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/*
* $Id: strlist.c 443 2006-05-30 04:37:13Z darren $
*
* Copyright (c) 1999-2002, Darren Hiebert
*
* This source code is released for free distribution under the terms of the
* GNU General Public License.
*
* This module contains functions managing resizable string lists.
*/
/*
* INCLUDE FILES
*/
#include "general.h" /* must always come first */
#include <string.h>
#ifdef HAVE_FNMATCH_H
# include <fnmatch.h>
#endif
#include "debug.h"
#include "read.h"
#include "routines.h"
#include "strlist.h"
/*
* FUNCTION DEFINITIONS
*/
extern stringList *stringListNew (void)
{
stringList* const result = xMalloc (1, stringList);
result->max = 0;
result->count = 0;
result->list = NULL;
return result;
}
extern void stringListAdd (stringList *const current, vString *string)
{
enum { incrementalIncrease = 10 };
Assert (current != NULL);
if (current->list == NULL)
{
Assert (current->max == 0);
current->count = 0;
current->max = incrementalIncrease;
current->list = xMalloc (current->max, vString*);
}
else if (current->count == current->max)
{
current->max += incrementalIncrease;
current->list = xRealloc (current->list, current->max, vString*);
}
current->list [current->count++] = string;
}
extern void stringListRemoveLast (stringList *const current)
{
Assert (current != NULL);
Assert (current->count > 0);
--current->count;
current->list [current->count] = NULL;
}
/* Combine list `from' into `current', deleting `from' */
extern void stringListCombine (
stringList *const current, stringList *const from)
{
unsigned int i;
Assert (current != NULL);
Assert (from != NULL);
for (i = 0 ; i < from->count ; ++i)
{
stringListAdd (current, from->list [i]);
from->list [i] = NULL;
}
stringListDelete (from);
}
extern stringList* stringListNewFromArgv (const char* const* const argv)
{
stringList* const result = stringListNew ();
const char *const *p;
Assert (argv != NULL);
for (p = argv ; *p != NULL ; ++p)
stringListAdd (result, vStringNewInit (*p));
return result;
}
extern stringList* stringListNewFromFile (const char* const fileName)
{
stringList* result = NULL;
FILE* const fp = fopen (fileName, "r");
if (fp != NULL)
{
result = stringListNew ();
while (! feof (fp))
{
vString* const str = vStringNew ();
readLine (str, fp);
vStringStripTrailing (str);
if (vStringLength (str) > 0)
stringListAdd (result, str);
else
vStringDelete (str);
}
}
return result;
}
extern unsigned int stringListCount (const stringList *const current)
{
Assert (current != NULL);
return current->count;
}
extern vString* stringListItem (
const stringList *const current, const unsigned int indx)
{
Assert (current != NULL);
return current->list [indx];
}
extern vString* stringListLast (const stringList *const current)
{
Assert (current != NULL);
Assert (current->count > 0);
return current->list [current->count - 1];
}
extern void stringListClear (stringList *const current)
{
unsigned int i;
Assert (current != NULL);
for (i = 0 ; i < current->count ; ++i)
{
vStringDelete (current->list [i]);
current->list [i] = NULL;
}
current->count = 0;
}
extern void stringListDelete (stringList *const current)
{
if (current != NULL)
{
if (current->list != NULL)
{
stringListClear (current);
eFree (current->list);
current->list = NULL;
}
current->max = 0;
current->count = 0;
eFree (current);
}
}
static boolean compareString (
const char *const string, vString *const itm)
{
return (boolean) (strcmp (string, vStringValue (itm)) == 0);
}
static boolean compareStringInsensitive (
const char *const string, vString *const itm)
{
return (boolean) (strcasecmp (string, vStringValue (itm)) == 0);
}
static int stringListIndex (
const stringList *const current,
const char *const string,
boolean (*test)(const char *s, vString *const vs))
{
int result = -1;
unsigned int i;
Assert (current != NULL);
Assert (string != NULL);
Assert (test != NULL);
for (i = 0 ; result == -1 && i < current->count ; ++i)
if ((*test)(string, current->list [i]))
result = i;
return result;
}
extern boolean stringListHas (
const stringList *const current, const char *const string)
{
boolean result = FALSE;
Assert (current != NULL);
result = stringListIndex (current, string, compareString) != -1;
return result;
}
extern boolean stringListHasInsensitive (
const stringList *const current, const char *const string)
{
boolean result = FALSE;
Assert (current != NULL);
Assert (string != NULL);
result = stringListIndex (current, string, compareStringInsensitive) != -1;
return result;
}
extern boolean stringListHasTest (
const stringList *const current, boolean (*test)(const char *s))
{
boolean result = FALSE;
unsigned int i;
Assert (current != NULL);
for (i = 0 ; ! result && i < current->count ; ++i)
result = (*test)(vStringValue (current->list [i]));
return result;
}
extern boolean stringListRemoveExtension (
stringList* const current, const char* const extension)
{
boolean result = FALSE;
int where;
#ifdef CASE_INSENSITIVE_FILENAMES
where = stringListIndex (current, extension, compareStringInsensitive);
#else
where = stringListIndex (current, extension, compareString);
#endif
if (where != -1)
{
memmove (current->list + where, current->list + where + 1,
(current->count - where) * sizeof (*current->list));
current->list [current->count - 1] = NULL;
--current->count;
result = TRUE;
}
return result;
}
extern boolean stringListExtensionMatched (
const stringList* const current, const char* const extension)
{
#ifdef CASE_INSENSITIVE_FILENAMES
return stringListHasInsensitive (current, extension);
#else
return stringListHas (current, extension);
#endif
}
static boolean fileNameMatched (
const vString* const vpattern, const char* const fileName)
{
const char* const pattern = vStringValue (vpattern);
#if defined (HAVE_FNMATCH)
return (boolean) (fnmatch (pattern, fileName, 0) == 0);
#elif defined (CASE_INSENSITIVE_FILENAMES)
return (boolean) (strcasecmp (pattern, fileName) == 0);
#else
return (boolean) (strcmp (pattern, fileName) == 0);
#endif
}
extern boolean stringListFileMatched (
const stringList* const current, const char* const fileName)
{
boolean result = FALSE;
unsigned int i;
for (i = 0 ; ! result && i < stringListCount (current) ; ++i)
result = fileNameMatched (stringListItem (current, i), fileName);
return result;
}
extern void stringListPrint (const stringList *const current)
{
unsigned int i;
Assert (current != NULL);
for (i = 0 ; i < current->count ; ++i)
printf ("%s%s", (i > 0) ? ", " : "", vStringValue (current->list [i]));
}
/* vi:set tabstop=4 shiftwidth=4: */
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