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ProblemFactory.java
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67 lines (52 loc) · 1.65 KB
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package processing.mode.java;
import java.util.List;
import java.util.OptionalInt;
import java.util.stream.IntStream;
import processing.app.Problem;
import processing.app.ui.Editor;
import processing.mode.java.preproc.PdePreprocessIssue;
/**
* Factory which helps create {Problem}s during preprocessing.
*/
public class ProblemFactory {
/**
* Create a new {Problem}.
*
* @param pdePreprocessIssue The preprocess issue found.
* @param tabStarts The list of line numbers on which each tab starts.
* @return Newly created problem.
*/
public static Problem build(PdePreprocessIssue pdePreprocessIssue, List<Integer> tabStarts) {
int line = pdePreprocessIssue.getLine();
TabLine tabLine = getTab(tabStarts, line);
int tab = tabLine.getTab();
int localLine = tabLine.getLineInTab();
int col = pdePreprocessIssue.getCharPositionInLine();
String message = pdePreprocessIssue.getMsg();
if (col == 0) {
col = 1;
}
return new SyntaxProblem(
tab,
localLine,
message,
0,
col
);
}
/**
* Get the local tab and line number for a global line.
*
* @param tabStarts The lines on which each tab starts.
* @param line The global line to locate as a local line.
* @return The local tab number and local line number.
*/
protected static TabLine getTab(List<Integer> tabStarts, int line) {
OptionalInt tabMaybe = IntStream.range(0, tabStarts.size())
.filter((index) -> line >= tabStarts.get(index))
.max();
int tab = tabMaybe.orElse(0);
int localLine = line - tabStarts.get(tab);
return new TabLine(tab, line, localLine);
}
}