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fix #7881, control characters in json output (#7887)

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* fix #7881, control characters in json output

* Add test for control characters in json
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hlaaf 2018-05-29 02:15:37 +03:00 • committed by Varriount
commit 5866e64ebc
1 changed files with 3 additions and 0 deletions
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lib/pure/json.nim
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@ -558,6 +558,8 @@ proc escapeJson*(s: string; result: var string) =
of '\t': result.add("\\t")
of '\r': result.add("\\r")
of '"': result.add("\\\"")
of '\0'..'\7': result.add("\\u000" & $ord(c))
of '\14'..'\31': result.add("\\u00" & $ord(c))
of '\\': result.add("\\\\")
else: result.add(c)
result.add("\"")
@ -1581,6 +1583,7 @@ when isMainModule:
doAssert(parsed2{"repository", "description"}.str=="IRC Library for Haskell", "Couldn't fetch via multiply nested key using {}")
doAssert escapeJson("\10Foo🎃barÄ") == "\"\\nFoo🎃barÄ\""
doAssert escapeJson("\0\7\20") == "\"\\u0000\\u0007\\u0020\"" # for #7887
# Test with extra data
when not defined(js):