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[njs] Added String.prototype.replaceAll().

Vadim Zhestikov via nginx-devel
February 03, 2023 09:44AM
details: https://hg.nginx.org/njs/rev/69547623da14
branches:
changeset: 2038:69547623da14
user: Vadim Zhestikov <v.zhestikov@f5.com>
date: Fri Feb 03 06:41:01 2023 -0800
description:
Added String.prototype.replaceAll().

diffstat:

src/njs_regexp.c | 2 +-
src/njs_regexp.h | 2 +
src/njs_string.c | 218 +++++++++++++++++++++++--------
src/test/njs_unit_test.c | 319 +++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 484 insertions(+), 57 deletions(-)

diffs (927 lines):

diff -r 286675dcfbc5 -r 69547623da14 src/njs_regexp.c
--- a/src/njs_regexp.c Thu Feb 02 10:01:26 2023 -0800
+++ b/src/njs_regexp.c Fri Feb 03 06:41:01 2023 -0800
@@ -1193,7 +1193,7 @@ njs_regexp_string_create(njs_vm_t *vm, n
}


-static njs_int_t
+njs_int_t
njs_regexp_prototype_symbol_replace(njs_vm_t *vm, njs_value_t *args,
njs_uint_t nargs, njs_index_t unused)
{
diff -r 286675dcfbc5 -r 69547623da14 src/njs_regexp.h
--- a/src/njs_regexp.h Thu Feb 02 10:01:26 2023 -0800
+++ b/src/njs_regexp.h Fri Feb 03 06:41:01 2023 -0800
@@ -21,6 +21,8 @@ njs_int_t njs_regexp_exec(njs_vm_t *vm,
njs_value_t *retval);
njs_int_t njs_regexp_prototype_exec(njs_vm_t *vm, njs_value_t *args,
njs_uint_t nargs, njs_index_t unused);
+njs_int_t njs_regexp_prototype_symbol_replace(njs_vm_t *vm,
+ njs_value_t *args, njs_uint_t nargs, njs_index_t unused);

njs_int_t njs_regexp_to_string(njs_vm_t *vm, njs_value_t *retval,
const njs_value_t *regexp);
diff -r 286675dcfbc5 -r 69547623da14 src/njs_string.c
--- a/src/njs_string.c Thu Feb 02 10:01:26 2023 -0800
+++ b/src/njs_string.c Fri Feb 03 06:41:01 2023 -0800
@@ -3667,21 +3667,25 @@ exception:

static njs_int_t
njs_string_prototype_replace(njs_vm_t *vm, njs_value_t *args, njs_uint_t nargs,
- njs_index_t unused)
+ njs_index_t replaceAll)
{
u_char *r;
- size_t length, size;
+ size_t length, size, increment, end_of_last_match;
int64_t pos;
njs_int_t ret;
+ njs_str_t str;
+ njs_chb_t chain;
+ njs_bool_t is_byte_or_ascii_string;
njs_value_t *this, *search, *replace;
njs_value_t search_lvalue, replace_lvalue, replacer, retval,
arguments[3];
- const u_char *p;
+ const u_char *p, *p_start;
njs_function_t *func_replace;
njs_string_prop_t string, s, ret_string;

static const njs_value_t replace_key =
njs_wellknown_symbol(NJS_SYMBOL_REPLACE);
+ static const njs_value_t string_flags = njs_string("flags");

this = njs_argument(args, 0);

@@ -3702,8 +3706,35 @@ njs_string_prototype_replace(njs_vm_t *v
}

if (njs_is_defined(&replacer)) {
- arguments[0] = *this;
- arguments[1] = *replace;
+ njs_value_assign(&arguments[0], this);
+ njs_value_assign(&arguments[1], replace);
+
+ if (replaceAll && njs_function(&replacer)->native
+ && njs_function(&replacer)->u.native ==
+ njs_regexp_prototype_symbol_replace)
+ {
+ ret = njs_value_property(vm, search,
+ njs_value_arg(&string_flags), &retval);
+ if (njs_slow_path(ret == NJS_ERROR)) {
+ return NJS_ERROR;
+ }
+
+ ret = njs_value_to_string(vm, &retval, &retval);
+ if (njs_slow_path(ret != NJS_OK)) {
+ return NJS_ERROR;
+ }
+
+ njs_string_get(&retval, &str);
+
+ if (njs_strlchr(str.start, str.start + str.length, 'g')
+ == NULL)
+ {
+ njs_type_error(vm, "String.prototype.replaceAll"
+ " called with a non-global RegExp argument",
+ njs_type_string(this->type));
+ return NJS_ERROR;
+ }
+ }

return njs_function_call(vm, njs_function(&replacer), search,
arguments, 2, &vm->retval);
@@ -3727,6 +3758,10 @@ njs_string_prototype_replace(njs_vm_t *v
if (njs_slow_path(ret != NJS_OK)) {
return ret;
}
+
+ } else {
+ njs_value_assign(&arguments[0], search);
+ njs_value_assign(&arguments[2], this);
}

