public void Execute(TextWriter outputStream, TextWriter logStream, GqlEngineState gqlEngineState)
{
GqlQueryState gqlQueryState = new GqlQueryState (gqlEngineState);
IntoProvider.DumpProviderToStream (gqlQuery, outputStream, gqlQueryState, gqlEngineState.ColumnDelimiter, gqlEngineState.Heading,
gqlEngineState.AutoSize, FileOptionsIntoClause.FormatEnum.DontCare, cultureInfo);
}
public void Initialize(GqlQueryState gqlQueryState)
{
endOfQuery = false;
record = new ProviderRecord (this, true);
record.Source = "(nullProvider)";
record.LineNo = 0;
}
public override void OnInitialize(GqlQueryState gqlQueryState, out string[] files, out long skip)
{
string fileName = fileOptions.FileName.EvaluateAsData (gqlQueryState).ToDataString (dataComparer.CultureInfo);
string path = Path.GetDirectoryName (fileName);
string searchPattern = Path.GetFileName (fileName);
SearchOption searchOption;
if (fileOptions.Recurse)
searchOption = SearchOption.AllDirectories;
else
searchOption = SearchOption.TopDirectoryOnly;
path = Path.Combine (gqlQueryState.CurrentDirectory, path);
files = Directory.GetFiles (path + Path.DirectorySeparatorChar, searchPattern, searchOption);
if (fileOptions.FileOrder == FileOptionsFromClause.FileOrderEnum.Asc
|| fileOptions.FileOrder == FileOptionsFromClause.FileOrderEnum.FileNameAsc)
files = files.Select (p => new FileInfo (p)).OrderBy (p => p.Name, dataComparer.StringComparer).Select (p => p.FullName).ToArray ();
else if (fileOptions.FileOrder == FileOptionsFromClause.FileOrderEnum.Desc
|| fileOptions.FileOrder == FileOptionsFromClause.FileOrderEnum.FileNameDesc)
files = files.Select (p => new FileInfo (p)).OrderByDescending (p => p.Name, dataComparer.StringComparer).Select (p => p.FullName).ToArray ();
else if (fileOptions.FileOrder == FileOptionsFromClause.FileOrderEnum.ModificationTimeAsc)
files = files.Select (p => new FileInfo (p)).OrderBy (p => p.LastWriteTime).Select (p => p.FullName).ToArray ();
else if (fileOptions.FileOrder == FileOptionsFromClause.FileOrderEnum.ModificationTimeDesc)
files = files.Select (p => new FileInfo (p)).OrderByDescending (p => p.LastWriteTime).Select (p => p.FullName).ToArray ();
skip = fileOptions.Skip;
}
public void Initialize(GqlQueryState gqlQueryState)
{
this.gqlQueryState = gqlQueryState;
currentProvider = 0;
totalLineNo = 0;
providers [0].Initialize (gqlQueryState);
}
public IData EvaluateAsData(GqlQueryState gqlQueryState)
{
Variable variable;
if (!gqlQueryState.Variables.TryGetValue (this.variable, out variable))
throw new InvalidOperationException (string.Format ("Variable '{0}' not declared", this.variable));
return variable.Value;
}
public GqlQueryState(GqlQueryState other, bool newVariableScope)
: this()
{
this.CurrentDirectory = other.CurrentDirectory;
this.TempDirectory = other.TempDirectory;
this.CurrentExecutionState = other.CurrentExecutionState;
if (newVariableScope)
this.Variables = new Dictionary<string, Variable> (other.Variables);
else
this.Variables = other.Variables;
this.Warnings = other.Warnings;
}
public void Initialize(GqlQueryState gqlQueryState)
{
provider.Initialize (gqlQueryState);
if (heading == GqlEngineState.HeadingEnum.On || heading == GqlEngineState.HeadingEnum.OnWithRule) {
if (!provider.GetNextRecord ())
return;
columnNameList = provider.Record.Columns.Select (p => new ColumnName (p.ToString ())).ToArray ();
