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[njs] QuickJS: added zlib module.

Dmitry Volyntsev
May 01, 2024 08:32PM
details: https://hg.nginx.org/njs/rev/f146b5dc21cc
branches:
changeset: 2325:f146b5dc21cc
user: Dmitry Volyntsev <xeioex@nginx.com>
date: Wed May 01 17:31:01 2024 -0700
description:
QuickJS: added zlib module.

diffstat:

auto/init | 1 +
auto/make | 42 +-
auto/qjs_module | 6 +
auto/qjs_modules | 20 +
auto/quickjs | 21 +
auto/sources | 4 +
configure | 3 +-
external/njs_shell.c | 15 +-
external/qjs_zlib_module.c | 512 +++++++++++++++++++
src/qjs.c | 109 ++++
src/qjs.h | 79 ++
src/qjs_buffer.c | 1174 ++++++++++++++++++++++++++++++++++++++++++++
src/test/njs_unit_test.c | 301 -----------
test/buffer.t.js | 236 ++++++++
test/harness/runTsuite.js | 10 +-
test/setup | 2 +-
test/zlib.t.mjs | 109 ++++
17 files changed, 2322 insertions(+), 322 deletions(-)

diffs (truncated from 2828 to 1000 lines):

diff -r 18fc657411ca -r f146b5dc21cc auto/init
--- a/auto/init Fri Apr 26 16:48:19 2024 -0700
+++ b/auto/init Wed May 01 17:31:01 2024 -0700
@@ -16,6 +16,7 @@ NJS_CFLAGS=${NJS_CFLAGS=}
NJS_BUILD_DIR=${NJS_BUILD_DIR:-build}

NJS_LIB_MODULES=
+QJS_LIB_MODULES=

NJS_LIBRT=

diff -r 18fc657411ca -r f146b5dc21cc auto/make
--- a/auto/make Fri Apr 26 16:48:19 2024 -0700
+++ b/auto/make Wed May 01 17:31:01 2024 -0700
@@ -15,11 +15,6 @@ njs_modules_c=$NJS_BUILD_DIR/njs_modules

NJS_LIB_SRCS="$NJS_LIB_SRCS $njs_modules_c"

-njs_incs=`echo $NJS_LIB_INCS \
- | sed -e "s# *\([^ ]*\)#$njs_regex_cont-I\1#g"`
-njs_objs=`echo $NJS_LIB_SRCS \
- | sed -e "s# *\([^ ]*\.\)c#$NJS_BUILD_DIR/\1o$njs_regex_cont#g"`
-
cat << END > $njs_modules_c

#include <njs_main.h>
@@ -45,6 +40,43 @@ cat << END

END

+if [ $NJS_HAVE_QUICKJS = YES ]; then
+
+qjs_modules_c=$NJS_BUILD_DIR/qjs_modules.c
+
+NJS_LIB_SRCS="$NJS_LIB_SRCS $qjs_modules_c"
+
+cat << END > $qjs_modules_c
+
+#include <qjs.h>
+
+END
+
+for mod in $QJS_LIB_MODULES
+do
+ echo "extern qjs_module_t $mod;" >> $qjs_modules_c
+done
+
+echo >> $qjs_modules_c
+echo 'qjs_module_t *qjs_modules[] = {' >> $qjs_modules_c
+
+for mod in $QJS_LIB_MODULES
+do
+ echo " &$mod," >> $qjs_modules_c
+done
+
+cat << END >> $qjs_modules_c
+ NULL
+};
+
+END
+fi
+
+njs_incs=`echo $NJS_LIB_INCS \
+ | sed -e "s# *\([^ ]*\)#$njs_regex_cont-I\1#g"`
+njs_objs=`echo $NJS_LIB_SRCS \
+ | sed -e "s# *\([^ ]*\.\)c#$NJS_BUILD_DIR/\1o$njs_regex_cont#g"`
+
cat << END > $NJS_MAKEFILE