(void) njs_string_prop(&string, this);
@@ -3734,69 +3769,138 @@ njs_string_prototype_replace(njs_vm_t *v

pos = njs_string_index_of(&string, &s, 0);
if (pos < 0) {
- vm->retval = *this;
+ njs_value_assign(&vm->retval, this);
return NJS_OK;
}

- if (func_replace == NULL) {
- ret = njs_string_get_substitution(vm, search, this, pos, NULL, 0, NULL,
- replace, &retval);
- if (njs_slow_path(ret != NJS_OK)) {
- return ret;
+ if (!replaceAll) {
+
+ if (func_replace == NULL) {
+ ret = njs_string_get_substitution(vm, search, this, pos, NULL, 0,
+ NULL, replace, &retval);
+ if (njs_slow_path(ret != NJS_OK)) {
+ return ret;
+ }
+
+ } else {
+ njs_set_number(&arguments[1], pos);
+
+ ret = njs_function_call(vm, func_replace,
+ njs_value_arg(&njs_value_undefined),
+ arguments, 3, &retval);
+
+ if (njs_slow_path(ret != NJS_OK)) {
+ return ret;
+ }
+
+ ret = njs_value_to_string(vm, &retval, &retval);
+ if (njs_slow_path(ret != NJS_OK)) {
+ return NJS_ERROR;
+ }
}

- } else {
- arguments[0] = *search;
- njs_set_number(&arguments[1], pos);
- arguments[2] = *this;
-
- ret = njs_function_call(vm, func_replace,
- njs_value_arg(&njs_value_undefined),
- arguments, 3, &retval);
-
- if (njs_slow_path(ret != NJS_OK)) {
- return ret;
+ if (njs_is_byte_or_ascii_string(&string)) {
+ p = string.start + pos;
+
+ } else {
+ /* UTF-8 string. */
+ p = njs_string_offset(string.start, string.start + string.size,
+ pos);
}

- ret = njs_value_to_string(vm, &retval, &retval);
- if (njs_slow_path(ret != NJS_OK)) {
+ (void) njs_string_prop(&ret_string, &retval);
+
+ size = string.size + ret_string.size - s.size;
+ length = string.length + ret_string.length - s.length;
+
+ if (njs_is_byte_string(&string)
+ || njs_is_byte_string(&s)
+ || njs_is_byte_string(&ret_string))
+ {
+ length = 0;
+ }
+
+ r = njs_string_alloc(vm, &vm->retval, size, length);
+ if (njs_slow_path(r == NULL)) {
return NJS_ERROR;
}
- }
-
- if (njs_is_byte_or_ascii_string(&string)) {
- p = string.start + pos;
-
- } else {
- /* UTF-8 string. */
- p = njs_string_offset(string.start, string.start + string.size, pos);
- }
-
- (void) njs_string_prop(&ret_string, &retval);
-
- size = string.size + ret_string.size - s.size;
- length = string.length + ret_string.length - s.length;
-
- if (njs_is_byte_string(&string)
- || njs_is_byte_string(&s)
- || njs_is_byte_string(&ret_string))
- {
- length = 0;
- }
-
- r = njs_string_alloc(vm, &vm->retval, size, length);
- if (njs_slow_path(r == NULL)) {
- return NJS_ERROR;
- }
-
- r = njs_cpymem(r, string.start, p - string.start);
- r = njs_cpymem(r, ret_string.start, ret_string.size);
- memcpy(r, p + s.size, string.size - s.size - (p - string.start));
-
- return NJS_OK;
+
+ r = njs_cpymem(r, string.start, p - string.start);
+ r = njs_cpymem(r, ret_string.start, ret_string.size);
+ memcpy(r, p + s.size, string.size - s.size - (p - string.start));
+
+ return NJS_OK;
+ }
+
+ njs_chb_init(&chain, vm->mem_pool);
+
+ p_start = string.start;
+ increment = s.length != 0 ? s.length : 1;
+ is_byte_or_ascii_string = njs_is_byte_or_ascii_string(&string);
+
+ do {
+ if (func_replace == NULL) {
+ ret = njs_string_get_substitution(vm, search, this, pos, NULL, 0,
+ NULL, replace, &retval);
+ if (njs_slow_path(ret != NJS_OK)) {
+ return ret;
+ }
+
+ } else {
+ njs_set_number(&arguments[1], pos);
+
+ ret = njs_function_call(vm, func_replace,
+ njs_value_arg(&njs_value_undefined),
+ arguments, 3, &retval);
+
+ if (njs_slow_path(ret != NJS_OK)) {
+ return ret;
+ }
+
+ ret = njs_value_to_string(vm, &retval, &retval);
+ if (njs_slow_path(ret != NJS_OK)) {
+ return NJS_ERROR;
+ }
+ }
+
+ if (is_byte_or_ascii_string) {
+ p = string.start + pos;
+
+ } else {
+ /* UTF-8 string. */
+ p = njs_string_offset(string.start, string.start + string.size,
+ pos);
+ }
+
+ (void) njs_string_prop(&ret_string, &retval);
+
+ njs_chb_append(&chain, p_start, p - p_start);
+ njs_chb_append(&chain, ret_string.start, ret_string.size);
+
+ p_start = p + s.size;
+ end_of_last_match = pos + increment;
+
+ pos = njs_string_index_of(&string, &s, end_of_last_match);
+
+ } while (pos >= 0 && end_of_last_match <= string.length);
+
+ njs_chb_append(&chain, p_start, string.start + string.size - p_start);
+
+ ret = njs_string_create_chb(vm, &vm->retval, &chain);
+ if (njs_slow_path(ret != NJS_OK)) {
+ ret = NJS_ERROR;
+ goto exception;
+ }
+
+exception:
+
+ njs_chb_destroy(&chain);
+
+ return ret;
}


