private SeparatedValueReader(Stream stream, SeparatedValueSchema schema, SeparatedValueOptions options, bool hasSchema, bool ownsStream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (hasSchema && schema == null)
{
throw new ArgumentNullException("schema");
}
if (options == null)
{
throw new ArgumentNullException("options");
}
reader = new RecordReader(stream, options.Encoding, options.RecordSeparator, ownsStream);
regex = buildRegex(options.Separator);
if (hasSchema)
{
if (options.IsFirstRecordSchema)
{
readNextRecord(); // skip header record
}
this.schema = schema;
}
else if (options.IsFirstRecordSchema)
{
string[] columnNames = readNextRecord();
this.schema = new SeparatedValueSchema();
foreach (string columnName in columnNames)
{
StringColumn column = new StringColumn(columnName);
this.schema.AddColumn(column);
}
}
}
private SeparatedValueReader(TextReader reader, SeparatedValueSchema schema, SeparatedValueOptions options, bool hasSchema)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
if (hasSchema && schema == null)
{
throw new ArgumentNullException(nameof(schema));
}
if (options == null)
{
options = new SeparatedValueOptions();
}
if (options.RecordSeparator == options.Separator)
{
throw new ArgumentException(Resources.SameSeparator, nameof(options));
}
RetryReader retryReader = new RetryReader(reader);
parser = new SeparatedValueRecordParser(retryReader, options);
metadata = new SeparatedValueRecordContext()
{
ExecutionContext = new SeparatedValueExecutionContext()
{
Schema = hasSchema ? schema : null,
Options = parser.Options
}
};
}
private SeparatedValueReader(TextReader reader, SeparatedValueSchema schema, SeparatedValueOptions options, bool hasSchema)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
if (hasSchema && schema == null)
{
throw new ArgumentNullException(nameof(schema));
}
if (options == null)
{
options = new SeparatedValueOptions();
}
if (options.RecordSeparator == options.Separator)
{
throw new ArgumentException(SharedResources.SameSeparator, nameof(options));
}
RetryReader retryReader = new RetryReader(reader);
this.parser = new SeparatedValueRecordParser(retryReader, options);
if (hasSchema)
{
this.schema = schema;
}
}
public SeparatedValueRecordWriter(TextWriter writer, SeparatedValueSchema schema, SeparatedValueOptions options)
{
this.writer = writer;
this.schema = schema;
this.options = options.Clone();
this.quoteString = String.Empty + options.Quote;
this.doubleQuoteString = String.Empty + options.Quote + options.Quote;
}
private SeparatedValueComplexColumn(string columnName, SeparatedValueSchema schema, SeparatedValueOptions options, bool hasSchema)
: base(columnName)
{
if (hasSchema && schema == null)
{
throw new ArgumentNullException(nameof(schema));
}
this.schema = schema;
Options = options;
}
public SeparatedValueRecordParser(RetryReader reader, SeparatedValueOptions options)
{
this.reader = reader;
this.options = options.Clone();
this.separatorMatcher = getMatcher(options.Separator);
this.recordSeparatorMatcher = getMatcher(options.RecordSeparator);
if (options.RecordSeparator.StartsWith(options.Separator))
{
string postfix = options.RecordSeparator.Substring(options.Separator.Length);
this.postfixMatcher = getMatcher(postfix);
}
this.token = new StringBuilder();
}
public SeparatedValueRecordParser(RetryReader reader, SeparatedValueOptions options)
{
this.reader = reader;
Options = options.Clone();
separatorMatcher = SeparatorMatcher.GetMatcher(reader, options.Separator);
recordSeparatorMatcher = SeparatorMatcher.GetMatcher(reader, options.RecordSeparator);
if (options.RecordSeparator != null && options.RecordSeparator.StartsWith(options.Separator))
{
string postfix = options.RecordSeparator.Substring(options.Separator.Length);
postfixMatcher = SeparatorMatcher.GetMatcher(reader, postfix);
}
separatorLength = Math.Max(Options.RecordSeparator?.Length ?? 2, Options.Separator.Length);
}
public SeparatedValueRecordParser(RetryReader reader, SeparatedValueOptions options)
{
this.reader = reader;
this.options = options.Clone();
this.separatorMatcher = getMatcher(options.Separator);
this.recordSeparatorMatcher = getMatcher(options.RecordSeparator);
if (options.RecordSeparator.StartsWith(options.Separator))
{
string postfix = options.RecordSeparator.Substring(options.Separator.Length);
this.postfixMatcher = getMatcher(postfix);
}
this.token = new StringBuilder();
}
public SeparatedValueRecordParser(RetryReader reader, SeparatedValueOptions options)
{
this.reader = reader;
this.options = options.Clone();
this.separatorMatcher = SeparatorMatcher.GetMatcher(reader, options.Separator);
this.recordSeparatorMatcher = SeparatorMatcher.GetMatcher(reader, options.RecordSeparator);
if (options.RecordSeparator != null && options.RecordSeparator.StartsWith(options.Separator))
{
string postfix = options.RecordSeparator.Substring(options.Separator.Length);
this.postfixMatcher = SeparatorMatcher.GetMatcher(reader, postfix);
}
this.separatorLength = Math.Max(this.options.RecordSeparator?.Length ?? 2, this.options.Separator.Length);
this.tokens = new List <string>();
this.token = new StringBuilder();
}
private SeparatedValueWriter(TextWriter writer, SeparatedValueSchema schema, SeparatedValueOptions options, bool hasSchema)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (hasSchema && schema == null)
{
throw new ArgumentNullException("schema");
}
if (options == null)
{
options = new SeparatedValueOptions();
}
this.recordWriter = new SeparatedValueRecordWriter(writer, schema, options);
}
/// <summary>
/// Initializes a new SeparatedValueWriter with the given schema.