if (heading == GqlEngineState.HeadingEnum.OnWithRule) {
provider.GetNextRecord ();
}
}
}
public void Initialize(GqlQueryState gqlQueryState)
{
OnInitialize (gqlQueryState, out files, out skip);
if (files.Length == 0) {
gqlQueryState.Warnings.Add (
new Exception ("No input files are matching")
);
}
this.gqlQueryState = gqlQueryState;
currentFile = -1;
totalLineNo = 0;
provider = null;
}
public override void OnInitialize(GqlQueryState gqlQueryState, out string[] files, out long skip)
{
fileSubqueryProvider.Initialize (gqlQueryState);
try {
List<string> fileList = new List<string> ();
while (fileSubqueryProvider.GetNextRecord ()) {
fileList.Add (fileSubqueryProvider.Record.Columns [0].ToDataString (cultureInfo));
}
files = fileList.ToArray ();
} finally {
fileSubqueryProvider.Uninitialize ();
}
skip = 0;
}
public void Initialize(GqlQueryState gqlQueryState)
{
this.gqlQueryState = new GqlQueryState (gqlQueryState, true);
for (int i = 0; i < parameters.Length; i++) {
IData result = parameters [i].EvaluateAsData (gqlQueryState);
Variable variable = new Variable ();
variable.Name = parameterNames [i];
variable.Type = result.GetType ();
variable.Value = result;
this.gqlQueryState.Variables [variable.Name] = variable;
}
provider.Initialize (this.gqlQueryState);
}
public IData EvaluateAsData(GqlQueryState gqlQueryState)
{
GqlQueryState gqlQueryState2 = new GqlQueryState (gqlQueryState);
try {
provider.Initialize (gqlQueryState2);
if (!provider.GetNextRecord ()) {
Type type = GetResultType ();
return DataTypeUtil.GetDefaultFromDataType(GetResultType());
}
if (provider.Record.Columns.Length != 1)
throw new InvalidOperationException ("Expression subquery didn't return exactly 1 column");
return provider.Record.Columns [0];
} finally {
provider.Uninitialize ();
}
}
public static void DumpProviderToStream(IProvider provider, Stream outputStream, GqlQueryState gqlQueryState,
string columnDelimiter, string recordDelimiter, GqlEngineState.HeadingEnum heading,
FileOptionsIntoClause.FormatEnum format,
CultureInfo cultureInfo)
{
using (TextWriter writer = new StreamWriter (outputStream, System.Text.Encoding.GetEncoding (0))) {
writer.NewLine = recordDelimiter;
DumpProviderToStream (
provider,
writer,
gqlQueryState,
columnDelimiter,
heading,
0,
format,
cultureInfo
);
}
}
public void Process(StateBin state, GqlQueryState gqlQueryState)
{
throw new Exception (string.Format ("Aggregation not supported on expression {0}", this.GetType ().ToString ()));
}
public void Initialize(GqlQueryState gqlQueryState)
{
provider.Initialize (gqlQueryState);
}
public void Initialize(GqlQueryState gqlQueryState)
{
provider.Initialize (gqlQueryState);
ColumnsComparer<ColumnsComparerKey > columnsComparer = new ColumnsComparer<ColumnsComparerKey> (provider.GetColumnTypes (), dataComparer);
recordList = new SortedSet<ColumnsComparerKey> (columnsComparer);
}
public void Initialize(GqlQueryState gqlQueryState)
{
string fileName = fileOptions.FileName.Evaluate (gqlQueryState);
string path = Path.GetDirectoryName (fileName);
string searchPattern = Path.GetFileName (fileName);
SearchOption searchOption;
if (fileOptions.Recurse)
searchOption = SearchOption.AllDirectories;
else
searchOption = SearchOption.TopDirectoryOnly;
path = Path.Combine (gqlQueryState.CurrentDirectory, path);