+
static njs_int_t
njs_string_prototype_iterator_obj(njs_vm_t *vm, njs_value_t *args,
njs_uint_t nargs, njs_index_t kind)
@@ -4090,6 +4194,8 @@ static const njs_object_prop_t njs_stri

NJS_DECLARE_PROP_NATIVE("replace", njs_string_prototype_replace, 2, 0),

+ NJS_DECLARE_PROP_NATIVE("replaceAll", njs_string_prototype_replace, 2, 1),
+
{
.type = NJS_PROPERTY,
.name = njs_wellknown_symbol(NJS_SYMBOL_ITERATOR),
diff -r 286675dcfbc5 -r 69547623da14 src/test/njs_unit_test.c
--- a/src/test/njs_unit_test.c Thu Feb 02 10:01:26 2023 -0800
+++ b/src/test/njs_unit_test.c Fri Feb 03 06:41:01 2023 -0800
@@ -8750,198 +8750,397 @@ static njs_unit_test_t njs_test[] =
{ njs_str("'abc'.replace()"),
njs_str("abc") },

+ { njs_str("'abc'.replaceAll()"),
+ njs_str("abc") },
+
{ njs_str("'ABC'.replace('B')"),
njs_str("AundefinedC") },

+ { njs_str("'ABCB'.replaceAll('B')"),
+ njs_str("AundefinedCundefined") },
+
{ njs_str("'ABC'.replace('B', undefined)"),
njs_str("AundefinedC") },

+ { njs_str("'ABBC'.replaceAll('B', undefined)"),
+ njs_str("AundefinedundefinedC") },
+
{ njs_str("'a'.repeat(16).replace('a'.repeat(17)) === 'a'.repeat(16)"),
njs_str("true") },

+ { njs_str("'a'.repeat(16).replaceAll('a'.repeat(17)) === 'a'.repeat(16)"),
+ njs_str("true") },
+
{ njs_str("'α'.repeat(16).replace('α'.repeat(17)) === 'α'.repeat(16)"),
njs_str("true") },

+ { njs_str("'α'.repeat(16).replaceAll('α'.repeat(17)) === 'α'.repeat(16)"),
+ njs_str("true") },
+
{ njs_str("'ABC'.replace('B', null)"),
njs_str("AnullC") },

+ { njs_str("'BABCB'.replaceAll('B', null)"),
+ njs_str("nullAnullCnull") },
+
{ njs_str("'abc'.replace('c', 1)"),
njs_str("ab1") },

+ { njs_str("'cacbc'.replaceAll('c', 1)"),
+ njs_str("1a1b1") },
+
{ njs_str("'abc'.replace('a', 'X')"),
njs_str("Xbc") },

+ { njs_str("'cabac'.replaceAll('a', 'X')"),
+ njs_str("cXbXc") },
+
{ njs_str("'abc'.replace('b', 'X')"),
njs_str("aXc") },

+ { njs_str("'abc'.replaceAll('b', 'X')"),
+ njs_str("aXc") },
+
{ njs_str("('a'.repeat(33) + 'bb').replace('bb', 'CC').slice(31)"),
njs_str("aaCC") },

+ { njs_str("('a'.repeat(33) + 'bb').replaceAll('b', 'C').slice(31)"),
+ njs_str("aaCC") },
+
{ njs_str("var r = 'abc'.replace('c', 'X'); [r, r.length]"),
njs_str("abX,3") },

+ { njs_str("var r = 'acbc'.replaceAll('c', 'X'); [r, r.length]"),
+ njs_str("aXbX,4") },
+
{ njs_str("var r = 'αβγ'.replace('α', 'X'); [r, r.length]"),
njs_str("Xβγ,3") },

+ { njs_str("var r = 'αβαγα'.replaceAll('α', 'X'); [r, r.length]"),
+ njs_str("XβXγX,5") },
+
{ njs_str("var r = 'αβγ'.replace('β', 'X'); [r, r.length]"),
njs_str("αXγ,3") },

+ { njs_str("var r = 'αβγ'.replaceAll('β', 'X'); [r, r.length]"),
+ njs_str("αXγ,3") },
+
{ njs_str("var r = 'αβγ'.replace('γ', 'X'); [r, r.length]"),
njs_str("αβX,3") },

+ { njs_str("var r = 'αβγγ'.replaceAll('γ', 'X'); [r, r.length]"),
+ njs_str("αβXX,4") },
+
{ njs_str("var r = 'αβγ'.replace('', 'X'); [r, r.length]"),
njs_str("Xαβγ,4") },

