| 1 | """j8_lite.py: Low dependency library
|
| 2 |
|
| 3 | For ASDL circular dep involving prebuilt/
|
| 4 | """
|
| 5 |
|
| 6 | import fastfunc # Skip pyj8 and fastlex
|
| 7 |
|
| 8 |
|
| 9 | def EncodeString(s, unquoted_ok=False):
|
| 10 | # type: (str, bool) -> str
|
| 11 | """Convenience API that doesn't require instance of j8.Printer()
|
| 12 |
|
| 13 | This is the same logic as j8.Printer.EncodeString(), which reuses a
|
| 14 | BufWriter.
|
| 15 |
|
| 16 | If you have to create many strings, it may generate less garbage to use
|
| 17 | that method, then call BufWriter.clear() in between.
|
| 18 |
|
| 19 | Note: true false null are quoted, even when unquoted_ok=True
|
| 20 | """
|
| 21 | if unquoted_ok and fastfunc.CanOmitQuotes(s):
|
| 22 | return s
|
| 23 |
|
| 24 | return fastfunc.J8EncodeString(s, 1) # j8_fallback is true
|
| 25 |
|
| 26 |
|
| 27 | def YshEncodeString(s):
|
| 28 | # type: (str) -> str
|
| 29 |
|
| 30 | # Possibilities:
|
| 31 | # - '' then b'' - simplest logic
|
| 32 | return fastfunc.ShellEncodeString(s, 1) # ysh_fallback
|
| 33 |
|
| 34 |
|
| 35 | def MaybeShellEncode(s):
|
| 36 | # type: (str) -> str
|
| 37 | """
|
| 38 | This is like ShellEncode(s, unquoted_ok=True)
|
| 39 | But it's common, so we give it a shorter name.
|
| 40 | """
|
| 41 | if fastfunc.CanOmitQuotes(s):
|
| 42 | return s
|
| 43 |
|
| 44 | return fastfunc.ShellEncodeString(s, 0) # no ysh_fallback
|
| 45 |
|
| 46 |
|
| 47 | def ShellEncode(s):
|
| 48 | # type: (str) -> str
|
| 49 | return fastfunc.ShellEncodeString(s, 0) # no ysh_fallback
|
| 50 |
|
| 51 |
|
| 52 | def YshEncode(s, unquoted_ok=False):
|
| 53 | # type: (str, bool) -> str
|
| 54 | if unquoted_ok and fastfunc.CanOmitQuotes(s):
|
| 55 | return s
|
| 56 |
|
| 57 | return fastfunc.ShellEncodeString(s, 1) # ysh_fallback
|