C++ SaveFileManager::listSavefiles方法代码示例

SaveStateList SciMetaEngine::listSaves(const char *target) const {
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	Common::StringArray filenames;
	Common::String pattern = target;
	pattern += ".???";

	filenames = saveFileMan->listSavefiles(pattern);
	sort(filenames.begin(), filenames.end());	// Sort (hopefully ensuring we are sorted numerically..)

	SaveStateList saveList;
	int slotNum = 0;
	for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
		// Obtain the last 3 digits of the filename, since they correspond to the save slot
		slotNum = atoi(file->c_str() + file->size() - 3);

		if (slotNum >= 0 && slotNum <= 99) {
			Common::InSaveFile *in = saveFileMan->openForLoading(*file);
			if (in) {
				SavegameMetadata meta;
				if (!get_savegame_metadata(in, &meta)) {
					// invalid
					delete in;
					continue;
				}
				saveList.push_back(SaveStateDescriptor(slotNum, meta.name));
				delete in;
			}
		}
	}

	return saveList;
}

SaveStateList GrimMetaEngine::listSaves(const char *target) const {
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	Common::StringArray filenames;
	Common::String targetString(target);
	Common::String pattern = targetString.hasPrefix("monkey4") ? "efmi*.gsv" : "grim*.gsv";

	filenames = saveFileMan->listSavefiles(pattern);

	SaveStateList saveList;
	char str[256];
	int32 strSize;
	for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
		// Obtain the last digits of the filename, since they correspond to the save slot
		int slotNum = atoi(file->c_str() + 4);

		if (slotNum >= 0) {
			SaveGame *savedState = SaveGame::openForLoading(*file);
			if (savedState && savedState->isCompatible()) {
				savedState->beginSection('SUBS');
				strSize = savedState->readLESint32();
				savedState->read(str, strSize);
				savedState->endSection();
				saveList.push_back(SaveStateDescriptor(slotNum, str));
			}
			delete savedState;
		}
	}

	Common::sort(saveList.begin(), saveList.end(), cmpSave);
	return saveList;
}

SaveStateList SwordMetaEngine::listSaves(const char *target) const {
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	SaveStateList saveList;
	char saveName[40];

	Common::StringArray filenames = saveFileMan->listSavefiles("sword1.???");
	sort(filenames.begin(), filenames.end());   // Sort (hopefully ensuring we are sorted numerically..)

	int slotNum = 0;
	for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
		// Obtain the last 3 digits of the filename, since they correspond to the save slot
		slotNum = atoi(file->c_str() + file->size() - 3);

		if (slotNum >= 0 && slotNum <= 999) {
			Common::InSaveFile *in = saveFileMan->openForLoading(*file);
			if (in) {
				in->readUint32LE(); // header
				in->read(saveName, 40);
				saveList.push_back(SaveStateDescriptor(slotNum, saveName));
				delete in;
			}
		}
	}

	return saveList;
}

SaveStateList QueenMetaEngine::listSaves(const char *target) const {
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	Common::StringArray filenames;
	char saveDesc[32];
	Common::String pattern("queen.s??");

	filenames = saveFileMan->listSavefiles(pattern);
	sort(filenames.begin(), filenames.end());	// Sort (hopefully ensuring we are sorted numerically..)

	SaveStateList saveList;
	for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
		// Obtain the last 2 digits of the filename, since they correspond to the save slot
		int slotNum = atoi(file->c_str() + file->size() - 2);

		if (slotNum >= 0 && slotNum <= 99) {
			Common::InSaveFile *in = saveFileMan->openForLoading(*file);
			if (in) {
				for (int i = 0; i < 4; i++)
					in->readUint32BE();
				in->read(saveDesc, 32);
				saveList.push_back(SaveStateDescriptor(slotNum, saveDesc));
				delete in;
			}
		}
	}

	return saveList;
}

SaveStateList CProjectItem::getSavegameList(const Common::String &target) {
    Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
    Common::StringArray filenames;
    Common::String saveDesc;
    Common::String pattern = Common::String::format("%s.0??", target.c_str());
    TitanicSavegameHeader header;

    filenames = saveFileMan->listSavefiles(pattern);
    sort(filenames.begin(), filenames.end());   // Sort to get the files in numerical order