+ { njs_str("var r = 'αβγ'.replaceAll('', 'X'); [r, r.length]"),
+ njs_str("XαXβXγX,7") },
+
{ njs_str("var s = 'αz'.toUTF8();"
"var r = s.replace('z', 'β');"
"r.length"),
njs_str("4") },

+ { njs_str("var s = 'αzz'.toUTF8();"
+ "var r = s.replaceAll('z', 'β');"
+ "r.length"),
+ njs_str("3") },
+
{ njs_str("'abc'.replace('b', (m, o, s) => `|${s}|${o}|${m}|`)"),
njs_str("a|abc|1|b|c") },

+ { njs_str("'abcb'.replaceAll('b', (m, o, s) => `|${s}|${o}|${m}|`)"),
+ njs_str("a|abcb|1|b|c|abcb|3|b|") },
+
{ njs_str("'abcdbe'.replace('b', '|$`X$\\'|')"),
njs_str("a|aXcdbe|cdbe") },

+ { njs_str("'abcdbe'.replaceAll('b', '|$`X$\\'|')"),
+ njs_str("a|aXcdbe|cd|abcdXe|e") },
+
+
{ njs_str("'ABC'.replace('B', '$<g>')"),
njs_str("A$<g>C") },

+ { njs_str("'ABCB'.replaceAll('B', '$<g>')"),
+ njs_str("A$<g>C$<g>") },
+
{ njs_str("'ABC'.replace('B', '$23')"),
njs_str("A$23C") },

+ { njs_str("'ABBC'.replaceAll('B', '$23')"),
+ njs_str("A$23$23C") },
+
{ njs_str("'undefined'.replace(void 0, 'x')"),
njs_str("x") },

+ { njs_str("'undefinedundefined'.replaceAll(void 0, 'x')"),
+ njs_str("xx") },
+
{ njs_str("'12345'.replace(3, () => 0)"),
njs_str("12045") },

+ { njs_str("'123435'.replaceAll(3, () => 0)"),
+ njs_str("120405") },
+
{ njs_str("var r = new String('undefined').replace(x, Function('return arguments[1]+42;')); var x; r"),
njs_str("42") },

+ { njs_str("var r = new String('undefined undefined').replaceAll(x, Function('return arguments[1]+42;')); var x; r"),
+ njs_str("42 52") },
+
{ njs_str("'123'.replace(3, function() { return {toString: ()=>({})}; })"),
njs_str("TypeError: Cannot convert object to primitive value") },

+ { njs_str("'123'.replaceAll(3, function() { return {toString: ()=>({})}; })"),
+ njs_str("TypeError: Cannot convert object to primitive value") },
+
{ njs_str("'12345'.replace(3, () => ({toString: () => 'aaaa'}))"),
njs_str("12aaaa45") },

+ { njs_str("'123435'.replaceAll(3, () => ({toString: () => 'aaaa'}))"),
+ njs_str("12aaaa4aaaa5") },
+
{ njs_str("'ABC'.replace('B', () => {throw 'OOps'})"),
njs_str("OOps") },

+ { njs_str("'ABCB'.replaceAll('B', () => {throw 'OOps'})"),
+ njs_str("OOps") },
+
{ njs_str("'abc'.replace(/a/, 'X')"),
njs_str("Xbc") },

+ { njs_str("'abc'.replaceAll(/a/, 'X')"),
+ njs_str("TypeError: String.prototype.replaceAll called with a non-global RegExp argument") },
+
+ { njs_str("'abac'.replaceAll(/a/g, 'X')"),
+ njs_str("XbXc") },
+
{ njs_str("'abccd'.replace(/c/, 'X')"),
njs_str("abXcd") },

+ { njs_str("'abccd'.replaceAll(/c/g, 'X')"),
+ njs_str("abXXd") },
+
{ njs_str("'abc'.replace(/c/, 'X')"),
njs_str("abX") },

+ { njs_str("'abc'.replaceAll(/c/g, 'X')"),
+ njs_str("abX") },
+
{ njs_str("'abccd'.replace(/c+/, 'X')"),
njs_str("abXd") },

+ { njs_str("'acccbccd'.replaceAll(/c+/g, 'X')"),
+ njs_str("aXbXd") },
+
{ njs_str("'abc'.replace(/f/, 'X')"),
njs_str("abc") },

+ { njs_str("'abc'.replaceAll(/f/g, 'X')"),
+ njs_str("abc") },
+
{ njs_str("'AB=C==='.replace(/=*$/, '')"),
njs_str("AB=C") },

+ { njs_str("'AB=C==='.replaceAll(/=*$/g, '')"),
+ njs_str("AB=C") },
+
{ njs_str("('a'.repeat(33) + 'bb').replace(/bb/, 'CC').slice(31)"),
njs_str("aaCC") },

+ { njs_str("('a'.repeat(33) + 'bb').replaceAll(/b/g, 'C').slice(31)"),
+ njs_str("aaCC") },
+
{ njs_str("'abccd'.replace(/c/g, 'X')"),
njs_str("abXXd") },

