Tungdv
260 lines
9.8 KiB
C#
260 lines
9.8 KiB
C#
using System;
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using System.IO;
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using ModelRenderer.Scripts.Common;
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namespace BrewMonster.Common
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{
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public struct SCRIPTINFO
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{
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public byte[] pFileBuf; // Pointer to file data buffer
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public byte[] pStart; // Start address of buffer
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public byte[] pEnd; // End address of buffer
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public byte[] pCur; // Current pointer. Pointer size is 2 bytes
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public uint pCurIndex; // Current pointer index
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public int iLine; // Line counter
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}
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public class AWScriptFile
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{
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private const int MAX_LINELEN = 2048;
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public ushort[] m_szToken = new ushort[MAX_LINELEN];
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protected SCRIPTINFO m_Script = new SCRIPTINFO();
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public bool Open(FileStream stream)
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{
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uint dwFilelen = (uint)stream.Length;
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if (dwFilelen <= 0)
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{
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BMLogger.LogError($"EC_StringTab::Open: {stream.Name} File length is 0");
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return false;
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}
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byte[] pBuf = new byte[dwFilelen];
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stream.Read(pBuf, 0, (int)dwFilelen);
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// Check unicode file header
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ushort wChar = BitConverter.ToUInt16(new byte[] {pBuf[0], pBuf[1]});
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if (wChar != 0xfeff)
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{
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BMLogger.LogError($"EC_StringTab::Open: {stream.Name} File is not unicode");
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return false;
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}
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m_Script.pFileBuf = pBuf;
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m_Script.pStart = new []{m_Script.pFileBuf[2], m_Script.pFileBuf[3]}; // Skip unicode magic number
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m_Script.pCur = m_Script.pStart;
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m_Script.pEnd = new [] {m_Script.pFileBuf[pBuf.Length - 2], m_Script.pFileBuf[pBuf.Length - 1]};
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m_Script.pCurIndex = 2;
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m_Script.iLine = 0;
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return true;
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}
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public bool Open(string szFile)
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{
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if (!File.Exists(szFile))
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{
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BMLogger.LogError($"EC_StringTab::Open: {szFile} File not found");
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return false;
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}
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using (FileStream stream = new FileStream(szFile, FileMode.Open, FileAccess.Read))
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{
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var bRet = Open(stream);
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if (!bRet)
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{
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BMLogger.LogError($"EC_StringTab::Open: {szFile} File open failed");
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return false;
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}
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stream.Close();
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return true;
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}
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}
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public void Close()
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{
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//TODO: May be not needed
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m_Script.pFileBuf = null;
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m_Script.pStart = null;
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m_Script.pCur = null;
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m_Script.pEnd = null;
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}
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/// <summary>
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/// Get next token and move file pointer forward.
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/// </summary>
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/// <param name="bCrossLine">true, search next token until it is found or all buffer has been checked;<br/> false, only search next token in current line</param>
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/// <returns>true for success, otherwise return false</returns>
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public bool GetNextToken(bool bCrossLine)
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{
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NewLine:
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while (m_Script.pCurIndex < m_Script.pFileBuf.Length)
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{
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// get the first byte because the pointer is 2 bytes. The second byte should be 0 in these cases (value < 255)
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if (m_Script.pFileBuf[m_Script.pCurIndex] > 32 && m_Script.pFileBuf[m_Script.pCurIndex] != ';' &&
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m_Script.pFileBuf[m_Script.pCurIndex] != ',')
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break;
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m_Script.pCurIndex += 2; // move pointer forward 2 bytes because it's w_char (2 bytes)
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if (m_Script.pCurIndex >= m_Script.pFileBuf.Length)
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return false;
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m_Script.pCur[0] = m_Script.pFileBuf[m_Script.pCurIndex];
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m_Script.pCur[1] = m_Script.pFileBuf[m_Script.pCurIndex + 1];
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if (m_Script.pCur[0] == '\n')
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{
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if (!bCrossLine)
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{
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m_Script.pCurIndex -= 2; // Let search pointer still stop in this line
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return false;
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}
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m_Script.iLine++;
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}
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}
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if (m_Script.pCurIndex >= m_Script.pFileBuf.Length)
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return false;
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// Skip comment lines those begin with '//'
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if (m_Script.pFileBuf[m_Script.pCurIndex] == '/' && m_Script.pFileBuf[m_Script.pCurIndex + 2] == '/')
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{
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// This is a note line, search it's ending.
