summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/doc/support/cluttex/src/texrunner/shellutil_unix.lua
diff options
context:
space:
mode:
Diffstat (limited to 'Master/texmf-dist/doc/support/cluttex/src/texrunner/shellutil_unix.lua')
-rw-r--r--Master/texmf-dist/doc/support/cluttex/src/texrunner/shellutil_unix.lua62
1 files changed, 62 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/support/cluttex/src/texrunner/shellutil_unix.lua b/Master/texmf-dist/doc/support/cluttex/src/texrunner/shellutil_unix.lua
new file mode 100644
index 00000000000..c506e26ffba
--- /dev/null
+++ b/Master/texmf-dist/doc/support/cluttex/src/texrunner/shellutil_unix.lua
@@ -0,0 +1,62 @@
+--[[
+ Copyright 2016 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 assert = assert
+local string_match = string.match
+local table = table
+local table_insert = table.insert
+local table_concat = table.concat
+
+-- s: string
+local function escape(s)
+ local len = #s
+ local result = {}
+ local t,i = string_match(s, "^([^']*)()")
+ assert(t)
+ if t ~= "" then
+ table_insert(result, "'")
+ table_insert(result, t)
+ table_insert(result, "'")
+ end
+ while i < len do
+ t,i = string_match(s, "^('+)()", i)
+ assert(t)
+ table_insert(result, '"')
+ table_insert(result, t)
+ table_insert(result, '"')
+ t,i = string_match(s, "^([^']*)()", i)
+ assert(t)
+ if t ~= "" then
+ table_insert(result, "'")
+ table_insert(result, t)
+ table_insert(result, "'")
+ end
+ end
+ return table_concat(result, "")
+end
+
+-- TEST CODE
+assert(escape([[Hello world!]]) == [['Hello world!']])
+assert(escape([[Hello' world!]]) == [['Hello'"'"' world!']])
+assert(escape([[Hello' world!"]]) == [['Hello'"'"' world!"']])
+-- END TEST CODE
+
+return {
+ escape = escape,
+}