utils/wxrc/wxrc.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wxrc.cpp
   3 // Purpose:     XML resource compiler
   4 // Author:      Vaclav Slavik
   5 // Created:     2000/03/05
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2000 Vaclav Slavik
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #if defined(__GNUG__) && !defined(__APPLE__)
  12     #pragma implementation
  13     #pragma interface
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx/wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20     #pragma hdrstop
  21 #endif
  22
  23 // for all others, include the necessary headers (this file is usually all you
  24 // need because it includes almost all "standard" wxWindows headers
  25 #ifndef WX_PRECOMP
  26     #include "wx/wx.h"
  27 #endif
  28
  29 #include "wx/cmdline.h"
  30 #include "wx/xml/xml.h"
  31 #include "wx/ffile.h"
  32 #include "wx/filename.h"
  33 #include "wx/wfstream.h"
  34
  35
  36 class XmlResApp : public wxAppConsole
  37 {
  38 public:
  39     // don't use builtin cmd line parsing:
  40     virtual bool OnInit() { return true; }
  41
  42     virtual int OnRun();
  43
  44 private:
  45
  46     void ParseParams(const wxCmdLineParser& cmdline);
  47     void CompileRes();
  48     wxArrayString PrepareTempFiles();
  49     void FindFilesInXML(wxXmlNode *node, wxArrayString& flist, const wxString& inputPath);
  50
  51     wxString GetInternalFileName(const wxString& name, const wxArrayString& flist);
  52     void DeleteTempFiles(const wxArrayString& flist);
  53     void MakePackageZIP(const wxArrayString& flist);
  54     void MakePackageCPP(const wxArrayString& flist);
  55     void MakePackagePython(const wxArrayString& flist);
  56
  57     void OutputGettext();
  58     wxArrayString FindStrings();
  59     wxArrayString FindStrings(wxXmlNode *node);
  60
  61     bool flagVerbose, flagCPP, flagPython, flagGettext;
  62     wxString parOutput, parFuncname, parOutputPath;
  63     wxArrayString parFiles;
  64     int retCode;
  65 };
  66
  67 IMPLEMENT_APP_NO_THEMES(XmlResApp)
  68
  69 int XmlResApp::OnRun()
  70 {
  71     static const wxCmdLineEntryDesc cmdLineDesc[] =
  72     {
  73         { wxCMD_LINE_SWITCH, _T("h"), _T("help"),  _T("show help message"),
  74               wxCMD_LINE_VAL_NONE, wxCMD_LINE_OPTION_HELP },
  75         { wxCMD_LINE_SWITCH, _T("v"), _T("verbose"), _T("be verbose") },
  76         { wxCMD_LINE_SWITCH, _T("c"), _T("cpp-code"),  _T("output C++ source rather than .rsc file") },
  77         { wxCMD_LINE_SWITCH, _T("p"), _T("python-code"),  _T("output wxPython source rather than .rsc file") },
  78         { wxCMD_LINE_SWITCH, _T("g"), _T("gettext"),  _T("output list of translatable strings (to stdout or file if -o used)") },
  79         { wxCMD_LINE_OPTION, _T("n"), _T("function"),  _T("C++/Python function name (with -c or -p) [InitXmlResource]") },
  80         { wxCMD_LINE_OPTION, _T("o"), _T("output"),  _T("output file [resource.xrs/cpp]") },
  81 #if 0 // not yet implemented
  82         { wxCMD_LINE_OPTION, _T("l"), _T("list-of-handlers",  _T("output list of neccessary handlers to this file" },
  83 #endif
  84         { wxCMD_LINE_PARAM,  NULL, NULL, _T("input file(s)"),
  85               wxCMD_LINE_VAL_STRING,
  86               wxCMD_LINE_PARAM_MULTIPLE | wxCMD_LINE_OPTION_MANDATORY },
  87
  88         { wxCMD_LINE_NONE }
  89     };
  90
  91     wxCmdLineParser parser(cmdLineDesc, argc, argv);
  92
  93     switch (parser.Parse())
  94     {
  95         case -1:
  96             return 0;
  97             break;
  98
  99         case 0:
 100             retCode = 0;
 101             ParseParams(parser);
 102             if (flagGettext)
 103                 OutputGettext();
 104             else
 105                 CompileRes();
