/* dict - a generic dictionnary, variation over the B-tree concept */
-/* Authors: Martin Quinson */
-/* Copyright (C) 2003 the OURAGAN project. */
+/* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
- under the terms of the license (GNU LGPL) which comes with this package. */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#include "gras_private.h"
+#include "portable.h" /* PRINTF_STR */
#include "dict_private.h" /* prototypes of this module */
-GRAS_LOG_EXTERNAL_CATEGORY(dict);
-GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(dict_elm,dict,"Dictionaries internals");
+XBT_LOG_EXTERNAL_CATEGORY(dict);
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(dict_elm,dict,"Dictionaries internals");
-GRAS_LOG_NEW_SUBCATEGORY(dict_add,dict,"Dictionaries internals: elements addition");
-GRAS_LOG_NEW_SUBCATEGORY(dict_search,dict,"Dictionaries internals: searching");
-GRAS_LOG_NEW_SUBCATEGORY(dict_remove,dict,"Dictionaries internals: elements removal");
-GRAS_LOG_NEW_SUBCATEGORY(dict_collapse,dict,"Dictionaries internals: post-removal cleanup");
-GRAS_LOG_NEW_SUBCATEGORY(dict_multi,dict,"Dictionaries internals: dictionaries of dictionaries");
+XBT_LOG_NEW_SUBCATEGORY(dict_add,dict,"Dictionaries internals: elements addition");
+XBT_LOG_NEW_SUBCATEGORY(dict_search,dict,"Dictionaries internals: searching");
+XBT_LOG_NEW_SUBCATEGORY(dict_remove,dict,"Dictionaries internals: elements removal");
+XBT_LOG_NEW_SUBCATEGORY(dict_collapse,dict,"Dictionaries internals: post-removal cleanup");
+XBT_LOG_NEW_SUBCATEGORY(dict_multi,dict,"Dictionaries internals: dictionaries of dictionaries");
/*####[ Private prototypes ]#################################################*/
-static _GRAS_INLINE void _gras_dictelm_alloc(char *key,
- int offset,
- int key_len,
- void *data,
- void_f_pvoid_t *free_ctn,
- /*OUT*/gras_dictelm_t **where);
+static _XBT_INLINE void _xbt_dictelm_alloc(char *key,
+ int offset,
+ int key_len,
+ int internal,
+ void *data,
+ void_f_pvoid_t *free_f,
+ /*OUT*/s_xbt_dictelm_t **where);
static void _dictelm_wrapper_free(void*);
-static _GRAS_INLINE void _str_prefix_lgr(const char *key1,
+static _XBT_INLINE void _str_prefix_lgr(const char *key1,
int key_len1,
const char *key2,
int key_len2,
int *match);
-static void _gras_dictelm_dump_rec(gras_dictelm_t *head,
+static void _xbt_dictelm_dump_rec(s_xbt_dictelm_t *head,
int offset,
void_f_pvoid_t *output);
-static void _gras_dictelm_set_rec(gras_dictelm_t *head,
+static void _xbt_dictelm_set_rec(s_xbt_dictelm_t *head,
char *key,
int key_len,
int offset,
void *data,
- void_f_pvoid_t *free_ctn);
-static gras_error_t _gras_dictelm_get_rec(gras_dictelm_t *head,
+ void_f_pvoid_t *free_f);
+static xbt_error_t _xbt_dictelm_get_rec(s_xbt_dictelm_t *head,
const char *key,
int key_len,
int offset,
/* OUT */void **data);
-static gras_error_t _gras_dictelm_remove_rec(gras_dictelm_t *head,
+static xbt_error_t _xbt_dictelm_remove_rec(s_xbt_dictelm_t *head,
const char *key,
int key_len,
int offset);
-static _GRAS_INLINE
+static _XBT_INLINE
void
-_collapse_if_need(gras_dictelm_t *p_head,
+_collapse_if_need(s_xbt_dictelm_t *p_head,
int pos,
int offset);
/* ---- */
-static _GRAS_INLINE
+static _XBT_INLINE
void *
-gras_memdup(const void * const ptr,
+xbt_memdup(const void * const ptr,
const size_t length) {
void * new_ptr = NULL;
- new_ptr = gras_malloc(length);
+ new_ptr = xbt_malloc(length);
memcpy(new_ptr, ptr, length);
return new_ptr;
}
/*
- * _gras_nibble_to_char:
+ * _xbt_nibble_to_char:
*
* Change any byte to a printable char
*/
-static _GRAS_INLINE
+static _XBT_INLINE
char
-_gras_nibble_to_char(unsigned char c) {
+_xbt_nibble_to_char(unsigned char c) {
c &= 0x0f;
return c>9 ? c-10+'a' : c + '0';
}
/*
- * _gras_bytes_to_string:
+ * _xbt_bytes_to_string:
*
* Change any byte array to a printable string
* The length of string_container should at least be data_len*2+1
*/
-static _GRAS_INLINE
+static _XBT_INLINE
char *
-_gras_bytes_to_string(char * const ptr,
+_xbt_bytes_to_string(char * const ptr,
int data_len,
char * const string_container) {
unsigned char *src = (unsigned char *)ptr;
char *dst = string_container;
while (data_len--) {
- *dst++ = _gras_nibble_to_char(*src & 0x0f );
- *dst++ = _gras_nibble_to_char(*src++ & 0xf0 >> 4);
+ *dst++ = _xbt_nibble_to_char(*src & 0x0f );
+ *dst++ = _xbt_nibble_to_char(*src++ & 0xf0 >> 4);
}
*dst = 0;
/* ---- */
/*
- * _gras_dictelm_alloc:
+ * _xbt_dictelm_alloc:
*
* Alloc a dict element with no child.
