-/*
- * Copyright (C) 1995-2005, Index Data ApS
+/* This file is part of the YAZ toolkit.
+ * Copyright (C) Index Data
* See the file LICENSE for details.
- *
- * $Id: zoom-opt.c,v 1.3 2005-01-15 19:47:15 adam Exp $
*/
/**
* \file zoom-opt.c
* \brief Implements ZOOM options handling
*/
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
#include <assert.h>
#include "zoom-p.h"
#include <yaz/xmalloc.h>
+struct ZOOM_options_entry {
+ char *name;
+ char *value;
+ int len; /* of `value', which may contain NULs */
+ struct ZOOM_options_entry *next;
+};
+
+struct ZOOM_options_p {
+ int refcount;
+ void *callback_handle;
+ ZOOM_options_callback callback_func;
+ struct ZOOM_options_entry *entries;
+ ZOOM_options parent1;
+ ZOOM_options parent2;
+};
+
+static void set_value(struct ZOOM_options_entry **e,
+ const char *value, int len)
+{
+ (*e)->value = 0;
+ (*e)->len = 0;
+ if (value)
+ {
+ (*e)->value = (char *) xmalloc(len+1);
+ memcpy((*e)->value, value, len);
+ (*e)->value[len] = '\0';
+ (*e)->len = len;
+ }
+}
+
+static void append_entry(struct ZOOM_options_entry **e,
+ const char *name, const char *value, int len)
+{
+ *e = (struct ZOOM_options_entry *) xmalloc(sizeof(**e));
+ (*e)->name = xstrdup(name);
+ set_value(e, value, len);
+ (*e)->next = 0;
+}
+
+ZOOM_API(ZOOM_options)
+ ZOOM_options_dup(ZOOM_options src)
+{
+ if (!src)
+ return 0;
+ else
+ {
+ ZOOM_options dst = ZOOM_options_create();
+ struct ZOOM_options_entry *src_e = src->entries;
+ struct ZOOM_options_entry **dst_e = &dst->entries;
+
+ while(src_e)
+ {
+ append_entry(dst_e, src_e->name, src_e->value, src_e->len);
+ dst_e = &(*dst_e)->next;
+ src_e = src_e->next;
+ }
+ dst->parent1 = ZOOM_options_dup(src->parent1);
+ dst->parent2 = ZOOM_options_dup(src->parent2);
+ return dst;
+ }
+}
+
ZOOM_API(ZOOM_options)
-ZOOM_options_create_with_parent (ZOOM_options parent)
+ ZOOM_options_create_with_parent(ZOOM_options parent)
{
return ZOOM_options_create_with_parent2(parent, 0);
}
ZOOM_API(ZOOM_options)
-ZOOM_options_create (void)
+ ZOOM_options_create(void)
{
- return ZOOM_options_create_with_parent (0);
+ return ZOOM_options_create_with_parent(0);
}
ZOOM_API(ZOOM_options)
-ZOOM_options_create_with_parent2 (ZOOM_options parent1, ZOOM_options parent2)
+ ZOOM_options_create_with_parent2(ZOOM_options parent1,
+ ZOOM_options parent2)
{
- ZOOM_options opt = (ZOOM_options) xmalloc (sizeof(*opt));
+ ZOOM_options opt = (ZOOM_options) xmalloc(sizeof(*opt));
opt->refcount = 1;
opt->callback_func = 0;
opt->entries = 0;
opt->parent1= parent1;
if (parent1)
- (parent1->refcount)++;
+ (parent1->refcount)++;
opt->parent2= parent2;
if (parent2)
- (parent2->refcount)++;
+ (parent2->refcount)++;
return opt;
}
-void ZOOM_options_addref (ZOOM_options opt)
+void ZOOM_options_addref(ZOOM_options opt)
{
(opt->refcount)++;
}
ZOOM_API(ZOOM_options_callback)
-ZOOM_options_set_callback (
+ ZOOM_options_set_callback (
ZOOM_options opt,
ZOOM_options_callback callback_func,
void *callback_handle)
{
ZOOM_options_callback callback_old;
- assert (opt);
+ assert(opt);
callback_old = opt->callback_func;
opt->callback_func = callback_func;
opt->callback_handle = callback_handle;
}
ZOOM_API(void)
-ZOOM_options_destroy (ZOOM_options opt)
+ ZOOM_options_destroy(ZOOM_options opt)
{
if (!opt)
- return;
+ return;
(opt->refcount)--;
if (opt->refcount == 0)
{
- struct ZOOM_options_entry *e;
-
- ZOOM_options_destroy (opt->parent1);
- ZOOM_options_destroy (opt->parent2);
- e = opt->entries;
- while (e)
- {
- struct ZOOM_options_entry *e0 = e;
- xfree (e->name);