 106             return retCode;
 107             break;
 108
 109         default:
 110             return 1;
 111             break;
 112     }
 113 }
 114
 115
 116
 117
 118 void XmlResApp::ParseParams(const wxCmdLineParser& cmdline)
 119 {
 120     flagGettext = cmdline.Found(_T("g"));
 121     flagVerbose = cmdline.Found(_T("v"));
 122     flagCPP = cmdline.Found(_T("c"));
 123     flagPython = cmdline.Found(_T("p"));
 124
 125     if (!cmdline.Found(_T("o"), &parOutput))
 126     {
 127         if (flagGettext)
 128             parOutput = wxEmptyString;
 129         else
 130         {
 131             if (flagCPP)
 132                 parOutput = _T("resource.cpp");
 133             else if (flagPython)
 134                 parOutput = _T("resource.py");
 135             else
 136                 parOutput = _T("resource.xrs");
 137         }
 138     }
 139     wxFileName fn(parOutput);
 140     fn.Normalize();
 141     parOutput = fn.GetFullPath();
 142     parOutputPath = wxPathOnly(parOutput);
 143     if (!parOutputPath) parOutputPath = _T(".");
 144
 145     if (!cmdline.Found(_T("n"), &parFuncname))
 146         parFuncname = _T("InitXmlResource");
 147
 148     for (size_t i = 0; i < cmdline.GetParamCount(); i++)
 149     {
 150 #ifdef __WINDOWS__
 151         wxString fn=wxFindFirstFile(cmdline.GetParam(i), wxFILE);
 152         while (!fn.IsEmpty())
 153         {
 154             parFiles.Add(fn);
 155             fn=wxFindNextFile();
 156         }
 157 #else
 158         parFiles.Add(cmdline.GetParam(i));
 159 #endif
 160     }
 161 }
 162
 163
 164
 165
 166 void XmlResApp::CompileRes()
 167 {
 168     wxArrayString files = PrepareTempFiles();
 169
 170     wxRemoveFile(parOutput);
 171
 172     if (!retCode)
 173     {
 174         if (flagCPP)
 175             MakePackageCPP(files);
 176         else if (flagPython)
 177             MakePackagePython(files);
 178         else
 179             MakePackageZIP(files);
 180     }
 181
 182     DeleteTempFiles(files);
 183 }
 184
 185
 186 wxString XmlResApp::GetInternalFileName(const wxString& name, const wxArrayString& flist)
 187 {
 188     wxString name2 = name;
 189     name2.Replace(_T(":"), _T("_"));
 190     name2.Replace(_T("/"), _T("_"));
 191     name2.Replace(_T("\\"), _T("_"));
 192     name2.Replace(_T("*"), _T("_"));
 193     name2.Replace(_T("?"), _T("_"));
 194
 195     wxString s = wxFileNameFromPath(parOutput) + _T("$") + name2;
 196
 197     if (wxFileExists(s) && flist.Index(s) == wxNOT_FOUND)
 198     {
 199         for (int i = 0;; i++)
 200         {
 201             s.Printf(wxFileNameFromPath(parOutput) + _T("$%03i-") + name2, i);
 202             if (!wxFileExists(s) || flist.Index(s) != wxNOT_FOUND)
 203                 break;
 204         }
 205     }
 206     return s;
 207 }
 208
 209 wxArrayString XmlResApp::PrepareTempFiles()
 210 {
 211     wxArrayString flist;
 212
 213     for (size_t i = 0; i < parFiles.Count(); i++)
 214     {
 215         if (flagVerbose)
 216             wxPrintf(_T("processing ") + parFiles[i] +  _T("...\n"));
 217
 218         wxXmlDocument doc;
 219
 220         if (!doc.Load(parFiles[i]))
 221         {
 222             wxLogError(_T("Error parsing file ") + parFiles[i]);
 223             retCode = 1;
 224             continue;
 225         }
 226
 227         wxString name, ext, path;
 228         wxSplitPath(parFiles[i], &path, &name, &ext);
 229
 230         FindFilesInXML(doc.GetRoot(), flist, path);
 231
 232         wxString internalName = GetInternalFileName(parFiles[i], flist);
 233
 234         doc.Save(parOutputPath + wxFILE_SEP_PATH + internalName);
 235         flist.Add(internalName);
 236     }
 237
 238     return flist;
 239 }
 240
 241
 242 // Does 'node' contain filename information at all?
