electron/atom/browser/mac/dict_util.mm

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// Copyright (c) 2016 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/browser/mac/dict_util.h"
#include "base/json/json_writer.h"
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#include "base/strings/sys_string_conversions.h"
#include "base/values.h"
namespace atom {
NSArray* ListValueToNSArray(const base::ListValue& value) {
std::string json;
if (!base::JSONWriter::Write(value, &json))
return nil;
NSData* jsonData = [NSData dataWithBytes:json.c_str() length:json.length()];
id obj =
[NSJSONSerialization JSONObjectWithData:jsonData options:0 error:nil];
if (![obj isKindOfClass:[NSArray class]])
return nil;
return obj;
}
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std::unique_ptr<base::ListValue> NSArrayToListValue(NSArray* arr) {
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if (!arr)
return nullptr;
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std::unique_ptr<base::ListValue> result(new base::ListValue);
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for (id value in arr) {
if ([value isKindOfClass:[NSString class]]) {
result->AppendString(base::SysNSStringToUTF8(value));
} else if ([value isKindOfClass:[NSNumber class]]) {
const char* objc_type = [value objCType];
if (strcmp(objc_type, @encode(BOOL)) == 0 ||
strcmp(objc_type, @encode(char)) == 0)
result->AppendBoolean([value boolValue]);
else if (strcmp(objc_type, @encode(double)) == 0 ||
strcmp(objc_type, @encode(float)) == 0)
result->AppendDouble([value doubleValue]);
else
result->AppendInteger([value intValue]);
} else if ([value isKindOfClass:[NSArray class]]) {
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std::unique_ptr<base::ListValue> sub_arr = NSArrayToListValue(value);
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if (sub_arr)
result->Append(std::move(sub_arr));
else
result->Append(base::Value::CreateNullValue());
} else if ([value isKindOfClass:[NSDictionary class]]) {
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std::unique_ptr<base::DictionaryValue> sub_dict =
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NSDictionaryToDictionaryValue(value);
if (sub_dict)
result->Append(std::move(sub_dict));
else
result->Append(base::Value::CreateNullValue());
} else {
result->AppendString(base::SysNSStringToUTF8([value description]));
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}
}
return result;
}
NSDictionary* DictionaryValueToNSDictionary(const base::DictionaryValue& value) {
std::string json;
if (!base::JSONWriter::Write(value, &json))
return nil;
NSData* jsonData = [NSData dataWithBytes:json.c_str() length:json.length()];
id obj = [NSJSONSerialization JSONObjectWithData:jsonData
options:0
error:nil];
if (![obj isKindOfClass:[NSDictionary class]])
return nil;
return obj;
}
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std::unique_ptr<base::DictionaryValue> NSDictionaryToDictionaryValue(
NSDictionary* dict) {
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if (!dict)
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return nullptr;
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std::unique_ptr<base::DictionaryValue> result(new base::DictionaryValue);
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for (id key in dict) {
std::string str_key = base::SysNSStringToUTF8(
[key isKindOfClass:[NSString class]] ? key : [key description]);
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id value = [dict objectForKey:key];
if ([value isKindOfClass:[NSString class]]) {
result->SetStringWithoutPathExpansion(
str_key, base::SysNSStringToUTF8(value));
} else if ([value isKindOfClass:[NSNumber class]]) {
const char* objc_type = [value objCType];
if (strcmp(objc_type, @encode(BOOL)) == 0 ||
strcmp(objc_type, @encode(char)) == 0)
result->SetBooleanWithoutPathExpansion(str_key, [value boolValue]);
else if (strcmp(objc_type, @encode(double)) == 0 ||
strcmp(objc_type, @encode(float)) == 0)
result->SetDoubleWithoutPathExpansion(str_key, [value doubleValue]);
else
result->SetIntegerWithoutPathExpansion(str_key, [value intValue]);
} else if ([value isKindOfClass:[NSArray class]]) {
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std::unique_ptr<base::ListValue> sub_arr = NSArrayToListValue(value);
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if (sub_arr)
result->SetWithoutPathExpansion(str_key, std::move(sub_arr));
else
result->SetWithoutPathExpansion(str_key,
base::Value::CreateNullValue());
} else if ([value isKindOfClass:[NSDictionary class]]) {
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std::unique_ptr<base::DictionaryValue> sub_dict =
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NSDictionaryToDictionaryValue(value);
if (sub_dict)
result->SetWithoutPathExpansion(str_key, std::move(sub_dict));
else
result->SetWithoutPathExpansion(str_key,
base::Value::CreateNullValue());
} else {
result->SetStringWithoutPathExpansion(
str_key,
base::SysNSStringToUTF8([value description]));
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}
}
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return result;
}
} // namespace atom