/// </summary>
/// <param name="writer">A writer over the separated value document.</param>
/// <param name="injector">The schema injector to use to determine the schema.</param>
/// <param name="options">The options used to format the output.</param>
/// <exception cref="ArgumentNullException">The writer is null.</exception>
/// <exception cref="ArgumentNullException">The schema injector is null.</exception>
public SeparatedValueWriter(TextWriter writer, SeparatedValueSchemaInjector injector, SeparatedValueOptions options = null)
{
if (writer == null)
{
throw new ArgumentNullException(nameof(writer));
}
if (injector == null)
{
throw new ArgumentNullException(nameof(injector));
}
if (options == null)
{
options = new SeparatedValueOptions();
}
recordWriter = new SeparatedValueRecordWriter(writer, injector, options);
}
//[Benchmark]
public void FlatFilesCsv()
{
var tr = TestData.GetTextReader();
var opts = new FlatFiles.SeparatedValueOptions()
{
IsFirstRecordSchema = true
};
var dr = new FlatFiles.FlatFileDataReader(new FlatFiles.SeparatedValueReader(tr, opts));
while (dr.Read())
{
for (int i = 0; i < dr.FieldCount; i++)
{
var s = dr.GetValue(i);
}
}
}
private SeparatedValueWriter(TextWriter writer, SeparatedValueSchema schema, SeparatedValueOptions options, bool hasSchema)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (hasSchema && schema == null)
{
throw new ArgumentNullException("schema");
}
if (options == null)
{
options = new SeparatedValueOptions();
}
this.recordWriter = new SeparatedValueRecordWriter(writer, schema, options);
this.isFirstLine = true;
}
private SeparatedValueReader(TextReader reader, SeparatedValueSchema schema, SeparatedValueOptions options, bool hasSchema)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
if (hasSchema && schema == null)
{
throw new ArgumentNullException("schema");
}
if (options == null)
{
options = new SeparatedValueOptions();
}
if (options.RecordSeparator == options.Separator)
{
throw new ArgumentException(SharedResources.SameSeparator, "options");
}
RetryReader retryReader = new RetryReader(reader);
this.parser = new SeparatedValueRecordParser(retryReader, options);
if (hasSchema)
{
if (options.IsFirstRecordSchema)
{
skip(); // skip header record
}
this.schema = schema;
}
else if (options.IsFirstRecordSchema)
{
string[] columnNames = readNextRecord();
this.schema = new SeparatedValueSchema();
foreach (string columnName in columnNames)
{
StringColumn column = new StringColumn(columnName);
this.schema.AddColumn(column);
}
}
}
private SeparatedValueWriter(Stream stream, SeparatedValueSchema schema, SeparatedValueOptions options, bool ownsStream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (schema == null)
{
throw new ArgumentNullException("schema");
}
if (options == null)
{
throw new ArgumentNullException("options");
}
this.writer = new StreamWriter(stream, options.Encoding ?? Encoding.Default);
this.ownsStream = ownsStream;
this.schema = schema;
this.isFirstRecordSchema = options.IsFirstRecordSchema;
this.separator = options.Separator;
this.recordSeparator = options.RecordSeparator;
this.isFirstLine = true;
}
private SeparatedValueWriter(Stream stream, SeparatedValueSchema schema, SeparatedValueOptions options, bool ownsStream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (schema == null)
{
throw new ArgumentNullException("schema");
}
if (options == null)
{
throw new ArgumentNullException("options");
}
this.writer = new StreamWriter(stream, options.Encoding ?? Encoding.Default);
this.ownsStream = ownsStream;
this.schema = schema;
this.isFirstRecordSchema = options.IsFirstRecordSchema;
this.separator = options.Separator;
this.recordSeparator = options.RecordSeparator;
this.isFirstLine = true;
}
public SeparatedValueRecordWriter(TextWriter writer, SeparatedValueSchemaInjector injector, SeparatedValueOptions options)
: this(writer, (SeparatedValueSchema)null, options)
{
this.injector = injector;
}
/// <summary>
/// Initializes a new instance of a SeparatedValueWriter.
