1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924
|
//
// This application parses a photo and compares the output to the output of exiv2.
//
// It can be used to make test fixtures. Manual validation is always required.
//
// You need the exiv2 app for this to work.
//
using GLib;
using System;
using System.Text;
using System.Collections.Generic;
using System.Security.Cryptography;
using TagLib;
using TagLib.IFD;
using TagLib.IFD.Tags;
using TagLib.Xmp;
public class GenerateTestFixtureApp
{
private static MD5 md5 = MD5.Create ();
public static void Main (string [] args)
{
if(args.Length != 2) {
Console.Error.WriteLine ("USAGE: mono GenerateTestFixture.exe NAME PATH");
return;
}
string name = args[0];
string path = args[1];
EmitHeader (name, path);
GenerateIFDFixture (name, path);
GenerateXMPFixture (name, path);
EmitFooter ();
}
static Dictionary<string, int> sub_ifds = new Dictionary<string, int> ();
static Dictionary<string, bool> sub_ifds_emitted = new Dictionary<string, bool> ();
static void GenerateIFDFixture (string name, string path)
{
// First run exiv2 on it.
string output, err;
int code;
var result = GLib.Process.SpawnCommandLineSync (String.Format ("./listData e {0}", path), out output, out err, out code);
if (!result) {
Console.Error.WriteLine ("Invoking listData failed, are you running from the examples folder?");
return;
}
Write ("// ---------- Start of IFD tests ----------");
foreach (string line in output.Split ('\n')) {
string[] parts = line.Split (new char[] {'\t'}, 5);
if (parts.Length == 0 || line.Trim ().Equals (String.Empty) || parts.Length != 5)
continue;
string tag_label = parts[0];
ushort tag = ushort.Parse (parts[1].Substring(2), System.Globalization.NumberStyles.HexNumber);
string ifd = parts[2];
string type = parts[3];
uint length = uint.Parse (parts[4]);
if (ifd == "NikonSi02xx" || ifd == "NikonVr" || ifd == "NikonPc" || ifd == "NikonWt" || ifd == "NikonIi" || ifd == "NikonLd3") {
continue; // Exiv2 makes these up.
}
string val = ExtractKey (path, String.Format ("Exif.{0}.{1}", ifd, tag_label));
if (tag_label == "SubIFDs") {
for (int i = 0; i < val.Split (' ').Length; i++) {
var sub_ifd = String.Format ("SubImage{0}", sub_ifds.Count + 1);
sub_ifds.Add (sub_ifd, sub_ifds.Count);
}
continue;
}
EnsureIFD (ifd);
if (tag_label.Equals ("ExifTag"))
type = "SubIFD";
if (tag_label.Equals ("MakerNote")) {
type = "MakerNote";
val = String.Empty; // No need to echo.
}
if (tag_label.Equals ("InteroperabilityTag"))
type = "SubIFD";
if (tag_label.Equals ("GPSTag"))
type = "SubIFD";
if (tag_label.Equals ("JPEGInterchangeFormat"))
type = "ThumbnailDataIFD";
if (tag_label.Equals ("Preview") && ifd.Equals ("Nikon3"))
type = "SubIFD";
if (tag_label.Equals ("UserComment") && ifd.Equals ("Photo"))
type = "UserComment";
if (tag_label.Equals ("StripOffsets"))
type = "StripOffsets";
if (tag_label.Equals ("IPTCNAA"))
type = "IPTCNAA";
if (tag_label.Equals ("XMLPacket"))
type = "XMLPacket";
if (ifd.Equals ("MakerNote"))
continue; // Exiv2 makes these up.
