2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
21 package jalview.bin.argparser;
24 import java.io.IOException;
25 import java.nio.file.Files;
26 import java.nio.file.Paths;
27 import java.util.ArrayList;
28 import java.util.Arrays;
29 import java.util.EnumSet;
30 import java.util.HashMap;
31 import java.util.List;
32 import java.util.Locale;
35 import jalview.bin.Console;
36 import jalview.bin.Jalview;
37 import jalview.bin.argparser.Arg.Opt;
38 import jalview.util.FileUtils;
40 public class ArgParser
42 protected static final String DOUBLEDASH = "--";
44 protected static final String NEGATESTRING = "no";
46 // the default linked id prefix used for no id (not even square braces)
47 protected static final String DEFAULTLINKEDIDPREFIX = "JALVIEW:";
49 // the counter added to the default linked id prefix
50 private int defaultLinkedIdCounter = 0;
52 // the linked id prefix used for --opennew files
53 protected static final String OPENNEWLINKEDIDPREFIX = "OPENNEW:";
55 // the counter added to the default linked id prefix
56 private int opennewLinkedIdCounter = 0;
58 // the linked id used to increment the idCounter (and use the incremented
60 private static final String INCREMENTAUTOCOUNTERLINKEDID = "{++n}";
62 // the linked id used to use the idCounter
63 private static final String AUTOCOUNTERLINKEDID = "{n}";
65 private int idCounter = 0;
67 // flag to say whether {n} subtitutions in output filenames should be made.
68 // Turn on and off with --subs and --nosubs
69 private boolean substitutions = false;
71 protected static final Map<String, Arg> argMap;
73 protected Map<String, ArgValuesMap> linkedArgs = new HashMap<>();
75 protected List<String> linkedOrder = null;
77 protected List<Arg> argList;
81 argMap = new HashMap<>();
82 for (Arg a : EnumSet.allOf(Arg.class))
84 for (String argName : a.getNames())
86 if (argMap.containsKey(argName))
88 Console.warn("Trying to add argument name multiple times: '"
89 + argName + "'"); // RESTORE THIS WHEN MERGED
90 if (argMap.get(argName) != a)
93 "Trying to add argument name multiple times for different Args: '"
94 + argMap.get(argName).getName() + ":" + argName
95 + "' and '" + a.getName() + ":" + argName
100 argMap.put(argName, a);
105 public ArgParser(String[] args)
107 // Make a mutable new ArrayList so that shell globbing parser works.
108 // (When shell file globbing is used, there are a sequence of non-Arg
109 // arguments (which are the expanded globbed filenames) that need to be
110 // consumed by the --open/--argfile/etc Arg which is most easily done by
111 // removing these filenames from the list one at a time. This can't be done
112 // with an ArrayList made with only Arrays.asList(String[] args). )
113 this(new ArrayList<>(Arrays.asList(args)));
116 public ArgParser(List<String> args)
121 private void parse(List<String> args)
124 boolean openEachInitialFilenames = true;
125 for (int i = 0; i < args.size(); i++)
127 String arg = args.get(i);
129 Console.debug("##### Looking at arg '" + arg + "'");
131 // If the first arguments do not start with "--" or "-" or is "open" and
132 // is a filename that exists it is probably a file/list of files to open
133 // so we fake an Arg.OPEN argument and when adding files only add the
134 // single arg[i] and increment the defaultLinkedIdCounter so that each of
135 // these files is opened separately.
136 if (openEachInitialFilenames && !arg.startsWith(DOUBLEDASH)
137 && !arg.startsWith("-") && new File(arg).exists())
139 arg = DOUBLEDASH + Arg.OPENNEW.getName();
143 openEachInitialFilenames = false;
146 String argName = null;
148 List<String> vals = null; // for Opt.GLOB only
149 String linkedId = null;
150 if (arg.startsWith(DOUBLEDASH))
152 int equalPos = arg.indexOf('=');
155 argName = arg.substring(DOUBLEDASH.length(), equalPos);
156 val = arg.substring(equalPos + 1);
160 argName = arg.substring(DOUBLEDASH.length());
162 int idOpen = argName.indexOf('[');
163 int idClose = argName.indexOf(']');
165 if (idOpen > -1 && idClose == argName.length() - 1)
167 linkedId = argName.substring(idOpen + 1, idClose);
168 argName = argName.substring(0, idOpen);
171 Arg a = argMap.get(argName);
172 // check for boolean prepended by "no"
173 boolean negated = false;
174 if (a == null && argName.startsWith(NEGATESTRING) && argMap
175 .containsKey(argName.substring(NEGATESTRING.length())))
177 argName = argName.substring(NEGATESTRING.length());
178 a = argMap.get(argName);
182 // check for config errors
186 Console.error("Argument '" + arg + "' not recognised. Ignoring.");
189 if (!a.hasOption(Opt.BOOLEAN) && negated)
191 // used "no" with a non-boolean option
192 Console.error("Argument '--" + NEGATESTRING + argName
193 + "' not a boolean option. Ignoring.");
196 if (!a.hasOption(Opt.STRING) && equalPos > -1)
198 // set --argname=value when arg does not accept values
199 Console.error("Argument '--" + argName
200 + "' does not expect a value (given as '" + arg
204 if (!a.hasOption(Opt.LINKED) && linkedId != null)
206 // set --argname[linkedId] when arg does not use linkedIds
207 Console.error("Argument '--" + argName
208 + "' does not expect a linked id (given as '" + arg
213 if (a.hasOption(Opt.STRING) && equalPos == -1)
215 // take next arg as value if required, and '=' was not found
216 // if (!argE.hasMoreElements())
217 if (i + 1 >= args.size())
219 // no value to take for arg, which wants a value
220 Console.error("Argument '" + a.getName()
221 + "' requires a value, none given. Ignoring.");
224 // deal with bash globs here (--arg val* is expanded before reaching
225 // the JVM). Note that SubVals cannot be used in this case.
