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| author | Juan Carlos <juancarlospaco@gmail.com> | 2021-01-02 04:10:38 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-01-02 08:10:38 +0100 |
| commit | 1d2e2b5a5b70cc20c79fc3d02a8f3e220b00b3a3 (patch) | |
| tree | c87a883fcfc5cb7ab94083e680875b886b525a23 | |
| parent | 73a8b950cb6abf36a0d29c210bb7db302ae68325 (diff) | |
| download | Nim-1d2e2b5a5b70cc20c79fc3d02a8f3e220b00b3a3.tar.gz | |
Add mimetypes.mimesLongest (#16480)
* Allow single alloc mimetypes ops * Allow single alloc mimetypes ops * Update lib/pure/mimetypes.nim Co-authored-by: flywind <43030857+xflywind@users.noreply.github.com> * https://github.com/nim-lang/Nim/pull/16480#issuecomment-752630190 * https://github.com/nim-lang/Nim/pull/16480#issuecomment-752630190 * https://github.com/nim-lang/Nim/pull/16480#issuecomment-753349661 * update changelog Co-authored-by: flywind <43030857+xflywind@users.noreply.github.com>
| -rw-r--r-- | changelog.md | 3 | ||||
| -rw-r--r-- | lib/pure/mimetypes.nim | 29 |
2 files changed, 31 insertions, 1 deletions
diff --git a/changelog.md b/changelog.md index c6a1d17d9..b10b9607a 100644 --- a/changelog.md +++ b/changelog.md @@ -81,6 +81,9 @@ - Added `httpcore.is1xx` and missing HTTP codes. - Added `jsconsole.jsAssert` for JavaScript target. +- Added `mimetypes.mimesExtMaxLen` thats equal to the length of the longest "ext" from `mimes`. +- Added `mimetypes.mimesMaxLen` thats equal to the length of the longest "mime" from `mimes`. + ## Language changes diff --git a/lib/pure/mimetypes.nim b/lib/pure/mimetypes.nim index 206783929..880ccdff1 100644 --- a/lib/pure/mimetypes.nim +++ b/lib/pure/mimetypes.nim @@ -8,7 +8,7 @@ # ## This module implements a mimetypes database -import strtabs +import strtabs, std/private/since from strutils import startsWith, toLowerAscii, strip type @@ -1917,6 +1917,33 @@ func register*(mimedb: var MimeDB, ext: string, mimetype: string) = {.noSideEffect.}: mimedb.mimes[ext.toLowerAscii()] = mimetype.toLowerAscii() + +since (1, 5): + func mimesLongest(): array[2, int] {.compiletime.} = + runnableExamples: + static: + doAssert mimesLongest() >= (ext: 24, mime: 73) + var currentKeyLength, currentValLength: int + for item in mimes: + currentKeyLength = item[0].len + currentValLength = item[1].len + if currentKeyLength > result[0]: result[0] = currentKeyLength + if currentValLength > result[1]: result[1] = currentValLength + + const + ctValue = mimesLongest() # Use 2 const instead of func, save tuple unpack. + mimesExtMaxLen*: int = ctValue[0] ## \ + ## The length of the longest "ext" from `mimes`, + ## this is useful for optimizations with `newStringOfCap` and `newString`. + mimesMaxLen*: int = ctValue[1] ## \ + ## The length of the longest "mime" from `mimes`, + ## this is useful for optimizations with `newStringOfCap` and `newString`. + ## + ## See also: + ## * `newStringOfCap <system.html#newStringOfCap>`_ + ## * `newString <system.html#newString>`_ + + runnableExamples: static: block: |