1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/* -*- C++ -*- */
// $Id$
/* This may look like C code, but it is really -*- C++ -*- */
/* Data and function member declarations for the keyword list class.
Copyright (C) 1989 Free Software Foundation, Inc.
written by Douglas C. Schmidt (schmidt@ics.uci.edu)
This file is part of GNU GPERF.
GNU GPERF is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.
GNU GPERF is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU GPERF; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
// The key word list is a useful abstraction that keeps track of
// various pieces of information that enable that fast generation of
// the Gen_Perf.hash function. A Key_List is a singly-linked list of
// List_Nodes.
#ifndef key_list_h
#define key_list_h 1
#include "Options.h"
#include "List_Node.h"
class Key_List
{
public:
Key_List (void);
~Key_List (void);
int keyword_list_length (void);
int max_key_length (void);
void reorder (void);
void sort (void);
void read_keys (void);
void output (void);
List_Node *head;
// Points to the head of the linked list.
int total_duplicates;
// Total number of duplicate hash values.
private:
static int get_occurrence (List_Node *ptr);
static int strcspn (const char *s, const char *reject);
static int already_determined (List_Node *ptr);
static void set_determined (List_Node *ptr);
void output_min_max (void);
void output_switch (void);
void output_keyword_table (void);
void output_keylength_table (void);
void output_hash_function (void);
void output_lookup_function (void);
void output_lookup_array (void);
void output_strcasecmp (void);
void set_output_types (void);
void dump (void);
char *get_array_type (void);
char *save_include_src (void);
char *get_special_input (char delimiter);
List_Node *merge (List_Node *list1, List_Node *list2);
List_Node *merge_sort (List_Node *head);
char *array_type;
// Pointer to the type for word list.
char *return_type;
// Pointer to return type for lookup function.
char *struct_tag;
// Shorthand for user-defined struct tag type.
char *include_src;
// C source code to be included verbatim.
int max_key_len;
// Maximum length of the longest keyword.
int min_key_len;
// Minimum length of the shortest keyword.
int min_hash_value;
// Minimum hash value for all keywords.
int max_hash_value;
// Maximum hash value for all keywords.
int occurrence_sort;
// True if sorting by occurrence.
int hash_sort;
// True if sorting by hash value.
int additional_code;
// True if any additional C code is included.
int list_len;
// Length of head's Key_List, not counting duplicates.
int total_keys;
// Total number of keys, counting duplicates.
};
#endif
|