# This file is auto-generated by configure
diff -r 18fc657411ca -r f146b5dc21cc auto/qjs_module
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/auto/qjs_module Wed May 01 17:31:01 2024 -0700
@@ -0,0 +1,6 @@
+# Copyright (C) Dmitry Volyntsev
+# Copyright (C) F5, Inc
+
+QJS_LIB_MODULES="$QJS_LIB_MODULES $njs_module_name"
+NJS_LIB_SRCS="$NJS_LIB_SRCS $njs_module_srcs"
+NJS_LIB_INCS="$NJS_LIB_INCS $njs_module_incs"
diff -r 18fc657411ca -r f146b5dc21cc auto/qjs_modules
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/auto/qjs_modules Wed May 01 17:31:01 2024 -0700
@@ -0,0 +1,20 @@
+# Copyright (C) Dmitry Volyntsev
+# Copyright (C) F5, Inc
+
+if [ $NJS_HAVE_QUICKJS = YES ]; then
+
+ njs_module_name=qjs_buffer_module
+ njs_module_incs=
+ njs_module_srcs=src/qjs_buffer.c
+
+ . auto/qjs_module
+
+ if [ $NJS_ZLIB = YES -a $NJS_HAVE_ZLIB = YES ]; then
+ njs_module_name=qjs_zlib_module
+ njs_module_incs=
+ njs_module_srcs=external/qjs_zlib_module.c
+
+ . auto/qjs_module
+ fi
+
+fi
diff -r 18fc657411ca -r f146b5dc21cc auto/quickjs
--- a/auto/quickjs Fri Apr 26 16:48:19 2024 -0700
+++ b/auto/quickjs Wed May 01 17:31:01 2024 -0700
@@ -25,6 +25,7 @@ if [ $NJS_TRY_QUICKJS = YES ]; then
JSRuntime *rt;

rt = JS_NewRuntime();
+ (void) JS_GetClassID;
JS_FreeRuntime(rt);
return 0;
}"
@@ -54,6 +55,26 @@ if [ $NJS_TRY_QUICKJS = YES ]; then
fi

if [ $njs_found = yes ]; then
+
+ njs_feature="QuickJS JS_NewTypedArray()"
+ njs_feature_test="#if defined(__GNUC__) && (__GNUC__ >= 8)
+ #pragma GCC diagnostic push
+ #pragma GCC diagnostic ignored \"-Wcast-function-type\"
+ #endif
+
+ #include <quickjs.h>
+
+ int main() {
+ (void) JS_NewTypedArray;
+ return 0;
+ }"
+
+ . auto/feature
+
+ if [ $njs_found = yes ]; then
+ njs_define=NJS_HAVE_QUICKJS_NEW_TYPED_ARRAY . auto/define
+ fi
+
NJS_HAVE_QUICKJS=YES
NJS_QUICKJS_LIB="$njs_feature_libs"
NJS_LIB_INCS="$NJS_LIB_INCS $njs_feature_incs"
diff -r 18fc657411ca -r f146b5dc21cc auto/sources
--- a/auto/sources Fri Apr 26 16:48:19 2024 -0700
+++ b/auto/sources Wed May 01 17:31:01 2024 -0700
@@ -72,6 +72,10 @@ if [ "$NJS_HAVE_LIBBFD" = "YES" -a "$NJS
NJS_LIB_SRCS="$NJS_LIB_SRCS src/njs_addr2line.c"
fi

+if [ "$NJS_HAVE_QUICKJS" = "YES" ]; then
+ NJS_LIB_SRCS="$NJS_LIB_SRCS src/qjs.c"
+fi
+
NJS_TS_SRCS=$(find ts/ -name "*.d.ts" -o -name "*.json")

NJS_TEST_TS_SRCS=$(find test/ts/ -name "*.ts" -o -name "*.json")
diff -r 18fc657411ca -r f146b5dc21cc configure
--- a/configure Fri Apr 26 16:48:19 2024 -0700
+++ b/configure Wed May 01 17:31:01 2024 -0700
@@ -21,7 +21,7 @@ NJS_AUTOCONF_ERR=$NJS_BUILD_DIR/autoconf
NJS_AUTO_CONFIG_H=$NJS_BUILD_DIR/njs_auto_config.h
NJS_MAKEFILE=$NJS_BUILD_DIR/Makefile

-NJS_LIB_INCS="src $NJS_BUILD_DIR"
+NJS_LIB_INCS="src external $NJS_BUILD_DIR"

test -d $NJS_BUILD_DIR || mkdir $NJS_BUILD_DIR

@@ -59,6 +59,7 @@ NJS_LIB_AUX_LIBS=

. auto/sources
. auto/modules
+. auto/qjs_modules
. auto/make
. auto/expect
. auto/summary
diff -r 18fc657411ca -r f146b5dc21cc external/njs_shell.c
--- a/external/njs_shell.c Fri Apr 26 16:48:19 2024 -0700
+++ b/external/njs_shell.c Wed May 01 17:31:01 2024 -0700
@@ -12,18 +12,7 @@
#include <njs_rbtree.h>

#if (NJS_HAVE_QUICKJS)
-#if defined(__GNUC__) && (__GNUC__ >= 8)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wcast-function-type"
-#endif
-
-#include <quickjs.h>
-
-#if defined(__GNUC__) && (__GNUC__ >= 8)
-#pragma GCC diagnostic pop
-#endif
-#define NJS_QUICKJS_VERSION "Unknown version"
-#include <pthread.h>
+#include <qjs.h>
#endif