+ { njs_str("'abccd'.replaceAll(/c/g, 'X')"),
+ njs_str("abXXd") },
+
{ njs_str("('a'.repeat(33) + 'bb').replace(/bb/g, 'CC').slice(31)"),
njs_str("aaCC") },

+ { njs_str("('a'.repeat(33) + 'bb').replaceAll(/bb/g, 'CC').slice(31)"),
+ njs_str("aaCC") },
+
{ njs_str("'abccd'.replace(/[ac]/g, 'X')"),
njs_str("XbXXd") },

+ { njs_str("'abccd'.replaceAll(/[ac]/g, 'X')"),
+ njs_str("XbXXd") },
+
{ njs_str("'ab'.replace(/q*/g, 'X')"),
njs_str("XaXbX") },

+ { njs_str("'ab'.replaceAll(/q*/g, 'X')"),
+ njs_str("XaXbX") },
+
{ njs_str("'αβ'.replace(/q*/g, 'X')"),
njs_str("XαXβX") },

+ { njs_str("'αβ'.replaceAll(/q*/g, 'X')"),
+ njs_str("XαXβX") },
+
{ njs_str("'αβ'.replace(/(q)*/g, 'X')"),
njs_str("XαXβX") },

+ { njs_str("'αβ'.replaceAll(/(q)*/g, 'X')"),
+ njs_str("XαXβX") },
+
{ njs_str("'αβ'.replace(/q*/g, 'γ')"),
njs_str("γαγβγ") },

+ { njs_str("'αβ'.replaceAll(/q*/g, 'γ')"),
+ njs_str("γαγβγ") },
+
{ njs_str("':α:β:γ:'.replace(/:/g, '')"),
njs_str("αβγ") },

+ { njs_str("':α:β:γ:'.replaceAll(/:/g, '')"),
+ njs_str("αβγ") },
+
{ njs_str("':α:β:γ:'.replace(/[αβγ]/g, '')"),
njs_str("::::") },

+ { njs_str("':α:β:γ:'.replaceAll(/[αβγ]/g, '')"),
+ njs_str("::::") },
+
{ njs_str("'aabbccaa'.replace(/a*/g, '')"),
njs_str("bbcc") },

+ { njs_str("'aabbccaa'.replaceAll(/a*/g, '')"),
+ njs_str("bbcc") },
+
{ njs_str("'aabbccaab'.replace(/z*/g, '')"),
njs_str("aabbccaab") },

+ { njs_str("'aabbccaab'.replaceAll(/z*/g, '')"),
+ njs_str("aabbccaab") },
+
{ njs_str("''.replace(/a*/g, '')"),
njs_str("") },

+ { njs_str("''.replaceAll(/a*/g, '')"),
+ njs_str("") },
+
{ njs_str("'abcde'.replace(/d/, (m, o, s) => `|${s}|${o}|${m}|`)"),
njs_str("abc|abcde|3|d|e") },

+ { njs_str("'abcdde'.replaceAll(/d/g, (m, o, s) => `|${s}|${o}|${m}|`)"),
+ njs_str("abc|abcdde|3|d||abcdde|4|d|e") },
+
{ njs_str("'abcde'.replace(/(d)/, (m, p, o, s) => `|${s}|${o}|${m}|${p}|`)"),
njs_str("abc|abcde|3|d|d|e") },

+ { njs_str("'abcded'.replaceAll(/(d)/g, (m, p, o, s) => `|${s}|${o}|${m}|${p}|`)"),
+ njs_str("abc|abcded|3|d|d|e|abcded|5|d|d|") },
+
{ njs_str("'abc'.replace(/b/, () => 1)"),
njs_str("a1c") },

+ { njs_str("'abcb'.replaceAll(/b/g, () => 1)"),
+ njs_str("a1c1") },
+
{ njs_str("var n = 0; 'abbbc'.replace(/b/g, () => ++n)"),
njs_str("a123c") },

+ { njs_str("var n = 0; 'abbbc'.replaceAll(/b/g, () => ++n)"),
+ njs_str("a123c") },
+
{ njs_str("'abc'.replace(/x/, (m, o, s) => `|${s}|${o}|${m}|`)"),
njs_str("abc") },

+ { njs_str("'abc'.replaceAll(/x/g, (m, o, s) => `|${s}|${o}|${m}|`)"),
+ njs_str("abc") },
+
{ njs_str("'abc12345#$*%'.replace(/([^\\d]*)(\\d*)([^\\w]*)/,"
" (_, p1, p2, p3) => [p1, p2, p3].join('-'))"),
njs_str("abc-12345-#$*%") },

+ { njs_str("'abc12345#$*%'.replaceAll(/([^\\d]*)(\\d*)([^\\w]*)/g,"
+ " (_, p1, p2, p3) => [p1, p2, p3].join('-'))"),
+ njs_str("abc-12345-#$*%--") },
+
{ njs_str("'abc'.replace(/(?<named>b)/, (m, p, o, s, gr) => `|${gr.named}|`)"),
njs_str("a|b|c") },

