92 lines
2.7 KiB
Go
92 lines
2.7 KiB
Go
|
/*
|
||
|
|
Translate file names for one drive
|
||
|
|
|
||
|
|
OneDrive reserved characters
|
||
|
|
|
||
|
|
The following characters are OneDrive reserved characters, and can't
|
||
|
|
be used in OneDrive folder and file names.
|
||
|
|
|
||
|
|
onedrive-reserved = "/" / "\" / "*" / "<" / ">" / "?" / ":" / "|"
|
||
|
|
onedrive-business-reserved
|
||
|
|
= "/" / "\" / "*" / "<" / ">" / "?" / ":" / "|" / "#" / "%"
|
||
|
|
|
||
|
|
Note: Folder names can't end with a period (.).
|
||
|
|
|
||
|
|
Note: OneDrive for Business file or folder names cannot begin with a
|
||
|
|
tilde ('~').
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
package onedrive
|
||
|
|
|
||
|
|
import (
|
||
|
|
"regexp"
|
||
|
|
"strings"
|
||
|
|
)
|
||
|
|
|
||
|
|
// charMap holds replacements for characters
|
||
|
|
//
|
||
|
|
// Onedrive has a restricted set of characters compared to other cloud
|
||
|
|
// storage systems, so we to map these to the FULLWIDTH unicode
|
||
|
|
// equivalents
|
||
|
|
//
|
||
|
|
// http://unicode-search.net/unicode-namesearch.pl?term=SOLIDUS
|
||
|
|
var (
|
||
|
|
charMap = map[rune]rune{
|
||
|
|
'\\': '＼', // FULLWIDTH REVERSE SOLIDUS
|
||
|
|
'*': '＊', // FULLWIDTH ASTERISK
|
||
|
|
'<': '＜', // FULLWIDTH LESS-THAN SIGN
|
||
|
|
'>': '＞', // FULLWIDTH GREATER-THAN SIGN
|
||
|
|
'?': '？', // FULLWIDTH QUESTION MARK
|
||
|
|
':': '：', // FULLWIDTH COLON
|
||
|
|
'|': '｜', // FULLWIDTH VERTICAL LINE
|
||
|
|
'#': '＃', // FULLWIDTH NUMBER SIGN
|
||
|
|
'%': '％', // FULLWIDTH PERCENT SIGN
|
||
|
|
'"': '＂', // FULLWIDTH QUOTATION MARK - not on the list but seems to be reserved
|
||
|
|
'.': '．', // FULLWIDTH FULL STOP
|
||
|
|
'~': '～', // FULLWIDTH TILDE
|
||
|
|
' ': '␠', // SYMBOL FOR SPACE
|
||
|
|
}
|
||
|
|
invCharMap map[rune]rune
|
||
|
|
fixEndingInPeriod = regexp.MustCompile(`\.(/|$)`)
|
||
|
|
fixStartingWithTilde = regexp.MustCompile(`(/|^)~`)
|
||
|
|
fixStartingWithSpace = regexp.MustCompile(`(/|^) `)
|
||
|
|
)
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
// Create inverse charMap
|
||
|
|
invCharMap = make(map[rune]rune, len(charMap))
|
||
|
|
for k, v := range charMap {
|
||
|
|
invCharMap[v] = k
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// replaceReservedChars takes a path and substitutes any reserved
|
||
|
|
// characters in it
|
||
|
|
func replaceReservedChars(in string) string {
|
||
|
|
// Folder names can't end with a period '.'
|
||
|
|
in = fixEndingInPeriod.ReplaceAllString(in, string(charMap['.'])+"$1")
|
||
|
|
// OneDrive for Business file or folder names cannot begin with a tilde '~'
|
||
|
|
in = fixStartingWithTilde.ReplaceAllString(in, "$1"+string(charMap['~']))
|
||
|
|
// Apparently file names can't start with space either
|
||
|
|
in = fixStartingWithSpace.ReplaceAllString(in, "$1"+string(charMap[' ']))
|
||
|
|
// Replace reserved characters
|
||
|
|
return strings.Map(func(c rune) rune {
|
||
|
|
if replacement, ok := charMap[c]; ok && c != '.' && c != '~' && c != ' ' {
|
||
|
|
return replacement
|
||
|
|
}
|
||
|
|
return c
|
||
|
|
}, in)
|
||
|
|
}
|
||
|
|
|
||
|
|
// restoreReservedChars takes a path and undoes any substitutions
|
||
|
|
// made by replaceReservedChars
|
||
|
|
func restoreReservedChars(in string) string {
|
||
|
|
return strings.Map(func(c rune) rune {
|
||
|
|
if replacement, ok := invCharMap[c]; ok {
|
||
|
|
return replacement
|
||
|
|
}
|
||
|
|
return c
|
||
|
|
}, in)
|
||
|
|
}
|