 243 static bool NodeContainsFilename(wxXmlNode *node)
 244 {
 245    // Any bitmaps:
 246    if (node->GetName() == _T("bitmap"))
 247        return TRUE;
 248
 249    // URLs in wxHtmlWindow:
 250    if (node->GetName() == _T("url"))
 251        return TRUE;
 252
 253    // wxBitmapButton:
 254    wxXmlNode *parent = node->GetParent();
 255    if (parent != NULL &&
 256        parent->GetPropVal(_T("class"), _T("")) == _T("wxBitmapButton") &&
 257        (node->GetName() == _T("focus") ||
 258         node->GetName() == _T("disabled") ||
 259         node->GetName() == _T("selected")))
 260        return TRUE;
 261
 262    // wxBitmap or wxIcon toplevel resources:
 263    if (node->GetName() == _T("object"))
 264    {
 265        wxString klass = node->GetPropVal(_T("class"), wxEmptyString);
 266        if (klass == _T("wxBitmap") || klass == _T("wxIcon"))
 267            return TRUE;
 268    }
 269
 270    return FALSE;
 271 }
 272
 273 // find all files mentioned in structure, e.g. <bitmap>filename</bitmap>
 274 void XmlResApp::FindFilesInXML(wxXmlNode *node, wxArrayString& flist, const wxString& inputPath)
 275 {
 276     // Is 'node' XML node element?
 277     if (node == NULL) return;
 278     if (node->GetType() != wxXML_ELEMENT_NODE) return;
 279
 280     bool containsFilename = NodeContainsFilename(node);
 281
 282     wxXmlNode *n = node->GetChildren();
 283     while (n)
 284     {
 285         if (containsFilename &&
 286             (n->GetType() == wxXML_TEXT_NODE ||
 287              n->GetType() == wxXML_CDATA_SECTION_NODE))
 288         {
 289             wxString fullname;
 290             if (wxIsAbsolutePath(n->GetContent()) || inputPath.empty())
 291                 fullname = n->GetContent();
 292             else
 293                 fullname = inputPath + wxFILE_SEP_PATH + n->GetContent();
 294
 295             if (flagVerbose)
 296                 wxPrintf(_T("adding     ") + fullname +  _T("...\n"));
 297
 298             wxString filename = GetInternalFileName(n->GetContent(), flist);
 299             n->SetContent(filename);
 300
 301             if (flist.Index(filename) == wxNOT_FOUND)
 302                 flist.Add(filename);
 303
 304             wxFileInputStream sin(fullname);
 305             wxFileOutputStream sout(parOutputPath + wxFILE_SEP_PATH + filename);
 306             sin.Read(sout); // copy the stream
 307         }
 308
 309         // subnodes:
 310         if (n->GetType() == wxXML_ELEMENT_NODE)
 311             FindFilesInXML(n, flist, inputPath);
 312
 313         n = n->GetNext();
 314     }
 315 }
 316
 317
 318
 319 void XmlResApp::DeleteTempFiles(const wxArrayString& flist)
 320 {
 321     for (size_t i = 0; i < flist.Count(); i++)
 322         wxRemoveFile(parOutputPath + wxFILE_SEP_PATH + flist[i]);
 323 }
 324
 325
 326
 327 void XmlResApp::MakePackageZIP(const wxArrayString& flist)
 328 {
 329     wxString files;
 330
 331     for (size_t i = 0; i < flist.Count(); i++)
 332         files += flist[i] + _T(" ");
 333     files.RemoveLast();
 334
 335     if (flagVerbose)
 336         wxPrintf(_T("compressing ") + parOutput +  _T("...\n"));
 337
 338     wxString cwd = wxGetCwd();
 339     wxSetWorkingDirectory(parOutputPath);
 340     int execres = wxExecute(_T("zip -9 -j ") +