Write ("// {1}.0x{0:X4} ({2}/{3}/{4}) \"{5}\"", tag, ifd, tag_label, type, length, length > 512 ? "(Value ommitted)" : val);
if (ifd.Equals ("Image")) {
EmitTestIFDEntryOpen ("structure", 0, tag, ifd);
} else if (ifd.Equals ("Thumbnail")) {
EmitTestIFDEntryOpen ("structure", 1, tag, ifd);
} else if (ifd.Equals ("Image2")) {
EmitTestIFDEntryOpen ("structure", 2, tag, ifd);
} else if (ifd.Equals ("Image3")) {
EmitTestIFDEntryOpen ("structure", 3, tag, ifd);
} else if (ifd.Equals ("Photo")) {
EmitTestIFDEntryOpen ("exif_structure", 0, tag, ifd);
} else if (IsPartOfMakernote (ifd)) {
EmitTestIFDEntryOpen ("makernote_structure", 0, tag, ifd);
} else if (ifd.Equals ("NikonPreview")) {
EmitTestIFDEntryOpen ("nikonpreview_structure", 0, tag, ifd);
} else if (ifd.Equals ("Iop")) {
EmitTestIFDEntryOpen ("iop_structure", 0, tag, ifd);
} else if (ifd.Equals ("GPSInfo")) {
EmitTestIFDEntryOpen ("gps_structure", 0, tag, ifd);
} else if (ifd.Equals ("CanonCs")) {
EmitTestIFDEntryOpen ("makernote_structure", 0, (ushort) CanonMakerNoteEntryTag.CameraSettings, ifd);
} else if (ifd.Equals ("CanonSi")) {
EmitTestIFDEntryOpen ("makernote_structure", 0, (ushort) CanonMakerNoteEntryTag.ShotInfo, ifd);
} else if (ifd.Equals ("CanonCf")) {
EmitTestIFDEntryOpen ("makernote_structure", 0, (ushort) CanonMakerNoteEntryTag.CustomFunctions, ifd);
} else if (ifd.Equals ("CanonPi")) {
EmitTestIFDEntryOpen ("makernote_structure", 0, (ushort) CanonMakerNoteEntryTag.PictureInfo, ifd);
} else if (ifd.Equals ("CanonFi")) {
EmitTestIFDEntryOpen ("makernote_structure", 0, (ushort) 0x93, ifd);
} else if (ifd.Equals ("PanasonicRaw")) {
EmitTestIFDEntryOpen ("pana_structure", 0, tag, ifd);
} else if (sub_ifds.ContainsKey (ifd)) {
EmitTestIFDEntryOpen (String.Format ("{0}_structure", ifd), 0, tag, ifd);
} else {
throw new Exception (String.Format ("Unknown IFD: {0}", ifd));
}
if (ifd.Equals ("CanonCs") || ifd.Equals ("CanonSi") || ifd.Equals ("CanonCf") || ifd.Equals ("CanonPi")) {
// This are a made-up directory by exiv2
EmitTestIFDIndexedShortEntry (tag, val);
} else if (ifd.Equals ("CanonFi")) {
// This are a made-up directory by exiv2
// And the fist both entries are combined to a long by exiv2.
if (tag == 0x0001) {
string val1 = ((ushort) UInt32.Parse (val)).ToString ();
string val2 = ((ushort) (UInt32.Parse (val) >> 16)).ToString ();
EmitTestIFDIndexedShortEntry (tag, val1);
EmitTestIFDIndexedShortEntry (tag + 1, val2);
} else {
EmitTestIFDIndexedShortEntry (tag, val);
}
} else if (type.Equals ("Ascii")) {
EmitTestIFDStringEntry (val);
} else if (type.Equals ("Short") && length == 1) {
EmitTestIFDShortEntry (val);
} else if (type.Equals ("Short") && length > 1) {
EmitTestIFDShortArrayEntry (val);
} else if (type.Equals ("SShort") && length == 1) {
EmitTestIFDSShortEntry (val);
} else if (type.Equals ("SShort") && length > 1) {
EmitTestIFDSShortArrayEntry (val);
} else if (type.Equals ("Rational") && length == 1) {
EmitTestIFDRationalEntry (val);
} else if (type.Equals ("Rational") && length > 1) {
EmitTestIFDRationalArrayEntry (val);
} else if (type.Equals ("SRational") && length == 1) {
EmitTestIFDSRationalEntry (val);
} else if (type.Equals ("SRational") && length > 1) {
EmitTestIFDSRationalArrayEntry (val);
} else if (type.Equals ("Long") && length == 1) {
EmitTestIFDLongEntry (val);
} else if (type.Equals ("Long") && length > 1) {
EmitTestIFDLongArrayEntry (val);
} else if (type.Equals ("SLong") && length == 1) {
EmitTestIFDSLongEntry (val);
} else if (type.Equals ("Byte") && length == 1) {
EmitTestIFDByteEntry (val);
} else if (type.Equals ("Byte") && length > 1) {
EmitTestIFDByteArrayEntry (val);
} else if (type.Equals ("SByte") && length == 1) {
EmitTestIFDSByteEntry (val);
} else if (type.Equals ("SubIFD")) {
EmitTestIFDSubIFDEntry (val);
} else if (type.Equals ("ThumbnailDataIFD")) {
EmitTestIFDThumbnailDataIFDEntry (val);
} else if (type.Equals ("MakerNote")) {
EmitTestIFDMakerNoteIFDEntry (val);
} else if (type.Equals ("UserComment")) {
EmitTestIFDUserCommentIFDEntry (val);
} else if (type.Equals ("Undefined")) {
EmitTestIFDUndefinedEntry (val);
} else if (type.Equals ("StripOffsets")) {
EmitTestIFDStripOffsetsEntry (val);
} else if (type.Equals ("IPTCNAA")) {
EmitTestIFDIPTCNAAEntry (val);
} else if (type.Equals ("XMLPacket")) {
EmitTestIFDXMLPacketEntry (val);
} else {
throw new Exception ("Unknown type: " + type);
}
EmitTestIFDEntryClose ();
}
Write ();
Write ("// ---------- End of IFD tests ----------");
Write ();
}
static Dictionary<string, string> xmp_prefixes = new Dictionary<string, string> ();
static void GenerateXMPFixture (string name, string path)
{
// First run exiv2 on it.
string output, err;
int code;
var result = GLib.Process.SpawnCommandLineSync (String.Format ("./listData x {0}", path), out output, out err, out code);
if (!result) {
Console.Error.WriteLine ("Invoking exiv2 failed, do you have it installed?");
return;
}
if (output.Trim ().Equals (""))
return;
Write ();
Write ("// ---------- Start of XMP tests ----------");
Write ();
Write ("XmpTag xmp = file.GetTag (TagTypes.XMP) as XmpTag;");
// Build prefix lookup dictionary.
