summaryrefslogtreecommitdiffstats
path: root/api/logic/meta/JsonFormat.cpp
blob: 12da266f40e9741748022a7d5b06dbdb61e972f9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
/* Copyright 2015-2018 MultiMC Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "JsonFormat.h"

// FIXME: remove this from here... somehow
#include "minecraft/OneSixVersionFormat.h"
#include "Json.h"

#include "Index.h"
#include "Version.h"
#include "VersionList.h"

using namespace Json;

namespace Meta
{

MetadataVersion currentFormatVersion()
{
    return MetadataVersion::InitialRelease;
}

// Index
static std::shared_ptr<Index> parseIndexInternal(const QJsonObject &obj)
{
    const QVector<QJsonObject> objects = requireIsArrayOf<QJsonObject>(obj, "packages");
    QVector<VersionListPtr> lists;
    lists.reserve(objects.size());
    std::transform(objects.begin(), objects.end(), std::back_inserter(lists), [](const QJsonObject &obj)
    {
        VersionListPtr list = std::make_shared<VersionList>(requireString(obj, "uid"));
        list->setName(ensureString(obj, "name", QString()));
        return list;
    });
    return std::make_shared<Index>(lists);
}

// Version
static VersionPtr parseCommonVersion(const QString &uid, const QJsonObject &obj)
{
    VersionPtr version = std::make_shared<Version>(uid, requireString(obj, "version"));
    version->setTime(QDateTime::fromString(requireString(obj, "releaseTime"), Qt::ISODate).toMSecsSinceEpoch() / 1000);
    version->setType(ensureString(obj, "type", QString()));
    version->setRecommended(ensureBoolean(obj, QString("recommended"), false));
    version->setVolatile(ensureBoolean(obj, QString("volatile"), false));
    RequireSet requires, conflicts;
    parseRequires(obj, &requires, "requires");
    parseRequires(obj, &conflicts, "conflicts");
    version->setRequires(requires, conflicts);
    return version;
}

static std::shared_ptr<Version> parseVersionInternal(const QJsonObject &obj)
{
    VersionPtr version = parseCommonVersion(requireString(obj, "uid"), obj);

    version->setData(OneSixVersionFormat::versionFileFromJson(QJsonDocument(obj),
                                           QString("%1/%2.json").arg(version->uid(), version->version()),
                                           obj.contains("order")));
    return version;
}

// Version list / package
static std::shared_ptr<VersionList> parseVersionListInternal(const QJsonObject &obj)
{
    const QString uid = requireString(obj, "uid");

    const QVector<QJsonObject> versionsRaw = requireIsArrayOf<QJsonObject>(obj, "versions");
    QVector<VersionPtr> versions;
    versions.reserve(versionsRaw.size());
    std::transform(versionsRaw.begin(), versionsRaw.end(), std::back_inserter(versions), [uid](const QJsonObject &vObj)
    {
        auto version = parseCommonVersion(uid, vObj);
        version->setProvidesRecommendations();
        return version;
    });

    VersionListPtr list = std::make_shared<VersionList>(uid);
    list->setName(ensureString(obj, "name", QString()));
    list->setVersions(versions);
    return list;
}


MetadataVersion parseFormatVersion(const QJsonObject &obj, bool required)
{
    if (!obj.contains("formatVersion"))
    {
        if(required)
        {
            return MetadataVersion::Invalid;
        }
        return MetadataVersion::InitialRelease;
    }
    if (!obj.value("formatVersion").isDouble())
    {
        return MetadataVersion::Invalid;
    }
    switch(obj.value("formatVersion").toInt())
    {
        case 0:
        case 1:
            return MetadataVersion::InitialRelease;
        default:
            return MetadataVersion::Invalid;
    }
}

void serializeFormatVersion(QJsonObject& obj, Meta::MetadataVersion version)
{
    if(version == MetadataVersion::Invalid)
    {
        return;
    }
    obj.insert("formatVersion", int(version));
}

void parseIndex(const QJsonObject &obj, Index *ptr)
{
    const MetadataVersion version = parseFormatVersion(obj);
    switch (version)
    {
    case MetadataVersion::InitialRelease:
        ptr->merge(parseIndexInternal(obj));
        break;
    case MetadataVersion::Invalid:
        throw ParseException(QObject::tr("Unknown format version!"));
    }
}

void parseVersionList(const QJsonObject &obj, VersionList *ptr)
{
    const MetadataVersion version = parseFormatVersion(obj);
    switch (version)
    {
    case MetadataVersion::InitialRelease:
        ptr->merge(parseVersionListInternal(obj));
        break;
    case MetadataVersion::Invalid:
        throw ParseException(QObject::tr("Unknown format version!"));
    }
}

void parseVersion(const QJsonObject &obj, Version *ptr)
{
    const MetadataVersion version = parseFormatVersion(obj);
    switch (version)
    {
    case MetadataVersion::InitialRelease:
        ptr->merge(parseVersionInternal(obj));
        break;
    case MetadataVersion::Invalid:
        throw ParseException(QObject::tr("Unknown format version!"));
    }
}

/*
[
{"uid":"foo", "equals":"version"}
]
*/
void parseRequires(const QJsonObject& obj, RequireSet* ptr, const char * keyName)
{
    if(obj.contains(keyName))
    {
        QSet<QString> requires;
        auto reqArray = requireArray(obj, keyName);
        auto iter = reqArray.begin();
        while(iter != reqArray.end())
        {
            auto reqObject = requireObject(*iter);
            auto uid = requireString(reqObject, "uid");
            auto equals = ensureString(reqObject, "equals", QString());
            auto suggests = ensureString(reqObject, "suggests", QString());
            ptr->insert({uid, equals, suggests});
            iter++;
        }
    }
}
void serializeRequires(QJsonObject& obj, RequireSet* ptr, const char * keyName)
{
    if(!ptr || ptr->empty())
    {
        return;
    }
    QJsonArray arrOut;
    for(auto &iter: *ptr)
    {
        QJsonObject reqOut;
        reqOut.insert("uid", iter.uid);
        if(!iter.equalsVersion.isEmpty())
        {
            reqOut.insert("equals", iter.equalsVersion);
        }
        if(!iter.suggests.isEmpty())
        {
            reqOut.insert("suggests", iter.suggests);
        }
        arrOut.append(reqOut);
    }
    obj.insert(keyName, arrOut);
}

}