 341                             wxString(flagVerbose ? _T("") : _T("-q ")) +
 342                             parOutput + _T(" ") + files, TRUE);
 343     wxSetWorkingDirectory(cwd);
 344     if (execres == -1)
 345     {
 346         wxLogError(_T("Unable to execute zip program. Make sure it is in the path."));
 347         wxLogError(_T("You can download it at http://www.cdrom.com/pub/infozip/"));
 348         retCode = 1;
 349         return;
 350     }
 351 }
 352
 353
 354
 355
 356 static wxString FileToCppArray(wxString filename, int num)
 357 {
 358     wxString output;
 359     wxString tmp;
 360     wxString snum;
 361     wxFFile file(filename, wxT("rb"));
 362     size_t lng = file.Length();
 363
 364     snum.Printf(_T("%i"), num);
 365     output.Printf(_T("static size_t xml_res_size_") + snum + _T(" = %i;\n"), lng);
 366     output += _T("static unsigned char xml_res_file_") + snum + _T("[] = {\n");
 367     // we cannot use string literals because MSVC is dumb wannabe compiler
 368     // with arbitrary limitation to 2048 strings :(
 369
 370     unsigned char *buffer = new unsigned char[lng];
 371     file.Read(buffer, lng);
 372
 373     for (size_t i = 0, linelng = 0; i < lng; i++)
 374     {
 375         tmp.Printf(_T("%i"), buffer[i]);
 376         if (i != 0) output << _T(',');
 377         if (linelng > 70)
 378         {
 379             linelng = 0;
 380             output << _T("\n");
 381         }
 382         output << tmp;
 383         linelng += tmp.Length()+1;
 384     }
 385
 386     delete[] buffer;
 387
 388     output += _T("};\n\n");
 389
 390     return output;
 391 }
 392
 393
 394 void XmlResApp::MakePackageCPP(const wxArrayString& flist)
 395 {
 396     wxFFile file(parOutput, wxT("wt"));
 397     size_t i;
 398
 399     if (flagVerbose)
 400         wxPrintf(_T("creating C++ source file ") + parOutput +  _T("...\n"));
 401
 402     file.Write(_T("")
 403 _T("//\n")
 404 _T("// This file was automatically generated by wxrc, do not edit by hand.\n")
 405 _T("//\n\n")
 406 _T("#include <wx/wxprec.h>\n")
 407 _T("\n")
 408 _T("#ifdef __BORLANDC__\n")
 409 _T("    #pragma hdrstop\n")
 410 _T("#endif\n")
 411 _T("\n")
 412 _T("#ifndef WX_PRECOMP\n")
 413 _T("    #include <wx/wx.h>\n")
 414 _T("#endif\n")
 415 _T("")
 416 _T("#include <wx/filesys.h>\n")
 417 _T("#include <wx/fs_mem.h>\n")
 418 _T("#include <wx/xrc/xmlres.h>\n")
 419 _T("#include <wx/xrc/xh_all.h>\n")
 420 _T("\n"));
 421
 422     for (i = 0; i < flist.Count(); i++)
 423         file.Write(
 424               FileToCppArray(parOutputPath + wxFILE_SEP_PATH + flist[i], i));
 425
 426     file.Write(_T("")
 427 _T("void ") + parFuncname + wxT("()\n")
 428 _T("{\n")
 429 _T("\n")
 430 _T("    // Check for memory FS. If not present, load the handler:\n")
 431 _T("    {\n")
 432 _T("        wxMemoryFSHandler::AddFile(wxT(\"XRC_resource/dummy_file\"), wxT(\"dummy one\"));\n")
 433 _T("        wxFileSystem fsys;\n")
 434 _T("        wxFSFile *f = fsys.OpenFile(wxT(\"memory:XRC_resource/dummy_file\"));\n")
 435 _T("        wxMemoryFSHandler::RemoveFile(wxT(\"XRC_resource/dummy_file\"));\n")
 436 _T("        if (f) delete f;\n")
 437 _T("        else wxFileSystem::AddHandler(new wxMemoryFSHandler);\n")
 438 _T("    }\n")
 439 _T("\n"));
 440
 441     for (i = 0; i < flist.Count(); i++)
