Changeset 321a1b15 for libcfa


Ignore:
Timestamp:
Oct 10, 2021, 5:05:54 PM (8 weeks ago)
Author:
Peter A. Buhr <pabuhr@…>
Branches:
master
Children:
d4d4ac8
Parents:
c8371b5
git-author:
Peter A. Buhr <pabuhr@…> (10/10/21 17:04:59)
git-committer:
Peter A. Buhr <pabuhr@…> (10/10/21 17:05:54)
Message:

change getANL to getANL$ (private), change eof to return bool versus int, add hack to make istrstream.fmt work except with wdi manipulators

Location:
libcfa/src
Files:
2 edited

Legend:

Unmodified
Added
Removed
  • libcfa/src/strstream.cfa

    rc8371b5 r321a1b15  
    1010// Created On       : Thu Apr 22 22:24:35 2021
    1111// Last Modified By : Peter A. Buhr
    12 // Last Modified On : Tue Apr 27 20:59:53 2021
    13 // Update Count     : 78
     12// Last Modified On : Sun Oct 10 16:13:20 2021
     13// Update Count     : 101
    1414//
    1515
    1616#include "strstream.hfa"
     17#include "fstream.hfa"                                                                  // abort
    1718
    1819#include <stdio.h>                                                                              // vsnprintf
     
    3031
    3132// private
    32 bool sepPrt$( ostrstream & os ) { setNL$( os, false ); return os.sepOnOff$; }
    33 void sepReset$( ostrstream & os ) { os.sepOnOff$ = os.sepDefault$; }
    34 void sepReset$( ostrstream & os, bool reset ) { os.sepDefault$ = reset; os.sepOnOff$ = os.sepDefault$; }
    35 const char * sepGetCur$( ostrstream & os ) { return os.sepCur$; }
    36 void sepSetCur$( ostrstream & os, const char sepCur[] ) { os.sepCur$ = sepCur; }
    37 bool getNL$( ostrstream & os ) { return os.sawNL$; }
    38 void setNL$( ostrstream & os, bool state ) { os.sawNL$ = state; }
    39 bool getANL$( ostrstream & os ) { return os.nlOnOff$; }
    40 bool getPrt$( ostrstream & os ) { return os.prt$; }
    41 void setPrt$( ostrstream & os, bool state ) { os.prt$ = state; }
     33inline bool sepPrt$( ostrstream & os ) { setNL$( os, false ); return os.sepOnOff$; }
     34inline void sepReset$( ostrstream & os ) { os.sepOnOff$ = os.sepDefault$; }
     35inline void sepReset$( ostrstream & os, bool reset ) { os.sepDefault$ = reset; os.sepOnOff$ = os.sepDefault$; }
     36inline const char * sepGetCur$( ostrstream & os ) { return os.sepCur$; }
     37inline void sepSetCur$( ostrstream & os, const char sepCur[] ) { os.sepCur$ = sepCur; }
     38inline bool getNL$( ostrstream & os ) { return os.sawNL$; }
     39inline void setNL$( ostrstream & os, bool state ) { os.sawNL$ = state; }
     40inline bool getANL$( ostrstream & os ) { return os.nlOnOff$; }
     41inline bool getPrt$( ostrstream & os ) { return os.prt$; }
     42inline void setPrt$( ostrstream & os, bool state ) { os.prt$ = state; }
    4243
    4344// public
     
    128129// *********************************** istrstream ***********************************
    129130
     131// private
     132bool getANL$( istrstream & is ) { return is.nlOnOff$; }
    130133
    131134// public
     
    136139} // ?{}
    137140
    138 bool getANL( istrstream & is ) { return is.nlOnOff$; }
    139141void nlOn( istrstream & is ) { is.nlOnOff$ = true; }
    140142void nlOff( istrstream & is ) { is.nlOnOff$ = false; }
    141143
    142 void ends( istrstream & is ) {
    143 } // ends
     144void ends( istrstream & is ) {}
     145bool eof( istrstream & is ) { return false; }
    144146
    145 int eof( istrstream & is ) {
    146         return 0;
    147 } // eof
     147int fmt( istrstream & is, const char format[], ... ) with(is) {
     148        va_list args;
     149        va_start( args, format );
     150        // THIS DOES NOT WORK BECAUSE VSSCANF RETURNS NUMBER OF VALUES READ VERSUS BUFFER POSITION SCANNED.
     151        int len = vsscanf( buf$ + cursor$, format, args );
     152        va_end( args );
     153        if ( len == EOF ) {
     154                abort | IO_MSG "invalid read";
     155        } // if
     156        // SKULLDUGGERY: This hack skips over characters read by vsscanf by moving to the next whitespace but it does not
     157        // handle C reads with wdi manipulators that leave the cursor at a non-whitespace character.
     158        for ( ; buf$[cursor$] != ' ' && buf$[cursor$] != '\t' && buf$[cursor$] != '\0'; cursor$ += 1 ) {
     159                //printf( "X \'%c\'\n", buf$[cursor$] );
     160        } // for
     161        if ( buf$[cursor$] != '\0' ) cursor$ += 1;      // advance to whitespace
     162        return len;
     163} // fmt
    148164
    149165istrstream &ungetc( istrstream & is, char c ) {
     
    154170} // ungetc
    155171
    156 int fmt( istrstream & is, const char format[], ... ) {
    157         va_list args;
    158         va_start( args, format );
    159         // This does not work because vsscanf does not return buffer position.
    160         int len = vsscanf( is.buf$ + is.cursor$, format, args );
    161         va_end( args );
    162         if ( len == EOF ) {
    163                 int j;
    164                 printf( "X %d%n\n", len, &j );
    165         } // if
    166         is.cursor$ += len;
    167         return len;
    168 } // fmt
    169 
    170172// Local Variables: //
    171173// tab-width: 4 //
  • libcfa/src/strstream.hfa

    rc8371b5 r321a1b15  
    1010// Created On       : Thu Apr 22 22:20:59 2021
    1111// Last Modified By : Peter A. Buhr
    12 // Last Modified On : Tue Apr 27 20:58:50 2021
    13 // Update Count     : 41
     12// Last Modified On : Sun Oct 10 10:14:22 2021
     13// Update Count     : 47
    1414//
    1515
     
    8585// Satisfies basic_istream
    8686
     87// private
     88bool getANL$( istrstream & );
     89
    8790// public
    88 bool getANL( istrstream & );
    8991void nlOn( istrstream & );
    9092void nlOff( istrstream & );
    9193void ends( istrstream & );
     94
    9295int fmt( istrstream &, const char format[], ... ) __attribute__(( format(scanf, 2, 3) ));
    93 istrstream & ungetc( istrstream & is, char c );
    94 int eof( istrstream & is );
     96istrstream & ungetc( istrstream &, char );
     97bool eof( istrstream & );
    9598
    96 void ?{}( istrstream & is, char buf[] );
     99void ?{}( istrstream &, char buf[] );
    97100
    98101// Local Variables: //
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