*/
-static _GRAS_INLINE
+static _XBT_INLINE
void
-_gras_dictelm_alloc(char *key,
- int key_len,
- int offset,
- void *data,
- void_f_pvoid_t *free_ctn,
- /*OUT*/gras_dictelm_t **pp_elm) {
- gras_error_t errcode = no_error;
- gras_dictelm_t *p_elm = NULL;
+_xbt_dictelm_alloc(char *key,
+ int key_len,
+ int offset,
+ int internal,
+ void *data,
+ void_f_pvoid_t *free_f,
+ /*OUT*/s_xbt_dictelm_t **pp_elm) {
+ s_xbt_dictelm_t *p_elm = NULL;
- p_elm = gras_new(gras_dictelm_t,1);
+ p_elm = xbt_new(s_xbt_dictelm_t,1);
p_elm->key = key;
p_elm->key_len = key_len;
p_elm->offset = offset;
+ p_elm->internal = internal;
p_elm->content = data;
- p_elm->free_ctn = free_ctn;
-
- gras_dynar_new(&(p_elm->sub), sizeof(gras_dictelm_t*), _dictelm_wrapper_free);
+ p_elm->free_f = free_f;
+ p_elm->sub = xbt_dynar_new(sizeof(s_xbt_dictelm_t*), _dictelm_wrapper_free);
*pp_elm = p_elm;
}
/**
- * gras_dictelm_free:
+ * xbt_dictelm_free:
*
* @pp_elm: the dict elem to be freed
*
* Frees a dictionnary element with all its childs.
*/
void
-gras_dictelm_free(gras_dictelm_t **pp_elm) {
+xbt_dictelm_free(s_xbt_dictelm_t **pp_elm) {
if (*pp_elm) {
- gras_dictelm_t *p_elm = *pp_elm;
+ s_xbt_dictelm_t *p_elm = *pp_elm;
- gras_dynar_free(p_elm->sub);
+ xbt_dynar_free(&(p_elm->sub));
if (p_elm->key) {
- gras_free(p_elm->key);
+ free(p_elm->key);
}
- if (p_elm->free_ctn && p_elm->content) {
- p_elm->free_ctn(p_elm->content);
+ if (p_elm->free_f && p_elm->content) {
+ p_elm->free_f(p_elm->content);
}
- memset(p_elm, 0, sizeof (*p_elm));
-
- gras_free(p_elm);
+ free(p_elm);
*pp_elm = NULL;
}
}
void
_dictelm_wrapper_free(void *pp_elm) {
DEBUG3("Free dictelm '%.*s' %p",
- (*(gras_dictelm_t**)pp_elm)->key_len, (*(gras_dictelm_t**)pp_elm)->key,
+ (*(s_xbt_dictelm_t**)pp_elm)->key_len, (*(s_xbt_dictelm_t**)pp_elm)->key,
*(void**)pp_elm);
- gras_dictelm_free((gras_dictelm_t**)pp_elm);
+ xbt_dictelm_free((s_xbt_dictelm_t**)pp_elm);
}
/*####[ utility functions ]##################################################*/
*
*
* Returns the length of the common prefix of @str1 and @str2.
- * Do make sure the strings are not null
+ * Do make sure the strings are not null, this function don't
*/
-static _GRAS_INLINE
+static _XBT_INLINE
void
_str_prefix_lgr(const char *key1,
int key_len1,
if (o >= key_len1) {
if (o >= key_len2) {
- m = 1;
+ m = 1; /* exact match */
} else {
- m = 2;
+ m = 2; /* child is prefix */
}
} else if (o >= key_len2) {
- m = 3;
- } else {
- m = 4;
+ m = 3; /* key prefix of child */
+ } else {
+ DEBUG7("Common prefix. o=%d; key1=%.*s; key_len1=%d; key2=%.*s; key_len2=%d",
+ o,
+ key_len1, key1,
+ key_len1,
+ key_len2, key2,
+ key_len2);
+ m = 4; /* Common prefix (=> common ancestor) */
}
}
* _dictelm_child_cmp:
*
* Compares two dictelm keys and return their matching (using the same
- * convention than @_gras_dict_child_search() )
+ * convention than @_xbt_dict_child_search() )
*/
-static _GRAS_INLINE
+static _XBT_INLINE
void
-_dict_child_cmp(gras_dictelm_t *p_dict,
+_dict_child_cmp(s_xbt_dictelm_t *p_dict,
int pos,
const char *key,
const int key_len,
int *p_offset,
int *p_match,
int *p_cmp) {
- gras_dictelm_t *p_child = NULL;
+ s_xbt_dictelm_t *p_child = NULL;
int cmp = 0;
int o = *p_offset;
int m = *p_match;
- gras_dynar_get(p_dict->sub, pos, &p_child);
+ p_child = xbt_dynar_get_as(p_dict->sub, pos, s_xbt_dictelm_t*);
/* Compute the length of the prefix
and if the searched key is before or after cur */
}
/**
- * _gras_dict_child_search:
+ * _xbt_dict_child_search:
*
* Search where would be inserted @key between the childs of @p_elm.