Type t = typeof(XmpTag);
foreach (var member in t.GetMembers()) {
if (!member.Name.EndsWith ("_NS"))
continue;
string val = (member as System.Reflection.FieldInfo).GetValue (null) as string;
string prefix = XmpTag.NamespacePrefixes [val];
xmp_prefixes [prefix] = member.Name;
}
foreach (string line in output.Split ('\n')) {
string[] parts = line.Split (new char[] {'\t'}, 3);
if (parts.Length == 0 || line.Trim ().Equals (String.Empty))
continue;
string label = parts[0];
string type = parts[1];
uint length = uint.Parse (parts[2]);
string val = ExtractKey (path, label).Trim ();
EmitXmpTest (label, type, length, val);
}
Write ();
Write ("// ---------- End of XMP tests ----------");
Write ();
}
static void EmitXmpTest (string label, string type, uint length, string val)
{
if (label.Equals ("Xmp.xmpMM.InstanceID"))
return; // Continue this, exiv2 makes it up from the about attr
if (label.Equals ("Xmp.tiff.Orientation"))
return; // exiv2 destroys this value
var node_path = label.Split ('/');
Write ("// {0} ({1}/{2}) \"{3}\"", label, type, length, val);
Write ("{");
Write ("var node = xmp.NodeTree;");
// Navigate to the correct node.
foreach (var node in node_path) {
var parts = node.Split ('.');
var partscolon = node.Split (':');
if (parts.Length == 3) {
// Plain node
int index = 0;
string name = parts[2];
if (parts[2].EndsWith("]")) {
int index_start = parts[2].LastIndexOf ("[");
string index_str = parts[2].Substring (index_start+1, parts[2].Length-index_start-2);
index = int.Parse (index_str);
name = parts[2].Substring (0, index_start);
}
string ns = GetXmpNs (parts[1]);
Write ("node = node.GetChild ({0}, \"{1}\");", ns, name);
Write ("Assert.IsNotNull (node);");
if (index > 0) {
Write ("node = node.Children [{0}];", index - 1);
Write ("Assert.IsNotNull (node);");
}
} else if (partscolon.Length == 2) {
string ns = GetXmpNs (partscolon[0]);
string name = partscolon[1];
Write ("node = node.GetChild ({0}, \"{1}\");", ns, name);
Write ("Assert.IsNotNull (node);");
} else {
throw new Exception ("Can't navigate to "+node);
}
}
if (length > 0 && type.Equals ("XmpText")) {
Write ("Assert.AreEqual (\"{0}\", node.Value);", val);
Write ("Assert.AreEqual (XmpNodeType.Simple, node.Type);");
Write ("Assert.AreEqual (0, node.Children.Count);");
} else if (type.Equals ("XmpBag") && length == 1) {
Write ("Assert.AreEqual (XmpNodeType.Bag, node.Type);");
Write ("Assert.AreEqual (\"\", node.Value);");
Write ("Assert.AreEqual ({0}, node.Children.Count);", length);
Write ("Assert.AreEqual (\"{0}\", node.Children [0].Value);", val);
} else if (type.Equals ("LangAlt") && length == 1) {
var langparts = val.Split (new char [] {' '}, 2);
string lang = langparts[0].Substring (langparts[0].IndexOf ('"')+1, langparts [0].Length - langparts[0].IndexOf ('"')-2);
Write ("Assert.AreEqual (\"{0}\", node.Children [0].GetQualifier (XmpTag.XML_NS, \"lang\").Value);", lang);
Write ("Assert.AreEqual (\"{0}\", node.Children [0].Value);", langparts[1]);
} else if (type.Equals ("XmpSeq") && length == 1) {
Write ("Assert.AreEqual (XmpNodeType.Seq, node.Type);");
Write ("Assert.AreEqual (\"\", node.Value);");
Write ("Assert.AreEqual ({0}, node.Children.Count);", length);
Write ("Assert.AreEqual (\"{0}\", node.Children [0].Value);", val);
} else if (type.Equals ("XmpSeq") && length > 1) {
string [] vals = val.Split (',');
Write ("Assert.AreEqual (XmpNodeType.Seq, node.Type);");
Write ("Assert.AreEqual (\"\", node.Value);");
Write ("Assert.AreEqual ({0}, node.Children.Count);", length);
var per_iter = vals.Length / length;
for (int i = 0; i < length; i++) {
var builder = new List<string> ();
for (int j = 0; j < per_iter; j++) {
builder.Add (vals[per_iter*i + j].Trim ());
}
Write ("Assert.AreEqual (\"{0}\", node.Children [{1}].Value);", String.Join (", ", builder.ToArray ()), i);
}
} else if (type.Equals ("XmpBag") && length > 1) {
