = SILE.Commands[command]	×
431	SILE.Commands[command] = function (options, content)	×
432	for k, v in pairs(defaults) do	×
433	options[k] = options[k] or v	×
434	end
435	return oldCommand(options, content)	×
436	end
437	end
438
439	function SILE.registerUnit (unit, spec)	344✔
440	-- If a unit exists already, clear it first so we get fresh meta table entries, see #1607
441	if SILE.units[unit] then	12✔
442	SILE.units[unit] = nil	×
443	end
444	SILE.units[unit] = spec	12✔
445	end
446
447	function SILE.paperSizeParser (size)	344✔
448	-- SU.deprecated("SILE.paperSizeParser", "SILE.papersize", "0.10.0", nil)
449	return SILE.papersize(size)	×
450	end
451
452	function SILE.finish ()	344✔
453	if SILE.makeDeps then	172✔
454	SILE.makeDeps:write()	172✔
455	end
456	SILE.documentState.documentClass:finish()	172✔
457	SILE.font.finish()	172✔
458	runEvals(SILE.input.evaluateAfters, "evaluate-after")	172✔
459	if not SILE.quiet then	172✔
460	io.stderr:write("\n")	172✔
461	end
462	if SU.debugging("profile") then	344✔
463	ProFi:stop()	×
464	ProFi:writeReport(pl.path.splitext(SILE.input.filenames[1]) .. '.profile.txt')	×
465	end
466	if SU.debugging("versions") then	344✔
467	SILE.shaper:debugVersions()	172✔
468	end
469	end
470
471	-- Internal libraries that run core SILE functions on load
472	SILE.settings = require("core.settings")()	344✔
473	require("core.hyphenator-liang")	172✔
474	require("core.languages")	172✔
475	require("core.packagemanager")	172✔
476	SILE.linebreak = require("core.break")	172✔
477	require("core.frame")	172✔
478	SILE.cli = require("core.cli")	172✔
479	SILE.repl = require("core.repl")	172✔
480	SILE.font = require("core.font")	172✔
481
482	-- For warnings and shims scheduled for removal that are easier to keep track
483	-- of when they are not spead across so many locations...
484	require("core/deprecations")	172✔
485
486	return SILE	172✔

sile-typesetter / sile / 5934519125

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