*
* handled by previous levels of recursion. In output, that the one counting
* also this level.
*/
-static _GRAS_INLINE
+static _XBT_INLINE
void
-_gras_dictelm_child_search(gras_dictelm_t *p_elm,
- const char *key,
- int key_len,
- int *p_pos,
- int *p_offset,
- int *p_match) {
+_xbt_dictelm_child_search(s_xbt_dictelm_t *p_elm,
+ const char *key,
+ int key_len,
+ int *p_pos,
+ int *p_offset,
+ int *p_match) {
int p = 0;
int o = *p_offset;
int len = 0;
- CDEBUG5(dict_search, "search child [%.*s] under [%.*s] (len=%lu)",
+ CDEBUG6(dict_search, "search child [%.*s] under [%.*s]=%p (len=%lu)",
key_len, key,
- p_elm?p_elm->key_len:6, p_elm?p_elm->key:"(head)",
- (p_elm&&p_elm->sub)?gras_dynar_length(p_elm->sub):0);
+ p_elm ? (p_elm->key_len?p_elm->key_len:6) : 6,
+ p_elm ? PRINTF_STR(p_elm->key) : "(head)",
+ p_elm,
+ (p_elm&&p_elm->sub) ? xbt_dynar_length(p_elm->sub) : 0);
- len = gras_dynar_length(p_elm->sub);
-
- for (p = 0; p < len; p++) {
- int cmp = 0;
-
- _dict_child_cmp(p_elm, p, key, key_len, &o, &m, &cmp);
+ len = xbt_dynar_length(p_elm->sub);
- if (m)
- break;
-
- o = *p_offset;
- m = 0;
+ {
+ int p_min = 0;
+ int p_max = len-1;
+ int cmp = 0;
+
+ p = p_min;
+ if(len==0) {
+ p=0;
+ } else {
+ _dict_child_cmp(p_elm, p_min, key, key_len, &o, &m, &cmp);
+ if(!m) { /* OK, maybe it is somewhere else. */
+ o = *p_offset;
+ if (cmp<0) { /* Insert at the very beginning */
+ p=0;
+ } else if (p_max<=0) { /* No way. It is not there. Insert at the very end */
+ p=p_max+1;
+ m = 0;
+ } else {
+ p=p_max;
+ _dict_child_cmp(p_elm, p_max, key, key_len, &o, &m, &cmp);
+ if(!m) {
+ o = *p_offset;
+ if(cmp>0) { /* Should be located at the end of the table */
+ p=p_max+1;
+ } else { /* Too bad, let's go for a dichotomic search. */
+ while(p_max-p_min>1) {
+ _dict_child_cmp(p_elm, (p_min+p_max)/2, key, key_len, &o, &m, &cmp);
+ if(m) break;
+ o = *p_offset;
+ if(cmp<0) p_max=(p_min+p_max)/2;
+ if(cmp>0) p_min=(p_min+p_max)/2;
+ }
+ if(m) /* We have the element */
+ p=(p_min+p_max)/2 ;
+ else /* it should be inserted just after p_min */
+ p=p_min + 1;
+ }
+ }
+ }
+ }
+ }
}
*p_offset = o;
*p_pos = p;
*p_match = m;
- CDEBUG5(dict_search, "search [%.*s] in [%.*s] => %s",
+ CDEBUG6(dict_search, "search [%.*s] in [%.*s]=%p => %s",
key_len, key,
- p_elm?p_elm->key_len:6, p_elm?p_elm->key:"(head)",
+ p_elm?(p_elm->key_len?p_elm->key_len:6):6, p_elm?PRINTF_STR(p_elm->key):"(head)",
+ p_elm,
( m == 0 ? "no child have a common prefix" :
( m == 1 ? "selected child have exactly this key" :
( m == 2 ? "selected child constitutes a prefix" :
}
/**
- * _gras_dictelm_change_value:
+ * _xbt_dictelm_change_value:
*
- * Change the value of the dictelm, making sure to free the old one, if any.
