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Merge pull request #13960 from TimothyZhang/jsb-writeDataToFile 

Add jsb.fileUtils.writeDataToFile()
This commit is contained in:
pandamicro 2015-09-21 10:48:25 +08:00
parent 9246d50a7f bb8d9a4145
commit 6ab7f3804e
2 changed files with 102 additions and 0 deletions
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36
cocos/scripting/js-bindings/manual/cocos2d_specifics.cpp
View File

@ -4449,6 +4449,41 @@ bool js_cocos2dx_CCFileUtils_getDataFromFile(JSContext *cx, uint32_t argc, jsval
return false;
}
bool js_cocos2dx_CCFileUtils_writeDataToFile(JSContext *cx, uint32_t argc, jsval *vp)
{
JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
bool ok = true;
JS::RootedObject obj(cx, args.thisv().toObjectOrNull());
js_proxy_t *proxy = jsb_get_js_proxy(obj);
cocos2d::FileUtils* cobj = (cocos2d::FileUtils *)(proxy ? proxy->ptr : NULL);
JSB_PRECONDITION2( cobj, cx, false, "js_cocos2dx_CCFileUtils_writeDataToFile : Invalid Native Object");
if (argc == 2) {
Data arg0;
std::string arg1;
// copy bytes from UInit8Array
JSObject &obj0 = args.get(0).toObject();
if( JS_IsUint8Array(&obj0) ) {
uint32_t len = JS_GetArrayBufferViewByteLength(&obj0);
uint8_t* bufdata = (uint8_t*)JS_GetArrayBufferViewData(&obj0);
arg0.copy(bufdata, len);
} else {
ok = false;
}
ok &= jsval_to_std_string(cx, args.get(1), &arg1);
JSB_PRECONDITION2(ok, cx, false, "js_cocos2dx_CCFileUtils_writeDataToFile : Error processing arguments");
bool ret = cobj->writeDataToFile(arg0, arg1);
jsval jsret = JSVAL_NULL;
jsret = BOOLEAN_TO_JSVAL(ret);
args.rval().set(jsret);
return true;
}
JS_ReportError(cx, "js_cocos2dx_CCFileUtils_writeDataToFile : wrong number of arguments: %d, was expecting %d", argc, 2);
return false;
}
bool js_cocos2dx_CCFileUtils_getSearchResolutionsOrder(JSContext *cx, uint32_t argc, jsval *vp)
{
JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
@ -6257,6 +6292,7 @@ void register_cocos2dx_js_core(JSContext* cx, JS::HandleObject global)
JS_DefineFunction(cx, tmpObj, "getSearchResolutionsOrder", js_cocos2dx_CCFileUtils_getSearchResolutionsOrder, 0, JSPROP_PERMANENT );
JS_DefineFunction(cx, tmpObj, "createDictionaryWithContentsOfFile", js_cocos2dx_FileUtils_createDictionaryWithContentsOfFile, 1, JSPROP_ENUMERATE | JSPROP_PERMANENT);
JS_DefineFunction(cx, tmpObj, "getDataFromFile", js_cocos2dx_CCFileUtils_getDataFromFile, 1, JSPROP_ENUMERATE | JSPROP_PERMANENT);
JS_DefineFunction(cx, tmpObj, "writeDataToFile", js_cocos2dx_CCFileUtils_writeDataToFile, 2, JSPROP_ENUMERATE | JSPROP_PERMANENT);
JS_GetProperty(cx, ccObj, "EventListenerTouchOneByOne", &tmpVal);
tmpObj = tmpVal.toObjectOrNull();

66
tests/js-tests/src/NativeTest/FileUtils/FileUtilsTest.js
View File

@ -72,6 +72,71 @@ var fileUtilsBase = BaseTestLayer.extend({
});
var TestWriteData = fileUtilsBase.extend({
_title:"fileUtils: TestWriteData(Binary) to files",
ctor:function() {
this._super();
var winSize = cc.winSize;
var writeResult = new cc.LabelTTF("", "Arial", 18);
this.addChild(writeResult);
writeResult.setPosition(winSize.width / 2, winSize.height * 3 / 4);
var readResult = new cc.LabelTTF("", "Arial", 18);
this.addChild(readResult);
readResult.setPosition(winSize.width / 2, winSize.height / 3);
var writablePath = jsb.fileUtils.getWritablePath();
writablePath += "cocos/fileUtilTest/";
var fileName = "writeDataTest.bin";
var fullPath = writablePath + fileName;
// writeTest
var writeData = new Uint8Array(8);
for(var i = 0; i < writeData.length; i ++) {
writeData[i] = i;
}
jsb.fileUtils.createDirectory(writablePath);
if (jsb.fileUtils.writeDataToFile(writeData, fullPath))
{
log("see the file at %s", fullPath);
writeResult.setString("write success:\n" + fullPath);
}
else
{
log("write file failed");
writeResult.setString("write fail");
}
// readTest
var readData = jsb.fileUtils.getDataFromFile(fullPath);
if(!readData || typeof readData != typeof writeData) {
log("read file failed");
readResult.setString("read failed");
} else {
var match = true;
if(readData.length != writeData.length){
log("data size not match");
match = false;
} else {
for(var i = 0; i < readData.length; i ++) {
if(readData[i] != writeData[i]) {
log("data not match");
match = false;
break;
}
}
}
if(!match) {
readResult.setString("read success, but data not correct");
} else {
readResult.setString("read test success");
}
}
},
});
var TestWriteString = fileUtilsBase.extend({
_title:"fileUtils: TestWriteString to files",
ctor:function() {
@ -301,6 +366,7 @@ var TestWriteValueVector = fileUtilsBase.extend({
},
});
var arrayOffileUtils = [
TestWriteData,
TestWriteString,
TestWriteValueMap,
TestWriteValueVector