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https://github.com/claunia/SabreTools.git
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2209d0a13b
This DOES group some kinds of DAT due to their inherently similar nature. TSV and CSV are under the same "SeparatedValue" umbrella, and all of the SFV, MD5, SHA1, etc are under Hashfile because they're nearly identical. This is just the first stage change, making everything static and making them reference the DatFile separately.
271 lines
8.3 KiB
C#
271 lines
8.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using SabreTools.Library.Data;
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using SabreTools.Library.Items;
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using SabreTools.Library.Tools;
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#if MONO
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using System.IO;
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#else
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using Alphaleonis.Win32.Filesystem;
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using FileStream = System.IO.FileStream;
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using StreamReader = System.IO.StreamReader;
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using StreamWriter = System.IO.StreamWriter;
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#endif
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using NaturalSort;
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namespace SabreTools.Library.DatFiles
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{
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/// <summary>
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/// Represents parsing and writing of a hashfile such as an SFV, MD5, or SHA-1 file
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/// </summary>
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public class Hashfile
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{
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/// <summary>
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/// Parse a hashfile or SFV and return all found games and roms within
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/// </summary>
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/// <param name="datFile">DatFile to populate with the read information</param>
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/// <param name="filename">Name of the file to be parsed</param>
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/// <param name="sysid">System ID for the DAT</param>
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/// <param name="srcid">Source ID for the DAT</param>
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/// <param name="hashtype">Hash type that should be assumed</param>
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/// <param name="clean">True if game names are sanitized, false otherwise (default)</param>
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/// <param name="remUnicode">True if we should remove non-ASCII characters from output, false otherwise (default)</param>
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public static void Parse(
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DatFile datFile,
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// Standard Dat parsing
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string filename,
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int sysid,
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int srcid,
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// Specific to hash files
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Hash hashtype,
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// Miscellaneous
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bool clean,
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bool remUnicode)
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{
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// Open a file reader
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Encoding enc = Style.GetEncoding(filename);
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StreamReader sr = new StreamReader(FileTools.TryOpenRead(filename), enc);
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while (!sr.EndOfStream)
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{
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string line = sr.ReadLine();
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// Split the line and get the name and hash
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string[] split = line.Split(' ');
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string name = "";
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string hash = "";
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// If we have CRC, then it's an SFV file and the name is first are
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if ((hashtype & Hash.CRC) != 0)
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{
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name = split[0].Replace("*", String.Empty);
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hash = split[1];
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}
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// Otherwise, the name is second
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else
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{
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name = split[1].Replace("*", String.Empty);
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hash = split[0];
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}
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Rom rom = new Rom
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{
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Name = name,
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Size = -1,
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CRC = ((hashtype & Hash.CRC) != 0 ? hash : null),
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MD5 = ((hashtype & Hash.MD5) != 0 ? hash : null),
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SHA1 = ((hashtype & Hash.SHA1) != 0 ? hash : null),
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SHA256 = ((hashtype & Hash.SHA256) != 0 ? hash : null),
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SHA384 = ((hashtype & Hash.SHA384) != 0 ? hash : null),
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SHA512 = ((hashtype & Hash.SHA512) != 0 ? hash : null),
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ItemStatus = ItemStatus.None,
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MachineName = Path.GetFileNameWithoutExtension(filename),
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SystemID = sysid,
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SourceID = srcid,
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};
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// Now process and add the rom
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datFile.ParseAddHelper(rom, clean, remUnicode);
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}
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sr.Dispose();
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}
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/// <summary>
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/// Create and open an output file for writing direct from a dictionary
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/// </summary>
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/// <param name="datFile">DatFile to write out from</param>
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/// <param name="outfile">Name of the file to write to</param>
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/// <param name="hash">Hash that should be written out</param>
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/// <param name="ignoreblanks">True if blank roms should be skipped on output, false otherwise (default)</param>
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/// <returns>True if the DAT was written correctly, false otherwise</returns>
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public static bool WriteToFile(DatFile datFile, string outfile, Hash hash, bool ignoreblanks = false)
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{
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try
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{
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Globals.Logger.User("Opening file for writing: {0}", outfile);
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FileStream fs = FileTools.TryCreate(outfile);
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// If we get back null for some reason, just log and return
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if (fs == null)
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{
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Globals.Logger.Warning("File '{0}' could not be created for writing! Please check to see if the file is writable", outfile);
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return false;
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}
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StreamWriter sw = new StreamWriter(fs, new UTF8Encoding(true));
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// Get a properly sorted set of keys
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List<string> keys = datFile.Keys.ToList();
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keys.Sort(new NaturalComparer());
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foreach (string key in keys)
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{
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List<DatItem> roms = datFile[key];
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// Resolve the names in the block
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roms = DatItem.ResolveNames(roms);
