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Add methods to detect arrays (#282)

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I have a use case where a user can hand me many different kinds of
types, array buffer, uint8array, or a string, and I need to be able to
distingush between them.

Signed-off-by: Tyler Rockwood <rockwood@redpanda.com>
This commit is contained in:
Tyler Rockwood 2024-02-28 05:17:18 -06:00 committed by GitHub
parent 377e6a6c06
commit ec4f957ca1
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2 changed files with 9 additions and 0 deletions
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7
quickjs.c
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@ -48224,6 +48224,10 @@ JSValue JS_NewArrayBuffer(JSContext *ctx, uint8_t *buf, size_t len,
buf, free_func, opaque, FALSE);
}
JS_BOOL JS_IsArrayBuffer(JSValue obj) {
return JS_GetClassID(obj) == JS_CLASS_ARRAY_BUFFER;
}
/* create a new ArrayBuffer of length 'len' and copy 'buf' to it */
JSValue JS_NewArrayBufferCopy(JSContext *ctx, const uint8_t *buf, size_t len)
{
@ -50720,6 +50724,9 @@ JSValue JS_NewUint8ArrayCopy(JSContext *ctx, const uint8_t *buf, size_t len)
return js_new_uint8array(ctx, buffer);
}
JS_BOOL JS_IsUint8Array(JSValue obj) {
return JS_GetClassID(obj) == JS_CLASS_UINT8_ARRAY;
}
/* Atomics */
#ifdef CONFIG_ATOMICS

2
quickjs.h
View file

@ -748,6 +748,7 @@ JS_EXTERN JSValue JS_NewArrayBuffer(JSContext *ctx, uint8_t *buf, size_t len,
JS_EXTERN JSValue JS_NewArrayBufferCopy(JSContext *ctx, const uint8_t *buf, size_t len);
JS_EXTERN void JS_DetachArrayBuffer(JSContext *ctx, JSValue obj);
JS_EXTERN uint8_t *JS_GetArrayBuffer(JSContext *ctx, size_t *psize, JSValue obj);
JS_EXTERN JS_BOOL JS_IsArrayBuffer(JSValue obj);
JS_EXTERN uint8_t *JS_GetUint8Array(JSContext *ctx, size_t *psize, JSValue obj);
JS_EXTERN JSValue JS_GetTypedArrayBuffer(JSContext *ctx, JSValue obj,
size_t *pbyte_offset,
@ -756,6 +757,7 @@ JS_EXTERN JSValue JS_GetTypedArrayBuffer(JSContext *ctx, JSValue obj,
JS_EXTERN JSValue JS_NewUint8Array(JSContext *ctx, uint8_t *buf, size_t len,
JSFreeArrayBufferDataFunc *free_func, void *opaque,
JS_BOOL is_shared);
JS_EXTERN JS_BOOL JS_IsUint8Array(JSValue obj);
JS_EXTERN JSValue JS_NewUint8ArrayCopy(JSContext *ctx, const uint8_t *buf, size_t len);
typedef struct {
void *(*sab_alloc)(void *opaque, size_t size);