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# SoInput.h

    00001 #ifndef COIN_SOINPUT_H
    00002 #define COIN_SOINPUT_H
    00003
    00004 /**************************************************************************\
    00005  *
    00006  *  This file is part of the Coin 3D visualization library.
    00007  *  Copyright (C) 1998-2003 by Systems in Motion.  All rights reserved.
    00008  *
    00009  *  This library is free software; you can redistribute it and/or
    00010  *  modify it under the terms of the GNU General Public License
    00011  *  ("GPL") version 2 as published by the Free Software Foundation.
    00012  *  See the file LICENSE.GPL at the root directory of this source
    00013  *  distribution for additional information about the GNU GPL.
    00014  *
    00015  *  For using Coin with software that can not be combined with the GNU
    00016  *  GPL, and for taking advantage of the additional benefits of our
    00017  *  support services, please contact Systems in Motion about acquiring
    00018  *  a Coin Professional Edition License.
    00019  *
    00020  *  See <URL:http://www.coin3d.org> for  more information.
    00021  *
    00022  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
    00023  *  <URL:http://www.sim.no>.
    00024  *
    00025 \**************************************************************************/
    00026
    00027 #include <Inventor/system/inttypes.h>
    00028 #include <Inventor/SbBasic.h>
    00029 #include <Inventor/SbDict.h>
    00030 #include <Inventor/lists/SbList.h>
    00031 #include <stdio.h> // FILE
    00032 #ifndef COIN_INTERNAL
    00033  // For Open Inventor compatibility.
    00034  #include <Inventor/SoDB.h>
    00035 #endif // COIN_INTERNAL
    00036
    00037 class SoBase;
    00038 class SbString;
    00039 class SbTime;
    00040 class SbName;
    00041 class SbStringList;
    00042 class SoInput_FileInfo;
    00043 class SoProto;
    00044 class SoField;
    00045 class SoFieldContainer;
    00046
    00047 class COIN_DLL_API SoInput {
    00048 public:
    00049   SoInput(void);
    00050   SoInput(SoInput * dictIn);
    00051
    00052   void addProto(SoProto * proto);
    00053
    00054   void pushProto(SoProto * proto);
    00055   SoProto * getCurrentProto(void) const;
    00056   void popProto(void);
    00057
    00058   void addRoute(const SbName & fromnode, const SbName & fromfield,
    00059                 const SbName & tonode, const SbName & tofield);
    00060   SbBool checkISReference(SoFieldContainer * container, const SbName & fieldname,
    00061                           SbBool & readok);
    00062
    00063   virtual ~SoInput(void);
    00064
    00065   virtual void setFilePointer(FILE * newFP);
    00066   virtual SbBool openFile(const char * fileName, SbBool okIfNotFound = FALSE);
    00067   virtual SbBool pushFile(const char * fileName);
    00068   virtual void closeFile(void);
    00069   virtual SbBool isValidFile(void);
    00070   virtual SbBool isValidBuffer(void);
    00071   virtual FILE * getCurFile(void) const;
    00072   virtual const char * getCurFileName(void) const;
    00073   virtual void setBuffer(void * bufpointer, size_t bufsize);
    00074           void setStringArray(const char * strings[]);
    00075   virtual size_t getNumBytesRead(void) const;
    00076   virtual SbString getHeader(void);
    00077   virtual float getIVVersion(void);
    00078   virtual SbBool isBinary(void);
    00079
    00080   virtual SbBool get(char & c);
    00081   virtual SbBool getASCIIBuffer(char & c);
    00082   virtual SbBool getASCIIFile(char & c);
    00083   virtual SbBool readHex(uint32_t & l);
    00084   virtual SbBool read(char & c);
    00085   virtual SbBool read(char & c, SbBool skip);
    00086   virtual SbBool read(SbString & s);
    00087   virtual SbBool read(SbName & n, SbBool validIdent = FALSE);
    00088   virtual SbBool read(int & i);
    00089   virtual SbBool read(unsigned int & i);
    00090   virtual SbBool read(short & s);
    00091   virtual SbBool read(unsigned short & s);
    00092   virtual SbBool read(float & f);
    00093   virtual SbBool read(double & d);
    00094   virtual SbBool readBinaryArray(unsigned char * c, int length);
    00095   virtual SbBool readBinaryArray(int32_t * l, int length);
