回复: [edk2-devel] [PATCH] RedfishPkg/JsonLib: Add JsonLoadString function

["gaoliming" <gaoliming@byosoft.com.cn>]

Abner:
  What's the usage for this new API?

Thanks
Liming
> -----邮件原件-----
> 发件人: bounce+27952+70886+4905953+8761045@groups.io
> <bounce+27952+70886+4905953+8761045@groups.io> 代表 Abner Chang
> 发送时间: 2021年1月29日 12:20
> 收件人: devel@edk2.groups.io
> 抄送: Leif Lindholm <leif@nuviainc.com>; Nickle Wang
> <nickle.wang@hpe.com>; Michael D Kinney <michael.d.kinney@intel.com>
> 主题: [edk2-devel] [PATCH] RedfishPkg/JsonLib: Add JsonLoadString function
> 
> Add JsonLoadString function to load a NULL terminated-string JSON
> 
> Signed-off-by: Abner Chang <abner.chang@hpe.com>
> 
> Cc: Leif Lindholm <leif@nuviainc.com>
> Cc: Nickle Wang <nickle.wang@hpe.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> ---
>  RedfishPkg/Include/Library/JsonLib.h | 21 +++++++++++++++++++++
>  RedfishPkg/Library/JsonLib/JsonLib.c | 26 ++++++++++++++++++++++++++
>  2 files changed, 47 insertions(+)
> 
> diff --git a/RedfishPkg/Include/Library/JsonLib.h
> b/RedfishPkg/Include/Library/JsonLib.h
> index 3c10f67d27..82ca4bad60 100644
> --- a/RedfishPkg/Include/Library/JsonLib.h
> +++ b/RedfishPkg/Include/Library/JsonLib.h
> @@ -664,6 +664,27 @@ JsonDumpString (
>    IN    UINTN               Flags
>    );
> 
> +/**
> +  Convert a string to JSON object.
> +  The function is used to convert a NULL terminated UTF8 encoded string
to
> a JSON
> +  value. Only object and array represented strings can be converted
> successfully,
> +  since they are the only valid root values of a JSON text for UEFI
usage.
> +
> +  Real number and number with exponent part are not supportted by UEFI.
> +
> +  Caller needs to cleanup the root value by calling JsonValueFree().
> +
> +  @param[in]   String        The NULL terminated UTF8 encoded string
> to convert
> +
> +  @retval      Array JSON value or object JSON value, or NULL when any
> error occurs.
> +
> +**/
> +EDKII_JSON_VALUE
> +EFIAPI
> +JsonLoadString (
> +  IN   CONST CHAR8*    String
> +  );
> +
>  /**
>    Load JSON from a buffer.
> 
> diff --git a/RedfishPkg/Library/JsonLib/JsonLib.c
> b/RedfishPkg/Library/JsonLib/JsonLib.c
> index 34ff381aee..00dedc1c60 100644
> --- a/RedfishPkg/Library/JsonLib/JsonLib.c
> +++ b/RedfishPkg/Library/JsonLib/JsonLib.c
> @@ -819,6 +819,32 @@ JsonDumpString (
>      return json_dumps((json_t *)JsonValue, Flags);
>  }
> 
> +/**
> +  Convert a string to JSON object.
> +  The function is used to convert a NULL terminated UTF8 encoded string
to
> a JSON
> +  value. Only object and array represented strings can be converted
> successfully,
> +  since they are the only valid root values of a JSON text for UEFI
usage.
> +
> +  Real number and number with exponent part are not supportted by UEFI.
> +
> +  Caller needs to cleanup the root value by calling JsonValueFree().
> +
> +  @param[in]   String        The NULL terminated UTF8 encoded string
> to convert
> +
> +  @retval      Array JSON value or object JSON value, or NULL when any
> error occurs.
> +
> +**/
> +EDKII_JSON_VALUE
> +EFIAPI
> +JsonLoadString (
> +  IN    CONST CHAR8*    String
> +  )
> +{
> +  json_error_t    JsonError;
> +
> +  return (EDKII_JSON_VALUE) json_loads ((const char *)String, 0,
> &JsonError);
> +}
> +
>  /**
>    Load JSON from a buffer.
> 
> --
> 2.17.1
> 
> 
> 
> 
>