cloudly-min/.rclone_repo/backend/jottacloud/replace.go

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This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

/*
Translate file names for JottaCloud adapted from OneDrive
The following characters are JottaClous reserved characters, and can't
be used in JottaCloud folder and file names.
jottacloud = "/" / "\" / "*" / "<" / ">" / "?" / "!" / "&" / ":" / ";" / "|" / "#" / "%" / """ / "'" / "." / "~"
*/
package jottacloud
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 PLUS SIGN
'*': '', // FULLWIDTH ASTERISK
'<': '', // FULLWIDTH LESS-THAN SIGN
'>': '', // FULLWIDTH GREATER-THAN SIGN
'?': '', // FULLWIDTH QUESTION MARK
'!': '', // FULLWIDTH EXCLAMATION MARK
'&': '', // FULLWIDTH AMPERSAND
':': '', // FULLWIDTH COLON
';': '', // FULLWIDTH SEMICOLON
'|': '', // FULLWIDTH VERTICAL LINE
'#': '', // FULLWIDTH NUMBER SIGN
'%': '', // FULLWIDTH PERCENT SIGN
'"': '', // FULLWIDTH QUOTATION MARK - not on the list but seems to be reserved
'\'': '', // FULLWIDTH APOSTROPHE
'~': '', // FULLWIDTH TILDE
' ': '␠', // SYMBOL FOR SPACE
}
invCharMap map[rune]rune
fixStartingWithSpace = regexp.MustCompile(`(/|^) `)
fixEndingWithSpace = 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 {
// Filenames can't start with space
in = fixStartingWithSpace.ReplaceAllString(in, "$1"+string(charMap[' ']))
// Filenames can't end with space
in = fixEndingWithSpace.ReplaceAllString(in, string(charMap[' '])+"$1")
return strings.Map(func(c rune) rune {
if replacement, ok := charMap[c]; ok && 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)
}