project_files/frontlib/iniparser/dictionary.c
author Wuzzy <Wuzzy2@mail.ru>
Fri, 12 Oct 2018 03:40:21 +0200
changeset 13881 99b265e0d1d0
parent 10017 de822cd3df3a
permissions -rw-r--r--
Drop internal PhysFS, bump PhysFS requirement to 3.0.0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
7175
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
     1
/*-------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
     2
/**
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
     3
   @file    dictionary.c
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
     4
   @author  N. Devillard
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
     5
   @brief   Implements a dictionary for string variables.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
     6
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
     7
   This module implements a simple dictionary object, i.e. a list
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
     8
   of string/string associations. This object is useful to store e.g.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
     9
   informations retrieved from a configuration file (ini files).
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    10
*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    11
/*--------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    12
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    13
/*---------------------------------------------------------------------------
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    14
                                Includes
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    15
 ---------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    16
#include "dictionary.h"
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    17
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    18
#include <stdio.h>
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    19
#include <stdlib.h>
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    20
#include <string.h>
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    21
#include <unistd.h>
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    22
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    23
/** Maximum value size for integers and doubles. */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    24
#define MAXVALSZ    1024
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    25
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    26
/** Minimal allocated number of entries in a dictionary */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    27
#define DICTMINSZ   128
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    28
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    29
/** Invalid key token */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    30
#define DICT_INVALID_KEY    ((char*)-1)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    31
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    32
/*---------------------------------------------------------------------------
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    33
                            Private functions
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    34
 ---------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    35
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    36
/* Doubles the allocated size associated to a pointer */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    37
/* 'size' is the current allocated size. */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    38
static void * mem_double(void * ptr, int size)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    39
{
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    40
    void * newptr ;
10017
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7175
diff changeset
    41
7175
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    42
    newptr = calloc(2*size, 1);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    43
    if (newptr==NULL) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    44
        return NULL ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    45
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    46
    memcpy(newptr, ptr, size);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    47
    free(ptr);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    48
    return newptr ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    49
}
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    50
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    51
/*-------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    52
/**
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    53
  @brief    Duplicate a string
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    54
  @param    s String to duplicate
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    55
  @return   Pointer to a newly allocated string, to be freed with free()
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    56
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    57
  This is a replacement for strdup(). This implementation is provided
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    58
  for systems that do not have it.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    59
 */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    60
/*--------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    61
static char * xstrdup(const char * s)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    62
{
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    63
    char * t ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    64
    if (!s)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    65
        return NULL ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    66
    t = (char*)malloc(strlen(s)+1) ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    67
    if (t) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    68
        strcpy(t,s);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    69
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    70
    return t ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    71
}
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    72
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    73
/*---------------------------------------------------------------------------
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    74
                            Function codes
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    75
 ---------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    76
/*-------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    77
/**
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    78
  @brief    Compute the hash key for a string.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    79
  @param    key     Character string to use for key.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    80
  @return   1 unsigned int on at least 32 bits.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    81
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    82
  This hash function has been taken from an Article in Dr Dobbs Journal.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    83
  This is normally a collision-free function, distributing keys evenly.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    84
  The key is stored anyway in the struct so that collision can be avoided
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    85
  by comparing the key itself in last resort.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    86
 */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    87
/*--------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    88
unsigned dictionary_hash(const char * key)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    89
{
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    90
    int         len ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    91
    unsigned    hash ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    92
    int         i ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    93
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    94
    len = strlen(key);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    95
    for (hash=0, i=0 ; i<len ; i++) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    96
        hash += (unsigned)key[i] ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    97
        hash += (hash<<10);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    98
        hash ^= (hash>>6) ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
    99
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   100
    hash += (hash <<3);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   101
    hash ^= (hash >>11);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   102
    hash += (hash <<15);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   103
    return hash ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   104
}
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   105
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   106
/*-------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   107
/**
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   108
  @brief    Create a new dictionary object.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   109
  @param    size    Optional initial size of the dictionary.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   110
  @return   1 newly allocated dictionary objet.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   111
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   112
  This function allocates a new dictionary object of given size and returns
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   113
  it. If you do not know in advance (roughly) the number of entries in the
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   114
  dictionary, give size=0.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   115
 */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   116
/*--------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   117
dictionary * dictionary_new(int size)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   118
{
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   119
    dictionary  *   d ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   120
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   121
    /* If no size was specified, allocate space for DICTMINSZ */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   122
    if (size<DICTMINSZ) size=DICTMINSZ ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   123
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   124
    if (!(d = (dictionary *)calloc(1, sizeof(dictionary)))) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   125
        return NULL;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   126
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   127
    d->size = size ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   128
    d->val  = (char **)calloc(size, sizeof(char*));
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   129
    d->key  = (char **)calloc(size, sizeof(char*));
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   130
    d->hash = (unsigned int *)calloc(size, sizeof(unsigned));
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   131
    return d ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   132
