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author | Petr Mrázek <peterix@gmail.com> | 2016-04-10 15:53:05 +0200 |
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committer | Petr Mrázek <peterix@gmail.com> | 2016-05-01 00:00:14 +0200 |
commit | b6d455a02bd338e9dc0faa09d4d8177ecd8d569a (patch) | |
tree | 41982bca1ede50049f2f8c7109dd18edeefde6d0 /libraries/logic/Json.cpp | |
parent | 47e37635f50c09b4f9a9ee7699e3120bab3e4088 (diff) | |
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NOISSUE reorganize and document libraries
Diffstat (limited to 'libraries/logic/Json.cpp')
-rw-r--r-- | libraries/logic/Json.cpp | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/libraries/logic/Json.cpp b/libraries/logic/Json.cpp deleted file mode 100644 index f2cbc8a3..00000000 --- a/libraries/logic/Json.cpp +++ /dev/null @@ -1,272 +0,0 @@ -// Licensed under the Apache-2.0 license. See README.md for details. - -#include "Json.h" - -#include <QFile> - -#include "FileSystem.h" -#include <math.h> - -namespace Json -{ -void write(const QJsonDocument &doc, const QString &filename) -{ - FS::write(filename, doc.toJson()); -} -void write(const QJsonObject &object, const QString &filename) -{ - write(QJsonDocument(object), filename); -} -void write(const QJsonArray &array, const QString &filename) -{ - write(QJsonDocument(array), filename); -} - -QByteArray toBinary(const QJsonObject &obj) -{ - return QJsonDocument(obj).toBinaryData(); -} -QByteArray toBinary(const QJsonArray &array) -{ - return QJsonDocument(array).toBinaryData(); -} -QByteArray toText(const QJsonObject &obj) -{ - return QJsonDocument(obj).toJson(QJsonDocument::Compact); -} -QByteArray toText(const QJsonArray &array) -{ - return QJsonDocument(array).toJson(QJsonDocument::Compact); -} - -static bool isBinaryJson(const QByteArray &data) -{ - decltype(QJsonDocument::BinaryFormatTag) tag = QJsonDocument::BinaryFormatTag; - return memcmp(data.constData(), &tag, sizeof(QJsonDocument::BinaryFormatTag)) == 0; -} -QJsonDocument requireDocument(const QByteArray &data, const QString &what) -{ - if (isBinaryJson(data)) - { - QJsonDocument doc = QJsonDocument::fromBinaryData(data); - if (doc.isNull()) - { - throw JsonException(what + ": Invalid JSON (binary JSON detected)"); - } - return doc; - } - else - { - QJsonParseError error; - QJsonDocument doc = QJsonDocument::fromJson(data, &error); - if (error.error != QJsonParseError::NoError) - { - throw JsonException(what + ": Error parsing JSON: " + error.errorString()); - } - return doc; - } -} -QJsonDocument requireDocument(const QString &filename, const QString &what) -{ - return requireDocument(FS::read(filename), what); -} -QJsonObject requireObject(const QJsonDocument &doc, const QString &what) -{ - if (!doc.isObject()) - { - throw JsonException(what + " is not an object"); - } - return doc.object(); -} -QJsonArray requireArray(const QJsonDocument &doc, const QString &what) -{ - if (!doc.isArray()) - { - throw JsonException(what + " is not an array"); - } - return doc.array(); -} - -void writeString(QJsonObject &to, const QString &key, const QString &value) -{ - if (!value.isEmpty()) - { - to.insert(key, value); - } -} - -void writeStringList(QJsonObject &to, const QString &key, const QStringList &values) -{ - if (!values.isEmpty()) - { - QJsonArray array; - for(auto value: values) - { - array.append(value); - } - to.insert(key, array); - } -} - -template<> -QJsonValue toJson<QUrl>(const QUrl &url) -{ - return QJsonValue(url.toString(QUrl::FullyEncoded)); -} -template<> -QJsonValue toJson<QByteArray>(const QByteArray &data) -{ - return QJsonValue(QString::fromLatin1(data.toHex())); -} -template<> -QJsonValue toJson<QDateTime>(const QDateTime &datetime) -{ - return QJsonValue(datetime.toString(Qt::ISODate)); -} -template<> -QJsonValue