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while (!m_Script.pCur.Equals(m_Script.pEnd) && m_Script.pFileBuf[m_Script.pCurIndex] != '\n')
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{
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m_Script.pCurIndex += 2;
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}
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if (m_Script.pCurIndex >= m_Script.pFileBuf.Length) // Found nothing
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return false;
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if (!bCrossLine) // Don't search cross line
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return false;
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m_Script.pCurIndex += 2; // Skip '\n'
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m_Script.iLine++;
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goto NewLine;
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}
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// Text between /* */ are also comment
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if (m_Script.pFileBuf[m_Script.pCurIndex] == '/' && m_Script.pFileBuf[m_Script.pCurIndex + 2] == '*')
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{
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bool bError = false;
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m_Script.pCurIndex += 4; // Skip /*
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while (m_Script.pFileBuf[m_Script.pCurIndex] != '*' || m_Script.pFileBuf[m_Script.pCurIndex + 2] != '/')
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{
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if (m_Script.pCurIndex >= m_Script.pEnd.Length) // Found nothing
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return false;
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else if (m_Script.pFileBuf[m_Script.pCurIndex] == '\n')
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{
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if (!bCrossLine)
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{
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// This is a fatal error, we should return false.
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// But we must search the '*/' so that next time our begin point
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// isn't in comment paragraph
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bError = true;
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}
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m_Script.iLine++;
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}
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m_Script.pCurIndex += 2;
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}
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m_Script.pCurIndex += 4; // Skip */
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if (bError)
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return false;
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goto NewLine;
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}
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int i = 0;
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// Copy string in "" or () pair
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if (m_Script.pFileBuf[m_Script.pCurIndex] == '"' || m_Script.pFileBuf[m_Script.pCurIndex] == '(')
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{
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char cEnd = m_Script.pFileBuf[m_Script.pCurIndex] == '"' ? '"' : ')';
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// Quoted token
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m_Script.pCurIndex += 2; // Skip " or (
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m_Script.pCur[0] = m_Script.pFileBuf[m_Script.pCurIndex];
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m_Script.pCur[1] = m_Script.pFileBuf[m_Script.pCurIndex + 1];
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while (!m_Script.pCur.Equals(m_Script.pEnd) && m_Script.pFileBuf[m_Script.pCurIndex] != cEnd)
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{
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if (i >= MAX_LINELEN-1)
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return false;
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// save the text into the token array
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m_szToken[i++] = BitConverter.ToUInt16(m_Script.pCur);
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m_Script.pCurIndex += 2;
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m_Script.pCur[0] = m_Script.pFileBuf[m_Script.pCurIndex];
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m_Script.pCur[1] = m_Script.pFileBuf[m_Script.pCurIndex + 1];
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}
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m_Script.pCurIndex += 2; // Skip " or )
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m_Script.pCur[0] = m_Script.pFileBuf[m_Script.pCurIndex];
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m_Script.pCur[1] = m_Script.pFileBuf[m_Script.pCurIndex + 1];
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}
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else // Is a normal token
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{
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while (!m_Script.pCur.Equals(m_Script.pEnd) && BitConverter.ToInt16(m_Script.pCur) > 32 &&
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m_Script.pFileBuf[m_Script.pCurIndex] != ';' && m_Script.pFileBuf[m_Script.pCurIndex] != ',')
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{
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if (i >= MAX_LINELEN-1)
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return false;
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m_szToken[i++] = BitConverter.ToUInt16(m_Script.pCur);
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m_Script.pCurIndex += 2;
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m_Script.pCur[0] = m_Script.pFileBuf[m_Script.pCurIndex];
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m_Script.pCur[1] = m_Script.pFileBuf[m_Script.pCurIndex + 1];
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}
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}
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m_szToken[i] = '\0';
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return true;
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}
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/// <summary>
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/// Peek next token and don't move file pointer
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/// Return true for success, otherwise return false
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/// </summary>
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/// <param name="bCrossLine">true, search next token until it is found or all buffer has been checked; false, only search next token in current line</param>
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public bool PeekNextToken(bool bCrossLine)
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{
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// Record current pointer and line
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var pCur = new [] {m_Script.pCur[0], m_Script.pCur[1]};
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var iLine = m_Script.iLine;
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var pCurIndex = m_Script.pCurIndex;
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bool bRet = GetNextToken(bCrossLine);
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// Restore pointer and line
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m_Script.pCur = pCur;
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m_Script.iLine = iLine;
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m_Script.pCurIndex = pCurIndex;
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return bRet;
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}
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public int GetNextTokenAsInt(bool bCrossLine)
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{
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GetNextToken(bCrossLine);
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return int.Parse(ByteToStringUtils.UshortArrayToUnicodeString(m_szToken));
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}
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// Reach end of file ?
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public bool IsEnd() { return m_Script.pCurIndex >= m_Script.pFileBuf.Length; }
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// Get current line
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public int GetCurLine() { return m_Script.iLine; }
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}
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} |