+ { njs_str("'abcb'.replaceAll(/(?<named>b)/g, (m, p, o, s, gr) => `|${gr.named}|`)"),
+ njs_str("a|b|c|b|") },
+
{ njs_str("'ABC'.replace(/[A-Z]/g, m => '-' + m.toLowerCase())"),
njs_str("-a-b-c") },

+ { njs_str("'ABC'.replaceAll(/[A-Z]/g, m => '-' + m.toLowerCase())"),
+ njs_str("-a-b-c") },
+
{ njs_str("'abc'.replace(/(b)c/g, '|$01|')"),
njs_str("a|b|") },

+ { njs_str("'abc'.replaceAll(/(b)c/g, '|$01|')"),
+ njs_str("a|b|") },
+
{ njs_str("'abc'.replace(/(b)c/g, '@$0|$01|$00@')"),
njs_str("a@$0|b|$00@") },

+ { njs_str("'abc'.replaceAll(/(b)c/g, '@$0|$01|$00@')"),
+ njs_str("a@$0|b|$00@") },
+
{ njs_str("'abcdeFGHIJ'.replace(/(a)(b)(c)(d)(e)(F)(G)(H)(I)(J)/, '$9|$10|$11|$01')"),
njs_str("I|J|a1|a") },

+ { njs_str("'abcdeFGHIJ abcdeFGHIJ'.replaceAll(/(a)(b)(c)(d)(e)(F)(G)(H)(I)(J)/g, '$9|$10|$11|$01')"),
+ njs_str("I|J|a1|a I|J|a1|a") },
+
{ njs_str("'abcdbe'.replace(/(b)/g, '$2$23')"),
njs_str("a$2$23cd$2$23e") },

+ { njs_str("'abcdbe'.replaceAll(/(b)/g, '$2$23')"),
+ njs_str("a$2$23cd$2$23e") },
+
{ njs_str("'abcdbe'.replace(/(b)/g, '$2$23X$$Y')"),
njs_str("a$2$23X$Ycd$2$23X$Ye") },

+ { njs_str("'abcdbe'.replaceAll(/(b)/g, '$2$23X$$Y')"),
+ njs_str("a$2$23X$Ycd$2$23X$Ye") },
+
{ njs_str("'abcdbe'.replace(/b/, '|$`X$\\'|')"),
njs_str("a|aXcdbe|cdbe") },

+ { njs_str("'abcdbe'.replaceAll(/b/g, '|$`X$\\'|')"),
+ njs_str("a|aXcdbe|cd|abcdXe|e") },
+
{ njs_str("'abcdbefbgh'.replace(/b/g, '|$`X$\\'|')"),
njs_str("a|aXcdbefbgh|cd|abcdXefbgh|ef|abcdbefXgh|gh") },

+ { njs_str("'abcdbefbgh'.replaceAll(/b/g, '|$`X$\\'|')"),
+ njs_str("a|aXcdbefbgh|cd|abcdXefbgh|ef|abcdbefXgh|gh") },
+
{ njs_str("'abc12345#$*%'.replace(/([^\\d]*)(\\d*)([^\\w]*)/, '$1-$2-$3')"),
njs_str("abc-12345-#$*%") },

+ { njs_str("'abc12345#$*%'.replaceAll(/([^\\d]*)(\\d*)([^\\w]*)/g, '$1-$2-$3')"),
+ njs_str("abc-12345-#$*%--") },
+
{ njs_str("'$1,$2'.replace(/(\\$(\\d))/g, '$$1-$1$2')"),
njs_str("$1-$11,$1-$22") },

+ { njs_str("'$1,$2'.replaceAll(/(\\$(\\d))/g, '$$1-$1$2')"),
+ njs_str("$1-$11,$1-$22") },
+
{ njs_str("'ABC'.replace(/(h*)(z*)(g*)/g, '$1@$2α$3')"),
njs_str("@αA@αB@αC@α") },

+ { njs_str("'ABC'.replaceAll(/(h*)(z*)(g*)/g, '$1@$2α$3')"),
+ njs_str("@αA@αB@αC@α") },
+
{ njs_str("'abc'.replace(/(h*)(z*)/g, '$1@$2#$3:')"),
njs_str("@#$3:a@#$3:b@#$3:c@#$3:") },

+ { njs_str("'abc'.replaceAll(/(h*)(z*)/g, '$1@$2#$3:')"),
+ njs_str("@#$3:a@#$3:b@#$3:c@#$3:") },
+
{ njs_str("/b(c)(z)?(.)/[Symbol.replace]('abcde', '[$1$2$3]')"),
njs_str("a[cd]e") },

@@ -8963,60 +9162,117 @@ static njs_unit_test_t njs_test[] =
{ njs_str("'α'.replace(/(h*)/g, '$1βγ')"),
njs_str("βγαβγ") },

+ { njs_str("'α'.replaceAll(/(h*)/g, '$1βγ')"),
+ njs_str("βγαβγ") },
+
{ njs_str("'αg'.replace(/(h*)/g, '$1βγ')"),
njs_str("βγαβγgβγ") },

+ { njs_str("'αg'.replaceAll(/(h*)/g, '$1βγ')"),
+ njs_str("βγαβγgβγ") },
+
{ njs_str("'αg'.replace(/(α*)/g, '$1βγ')"),
njs_str("αβγβγgβγ") },

