279 lines
12 KiB
C
279 lines
12 KiB
C
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// Tencent is pleased to support the open source community by making RapidJSON available.
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//
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// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip.
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//
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// Licensed under the MIT License (the "License"); you may not use this file except
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// in compliance with the License. You may obtain a copy of the License at
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//
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// http://opensource.org/licenses/MIT
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//
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// Unless required by applicable law or agreed to in writing, software distributed
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// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations under the License.
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#ifndef RAPIDJSON_ERROR_ERROR_H_
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#define RAPIDJSON_ERROR_ERROR_H_
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#include "../rapidjson.h"
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#ifdef __clang__
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RAPIDJSON_DIAG_PUSH
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RAPIDJSON_DIAG_OFF(padded)
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#endif
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/*! \file error.h */
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/*! \defgroup RAPIDJSON_ERRORS RapidJSON error handling */
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///////////////////////////////////////////////////////////////////////////////
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// RAPIDJSON_ERROR_CHARTYPE
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//! Character type of error messages.
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/*! \ingroup RAPIDJSON_ERRORS
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The default character type is \c char.
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On Windows, user can define this macro as \c TCHAR for supporting both
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unicode/non-unicode settings.
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*/
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#ifndef RAPIDJSON_ERROR_CHARTYPE
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#define RAPIDJSON_ERROR_CHARTYPE char
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// RAPIDJSON_ERROR_STRING
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//! Macro for converting string literial to \ref RAPIDJSON_ERROR_CHARTYPE[].
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/*! \ingroup RAPIDJSON_ERRORS
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By default this conversion macro does nothing.
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On Windows, user can define this macro as \c _T(x) for supporting both
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unicode/non-unicode settings.
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*/
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#ifndef RAPIDJSON_ERROR_STRING
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#define RAPIDJSON_ERROR_STRING(x) x
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#endif
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RAPIDJSON_NAMESPACE_BEGIN
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///////////////////////////////////////////////////////////////////////////////
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// ParseErrorCode
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//! Error code of parsing.
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/*! \ingroup RAPIDJSON_ERRORS
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\see GenericReader::Parse, GenericReader::GetParseErrorCode
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*/
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enum ParseErrorCode {
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kParseErrorNone = 0, //!< No error.
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kParseErrorDocumentEmpty, //!< The document is empty.
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kParseErrorDocumentRootNotSingular, //!< The document root must not follow by other values.
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kParseErrorValueInvalid, //!< Invalid value.
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kParseErrorObjectMissName, //!< Missing a name for object member.
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kParseErrorObjectMissColon, //!< Missing a colon after a name of object member.
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kParseErrorObjectMissCommaOrCurlyBracket, //!< Missing a comma or '}' after an object member.
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kParseErrorArrayMissCommaOrSquareBracket, //!< Missing a comma or ']' after an array element.
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kParseErrorStringUnicodeEscapeInvalidHex, //!< Incorrect hex digit after \\u escape in string.
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kParseErrorStringUnicodeSurrogateInvalid, //!< The surrogate pair in string is invalid.
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kParseErrorStringEscapeInvalid, //!< Invalid escape character in string.
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kParseErrorStringMissQuotationMark, //!< Missing a closing quotation mark in string.
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kParseErrorStringInvalidEncoding, //!< Invalid encoding in string.
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kParseErrorNumberTooBig, //!< Number too big to be stored in double.
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kParseErrorNumberMissFraction, //!< Miss fraction part in number.
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kParseErrorNumberMissExponent, //!< Miss exponent in number.
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kParseErrorTermination, //!< Parsing was terminated.
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kParseErrorUnspecificSyntaxError //!< Unspecific syntax error.
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};
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//! Result of parsing (wraps ParseErrorCode)
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/*!
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\ingroup RAPIDJSON_ERRORS
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\code
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Document doc;
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ParseResult ok = doc.Parse("[42]");
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if (!ok) {
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fprintf(stderr, "JSON parse error: %s (%u)",
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GetParseError_En(ok.Code()), ok.Offset());
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exit(EXIT_FAILURE);
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}
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\endcode
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\see GenericReader::Parse, GenericDocument::Parse
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*/
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struct ParseResult {
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//!! Unspecified boolean type
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typedef bool (ParseResult::*BooleanType)() const;
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public:
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//! Default constructor, no error.
