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COMMON: Create punycode_encodepath

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This commit is contained in:
djsrv 2021-08-03 16:35:18 -04:00 committed by Eugene Sandulenko
parent 9a22c59b67
commit 6020f24661
2 changed files with 27 additions and 2 deletions
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24
common/punycode.cpp
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@ -59,6 +59,8 @@ namespace Common {
#define INITIAL_BIAS 72
#define SMAX 0x7fff
#define SPECIAL_SYMBOLS "/\":*[]+|\\?%<>,;="
static uint32 adapt_bias(uint32 delta, unsigned n_points, int is_first) {
uint32 k;
@ -196,7 +198,7 @@ bool punycode_hasprefix(const String src) {
bool punycode_needEncode(const String src) {
for (uint si = 0; si < src.size(); si++) {
if (src[si] & 0x80 || src[si] < 0x20) {
if (src[si] & 0x80 || src[si] < 0x20 || strchr(SPECIAL_SYMBOLS, src[si])) {
return true;
}
}
@ -304,7 +306,7 @@ String punycode_encodefilename(const String src) {
dst += '\x81';
dst += '\x79';
// Encode special symbols and non-printables
} else if (strchr("/\":*[]+|\\?%<>,;=", src[i]) || (byte)src[i] < 0x20) {
} else if (strchr(SPECIAL_SYMBOLS, src[i]) || (byte)src[i] < 0x20) {
dst += '\x81';
dst += (byte)src[i] + '\x80';
} else {
@ -365,4 +367,22 @@ Path punycode_decodepath(const Path &src) {
return Path(res, DIR_SEPARATOR);
}
Path punycode_encodepath(const Path &src) {
StringTokenizer tok(src.rawString(), Common::String(DIR_SEPARATOR));
String res;
while (!tok.empty()) {
String part = tok.nextToken();
if (punycode_needEncode(part))
res += punycode_encodefilename(part);
else
res += part;
if (!tok.empty())
res += DIR_SEPARATOR;
}
return Path(res, DIR_SEPARATOR);
}
} // end of namespace Common

5
common/punycode.h
View File

@ -72,6 +72,11 @@ String punycode_decodefilename(const String src1);
*/
Path punycode_decodepath(const Path &src);
/**
* Convert path to Punycode with '/' as separators
*/
Path punycode_encodepath(const Path &src);
bool punycode_hasprefix(const String src);
bool punycode_needEncode(const String src);