+ { njs_str("'αg'.replaceAll(/(α*)/g, '$1βγ')"),
+ njs_str("αβγβγgβγ") },
+
{ njs_str("'αg'.replace(/(h*)/g, 'fg$1βγ')"),
njs_str("fgβγαfgβγgfgβγ") },

+ { njs_str("'αg'.replaceAll(/(h*)/g, 'fg$1βγ')"),
+ njs_str("fgβγαfgβγgfgβγ") },
+
{ njs_str("'αgβfγ'.replace(/(gβ)/g, 'n$1i')"),
njs_str("αngβifγ") },

+ { njs_str("'αgβfγ'.replaceAll(/(gβ)/g, 'n$1i')"),
+ njs_str("αngβifγ") },
+
{ njs_str("'abc'.replace(/b/g, '|$&|')"),
njs_str("a|b|c") },

+ { njs_str("'abc'.replaceAll(/b/g, '|$&|')"),
+ njs_str("a|b|c") },
+
{ njs_str("'ABC'.replace(/((A)B)/g, '($1|$&|$2)')"),
njs_str("(AB|AB|A)C") },

+ { njs_str("'ABC'.replaceAll(/((A)B)/g, '($1|$&|$2)')"),
+ njs_str("(AB|AB|A)C") },
+
{ njs_str("'abc'.replace(/b/g, '$0')"),
njs_str("a$0c") },

+ { njs_str("'abc'.replaceAll(/b/g, '$0')"),
+ njs_str("a$0c") },
+
{ njs_str("'abc'.replace(/^/g, '|$&|')"),
njs_str("||abc") },

+ { njs_str("'abc'.replaceAll(/^/g, '|$&|')"),
+ njs_str("||abc") },
+
{ njs_str("var uri ='/u/v1/Aa/bB?type=m3u8&mt=42';"
"uri.replace(/^\\/u\\/v1\\/[^/]*\\/([^\?]*)\\?.*(mt=[^&]*).*$/, '$1|$2')"),
njs_str("bB|mt=42") },

+ { njs_str("var uri ='/u/v1/Aa/bB?type=m3u8&mt=42 /u/v1/Aa/bB?type=m3u8&mt=43';"
+ "uri.replaceAll(/^\\/u\\/v1\\/[^/]*\\/([^\?]*)\\?.*(mt=[^&]*).*$/g, '$1|$2')"),
+ njs_str("bB|mt=43") },
+
{ njs_str("'ABC'.replace(/B/, '$<g>')"),
njs_str("A$<g>C") },

+ { njs_str("'ABBC'.replaceAll(/B/g, '$<g>')"),
+ njs_str("A$<g>$<g>C") },
+
{ njs_str("'ABC'.replace(/(?<b>B)/, '|$<b>|@$<a>@')"),
njs_str("A|B|@@C") },

+ { njs_str("'ABBC'.replaceAll(/(?<b>B)/g, '|$<b>|@$<a>@')"),
+ njs_str("A|B|@@|B|@@C") },
+
{ njs_str("'ABC'.replace(/(?<b>B)/, '|$<BB|')"),
njs_str("A|$<BB|C") },

+ { njs_str("'ABCB'.replaceAll(/(?<b>B)/g, '|$<BB|')"),
+ njs_str("A|$<BB|C|$<BB|") },
+
{ njs_str("'ABC'.replace(/(?<b>B)/, '|$<BB$$|>@')"),
njs_str("A|@C") },

+ { njs_str("'ABCB'.replaceAll(/(?<b>B)/g, '|$<BB$$|>@')"),
+ njs_str("A|@C|@") },
+
{ njs_str("('β' + 'α'.repeat(33)+'β').replace(/(α+)(β+)/, (m, p1) => p1[32])"),
njs_str("βα") },

+ { njs_str("('β' + 'α'.repeat(33)+'β').replaceAll(/(α+)(β+)/g, (m, p1) => p1[32])"),
+ njs_str("βα") },
+
{ njs_str("'abc'.replace(/(z*)/g, () => '@')"),
njs_str("@a@b@c@") },

+ { njs_str("'abc'.replaceAll(/(z*)/g, () => '@')"),
+ njs_str("@a@b@c@") },
+
{ njs_str("'abc'.replace(/(a*)/g, () => '@')"),
njs_str("@@b@c@") },

+ { njs_str("'abc'.replaceAll(/(a*)/g, () => '@')"),
+ njs_str("@@b@c@") },
+
{ njs_str("var O = RegExp.prototype[Symbol.replace];"
"RegExp.prototype[Symbol.replace] = function (s, rep) { return O.call(this, s, `|${rep}|`); };"
"'ABC'.replace(/B/, '+')"),
njs_str("A|+|C") },