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ParseResult() : code_(kParseErrorNone), offset_(0) {}
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//! Constructor to set an error.
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ParseResult(ParseErrorCode code, size_t offset) : code_(code), offset_(offset) {}
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//! Get the error code.
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ParseErrorCode Code() const { return code_; }
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//! Get the error offset, if \ref IsError(), 0 otherwise.
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size_t Offset() const { return offset_; }
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//! Explicit conversion to \c bool, returns \c true, iff !\ref IsError().
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operator BooleanType() const { return !IsError() ? &ParseResult::IsError : NULL; }
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//! Whether the result is an error.
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bool IsError() const { return code_ != kParseErrorNone; }
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bool operator==(const ParseResult& that) const { return code_ == that.code_; }
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bool operator==(ParseErrorCode code) const { return code_ == code; }
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friend bool operator==(ParseErrorCode code, const ParseResult & err) { return code == err.code_; }
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bool operator!=(const ParseResult& that) const { return !(*this == that); }
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bool operator!=(ParseErrorCode code) const { return !(*this == code); }
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friend bool operator!=(ParseErrorCode code, const ParseResult & err) { return err != code; }
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//! Reset error code.
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void Clear() { Set(kParseErrorNone); }
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//! Update error code and offset.
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void Set(ParseErrorCode code, size_t offset = 0) { code_ = code; offset_ = offset; }
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private:
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ParseErrorCode code_;
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size_t offset_;
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};
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//! Function pointer type of GetParseError().
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/*! \ingroup RAPIDJSON_ERRORS
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This is the prototype for \c GetParseError_X(), where \c X is a locale.
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User can dynamically change locale in runtime, e.g.:
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\code
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GetParseErrorFunc GetParseError = GetParseError_En; // or whatever
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const RAPIDJSON_ERROR_CHARTYPE* s = GetParseError(document.GetParseErrorCode());
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\endcode
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*/
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typedef const RAPIDJSON_ERROR_CHARTYPE* (*GetParseErrorFunc)(ParseErrorCode);
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///////////////////////////////////////////////////////////////////////////////
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// ValidateErrorCode
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//! Error codes when validating.
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/*! \ingroup RAPIDJSON_ERRORS
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\see GenericSchemaValidator
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*/
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enum ValidateErrorCode {
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kValidateErrors = -1, //!< Top level error code when kValidateContinueOnErrorsFlag set.
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kValidateErrorNone = 0, //!< No error.
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kValidateErrorMultipleOf, //!< Number is not a multiple of the 'multipleOf' value.
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kValidateErrorMaximum, //!< Number is greater than the 'maximum' value.
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kValidateErrorExclusiveMaximum, //!< Number is greater than or equal to the 'maximum' value.
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kValidateErrorMinimum, //!< Number is less than the 'minimum' value.
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kValidateErrorExclusiveMinimum, //!< Number is less than or equal to the 'minimum' value.
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kValidateErrorMaxLength, //!< String is longer than the 'maxLength' value.
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kValidateErrorMinLength, //!< String is longer than the 'maxLength' value.
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kValidateErrorPattern, //!< String does not match the 'pattern' regular expression.
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kValidateErrorMaxItems, //!< Array is longer than the 'maxItems' value.
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kValidateErrorMinItems, //!< Array is shorter than the 'minItems' value.
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kValidateErrorUniqueItems, //!< Array has duplicate items but 'uniqueItems' is true.
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kValidateErrorAdditionalItems, //!< Array has additional items that are not allowed by the schema.
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kValidateErrorMaxProperties, //!< Object has more members than 'maxProperties' value.
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kValidateErrorMinProperties, //!< Object has less members than 'minProperties' value.
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kValidateErrorRequired, //!< Object is missing one or more members required by the schema.
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kValidateErrorAdditionalProperties, //!< Object has additional members that are not allowed by the schema.
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kValidateErrorPatternProperties, //!< See other errors.
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kValidateErrorDependencies, //!< Object has missing property or schema dependencies.
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kValidateErrorEnum, //!< Property has a value that is not one of its allowed enumerated values.
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kValidateErrorType, //!< Property has a type that is not allowed by the schema.
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kValidateErrorOneOf, //!< Property did not match any of the sub-schemas specified by 'oneOf'.
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kValidateErrorOneOfMatch, //!< Property matched more than one of the sub-schemas specified by 'oneOf'.