/// </summary>
/// <param name="fileName">The name of the file to write to.</param>
/// <param name="schema">The schema to use to build the output.</param>
/// <param name="options">The options to use to format the output.</param>
/// <exception cref="System.ArgumentNullException">The schema is null.</exception>
public SeparatedValueWriter(string fileName, SeparatedValueSchema schema, SeparatedValueOptions options)
: this(File.OpenWrite(fileName), schema, options, true)
{
}
/// <summary>
/// Initializes a new SeparatedValueWriter without a schema.
/// </summary>
/// <param name="writer">A writer over the separated value document.</param>
/// <param name="options">The options used to format the output.</param>
/// <exception cref="ArgumentNullException">The writer is null.</exception>
public SeparatedValueWriter(TextWriter writer, SeparatedValueOptions options = null)
: this(writer, null, options, false)
{
}
/// <summary>
/// Initializes a new instance of a SeparatedValueParser.
/// </summary>
/// <param name="fileName">The path of the file containing the records to extract.</param>
/// <param name="options">The options for configuring the parser's behavior.</param>
/// <exception cref="System.ArgumentNullException">The options object is null.</exception>
public SeparatedValueReader(string fileName, SeparatedValueOptions options)
: this(File.OpenRead(fileName), null, options, false, true)
{
}
/// <summary>
/// Initializes a new instance of a SeparatedValueParser.
/// </summary>
/// <param name="stream">A stream containing the records to parse.</param>
/// <param name="schema">The predefined schema for the records.</param>
/// <param name="options">The options for configuring the parser's behavior.</param>
/// <exception cref="System.ArgumentNullException">The stream is null.</exception>
/// <exception cref="System.ArgumentNullException">The schema is null.</exception>
/// <exception cref="System.ArgumentNullException">The options is null.</exception>
public SeparatedValueReader(Stream stream, SeparatedValueSchema schema, SeparatedValueOptions options)
: this(stream, schema, options, true, false)
{
}
/// <summary>
/// Initializes a new instance of a SeparatedValueWriter.
/// </summary>
/// <param name="stream">The stream to write the output to.</param>
/// <param name="schema">The schema to use to build the output.</param>
/// <param name="options">The options used to format the output.</param>
/// <exception cref="System.ArgumentNullException">The schema is null.</exception>
/// <exception cref="System.ArgumentNullException">The options is null.</exception>
public SeparatedValueWriter(Stream stream, SeparatedValueSchema schema, SeparatedValueOptions options)
: this(stream, schema, options, false)
{
}
/// <summary>
/// Initializes a new SeparatedValueComplexColumn with no schema.
/// </summary>
/// <param name="columnName">The name of the column.</param>
/// <param name="options">The options to use when parsing the embedded data.</param>
public SeparatedValueComplexColumn(string columnName, SeparatedValueOptions options = null)
: this(columnName, null, options, false)
{
}
public SeparatedValueRecordWriter(TextWriter writer, SeparatedValueSchema schema, SeparatedValueOptions options)
{
this.writer = writer;
this.metadata = new SeparatedValueMetadata()
{
Schema = schema,
Options = options.Clone()
};
this.quoteString = String.Empty + options.Quote;
this.doubleQuoteString = String.Empty + options.Quote + options.Quote;
}
/// <summary>
/// Initializes a new instance of a SeparatedValueParser.
