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authorKarl Berry <karl@freefriends.org>2021-07-01 22:08:52 +0000
committerKarl Berry <karl@freefriends.org>2021-07-01 22:08:52 +0000
commit4467ce100367149c9236a44e6ada669472bf3193 (patch)
treeeadfbea7a45e3aa6d18f9f659df5099cbf25170c /Master/texmf-dist/doc/generic
parentcc8444da595c6edc1de088b1757c72dab61334c7 (diff)
babel-latin (2jul21)
git-svn-id: svn://tug.org/texlive/trunk@59800 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/doc/generic')
-rw-r--r--Master/texmf-dist/doc/generic/babel-latin/ecclesiasticlatin.lua260
1 files changed, 0 insertions, 260 deletions
diff --git a/Master/texmf-dist/doc/generic/babel-latin/ecclesiasticlatin.lua b/Master/texmf-dist/doc/generic/babel-latin/ecclesiasticlatin.lua
deleted file mode 100644
index 5777c6d07fb..00000000000
--- a/Master/texmf-dist/doc/generic/babel-latin/ecclesiasticlatin.lua
+++ /dev/null
@@ -1,260 +0,0 @@
---
--- This is file `ecclesiasticlatin.lua',
--- generated with the docstrip utility.
---
--- The original source files were:
---
--- latin.dtx (with options: `lua')
---
--- The original version of the following Lua code has been written for the
--- polyglossia package by É. Roux and others. The code has been adapted for
--- the babel-latin package by K. Wehr.
---
--- Copyright (C) 2021 by Keno Wehr
--- All rights reserved.
---
--- This file is part of the babel-latin package.
--- ----------------------------------------------
---
--- It may be distributed and/or modified under the
--- conditions of the LaTeX Project Public License, either version 1.3
--- of this license or (at your option) any later version.
--- The latest version of this license is in
--- http://www.latex-project.org/lppl.txt
--- and version 1.3 or later is part of all distributions of LaTeX
--- version 2003/12/01 or later.
---
--- This work has the LPPL maintenance status "maintained".
---
--- The Current Maintainer of this work is Keno Wehr.
---
--- Please report errors to: https://github.com/wehro/babel-latin/issues
---
-luatexbase.provides_module({
- name = "ecclesiasticlatin",
- date = "2021-06-27",
- version = "4.0",
- description = "babel-latin punctuation spacing for ecclesiastic Latin"
-})
-local add_to_callback = luatexbase.add_to_callback
-local in_callback = luatexbase.in_callback
-local new_attribute = luatexbase.new_attribute
-local node = node
-local insert_node_before = node.insert_before
-local insert_node_after = node.insert_after
-local remove_node = node.remove
-local has_attribute = node.has_attribute
-local node_copy = node.copy
-local new_node = node.new
-local end_of_math = node.end_of_math
-local get_next = node.getnext
-local get_prev = node.getprev
-local get_property = node.getproperty
-local glue_code = node.id"glue"
-local glyph_code = node.id"glyph"
-local penalty_code = node.id"penalty"
-local kern_code = node.id"kern"
-local math_code = node.id"math"
-local userkern = 1
-local removable_skip = {
- [0] = true, -- userskip
- [13] = true, -- spaceskip
- [14] = true -- xspaceskip
-}
-local kern_node = new_node(kern_code)
-kern_node.subtype = userkern
-local function get_kern_node(dim)
- local n = node_copy(kern_node)
- n.kern = dim
- return n
-end
-local space_chars = {
- [0x20] = true, -- space
- [0xA0] = true, -- no-break space
- [0x1680] = true, -- ogham space mark
- [0x2000] = true, -- en quad
- [0x2001] = true, -- em quad
- [0x2002] = true, -- en space
- [0x2003] = true, -- em space
- [0x2004] = true, -- three-per-em-space
- [0x2005] = true, -- four-per-em space
- [0x2006] = true, -- six-per-em space
- [0x2007] = true, -- figure space
- [0x2008] = true, -- punctuation space
- [0x2009] = true, -- thin space
- [0x200A] = true, -- hair space
- [0x202F] = true, -- narrow no-break space
- [0x205F] = true, -- medium mathematical space
- [0x3000] = true -- ideographic space
-}
-local left_bracket_chars = {
- [0x28] = true, -- left parenthesis
- [0x5B] = true, -- left square bracket
- [0x7B] = true, -- left curly bracket
- [0x27E8] = true -- mathematical left angle bracket
-}
-local right_bracket_chars = {
- [0x29] = true, -- right parenthesis
- [0x5D] = true, -- right square bracket
- [0x7D] = true, -- right curly bracket
- [0x27E9] = true -- mathematical right angle bracket
-}
-local question_exclamation_chars = {
- [0x21] = true, -- exclamation mark !