+ * Change the value of the dictelm, making sure to free the old one, if any. The node also become a non-internal one.
*/
-static _GRAS_INLINE
+static _XBT_INLINE
void
-_gras_dictelm_change_value(gras_dictelm_t *p_elm,
+_xbt_dictelm_change_value(s_xbt_dictelm_t *p_elm,
void *data,
- void_f_pvoid_t *free_ctn) {
+ void_f_pvoid_t *free_f) {
- if (p_elm->content && p_elm->free_ctn) {
- p_elm->free_ctn(p_elm->content);
+ if (p_elm->content && p_elm->free_f) {
+ p_elm->free_f(p_elm->content);
}
- p_elm->free_ctn = free_ctn;
+ p_elm->free_f = free_f;
p_elm->content = data;
+ p_elm->internal = FALSE;
}
/**
- * _gras_dictelm_set_rec:
+ * _xbt_dictelm_set_rec:
*
* @head: the head of the dict
* @key: the key to set the new data
* @offset: offset on key.
* @data: the data to add in the dict
- * @Returns: a gras_error
*
* set the @data in the structure under the @key. The @key is destroyed
* in the process. Think to strdup it before.
*
- * This is a helper function to gras_dict_set which locks the struct and
+ * This is a helper function to xbt_dict_set which locks the struct and
* strdup the key before action.
*/
void
-_gras_dictelm_set_rec(gras_dictelm_t *p_head,
+_xbt_dictelm_set_rec(s_xbt_dictelm_t *p_head,
char *key,
int key_len,
int offset,
void *data,
- void_f_pvoid_t *free_ctn) {
+ void_f_pvoid_t *free_f) {
int match = 0;
int pos = 0;
const int old_offset = offset;
CDEBUG0(dict_add, "--> Change the value of head");
- _gras_dictelm_change_value(p_head, data, free_ctn);
- gras_free(key); /* Keep the key used in the tree */
+ _xbt_dictelm_change_value(p_head, data, free_f);
+ free(key); /* Keep the key used in the tree */
return;
}
/*** Search where to add this child, and how ***/
- _gras_dictelm_child_search(p_head, key, key_len, &pos, &offset, &match);
+ _xbt_dictelm_child_search(p_head, key, key_len, &pos, &offset, &match);
CDEBUG3(dict_add, "child_search => pos=%d, offset=%d, match=%d",
pos, offset, match);
case 0: /* no child have a common prefix */
{
- gras_dictelm_t *p_child = NULL;
+ s_xbt_dictelm_t *p_child = NULL;
- _gras_dictelm_alloc(key, key_len, offset, data, free_ctn, &p_child);
+ _xbt_dictelm_alloc(key, key_len, offset, FALSE, data, free_f, &p_child);
CDEBUG1(dict_add, "-> Add a child %p", (void*)p_child);
- gras_dynar_insert_at(p_head->sub, pos, &p_child);
+ xbt_dynar_insert_at(p_head->sub, pos, &p_child);
return;
}
case 1: /* A child have exactly this key => change its value*/
{
- gras_dictelm_t *p_child = NULL;
+ s_xbt_dictelm_t *p_child = NULL;
- gras_dynar_get(p_head->sub, pos, &p_child);
+ p_child = xbt_dynar_get_as(p_head->sub, pos, s_xbt_dictelm_t*);
CDEBUG1(dict_add, "-> Change the value of the child %p", (void*)p_child);
- _gras_dictelm_change_value(p_child, data, free_ctn);
+ _xbt_dictelm_change_value(p_child, data, free_f);
- gras_free(key);
+ free(key);
return;
}
case 2: /* A child constitutes a prefix of the key => recurse */
{
- gras_dictelm_t *p_child = NULL;
+ s_xbt_dictelm_t *p_child = NULL;
- gras_dynar_get(p_head->sub, pos, &p_child);
+ p_child=xbt_dynar_get_as(p_head->sub, pos, s_xbt_dictelm_t*);
CDEBUG2(dict_add,"-> Recurse on %p (offset=%d)", (void*)p_child, offset);
- _gras_dictelm_set_rec(p_child, key, key_len,
- offset, data, free_ctn);
+ _xbt_dictelm_set_rec(p_child, key, key_len,
+ offset, data, free_f);
return;
}
case 3: /* The key is a prefix of the child => child becomes child of p_new */
{
- gras_dictelm_t *p_new = NULL;
- gras_dictelm_t *p_child = NULL;
+ s_xbt_dictelm_t *p_new = NULL;
+ s_xbt_dictelm_t *p_child = NULL;
- gras_dynar_get(p_head->sub, pos, &p_child);
- _gras_dictelm_alloc(key, key_len, old_offset, data, free_ctn, &p_new);