string [] vals = val.Split (',');
Write ("Assert.AreEqual (XmpNodeType.Bag, node.Type);");
Write ("Assert.AreEqual (\"\", node.Value);");
Write ("Assert.AreEqual ({0}, node.Children.Count);", length);
Write ("var children_array = new System.Collections.Generic.List<string> ();");
Write ("foreach (var child in node.Children)");
Write ("{");
Write ("children_array.Add (child.Value);");
Write ("}");
var per_iter = vals.Length / length;
for (int i = 0; i < length; i++) {
var builder = new List<string> ();
for (int j = 0; j < per_iter; j++) {
builder.Add (vals[per_iter*i + j].Trim ());
}
Write ("Assert.IsTrue (children_array.Contains (\"{0}\"));", String.Join (", ", builder.ToArray ()));
}
} else if (type.Equals ("XmpText") && length == 0 && val.StartsWith ("type=")) {
if (val.Equals ("type=\"Bag\"")) {
Write ("Assert.AreEqual (XmpNodeType.Bag, node.Type);");
} else if (val.Equals ("type=\"Struct\"")) {
// We disagree with exiv2 on the meaning of Struct. In Taglib#,
// struct is meant to denote parseType=Resource types only, not
// the shorthand equivalent. Also see XmpNode.RenderInto()
//Write ("Assert.AreEqual (XmpNodeType.Struct, node.Type);");
} else {
throw new Exception ("Unknown type");
}
} else {
throw new Exception (String.Format ("Can't test this (type: {0}, length: {1})", type, length));
}
Write ("}");
}
static string ExtractKey (string file, string key)
{
string output, err;
int code;
var result = GLib.Process.SpawnCommandLineSync (String.Format ("./extractKey {0} {1}", file, key), out output, out err, out code);
if (!result) {
Console.Error.WriteLine ("Invoking extractKey failed, are you running from the examples folder?");
return String.Empty;
}
return output;
}
static string GetXmpNs (string prefix)
{
string result;
if (prefix.Equals ("xmpBJ"))
prefix = "xapBJ";
if (prefix.Equals ("xmpMM"))
prefix = "xapMM";
if (prefix.Equals ("xmpRights"))
prefix = "xapRights";
if (prefix.Equals ("MicrosoftPhoto_1_")) // We correct this invalid namespace internally
prefix = "MicrosoftPhoto";
if (xmp_prefixes.TryGetValue (prefix, out result))
return String.Format ("XmpTag.{0}", result);
throw new Exception ("Unknown namespace prefix: "+prefix);
}
static bool IsPartOfMakernote (string ifd) {
return ifd.Equals ("MakerNote") ||
ifd.Equals ("Canon") ||
ifd.Equals ("Sony") ||
ifd.Equals ("Nikon1") ||
ifd.Equals ("Nikon2") ||
ifd.Equals ("Nikon3") ||
ifd.Equals ("Panasonic") ||
ifd.Equals ("Olympus") ||
ifd.Equals ("Pentax");
}
static void EmitHeader (string name, string path)
{
int start = path.LastIndexOf ('/');
string filename = path.Substring (start+1);
Write ("// TODO: This file is automatically generated");
Write ("// TODO: Further manual verification is needed");
Write ();
Write ("using System;");
Write ("using NUnit.Framework;");
Write ("using TagLib.IFD;");
Write ("using TagLib.IFD.Entries;");
Write ("using TagLib.IFD.Tags;");
Write ("using TagLib.Xmp;");
Write ("using TagLib.Tests.Images.Validators;");
Write ();
Write ("namespace TagLib.Tests.Images");
Write ("{");
Write ("[TestFixture]");
Write ("public class {0}", name);
Write ("{");
Write ("[Test]");
Write ("public void Test ()");
Write ("{");
Write ("ImageTest.Run (\"{0}\",", filename);
level++;
Write ("new {0}InvariantValidator (),", name);
Write ("NoModificationValidator.Instance");
level--;
Write (");");
Write ("}");
Write ("}");
Write ();
Write ("public class {0}InvariantValidator : IMetadataInvariantValidator", name);
Write ("{");
Write ("public void ValidateMetadataInvariants (Image.File file)");
Write ("{");
Write ("Assert.IsNotNull (file);");
}
static void EmitFooter ()
{
Write ("}"); // Method
Write ("}"); // Class
Write ("}"); // Namespace
}
static bool is_panasonic_raw = false;
static bool structure_emitted = false;
static bool exif_emitted = false;
static bool makernote_emitted = false;
