// pnyx -e=documentation pncs.cmd.examples.documentation.library.ExampleProcessorChain processorChain
public static void processorChain()
{
StreamInformation streamInformation = new StreamInformation(new Settings());
// Writes to STDOUT
ILineProcessor dest = new LineProcessorToStream(streamInformation, Console.OpenStandardOutput());
// Grep filter / processor pair
ILineFilter grepFilter = new Grep {
textToFind = "world", caseSensitive = false
};
ILineProcessor grepProcessor = new LineFilterProcessor {
filter = grepFilter, processor = dest
};
// Sed transformer / processor pair
ILineTransformer sedTransformer = new SedReplace("World", "World, with love from Pnyx..", null);
ILineProcessor sedProcessor = new LineTransformerProcessor {
transform = sedTransformer, processor = grepProcessor
};
// Reads from source
using (StringStreamFactory streamFactory = new StringStreamFactory("Hello World."))
{
using (StreamToLineProcessor source = new StreamToLineProcessor(streamInformation, streamFactory))
{
source.setNextLineProcessor(sedProcessor);
// Runs
source.process(); // All I/O occurs on this step
}
}
// outputs: Hello World, with love from Pnyx...
}
// https://github.com/ericraider33/pnyx.net/issues/1
public void bug1()
{
SedReplace replace = new SedReplace("set[ ]*", "_", "");
Assert.Equal("y _x", replace.transformLine("y set x"));
Assert.Equal("_x", replace.transformLine("set x"));
replace = new SedReplace("set[ ]*", "_", "i");
Assert.Equal("y _x", replace.transformLine("y set x"));
Assert.Equal("_x", replace.transformLine("set x"));
}
public void basic()
{
SedReplace replace = new SedReplace("eoe", "XXX", "g");
Assert.Equal("my text XXX is here", replace.transformLine("my text eoe is here"));
Assert.Equal("my XXX XXX XXX", replace.transformLine("my eoe eoe eoe"));
Assert.Equal("XXXXXXXXX", replace.transformLine("eoeeoeeoe"));
replace = new SedReplace("eoe", "XXX", null); // same as "1"
Assert.Equal("my text XXX is here", replace.transformLine("my text eoe is here"));
Assert.Equal("my XXX eoe eoe", replace.transformLine("my eoe eoe eoe"));
Assert.Equal("XXXeoeeoe", replace.transformLine("eoeeoeeoe"));
replace = new SedReplace("eoe", "XXX", "2");
Assert.Equal("my text eoe is here", replace.transformLine("my text eoe is here"));
Assert.Equal("my eoe XXX eoe", replace.transformLine("my eoe eoe eoe"));
Assert.Equal("eoeXXXeoe", replace.transformLine("eoeeoeeoe"));
replace = new SedReplace("eoe", "XXX", "g2");
Assert.Equal("my text eoe is here", replace.transformLine("my text eoe is here"));
Assert.Equal("my eoe XXX XXX", replace.transformLine("my eoe eoe eoe"));
Assert.Equal("eoeXXXXXX", replace.transformLine("eoeeoeeoe"));
}
private void verify(String pattern, String replacement, String flags, String source, String expected)
{
SedReplace replace = new SedReplace(pattern, replacement, flags);
Assert.Equal(expected, replace.transformLine(source));
}