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fix unquote length, support x escape

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EinBurgbauer 2022-03-19 21:20:18 +01:00
parent 9f9f21fb8e
commit bdb5ec01ea
1 changed files with 18 additions and 1 deletions
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19
BeefLibs/corlib/src/String.bf
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@ -527,7 +527,7 @@ namespace System
public static Result<void> Unescape(char8* ptr, int length, String outString) public static Result<void> Unescape(char8* ptr, int length, String outString)
{ {
var ptr; var ptr;
char8* endPtr = ptr + length - 1; char8* endPtr = ptr + length;
while (ptr < endPtr) while (ptr < endPtr)
{ {
@ -551,7 +551,24 @@ namespace System
case 'r': outString.Append("\r"); case 'r': outString.Append("\r");
case 't': outString.Append("\t"); case 't': outString.Append("\t");
case 'v': outString.Append("\v"); case 'v': outString.Append("\v");
case 'x':
uint8 num = 0;
for (let i < 2)
{
if (ptr == endPtr)
return .Err;
let hexC = *(ptr++);
if ((hexC >= '0') && (hexC <= '9'))
num = num*0x10 + (uint8)(hexC - '0');
else if ((hexC >= 'A') && (hexC <= 'F'))
num = num*0x10 + (uint8)(c - 'A') + 10;
else if ((hexC >= 'a') && (hexC <= 'f'))
num = num*0x10 + (uint8)(hexC - 'a') + 10;
else return .Err;
}
outString.Append((char8)num);
default: default:
return .Err; return .Err;
} }