diff options
Diffstat (limited to 'support/cluttex/src/texrunner/safename.lua')
-rw-r--r-- | support/cluttex/src/texrunner/safename.lua | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/support/cluttex/src/texrunner/safename.lua b/support/cluttex/src/texrunner/safename.lua new file mode 100644 index 0000000000..0014b59b92 --- /dev/null +++ b/support/cluttex/src/texrunner/safename.lua @@ -0,0 +1,62 @@ +--[[ + Copyright 2019 ARATA Mizuki + + This file is part of ClutTeX. + + ClutTeX is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ClutTeX is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with ClutTeX. If not, see <http://www.gnu.org/licenses/>. +]] + +local string = string +local table = table + +local function dounsafechar(c) + if c == " " then + return "_" + else + return string.format("_%02x", c:byte(1)) + end +end + +local function escapejobname(name) + return (string.gsub(name, "[%s\"$%%&'();<>\\^`|]", dounsafechar)) +end + +local function handlespecialchar(s) + return (string.gsub(s, "[%\\%%^%{%}%~%#]", "~\\%1")) +end + +local function handlespaces(s) + return (string.gsub(s, " +", function(s) return string.rep(" ", #s, "~") end)) +end + +local function handlenonascii(s) + return (string.gsub(s, "[\x80-\xFF]+", "\\detokenize{%1}")) +end + +local function safeinput(name, engine) + local escaped = handlespaces(handlespecialchar(name)) + if engine.name == "pdftex" or engine.name == "pdflatex" then + escaped = handlenonascii(escaped) + end + if name == escaped then + return string.format("\\input\"%s\"", name) + else + return string.format("\\begingroup\\escapechar-1\\let~\\string\\edef\\x{\"%s\" }\\expandafter\\endgroup\\expandafter\\input\\x", escaped) + end +end + +return { + escapejobname = escapejobname, + safeinput = safeinput, +} |