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for (int index = 0; index < roms.Count; index++)
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{
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DatItem rom = roms[index];
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// There are apparently times when a null rom can skip by, skip them
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if (rom.Name == null || rom.MachineName == null)
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{
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Globals.Logger.Warning("Null rom found!");
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continue;
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}
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// If we have a "null" game (created by DATFromDir or something similar), log it to file
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if (rom.Type == ItemType.Rom
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&& ((Rom)rom).Size == -1
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&& ((Rom)rom).CRC == "null")
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{
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Globals.Logger.Verbose("Empty folder found: {0}", rom.MachineName);
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}
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// Now, output the rom data
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WriteRomData(datFile, sw, hash, rom, ignoreblanks);
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}
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}
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Globals.Logger.Verbose("File written!" + Environment.NewLine);
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sw.Dispose();
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fs.Dispose();
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}
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catch (Exception ex)
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{
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Globals.Logger.Error(ex.ToString());
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return false;
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}
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return true;
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}
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/// <summary>
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/// Write out RomData using the supplied StreamWriter
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/// </summary>
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/// <param name="datFile">DatFile to write out from</param>
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/// <param name="sw">StreamWriter to output to</param>
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/// <param name="hash">Hash that should be written out</param>
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/// <param name="rom">RomData object to be output</param>
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/// <param name="ignoreblanks">True if blank roms should be skipped on output, false otherwise (default)</param>
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/// <returns>True if the data was written, false on error</returns>
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private static bool WriteRomData(DatFile datFile, StreamWriter sw, Hash hash, DatItem rom, bool ignoreblanks = false)
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{
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// If we are in ignore blanks mode AND we have a blank (0-size) rom, skip
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if (ignoreblanks
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&& (rom.Type == ItemType.Rom
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&& (((Rom)rom).Size == 0 || ((Rom)rom).Size == -1)))
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{
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return true;
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}
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try
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{
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string state = "";
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switch (hash)
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{
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case Hash.MD5:
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if (rom.Type == ItemType.Rom)
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{
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state += ((Rom)rom).MD5 + " *" + (datFile.GameName ? rom.MachineName + Path.DirectorySeparatorChar : "") + rom.Name + "\n";
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}
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else if (rom.Type == ItemType.Disk)
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{
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state += ((Disk)rom).MD5 + " *" + (datFile.GameName ? rom.MachineName + Path.DirectorySeparatorChar : "") + rom.Name + "\n";
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}
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break;
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case Hash.CRC:
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if (rom.Type == ItemType.Rom)
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{
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state += (datFile.GameName ? rom.MachineName + Path.DirectorySeparatorChar : "") + rom.Name + " " + ((Rom)rom).CRC + "\n";
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}
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break;
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case Hash.SHA1:
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if (rom.Type == ItemType.Rom)
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{
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state += ((Rom)rom).SHA1 + " *" + (datFile.GameName ? rom.MachineName + Path.DirectorySeparatorChar : "") + rom.Name + "\n";
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}
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else if (rom.Type == ItemType.Disk)
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{
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state += ((Disk)rom).SHA1 + " *" + (datFile.GameName ? rom.MachineName + Path.DirectorySeparatorChar : "") + rom.Name + "\n";
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}
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break;
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case Hash.SHA256:
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if (rom.Type == ItemType.Rom)
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{
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state += ((Rom)rom).SHA256 + " *" + (datFile.GameName ? rom.MachineName + Path.DirectorySeparatorChar : "") + rom.Name + "\n";
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}
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else if (rom.Type == ItemType.Disk)
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{
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state += ((Disk)rom).SHA256 + " *" + (datFile.GameName ? rom.MachineName + Path.DirectorySeparatorChar : "") + rom.Name + "\n";
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}
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break;
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case Hash.SHA384:
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if (rom.Type == ItemType.Rom)
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{
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state += ((Rom)rom).SHA384 + " *" + (datFile.GameName ? rom.MachineName + Path.DirectorySeparatorChar : "") + rom.Name + "\n";
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}
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else if (rom.Type == ItemType.Disk)
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{
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state += ((Disk)rom).SHA384 + " *" + (datFile.GameName ? rom.MachineName + Path.DirectorySeparatorChar : "") + rom.Name + "\n";
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}
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break;
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case Hash.SHA512:
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if (rom.Type == ItemType.Rom)
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{
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state += ((Rom)rom).SHA512 + " *" + (datFile.GameName ? rom.MachineName + Path.DirectorySeparatorChar : "") + rom.Name + "\n";
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}
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else if (rom.Type == ItemType.Disk)
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{
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state += ((Disk)rom).SHA512 + " *" + (datFile.GameName ? rom.MachineName + Path.DirectorySeparatorChar : "") + rom.Name + "\n";
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}
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break;
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}
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sw.Write(state);
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sw.Flush();
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}
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catch (Exception ex)
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{
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Globals.Logger.Error(ex.ToString());
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return false;
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}
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return true;
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}
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}
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}
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