errorformatting.h

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#ifndef REFLECTIVE_RAPIDJSON_JSON_ERROR_FORMATTING_H
#define REFLECTIVE_RAPIDJSON_JSON_ERROR_FORMATTING_H
 
#include "./errorhandling.h"
 
#include <c++utilities/conversion/stringbuilder.h>
 
#include <string_view>
 
namespace ReflectiveRapidJSON {
 
inline std::string_view jsonTypeToString(JsonType jsonType)
{
    switch (jsonType) {
    case ReflectiveRapidJSON::JsonType::Null:
        return "null";
    case ReflectiveRapidJSON::JsonType::Number:
        return "number";
    case ReflectiveRapidJSON::JsonType::Bool:
        return "bool";
    case ReflectiveRapidJSON::JsonType::String:
        return "string";
    case ReflectiveRapidJSON::JsonType::Array:
        return "array";
    case ReflectiveRapidJSON::JsonType::Object:
        return "object";
    default:
        return "?";
    }
}
 
inline std::string formatJsonDeserializationError(const JsonDeserializationError &error)
{
    using namespace CppUtilities;
    std::string_view errorKind;
    std::string additionalInfo;
    switch (error.kind) {
    case JsonDeserializationErrorKind::TypeMismatch:
        errorKind = "type mismatch";
        additionalInfo = ": expected \"" % jsonTypeToString(error.expectedType) % "\", got \"" % jsonTypeToString(error.actualType) + '\"';
        break;
    case JsonDeserializationErrorKind::ArraySizeMismatch:
        errorKind = "array size mismatch";
        break;
    case JsonDeserializationErrorKind::ConversionError:
        errorKind = "conversion error";
        break;
    case JsonDeserializationErrorKind::UnexpectedDuplicate:
        errorKind = "unexpected duplicate";
        break;
    case JsonDeserializationErrorKind::InvalidVariantObject:
        errorKind = "invalid variant object";
        break;
    case JsonDeserializationErrorKind::InvalidVariantIndex:
        errorKind = "invalid variant index";
        break;
    default:
        errorKind = "semantic error";
    }
    if (error.record && error.member) {
        return errorKind % " within record \"" % error.record % "\" and member \"" % error.member % '\"' + additionalInfo;
    } else if (error.record && error.index != JsonDeserializationError::noIndex) {
        return errorKind % " within record \"" % error.record % "\" and index \"" % error.index % '\"' + additionalInfo;
    } else if (error.record) {
        return errorKind % " within record \"" % error.record % '\"' + additionalInfo;
    } else {
        return errorKind % " in document" + additionalInfo;
    }
}
 
} // namespace ReflectiveRapidJSON
 
#endif // REFLECTIVE_RAPIDJSON_JSON_ERROR_FORMATTING_H