 442     {
 443         wxString s;
 444         s.Printf(_T("    wxMemoryFSHandler::AddFile(wxT(\"XRC_resource/") + flist[i] +
 445                  _T("\"), xml_res_file_%i, xml_res_size_%i);\n"), i, i);
 446         file.Write(s);
 447     }
 448
 449     for (i = 0; i < parFiles.Count(); i++)
 450     {
 451         file.Write(_T("    wxXmlResource::Get()->Load(wxT(\"memory:XRC_resource/") +
 452                    GetInternalFileName(parFiles[i], flist) + _T("\"));\n"));
 453     }
 454
 455     file.Write(_T("}\n"));
 456
 457
 458 }
 459
 460 static wxString FileToPythonArray(wxString filename, int num)
 461 {
 462     wxString output;
 463     wxString tmp;
 464     wxString snum;
 465     wxFFile file(filename, wxT("rb"));
 466     size_t lng = file.Length();
 467
 468     snum.Printf(_T("%i"), num);
 469     output = _T("    xml_res_file_") + snum + _T(" = \"\"\"\\\n");
 470
 471     unsigned char *buffer = new unsigned char[lng];
 472     file.Read(buffer, lng);
 473
 474     for (size_t i = 0, linelng = 0; i < lng; i++)
 475     {
 476         unsigned char c = buffer[i];
 477         if (c == '\n')
 478         {
 479             tmp = (wxChar)c;
 480             linelng = 0;
 481         }
 482         else if (c < 32 || c > 127)
 483             tmp.Printf(_T("\\x%02x"), c);
 484         else if (c == '\\')
 485             tmp = _T("\\\\");
 486         else
 487             tmp = (wxChar)c;
 488         if (linelng > 70)
 489         {
 490             linelng = 0;
 491             output << _T("\\\n");
 492         }
 493         output << tmp;
 494         linelng += tmp.Length();
 495     }
 496
 497     delete[] buffer;
 498
 499     output += _T("\"\"\"\n\n");
 500
 501     return output;
 502 }
 503
 504
 505 void XmlResApp::MakePackagePython(const wxArrayString& flist)
 506 {
 507     wxFFile file(parOutput, wxT("wt"));
 508     size_t i;
 509
 510     if (flagVerbose)
 511         wxPrintf(_T("creating Python source file ") + parOutput +  _T("...\n"));
 512
 513     file.Write(
 514        _T("#\n")
 515        _T("# This file was automatically generated by wxrc, do not edit by hand.\n")
 516        _T("#\n\n")
 517        _T("from wxPython.wx import *\n")
 518        _T("from wxPython.xrc import *\n\n")
 519     );
 520
 521
 522     file.Write(_T("def ") + parFuncname + _T("():\n"));
 523
 524     for (i = 0; i < flist.Count(); i++)
 525         file.Write(
 526           FileToPythonArray(parOutputPath + wxFILE_SEP_PATH + flist[i], i));
 527
 528     for (i = 0; i < flist.Count(); i++)
 529     {
 530         wxString s;
 531         s.Printf(_T("    wxXmlResource_Get().LoadFromString(xml_res_file_%i)\n"), i);
 532         file.Write(s);
 533     }
 534 }
 535
 536
 537
 538 void XmlResApp::OutputGettext()
 539 {
 540     wxArrayString str = FindStrings();
 541
 542     wxFFile fout;
 543     if (!parOutput) fout.Attach(stdout);
 544     else fout.Open(parOutput, wxT("wt"));
 545
 546     for (size_t i = 0; i < str.GetCount(); i++)
 547         fout.Write(_T("_(\"") + str[i] + _T("\");\n"));
 548
 549     if (!parOutput) fout.Detach();
 550 }
 551
 552
 553
 554 wxArrayString XmlResApp::FindStrings()
 555 {
 556     wxArrayString arr, a2;
 557
 558     for (size_t i = 0; i < parFiles.Count(); i++)
 559     {
 560         if (flagVerbose)
