64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
#include "cell.h"
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static JSValue js_json_encode(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv) {
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if (argc < 1) return JS_ThrowTypeError(ctx, "json.encode requires at least 1 argument");
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JSValue global = JS_GetGlobalObject(ctx);
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JSValue json = JS_GetPropertyStr(ctx, global, "JSON");
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JSValue stringify = JS_GetPropertyStr(ctx, json, "stringify");
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JSValue args[3];
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args[0] = argv[0]; // value
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args[1] = (argc > 1) ? argv[1] : JS_NULL; // replacer
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args[2] = (argc > 2) ? argv[2] : JS_NewInt32(ctx, 1); // space, default 1
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JSValue result = JS_Call(ctx, stringify, json, 3, args);
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JS_FreeValue(ctx, stringify);
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JS_FreeValue(ctx, json);
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JS_FreeValue(ctx, global);
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if (argc <= 2) JS_FreeValue(ctx, args[2]);
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return result;
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}
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static JSValue js_json_decode(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv) {
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if (argc < 1) return JS_ThrowTypeError(ctx, "json.decode requires at least 1 argument");
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if (!JS_IsString(argv[0])) {
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JSValue err = JS_NewError(ctx);
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JS_DefinePropertyValueStr(ctx, err, "message",
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JS_NewString(ctx, "couldn't parse text: not a string"),
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JS_PROP_WRITABLE | JS_PROP_CONFIGURABLE);
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return JS_Throw(ctx, err);
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}
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JSValue global = JS_GetGlobalObject(ctx);
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JSValue json = JS_GetPropertyStr(ctx, global, "JSON");
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JSValue parse = JS_GetPropertyStr(ctx, json, "parse");
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JSValue args[2];
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args[0] = argv[0]; // text
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args[1] = (argc > 1) ? argv[1] : JS_NULL; // reviver
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JSValue result = JS_Call(ctx, parse, json, argc > 1 ? 2 : 1, args);
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JS_FreeValue(ctx, parse);
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JS_FreeValue(ctx, json);
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JS_FreeValue(ctx, global);
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return result;
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}
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static const JSCFunctionListEntry js_json_funcs[] = {
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JS_CFUNC_DEF("encode", 1, js_json_encode),
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JS_CFUNC_DEF("decode", 1, js_json_decode),
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};
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JSValue js_json_use(JSContext *js) {
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JSValue export = JS_NewObject(js);
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JS_SetPropertyFunctionList(js, export, js_json_funcs, sizeof(js_json_funcs)/sizeof(JSCFunctionListEntry));
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return export;
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}
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