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-rw-r--r--src/Test.java2
-rw-r--r--src/argparser/ArgParser.java73
2 files changed, 62 insertions, 13 deletions
diff --git a/src/Test.java b/src/Test.java
index bab6092..27473ab 100644
--- a/src/Test.java
+++ b/src/Test.java
@@ -39,7 +39,7 @@ public class Test
"GNU Affero General Public License for more details.\n" +
"\n" +
"You should have received a copy of the GNU Affero General Public License\n" +
- "along with this library. If not, see <http://www.gnu.org/licenses/>.", null, true);
+ "along with this library. If not, see <http://www.gnu.org/licenses/>.", null, false);
parser.add(new ArgParser.Argumentless(0, "-h", "-?", "--help"), "Prints this help message\n(and exits)");
parser.add(new ArgParser.Argumentless(0, "--hello"), "Prints the text: hello world");
diff --git a/src/argparser/ArgParser.java b/src/argparser/ArgParser.java
index a786f23..a9276dc 100644
--- a/src/argparser/ArgParser.java
+++ b/src/argparser/ArgParser.java
@@ -121,6 +121,7 @@ public class ArgParser
this.usage = usage;
this.longDescription = longDescription;
this.out = useStderr ? System.err : System.out;
+ this.outFile = useStderr ? "/dev/stderr" : "/dev/stdout";
}
@@ -156,6 +157,11 @@ public class ArgParser
private final OutputStream out;
/**
+ * The error output file
+ */
+ private final String outFile;
+
+ /**
* The passed arguments
*/
public String[] arguments = null;
@@ -857,20 +863,63 @@ public class ArgParser
/**
- * Prints a colourful help message
+ * Prints a help message
*/
public void help()
{
+ boolean useColours = false;
+ try
+ { final String file = (new File(this.outFile)).getCanonicalPath();
+ useColours = file.startsWith("/dev/tty") || file.startsWith("/dev/pts/");
+ }
+ catch (final Throwable ignore)
+ { /* ignore */
+ }
+ help(useColours);
+ }
+
+
+ /**
+ * Prints a help message
+ *
+ * @param useColours Whether to print colours, {@code null} is not piped
+ */
+ public void help(final Boolean useColours)
+ {
+ if (useColours == null)
+ help();
+ else
+ help(useColours.booleanValue());
+ }
+
+
+ /**
+ * Prints a help message
+ *
+ * @param useColours Whether to print colours
+ */
+ public void help(final boolean useColours)
+ {
final String dash = this.linuxvt ? "-" : "—";
- this.println("\033[01m" + program + "\033[21m " + dash + " " + this.description + "\n", false);
+ this.println((useColours ? ("\033[01m" + this.program + "\033[21m ") : (this.program + " ")) + dash + " " + this.description + "\n", false);
if (this.longDescription != null)
- this.println(longDescription, false);
+ {
+ String desc = this.longDescription;
+ if (useColours == false)
+ for (int esc; (esc = desc.indexOf('\033')) >= 0;)
+ desc = desc.substring(0, esc) + desc.substring(desc.indexOf('m', esc) + 1);
+ this.println(desc, false);
+ }
this.println(false);
if (this.usage != null)
- { this.print("\033[01mUSAGE:\033[21m");
+ { this.print(useColours ? "\033[01mUSAGE:\033[21m" : "USAGE:");
boolean first = true;
- for (final String line : this.usage.split("\n"))
+ String desc = this.usage;
+ if (useColours == false)
+ for (int esc; (esc = desc.indexOf('\033')) >= 0;)
+ desc = desc.substring(0, esc) + desc.substring(desc.indexOf('m', esc) + 1);
+ for (final String line : desc.split("\n"))
{ if (first)
first = false;
else
@@ -893,7 +942,7 @@ public class ArgParser
empty += empty;
empty = empty.substring(0, maxfirstlen);
- this.println("\033[01mSYNOPSIS:\033[21m", false);
+ this.println(useColours ? "\033[01mSYNOPSIS:\033[21m" : "SYNOPSIS:", false);
final ArrayList<String> lines = new ArrayList<String>();
final ArrayList<int[]> lens = new ArrayList<int[]>();
for (final Option opt : this.options)
@@ -906,14 +955,14 @@ public class ArgParser
first = empty;
else
first += empty.substring(first.length());
- String line = " \033[02m" + first + "\033[22m \0" + last;
+ String line = (useColours ? (" \033[02m" + first + "\033[22m \0") : (" " + first + " \0")) + last;
l += first.length() + 6 + last.length();
if (opt.getClass() == Variadic.class)
- { line += " [\033[04m" + opt.argument + "\033[24m...]";
+ { line += useColours ? (" [\033[04m" + opt.argument + "\033[24m...]") : (" [" + opt.argument + "...]");
l += opt.argument.length() + 6;
}
else if (opt.getClass() == Argumented.class)
- { line += " \033[04m" + opt.argument + "\033[24m";
+ { line += useColours ? (" \033[04m" + opt.argument + "\033[24m") : (" " + opt.argument);
l += opt.argument.length() + 1;
}
lines.add(line);
@@ -936,17 +985,17 @@ public class ArgParser
continue;
boolean first = true;
final String colour = (index & 1) == 0 ? "36" : "34";
- { String line = lines.get(index).replace("\0", "\033[" + colour + ";01m");
+ { String line = lines.get(index).replace("\0", useColours ? ("\033[" + colour + ";01m") : "");
line += empty.substring(lens.get(index)[0]);
this.print(line, false);
}
for (final String line : opt.help.split("\n"))
if (first)
{ first = false;
- this.print(line + "\033[00m\n");
+ this.print(line + (useColours ? "\033[00m\n" : "\n"));
}
else
- this.print(empty + "\033[" + colour + "m" + line + "\033[00m\n");
+ this.print(empty + (useColours ? ("\033[" + colour + "m" + line + "\033[00m\n") : (line + "\n")));
index++;
}