+ p_child=xbt_dynar_get_as(p_head->sub, pos, s_xbt_dictelm_t*);
+ _xbt_dictelm_alloc(key, key_len, old_offset, FALSE, data, free_f, &p_new);
CDEBUG2(dict_add, "-> The child %p become child of new dict (%p)",
(void*)p_child, (void*)p_new);
- gras_dynar_push(p_new->sub, &p_child);
+ xbt_dynar_push(p_new->sub, &p_child);
p_child->offset = offset;
- gras_dynar_set(p_head->sub, pos, &p_new);
+ xbt_dynar_set(p_head->sub, pos, &p_new);
return;
}
case 4: /* A child share a common prefix with this key => Common ancestor */
{
- gras_dictelm_t *p_new = NULL;
- gras_dictelm_t *p_child = NULL;
- gras_dictelm_t *p_anc = NULL;
+ s_xbt_dictelm_t *p_new = NULL;
+ s_xbt_dictelm_t *p_child = NULL;
+ s_xbt_dictelm_t *p_anc = NULL;
char *anc_key = NULL;
int anc_key_len = offset;
- _gras_dictelm_alloc(key, key_len, offset, data, free_ctn, &p_new);
- gras_dynar_get(p_head->sub, pos, &p_child);
+ _xbt_dictelm_alloc(key, key_len, offset, FALSE, data, free_f, &p_new);
+ p_child=xbt_dynar_get_as(p_head->sub, pos, s_xbt_dictelm_t*);
- anc_key = gras_memdup(key, anc_key_len);
+ anc_key = xbt_memdup(key, anc_key_len);
- _gras_dictelm_alloc(anc_key, anc_key_len, old_offset, NULL, NULL, &p_anc);
+ _xbt_dictelm_alloc(anc_key, anc_key_len, old_offset, TRUE, NULL, NULL, &p_anc);
CDEBUG3(dict_add, "-> Make a common ancestor %p (%.*s)",
(void*)p_anc, anc_key_len, anc_key);
if (key[offset] < p_child->key[offset]) {
- gras_dynar_push(p_anc->sub, &p_new);
- gras_dynar_push(p_anc->sub, &p_child);
+ xbt_dynar_push(p_anc->sub, &p_new);
+ xbt_dynar_push(p_anc->sub, &p_child);
} else {
- gras_dynar_push(p_anc->sub, &p_child);
- gras_dynar_push(p_anc->sub, &p_new);
+ xbt_dynar_push(p_anc->sub, &p_child);
+ xbt_dynar_push(p_anc->sub, &p_new);
}
p_child->offset = offset;
- gras_dynar_set(p_head->sub, pos, &p_anc);
+ xbt_dynar_set(p_head->sub, pos, &p_anc);
return;
}
}
/**
- * gras_dictelm_set_ext:
+ * xbt_dictelm_set_ext:
*
* @head: the head of the dict
* @key: the key to set the new data
* @data: the data to add in the dict
- * @Returns: a gras_error
*
* set the @data in the structure under the @key, which can be any kind
* of data, as long as its length is provided in @key_len.
*/
void
-gras_dictelm_set_ext(gras_dictelm_t **pp_head,
+xbt_dictelm_set_ext(s_xbt_dictelm_t **pp_head,
const char *_key,
int key_len,
void *data,
- void_f_pvoid_t *free_ctn) {
- gras_dictelm_t *p_head = *pp_head;
+ void_f_pvoid_t *free_f) {
+ s_xbt_dictelm_t *p_head = *pp_head;
char *key = NULL;
- key = gras_memdup(_key, key_len);
+ key = xbt_memdup(_key, key_len+1);
/* there is no head, create it */
if (!p_head) {
- gras_dictelm_t *p_child = NULL;
+ s_xbt_dictelm_t *p_child = NULL;
CDEBUG0(dict_add, "Create an head");
/* The head is priviledged by being the only one with a NULL key */
- _gras_dictelm_alloc(NULL, 0, 0, NULL, NULL, &p_head);
+ _xbt_dictelm_alloc(NULL, 0, 0, TRUE, NULL, NULL, &p_head);
- _gras_dictelm_alloc(key, key_len, 0, data, free_ctn, &p_child);
- gras_dynar_insert_at(p_head->sub, 0, &p_child);
+ CDEBUG2(dict_add, "Push %.*s as child of this head",key_len,key);
+ _xbt_dictelm_alloc(key, key_len, 0, FALSE, data, free_f, &p_child);
+ xbt_dynar_insert_at(p_head->sub, 0, &p_child);
*pp_head = p_head;
return;
}
- _gras_dictelm_set_rec(p_head, key, key_len, 0, data, free_ctn);
+ _xbt_dictelm_set_rec(p_head, key, key_len, 0, data, free_f);
}
/**
- * gras_dictelm_set:
+ * xbt_dictelm_set:
*
* @head: the head of the dict
* @key: the key to set the new data
* @data: the data to add in the dict
- * @Returns: a gras_error
*
* set the @data in the structure under the @key, which is a
* null terminated string.