#if (!defined NJS_FUZZER_TARGET && defined NJS_HAVE_READLINE)
@@ -2822,7 +2811,7 @@ njs_engine_qjs_init(njs_engine_t *engine
return NJS_ERROR;
}

- engine->u.qjs.ctx = JS_NewContext(engine->u.qjs.rt);
+ engine->u.qjs.ctx = qjs_new_context(engine->u.qjs.rt);
if (engine->u.qjs.ctx == NULL) {
njs_stderror("JS_NewContext() failed\n");
return NJS_ERROR;
diff -r 18fc657411ca -r f146b5dc21cc external/qjs_zlib_module.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/external/qjs_zlib_module.c Wed May 01 17:31:01 2024 -0700
@@ -0,0 +1,512 @@
+
+/*
+ * Copyright (C) Dmitry Volyntsev
+ * Copyright (C) F5, Inc.
+ */
+
+#include <qjs.h>
+#include <zlib.h>
+
+#define NJS_ZLIB_CHUNK_SIZE 1024
+
+static JSValue qjs_zlib_ext_deflate(JSContext *ctx, JSValueConst this_val,
+ int argc, JSValueConst *argv, int raw);
+static JSValue qjs_zlib_ext_inflate(JSContext *ctx, JSValueConst this_val,
+ int argc, JSValueConst *argv, int raw);
+
+static JSModuleDef *qjs_zlib_init(JSContext *ctx, const char *name);
+static void *qjs_zlib_alloc(void *opaque, u_int items, u_int size);
+static void qjs_zlib_free(void *opaque, void *address);
+
+
+static const JSCFunctionListEntry qjs_zlib_constants[] = {
+ JS_PROP_INT32_DEF("Z_NO_COMPRESSION",
+ Z_NO_COMPRESSION,
+ JS_PROP_ENUMERABLE),
+ JS_PROP_INT32_DEF("Z_BEST_SPEED",
+ Z_BEST_SPEED,
+ JS_PROP_ENUMERABLE),
+ JS_PROP_INT32_DEF("Z_BEST_COMPRESSION",
+ Z_BEST_COMPRESSION,
+ JS_PROP_ENUMERABLE),
+ JS_PROP_INT32_DEF("Z_FILTERED",
+ Z_FILTERED,
+ JS_PROP_ENUMERABLE),
+ JS_PROP_INT32_DEF("Z_HUFFMAN_ONLY",
+ Z_HUFFMAN_ONLY,
+ JS_PROP_ENUMERABLE),
+ JS_PROP_INT32_DEF("Z_RLE",
+ Z_RLE,
+ JS_PROP_ENUMERABLE),
+ JS_PROP_INT32_DEF("Z_FIXED",
+ Z_FIXED,
+ JS_PROP_ENUMERABLE),
+ JS_PROP_INT32_DEF("Z_DEFAULT_STRATEGY",
+ Z_DEFAULT_STRATEGY,
+ JS_PROP_ENUMERABLE),
+};
+
+static const JSCFunctionListEntry qjs_zlib_export[] = {
+ JS_CFUNC_MAGIC_DEF("deflateRawSync", 2, qjs_zlib_ext_deflate, 1),
+ JS_CFUNC_MAGIC_DEF("deflateSync", 2, qjs_zlib_ext_deflate, 0),
+ JS_CFUNC_MAGIC_DEF("inflateRawSync", 2, qjs_zlib_ext_inflate, 1),
+ JS_CFUNC_MAGIC_DEF("inflateSync", 2, qjs_zlib_ext_inflate, 0),
+ JS_OBJECT_DEF("constants",
+ qjs_zlib_constants,
+ njs_nitems(qjs_zlib_constants),
+ JS_PROP_CONFIGURABLE),
+};
+
+
+qjs_module_t qjs_zlib_module = {
+ .name = "zlib",
+ .init = qjs_zlib_init,
+};
+
+
+static JSValue
+qjs_zlib_ext_deflate(JSContext *ctx, JSValueConst this_val, int argc,
+ JSValueConst *argv, int raw)
+{
+ int rc, chunk_size, level, mem_level, strategy, window_bits;
+ JSValue ret, options;
+ z_stream stream;
+ njs_chb_t chain;
+ qjs_bytes_t bytes, dictionary;
+
+ chunk_size = NJS_ZLIB_CHUNK_SIZE;
+ mem_level = 8;
+ level = Z_DEFAULT_COMPRESSION;
+ strategy = Z_DEFAULT_STRATEGY;
+ window_bits = raw ? -MAX_WBITS : MAX_WBITS;
+
+ NJS_CHB_CTX_INIT(&chain, ctx);
+ dictionary.start = NULL;
+ dictionary.length = 0;
+ stream.opaque = NULL;
+
+ options = argv[1];
+
+ if (JS_IsObject(options)) {
+ ret = JS_GetPropertyStr(ctx, options, "chunkSize");
+ if (JS_IsException(ret)) {
+ return JS_EXCEPTION;
+ }
+
+ if (!JS_IsUndefined(ret)) {
+ rc = JS_ToInt32(ctx, &chunk_size, ret);
