diff options
Diffstat (limited to 'csharp/src/Google.Protobuf/JsonTokenizer.cs')
| -rw-r--r-- | csharp/src/Google.Protobuf/JsonTokenizer.cs | 42 |
1 files changed, 26 insertions, 16 deletions
diff --git a/csharp/src/Google.Protobuf/JsonTokenizer.cs b/csharp/src/Google.Protobuf/JsonTokenizer.cs index 108ccebe..5ed1e449 100644 --- a/csharp/src/Google.Protobuf/JsonTokenizer.cs +++ b/csharp/src/Google.Protobuf/JsonTokenizer.cs @@ -88,6 +88,7 @@ namespace Google.Protobuf /// </remarks> /// <returns>The next token in the stream. This is never null.</returns> /// <exception cref="InvalidOperationException">This method is called after an EndDocument token has been returned</exception> + /// <exception cref="InvalidJsonException">The input text does not comply with RFC 7159</exception> internal JsonToken Next() { if (bufferedToken != null) @@ -182,7 +183,7 @@ namespace Google.Protobuf ValidateAndModifyStateForValue("Invalid state to read a number token: "); return JsonToken.Value(number); default: - throw new InvalidProtocolBufferException("Invalid first character of token: " + next.Value); + throw new InvalidJsonException("Invalid first character of token: " + next.Value); } } } @@ -191,7 +192,7 @@ namespace Google.Protobuf { if ((validStates & state) == 0) { - throw new InvalidProtocolBufferException(errorPrefix + state); + throw reader.CreateException(errorPrefix + state); } } @@ -207,13 +208,13 @@ namespace Google.Protobuf char c = reader.ReadOrFail("Unexpected end of text while reading string"); if (c < ' ') { - throw new InvalidProtocolBufferException(string.Format(CultureInfo.InvariantCulture, "Invalid character in string literal: U+{0:x4}", (int) c)); + throw reader.CreateException(string.Format(CultureInfo.InvariantCulture, "Invalid character in string literal: U+{0:x4}", (int) c)); } if (c == '"') { if (haveHighSurrogate) { - throw new InvalidProtocolBufferException("Invalid use of surrogate pair code units"); + throw reader.CreateException("Invalid use of surrogate pair code units"); } return value.ToString(); } @@ -226,7 +227,7 @@ namespace Google.Protobuf // followed by an escaped low surrogate or vice versa... and that couldn't even be represented in UTF-8. if (haveHighSurrogate != char.IsLowSurrogate(c)) { - throw new InvalidProtocolBufferException("Invalid use of surrogate pair code units"); + throw reader.CreateException("Invalid use of surrogate pair code units"); } haveHighSurrogate = char.IsHighSurrogate(c); value.Append(c); @@ -260,7 +261,7 @@ namespace Google.Protobuf case 'u': return ReadUnicodeEscape(); default: - throw new InvalidProtocolBufferException(string.Format(CultureInfo.InvariantCulture, "Invalid character in character escape sequence: U+{0:x4}", (int) c)); + throw reader.CreateException(string.Format(CultureInfo.InvariantCulture, "Invalid character in character escape sequence: U+{0:x4}", (int) c)); } } @@ -288,7 +289,7 @@ namespace Google.Protobuf } else { - throw new InvalidProtocolBufferException(string.Format(CultureInfo.InvariantCulture, "Invalid character in character escape sequence: U+{0:x4}", (int) c)); + throw reader.CreateException(string.Format(CultureInfo.InvariantCulture, "Invalid character in character escape sequence: U+{0:x4}", (int) c)); } result = (result << 4) + nybble; } @@ -306,11 +307,11 @@ namespace Google.Protobuf char? next = reader.Read(); if (next == null) { - throw new InvalidProtocolBufferException("Unexpected end of text while reading literal token " + text); + throw reader.CreateException("Unexpected end of text while reading literal token " + text); } if (next.Value != text[i]) { - throw new InvalidProtocolBufferException("Unexpected character while reading literal token " + text); + throw reader.CreateException("Unexpected character while reading literal token " + text); } } } @@ -354,7 +355,7 @@ namespace Google.Protobuf } catch (OverflowException) { - throw new InvalidProtocolBufferException("Numeric value out of range: " + builder); + throw reader.CreateException("Numeric value out of range: " + builder); } } @@ -363,14 +364,14 @@ namespace Google.Protobuf char first = reader.ReadOrFail("Invalid numeric literal"); if (first < '0' || first > '9') { - throw new InvalidProtocolBufferException("Invalid numeric literal"); + throw reader.CreateException("Invalid numeric literal"); } builder.Append(first); int digitCount; char? next = ConsumeDigits(builder, out digitCount); if (first == '0' && digitCount != 0) { - throw new InvalidProtocolBufferException("Invalid numeric literal: leading 0 for non-zero value."); + throw reader.CreateException("Invalid numeric literal: leading 0 for non-zero value."); } return next; } @@ -382,7 +383,7 @@ namespace Google.Protobuf char? next = ConsumeDigits(builder, out digitCount); if (digitCount == 0) { - throw new InvalidProtocolBufferException("Invalid numeric literal: fraction with no trailing digits"); + throw reader.CreateException("Invalid numeric literal: fraction with no trailing digits"); } return next; } @@ -393,7 +394,7 @@ namespace Google.Protobuf char? next = reader.Read(); if (next == null) { - throw new InvalidProtocolBufferException("Invalid numeric literal: exponent with no trailing digits"); + throw reader.CreateException("Invalid numeric literal: exponent with no trailing digits"); } if (next == '-' || next == '+') { @@ -407,7 +408,7 @@ namespace Google.Protobuf next = ConsumeDigits(builder, out digitCount); if (digitCount == 0) { - throw new InvalidProtocolBufferException("Invalid numeric literal: exponent without value"); + throw reader.CreateException("Invalid numeric literal: exponent without value"); } return next; } @@ -615,7 +616,7 @@ namespace Google.Protobuf char? next = Read(); if (next == null) { - throw new InvalidProtocolBufferException(messageOnFailure); + throw CreateException(messageOnFailure); } return next.Value; } @@ -628,6 +629,15 @@ namespace Google.Protobuf } nextChar = c; } + + /// <summary> + /// Creates a new exception appropriate for the current state of the reader. + /// </summary> + internal InvalidJsonException CreateException(string message) + { + // TODO: Keep track of and use the location. + return new InvalidJsonException(message); + } } } } |