static bool makernote_is_canon = false;
static bool makernote_is_nikon1 = false;
static bool makernote_is_nikon2 = false;
static bool makernote_is_nikon3 = false;
static bool makernote_is_panasonic = false;
static bool nikonpreview_emitted = false;
static bool iop_emitted = false;
static bool gps_emitted = false;
static void EnsureIFD (string ifd) {
if (ifd.Equals ("PanasonicRaw")) {
if (is_panasonic_raw)
return;
Write ();
Write ("var tag = file.GetTag (TagTypes.TiffIFD) as IFDTag;");
Write ("Assert.IsNotNull (tag, \"IFD tag not found\");");
Write ();
Write ("var pana_structure = tag.Structure;");
Write ();
Write ("var jpg_file = (file as TagLib.Tiff.Rw2.File).JpgFromRaw;");
Write ("Assert.IsNotNull (tag, \"JpgFromRaw not found!\");");
Write ("var jpg_tag = jpg_file.GetTag (TagTypes.TiffIFD) as IFDTag;");
Write ("Assert.IsNotNull (tag, \"Jpg has no Exif tag!\");");
Write ("var structure = jpg_tag.Structure;");
is_panasonic_raw = true;
}
if (ifd.Equals ("Image") && !is_panasonic_raw) {
if (structure_emitted)
return;
Write ();
Write ("var tag = file.GetTag (TagTypes.TiffIFD) as IFDTag;");
Write ("Assert.IsNotNull (tag, \"IFD tag not found\");");
Write ();
Write ("var structure = tag.Structure;");
Write ();
structure_emitted = true;
}
if (ifd.Equals ("Photo")) {
if (exif_emitted)
return;
EnsureIFD ("Image");
Write ();
Write ("var exif = structure.GetEntry (0, (ushort) IFDEntryTag.ExifIFD) as SubIFDEntry;");
Write ("Assert.IsNotNull (exif, \"Exif tag not found\");");
Write ("var exif_structure = exif.Structure;");
Write ();
exif_emitted = true;
}
if (ifd.Equals ("MakerNote")) {
if (makernote_emitted)
return;
EnsureIFD ("Photo");
Write ();
Write ("var makernote = exif_structure.GetEntry (0, (ushort) ExifEntryTag.MakerNote) as MakernoteIFDEntry;");
Write ("Assert.IsNotNull (makernote, \"MakerNote tag not found\");");
Write ("var makernote_structure = makernote.Structure;");
Write ();
makernote_emitted = true;
}
if (ifd.Equals ("Canon") || ifd.Equals ("CanonCs") || ifd.Equals ("CanonSi")) {
if (makernote_is_canon)
return;
EnsureIFD ("MakerNote");
Write ();
Write ("Assert.AreEqual (MakernoteType.Canon, makernote.MakernoteType);");
Write ();
makernote_is_canon = true;
}
if (ifd.Equals ("Nikon1")) {
if (makernote_is_nikon1)
return;
EnsureIFD ("MakerNote");
Write ();
Write ("Assert.AreEqual (MakernoteType.Nikon1, makernote.MakernoteType);");
Write ();
makernote_is_nikon1 = true;
}
if (ifd.Equals ("Nikon2")) {
if (makernote_is_nikon2)
return;
EnsureIFD ("MakerNote");
Write ();
Write ("Assert.AreEqual (MakernoteType.Nikon2, makernote.MakernoteType);");
Write ();
makernote_is_nikon2 = true;
}
if (ifd.Equals ("Nikon3")) {
if (makernote_is_nikon3)
return;
EnsureIFD ("MakerNote");
Write ();
Write ("Assert.AreEqual (MakernoteType.Nikon3, makernote.MakernoteType);");
Write ();
makernote_is_nikon3 = true;
}
if (ifd.Equals ("NikonPreview")) {
if (nikonpreview_emitted)
return;
EnsureIFD ("Nikon3");
Write ();
Write ("var nikonpreview = makernote_structure.GetEntry (0, (ushort) Nikon3MakerNoteEntryTag.Preview) as SubIFDEntry;");
Write ("Assert.IsNotNull (nikonpreview, \"Nikon preview tag not found\");");
Write ("var nikonpreview_structure = nikonpreview.Structure;");
Write ();
nikonpreview_emitted = true;
}
if (ifd.Equals ("Panasonic")) {
if (makernote_is_panasonic)
return;
EnsureIFD ("MakerNote");
Write ();
Write ("Assert.AreEqual (MakernoteType.Panasonic, makernote.MakernoteType);");
Write ();
makernote_is_panasonic = true;
}
if (ifd.Equals ("Iop")) {
if (iop_emitted)
return;
EnsureIFD ("Photo");
Write ();
Write ("var iop = exif_structure.GetEntry (0, (ushort) IFDEntryTag.InteroperabilityIFD) as SubIFDEntry;");
Write ("Assert.IsNotNull (iop, \"Iop tag not found\");");
Write ("var iop_structure = iop.Structure;");
Write ();
iop_emitted = true;
}
if (ifd.Equals ("GPSInfo")) {
if (gps_emitted)
