mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-10 06:54:19 +00:00
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>
78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
/*
|
|
* Copyright (c) 2016 Cesanta Software Limited
|
|
* All rights reserved
|
|
*/
|
|
|
|
#ifndef MJS_STRING_PUBLIC_H_
|
|
#define MJS_STRING_PUBLIC_H_
|
|
|
|
#include "mjs_core_public.h"
|
|
|
|
#define MJS_STRING_LITERAL_MAX_LEN 128
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
/*
|
|
* Creates a string primitive value.
|
|
* `str` must point to the utf8 string of length `len`.
|
|
* If `len` is ~0, `str` is assumed to be NUL-terminated and `strlen(str)` is
|
|
* used.
|
|
*
|
|
* If `copy` is non-zero, the string data is copied and owned by the GC. The
|
|
* caller can free the string data afterwards. Otherwise (`copy` is zero), the
|
|
* caller owns the string data, and is responsible for not freeing it while it
|
|
* is used.
|
|
*/
|
|
mjs_val_t mjs_mk_string(struct mjs* mjs, const char* str, size_t len, int copy);
|
|
|
|
/* Returns true if given value is a primitive string value */
|
|
int mjs_is_string(mjs_val_t v);
|
|
|
|
/*
|
|
* Returns a pointer to the string stored in `mjs_val_t`.
|
|
*
|
|
* String length returned in `len`, which is allowed to be NULL. Returns NULL
|
|
* if the value is not a string.
|
|
*
|
|
* JS strings can contain embedded NUL chars and may or may not be NUL
|
|
* terminated.
|
|
*
|
|
* CAUTION: creating new JavaScript object, array, or string may kick in a
|
|
* garbage collector, which in turn may relocate string data and invalidate
|
|
* pointer returned by `mjs_get_string()`.
|
|
*
|
|
* Short JS strings are embedded inside the `mjs_val_t` value itself. This
|
|
* is why a pointer to a `mjs_val_t` is required. It also means that the string
|
|
* data will become invalid once that `mjs_val_t` value goes out of scope.
|
|
*/
|
|
const char* mjs_get_string(struct mjs* mjs, mjs_val_t* v, size_t* len);
|
|
|
|
/*
|
|
* Returns a pointer to the string stored in `mjs_val_t`.
|
|
*
|
|
* Returns NULL if the value is not a string or if the string is not compatible
|
|
* with a C string.
|
|
*
|
|
* C compatible strings contain exactly one NUL char, in terminal position.
|
|
*
|
|
* All strings owned by the MJS engine (see `mjs_mk_string()`) are guaranteed to
|
|
* be NUL terminated. Out of these, those that don't include embedded NUL chars
|
|
* are guaranteed to be C compatible.
|
|
*/
|
|
const char* mjs_get_cstring(struct mjs* mjs, mjs_val_t* v);
|
|
|
|
/*
|
|
* Returns the standard strcmp comparison code after comparing a JS string a
|
|
* with a possibly non null-terminated string b. NOTE: the strings are equal
|
|
* only if their length is equal, i.e. the len field doesn't imply strncmp
|
|
* behaviour.
|
|
*/
|
|
int mjs_strcmp(struct mjs* mjs, mjs_val_t* a, const char* b, size_t len);
|
|
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
#endif /* MJS_STRING_PUBLIC_H_ */
|