+ JS_FreeValue(ctx, ret);
+ if (rc != 0) {
+ return JS_EXCEPTION;
+ }
+
+ if (chunk_size < 64) {
+ JS_ThrowRangeError(ctx, "chunkSize must be >= 64");
+ return JS_EXCEPTION;
+ }
+ }
+
+ ret = JS_GetPropertyStr(ctx, options, "level");
+ if (JS_IsException(ret)) {
+ return JS_EXCEPTION;
+ }
+
+ if (!JS_IsUndefined(ret)) {
+ rc = JS_ToInt32(ctx, &level, ret);
+ JS_FreeValue(ctx, ret);
+ if (rc != 0) {
+ return JS_EXCEPTION;
+ }
+
+ if (level < Z_DEFAULT_COMPRESSION || level > Z_BEST_COMPRESSION) {
+ JS_ThrowRangeError(ctx, "level must be in the range %d..%d",
+ Z_DEFAULT_COMPRESSION, Z_BEST_COMPRESSION);
+ return JS_EXCEPTION;
+ }
+ }
+
+ ret = JS_GetPropertyStr(ctx, options, "windowBits");
+ if (JS_IsException(ret)) {
+ return JS_EXCEPTION;
+ }
+
+ if (!JS_IsUndefined(ret)) {
+ rc = JS_ToInt32(ctx, &window_bits, ret);
+ JS_FreeValue(ctx, ret);
+ if (rc != 0) {
+ return JS_EXCEPTION;
+ }
+
+ if (raw) {
+ if (window_bits < -15 || window_bits > -9) {
+ JS_ThrowRangeError(ctx, "windowBits must be in the range "
+ "-15..-9");
+ return JS_EXCEPTION;
+ }
+
+ } else {
+ if (window_bits < 9 || window_bits > 15) {
+ JS_ThrowRangeError(ctx, "windowBits must be in the range "
+ "9..15");
+ return JS_EXCEPTION;
+ }
+ }
+ }
+
+ ret = JS_GetPropertyStr(ctx, options, "memLevel");
+ if (JS_IsException(ret)) {
+ return JS_EXCEPTION;
+ }
+
+ if (!JS_IsUndefined(ret)) {
+ rc = JS_ToInt32(ctx, &mem_level, ret);
+ JS_FreeValue(ctx, ret);
+ if (rc != 0) {
+ return JS_EXCEPTION;
+ }
+
+ if (mem_level < 1 || mem_level > 9) {
+ JS_ThrowRangeError(ctx, "memLevel must be in the range 1..9");
+ return JS_EXCEPTION;
+ }
+ }
+
+ ret = JS_GetPropertyStr(ctx, options, "strategy");
+ if (JS_IsException(ret)) {
+ return JS_EXCEPTION;
+ }
+
+ if (!JS_IsUndefined(ret)) {
+ rc = JS_ToInt32(ctx, &strategy, ret);
+ JS_FreeValue(ctx, ret);
+ if (rc != 0) {
+ return JS_EXCEPTION;
+ }
+
+ switch (strategy) {
+ case Z_FILTERED:
+ case Z_HUFFMAN_ONLY:
+ case Z_RLE:
+ case Z_FIXED:
+ case Z_DEFAULT_STRATEGY:
+ break;
+
+ default:
+ JS_ThrowRangeError(ctx, "unknown strategy: %d", strategy);
+ return JS_EXCEPTION;
+ }
+ }
+
+ ret = JS_GetPropertyStr(ctx, options, "dictionary");
+ if (JS_IsException(ret)) {
+ return JS_EXCEPTION;
+ }
+
+ if (!JS_IsUndefined(ret)) {
+ rc = qjs_to_bytes(ctx, &dictionary, ret);
+ JS_FreeValue(ctx, ret);
+ if (rc != 0) {
+ return JS_EXCEPTION;
+ }
+ }
+ }
+
+ rc = qjs_to_bytes(ctx, &bytes, argv[0]);
+ if (rc != 0) {
+ return JS_EXCEPTION;
+ }
+
+ stream.next_in = bytes.start;
+ stream.avail_in = bytes.length;
+
+ stream.zalloc = qjs_zlib_alloc;
+ stream.zfree = qjs_zlib_free;
+ stream.opaque = ctx;
+
+ rc = deflateInit2(&stream, level, Z_DEFLATED, window_bits, mem_level,
+ strategy);
+ if (njs_slow_path(rc != Z_OK)) {
+ JS_ThrowInternalError(ctx, "deflateInit2() failed");
+ goto fail;
+ }
+
+ if (dictionary.start != NULL) {
+ rc = deflateSetDictionary(&stream, dictionary.start, dictionary.length);
+ if (rc != Z_OK) {
+ JS_ThrowInternalError(ctx, "deflateSetDictionary() failed");
+ goto fail;
+ }
+ }
+
+ do {
+ stream.next_out = njs_chb_reserve(&chain, chunk_size);