}
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   133
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   134
/*-------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   135
/**
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   136
  @brief    Delete a dictionary object
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   137
  @param    d   dictionary object to deallocate.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   138
  @return   void
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   139
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   140
  Deallocate a dictionary object and all memory associated to it.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   141
 */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   142
/*--------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   143
void dictionary_del(dictionary * d)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   144
{
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   145
    int     i ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   146
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   147
    if (d==NULL) return ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   148
    for (i=0 ; i<d->size ; i++) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   149
        if (d->key[i]!=NULL)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   150
            free(d->key[i]);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   151
        if (d->val[i]!=NULL)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   152
            free(d->val[i]);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   153
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   154
    free(d->val);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   155
    free(d->key);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   156
    free(d->hash);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   157
    free(d);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   158
    return ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   159
}
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   160
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   161
/*-------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   162
/**
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   163
  @brief    Get a value from a dictionary.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   164
  @param    d       dictionary object to search.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   165
  @param    key     Key to look for in the dictionary.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   166
  @param    def     Default value to return if key not found.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   167
  @return   1 pointer to internally allocated character string.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   168
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   169
  This function locates a key in a dictionary and returns a pointer to its
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   170
  value, or the passed 'def' pointer if no such key can be found in
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   171
  dictionary. The returned character pointer points to data internal to the
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   172
  dictionary object, you should not try to free it or modify it.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   173
 */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   174
/*--------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   175
char * dictionary_get(dictionary * d, const char * key, char * def)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   176
{
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   177
    unsigned    hash ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   178
    int         i ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   179
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   180
    hash = dictionary_hash(key);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   181
    for (i=0 ; i<d->size ; i++) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   182
        if (d->key[i]==NULL)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   183
            continue ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   184
        /* Compare hash */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   185
        if (hash==d->hash[i]) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   186
            /* Compare string, to avoid hash collisions */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   187
            if (!strcmp(key, d->key[i])) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   188
                return d->val[i] ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   189
            }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   190
        }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   191
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   192
    return def ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   193
}
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   194
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   195
/*-------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   196
/**
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   197
  @brief    Set a value in a dictionary.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   198
  @param    d       dictionary object to modify.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   199
  @param    key     Key to modify or add.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   200
  @param    val     Value to add.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   201
  @return   int     0 if Ok, anything else otherwise
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   202
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   203
  If the given key is found in the dictionary, the associated value is
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   204
  replaced by the provided one. If the key cannot be found in the
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   205
  dictionary, it is added to it.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   206
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   207
  It is Ok to provide a NULL value for val, but NULL values for the dictionary
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   208
  or the key are considered as errors: the function will return immediately
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   209
  in such a case.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   210
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   211
  Notice that if you dictionary_set a variable to NULL, a call to
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   212
  dictionary_get will return a NULL value: the variable will be found, and
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   213
  its value (NULL) is returned. In other words, setting the variable
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   214
  content to NULL is equivalent to deleting the variable from the
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   215
  dictionary. It is not possible (in this implementation) to have a key in
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   216
  the dictionary without value.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   217
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   218
  This function returns non-zero in case of failure.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   219
 */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   220
/*--------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   221
int dictionary_set(dictionary * d, const char * key, const char * val)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   222
{
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   223
    int         i ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   224
    unsigned    hash ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   225
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   226
    if (d==NULL || key==NULL) return -1 ;
10017
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7175
diff changeset
   227
7175
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   228
    /* Compute hash for this key */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   229
    hash = dictionary_hash(key) ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   230
    /* Find if value is already in dictionary */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   231
    if (d->n>0) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   232
        for (i=0 ; i<d->size ; i++) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   233
            if (d->key[i]==NULL)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   234
                continue ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   235
            if (hash==d->hash[i]) { /* Same hash value */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   236
                if (!strcmp(key, d->key[i])) {   /* Same key */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   237
                    /* Found a value: modify and return */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   238
                    if (d->val[i]!=NULL)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   239
                        free(d->val[i]);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   240
                    d->val[i] = val ? xstrdup(val) : NULL ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   241
                    /* Value has been modified: return */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   242
                    return 0 ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   243
                }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   244
            }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   245
        }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   246
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   247
    /* Add a new value */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   248
    /* See if dictionary needs to grow */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   249
    if (d->n==d->size) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   250
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   251
        /* Reached maximum size: reallocate dictionary */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   252
        d->val  = (char **)mem_double(d->val,  d->size * sizeof(char*)) ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   253
        d->key  = (char **)mem_double(d->key,  d->size * sizeof(char*)) ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   254
        d->hash = (unsigned int *)mem_double(d->hash, d->size * sizeof(unsigned)) ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   255
        if ((d->val==NULL) || (d->key==NULL) || (d->hash==NULL)) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   256
            /* Cannot grow dictionary */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   257
            return -1 ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   258
        }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   259