    00096   virtual SbBool readBinaryArray(float * f, int length);
    00097   virtual SbBool readBinaryArray(double * d, int length);
    00098   virtual SbBool eof(void) const;
    00099
    00100   SbBool isFileVRML1(void);
    00101   SbBool isFileVRML2(void);
    00102   virtual void resetFilePointer(FILE * fptr);
    00103
    00104   virtual void getLocationString(SbString & string) const;
    00105   virtual void putBack(const char c);
    00106   virtual void putBack(const char * str);
    00107   virtual void addReference(const SbName & name, SoBase * base,
    00108                             SbBool addToGlobalDict = TRUE);
    00109   virtual void removeReference(const SbName & name);
    00110   virtual SoBase * findReference(const SbName & name) const;
    00111
    00112   static void addDirectoryFirst(const char * dirName);
    00113   static void addDirectoryLast(const char * dirName);
    00114   static void addEnvDirectoriesFirst(const char * envVarName,
    00115                                      const char * separator = ":\t ");
    00116   static void addEnvDirectoriesLast(const char * envVarName,
    00117                                     const char * separator = ":\t ");
    00118   static void removeDirectory(const char * dirName);
    00119   static void clearDirectories(void);
    00120   static const SbStringList & getDirectories(void);
    00121
    00122   static void init(void);
    00123
    00124   static SbString getPathname(const char * const filename);
    00125   static SbString getPathname(const SbString & s);
    00126   static SbString getBasename(const char * const filename);
    00127   static SbString getBasename(const SbString & s);
    00128
    00129   static SbString searchForFile(const SbString & basename,
    00130                                 const SbStringList & directories,
    00131                                 const SbStringList & subdirectories);
    00132
    00133
    00134 protected:
    00135   virtual SbBool popFile(void);
    00136   void setIVVersion(float version);
    00137   FILE * findFile(const char * fileName, SbString & fullName);
    00138   void initFile(FILE * newFP, const char * fileName, SbString * fullName,
    00139                 SbBool openedHere, SbDict * refDict = (SbDict *) NULL);
    00140   SbBool checkHeader(SbBool bValidateBufferHeader = FALSE);
    00141   SbBool fromBuffer(void) const;
    00142   SbBool skipWhiteSpace(void);
    00143   size_t freeBytesInBuf(void) const;
    00144   SbBool readInteger(int32_t & l);
    00145   SbBool readUnsignedInteger(uint32_t & l);
    00146   SbBool readReal(double & d);
    00147   SbBool readUnsignedIntegerString(char * str);
    00148   int readDigits(char * str);
    00149   int readHexDigits(char * str);
    00150   int readChar(char * str, char charToRead);
    00151
    00152   SbBool makeRoomInBuf(size_t nBytes);
    00153   void convertShort(char * from, short * s);
    00154   void convertInt32(char * from, int32_t * l);
    00155   void convertFloat(char * from, float * f);
    00156   void convertDouble(char * from, double * d);
    00157   void convertShortArray(char * from, short * to, int len);
    00158   void convertInt32Array(char * from, int32_t * to, int len);
    00159   void convertFloatArray(char * from, float * to, int len);
    00160   void convertDoubleArray(char * from, double * to, int len);
    00161   SbBool isFileURL(const char * url);
    00162   char * URLToFile(char * out_buf, const char * in_buf);
    00163   SbBool IsURL(const char * c_strng);
    00164
    00165   static void setDirectories(SbStringList * dirs);
    00166
    00167 private:
    00168   friend class SoDB;
    00169
    00170   static void clean(void);
    00171   void constructorsCommon(void);
    00172
    00173   static void addDirectoryIdx(const int idx, const char * dirName);
    00174   static void addEnvDirectoriesIdx(int startidx, const char * envVarName,
    00175                                    const char * separator);
    00176   static SbStringList * dirsearchlist;
    00177
    00178   SbList<SoInput_FileInfo *> filestack;
    00179   SoInput_FileInfo * getTopOfStack(void) const;
    00180
    00181   SbDict refdict;
    00182 };
    00183
    00184 #endif // !COIN_SOINPUT_H