+ if (njs_slow_path(stream.next_out == NULL)) {
+ JS_ThrowOutOfMemory(ctx);
+ goto fail;
+ }
+
+ stream.avail_out = chunk_size;
+
+ rc = deflate(&stream, Z_FINISH);
+ if (njs_slow_path(rc < 0)) {
+ JS_ThrowInternalError(ctx, "failed to deflate the data: %s",
+ stream.msg);
+ goto fail;
+ }
+
+ njs_chb_written(&chain, chunk_size - stream.avail_out);
+
+ } while (stream.avail_out == 0);
+
+ deflateEnd(&stream);
+
+ qjs_bytes_free(ctx, &bytes);
+
+ if (dictionary.start != NULL) {
+ qjs_bytes_free(ctx, &dictionary);
+ }
+
+ ret = qjs_buffer_chb_alloc(ctx, &chain);
+
+ njs_chb_destroy(&chain);
+
+ return ret;
+
+fail:
+
+ qjs_bytes_free(ctx, &bytes);
+
+ if (dictionary.start != NULL) {
+ qjs_bytes_free(ctx, &dictionary);
+ }
+
+ if (stream.opaque != NULL) {
+ deflateEnd(&stream);
+ }
+
+ if (chain.pool != NULL) {
+ njs_chb_destroy(&chain);
+ }
+
+ return JS_EXCEPTION;
+}
+
+
+static JSValue
+qjs_zlib_ext_inflate(JSContext *ctx, JSValueConst this_val, int argc,
+ JSValueConst *argv, int raw)
+{
+ int rc, chunk_size, window_bits;
+ JSValue ret, options;
+ z_stream stream;
+ njs_chb_t chain;
+ qjs_bytes_t bytes, dictionary;
+
+ chunk_size = NJS_ZLIB_CHUNK_SIZE;
+ window_bits = raw ? -MAX_WBITS : MAX_WBITS;
+
+ NJS_CHB_CTX_INIT(&chain, ctx);
+ dictionary.start = NULL;
+ dictionary.length = 0;
+ stream.opaque = NULL;
+
+ options = argv[1];
+
+ if (JS_IsObject(options)) {
+ ret = JS_GetPropertyStr(ctx, options, "chunkSize");
+ if (JS_IsException(ret)) {
+ return JS_EXCEPTION;
+ }
+
+ if (!JS_IsUndefined(ret)) {
+ rc = JS_ToInt32(ctx, &chunk_size, ret);
+ JS_FreeValue(ctx, ret);
+ if (rc != 0) {
+ return JS_EXCEPTION;
+ }
+
+ if (chunk_size < 64) {
+ JS_ThrowRangeError(ctx, "chunkSize must be >= 64");
+ return JS_EXCEPTION;
+ }
+ }
+
+ ret = JS_GetPropertyStr(ctx, options, "windowBits");
+ if (JS_IsException(ret)) {
+ return JS_EXCEPTION;
+ }
+
+ if (!JS_IsUndefined(ret)) {
+ rc = JS_ToInt32(ctx, &window_bits, ret);
+ JS_FreeValue(ctx, ret);
+ if (rc != 0) {
+ return JS_EXCEPTION;
+ }
+
+ if (raw) {
+ if (window_bits < -15 || window_bits > -8) {
+ JS_ThrowRangeError(ctx, "windowBits must be in the range "
+ "-15..-8");
+ return JS_EXCEPTION;
+ }
+
+ } else {
+ if (window_bits < 8 || window_bits > 15) {
+ JS_ThrowRangeError(ctx, "windowBits must be in the range "
+ "8..15");
+ return JS_EXCEPTION;
+ }
+ }
+ }
+
+ ret = JS_GetPropertyStr(ctx, options, "dictionary");
+ if (JS_IsException(ret)) {
+ return JS_EXCEPTION;
+ }
+
+ if (!JS_IsUndefined(ret)) {
+ rc = qjs_to_bytes(ctx, &dictionary, ret);
+ JS_FreeValue(ctx, ret);
+ if (rc != 0) {
+ return JS_EXCEPTION;
+ }
+ }
+ }
+
+ rc = qjs_to_bytes(ctx, &bytes, argv[0]);
+ if (rc != 0) {
+ return JS_EXCEPTION;
+ }
+
+ stream.next_in = bytes.start;
+ stream.avail_in = bytes.length;
+
+ stream.zalloc = qjs_zlib_alloc;
+ stream.zfree = qjs_zlib_free;
+ stream.opaque = ctx;
+
+ rc = inflateInit2(&stream, window_bits);
+ if (njs_slow_path(rc != Z_OK)) {
+ JS_ThrowInternalError(ctx, "inflateInit2() failed");
+ goto fail;
+ }
+
+ if (dictionary.start != NULL) {
+ rc = inflateSetDictionary(&stream, dictionary.start, dictionary.length);