 561             wxPrintf(_T("processing ") + parFiles[i] +  _T("...\n"));
 562
 563         wxXmlDocument doc;
 564         if (!doc.Load(parFiles[i]))
 565         {
 566             wxLogError(_T("Error parsing file ") + parFiles[i]);
 567             retCode = 1;
 568             continue;
 569         }
 570         a2 = FindStrings(doc.GetRoot());
 571         WX_APPEND_ARRAY(arr, a2);
 572     }
 573
 574     return arr;
 575 }
 576
 577
 578
 579 static wxString ConvertText(const wxString& str)
 580 {
 581     wxString str2;
 582     const wxChar *dt;
 583
 584     for (dt = str.c_str(); *dt; dt++)
 585     {
 586         if (*dt == wxT('_'))
 587         {
 588             if ( *(++dt) == wxT('_') )
 589                 str2 << wxT('_');
 590             else
 591                 str2 << wxT('&') << *dt;
 592         }
 593         else
 594         {
 595             switch (*dt)
 596             {
 597                 case wxT('\n') : str2 << wxT("\\n"); break;
 598                 case wxT('\t') : str2 << wxT("\\t"); break;
 599                 case wxT('\r') : str2 << wxT("\\r"); break;
 600                 case wxT('\\') : if ((*(dt+1) != 'n') &&
 601                                      (*(dt+1) != 't') &&
 602                                      (*(dt+1) != 'r'))
 603                                      str2 << wxT("\\\\");
 604                                  else
 605                                      str2 << wxT("\\");
 606                                  break;
 607                 case wxT('"')  : str2 << wxT("\\\""); break;
 608                 default        : str2 << *dt; break;
 609             }
 610         }
 611     }
 612
 613     return str2;
 614 }
 615
 616
 617 wxArrayString XmlResApp::FindStrings(wxXmlNode *node)
 618 {
 619     wxArrayString arr;
 620
 621     wxXmlNode *n = node;
 622     if (n == NULL) return arr;
 623     n = n->GetChildren();
 624
 625     while (n)
 626     {
 627         if ((node->GetType() == wxXML_ELEMENT_NODE) &&
 628             // parent is an element, i.e. has subnodes...
 629             (n->GetType() == wxXML_TEXT_NODE ||
 630             n->GetType() == wxXML_CDATA_SECTION_NODE) &&
 631             // ...it is textnode...
 632             (
 633                 node/*not n!*/->GetName() == _T("label") ||
 634                 (node/*not n!*/->GetName() == _T("value") &&
 635                                !n->GetContent().IsNumber()) ||
 636                 node/*not n!*/->GetName() == _T("help") ||
 637                 node/*not n!*/->GetName() == _T("longhelp") ||
 638                 node/*not n!*/->GetName() == _T("tooltip") ||
 639                 node/*not n!*/->GetName() == _T("htmlcode") ||
 640                 node/*not n!*/->GetName() == _T("title") ||
 641                 node/*not n!*/->GetName() == _T("item")
 642             ))
 643             // ...and known to contain translatable string
 644         {
 645             arr.Add(ConvertText(n->GetContent()));
 646         }
 647
 648         // subnodes:
 649         if (n->GetType() == wxXML_ELEMENT_NODE)
 650         {
 651             wxArrayString a2 = FindStrings(n);
 652             WX_APPEND_ARRAY(arr, a2);
 653         }
 654
 655         n = n->GetNext();
 656     }
 657     return arr;
 658 }