        /* Double size */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   260
        d->size *= 2 ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   261
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   262
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   263
    /* Insert key in the first empty slot. Start at d->n and wrap at
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   264
       d->size. Because d->n < d->size this will necessarily
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   265
       terminate. */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   266
    for (i=d->n ; d->key[i] ; ) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   267
        if(++i == d->size) i = 0;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   268
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   269
    /* Copy key */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   270
    d->key[i]  = xstrdup(key);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   271
    d->val[i]  = val ? xstrdup(val) : NULL ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   272
    d->hash[i] = hash;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   273
    d->n ++ ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   274
    return 0 ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   275
}
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   276
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   277
/*-------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   278
/**
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   279
  @brief    Delete a key in a dictionary
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   280
  @param    d       dictionary object to modify.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   281
  @param    key     Key to remove.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   282
  @return   void
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   283
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   284
  This function deletes a key in a dictionary. Nothing is done if the
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   285
  key cannot be found.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   286
 */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   287
/*--------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   288
void dictionary_unset(dictionary * d, const char * key)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   289
{
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   290
    unsigned    hash ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   291
    int         i ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   292
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   293
    if (key == NULL) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   294
        return;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   295
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   296
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   297
    hash = dictionary_hash(key);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   298
    for (i=0 ; i<d->size ; i++) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   299
        if (d->key[i]==NULL)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   300
            continue ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   301
        /* Compare hash */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   302
        if (hash==d->hash[i]) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   303
            /* Compare string, to avoid hash collisions */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   304
            if (!strcmp(key, d->key[i])) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   305
                /* Found key */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   306
                break ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   307
            }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   308
        }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   309
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   310
    if (i>=d->size)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   311
        /* Key not found */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   312
        return ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   313
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   314
    free(d->key[i]);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   315
    d->key[i] = NULL ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   316
    if (d->val[i]!=NULL) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   317
        free(d->val[i]);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   318
        d->val[i] = NULL ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   319
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   320
    d->hash[i] = 0 ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   321
    d->n -- ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   322
    return ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   323
}
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   324
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   325
/*-------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   326
/**
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   327
  @brief    Dump a dictionary to an opened file pointer.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   328
  @param    d   Dictionary to dump
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   329
  @param    f   Opened file pointer.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   330
  @return   void
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   331
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   332
  Dumps a dictionary onto an opened file pointer. Key pairs are printed out
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   333
  as @c [Key]=[Value], one per line. It is Ok to provide stdout or stderr as
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   334
  output file pointers.
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   335
 */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   336
/*--------------------------------------------------------------------------*/
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   337
void dictionary_dump(dictionary * d, FILE * out)
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   338
{
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   339
    int     i ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   340
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   341
    if (d==NULL || out==NULL) return ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   342
    if (d->n<1) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   343
        fprintf(out, "empty dictionary\n");
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   344
        return ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   345
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   346
    for (i=0 ; i<d->size ; i++) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   347
        if (d->key[i]) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   348
            fprintf(out, "%20s\t[%s]\n",
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   349
                    d->key[i],
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   350
                    d->val[i] ? d->val[i] : "UNDEF");
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   351
        }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   352
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   353
    return ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   354
}
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   355
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   356
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   357
/* Test code */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   358
#ifdef TESTDIC
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   359
#define NVALS 20000
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   360
int main(int argc, char *argv[])
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   361
{
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   362
    dictionary  *   d ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   363
    char    *   val ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   364
    int         i ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   365
    char        cval[90] ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   366
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   367
    /* Allocate dictionary */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   368
    printf("allocating...\n");
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   369
    d = dictionary_new(0);
10017
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7175
diff changeset
   370
7175
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   371
    /* Set values in dictionary */
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   372
    printf("setting %d values...\n", NVALS);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   373
    for (i=0 ; i<NVALS ; i++) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   374
        sprintf(cval, "%04d", i);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   375
        dictionary_set(d, cval, "salut");
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   376
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   377
    printf("getting %d values...\n", NVALS);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   378
    for (i=0 ; i<NVALS ; i++) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   379
        sprintf(cval, "%04d", i);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   380
        val = dictionary_get(d, cval, DICT_INVALID_KEY);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   381
        if (val==DICT_INVALID_KEY) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   382
            printf("cannot get value for key [%s]\n", cval);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   383
        }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   384
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   385
    printf("unsetting %d values...\n", NVALS);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   386
    for (i=0 ; i<NVALS ; i++) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   387
        sprintf(cval, "%04d", i);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   388
        dictionary_unset(d, cval);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   389
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   390
    if (d->n != 0) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   391
        printf("error deleting values\n");
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   392
    }
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   393
    printf("deallocating...\n");
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   394
    dictionary_del(d);
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   395
    return 0 ;
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   396
}
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   397
#endif
038e3415100a Added ini reading/writing for game schemes to the frontend lib
Medo <smaxein@googlemail.com>
parents:
diff changeset
   398
/* vim: set ts=4 et sw=4 tw=75 */