RedfishPkg/Include/Library/JsonLib.h | 21 +++++++++++++++++++++ RedfishPkg/Library/JsonLib/JsonLib.c | 26 ++++++++++++++++++++++++++ 2 files changed, 47 insertions(+)
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..8a30c5250b 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 CHAR8 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 CHAR8 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..3693299afb 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 CHAR8 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 CHAR8 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
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Thanks for addressing my comment. The function header looks good to me now.
Reviewed-by: Nickle Wang <nickle.wang@hpe.com>
Thanks,
Nickle
> -----Original Message-----
> From: Chang, Abner (HPS SW/FW Technologist) <abner.chang@hpe.com>
> Sent: Thursday, February 18, 2021 11:12 AM
> To: devel@edk2.groups.io
> Cc: Leif Lindholm <leif@nuviainc.com>; Wang, Nickle (HPS SW)
> <nickle.wang@hpe.com>; Michael D Kinney <michael.d.kinney@intel.com>
> Subject: [PATCH v2] 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..8a30c5250b 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 CHAR8 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 CHAR8 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..3693299afb 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 CHAR8 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 CHAR8 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
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