Module beamui.core.linestream
Line stream reader and writer.
Implements class LineStream for reading of unicode text from stream and returning it by lines.
Support utf8, utf16, utf32 be and le encodings, and line endings - according to D language source file specification.
Low resource consuming. Doesn't flood with GC allocations. Dup line if you want to store it somewhere.
Tracks line number.
Synopsis
import std .stdio : writeln, writefln;
string filename = "somefile.d";
writeln("opening file");
auto fstream = new FileInputStream(filename);
scope (exit)
fstream .close();
try
{
auto lines = LineStream .create(fstream, filename);
while (true)
{
dchar[] s = lines .readLine();
if (s is null)
break;
writefln("line %s: %s", lines .line, s);
}
if (lines .errorCode != 0)
{
writefln("Error(%s,%s) %s: %s", lines .errorLine, lines .errorPos, lines .errorCode, lines .errorMessage);
}
else
{
writeln("EOF reached");
}
}
catch (Exception e)
{
writeln("Exception " ~ e .toString);
}
Import line
import beamui .core .linestream;
Classes
Name | Description |
---|---|
LineStream
|
Support reading of file (or string in memory) by lines. |
OutputLineStream
|
Text file writer which supports different text file formats |
Structs
Name | Description |
---|---|
TextFileFormat
|
Text file format |
Enums
Name | Description |
---|---|
EncodingType
|
File encoding |
LineEnding
|
Line ending style |