    SaveStateList saveList;
    for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
        const char *ext = strrchr(file->c_str(), '.');
        int slot = ext ? atoi(ext + 1) : -1;

        if (slot >= 0 && slot < MAX_SAVEGAME_SLOTS) {
            Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(*file);

            if (in) {
                SimpleFile f;
                f.open(in);
                if (!readSavegameHeader(&f, header))
                    continue;

                saveList.push_back(SaveStateDescriptor(slot, header._saveName));

                header._thumbnail->free();
                delete header._thumbnail;
                delete in;
            }
        }
    }

    return saveList;
}

SaveStateList AgosMetaEngine::listSaves(const char *target) const {
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	Common::StringArray filenames;
	Common::String saveDesc;
	Common::String pattern = target;
	pattern += ".###";

	filenames = saveFileMan->listSavefiles(pattern);

	SaveStateList saveList;
	for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
		// Obtain the last 3 digits of the filename, since they correspond to the save slot
		int slotNum = atoi(file->c_str() + file->size() - 3);

		if (slotNum >= 0 && slotNum <= 999) {
			Common::InSaveFile *in = saveFileMan->openForLoading(*file);
			if (in) {
				saveDesc = file->c_str();
				saveList.push_back(SaveStateDescriptor(slotNum, saveDesc));
				delete in;
			}
		}
	}

	// Sort saves based on slot number.
	Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator());
	return saveList;
}

void PictureMetaEngine::removeSaveState(const char *target, int slot) const {
    // Slot 0 can't be deleted, it's for restarting the game(s)
    if (slot == 0)
        return;

    Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
    Common::String filename = Picture::PictureEngine::getSavegameFilename(target, slot);

    saveFileMan->removeSavefile(filename.c_str());

    Common::StringArray filenames;
    Common::String pattern = target;
    pattern += ".???";
    filenames = saveFileMan->listSavefiles(pattern.c_str());
    Common::sort(filenames.begin(), filenames.end());	// Sort (hopefully ensuring we are sorted numerically..)

    for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
        // Obtain the last 3 digits of the filename, since they correspond to the save slot
        int slotNum = atoi(file->c_str() + file->size() - 3);

        // Rename every slot greater than the deleted slot,
        // Also do not rename quicksaves.
        if (slotNum > slot && slotNum < 990) {
            // FIXME: Our savefile renaming done here is inconsitent with what we do in
            // GUI_v2::deleteMenu. While here we rename every slot with a greater equal
            // number of the deleted slot to deleted slot, deleted slot + 1 etc.,
            // we only rename the following slots in GUI_v2::deleteMenu until a slot
            // is missing.
            saveFileMan->renameSavefile(file->c_str(), filename.c_str());

            filename = Picture::PictureEngine::getSavegameFilename(target, ++slot);
        }
    }

}

SaveStateList PictureMetaEngine::listSaves(const char *target) const {
    Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
    Picture::PictureEngine::SaveHeader header;
    Common::String pattern = target;
    pattern += ".???";

    Common::StringArray filenames;
    filenames = saveFileMan->listSavefiles(pattern.c_str());
    Common::sort(filenames.begin(), filenames.end());	// Sort (hopefully ensuring we are sorted numerically..)

    SaveStateList saveList;
    for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); file++) {
        // Obtain the last 3 digits of the filename, since they correspond to the save slot
        int slotNum = atoi(file->c_str() + file->size() - 3);

        if (slotNum >= 0 && slotNum <= 999) {
            Common::InSaveFile *in = saveFileMan->openForLoading(file->c_str());
            if (in) {
                if (Picture::PictureEngine::readSaveHeader(in, false, header) == Picture::PictureEngine::kRSHENoError) {
                    saveList.push_back(SaveStateDescriptor(slotNum, header.description));
                }
                delete in;
            }
        }
    }

    return saveList;
}

SaveStateList AvalancheMetaEngine::listSaves(const char *target) const {
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	Common::StringArray filenames;
	Common::String pattern = target;
	pattern.toUppercase();
	pattern += ".???";

	filenames = saveFileMan->listSavefiles(pattern);
	sort(filenames.begin(), filenames.end());   // Sort (hopefully ensuring we are sorted numerically..)