files = Directory.GetFiles (path + Path.DirectorySeparatorChar, searchPattern, searchOption);
if (fileOptions.FileOrder == FileOptionsFromClause.FileOrderEnum.Asc
|| fileOptions.FileOrder == FileOptionsFromClause.FileOrderEnum.FileNameAsc)
files = files.Select (p => new FileInfo (p)).OrderBy (p => p.Name, stringComparer).Select (p => p.FullName).ToArray ();
else if (fileOptions.FileOrder == FileOptionsFromClause.FileOrderEnum.Desc
|| fileOptions.FileOrder == FileOptionsFromClause.FileOrderEnum.FileNameDesc)
files = files.Select (p => new FileInfo (p)).OrderByDescending (p => p.Name, stringComparer).Select (p => p.FullName).ToArray ();
else if (fileOptions.FileOrder == FileOptionsFromClause.FileOrderEnum.ModificationTimeAsc)
files = files.Select (p => new FileInfo (p)).OrderBy (p => p.LastWriteTime).Select (p => p.FullName).ToArray ();
else if (fileOptions.FileOrder == FileOptionsFromClause.FileOrderEnum.ModificationTimeDesc)
files = files.Select (p => new FileInfo (p)).OrderByDescending (p => p.LastWriteTime).Select (p => p.FullName).ToArray ();
record = new ProviderRecord (this, true);
record.LineNo = 0;
record.TotalLineNo = 0;
record.Source = "DirectoryProvider";
}
public void Uninitialize()
{
if (provider != null) {
provider.Uninitialize ();
provider = null;
}
files = null;
gqlQueryState = null;
OnUninitialize ();
}
public void Initialize(GqlQueryState gqlQueryState)
{
provider.Initialize (gqlQueryState);
linesToGo = topValueExpression.Evaluate (gqlQueryState);
}
public abstract void OnInitialize(GqlQueryState gqlQueryState, out string[] files, out long skip);
private IExpression GetResultExpression(GqlQueryState gqlQueryState)
{
foreach (WhenItem whenItem in whenItems) {
if (whenItem.Check.Evaluate (gqlQueryState)) {
return whenItem.Result;
}
}
return elseResult;
}
public IData EvaluateAsData(GqlQueryState gqlQueryState)
{
return GetResultExpression (gqlQueryState).EvaluateAsData (gqlQueryState);
}
public GqlQueryState(GqlQueryState other)
: this(other, false)
{
}
public void Initialize(GqlQueryState gqlQueryState)
{
this.gqlQueryState = gqlQueryState;
record = null;
}
public static void DumpProviderToStream(IProvider provider, TextWriter outputWriter, GqlQueryState gqlQueryState,
string columnDelimiter, GqlEngineState.HeadingEnum heading, int autoSize,
FileOptionsIntoClause.FormatEnum format,
CultureInfo cultureInfo)
{
try {
provider.Initialize (gqlQueryState);
List<string[]> list = new List<string[]> ();
if (heading != GqlEngineState.HeadingEnum.Off) {
ColumnName[] columnTitles = provider.GetColumnNames ();
if (columnTitles.Length > 0) {
string[] columnTitleStrings = columnTitles.Select (p => p.ToStringWithoutBrackets ()).ToArray ();
list.Add (columnTitleStrings);
if (heading == GqlEngineState.HeadingEnum.OnWithRule) {
string[] columnTitlesRule = new string[columnTitles.Length];
for (int i = 0; i < columnTitles.Length; i++)
columnTitlesRule [i] = new string ('=', columnTitleStrings [i].ToString ().Length);
list.Add (columnTitlesRule);
}
}
}
for (int record = 0; (autoSize == -1 || record < autoSize); record++) {
try {
if (!provider.GetNextRecord ())
break;
} catch (WarningException x) {
gqlQueryState.Warnings.Add (new LineIgnoredException (x));
record--;
continue;
}
list.Add (provider.Record.Columns.Select (p => p.ToString ()).ToArray ());
