mirror of
https://github.com/DarkFlippers/unleashed-firmware
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0154018363
* FBT: cdefines to env, libs order * API: strtod, modf, itoa, calloc * Apps: elk js * Apps: mjs * JS: scripts as assets * mjs: composite resolver * mjs: stack trace * ELK JS example removed * MJS thread, MJS lib modified to support script interruption * JS console UI * Module system, BadUSB bindings rework * JS notifications, simple dialog, BadUSB demo * Custom dialogs, dialog demo * MJS as system library, some dirty hacks to make it compile * Plugin-based js modules * js_uart(BadUART) module * js_uart: support for byte array arguments * Script icon and various fixes * File browser: multiple extensions filter, running js scripts from app loader * Running js scripts from archive browser * JS Runner as system app * Example scripts moved to /ext/apps/Scripts * JS bytecode listing generation * MJS builtin printf cleanup * JS examples cleanup * mbedtls version fix * Unused lib cleanup * Making PVS happy & TODOs cleanup * TODOs cleanup #2 * MJS: initial typed arrays support * JS: fix mem leak in uart destructor Co-authored-by: SG <who.just.the.doctor@gmail.com> Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
126 lines
3.7 KiB
C
126 lines
3.7 KiB
C
/*
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* Copyright (c) 2016 Cesanta Software Limited
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* All rights reserved
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*/
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#ifndef MJS_OBJECT_PUBLIC_H_
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#define MJS_OBJECT_PUBLIC_H_
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#include <stddef.h>
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#include "mjs_core_public.h"
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#include "mjs_ffi_public.h"
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#if defined(__cplusplus)
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extern "C" {
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#endif /* __cplusplus */
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/*
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* Returns true if the given value is an object or array.
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*/
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int mjs_is_object(mjs_val_t v);
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/*
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* Returns true if the given value type is object-based (object, array, dataview).
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*/
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int mjs_is_object_based(mjs_val_t v);
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/* Make an empty object */
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mjs_val_t mjs_mk_object(struct mjs* mjs);
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/* Field types for struct-object conversion. */
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enum mjs_struct_field_type {
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MJS_STRUCT_FIELD_TYPE_INVALID,
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MJS_STRUCT_FIELD_TYPE_STRUCT, /* Struct, arg points to def. */
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MJS_STRUCT_FIELD_TYPE_STRUCT_PTR, /* Ptr to struct, arg points to def. */
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MJS_STRUCT_FIELD_TYPE_INT,
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MJS_STRUCT_FIELD_TYPE_BOOL,
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MJS_STRUCT_FIELD_TYPE_DOUBLE,
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MJS_STRUCT_FIELD_TYPE_FLOAT,
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MJS_STRUCT_FIELD_TYPE_CHAR_PTR, /* NUL-terminated string. */
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MJS_STRUCT_FIELD_TYPE_VOID_PTR, /* Converted to foreign ptr. */
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MJS_STRUCT_FIELD_TYPE_MG_STR_PTR, /* Converted to string. */
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MJS_STRUCT_FIELD_TYPE_MG_STR, /* Converted to string. */
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MJS_STRUCT_FIELD_TYPE_DATA, /* Data, arg is length, becomes string. */
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MJS_STRUCT_FIELD_TYPE_INT8,
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MJS_STRUCT_FIELD_TYPE_INT16,
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MJS_STRUCT_FIELD_TYPE_UINT8,
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MJS_STRUCT_FIELD_TYPE_UINT16,
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/*
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* User-provided function. Arg is a pointer to function that takes void *
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* (pointer to field within the struct) and returns mjs_val_t:
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* mjs_val_t field_value(struct mjs *mjs, const void *field_ptr) { ... }
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*/
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MJS_STRUCT_FIELD_TYPE_CUSTOM,
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};
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/* C structure layout descriptor - needed by mjs_struct_to_obj */
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struct mjs_c_struct_member {
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const char* name;
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int offset;
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enum mjs_struct_field_type type;
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const void* arg; /* Additional argument, used for some types. */
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};
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/* Create flat JS object from a C memory descriptor */
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mjs_val_t
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mjs_struct_to_obj(struct mjs* mjs, const void* base, const struct mjs_c_struct_member* members);
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/*
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* Lookup property `name` in object `obj`. If `obj` holds no such property,
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* an `undefined` value is returned.
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*
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* If `name_len` is ~0, `name` is assumed to be NUL-terminated and
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* `strlen(name)` is used.
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*/
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mjs_val_t mjs_get(struct mjs* mjs, mjs_val_t obj, const char* name, size_t name_len);
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/*
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* Like mjs_get but with a JS string.
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*/
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mjs_val_t mjs_get_v(struct mjs* mjs, mjs_val_t obj, mjs_val_t name);
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/*
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* Like mjs_get_v but lookup the prototype chain.
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*/
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mjs_val_t mjs_get_v_proto(struct mjs* mjs, mjs_val_t obj, mjs_val_t key);
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/*
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* Set object property. Behaves just like JavaScript assignment.
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*/
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mjs_err_t mjs_set(struct mjs* mjs, mjs_val_t obj, const char* name, size_t len, mjs_val_t val);
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/*
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* Like mjs_set but the name is already a JS string.
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*/
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mjs_err_t mjs_set_v(struct mjs* mjs, mjs_val_t obj, mjs_val_t name, mjs_val_t val);
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/*
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* Delete own property `name` of the object `obj`. Does not follow the
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* prototype chain.
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*
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* If `name_len` is ~0, `name` is assumed to be NUL-terminated and
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* `strlen(name)` is used.
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*
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* Returns 0 on success, -1 on error.
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*/
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int mjs_del(struct mjs* mjs, mjs_val_t obj, const char* name, size_t len);
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/*
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* Iterate over `obj` properties.
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* First call should set `iterator` to MJS_UNDEFINED.
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* Return object's key (a string), or MJS_UNDEFINED when no more keys left.
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* Do not mutate the object during iteration.
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*
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* Example:
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* mjs_val_t key, iter = MJS_UNDEFINED;
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* while ((key = mjs_next(mjs, obj, &iter)) != MJS_UNDEFINED) {
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* // Do something with the obj/key ...
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* }
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*/
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mjs_val_t mjs_next(struct mjs* mjs, mjs_val_t obj, mjs_val_t* iterator);
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#if defined(__cplusplus)
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}
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#endif /* __cplusplus */
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#endif /* MJS_OBJECT_PUBLIC_H_ */
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