/// </summary>
/// <param name="stream">A stream containing the records to parse.</param>
/// <param name="schema">The predefined schema for the records.</param>
/// <param name="options">The options for configuring the parser's behavior.</param>
/// <exception cref="System.ArgumentNullException">The stream is null.</exception>
/// <exception cref="System.ArgumentNullException">The schema is null.</exception>
/// <exception cref="System.ArgumentNullException">The options is null.</exception>
public SeparatedValueReader(Stream stream, SeparatedValueSchema schema, SeparatedValueOptions options)
: this(stream, schema, options, true, false)
{
}
/// <summary>
/// Initializes a new instance of a SeparatedValueParser.
/// </summary>
/// <param name="fileName">The path of the file containing the records to extract.</param>
/// <param name="options">The options for configuring the parser's behavior.</param>
/// <exception cref="System.ArgumentNullException">The options object is null.</exception>
public SeparatedValueReader(string fileName, SeparatedValueOptions options)
: this(File.OpenRead(fileName), null, options, false, true)
{
}
/// <summary>
/// Initializes a new instance of a SeparatedValueWriter.
/// </summary>
/// <param name="fileName">The name of the file to write to.</param>
/// <param name="schema">The schema to use to build the output.</param>
/// <param name="options">The options to use to format the output.</param>
/// <exception cref="System.ArgumentNullException">The schema is null.</exception>
public SeparatedValueWriter(string fileName, SeparatedValueSchema schema, SeparatedValueOptions options)
: this(File.OpenWrite(fileName), schema, options, true)
{
}
/// <summary>
/// Initializes a new SeparatedValueComplexColumn with the given schema and options.
/// </summary>
/// <param name="columnName">The name of the column.</param>
/// <param name="schema">The schema of the data embedded in the column.</param>
/// <param name="options">The options to use when parsing the embedded data.</param>
public SeparatedValueComplexColumn(string columnName, SeparatedValueSchema schema, SeparatedValueOptions options = null)
: this(columnName, schema, options, true)
{
}
/// <summary>
/// Initializes a new instance of a SeparatedValueParser.
/// </summary>
/// <param name="fileName">The path of the file containing the records to extract.</param>
/// <param name="schema">The predefined schema for the records.</param>
/// <param name="options">The options for configuring the parser's behavior.</param>
/// <exception cref="System.ArgumentNullException">The schema is null.</exception>
/// <exception cref="System.ArgumentNullException">The options object is null.</exception>
public SeparatedValueReader(string fileName, SeparatedValueSchema schema, SeparatedValueOptions options)
: this(File.OpenRead(fileName), schema, options, true, true)
{
}
/// <summary>
/// Initializes a new instance of a SeparatedValueParser.
/// </summary>
/// <param name="stream">A stream containing the records to parse.</param>
/// <param name="options">The options for configuring the parser's behavior.</param>
/// <exception cref="System.ArgumentNullException">The stream is null.</exception>
/// <exception cref="System.ArgumentNullException">The options is null.</exception>
public SeparatedValueReader(Stream stream, SeparatedValueOptions options)
: this(stream, null, options, false, false)
{
}
/// <summary>
/// Initializes a new instance of a SeparatedValueParser.
/// </summary>
/// <param name="stream">A stream containing the records to parse.</param>
/// <param name="options">The options for configuring the parser's behavior.</param>
/// <exception cref="System.ArgumentNullException">The stream is null.</exception>
/// <exception cref="System.ArgumentNullException">The options is null.</exception>
public SeparatedValueReader(Stream stream, SeparatedValueOptions options)
: this(stream, null, options, false, false)
{
}
private SeparatedValueReader(Stream stream, SeparatedValueSchema schema, SeparatedValueOptions options, bool hasSchema, bool ownsStream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (hasSchema && schema == null)
{
throw new ArgumentNullException("schema");
}
if (options == null)
{
throw new ArgumentNullException("options");
}
reader = new RecordReader(stream, options.Encoding, options.RecordSeparator, ownsStream);
regex = buildRegex(options.Separator);
if (hasSchema)
{
if (options.IsFirstRecordSchema)
{
readNextRecord(); // skip header record
}
this.schema = schema;
}
else if (options.IsFirstRecordSchema)
{
string[] columnNames = readNextRecord();
this.schema = new SeparatedValueSchema();
foreach (string columnName in columnNames)
{
StringColumn column = new StringColumn(columnName);
this.schema.AddColumn(column);
}
}
}
/// <summary>
/// Initializes a new SeparatedValueWriter with the given schema.
/// </summary>
/// <param name="writer">A writer over the separated value document.</param>
/// <param name="schema">The schema of the separated value document.</param>
/// <param name="options">The options used to format the output.</param>
/// <exception cref="ArgumentNullException">The writer is null.</exception>
/// <exception cref="ArgumentNullException">The schema is null.</exception>
public SeparatedValueWriter(TextWriter writer, SeparatedValueSchema schema, SeparatedValueOptions options = null)
: this(writer, schema, options, true)
{
}
/// <summary>
/// Initializes a new instance of a SeparatedValueParser.