- xfree (e->value);
- e = e->next;
- xfree (e0);
- }
- xfree (opt);
+ struct ZOOM_options_entry *e;
+
+ ZOOM_options_destroy(opt->parent1);
+ ZOOM_options_destroy(opt->parent2);
+ e = opt->entries;
+ while (e)
+ {
+ struct ZOOM_options_entry *e0 = e;
+ xfree(e->name);
+ xfree(e->value);
+ e = e->next;
+ xfree(e0);
+ }
+ xfree(opt);
}
}
+
ZOOM_API(void)
-ZOOM_options_setl (ZOOM_options opt, const char *name, const char *value,
- int len)
+ ZOOM_options_setl(ZOOM_options opt, const char *name, const char *value,
+ int len)
{
struct ZOOM_options_entry **e;
e = &opt->entries;
while (*e)
{
- if (!strcmp((*e)->name, name))
- {
- xfree ((*e)->value);
- (*e)->value = 0;
- if (value)
- {
- (*e)->value = (char *) xmalloc (len+1);
- memcpy ((*e)->value, value, len);
- (*e)->value[len] = '\0';
- }
- return;
- }
- e = &(*e)->next;
+ if (!strcmp((*e)->name, name))
+ {
+ xfree((*e)->value);
+ set_value(e, value, len);
+ return;
+ }
+ e = &(*e)->next;
}
- *e = (struct ZOOM_options_entry *) xmalloc (sizeof(**e));
- (*e)->name = xstrdup (name);
- (*e)->value = 0;
- if (value)
- {
- (*e)->value = (char *) xmalloc (len+1);
- memcpy ((*e)->value, value, len);
- (*e)->value[len] = '\0';
- }
- (*e)->next = 0;
+ append_entry(e, name, value, len);
}
ZOOM_API(void)
-ZOOM_options_set (ZOOM_options opt, const char *name, const char *value)
+ ZOOM_options_set(ZOOM_options opt, const char *name, const char *value)
{
- ZOOM_options_setl (opt, name, value, value ? strlen(value): 0);
+ ZOOM_options_setl(opt, name, value, value ? strlen(value): 0);
}
ZOOM_API(const char *)
-ZOOM_options_get (ZOOM_options opt, const char *name)
+ ZOOM_options_getl(ZOOM_options opt, const char *name, int *lenp)
{
const char *v = 0;
if (!opt)
- return 0;
+ return 0;
if (opt->callback_func)
- v = (*opt->callback_func)(opt->callback_handle, name);
+ {
+ v = (*opt->callback_func)(opt->callback_handle, name);
+ if (v)
+ *lenp = strlen(v);
+ }
if (!v)
{
- struct ZOOM_options_entry *e;
- for (e = opt->entries; e; e = e->next)
- if (!strcmp(e->name, name))
- {
- v = e->value;
- break;
- }
+ struct ZOOM_options_entry *e;
+ for (e = opt->entries; e; e = e->next)
+ if (!strcmp(e->name, name))
+ {
+ v = e->value;
+ *lenp = e->len;
+ break;
+ }
}
if (!v)
- v = ZOOM_options_get(opt->parent1, name);
+ v = ZOOM_options_getl(opt->parent1, name, lenp);
if (!v)
- v = ZOOM_options_get(opt->parent2, name);
+ v = ZOOM_options_getl(opt->parent2, name, lenp);
return v;
}
+ZOOM_API(const char *)
+ ZOOM_options_get(ZOOM_options opt, const char *name)
+{
+ int dummy;
+ return ZOOM_options_getl(opt, name, &dummy);
+}
+
ZOOM_API(int)
-ZOOM_options_get_bool (ZOOM_options opt, const char *name, int defa)
+ ZOOM_options_get_bool(ZOOM_options opt, const char *name, int defa)
{
- const char *v = ZOOM_options_get (opt, name);
+ const char *v = ZOOM_options_get(opt, name);
if (!v)
- return defa;
- if (!strcmp (v, "1") || !strcmp(v, "T"))
- return 1;
+ return defa;
+ if (!strcmp(v, "1") || !strcmp(v, "T"))
+ return 1;
return 0;
}
ZOOM_API(int)
-ZOOM_options_get_int (ZOOM_options opt, const char *name, int defa)
+ ZOOM_options_get_int(ZOOM_options opt, const char *name, int defa)
{
- const char *v = ZOOM_options_get (opt, name);
+ const char *v = ZOOM_options_get(opt, name);
if (!v || !*v)
- return defa;
+ return defa;
return atoi(v);
}
{
char s[40];
- sprintf (s, "%d", value);
- ZOOM_options_set (opt, name, s);
+ sprintf(s, "%d", value);
+ ZOOM_options_set(opt, name, s);
}
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+
projects / yaz-moved-to-github.git / blobdiff