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Add escapeJsonUnquoted for json escaped strings without quotes (#8785)

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* Add escapeJsonUnquoted

* Add tests for escapeJsonUnquoted
This commit is contained in:
hlaaf 2018-08-27 13:22:55 +03:00 • committed by Andreas Rumpf
commit a270899502
1 changed files with 16 additions and 4 deletions
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20
lib/pure/json.nim
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@ -545,10 +545,9 @@ proc newIndent(curr, indent: int, ml: bool): int =
proc nl(s: var string, ml: bool) =
s.add(if ml: "\n" else: " ")
proc escapeJson*(s: string; result: var string) =
## Converts a string `s` to its JSON representation.
proc escapeJsonUnquoted*(s: string; result: var string) =
## Converts a string `s` to its JSON representation without quotes.
## Appends to ``result``.
result.add("\"")
for c in s:
case c
of '\L': result.add("\\n")
@ -561,10 +560,21 @@ proc escapeJson*(s: string; result: var string) =
of '\14'..'\31': result.add("\\u00" & $ord(c))
of '\\': result.add("\\\\")
else: result.add(c)
proc escapeJsonUnquoted*(s: string): string =
## Converts a string `s` to its JSON representation without quotes.
result = newStringOfCap(s.len + s.len shr 3)
escapeJsonUnquoted(s, result)
proc escapeJson*(s: string; result: var string) =
## Converts a string `s` to its JSON representation with quotes.
## Appends to ``result``.
result.add("\"")
escapeJsonUnquoted(s, result)
result.add("\"")
proc escapeJson*(s: string): string =
## Converts a string `s` to its JSON representation.
## Converts a string `s` to its JSON representation with quotes.
result = newStringOfCap(s.len + s.len shr 3)
escapeJson(s, result)
@ -1607,6 +1617,8 @@ when isMainModule:
var parsed2 = parseFile("tests/testdata/jsontest2.json")
doAssert(parsed2{"repository", "description"}.str=="IRC Library for Haskell", "Couldn't fetch via multiply nested key using {}")
doAssert escapeJsonUnquoted("\10Foo🎃barÄ") == "\\nFoo🎃barÄ"
doAssert escapeJsonUnquoted("\0\7\20") == "\\u0000\\u0007\\u0020" # for #7887
doAssert escapeJson("\10Foo🎃barÄ") == "\"\\nFoo🎃barÄ\""
doAssert escapeJson("\0\7\20") == "\"\\u0000\\u0007\\u0020\"" # for #7887