}
FormatColumnsFunction formatColumnListFunction;
if (autoSize == 0) {
if (format == FileOptionsIntoClause.FormatEnum.Csv)
formatColumnListFunction = new FormatCsvFunction (columnDelimiter);
else
formatColumnListFunction = new FormatColumnListFunction (columnDelimiter);
} else {
int[] max = new int[list [0].Length];
foreach (string[] item in list) {
for (int col = 0; col < max.Length; col++)
max [col] = Math.Max (item [col].Length, max [col]);
}
Type[] types = provider.GetColumnTypes ();
for (int col = 0; col < max.Length; col++)
if (types [col] != typeof(DataString))
max [col] = -max [col];
formatColumnListFunction = new FormatColumnListFunction (columnDelimiter, max);
}
foreach (var item in list) {
outputWriter.WriteLine (formatColumnListFunction.Evaluate (item));
}
do {
try {
if (!provider.GetNextRecord ())
break;
outputWriter.WriteLine (formatColumnListFunction.Evaluate (provider.Record.Columns.Select (p => p.ToDataString (cultureInfo).Value)));
} catch (WarningException x) {
gqlQueryState.Warnings.Add (new LineIgnoredException (x));
}
} while (true);
} finally {
provider.Uninitialize ();
}
}
public void Uninitialize()
{
provider.Uninitialize ();
data = null;
record = null;
gqlQueryState = null;
}
public void Initialize(GqlQueryState gqlQueryState)
{
record = new ProviderRecord (this, true);
record.LineNo = 1;
this.gqlQueryState = gqlQueryState;
}
public void Initialize(GqlQueryState gqlQueryState)
{
regex = new Regex (regexDefinition, caseInsensitive ? RegexOptions.IgnoreCase : RegexOptions.None);
string[] groups = regex.GetGroupNames ();
columnNameList = groups.Skip (1).Select (p => new ColumnName (p)).ToArray ();
for (int i = 0; i < columnNameList.Length; i++)
if (groups [i + 1] == (i + 1).ToString ())
columnNameList [i] = new ColumnName (i);
else
columnNameList [i] = new ColumnName (groups [i + 1]);
provider.Initialize (gqlQueryState);
record = new ProviderRecord (this, true);
dataStrings = new DataString[columnNameList.Length];
for (int i = 0; i < dataStrings.Length; i++) {
dataStrings [i] = new DataString ();
record.Columns [i] = dataStrings [i];
}
}
public void Process(StateBin state, GqlQueryState gqlQueryState)
{
throw new NotSupportedException ("Aggregation with case expression not supported");
//GetResultExpression(gqlQueryState).Aggregate(state, gqlQueryState);
}
public void Initialize(GqlQueryState gqlQueryState)
{
provider.Initialize(gqlQueryState);
this.gqlQueryState = gqlQueryState;
data = new StateBin[outputColumns.Length];
record = new ProviderRecord(this, true);
}
public void Initialize(GqlQueryState gqlQueryState)
{
this.gqlQueryState = gqlQueryState;
gqlEngineExecutionState = gqlQueryState.CurrentExecutionState;
string fileName;
if (this.fileName.StartsWith ("#")) {
fileName = Path.Combine (gqlQueryState.TempDirectory, this.fileName);
} else {
fileName = Path.Combine (gqlQueryState.CurrentDirectory, this.fileName);
}
streamReader = new StreamReader (new AsyncStreamReader (new FileStream (fileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, 32 * 1024), 32 * 1024));
record = new ProviderRecord (this, true);
record.Source = fileName;
dataString = new DataString ();
record.Columns [0] = dataString;
for (long i = 0; i < skip; i++) {
if (streamReader.ReadLine () == null) {
streamReader.Close ();
streamReader = null;
return;
}
}
}