+ { njs_str("var O = RegExp.prototype[Symbol.replace];"
+ "RegExp.prototype[Symbol.replace] = function (s, rep) { return O.call(this, s, `|${rep}|`); };"
+ "'ABC'.replaceAll(/B/g, '+')"),
+ njs_str("A|+|C") },
+
{ njs_str("var O = RegExp.prototype.exec;"
"function mangled(s) { var r = O.call(this, s);"
" Object.defineProperty(r, '0', {enumerable:false}); "
@@ -9027,6 +9283,14 @@ static njs_unit_test_t njs_test[] =

{ njs_str("var O = RegExp.prototype.exec;"
"function mangled(s) { var r = O.call(this, s);"
+ " Object.defineProperty(r, '0', {enumerable:false}); "
+ " return r; };"
+ "RegExp.prototype.exec = mangled;"
+ "'ABC'.replaceAll(/(B)/g, (m, p1, off, s) => `@${m}|${p1}|${off}|${s}@`)"),
+ njs_str("TypeError: Object.defineProperty is called on non-object") },
+
+ { njs_str("var O = RegExp.prototype.exec;"
+ "function mangled(s) { var r = O.call(this, s);"
" Object.defineProperty(r, 'groups', {value: {g:1}}); "
" return r; };"
"RegExp.prototype.exec = mangled;"
@@ -9035,12 +9299,28 @@ static njs_unit_test_t njs_test[] =

{ njs_str("var O = RegExp.prototype.exec;"
"function mangled(s) { var r = O.call(this, s);"
+ " Object.defineProperty(r, 'groups', {value: {g:1}}); "
+ " return r; };"
+ "RegExp.prototype.exec = mangled;"
+ "'ABC'.replaceAll(/(B)/g, '$<g>')"),
+ njs_str("TypeError: Object.defineProperty is called on non-object") },
+
+ { njs_str("var O = RegExp.prototype.exec;"
+ "function mangled(s) { var r = O.call(this, s);"
" Object.defineProperty(r, 'groups', {value: {get g() {throw 'OOps'}}}); "
" return r; };"
"RegExp.prototype.exec = mangled;"
"'ABC'.replace(/(B)/, '$<g>')"),
njs_str("OOps") },

+ { njs_str("var O = RegExp.prototype.exec;"
+ "function mangled(s) { var r = O.call(this, s);"
+ " Object.defineProperty(r, 'groups', {value: {get g() {throw 'OOps'}}}); "
+ " return r; };"
+ "RegExp.prototype.exec = mangled;"
+ "'ABC'.replaceAll(/(B)/g, '$<g>')"),
+ njs_str("TypeError: Object.defineProperty is called on non-object") },
+
{ njs_str("var name = /a/g[Symbol.replace].name; [name, typeof name]"),
njs_str("[Symbol.replace],string") },

@@ -9077,6 +9357,17 @@ static njs_unit_test_t njs_test[] =
"'any_string'.replace(re)"),
njs_str("undefinedg") },

+ { njs_str("var cnt = 0;"
+ "var a = [];"
+ "a[2] = '';"
+ "var re = /any_regexp/g;"
+ "re.exec = function () {"
+ " if (cnt++ > 1) return null;"
+ " return a;"
+ "};"
+ "'any_string'.replaceAll(re)"),
+ njs_str("undefinedg") },
+
{ njs_str("var a = [];"
"a[2] = {toString() {a[2**20] = 1; return 'X';}}; "
"a[4] = 'Y';"
@@ -9100,6 +9391,18 @@ static njs_unit_test_t njs_test[] =
"'abc'.replace(re, '@$1|$2|$3|$4|$99|$100|@')"),
njs_str("@|X||Y|Z|0|@") },

+ { njs_str("var cnt = 0;"
+ "var a = [];"
+ "a[2] = {toString() {a[2**20] = 1; return 'X';}}; "
+ "a[4] = 'Y';"
+ "a[99] = 'Z';"
+ "a[100] = '*';"
+ "a[200] = '!';"
+ "var re = /b/g;"
+ "re.exec = () => {if (cnt++ > 1) return null; return a};"
+ "'abc'.replaceAll(re, '@$1|$2|$3|$4|$99|$100|@')"),
+ njs_str("@|X||Y|Z|0|@") },
+
{ njs_str("var a = [];"
"Object.defineProperty(a, 32768, {});"
"var re = /any_regexp/;"
@@ -9120,6 +9423,22 @@ static njs_unit_test_t njs_test[] =
"'any_string'.replace(re)"),
njs_str("undefinedg") },

+ { njs_str("var cnt = 0;"
+ "var a = [];"
+ "Object.defineProperty(a, 32768, {});"
+ "var re = /any_regexp/g;"
+ "re.exec = function () {"
+ " if (cnt++ > 1) return null;"
+ " return a;"
+ "};"
+ "'any_string'.replace(re)"),
+ njs_str("undefinedg") },
+
+ { njs_str("var r = /h/g;"
+ "Object.defineProperty(r,'flags',{value: ''});"
+ "''.replaceAll(r,'');"),
+ njs_str("TypeError: String.prototype.replaceAll called with a non-global RegExp argument") },
+
{ njs_str("/=/"),
njs_str("/=/") },

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Subject Author Views Posted

[njs] Added String.prototype.replaceAll().

Vadim Zhestikov via nginx-devel 588 February 03, 2023 09:44AM



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