toJson<QDir>(const QDir &dir) -{ - return QDir::current().relativeFilePath(dir.absolutePath()); -} -template<> -QJsonValue toJson<QUuid>(const QUuid &uuid) -{ - return uuid.toString(); -} -template<> -QJsonValue toJson<QVariant>(const QVariant &variant) -{ - return QJsonValue::fromVariant(variant); -} - - -template<> QByteArray requireIsType<QByteArray>(const QJsonValue &value, const QString &what) -{ - const QString string = ensureIsType<QString>(value, what); - // ensure that the string can be safely cast to Latin1 - if (string != QString::fromLatin1(string.toLatin1())) - { - throw JsonException(what + " is not encodable as Latin1"); - } - return QByteArray::fromHex(string.toLatin1()); -} - -template<> QJsonArray requireIsType<QJsonArray>(const QJsonValue &value, const QString &what) -{ - if (!value.isArray()) - { - throw JsonException(what + " is not an array"); - } - return value.toArray(); -} - - -template<> QString requireIsType<QString>(const QJsonValue &value, const QString &what) -{ - if (!value.isString()) - { - throw JsonException(what + " is not a string"); - } - return value.toString(); -} - -template<> bool requireIsType<bool>(const QJsonValue &value, const QString &what) -{ - if (!value.isBool()) - { - throw JsonException(what + " is not a bool"); - } - return value.toBool(); -} - -template<> double requireIsType<double>(const QJsonValue &value, const QString &what) -{ - if (!value.isDouble()) - { - throw JsonException(what + " is not a double"); - } - return value.toDouble(); -} - -template<> int requireIsType<int>(const QJsonValue &value, const QString &what) -{ - const double doubl = requireIsType<double>(value, what); - if (fmod(doubl, 1) != 0) - { - throw JsonException(what + " is not an integer"); - } - return int(doubl); -} - -template<> QDateTime requireIsType<QDateTime>(const QJsonValue &value, const QString &what) -{ - const QString string = requireIsType<QString>(value, what); - const QDateTime datetime = QDateTime::fromString(string, Qt::ISODate); - if (!datetime.isValid()) - { - throw JsonException(what + " is not a ISO formatted date/time value"); - } - return datetime; -} - -template<> QUrl requireIsType<QUrl>(const QJsonValue &value, const QString &what) -{ - const QString string = ensureIsType<QString>(value, what); - if (string.isEmpty()) - { - return QUrl(); - } - const QUrl url = QUrl(string, QUrl::StrictMode); - if (!url.isValid()) - { - throw JsonException(what + " is not a correctly formatted URL"); - } - return url; -} - -template<> QDir requireIsType<QDir>(const QJsonValue &value, const QString &what) -{ - const QString string = requireIsType<QString>(value, what); - // FIXME: does not handle invalid characters! - return QDir::current().absoluteFilePath(string); -} - -template<> QUuid requireIsType<QUuid>(const QJsonValue &value, const QString &what) -{ - const QString string = requireIsType<QString>(value, what); - const QUuid uuid = QUuid(string); - if (uuid.toString() != string) // converts back => valid - { - throw JsonException(what + " is not a valid UUID"); - } - return uuid; -} - -template<> QJsonObject requireIsType<QJsonObject>(const QJsonValue &value, const QString &what) -{ - if (!value.isObject()) - { - throw JsonException(what + " is not an object"); - } - return value.toObject(); -} - -template<> QVariant requireIsType<QVariant>(const QJsonValue &value, const QString &what) -{ - if (value.isNull() || value.isUndefined()) - { - throw JsonException(what + " is null or undefined"); - } - return value.toVariant(); -} - -template<> QJsonValue requireIsType<QJsonValue>(const QJsonValue &value, const QString &what) -{ - if (value.isNull() || value.isUndefined()) - { - throw JsonException(what + " is null or undefined"); - } - return value; -} - -} |