+ if (rc != Z_OK) {
+ JS_ThrowInternalError(ctx, "inflateSetDictionary() failed");
+ goto fail;
+ }
+ }
+
+ while (rc != Z_STREAM_END) {
+ stream.next_out = njs_chb_reserve(&chain, chunk_size);
+ if (njs_slow_path(stream.next_out == NULL)) {
+ JS_ThrowOutOfMemory(ctx);
+ goto fail;
+ }
+
+ stream.avail_out = chunk_size;
+
+ rc = inflate(&stream, Z_NO_FLUSH);
+ if (njs_slow_path(rc < 0)) {
+ JS_ThrowInternalError(ctx, "failed to inflate the data: %s",
+ stream.msg);
+ goto fail;
+ }
+
+ njs_chb_written(&chain, chunk_size - stream.avail_out);
+ }
+
+ rc = inflateEnd(&stream);
+ if (njs_slow_path(rc != Z_OK)) {
+ JS_ThrowInternalError(ctx, "inflateEnd() failed");
+ goto fail;
+ }
+
+ qjs_bytes_free(ctx, &bytes);
+
+ if (dictionary.start != NULL) {
+ qjs_bytes_free(ctx, &dictionary);
+ }
+
+ ret = qjs_buffer_chb_alloc(ctx, &chain);
+
+ njs_chb_destroy(&chain);
+
+ return ret;
+
+fail:
+
+ qjs_bytes_free(ctx, &bytes);
+
+ if (dictionary.start != NULL) {
+ qjs_bytes_free(ctx, &dictionary);
+ }
+
+ if (stream.opaque != NULL) {
+ inflateEnd(&stream);
+ }
+
+ if (chain.pool != NULL) {
+ njs_chb_destroy(&chain);
+ }
+
+ return JS_EXCEPTION;
+}
+
+
+static int
+qjs_zlib_module_init(JSContext *ctx, JSModuleDef *m)
+{
+ int rc;
+ JSValue proto;
+
+ proto = JS_NewObject(ctx);
+ JS_SetPropertyFunctionList(ctx, proto, qjs_zlib_export,
+ njs_nitems(qjs_zlib_export));
+
+ rc = JS_SetModuleExport(ctx, m, "default", proto);
+ if (rc != 0) {
+ return -1;
+ }
+
+ return JS_SetModuleExportList(ctx, m, qjs_zlib_export,
+ njs_nitems(qjs_zlib_export));
+}
+
+
+static JSModuleDef *
+qjs_zlib_init(JSContext *ctx, const char *name)
+{
+ int rc;
+ JSModuleDef *m;
+
+ m = JS_NewCModule(ctx, name, qjs_zlib_module_init);
+ if (m == NULL) {
+ return NULL;
+ }
+
+ JS_AddModuleExport(ctx, m, "default");
+ rc = JS_AddModuleExportList(ctx, m, qjs_zlib_export,
+ njs_nitems(qjs_zlib_export));
+ if (rc != 0) {
+ return NULL;
+ }
+
+ return m;
+}
+
+
+static void *
+qjs_zlib_alloc(void *opaque, u_int items, u_int size)
+{
+ return js_malloc(opaque, items * size);
+}
+
+
+static void
+qjs_zlib_free(void *opaque, void *address)
+{
+ js_free(opaque, address);
+}
diff -r 18fc657411ca -r f146b5dc21cc src/qjs.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/qjs.c Wed May 01 17:31:01 2024 -0700
@@ -0,0 +1,109 @@
+
+/*
+ * Copyright (C) Dmitry Volyntsev
+ * Copyright (C) F5, Inc.
+ */
+
+#include <qjs.h>
+
+
+JSContext *
+qjs_new_context(JSRuntime *rt)
+{
+ JSContext *ctx;
+ qjs_module_t **module;
+
+ ctx = JS_NewContext(rt);
+ if (ctx == NULL) {
+ return NULL;
+ }
+
+ for (module = qjs_modules; *module != NULL; module++) {
+ if ((*module)->init(ctx, (*module)->name) == NULL) {
+ return NULL;
+ }
+ }
+
+ return ctx;
+}
+
+
+int
+qjs_to_bytes(JSContext *ctx, qjs_bytes_t *bytes, JSValueConst value)
+{
+ size_t byte_offset, byte_length;
+ JSValue val;
+
+ val = JS_GetTypedArrayBuffer(ctx, value, &byte_offset, &byte_length, NULL);
+ if (!JS_IsException(val)) {
+ bytes->start = JS_GetArrayBuffer(ctx, &bytes->length, val);
+
+ JS_FreeValue(ctx, val);
+
+ if (bytes->start != NULL) {
+ bytes->tag = JS_TAG_OBJECT;
