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Json: Parse surrogate-pairs correctly in unicode-escaped strings [#487]

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gnosygnu
2019-06-02 16:43:39 -04:00
parent 641a17621f
commit 43cc4b15e8
4 changed files with 33 additions and 5 deletions
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9
100_core/src/gplx/core/intls/Utf16_.java
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@@ -132,4 +132,13 @@ public class Utf16_ {
else if (c < 65536) return 3; // 1 << 16
else throw Err_.new_wo_type("UTF-16 int must be between 0 and 65536", "char", c);
}
public static final int // REF: https://en.wikipedia.org/wiki/Universal_Character_Set_characters
Surrogate_hi_bgn = 0xD800 // 55,296: Surrogate high start
, Surrogate_hi_end = 0xDBFF // 56,319: Surrogate high end
, Surrogate_lo_bgn = 0xDC00 // 56,320: Surrogate low start
, Surrogate_lo_end = 0xDFFF // 57,343: Surrogate low end
, Surrogate_cp_bgn = 0x010000 // 65,536: Surrogate codepoint start
, Surrogate_cp_end = 0x10FFFF // 1,114,111: Surrogate codepoint end
, Surrogate_range = 0x400 // 1,024: Surrogate range (end - start) for high / low
;
}