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package bjc.utils.ioutils.format;
import java.io.*;
import java.util.*;
import bjc.esodata.*;
import bjc.utils.ioutils.ReportWriter;
import bjc.utils.ioutils.format.directives.*;
/**
* Represents a compiled format string.
*
* @author Ben Culkin
*/
public class CLString {
private List<Edict> edicts;
/**
* Create a new compiled format string.
*
* @param edts
* The compiled directives that make up the format.
*/
public CLString(List<Edict> edts) {
edicts = edts;
}
/**
* Execute this string with the given parameters.
*
* @param parms
* The format parameters for the string.
*
* @return The result from executing the format string.
*
* @throws IOException
* If something I/O related has gone wrong.
*/
public String format(Object... parms) throws IOException {
StringWriter sw = new StringWriter();
try (ReportWriter rw = new ReportWriter(sw)) {
return format(rw, parms);
}
}
/**
* Execute this string with the given parameters.
*
* @param rw
* The writer to write the string to.
*
* @param itms
* The format parameters to use.
*
* @return The result of executing the string.
*
* @throws IOException
* If something I/O related goes wrong.
*/
public String format(ReportWriter rw, Tape<Object> itms) throws IOException {
FormatContext formCTX = new FormatContext(rw, itms);
return format(formCTX);
}
/**
* Execute this string with the given parameters.
*
* @param rw
* The writer to write the string to.
*
* @param parms
* The format parameters to use.
*
* @return The result of executing the string.
*
* @throws IOException
* If something I/O related goes wrong.
*/
public String format(ReportWriter rw, Object... parms) throws IOException {
Tape<Object> itms = new SingleTape<>(parms);
FormatContext formCTX = new FormatContext(rw, itms);
return format(formCTX);
}
/**
* Execute a format string in a given context.
*
* @param formCTX
* The context to use for formatting.
*
* @return The result of executing the format string.
*
* @throws IOException
* If something I/O related goes wrong.
*/
public String format(FormatContext formCTX) throws IOException {
try {
for (Edict edt : edicts) edt.format(formCTX);
} catch (DirectiveEscape eex) {
// General escape exception, so stop formatting.
}
return formCTX.writer.toString();
}
/**
* Is this format string empty? (does it have 0 edicts?)
*
* @return If this format string is empty.
*/
public boolean isEmpty() {
if (edicts.size() == 0) return true;
else return false;
}
@Override
public String toString() {
return String.format("CLString [edicts=%s]", edicts);
}
}
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