+ bytes->start += byte_offset;
+ bytes->length = byte_length;
+ return 0;
+ }
+ }
+
+ bytes->start = JS_GetArrayBuffer(ctx, &bytes->length, value);
+ if (bytes->start != NULL) {
+ bytes->tag = JS_TAG_OBJECT;
+ return 0;
+ }
+
+ bytes->tag = JS_TAG_STRING;
+
+ if (!JS_IsString(value)) {
+ val = JS_ToString(ctx, value);
+
+ bytes->start = (u_char *) JS_ToCStringLen(ctx, &bytes->length, val);
+
+ JS_FreeValue(ctx, val);
+
+ if (bytes->start == NULL) {
+ return -1;
+ }
+ }
+
+ bytes->start = (u_char *) JS_ToCStringLen(ctx, &bytes->length, value);
+
+ return (bytes->start != NULL) ? 0 : -1;
+}
+
+
+void
+qjs_bytes_free(JSContext *ctx, qjs_bytes_t *bytes)
+{
+ if (bytes->tag == JS_TAG_STRING) {
+ JS_FreeCString(ctx, (char *) bytes->start);
+ }
+}
+
+
+JSValue
+qjs_typed_array_data(JSContext *ctx, JSValueConst value, njs_str_t *data)
+{
+ size_t byte_offset, byte_length;
+
+ value = JS_GetTypedArrayBuffer(ctx, value, &byte_offset, &byte_length,
+ NULL);
+ if (JS_IsException(value)) {
+ return value;
+ }
+
+ data->start = JS_GetArrayBuffer(ctx, &data->length, value);
+
+ JS_FreeValue(ctx, value);
+
+ if (data->start == NULL) {
+ return JS_EXCEPTION;
+ }
+
+ data->start += byte_offset;
+ data->length = byte_length;
+
+ return JS_UNDEFINED;
+}
diff -r 18fc657411ca -r f146b5dc21cc src/qjs.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/qjs.h Wed May 01 17:31:01 2024 -0700
@@ -0,0 +1,79 @@
+
+/*
+ * Copyright (C) Dmitry Volyntsev
+ * Copyright (C) F5, Inc.
+ */
+
+#ifndef _QJS_H_INCLUDED_
+#define _QJS_H_INCLUDED_
+
+#include <njs_auto_config.h>
+
+#include <njs_types.h>
+#include <njs_clang.h>
+#include <string.h>
+#include <njs_str.h>
+#include <njs_unicode.h>
+#include <njs_utf8.h>
+#include <njs_chb.h>
+
+#if defined(__GNUC__) && (__GNUC__ >= 8)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-function-type"
+#endif
+
+#include <quickjs.h>
+
+#if defined(__GNUC__) && (__GNUC__ >= 8)
+#pragma GCC diagnostic pop
+#endif
+#define NJS_QUICKJS_VERSION "Unknown version"
+#include <pthread.h>
+
+
+typedef JSModuleDef *(*qjs_addon_init_pt)(JSContext *ctx, const char *name);
+
+typedef struct {
+ const char *name;
+ qjs_addon_init_pt init;
+} qjs_module_t;
+
+
+JSContext *qjs_new_context(JSRuntime *rt);
+
+
+JSValue qjs_buffer_alloc(JSContext *ctx, size_t size);
+JSValue qjs_buffer_chb_alloc(JSContext *ctx, njs_chb_t *chain);
+
+typedef int (*qjs_buffer_encode_t)(JSContext *ctx, const njs_str_t *src,
+ njs_str_t *dst);
+typedef size_t (*qjs_buffer_encode_length_t)(JSContext *ctx,
+ const njs_str_t *src);
+
+typedef struct {
+ njs_str_t name;
+ qjs_buffer_encode_t encode;
+ qjs_buffer_encode_length_t encode_length;
+ qjs_buffer_encode_t decode;
+ qjs_buffer_encode_length_t decode_length;
+} qjs_buffer_encoding_t;
+
+const qjs_buffer_encoding_t *qjs_buffer_encoding(JSContext *ctx,
+ JSValueConst value, JS_BOOL thrw);
+
+
+typedef struct {
+ int tag;
+ size_t length;
+ u_char *start;
+} qjs_bytes_t;
+
+int qjs_to_bytes(JSContext *ctx, qjs_bytes_t *data, JSValueConst value);
+void qjs_bytes_free(JSContext *ctx, qjs_bytes_t *data);
+JSValue qjs_typed_array_data(JSContext *ctx, JSValueConst value,