return;
EnsureIFD ("Image");
Write ();
Write ("var gps = structure.GetEntry (0, (ushort) IFDEntryTag.GPSIFD) as SubIFDEntry;");
Write ("Assert.IsNotNull (gps, \"GPS tag not found\");");
Write ("var gps_structure = gps.Structure;");
Write ();
gps_emitted = true;
}
if (sub_ifds.ContainsKey (ifd) && !sub_ifds_emitted.ContainsKey (ifd)) {
Write ();
Write ("var {0}_structure = (structure.GetEntry (0, (ushort) IFDEntryTag.SubIFDs) as SubIFDArrayEntry).Entries [{1}];", ifd, sub_ifds[ifd]);
Write ("Assert.IsNotNull ({0}_structure, \"{0} structure not found\");", ifd);
Write ();
sub_ifds_emitted.Add (ifd, true);
}
}
static void EmitTestIFDEntryOpen (string src, int ifd, ushort tag, string ifd_label)
{
Write ("{");
Write (String.Format ("var entry = {0}.GetEntry ({1}, (ushort) {2});", src, ifd, StringifyEntryTag (ifd_label, tag)));
Write (String.Format ("Assert.IsNotNull (entry, \"Entry 0x{0:X4} missing in IFD {1}\");", tag, ifd));
}
static void EmitTestIFDEntryClose ()
{
Write ("}");
}
static void EmitTestIFDStringEntry (string val)
{
Write ("Assert.IsNotNull (entry as StringIFDEntry, \"Entry is not a string!\");");
Write ("Assert.AreEqual (\"{0}\", (entry as StringIFDEntry).Value{1});", val, val == String.Empty ? ".Trim ()" : "");
}
static void EmitTestIFDShortEntry (string val)
{
Write ("Assert.IsNotNull (entry as ShortIFDEntry, \"Entry is not a short!\");");
Write ("Assert.AreEqual ({0}, (entry as ShortIFDEntry).Value);", val);
}
static void EmitTestIFDSShortEntry (string val)
{
Write ("Assert.IsNotNull (entry as SShortIFDEntry, \"Entry is not a signed short!\");");
Write ("Assert.AreEqual ({0}, (entry as SShortIFDEntry).Value);", val);
}
static void EmitTestIFDShortArrayEntry (string val)
{
val = String.Format ("new ushort [] {{ {0} }}", String.Join (", ", val.Split(' ')));
Write ("Assert.IsNotNull (entry as ShortArrayIFDEntry, \"Entry is not a short array!\");");
Write ("Assert.AreEqual ({0}, (entry as ShortArrayIFDEntry).Values);", val);
}
static void EmitTestIFDSShortArrayEntry (string val)
{
val = String.Format ("new short [] {{ {0} }}", String.Join (", ", val.Split(' ')));
Write ("Assert.IsNotNull (entry as SShortArrayIFDEntry, \"Entry is not a signed short array!\");");
Write ("Assert.AreEqual ({0}, (entry as SShortArrayIFDEntry).Values);", val);
}
static void EmitTestIFDRationalEntry (string val)
{
Write ("Assert.IsNotNull (entry as RationalIFDEntry, \"Entry is not a rational!\");");
string[] parts = val.Split('/');
Write ("Assert.AreEqual ({0}, (entry as RationalIFDEntry).Value.Numerator);", parts [0]);
Write ("Assert.AreEqual ({0}, (entry as RationalIFDEntry).Value.Denominator);", parts [1]);
}
static void EmitTestIFDRationalArrayEntry (string val)
{
var parts = val.Split(' ');
Write ("Assert.IsNotNull (entry as RationalArrayIFDEntry, \"Entry is not a rational array!\");");
Write ("var parts = (entry as RationalArrayIFDEntry).Values;");
Write ("Assert.AreEqual ({0}, parts.Length);", parts.Length);
for (int i = 0; i < parts.Length; i++) {
var pieces = parts[i].Split('/');
Write ("Assert.AreEqual ({0}, parts[{1}].Numerator);", pieces[0], i);
Write ("Assert.AreEqual ({0}, parts[{1}].Denominator);", pieces[1], i);
}
}
static void EmitTestIFDSRationalEntry (string val)
{
Write ("Assert.IsNotNull (entry as SRationalIFDEntry, \"Entry is not a srational!\");");
string[] parts = val.Split('/');
Write ("Assert.AreEqual ({0}, (entry as SRationalIFDEntry).Value.Numerator);", parts [0]);
Write ("Assert.AreEqual ({0}, (entry as SRationalIFDEntry).Value.Denominator);", parts [1]);
}
static void EmitTestIFDSRationalArrayEntry (string val)
{
var parts = val.Split(' ');
Write ("Assert.IsNotNull (entry as SRationalArrayIFDEntry, \"Entry is not a srational array!\");");
Write ("var parts = (entry as SRationalArrayIFDEntry).Values;");
Write ("Assert.AreEqual ({0}, parts.Length);", parts.Length);
