public void ObtainIntegerNumber(string fragment, int?expected)
{
/// 7.3.3 Numeric Objects
byte[] bytes = System.Text.UTF8Encoding.UTF8.GetBytes(fragment);
Tokenizer feed = new Tokenizer(new MemoryStream(bytes));
Objectizer objectizer = new Objectizer(feed);
IntegerObject actual = (IntegerObject)objectizer.NextObject();
Assert.Equal(expected, actual.IntValue);
}
public void ObtainLiteralStringWithBalancedParenthesis(string fragment, string expected)
{
// 7.3.4 String objects
var bytes = System.Text.UTF8Encoding.UTF8.GetBytes(fragment);
var feed = new Tokenizer(new MemoryStream(bytes));
var objectizer = new Objectizer(feed);
var actual = (StringObject)objectizer.NextObject();
Assert.Equal(expected, actual.Value);
}
public void ReadArrayWithNoElements()
{
// 7.3.6 Array Objects
string fragment = @"[]";
byte[] bytes = System.Text.UTF8Encoding.UTF8.GetBytes(fragment);
Tokenizer feed = new Tokenizer(new MemoryStream(bytes));
Objectizer objectizer = new Objectizer(feed);
var actual = (ArrayObject)objectizer.NextObject();
actual.Childs <PdfObject>().Should().BeEmpty();
}
public void ReadHexadecimalStringsFillingWithZeroes(string fragment, string expected)
{
// 7.3.4.3 Hexadecimal Strings
// EXAMPLE 2
var bytes = System.Text.UTF8Encoding.UTF8.GetBytes(fragment);
var feed = new Tokenizer(new MemoryStream(bytes));
var objectizer = new Objectizer(feed);
var actual = (StringObject)objectizer.NextObject();
Assert.Equal(expected, actual.Value);
}
public void UseReverseSolidusAsOctalWith3_2Or1NumberInLiteralString(string fragment, string expected)
{
// 7.3.4.2 Literal Strings
// EXAMPLE 5
var bytes = System.Text.UTF8Encoding.UTF8.GetBytes(fragment);
var feed = new Tokenizer(new MemoryStream(bytes));
var objectizer = new Objectizer(feed);
var actual = (StringObject)objectizer.NextObject();
Assert.Equal(expected, actual.Value);
}
public void ReadIndirectReference()
{
// 7.3.10 Indirect Objects
string fragment = @"1 0 R";
byte[] bytes = System.Text.UTF8Encoding.UTF8.GetBytes(fragment);
var feed = new Tokenizer(new MemoryStream(bytes));
var objectizer = new Objectizer(feed);
var actual = (IndirectReferenceObject)objectizer.NextObject();
Assert.Empty(actual.Childs <PdfObject>());
Assert.Equal(1, actual.Number);
Assert.Equal(0, actual.Generation);
}
[InlineData("<</Length 10>>stream\n0123456789endstream")] // is not completely valid, but some writers do
public void ReadStreams(string fragment)
{
// 7.3.8 Stream Objects
byte[] bytes = System.Text.UTF8Encoding.UTF8.GetBytes(fragment);
Tokenizer feed = new Tokenizer(new MemoryStream(bytes));
Objectizer objectizer = new Objectizer(feed);
DictionaryObject actual = (DictionaryObject)objectizer.NextObject();
Assert.Equal(2, actual.Childs <PdfObject>().Length);
Assert.Equal("Length", actual.Child <NameObject>(0).Value);
Assert.Equal(10, actual.Child <IntegerObject>(1).IntValue);
Assert.Equal(System.Text.UTF8Encoding.UTF8.GetBytes("0123456789"), actual.Stream);
}
public void ReadArray(string fragment)
{
// 7.3.6 Array Objects
byte[] bytes = System.Text.UTF8Encoding.UTF8.GetBytes(fragment);
var feed = new Tokenizer(new MemoryStream(bytes));
var objectizer = new Objectizer(feed);
var actual = (ArrayObject)objectizer.NextObject();
Assert.Equal(5, actual.Childs <PdfObject>().Length);
Assert.Equal(549, actual.Child <IntegerObject>(0).IntValue);
Assert.Equal(3.14f, actual.Child <RealObject>(1).Value);
Assert.False(actual.Child <BooleanObject>(2).Value);
Assert.Equal("Ralph", actual.Child <StringObject>(3).Value);
Assert.Equal("SomeName", actual.Child <NameObject>(4).Value);
}
public IndirectObject(Tokenizer tokenizer)
{
ReadNumber(tokenizer.TokenExcludedCommentsAndWhitespaces(), ref number);
ExpectAWhiteSpace(tokenizer.TokenExcludedComments());
ReadNumber(tokenizer.TokenExcludedComments(), ref generation);
if (generation < 0)
{
throw new PdfException(PdfExceptionCodes.INVALID_GENERATION, "Generation must be positive");
}
ExpectAText(tokenizer.TokenExcludedCommentsAndWhitespaces(), "obj");
Objectizer analyzeChilds = new Objectizer(tokenizer);
childs.Add(analyzeChilds.NextObject());
ExpectAText(tokenizer.TokenExcludedCommentsAndWhitespaces(), "endobj");
}
public void ReadIndirectObjects()
{
// 7.3.10 Indirect Objects
string fragment = "12 0 obj true endobj";
byte[] bytes = System.Text.UTF8Encoding.UTF8.GetBytes(fragment);
Tokenizer feed = new Tokenizer(new MemoryStream(bytes));
Objectizer objectizer = new Objectizer(feed);
IndirectObject actual = (IndirectObject)objectizer.NextObject();
Assert.Equal(12, actual.Number);
Assert.Equal(0, actual.Generation);
var childs = actual.Childs <BooleanObject>();
Assert.Single(childs);
Assert.True(childs[0].Value);
}
public ArrayObject(Tokenizer tokenizer)
{
if (!TokenValidator.IsDelimiter(tokenizer.TokenExcludedCommentsAndWhitespaces(), "["))
{
throw new PdfException(PdfExceptionCodes.INVALID_ARRAY, "Expected [");
}
var read = new Objectizer(tokenizer);
while (!tokenizer.IsNextTokenExcludedCommentsAndWhitespaces("]"))
{
childs.Add(read.NextObject());
}
if (!TokenValidator.IsDelimiter(tokenizer.TokenExcludedCommentsAndWhitespaces(), "]"))
{
throw new PdfException(PdfExceptionCodes.INVALID_ARRAY, "Expected ]");
}
}
public PageOperator(byte[] content)
{
var stream = new MemoryStream(content);
this.reader = new Objectizer(new Tokenizer(stream));
}