*/
void
-gras_dictelm_set(gras_dictelm_t **pp_head,
+xbt_dictelm_set(s_xbt_dictelm_t **pp_head,
const char *_key,
void *data,
- void_f_pvoid_t *free_ctn) {
+ void_f_pvoid_t *free_f) {
- gras_dictelm_set_ext(pp_head, _key, 1+strlen(_key), data, free_ctn);
+ xbt_dictelm_set_ext(pp_head, _key, strlen(_key), data, free_f);
}
/**
- * _gras_dict_get_rec:
+ * _xbt_dict_get_rec:
*
* @head: the head of the dict
* @key: the key to find data
* @offset: offset on the key
* @data: the data that we are looking for
- * @Returns: gras_error
+ * @Returns: xbt_error
*
* Search the given @key. mismatch_error when not found.
*/
static
-gras_error_t
-_gras_dictelm_get_rec(gras_dictelm_t *p_head,
+xbt_error_t
+_xbt_dictelm_get_rec(s_xbt_dictelm_t *p_head,
const char *key,
int key_len,
int offset,
void **data) {
- void *res;
CDEBUG3(dict_search, "Search %.*s in %p", key_len, key, (void*)p_head);
int match = 0;
int pos = 0;
- *data = NULL; /* Make it ready to answer 'not found' in one operation */
+ *data = NULL; /* Let's be clean */
/*** Search where is the good child, and how good it is ***/
- _gras_dictelm_child_search(p_head, key, key_len, &pos, &offset, &match);
+ _xbt_dictelm_child_search(p_head, key, key_len, &pos, &offset, &match);
switch (match) {
case 1: /* A child have exactly this key => Got it */
{
- gras_dictelm_t *p_child = NULL;
+ s_xbt_dictelm_t *p_child = NULL;
- gras_dynar_get(p_head->sub, pos, &p_child);
+ p_child = xbt_dynar_get_as(p_head->sub, pos, s_xbt_dictelm_t*);
*data = p_child->content;
return no_error;
case 2: /* A child constitutes a prefix of the key => recurse */
{
- gras_dictelm_t *p_child = NULL;
+ s_xbt_dictelm_t *p_child = NULL;
- gras_dynar_get(p_head->sub, pos, &p_child);
+ p_child = xbt_dynar_get_as(p_head->sub, pos, s_xbt_dictelm_t*);
- return _gras_dictelm_get_rec(p_child, key, key_len, offset, data);
+ return _xbt_dictelm_get_rec(p_child, key, key_len, offset, data);
}
case 3: /* The key is a prefix of the child => not found */
}
/**
- * gras_dictelm_get_ext:
+ * xbt_dictelm_get_ext:
*
* @head: the head of the dict
* @key: the key to find data
* @data: the data that we are looking for
- * @Returns: gras_error
+ * @Returns: xbt_error
*
* Search the given @key. mismatch_error when not found.
*/
-gras_error_t
-gras_dictelm_get_ext(gras_dictelm_t *p_head,
+xbt_error_t
+xbt_dictelm_get_ext(s_xbt_dictelm_t *p_head,
const char *key,
int key_len,
/* OUT */void **data) {
return mismatch_error;
}
- return _gras_dictelm_get_rec(p_head, key, key_len, 0, data);
+ return _xbt_dictelm_get_rec(p_head, key, key_len, 0, data);
}
/**
- * gras_dictelm_get:
+ * xbt_dictelm_get:
*
* @head: the head of the dict
* @key: the key to find data
* @data: the data that we are looking for
- * @Returns: gras_error
+ * @Returns: xbt_error
*
* Search the given @key. mismatch_error when not found.
*/
-gras_error_t
-gras_dictelm_get(gras_dictelm_t *p_head,
+xbt_error_t
+xbt_dictelm_get(s_xbt_dictelm_t *p_head,
const char *key,
/* OUT */void **data) {
- return gras_dictelm_get_ext(p_head, key, 1+strlen(key), data);
+ return xbt_dictelm_get_ext(p_head, key, strlen(key), data);
}
-/*----[ _gras_dict_collapse ]------------------------------------------------*/
-static _GRAS_INLINE
+/*----[ _xbt_dict_collapse ]------------------------------------------------*/
+static _XBT_INLINE
void
-_collapse_if_need(gras_dictelm_t *p_head,
- int pos,
- int offset) {
- gras_dictelm_t *p_child = NULL;
+_collapse_if_need(xbt_dictelm_t head,
+ int pos,
+ int offset) {
+ xbt_dictelm_t child = NULL;
- CDEBUG2(dict_collapse, "Collapse %d of %p... ", pos, (void*)p_head);
+ CDEBUG2(dict_collapse, "Collapse %d of %p... ", pos, (void*)head);
if (pos >= 0) {
/* Remove the child if |it's key| == 0 (meaning it's dead) */
- gras_dynar_get(p_head->sub, pos, &p_child);
+ child = xbt_dynar_get_as(head->sub, pos, xbt_dictelm_t);
- if (offset >= p_child->key_len) {
+ if (offset >= child->key_len) {
