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/*************************************************************************** |
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* * |
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* libgig - C++ cross-platform Gigasampler format file access library * |
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* * |
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* Copyright (C) 2003-2014 by Christian Schoenebeck * |
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* <cuse@users.sourceforge.net> * |
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* * |
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* This program is part of libgig. * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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|
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#ifdef HAVE_CONFIG_H |
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#include <config.h> |
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#endif |
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|
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#include <stdio.h> |
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#include <iostream> |
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#include <string> |
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#include <cstdlib> |
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|
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#include "../RIFF.h" |
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|
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using namespace std; |
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|
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string Revision(); |
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void PrintVersion(); |
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void PrintUsage(); |
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void PrintChunkList(RIFF::List* list, bool PrintSize); |
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static uint32_t strToChunkID(string s); |
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|
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int main(int argc, char *argv[]) |
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{ |
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bool bPrintSize = false; |
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RIFF::endian_t endian = RIFF::endian_native; |
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RIFF::layout_t layout = RIFF::layout_standard; |
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bool bExpectFirstChunkID = false; |
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uint32_t uiExpectedFirstChunkID; |
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|
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// validate & parse arguments provided to this program |
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if (argc <= 1) { |
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PrintUsage(); |
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return EXIT_FAILURE; |
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} |
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int iArg; |
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for (iArg = 1; iArg < argc; ++iArg) { |
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const string opt = argv[iArg]; |
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if (opt == "--") { // common for all command line tools: separator between initial option arguments and i.e. subsequent file arguments |
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iArg++; |
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break; |
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} |
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if (opt.substr(0, 1) != "-") break; |
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|
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if (opt == "-v") { |
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PrintVersion(); |
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return EXIT_SUCCESS; |
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} else if (opt == "-s") { |
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bPrintSize = true; |
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} else if (opt == "--big-endian") { |
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endian = RIFF::endian_big; |
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} else if (opt == "--little-endian") { |
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endian = RIFF::endian_little; |
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} else if (opt == "--flat") { |
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layout = RIFF::layout_flat; |
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} else if (opt == "--first-chunk-id") { |
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iArg++; |
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if (iArg >= argc) { |
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PrintVersion(); |
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return EXIT_SUCCESS; |
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} |
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bExpectFirstChunkID = true; |
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uiExpectedFirstChunkID = strToChunkID(argv[iArg]); |
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} else { |
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cerr << "Unknown option '" << opt << "'" << endl; |
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cerr << endl; |
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PrintUsage(); |
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return EXIT_FAILURE; |
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} |
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} |
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|
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const int nFileArguments = argc - iArg; |
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if (nFileArguments != 1) { |
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cerr << "You must provide a file argument." << endl; |
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return EXIT_FAILURE; |
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} |
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const int FileArgIndex = iArg; |
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|
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FILE* hFile = fopen(argv[FileArgIndex], "r"); |
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if (!hFile) { |
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cerr << "Invalid file argument!" << endl; |
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return EXIT_FAILURE; |
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} |
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fclose(hFile); |
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try { |
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RIFF::File* riff = NULL; |
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switch (layout) { |
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case RIFF::layout_standard: |
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riff = new RIFF::File(argv[FileArgIndex]); |
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cout << "RIFF(" << riff->GetListTypeString() << ")->"; |
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break; |
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case RIFF::layout_flat: |
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if (!bExpectFirstChunkID) { |
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cerr << "If you are using '--flat' then you must also use '--first-chunk-id'." << endl; |
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return EXIT_FAILURE; |
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} |
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riff = new RIFF::File( |
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argv[FileArgIndex], uiExpectedFirstChunkID, endian, layout |
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); |
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cout << "Flat RIFF-alike file"; |
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break; |
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} |
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if (bPrintSize) cout << " (" << riff->GetSize() << " Bytes)"; |
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cout << endl; |
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PrintChunkList(riff, bPrintSize); |
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delete riff; |
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} |
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catch (RIFF::Exception e) { |
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e.PrintMessage(); |
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return EXIT_FAILURE; |
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} |
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catch (...) { |
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cerr << "Unknown exception while trying to parse file." << endl; |
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return EXIT_FAILURE; |
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} |
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|
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return EXIT_SUCCESS; |
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} |
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|
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void PrintChunkList(RIFF::List* list, bool PrintSize) { |
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RIFF::Chunk* ck = list->GetFirstSubChunk(); |
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while (ck != NULL) { |
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RIFF::Chunk* ckParent = ck; |
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while (ckParent->GetParent() != NULL) { |
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cout << " "; // e.g. 'LIST(INFO)->' |
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ckParent = ckParent->GetParent(); |
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} |
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cout << ck->GetChunkIDString(); |
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switch (ck->GetChunkID()) { |
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case CHUNK_ID_LIST: case CHUNK_ID_RIFF: |
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{ |
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RIFF::List* l = (RIFF::List*) ck; |
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cout << "(" << l->GetListTypeString() << ")->"; |
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if (PrintSize) cout << " (" << l->GetSize() << " Bytes)"; |
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cout << endl; |
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PrintChunkList(l, PrintSize); |
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break; |
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} |
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default: |
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cout << ";"; |
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if (PrintSize) cout << " (" << ck->GetSize() << " Bytes)"; |
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cout << endl; |
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} |
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ck = list->GetNextSubChunk(); |
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} |
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} |
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|
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static uint32_t strToChunkID(string s) { |
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if (s.size() != 4) { |
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cerr << "Argument after '--first-chunk-id' must be exactly 4 characters long." << endl; |
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exit(-1); |
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} |
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uint32_t result = 0; |
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for (int i = 0; i < 4; ++i) { |
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uint32_t byte = s[i]; |
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result |= byte << i*8; |
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} |
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return result; |
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} |
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|
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string Revision() { |
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string s = "$Revision$"; |
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return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
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} |
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|
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void PrintVersion() { |
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cout << "rifftree revision " << Revision() << endl; |
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cout << "using " << RIFF::libraryName() << " " << RIFF::libraryVersion() << endl; |
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} |
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|
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void PrintUsage() { |
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cout << "rifftree - parses an arbitrary RIFF file and prints out the RIFF tree structure." << endl; |
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cout << endl; |
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cout << "Usage: rifftree [OPTIONS] FILE" << endl; |
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cout << endl; |
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cout << "Options:" << endl; |
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cout << endl; |
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cout << " -v Print version and exit." << endl; |
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cout << endl; |
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cout << " -s Print the size of each chunk." << endl; |
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cout << endl; |
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cout << " --flat" << endl; |
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cout << " First chunk of file is not a list (container) chunk." << endl; |
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cout << endl; |
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cout << " --first-chunk-id CKID" << endl; |
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cout << " 32 bit chunk ID of very first chunk in file." << endl; |
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cout << endl; |
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cout << " --big-endian" << endl; |
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cout << " File is in big endian format." << endl; |
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cout << endl; |
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cout << " --little-endian" << endl; |
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cout << " File is in little endian format." << endl; |
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cout << endl; |
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} |
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