campo-sirio/cb5/t4info.cxx
alex a0f5e0898b This commit was generated by cvs2svn to compensate for changes in r975,
which included commits to RCS files with non-trunk default branches.

git-svn-id: svn://10.65.10.50/trunk@976 c028cbd2-c16b-5b4b-a496-9718f37d4682
1995-02-06 15:33:45 +00:00

153 lines
3.2 KiB
C++
Executable File

/* t4info.cpp (c)Copyright Sequiter Software Inc., 1989-1993. All rights reserved. */
#include "d4all.h"
#ifndef S4UNIX
#ifdef __TURBOC__
#pragma hdrstop
#endif /* __TUROBC__ */
#endif /* S4UNIX */
#include "d4data.hpp"
Tag4info::Tag4info( Code4 &code )
{
size = 0 ;
code_base = &code ;
length = 0 ;
tag = NULL ;
}
Tag4info::Tag4info( Index4 i )
{
size = 0 ;
code_base = (Code4 *) i.index->data->code_base ;
length = 0 ;
tag = NULL ;
add_index_tags( i.index ) ;
}
Tag4info::Tag4info( Data4 d )
{
INDEX4 *index = (INDEX4*) l4next( &(d.data->indexes), NULL ) ;
size = 0 ;
code_base = (Code4 *) d.data->code_base ;
length = 0 ;
tag = NULL ;
for(; index != NULL ; index = (INDEX4*) l4next( &(d.data->indexes), index ) )
add_index_tags( index ) ;
}
int Tag4info::add_index_tags( INDEX4 *index )
{
TAG4 *tag = (TAG4 *) l4next( &(index->tags), NULL ) ;
for( ; tag != NULL ; tag = (TAG4*) l4next( &(index->tags), tag ) )
if( add( Tag4(tag) ) != 0) return -1 ;
return 0 ;
}
int Tag4info::add( Tag4 tag )
{
return add( tag.alias(), expr4source(tag.tag->expr), expr4source(tag.tag->filter),
t4unique(tag.tag), t4is_descending(tag.tag) ) ;
}
int Tag4info::add( char *name, char *expr, char *filter,
int uniq, int desc )
{
Str4ten st_name( name ) ;
st_name.upper() ;
st_name.trim() ;
#ifdef S4DEBUG
if( name == 0 || expr == 0 )
return code_base->error( e4parm, "Tag4info::add()" ) ;
#endif
if( u4alloc_again( code_base, (char **)&tag, &length,
(size+2) * sizeof( TAG4INFO ))!=0 )
return -1 ;
tag[size].name = (char *)u4alloc_er( code_base, 11 ) ;
if( tag[size].name )
u4ncpy( tag[size].name, st_name.ptr(), 11 ) ;
unsigned len = strlen(expr) + 1 ;
tag[size].expression = (char *) u4alloc_er( code_base, len ) ;
if( tag[size].expression != NULL )
u4ncpy( tag[size].expression, expr, len ) ;
if( filter )
{
tag[size].filter = (char *) u4alloc_er( code_base, len = strlen( filter )+1 ) ;
if( tag[size].filter != NULL )
u4ncpy( tag[size].filter, filter, len ) ;
}
if( code_base->errorCode < 0 )
{
u4free( tag[size].name ) ;
u4free( tag[size].expression ) ;
u4free( tag[size].filter ) ;
memset( tag+size, 0, sizeof(TAG4INFO) ) ;
return -1 ;
}
tag[size].unique = uniq ;
tag[size].descending = desc ;
size++ ;
return 0 ;
}
void Tag4info::free( )
{
for( ; size > 0 ; )
{
u4free( tag[size].name ) ;
u4free( tag[size].expression ) ;
u4free( tag[size].filter ) ;
size -- ;
}
u4free( tag ) ;
tag = 0 ;
size = 0 ;
length = 0 ;
}
Tag4info::~Tag4info()
{
free( ) ;
}
int Tag4info::del( int index )
{
if( index >= size || index < 0 )
return code_base->error( e4parm ) ;
u4free( tag[index].name ) ;
u4free( tag[index].expression ) ;
u4free( tag[index].filter ) ;
memcpy( tag+index, tag+index+1, sizeof(TAG4INFO) * (size-index) ) ;
size-- ;
return 0 ;
}
int Tag4info::del( char *name )
{
Str4ten st_tag( name ) ;
st_tag.upper( ) ;
st_tag.trim( ) ;
for( int i = 0 ; i < size ; i++ )
{
if( memcmp( tag[i].name, st_tag.ptr( ), st_tag.len() ) == 0 )
{
del( i ) ;
return 0 ;
}
}
code_base->error( e4parm, "Tag4info::del()", name ) ;
return -1 ;
}