- gras_assert0(gras_dynar_length(p_child->sub) == 0,
+ xbt_assert0(xbt_dynar_length(child->sub) == 0,
"Found a dead child with grand childs. Internal error");
- CDEBUG1(dict_collapse, "Remove dead child %p.... ", (void*)p_child);
- gras_dynar_remove_at(p_head->sub, pos, &p_child);
+ CDEBUG1(dict_collapse, "Remove dead child %p.... ", (void*)child);
+ xbt_dynar_remove_at(head->sub, pos, &child);
+ xbt_dictelm_free(&child);
}
}
- if (!p_head->key) {
+ if (!head->key) {
CDEBUG0(dict_collapse, "Do not collapse the head, you stupid programm");
return;
}
- if (p_head->content || p_head->free_ctn ||
- gras_dynar_length(p_head->sub) != 1) {
+ if (head->content || head->free_f ||
+ xbt_dynar_length(head->sub) != 1) {
CDEBUG0(dict_collapse, "Cannot collapse");
return; /* cannot collapse */
}
- gras_dynar_get(p_head->sub, 0, &p_child);
+ child = xbt_dynar_get_as(head->sub, 0, xbt_dictelm_t);
/* Get the child's key as new key */
CDEBUG2(dict_collapse,
- "Do collapse with only child %.*s", p_child->key_len, p_child->key);
+ "Do collapse with only child %.*s", child->key_len, child->key);
- p_head->content = p_child->content;
- p_head->free_ctn = p_child->free_ctn;
- gras_free(p_head->key);
- p_head->key = p_child->key;
- p_head->key_len = p_child->key_len;
+ head->content = child->content;
+ head->free_f = child->free_f;
+ free(head->key);
+ head->key = child->key;
+ head->key_len = child->key_len;
- gras_dynar_free_container(p_head->sub) ;
+ xbt_dynar_free_container(&(head->sub)) ;
- p_head->sub = p_child->sub;
- gras_free(p_child);
+ head->sub = child->sub;
+ free(child);
}
/**
- * _gras_dict_remove_rec:
+ * _xbt_dict_remove_rec:
*
* @head: the head of the dict
* @key: the key of the data to be removed
* @offset: offset on the key
- * @Returns: gras_error_t
+ * @Returns: xbt_error_t
*
* Remove the entry associated with the given @key
*/
-gras_error_t
-_gras_dictelm_remove_rec(gras_dictelm_t *p_head,
+xbt_error_t
+_xbt_dictelm_remove_rec(xbt_dictelm_t head,
const char *key,
int key_len,
int offset) {
- gras_error_t errcode = no_error;
+ xbt_error_t errcode = no_error;
/* there is no key to search, we did enough recursion => kill current */
if (offset >= key_len) {
int killme = 0; /* do I need to suicide me ? */
- if (p_head->content && p_head->free_ctn) {
- p_head->free_ctn(p_head->content);
+ if (head->content && head->free_f) {
+ head->free_f(head->content);
}
- killme = !gras_dynar_length(p_head->sub);
- p_head->content = NULL;
- p_head->free_ctn = NULL;
- _collapse_if_need(p_head, -1, offset);
+ killme = !xbt_dynar_length(head->sub);
+ head->content = NULL;
+ head->free_f = NULL;
+ _collapse_if_need(head, -1, offset);
if (killme) {
DEBUG0("kill this node");
- p_head->key_len = 0; /* killme. Cleanup done one step higher in recursion */
+ head->key_len = 0; /* killme. Cleanup done one step higher in recursion */
}
return errcode;
int old_offset = offset;
/*** Search where is the good child, and how good it is ***/
- _gras_dictelm_child_search(p_head, key, key_len, &pos, &offset, &match);
+ _xbt_dictelm_child_search(head, key, key_len, &pos, &offset, &match);
switch (match) {
case 2: /* A child constitutes a prefix of the key => recurse */
{
- gras_dictelm_t *p_child = NULL;
+ s_xbt_dictelm_t *p_child = NULL;
- gras_dynar_get(p_head->sub, pos, &p_child);
+ p_child = xbt_dynar_get_as(head->sub, pos, s_xbt_dictelm_t*);
/*DEBUG5("Recurse on child %d of %p to remove %.*s (prefix=%d)",
pos, (void*)p_child, key+offset, key_len-offset,offset);*/
- TRY(_gras_dictelm_remove_rec(p_child, key, key_len, offset));
+ TRY(_xbt_dictelm_remove_rec(p_child, key, key_len, offset));
- _collapse_if_need(p_head, pos, old_offset);
+ _collapse_if_need(head, pos, old_offset);
return no_error;
}
}
/**
- * gras_dictelm_remove_ext:
+ * xbt_dictelm_remove_ext:
*
* @head: the head of the dict
* @key: the key of the data to be removed
- * @Returns: gras_error_t
+ * @Returns: xbt_error_t
*