/// </summary>
/// <param name="fileName">The path of the file containing the records to extract.</param>
/// <param name="schema">The predefined schema for the records.</param>
/// <param name="options">The options for configuring the parser's behavior.</param>
/// <exception cref="System.ArgumentNullException">The schema is null.</exception>
/// <exception cref="System.ArgumentNullException">The options object is null.</exception>
public SeparatedValueReader(string fileName, SeparatedValueSchema schema, SeparatedValueOptions options)
: this(File.OpenRead(fileName), schema, options, true, true)
{
}
/// <summary>
/// Initializes a new SeparatedValueReader with no schema.
/// </summary>
/// <param name="reader">A reader over the separated value document.</param>
/// <param name="options">The options controlling how the separated value document is read.</param>
/// <exception cref="ArgumentNullException">The reader is null.</exception>
public SeparatedValueReader(TextReader reader, SeparatedValueOptions options = null)
: this(reader, null, options, false)
{
}
/// <summary>
/// Initializes a new SeparatedValueWriter with the given schema.
/// </summary>
/// <param name="writer">A writer over the separated value document.</param>
/// <param name="schema">The schema of the separated value document.</param>
/// <param name="options">The options used to format the output.</param>
/// <exception cref="ArgumentNullException">The writer is null.</exception>
/// <exception cref="ArgumentNullException">The schema is null.</exception>
public SeparatedValueWriter(TextWriter writer, SeparatedValueSchema schema, SeparatedValueOptions options = null)
: this(writer, schema, options, true)
{
}
/// <summary>
/// Initializes a new SeparatedValueReader with the given schema.
/// </summary>
/// <param name="reader">A reader over the separated value document.</param>
/// <param name="schema">The schema of the separated value document.</param>
/// <param name="options">The options controlling how the separated value document is read.</param>
/// <exception cref="ArgumentNullException">The reader is null.</exception>
/// <exception cref="ArgumentNullException">The schema is null.</exception>
public SeparatedValueReader(TextReader reader, SeparatedValueSchema schema, SeparatedValueOptions options = null)
: this(reader, schema, options, true)
{
}
/// <summary>
/// Initializes a new instance of a SeparatedValueWriter.
/// </summary>
/// <param name="stream">The stream to write the output to.</param>
/// <param name="schema">The schema to use to build the output.</param>
/// <param name="options">The options used to format the output.</param>
/// <exception cref="System.ArgumentNullException">The schema is null.</exception>
/// <exception cref="System.ArgumentNullException">The options is null.</exception>
public SeparatedValueWriter(Stream stream, SeparatedValueSchema schema, SeparatedValueOptions options)
: this(stream, schema, options, false)
{
}
/// <summary>
/// Initializes a new SeparatedValueReader with the given schema.
/// </summary>
/// <param name="reader">A reader over the separated value document.</param>
/// <param name="schemaSelector">The schema selector configured to determine the schema dynamically.</param>
/// <param name="options">The options controlling how the separated value document is read.</param>
/// <exception cref="ArgumentNullException">The reader is null.</exception>
/// <exception cref="ArgumentNullException">The schema selector is null.</exception>
public SeparatedValueReader(TextReader reader, SeparatedValueSchemaSelector schemaSelector, SeparatedValueOptions options = null)
: this(reader, null, options, false)
{
this.schemaSelector = schemaSelector ?? throw new ArgumentNullException(nameof(schemaSelector));
}
/// <summary>
/// Initializes a new SeparatedValueWriter without a schema.
/// </summary>
/// <param name="writer">A writer over the separated value document.</param>
/// <param name="options">The options used to format the output.</param>
/// <exception cref="ArgumentNullException">The writer is null.</exception>
public SeparatedValueWriter(TextWriter writer, SeparatedValueOptions options = null)
: this(writer, null, options, false)
{
}
public SeparatedValueRecordWriter(TextWriter writer, SeparatedValueSchema schema, SeparatedValueOptions options)
{
this.writer = writer;
Metadata = new SeparatedValueRecordContext()
{
ExecutionContext = new SeparatedValueExecutionContext()
{
Schema = schema,
Options = options.Clone()
}
};
quoteString = String.Empty + options.Quote;
doubleQuoteString = String.Empty + options.Quote + options.Quote;
}