	SaveStateList saveList;
	for (Common::StringArray::const_iterator filename = filenames.begin(); filename != filenames.end(); ++filename) {
		const Common::String &fname = *filename;
		int slotNum = atoi(fname.c_str() + fname.size() - 3);
		if (slotNum >= 0 && slotNum <= getMaximumSaveSlot()) {
			Common::InSaveFile *file = saveFileMan->openForLoading(fname);
			if (file) {
				// Check for our signature.
				uint32 signature = file->readUint32LE();
				if (signature != MKTAG('A', 'V', 'A', 'L')) {
					warning("Savegame of incompatible type!");
					delete file;
					continue;
				}

				// Check version.
				byte saveVersion = file->readByte();
				if (saveVersion != kSavegameVersion) {
					warning("Savegame of incompatible version!");
					delete file;
					continue;
				}

				// Read name.
				uint32 nameSize = file->readUint32LE();
				if (nameSize >= 255) {
					delete file;
					continue;
				}
				char *name = new char[nameSize + 1];
				file->read(name, nameSize);
				name[nameSize] = 0;

				saveList.push_back(SaveStateDescriptor(slotNum, name));
				delete[] name;
				delete file;
			}
		}
	}

	return saveList;
}

    virtual SaveStateList listSaves(const char *target) const {
        Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
        Common::String pattern = Common::String::format("%s??", target);

        // Get list of savefiles for target game
        Common::StringArray filenames = saveFileMan->listSavefiles(pattern);
        Common::Array<int> slots;
        for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {

            // Obtain the last 2 digits of the filename, since they correspond to the save slot
            int slotNum = atoi(file->c_str() + file->size() - 2);

            // Ensure save slot is within valid range
            if (slotNum >= 1 && slotNum <= 10) {
                slots.push_back(slotNum);
            }
        }

        // Sort save slot ids
        Common::sort<int>(slots.begin(), slots.end());

        // Load save index
        Common::String fileEpa = Common::String::format("%s.epa", target);
        Common::InSaveFile *epa = saveFileMan->openForLoading(fileEpa);

        // Get savegame names from index
        Common::String saveDesc;
        SaveStateList saveList;
        int line = 1;
        for (uint i = 0; i < slots.size(); i++) {
            // ignore lines corresponding to unused saveslots
            for (; line < slots[i]; line++)
                epa->readLine();

            // copy the name in the line corresponding to the save slot and truncate to 22 characters
            saveDesc = Common::String(epa->readLine().c_str(), 22);

            // handle cases where the save directory and save index are detectably out of sync
            if (saveDesc == "*")
                saveDesc = "No name specified.";

            // increment line number to keep it in sync with slot number
            line++;

            // Insert savegame name into list
            saveList.push_back(SaveStateDescriptor(slots[i], saveDesc));
        }
        delete epa;

        return saveList;
    }

SaveStateList SkyMetaEngine::listSaves(const char *target) const {
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	SaveStateList saveList;

	// Load the descriptions
	Common::StringArray savenames;
	savenames.resize(MAX_SAVE_GAMES+1);

	Common::InSaveFile *inf;
	inf = saveFileMan->openForLoading("SKY-VM.SAV");
	if (inf != NULL) {
		char *tmpBuf =  new char[MAX_SAVE_GAMES * MAX_TEXT_LEN];
		char *tmpPtr = tmpBuf;
		inf->read(tmpBuf, MAX_SAVE_GAMES * MAX_TEXT_LEN);
		for (int i = 0; i < MAX_SAVE_GAMES; ++i) {
			savenames[i] = tmpPtr;
			tmpPtr += savenames[i].size() + 1;
		}
		delete inf;
		delete[] tmpBuf;
	}

	// Find all saves
	Common::StringArray filenames;
	filenames = saveFileMan->listSavefiles("SKY-VM.???");
	sort(filenames.begin(), filenames.end());	// Sort (hopefully ensuring we are sorted numerically..)