+ njs_str_t *data);
+
+
+extern qjs_module_t *qjs_modules[];
+
+#endif /* _QJS_H_INCLUDED_ */
diff -r 18fc657411ca -r f146b5dc21cc src/qjs_buffer.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/qjs_buffer.c Wed May 01 17:31:01 2024 -0700
@@ -0,0 +1,1174 @@
+
+/*
+ * Copyright (C) Dmitry Volyntsev
+ * Copyright (C) F5, Inc.
+ */
+
+#include <qjs.h>
+
+static JSValue qjs_buffer(JSContext *ctx, JSValueConst this_val, int argc,
+ JSValueConst *argv);
+static JSValue qjs_buffer_from(JSContext *ctx, JSValueConst this_val, int argc,
+ JSValueConst *argv);
+static JSValue qjs_buffer_is_buffer(JSContext *ctx, JSValueConst this_val,
+ int argc, JSValueConst *argv);
+static JSValue qjs_buffer_prototype_to_json(JSContext *ctx,
+ JSValueConst this_val, int argc, JSValueConst *argv);
+static JSValue qjs_buffer_prototype_to_string(JSContext *ctx,
+ JSValueConst this_val, int argc, JSValueConst *argv);
+static JSValue qjs_buffer_from_string(JSContext *ctx, JSValueConst str,
+ JSValueConst encoding);
+static JSValue qjs_buffer_from_typed_array(JSContext *ctx, JSValueConst obj,
+ size_t offset, size_t size, size_t bytes, int float32);
+static JSValue qjs_buffer_from_array_buffer(JSContext *ctx, u_char *buf,
+ size_t size, JSValueConst offset, JSValueConst length);
+static JSValue qjs_buffer_from_object(JSContext *ctx, JSValueConst obj);
+static int qjs_base64_encode(JSContext *ctx, const njs_str_t *src,
+ njs_str_t *dst);
+static size_t qjs_base64_encode_length(JSContext *ctx, const njs_str_t *src);
+static int qjs_base64_decode(JSContext *ctx, const njs_str_t *src,
+ njs_str_t *dst);
+static size_t qjs_base64_decode_length(JSContext *ctx, const njs_str_t *src);
+static int qjs_base64url_encode(JSContext *ctx, const njs_str_t *src,
+ njs_str_t *dst);
+static int qjs_base64url_decode(JSContext *ctx, const njs_str_t *src,
+ njs_str_t *dst);
+static size_t qjs_base64url_decode_length(JSContext *ctx, const njs_str_t *src);
+static int qjs_hex_encode(JSContext *ctx, const njs_str_t *src, njs_str_t *dst);
+static size_t qjs_hex_encode_length(JSContext *ctx, const njs_str_t *src);
+static int qjs_hex_decode(JSContext *ctx, const njs_str_t *src, njs_str_t *dst);
+static size_t qjs_hex_decode_length(JSContext *ctx, const njs_str_t *src);
+static JSValue qjs_new_uint8_array(JSContext *ctx, size_t size);
+static JSModuleDef *qjs_buffer_init(JSContext *ctx, const char *name);
+
+
+static qjs_buffer_encoding_t qjs_buffer_encodings[] =
+{
+ {
+ njs_str("utf-8"),
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ },
+
+ {
+ njs_str("utf8"),
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ },
+
+ {
+ njs_str("base64"),
+ qjs_base64_encode,
+ qjs_base64_encode_length,
+ qjs_base64_decode,
+ qjs_base64_decode_length,
+ },
+
+ {
+ njs_str("base64url"),
+ qjs_base64url_encode,
+ qjs_base64_encode_length,
+ qjs_base64url_decode,
+ qjs_base64url_decode_length,
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Subject Author Views Posted

[njs] QuickJS: added zlib module.

Dmitry Volyntsev 330 May 01, 2024 08:32PM



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