- [0x3F] = true, -- question mark ?
- [0x203C] = true, -- double exclamation mark ‼
- [0x203D] = true, -- interrobang ‽
- [0x2047] = true, -- double question mark ⁇
- [0x2048] = true, -- question exclamation mark ⁈
- [0x2049] = true -- exclamation question mark ⁉
-}
-local function somespace(n)
- if n then
- local id, subtype = n.id, n.subtype
- if id == glue_code then
- return removable_skip[subtype]
- elseif id == kern_code then
- return subtype == userkern
- elseif id == glyph_code then
- return space_chars[n.char]
- end
- end
-end
-local function someleftbracket(n)
- if n then
- local id = n.id
- if id == glyph_code then
- return left_bracket_chars[n.char]
- end
- end
-end
-local function somerightbracket(n)
- if n then
- local id = n.id
- if id == glyph_code then
- return right_bracket_chars[n.char]
- end
- end
-end
-local function question_exclamation_sequence(n1, n2)
- if n1 and n2 then
- local id1 = n1.id
- local id2 = n2.id
- if id1 == glyph_code and id2 == glyph_code then
- return question_exclamation_chars[n1.char] and question_exclamation_chars[n2.char]
- end
- end
-end
-local function somepenalty(n, value)
- if n then
- local id = n.id
- if id == penalty_code then
- if value then
- return n.penalty == value
- else
- return true
- end
- end
- end
-end
-local punct_attr = new_attribute("ecclesiasticlatin_punct")
-local left_space = {}
-local right_space = {}
-local function process(head)
- local current = head
- while current do
- local id = current.id
- if id == glyph_code then
- if has_attribute(current, punct_attr) then
- local char = get_property(current) and get_property(current).glyph_info
- if not char and current.char <= 0x10FFFF then
- char = utf8.char(current.char)
- end
- local leftspace, rightspace
- if char then
- leftspace = left_space[char]
- rightspace = right_space[char]
- end
- if leftspace or rightspace then
- local fontparameters = fonts.hashes.parameters[current.font]
- local spacing_node
- if leftspace and fontparameters then
- local prev = get_prev(current)
- local space_exception = false
- if prev then
- space_exception = someleftbracket(prev)
- or question_exclamation_sequence(prev, current)
- while somespace(prev) do
- head = remove_node(head, prev)
- prev = get_prev(current)
- end
- if somepenalty(prev, 10000) then
- head = remove_node(head, prev)
- end
- end
- spacing_node = get_kern_node(leftspace * fontparameters.quad)
- if not space_exception then
- head = insert_node_before(head, current, spacing_node)
- end
- end
- if rightspace and fontparameters then
- local next = get_next(current)
- local space_exception = false
- if next then
- space_exception = somerightbracket(next)
- local nextnext = get_next(next)
- if somepenalty(next, 10000) and somespace(nextnext) then
- head, next = remove_node(head, next)
- end
- while somespace(next) do
- head, next = remove_node(head, next)
- end
- end
- spacing_node = get_kern_node(rightspace * fontparameters.quad)
- if not space_exception then
- head, current = insert_node_after(head, current, spacing_node)
- end
- end
- end
- end
- elseif id == math_code then
- current = end_of_math(current)
- end
- current = get_next(current)
- end
- return head
-end
-local hairspace = 0.08333 -- 1/12
-local function space_left(char)
- left_space[char] = hairspace
-end
-local function space_right(char, kern)
- right_space[char] = hairspace
-end
-space_left('!')
-space_left('?')
-space_left('‼')
-space_left('⁇')
-space_left('⁈')
-space_left('⁉')
-space_left('‽') -- U+203D (interrobang)
-space_left(':')
-space_left(';')
-space_left('»')
-space_left('›')
-space_right('«')
-space_right('‹')
-local function activate()
- tex.setattribute(punct_attr, 1)
- for _, callback_name in ipairs{ "pre_linebreak_filter", "hpack_filter" } do
- if not in_callback(callback_name, "ecclesiasticlatin-punct.process") then
- add_to_callback(callback_name, process, "ecclesiasticlatin-punct.process", 1)
- end
- end
-end
-local function deactivate()
- tex.setattribute(punct_attr, -0x7FFFFFFF) -- this value means "unset"
-end
-ecclesiasticlatin = ecclesiasticlatin or {}
-ecclesiasticlatin.activate_spacing = activate
-ecclesiasticlatin.deactivate_spacing = deactivate