	// Slot 0 is the autosave, if it exists.
	// TODO: Check for the existence of the autosave -- but this require us
	// to know which SKY variant we are looking at.
	saveList.insert_at(0, SaveStateDescriptor(0, "*AUTOSAVE*"));

	// Prepare the list of savestates by looping over all matching savefiles
	for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
		// Extract the extension
		Common::String ext = file->c_str() + file->size() - 3;
		ext.toUppercase();
		if (Common::isDigit(ext[0]) && Common::isDigit(ext[1]) && Common::isDigit(ext[2])) {
			int slotNum = atoi(ext.c_str());
			Common::InSaveFile *in = saveFileMan->openForLoading(*file);
			if (in) {
				saveList.push_back(SaveStateDescriptor(slotNum+1, savenames[slotNum]));
				delete in;
			}
		}
	}

	return saveList;
}

SaveStateList CGEMetaEngine::listSaves(const char *target) const {
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	Common::StringArray filenames;
	Common::String pattern = target;
	pattern += ".???";

	filenames = saveFileMan->listSavefiles(pattern);
	sort(filenames.begin(), filenames.end());   // Sort (hopefully ensuring we are sorted numerically..)

	SaveStateList saveList;
	int slotNum = 0;
	for (Common::StringArray::const_iterator filename = filenames.begin(); filename != filenames.end(); ++filename) {
		// Obtain the last 3 digits of the filename, since they correspond to the save slot
		slotNum = atoi(filename->c_str() + filename->size() - 3);

		if (slotNum >= 0 && slotNum <= 99) {

			Common::InSaveFile *file = saveFileMan->openForLoading(*filename);
			if (file) {
				CGE::SavegameHeader header;

				// Check to see if it's a ScummVM savegame or not
				char buffer[kSavegameStrSize + 1];
				file->read(buffer, kSavegameStrSize + 1);

				if (!strncmp(buffer, CGE::savegameStr, kSavegameStrSize + 1)) {
					// Valid savegame
					if (CGE::CGEEngine::readSavegameHeader(file, header)) {
						saveList.push_back(SaveStateDescriptor(slotNum, header.saveName));
						if (header.thumbnail) {
							header.thumbnail->free();
							delete header.thumbnail;
						}
					}
				} else {
					// Must be an original format savegame
					saveList.push_back(SaveStateDescriptor(slotNum, "Unknown"));
				}

				delete file;
			}
		}
	}

	return saveList;
}

SaveStateList CineMetaEngine::listSaves(const char *target) const {
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	SaveStateList saveList;

	Common::String pattern = target;
	pattern += ".?";
	Common::StringArray filenames = saveFileMan->listSavefiles(pattern);
	sort(filenames.begin(), filenames.end());
	Common::StringArray::const_iterator file;

	Common::String filename = target;
	filename += ".dir";
	Common::InSaveFile *in = saveFileMan->openForLoading(filename);
	if (in) {
		typedef char CommandeType[20];
		CommandeType saveNames[10];

		// Initialize all savegames' descriptions to empty strings
		// so that if the savegames' descriptions can only be partially read from file
		// then the missing ones are correctly set to empty strings.
		memset(saveNames, 0, sizeof(saveNames));

		in->read(saveNames, 10 * 20);
		CommandeType saveDesc;

		for (file = filenames.begin(); file != filenames.end(); ++file) {
			// Jump over savegame files that don't end with a digit (e.g. "fw.3" is ok, "fw.a" is not).
			if (!isdigit(file->lastChar()))
				continue;

			// Obtain the last digit of the filename, since they correspond to the save slot
			int slotNum = atoi(file->c_str() + file->size() - 1);

			// Copy the savegame description making sure it ends with a trailing zero
			strncpy(saveDesc, saveNames[slotNum], 20);
			saveDesc[sizeof(CommandeType) - 1] = 0;

			saveList.push_back(SaveStateDescriptor(slotNum, saveDesc));
		}
	}

	delete in;

	return saveList;
}

void FileBrowserDialog::updateListing() {
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();

	ListWidget::StringArray list;

	Common::StringArray filenames = saveFileMan->listSavefiles(_fileMask);
	Common::sort(filenames.begin(), filenames.end());

	for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
		list.push_back(file->c_str());
	}

	_fileList->setList(list);
	_fileList->scrollTo(0);

	// Finally, redraw
	draw();
}

void L1_FileFindFirst() {
	lua_Object extObj = lua_getparam(1);
	if (!lua_isstring(extObj)) {
		lua_pushnil();
		return;
	}

	L1_FileFindDispose();

	const char *extension = lua_getstring(extObj);
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	g_grim->_listFiles = saveFileMan->listSavefiles(extension);
	g_grim->_listFilesIter = g_grim->_listFiles.begin();

	if (g_grim->_listFilesIter == g_grim->_listFiles.end())
		lua_pushnil();
	else
		L1_FileFindNext();
}