226 // If using the --arg=val then the glob is preserved and Java globs
227 // will be used later. SubVals can be used.
228 if (a.hasOption(Opt.GLOB))
230 // if this is the first argument with a file list at the start of
231 // the args we add filenames from index i instead of i+1
232 vals = getShellGlobbedFilenameValues(a, args,
233 openEachInitialFilenames ? i : i + 1);
237 val = args.get(i + 1);
241 // make NOACTION adjustments
242 // default and auto counter increments
243 if (a == Arg.INCREMENT)
245 defaultLinkedIdCounter++;
247 else if (a == Arg.NPP)
251 else if (a == Arg.SUBSTITUTIONS)
253 substitutions = !negated;
256 String autoCounterString = null;
257 boolean usingAutoCounterLinkedId = false;
258 String defaultLinkedId = new StringBuilder(DEFAULTLINKEDIDPREFIX)
259 .append(Integer.toString(defaultLinkedIdCounter))
261 boolean usingDefaultLinkedId = false;
262 if (a == Arg.OPENNEW)
264 linkedId = new StringBuilder(OPENNEWLINKEDIDPREFIX)
265 .append(Integer.toString(opennewLinkedIdCounter))
267 opennewLinkedIdCounter++;
269 else if (a.hasOption(Opt.LINKED))
271 if (linkedId == null)
273 // use default linkedId for linked arguments
274 linkedId = defaultLinkedId;
275 usingDefaultLinkedId = true;
277 "Changing linkedId to '" + linkedId + "' from " + arg);
279 else if (linkedId.equals(AUTOCOUNTERLINKEDID))
281 // turn {n} to the autoCounter
282 autoCounterString = Integer.toString(idCounter);
283 linkedId = autoCounterString;
284 usingAutoCounterLinkedId = true;
286 "Changing linkedId to '" + linkedId + "' from " + arg);
288 else if (linkedId.equals(INCREMENTAUTOCOUNTERLINKEDID))
290 // turn {++n} to the incremented autoCounter
291 autoCounterString = Integer.toString(++idCounter);
292 linkedId = autoCounterString;
293 usingAutoCounterLinkedId = true;
295 "Changing linkedId to '" + linkedId + "' from " + arg);
299 if (!linkedArgs.containsKey(linkedId))
300 linkedArgs.put(linkedId, new ArgValuesMap());
302 // do not continue for NOACTION args
303 if (a.hasOption(Opt.NOACTION))
306 ArgValuesMap avm = linkedArgs.get(linkedId);
308 // not dealing with both NODUPLICATEVALUES and GLOB
309 if (a.hasOption(Opt.NODUPLICATEVALUES) && avm.hasValue(a, val))
311 Console.error("Argument '--" + argName
312 + "' cannot contain a duplicate value ('" + val
313 + "'). Ignoring this and subsequent occurrences.");
317 // check for unique id
318 SubVals sv = ArgParser.getSubVals(val);
319 String id = sv.get(ArgValues.ID);
320 if (id != null && avm.hasId(a, id))
322 Console.error("Argument '--" + argName + "' has a duplicate id ('"
323 + id + "'). Ignoring.");
327 boolean argIndexIncremented = false;
328 ArgValues avs = avm.getOrCreateArgValues(a);
330 // store appropriate value
331 if (a.hasOption(Opt.STRING))
333 if (a.hasOption(Opt.GLOB) && vals != null && vals.size() > 0)
335 for (String v : vals)
337 avs.addValue(makeSubstitutions(v), argIndex++);
338 argIndexIncremented = true;
343 avs.addValue(makeSubstitutions(val), argIndex);
346 else if (a.hasOption(Opt.BOOLEAN))
348 avs.setBoolean(!negated, argIndex);
349 avs.setNegated(negated);
351 else if (a.hasOption(Opt.UNARY))
353 avs.setBoolean(true, argIndex);
355 avs.incrementCount();
356 if (!argIndexIncremented)
359 // store in appropriate place
360 if (a.hasOption(Opt.LINKED))
362 // store the order of linkedIds
363 if (linkedOrder == null)
364 linkedOrder = new ArrayList<>();
365 if (!linkedOrder.contains(linkedId))
366 linkedOrder.add(linkedId);
369 // store arg in the list of args used
371 argList = new ArrayList<>();
372 if (!argList.contains(a))
378 private String makeSubstitutions(String val)
380 if (!this.substitutions)
385 if (val.indexOf('[') == 0 && val.indexOf(']') > 1)
387 int closeBracket = val.indexOf(']');
388 if (val.length() == closeBracket)
