25개 이상의 토픽을 선택하실 수 없습니다.
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
282 lines
6.3 KiB
282 lines
6.3 KiB
//----------------------------------------------
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// NGUI: Next-Gen UI kit
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// Copyright © 2011-2014 Tasharen Entertainment
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//----------------------------------------------
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using UnityEngine;
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using System.Text;
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using System.Collections.Generic;
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using System.IO;
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/// <summary>
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/// MemoryStream.ReadLine has an interesting oddity: it doesn't always advance the stream's position by the correct amount:
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/// http://social.msdn.microsoft.com/Forums/en-AU/Vsexpressvcs/thread/b8f7837b-e396-494e-88e1-30547fcf385f
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/// Solution? Custom line reader with the added benefit of not having to use streams at all.
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/// </summary>
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public class ByteReader
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{
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byte[] mBuffer;
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int mOffset = 0;
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public ByteReader (byte[] bytes) { mBuffer = bytes; }
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public ByteReader (TextAsset asset) { mBuffer = asset.bytes; }
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/// <summary>
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/// Read the contents of the specified file and return a Byte Reader to work with.
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/// </summary>
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static public ByteReader Open (string path)
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{
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#if UNITY_EDITOR || (!UNITY_FLASH && !NETFX_CORE && !UNITY_WP8)
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FileStream fs = File.OpenRead(path);
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if (fs != null)
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{
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fs.Seek(0, SeekOrigin.End);
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byte[] buffer = new byte[fs.Position];
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fs.Seek(0, SeekOrigin.Begin);
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fs.Read(buffer, 0, buffer.Length);
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fs.Close();
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return new ByteReader(buffer);
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}
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#endif
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return null;
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}
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/// <summary>
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/// Whether the buffer is readable.
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/// </summary>
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public bool canRead { get { return (mBuffer != null && mOffset < mBuffer.Length); } }
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/// <summary>
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/// Read a single line from the buffer.
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/// </summary>
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static string ReadLine (byte[] buffer, int start, int count)
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{
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#if UNITY_FLASH
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// Encoding.UTF8 is not supported in Flash :(
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StringBuilder sb = new StringBuilder();
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int max = start + count;
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for (int i = start; i < max; ++i)
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{
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byte byte0 = buffer[i];
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if ((byte0 & 128) == 0)
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{
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// If an UCS fits 7 bits, its coded as 0xxxxxxx. This makes ASCII character represented by themselves
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sb.Append((char)byte0);
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}
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else if ((byte0 & 224) == 192)
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{
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// If an UCS fits 11 bits, it is coded as 110xxxxx 10xxxxxx
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if (++i == count) break;
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byte byte1 = buffer[i];
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int ch = (byte0 & 31) << 6;
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ch |= (byte1 & 63);
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sb.Append((char)ch);
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}
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else if ((byte0 & 240) == 224)
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{
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// If an UCS fits 16 bits, it is coded as 1110xxxx 10xxxxxx 10xxxxxx
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if (++i == count) break;
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byte byte1 = buffer[i];
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if (++i == count) break;
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byte byte2 = buffer[i];
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if (byte0 == 0xEF && byte1 == 0xBB && byte2 == 0xBF)
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{
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// Byte Order Mark -- generally the first 3 bytes in a Windows-saved UTF-8 file. Skip it.
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}
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else
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{
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int ch = (byte0 & 15) << 12;
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ch |= (byte1 & 63) << 6;
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ch |= (byte2 & 63);
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sb.Append((char)ch);
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}
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}
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else if ((byte0 & 248) == 240)
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{
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// If an UCS fits 21 bits, it is coded as 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
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if (++i == count) break;
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byte byte1 = buffer[i];
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if (++i == count) break;
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byte byte2 = buffer[i];
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if (++i == count) break;
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byte byte3 = buffer[i];
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int ch = (byte0 & 7) << 18;
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ch |= (byte1 & 63) << 12;
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ch |= (byte2 & 63) << 6;
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ch |= (byte3 & 63);
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sb.Append((char)ch);
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}
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}
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return sb.ToString();
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#else
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return Encoding.UTF8.GetString(buffer, start, count);
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#endif
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}
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/// <summary>
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/// Read a single line from the buffer.
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/// </summary>
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public string ReadLine () { return ReadLine(true); }
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/// <summary>
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/// Read a single line from the buffer.
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/// </summary>
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public string ReadLine (bool skipEmptyLines)
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{
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int max = mBuffer.Length;
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// Skip empty characters
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if (skipEmptyLines)
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{
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while (mOffset < max && mBuffer[mOffset] < 32) ++mOffset;
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}
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int end = mOffset;
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if (end < max)
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{
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for (; ; )
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{
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if (end < max)
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{
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int ch = mBuffer[end++];
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if (ch != '\n' && ch != '\r') continue;
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}
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else ++end;
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string line = ReadLine(mBuffer, mOffset, end - mOffset - 1);
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mOffset = end;
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return line;
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}
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}
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mOffset = max;
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return null;
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}
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/// <summary>
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/// Assume that the entire file is a collection of key/value pairs.
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/// </summary>
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public Dictionary<string, string> ReadDictionary ()
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{
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Dictionary<string, string> dict = new Dictionary<string, string>();
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char[] separator = new char[] { '=' };
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while (canRead)
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{
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string line = ReadLine();
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if (line == null) break;
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if (line.StartsWith("//")) continue;
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#if UNITY_FLASH
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string[] split = line.Split(separator, System.StringSplitOptions.RemoveEmptyEntries);
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#else
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string[] split = line.Split(separator, 2, System.StringSplitOptions.RemoveEmptyEntries);
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#endif
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if (split.Length == 2)
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{
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string key = split[0].Trim();
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string val = split[1].Trim().Replace("\\n", "\n");
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dict[key] = val;
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}
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}
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return dict;
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}
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static BetterList<string> mTemp = new BetterList<string>();
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/// <summary>
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/// Read a single line of Comma-Separated Values from the file.
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/// </summary>
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public BetterList<string> ReadCSV ()
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{
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mTemp.Clear();
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string line = "";
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bool insideQuotes = false;
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int wordStart = 0;
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while (canRead)
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{
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if (insideQuotes)
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{
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string s = ReadLine(false);
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if (s == null) return null;
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s = s.Replace("\\n", "\n");
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line += "\n" + s;
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++wordStart;
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}
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else
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{
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line = ReadLine(true);
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if (line == null) return null;
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line = line.Replace("\\n", "\n");
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wordStart = 0;
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}
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for (int i = wordStart, imax = line.Length; i < imax; ++i)
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{
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char ch = line[i];
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if (ch == ',')
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{
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if (!insideQuotes)
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{
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mTemp.Add(line.Substring(wordStart, i - wordStart));
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wordStart = i + 1;
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}
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}
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else if (ch == '"')
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{
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if (insideQuotes)
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{
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if (i + 1 >= imax)
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{
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mTemp.Add(line.Substring(wordStart, i - wordStart).Replace("\"\"", "\""));
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return mTemp;
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}
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if (line[i + 1] != '"')
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{
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mTemp.Add(line.Substring(wordStart, i - wordStart).Replace("\"\"", "\""));
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insideQuotes = false;
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if (line[i + 1] == ',')
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{
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++i;
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wordStart = i + 1;
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}
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}
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else ++i;
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}
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else
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{
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wordStart = i + 1;
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insideQuotes = true;
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}
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}
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}
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if (wordStart < line.Length)
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{
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if (insideQuotes) continue;
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mTemp.Add(line.Substring(wordStart, line.Length - wordStart));
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}
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return mTemp;
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}
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return null;
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}
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}
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