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kValidateErrorAllOf, //!< Property did not match all of the sub-schemas specified by 'allOf'.
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kValidateErrorAnyOf, //!< Property did not match any of the sub-schemas specified by 'anyOf'.
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kValidateErrorNot //!< Property matched the sub-schema specified by 'not'.
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};
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//! Function pointer type of GetValidateError().
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/*! \ingroup RAPIDJSON_ERRORS
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This is the prototype for \c GetValidateError_X(), where \c X is a locale.
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User can dynamically change locale in runtime, e.g.:
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\code
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GetValidateErrorFunc GetValidateError = GetValidateError_En; // or whatever
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const RAPIDJSON_ERROR_CHARTYPE* s = GetValidateError(validator.GetInvalidSchemaCode());
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\endcode
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*/
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typedef const RAPIDJSON_ERROR_CHARTYPE* (*GetValidateErrorFunc)(ValidateErrorCode);
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///////////////////////////////////////////////////////////////////////////////
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// SchemaErrorCode
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//! Error codes when validating.
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/*! \ingroup RAPIDJSON_ERRORS
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\see GenericSchemaValidator
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*/
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enum SchemaErrorCode {
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kSchemaErrorNone = 0, //!< No error.
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kSchemaErrorStartUnknown, //!< Pointer to start of schema does not resolve to a location in the document
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kSchemaErrorRefPlainName, //!< $ref fragment must be a JSON pointer
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kSchemaErrorRefInvalid, //!< $ref must not be an empty string
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kSchemaErrorRefPointerInvalid, //!< $ref fragment is not a valid JSON pointer at offset
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kSchemaErrorRefUnknown, //!< $ref does not resolve to a location in the target document
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kSchemaErrorRefCyclical, //!< $ref is cyclical
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kSchemaErrorRefNoRemoteProvider, //!< $ref is remote but there is no remote provider
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kSchemaErrorRefNoRemoteSchema, //!< $ref is remote but the remote provider did not return a schema
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kSchemaErrorRegexInvalid //!< Invalid regular expression in 'pattern' or 'patternProperties'
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};
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//! Function pointer type of GetSchemaError().
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/*! \ingroup RAPIDJSON_ERRORS
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This is the prototype for \c GetSchemaError_X(), where \c X is a locale.
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User can dynamically change locale in runtime, e.g.:
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\code
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GetSchemaErrorFunc GetSchemaError = GetSchemaError_En; // or whatever
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const RAPIDJSON_ERROR_CHARTYPE* s = GetSchemaError(validator.GetInvalidSchemaCode());
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\endcode
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*/
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typedef const RAPIDJSON_ERROR_CHARTYPE* (*GetSchemaErrorFunc)(SchemaErrorCode);
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///////////////////////////////////////////////////////////////////////////////
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// PointerParseErrorCode
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//! Error code of JSON pointer parsing.
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/*! \ingroup RAPIDJSON_ERRORS
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\see GenericPointer::GenericPointer, GenericPointer::GetParseErrorCode
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*/
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enum PointerParseErrorCode {
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kPointerParseErrorNone = 0, //!< The parse is successful
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kPointerParseErrorTokenMustBeginWithSolidus, //!< A token must begin with a '/'
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kPointerParseErrorInvalidEscape, //!< Invalid escape
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kPointerParseErrorInvalidPercentEncoding, //!< Invalid percent encoding in URI fragment
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kPointerParseErrorCharacterMustPercentEncode //!< A character must percent encoded in URI fragment
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};
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//! Function pointer type of GetPointerParseError().
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/*! \ingroup RAPIDJSON_ERRORS
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This is the prototype for \c GetPointerParseError_X(), where \c X is a locale.
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User can dynamically change locale in runtime, e.g.:
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\code
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GetPointerParseErrorFunc GetPointerParseError = GetPointerParseError_En; // or whatever
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const RAPIDJSON_ERROR_CHARTYPE* s = GetPointerParseError(pointer.GetParseErrorCode());
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\endcode
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*/
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typedef const RAPIDJSON_ERROR_CHARTYPE* (*GetPointerParseErrorFunc)(PointerParseErrorCode);
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RAPIDJSON_NAMESPACE_END
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#ifdef __clang__
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RAPIDJSON_DIAG_POP
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#endif
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#endif // RAPIDJSON_ERROR_ERROR_H_
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