390 subvals = val.substring(0, closeBracket + 1);
391 rest = val.substring(closeBracket + 1);
398 rest.replace(AUTOCOUNTERLINKEDID, String.valueOf(idCounter));
399 rest.replace(INCREMENTAUTOCOUNTERLINKEDID, String.valueOf(++idCounter));
400 rest.replace("{}", String.valueOf(defaultLinkedIdCounter));
402 return new StringBuilder(subvals).append(rest).toString();
406 * A helper method to take a list of String args where we're expecting
407 * {"--previousargs", "--arg", "file1", "file2", "file3", "--otheroptionsornot"}
408 * and the index of the globbed arg, here 1. It returns a
409 * List<String> {"file1", "file2", "file3"}
410 * *and remove these from the original list object* so that processing
411 * can continue from where it has left off, e.g. args has become
412 * {"--previousargs", "--arg", "--otheroptionsornot"}
413 * so the next increment carries on from the next --arg if available.
415 protected static List<String> getShellGlobbedFilenameValues(Arg a,
416 List<String> args, int i)
418 List<String> vals = new ArrayList<>();
419 while (i < args.size() && !args.get(i).startsWith(DOUBLEDASH))
421 vals.add(args.remove(i));
422 if (!a.hasOption(Opt.GLOB))
428 public boolean isSet(Arg a)
430 return a.hasOption(Opt.LINKED) ? isSet("", a) : isSet(null, a);
433 public boolean isSet(String linkedId, Arg a)
435 ArgValuesMap avm = linkedArgs.get(linkedId);
436 return avm == null ? false : avm.containsArg(a);
439 public boolean getBool(Arg a)
441 if (!a.hasOption(Opt.BOOLEAN) && !a.hasOption(Opt.UNARY))
443 Console.warn("Getting boolean from non boolean Arg '" + a.getName()
446 return a.hasOption(Opt.LINKED) ? getBool("", a) : getBool(null, a);
449 public boolean getBool(String linkedId, Arg a)
451 ArgValuesMap avm = linkedArgs.get(linkedId);
453 return a.getDefaultBoolValue();
454 ArgValues avs = avm.getArgValues(a);
455 return avs == null ? a.getDefaultBoolValue() : avs.getBoolean();
458 public List<String> linkedIds()
463 public ArgValuesMap linkedArgs(String id)
465 return linkedArgs.get(id);
469 public String toString()
471 StringBuilder sb = new StringBuilder();
472 sb.append("UNLINKED\n");
473 sb.append(argValuesMapToString(linkedArgs.get(null)));
474 if (linkedIds() != null)
476 sb.append("LINKED\n");
477 for (String id : linkedIds())
479 // already listed these as UNLINKED args
483 ArgValuesMap avm = linkedArgs(id);
484 sb.append("ID: '").append(id).append("'\n");
485 sb.append(argValuesMapToString(avm));
488 return sb.toString();
491 private static String argValuesMapToString(ArgValuesMap avm)
495 StringBuilder sb = new StringBuilder();
496 for (Arg a : avm.getArgKeys())
498 ArgValues v = avm.getArgValues(a);
499 sb.append(v.toString());
502 return sb.toString();
505 public static SubVals getSubVals(String item)
507 return new SubVals(item);
510 public static ArgParser parseArgFiles(List<String> argFilenameGlobs)
512 List<File> argFiles = new ArrayList<>();
514 for (String pattern : argFilenameGlobs)
516 // I don't think we want to dedup files, making life easier
517 argFiles.addAll(FileUtils.getFilesFromGlob(pattern));
520 return parseArgFileList(argFiles);
523 public static ArgParser parseArgFileList(List<File> argFiles)
525 List<String> argsList = new ArrayList<>();
526 for (File argFile : argFiles)
528 if (!argFile.exists())
530 String message = DOUBLEDASH
531 + Arg.ARGFILE.name().toLowerCase(Locale.ROOT) + "=\""
532 + argFile.getPath() + "\": File does not exist.";
533 Jalview.exit(message, 2);
537 argsList.addAll(Files.readAllLines(Paths.get(argFile.getPath())));
538 } catch (IOException e)
540 String message = DOUBLEDASH
541 + Arg.ARGFILE.name().toLowerCase(Locale.ROOT) + "=\""
542 + argFile.getPath() + "\": File could not be read.";
543 Jalview.exit(message, 3);
546 return new ArgParser(argsList);