113 lines
2.6 KiB
C++
113 lines
2.6 KiB
C++
#include <cstdio>
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#include <cstring>
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#include <cerrno>
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#include <cstdint>
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#include <vector>
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#include <unistd.h>
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#include "common.hh"
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#include "util.hh"
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#include "IffFile.hh"
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void blobDump(Resource const& obj, std::string const& filename)
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{
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FILEUPtr file{fopen(filename.c_str(), "wb")};
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if (!file)
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throw POSIXException{errno, "Could not open file: " + filename};
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if (fwrite(obj.data(), obj.size(), 1, file.get()) != 1)
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throw POSIXException{errno, "Could not write"};
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}
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void iffDumper(IffFile::Object const& obj, bool dumpBlobs, std::string dumpPath, unsigned& blobCount, unsigned level = 0)
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{
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for (unsigned i = 0;i < level;++i)
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putchar('\t');
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printf("%s Length %lu (0x%.lx)", obj.getType().c_str(), obj.size(), obj.size());
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if (obj.isForm()) {
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auto& form = dynamic_cast<IffFile::Form const&>(obj);
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printf(", Subtype %s\n", form.getSubtype().c_str());
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for(auto it = form.childrenBegin();it != form.childrenEnd();++it)
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iffDumper(*it, dumpBlobs, dumpPath, blobCount, level+1);
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} else {
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try {
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printf(" = \"%s\"\n", static_cast<std::string>(obj).c_str());
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} catch(FormatException &ex) {
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if (dumpBlobs) {
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std::string filename{dumpPath};
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filename += obj.getType() + "-" + std::to_string(blobCount++);
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printf(" dump to %s\n", filename.c_str());
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blobDump(obj, filename);
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} else
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printf("\n");
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}
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}
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}
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void usage(char *argv0) {
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fprintf(stderr, "Usage: %s [-sh] [-d dest] iff-file\n", argv0);
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fprintf(stderr, "\t-s\tPrint the iff-file's structure\n");
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fprintf(stderr, "\t-d dest\tDump BLOBs as files to dest/\n");
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fprintf(stderr, "\t-h\tPrint this help\n");
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}
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int main(int argc, char *argv[])
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{
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bool printStructure = false, dumpBlobs = false;
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std::string dumpPath, iffFile;
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{
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int opt;
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while ((opt = getopt(argc, argv, "hsd:")) != -1) {
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switch (opt) {
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case 'h':
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usage(argv[0]);
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return 0;
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case 's':
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printStructure = true;
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break;
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case 'd':
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dumpPath = optarg;
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dumpBlobs = true;
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break;
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default:
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usage(argv[0]);
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return 1;
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}
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}
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if (optind >= argc) {
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usage(argv[0]);
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return 1;
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}
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iffFile = argv[optind];
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}
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try {
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MmapFile mmap{iffFile};
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IffFile iff{mmap};
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if (printStructure) {
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unsigned blobCount = 0, subdoc = 0;
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for (auto& root : iff) {
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printf("Subdocument %u:\n", subdoc++);
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iffDumper(root, dumpBlobs, dumpPath, blobCount);
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}
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}
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} catch (POSIXException &ex) {
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fflush(stdout);
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fprintf(stderr, "%s\n", ex.toString().c_str());
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return 2;
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} catch (FormatException &ex) {
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fflush(stdout);
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fprintf(stderr, "%s\n", ex.toString().c_str());
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return 3;
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}
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return 0;
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}
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