diff options
Diffstat (limited to 'quickjs.c')
| -rw-r--r-- | quickjs.c | 53 |
1 files changed, 53 insertions, 0 deletions
@@ -44570,6 +44570,58 @@ void *lre_realloc(void *opaque, void *ptr, size_t size) return js_realloc_rt(ctx->rt, ptr, size); } +static JSValue js_regexp_escape(JSContext *ctx, JSValueConst this_val, + int argc, JSValueConst *argv) +{ + JSValue str; + StringBuffer b_s, *b = &b_s; + JSString *p; + uint32_t c, i; + char s[16]; + + if (!JS_IsString(argv[0])) + return JS_ThrowTypeError(ctx, "not a string"); + str = JS_ToString(ctx, argv[0]); /* must call it to linearlize ropes */ + if (JS_IsException(str)) + return JS_EXCEPTION; + p = JS_VALUE_GET_STRING(str); + string_buffer_init2(ctx, b, 0, p->is_wide_char); + for (i = 0; i < p->len; i++) { + c = string_get(p, i); + if (c < 33) { + if (c >= 9 && c <= 13) { + string_buffer_putc8(b, '\\'); + string_buffer_putc8(b, "tnvfr"[c - 9]); + } else { + goto hex2; + } + } else if (c < 128) { + if ((c >= '0' && c <= '9') + || (c >= 'A' && c <= 'Z') + || (c >= 'a' && c <= 'z')) { + if (i == 0) + goto hex2; + } else if (strchr(",-=<>#&!%:;@~'`\"", c)) { + goto hex2; + } else if (c != '_') { + string_buffer_putc8(b, '\\'); + } + string_buffer_putc8(b, c); + } else if (c < 256) { + hex2: + snprintf(s, sizeof(s), "\\x%02x", c); + string_buffer_puts8(b, s); + } else if (is_surrogate(c) || lre_is_space(c)) { + snprintf(s, sizeof(s), "\\u%04x", c); + string_buffer_puts8(b, s); + } else { + string_buffer_putc16(b, c); + } + } + JS_FreeValue(ctx, str); + return string_buffer_end(b); +} + static JSValue js_regexp_exec(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv) { @@ -45617,6 +45669,7 @@ done: } static const JSCFunctionListEntry js_regexp_funcs[] = { + JS_CFUNC_DEF("escape", 1, js_regexp_escape ), JS_CGETSET_DEF("[Symbol.species]", js_get_this, NULL ), //JS_CFUNC_DEF("__RegExpExec", 2, js_regexp___RegExpExec ), //JS_CFUNC_DEF("__RegExpDelete", 2, js_regexp___RegExpDelete ), |