* Remove the entry associated with the given @key
*/
-gras_error_t
-gras_dictelm_remove_ext(gras_dictelm_t *p_head,
- const char *key,
- int key_len) {
+xbt_error_t
+xbt_dictelm_remove_ext(xbt_dictelm_t head,
+ const char *key,
+ int key_len) {
/* there is no head, go to hell */
- if (!p_head) {
+ if (!head) {
RAISE0(mismatch_error, "there is no head, go to hell");
}
- return _gras_dictelm_remove_rec(p_head, key, key_len, 0);
+ return _xbt_dictelm_remove_rec(head, key, key_len, 0);
}
/**
- * gras_dictelm_remove:
+ * xbt_dictelm_remove:
*
* @head: the head of the dict
* @key: the key of the data to be removed
- * @Returns: gras_error_t
+ * @Returns: xbt_error_t
*
* Remove the entry associated with the given @key
*/
-gras_error_t
-gras_dictelm_remove(gras_dictelm_t *p_head,
+xbt_error_t
+xbt_dictelm_remove(xbt_dictelm_t head,
const char *key) {
- return _gras_dictelm_remove_rec(p_head, key, 1+strlen(key),0);
+ return _xbt_dictelm_remove_rec(head, key, strlen(key),0);
}
-/*----[ _gras_dict_dump_rec ]------------------------------------------------*/
-/* private function to do the job of gras_dict_dump recursively */
+/*----[ _xbt_dict_dump_rec ]------------------------------------------------*/
+/* private function to do the job of xbt_dict_dump recursively */
/*---------------------------------------------------------------------------*/
static
void
-_gras_dictelm_dump_rec(gras_dictelm_t *p_head,
- int offset,
- void_f_pvoid_t *output) {
- gras_dictelm_t *p_child = NULL;
- char *key = NULL;
- int key_len = 0;
- int i = 0;
-
- if (!p_head)
+_xbt_dictelm_dump_rec(xbt_dictelm_t head,
+ int offset,
+ void_f_pvoid_t *output) {
+ xbt_dictelm_t child = NULL;
+ char *key = NULL;
+ int key_len = 0;
+ int i = 0;
+
+ if (!head)
return;
- printf("[%p] ", (void*)p_head);
+ printf("[%p] ", (void*)head);
- key = p_head->key;
- key_len = p_head->key_len;
+ key = head->key;
+ key_len = head->key_len;
if (key_len)
printf (" ");
fflush(stdout);
if (key) {
-
- if (!key_len) {
- printf ("HEAD");
- } else {
- char *key_string = NULL;
-
- key_string = gras_malloc(key_len*2+1);
- _gras_bytes_to_string(key, key_len, key_string);
-
- printf("%.*s|(%d)", key_len-offset, key_string + offset, offset);
-
- gras_free(key_string);
- }
-
+
+ if (!key_len) {
+ printf ("HEAD");
+ } else if (key[key_len] != '\0') {
+ char *key_string = NULL;
+
+ key_string = xbt_malloc(key_len*2+1);
+ _xbt_bytes_to_string(key, key_len, key_string);
+
+ printf("%.*s|(%d)", key_len-2*offset, key_string + 2*offset, offset);
+
+ free(key_string);
+ } else {
+ printf("%.*s|(%d)", key_len-offset, key + offset , offset);
+ }
}
printf(" -> ");
- if (p_head->content) {
+ if (head->content) {
if (output) {
- output(p_head->content);
+ output(head->content);
} else {
printf("(data)");
}
+ } else if (head->internal) {
+ printf("(internal node)");
} else {
printf("(null)");
}
- printf(" \t\t\t[ %lu child(s) ]\n", gras_dynar_length(p_head->sub));
+ printf(" \t\t\t[ %lu child(s) ]\n", xbt_dynar_length(head->sub));
- gras_dynar_foreach(p_head->sub, i, p_child)
- _gras_dictelm_dump_rec(p_child, p_child->offset, output);
+ xbt_dynar_foreach(head->sub, i, child)
+ _xbt_dictelm_dump_rec(child, child->offset, output);
}
/**
- * gras_dictelm_dump:
+ * xbt_dictelm_dump:
*
* @head: the head of the dict
* @output: a function to dump each data in the tree
- * @Returns: gras_error_t
+ * @Returns: xbt_error_t
*
* Ouputs the content of the structure. (for debuging purpose). @ouput is a
* function to output the data. If NULL, data won't be displayed.
*/
void
-gras_dictelm_dump(gras_dictelm_t *p_head,
- void_f_pvoid_t *output) {
- _gras_dictelm_dump_rec(p_head, 0, output);
+xbt_dictelm_dump(xbt_dictelm_t head,
+ void_f_pvoid_t *output) {
+ _xbt_dictelm_dump_rec(head, 0, output);
}
/**
- * gras_dictelm_print_fct:
+ * xbt_dictelm_print_fct:
*
* @data:
*
*/
void
-gras_dictelm_print_fct(void *data) {
+xbt_dictelm_print_fct(void *data) {
printf("tree %p", (void*)data);
}