webmcp

annotate framework/env/encode/file_path_element.lua @ 23:3a6fe8663b26

Code cleanup and documentation added; Year in copyright notice changed to 2009-2010

Details:
- Changed quoting style in auth.openid.xrds_document{...}
- Fixed documentation for auth.openid.initiate{...}
- Added documentation for mondelefant
- Code-cleanup in mondelefant:
-- removed unneccessary lines "rows = PQntuples(res); cols = PQnfields(res);"
-- avoided extra copy of first argument (self) in mondelefant_conn_query
-- no rawget in meta-method "__index" of database result lists and objects
-- removed unreachable "return 0;" in meta-method "__newindex" of database result lists and objects
- Year in copyright notice changed to 2009-2010
- Version string changed to "1.1.1"
author jbe
date Fri Jun 04 19:00:34 2010 +0200 (2010-06-04)
parents 9fdfb27f8e67
children
rev   line source
jbe/bsw@0 1 --[[--
jbe/bsw@0 2 encoded_path_element = -- string which can't contain evil stuff like "/"
jbe/bsw@0 3 encode.file_path_element(
jbe/bsw@0 4 path_element -- string to be encoded
jbe/bsw@0 5 )
jbe/bsw@0 6
jbe/bsw@0 7 This function is encoding a string in a way that it can be used as a file or directory name, without security risks. See the source for details.
jbe/bsw@0 8
jbe/bsw@0 9 --]]--
jbe/bsw@0 10
jbe/bsw@0 11 function encode.file_path_element(path_element)
jbe/bsw@0 12 return (
jbe/bsw@0 13 string.gsub(
jbe/bsw@0 14 string.gsub(
jbe/bsw@0 15 path_element, "[^0-9A-Za-z_%.-]",
jbe/bsw@0 16 function(char)
jbe/bsw@0 17 return string.format("%%%02x", string.byte(char))
jbe/bsw@0 18 end
jbe/bsw@0 19 ), "^%.", string.format("%%%%%02x", string.byte("."))
jbe/bsw@0 20 )
jbe/bsw@0 21 )
jbe/bsw@0 22 end

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