for (int i = 0; i < parts.Length; i++) {
var pieces = parts[i].Split('/');
Write ("Assert.AreEqual ({0}, parts[{1}].Numerator);", pieces[0], i);
Write ("Assert.AreEqual ({0}, parts[{1}].Denominator);", pieces[1], i);
}
}
static void EmitTestIFDLongEntry (string val)
{
Write ("Assert.IsNotNull (entry as LongIFDEntry, \"Entry is not a long!\");");
Write ("Assert.AreEqual ({0}, (entry as LongIFDEntry).Value);", val);
}
static void EmitTestIFDLongArrayEntry (string val)
{
val = String.Format ("new long [] {{ {0} }}", String.Join (", ", val.Split(' ')));
Write ("Assert.IsNotNull (entry as LongArrayIFDEntry, \"Entry is not a long array!\");");
Write ("Assert.AreEqual ({0}, (entry as LongArrayIFDEntry).Values);", val);
}
static void EmitTestIFDSLongEntry (string val)
{
Write ("Assert.IsNotNull (entry as SLongIFDEntry, \"Entry is not a signed long!\");");
Write ("Assert.AreEqual ({0}, (entry as SLongIFDEntry).Value);", val);
}
static void EmitTestIFDByteEntry (string val)
{
Write ("Assert.IsNotNull (entry as ByteIFDEntry, \"Entry is not a byte!\");");
Write ("Assert.AreEqual ({0}, (entry as ByteIFDEntry).Value);", val);
}
static void EmitTestIFDByteArrayEntry (string val)
{
EmitByteArrayComparison (val, "ByteVectorIFDEntry", "a byte array");
}
static void EmitTestIFDSByteEntry (string val)
{
Write ("Assert.IsNotNull (entry as SByteIFDEntry, \"Entry is not a signed byte!\");");
Write ("Assert.AreEqual ({0}, (entry as SByteIFDEntry).Value);", val);
}
static void EmitTestIFDIPTCNAAEntry (string val)
{
Write ("Assert.IsNotNull (entry as ByteVectorIFDEntry, \"Entry is not a byte array!\");");
}
static void EmitTestIFDXMLPacketEntry (string val)
{
Write ("Assert.IsNotNull (entry as ByteVectorIFDEntry, \"Entry is not a byte array!\");");
}
static void EmitTestIFDUndefinedEntry (string val)
{
EmitByteArrayComparison (val, "UndefinedIFDEntry", "an undefined IFD entry");
}
static void EmitByteArrayComparison (string val, string type, string type_desc)
{
Write ("Assert.IsNotNull (entry as {0}, \"Entry is not {1}!\");", type, type_desc);
Write ("var parsed_bytes = (entry as {0}).Data.Data;", type);
var parts = val.Trim ().Split(' ');
if (parts.Length < 512) {
Write ("var bytes = new byte [] {{ {0} }};", String.Join (", ", parts));
Write ("Assert.AreEqual (bytes, parsed_bytes);");
} else {
// Starting with 512 byte items, we compare based on an MD5 hash, should be faster and reduces
// the size of the test fixtures.
byte [] data = new byte [parts.Length];
for (int i = 0; i < parts.Length; i++) {
data [i] = Byte.Parse (parts [i]);
}
var hash = md5.ComputeHash (data);
StringBuilder shash = new StringBuilder ();
for (int i = 0; i < hash.Length; i++) {
shash.Append (hash[i].ToString ("x2"));
}
Write ("var parsed_hash = Utils.Md5Encode (parsed_bytes);");
Write ("Assert.AreEqual (\"{0}\", parsed_hash);", shash.ToString ());
Write ("Assert.AreEqual ({0}, parsed_bytes.Length);", parts.Length);
}
}
static void EmitTestIFDSubIFDEntry (string val)
{
Write ("Assert.IsNotNull (entry as SubIFDEntry, \"Entry is not a sub IFD!\");");
}
static void EmitTestIFDThumbnailDataIFDEntry (string val)
{
Write ("Assert.IsNotNull (entry as ThumbnailDataIFDEntry, \"Entry is not a thumbnail IFD!\");");
}
static void EmitTestIFDMakerNoteIFDEntry (string val)
{
Write ("Assert.IsNotNull (entry as MakernoteIFDEntry, \"Entry is not a makernote IFD!\");");
}
static void EmitTestIFDUserCommentIFDEntry (string val)
{
Write ("Assert.IsNotNull (entry as UserCommentIFDEntry, \"Entry is not a user comment!\");");
if (val.StartsWith ("charset=\"Ascii\""))
val = val.Substring (15).Trim ();
Write ("Assert.AreEqual (\"{0}\", (entry as UserCommentIFDEntry).Value.Trim ());", val);
}
static void EmitTestIFDStripOffsetsEntry (string val)
{
// The offsets may change after writing. Therfore we cannot compare them directly.
