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From: Alexander Turenko <alexander.turenko@tarantool.org>
To: Vladislav Shpilevoy <v.shpilevoy@tarantool.org>
Cc: kostja@tarantool.org, tarantool-patches@freelists.org
Subject: [tarantool-patches] Re: [PATCH 2/7] lua: implement string.u_count
Date: Sat, 28 Apr 2018 04:10:56 +0300	[thread overview]
Message-ID: <20180428011055.h55f36uitb7txrg2@tkn_work_nb> (raw)
In-Reply-To: <a89c3b4d0946d32673fa3a6a4570a3002de4f81b.1524698920.git.v.shpilevoy@tarantool.org>

Just one tiny comment below.

WBR, Alexander Turenko.

On Thu, Apr 26, 2018 at 02:29:02AM +0300, Vladislav Shpilevoy wrote:
> Lua can not calculate length of a unicode string correctly. But
> Tarantool has ICU on board - lets use it to calculate length.
> 
> u_count has options, that allows to count only symbols of a
> specific class, for example, only capital letters, or digits.
> Options can be combined.
> 
> Closes #3081
> ---
>  extra/exports                |  1 +
>  src/CMakeLists.txt           |  1 +
>  src/lua/string.lua           | 52 ++++++++++++++++++++++++++++++++++++++++++++
>  src/util.c                   | 48 +++++++++++++++++++++++++++++++++++++++-
>  test/app-tap/string.test.lua | 22 ++++++++++++++++++-
>  5 files changed, 122 insertions(+), 2 deletions(-)
> 
> <...>
> diff --git a/src/util.c b/src/util.c
> index 9458695b9..c117dee05 100644
> --- a/src/util.c
> +++ b/src/util.c
> <...>
> +/**
> + * Get length of a UTF8 string.
> + * @param s UTF8 string.
> + * @param bsize Binary size of @an s.

Whether it worth to clarify that it is w/o trailing '\0'?

> + * @param flags Binary OR of u_count_class flags.
> + * @retval >=0 Count of symbols matched one of @a flags.
> + * @retval  <0 Invalid UTF8 on the position -1 * returned value.
> + */
> +int
> +u_count(const char *s, int bsize, uint8_t flags)
> +{

  parent reply	other threads:[~2018-04-28  1:10 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-25 23:29 [tarantool-patches] [PATCH 0/7] Expose ICU into Lua Vladislav Shpilevoy
2018-04-25 23:29 ` [tarantool-patches] [PATCH 1/7] lua: expose ICU upper/lower functions to Lua Vladislav Shpilevoy
2018-04-28  0:56   ` [tarantool-patches] " Alexander Turenko
2018-04-25 23:29 ` [tarantool-patches] [PATCH 2/7] lua: implement string.u_count Vladislav Shpilevoy
2018-04-26 10:36   ` [tarantool-patches] " Vladislav Shpilevoy
2018-04-26 16:07   ` Vladislav Shpilevoy
2018-04-26 23:57   ` Vladislav Shpilevoy
2018-04-28  1:10   ` Alexander Turenko [this message]
2018-04-25 23:29 ` [tarantool-patches] [PATCH 3/7] alter: fix assertion in collations alter Vladislav Shpilevoy
2018-04-25 23:29 ` [tarantool-patches] [PATCH 4/7] Move struct on_access_denied_ctx into error.h Vladislav Shpilevoy
2018-04-25 23:29 ` [tarantool-patches] [PATCH 5/7] Merge box_error, stat and collations into core library Vladislav Shpilevoy
2018-04-25 23:29 ` [tarantool-patches] [PATCH 6/7] Always store built-in collations in the cache Vladislav Shpilevoy
2018-04-25 23:29 ` [tarantool-patches] [PATCH 7/7] lua: expose u_compare/u_icompare into Lua Vladislav Shpilevoy
2018-04-28  1:55 ` [tarantool-patches] Re: [PATCH 0/7] Expose ICU " Alexander Turenko

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