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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <syslog.h>
#include "logger.h"
#include "pldstr.h"
#include "strstack.h"
#ifndef FL
#define FL __FILE__,__LINE__
#endif
#define DSS if (ss->debug)
/*-----------------------------------------------------------------\
Function Name : SS_init
Returns Type : int
----Parameter List
1. void ,
------------------
Exit Codes :
Side Effects :
--------------------------------------------------------------------
Comments:
--------------------------------------------------------------------
Changes:
\------------------------------------------------------------------*/
int SS_init( struct SS_object *ss )
{
ss->debug = 0;
ss->verbose = 0;
ss->count = 0;
ss->stringstack = NULL;
return 0;
}
/*-----------------------------------------------------------------\
Function Name : SS_set_verbose
Returns Type : int
----Parameter List
1. int level ,
------------------
Exit Codes :
Side Effects :
--------------------------------------------------------------------
Comments:
--------------------------------------------------------------------
Changes:
\------------------------------------------------------------------*/
int SS_set_verbose( struct SS_object *ss, int level )
{
ss->verbose = level;
return ss->verbose;
}
/*-----------------------------------------------------------------\
Function Name : SS_set_debug
Returns Type : int
----Parameter List
1. int level ,
------------------
Exit Codes :
Side Effects :
--------------------------------------------------------------------
Comments:
--------------------------------------------------------------------
Changes:
\------------------------------------------------------------------*/
int SS_set_debug( struct SS_object *ss, int level )
{
ss->debug = level;
return ss->debug;
}
/*-----------------------------------------------------------------\
Function Name : SS_done
Returns Type : int
----Parameter List
1. void ,
------------------
Exit Codes :
Side Effects :
--------------------------------------------------------------------
Comments:
--------------------------------------------------------------------
Changes:
\------------------------------------------------------------------*/
int SS_done( struct SS_object *ss )
{
struct SS_node *next;
while ((ss->stringstack != NULL)&&(ss->count > 0))
{
DSS LOGGER_log("%s:%d:SS_done: Popping off %s",FL,ss->stringstack->data);
next = ss->stringstack->next;
free(ss->stringstack->data);
free(ss->stringstack);
ss->stringstack = next;
ss->count--;
}
ss->stringstack = NULL;
ss->count = 0;
return 0;
}
/*-----------------------------------------------------------------\
Function Name : SS_dump
Returns Type : int
----Parameter List
1. struct SS_object *ss ,
------------------
Exit Codes :
Side Effects :
--------------------------------------------------------------------
Comments:
--------------------------------------------------------------------
Changes:
\------------------------------------------------------------------*/
int SS_dump( struct SS_object *ss )
{
struct SS_node *n = ss->stringstack;
while (n != NULL)
{
LOGGER_log("%s",n->data);
n = n->next;
}
return 0;
}
/*-----------------------------------------------------------------\
Function Name : SS_push
Returns Type : int
----Parameter List
1. char *string ,
------------------
Exit Codes :
Side Effects :
--------------------------------------------------------------------
Comments:
--------------------------------------------------------------------
Changes:
\------------------------------------------------------------------*/
int SS_push( struct SS_object *ss, char *data, size_t data_length )
{
struct SS_node *node = malloc(sizeof(struct SS_node));
if (node)
{
DSS LOGGER_log("%s:%d:SS_push: Pushing %s to %p, stack count = %d",FL,data, ss->stringstack, ss->count);
node->next = ss->stringstack;
ss->stringstack = node;
ss->stringstack->data = strdup(data);
ss->stringstack->data_length = data_length;
ss->count++;
}
else
{
LOGGER_log("%s:%d:SS_push:ERROR: Cannot allocate memory for string stack PUSH, %s", FL, strerror(errno));
}
return 0;
}
/*-----------------------------------------------------------------\
Function Name : *SS_pop
Returns Type : char
----Parameter List
1. void ,
------------------
Exit Codes :
Side Effects :
--------------------------------------------------------------------
Comments:
--------------------------------------------------------------------
Changes:
\------------------------------------------------------------------*/
char *SS_pop( struct SS_object *ss )
{
struct SS_node *node = ss->stringstack;
if ((ss->stringstack)&&(ss->count > 0))
{
ss->stringstack = ss->stringstack->next;
PLD_strncpy(ss->datastacksafe,node->data, SS_STRLEN_MAX);
free(node->data);
free(node);
ss->count--;
} else return NULL;
return ss->datastacksafe;
}
/*-----------------------------------------------------------------\
Function Name : *SS_top
Returns Type : char
----Parameter List
1. void ,
------------------
Exit Codes :
Side Effects :
--------------------------------------------------------------------
Comments:
--------------------------------------------------------------------
Changes:
\------------------------------------------------------------------*/
char *SS_top( struct SS_object *ss )
{
if (ss->stringstack)
{
return ss->stringstack->data;
}
else return NULL;
}
/*-----------------------------------------------------------------\
Function Name : SS_count
Returns Type : int
----Parameter List
1. void ,
------------------
Exit Codes :
Side Effects :
--------------------------------------------------------------------
Comments:
--------------------------------------------------------------------
Changes:
\------------------------------------------------------------------*/
int SS_count( struct SS_object *ss )
{
return ss->count;
}
/*-----------------------------------------------------------------\
Function Name : *SS_cmp
Returns Type : char
----Parameter List
1. struct SS_object *ss,
2. char *find_me ,
------------------
Exit Codes :
Side Effects :
--------------------------------------------------------------------
Comments:
--------------------------------------------------------------------
Changes:
\------------------------------------------------------------------*/
char *SS_cmp( struct SS_object *ss, char *find_me, size_t find_me_len )
{
struct SS_node *n = ss->stringstack;
int hit=0;
while ((n != NULL)&&(hit == 0))
{
if (strncmp(find_me, n->data, find_me_len) == 0) hit++;
if (hit == 0) n = n->next;
}
if (hit == 0) return NULL;
else return n->data;
}
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