string offset_count = String.Format ("{0}", val.Split(' ').Length);
//val = String.Format ("new long [] {{ {0} }}", String.Join (", ", val.Split(' ')));
Write ("Assert.IsNotNull (entry as StripOffsetsIFDEntry, \"Entry is not a strip offsets entry!\");");
//Write ("Assert.AreEqual ({0}, (entry as StripOffsetsIFDEntry).Values);", val);
Write ("Assert.AreEqual ({0}, (entry as StripOffsetsIFDEntry).Values.Length);", offset_count);
}
static void EmitTestIFDIndexedShortEntry (int index, string val)
{
Write ("Assert.IsNotNull (entry as ShortArrayIFDEntry, \"Entry is not a short array!\");");
var parts = val.Trim ().Split (' ');
Write ("Assert.IsTrue ({0} <= (entry as ShortArrayIFDEntry).Values.Length);", index + parts.Length);
for (int i = 0; i < parts.Length; i++)
Write ("Assert.AreEqual ({0}, (entry as ShortArrayIFDEntry).Values [{1}]);", parts [i], index + i);
}
#region IFD tag names lookup
static Dictionary<string, Dictionary<ushort, string>> tag_names = null;
static string StringifyEntryTag (string src, ushort tag)
{
if (tag_names == null)
BuildTagNamesTable ();
Dictionary<ushort, string> table;
string result;
if (tag_names.TryGetValue (src, out table)) {
if (table.TryGetValue (tag, out result))
return result;
}
Write ("// TODO: Unknown IFD tag: {1} / 0x{0:X4}", tag, src);
return String.Format ("0x{0:X4}", tag);
}
static void BuildTagNamesTable ()
{
tag_names = new Dictionary<string, Dictionary<ushort, string>> ();
IndexTagType ("Image", typeof (IFDEntryTag), "IFDEntryTag");
IndexTagType ("Image2", typeof (IFDEntryTag), "IFDEntryTag");
IndexTagType ("Image3", typeof (IFDEntryTag), "IFDEntryTag");
IndexTagType ("SubImage1", typeof (IFDEntryTag), "IFDEntryTag");
IndexTagType ("SubImage2", typeof (IFDEntryTag), "IFDEntryTag");
IndexTagType ("Thumbnail", typeof (IFDEntryTag), "IFDEntryTag"); // IFD1, for thumbnails
IndexTagType ("Photo", typeof (IFDEntryTag), "IFDEntryTag");
IndexTagType ("Photo", typeof (ExifEntryTag), "ExifEntryTag");
IndexTagType ("Image", typeof (ExifEntryTag), "ExifEntryTag"); // Also put exif into Image, for DNG
IndexTagType ("GPSInfo", typeof (GPSEntryTag), "GPSEntryTag");
IndexTagType ("Iop", typeof (IOPEntryTag), "IOPEntryTag");
IndexTagType ("Canon", typeof (CanonMakerNoteEntryTag), "CanonMakerNoteEntryTag");
IndexTagType ("CanonCs", typeof (CanonMakerNoteEntryTag), "CanonMakerNoteEntryTag");
IndexTagType ("CanonSi", typeof (CanonMakerNoteEntryTag), "CanonMakerNoteEntryTag");
IndexTagType ("CanonCf", typeof (CanonMakerNoteEntryTag), "CanonMakerNoteEntryTag");
IndexTagType ("CanonFi", typeof (CanonFileInfoEntryTag), "CanonFileInfoEntryTag");
IndexTagType ("CanonFi", typeof (CanonMakerNoteEntryTag), "CanonMakerNoteEntryTag");
IndexTagType ("CanonPi", typeof (CanonPictureInfoEntryTag), "CanonPictureInfoEntryTag");
IndexTagType ("CanonPi", typeof (CanonMakerNoteEntryTag), "CanonMakerNoteEntryTag");
IndexTagType ("Sony", typeof (SonyMakerNoteEntryTag), "SonyMakerNoteEntryTag");
IndexTagType ("Olympus", typeof (OlympusMakerNoteEntryTag), "OlympusMakerNoteEntryTag");
IndexTagType ("Pentax", typeof (PentaxMakerNoteEntryTag), "PentaxMakerNoteEntryTag");
IndexTagType ("Nikon3", typeof (Nikon3MakerNoteEntryTag), "Nikon3MakerNoteEntryTag");
IndexTagType ("NikonPreview", typeof (NikonPreviewMakerNoteEntryTag), "NikonPreviewMakerNoteEntryTag");
IndexTagType ("Panasonic", typeof (PanasonicMakerNoteEntryTag), "PanasonicMakerNoteEntryTag");
IndexTagType ("PanasonicRaw", typeof (IFDEntryTag), "IFDEntryTag");
}
static void IndexTagType (string ifd, Type t, string typename)
{
if (!tag_names.ContainsKey (ifd))
tag_names[ifd] = new Dictionary<ushort, string> ();
foreach (string name in Enum.GetNames (t)) {
ushort tag = (ushort) Enum.Parse (t, name);
tag_names[ifd][tag] = String.Format ("{1}.{0}", name, typename);
}
}
#endregion
#region Code emission
static int level = 0;
static void Write (string str, params object[] p)
{
Console.Write (new String ('\t', level));
Console.WriteLine (str, p);
}
static void Write ()
{
Console.WriteLine ();
}
static void Write (string str)
{
if (str.Equals ("}"))
level--;
Console.Write (new String ('\t', level));
Console.WriteLine (str);
if (str.Equals ("{"))
level++;
}
#endregion
}
|