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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/* guile-xapian --- Guile bindings for Xapian
* Copyright © 2020, 2023–2024 Arun Isaac <arunisaac@systemreboot.net>
* Copyright © 2021, 2022 Bob131 <bob@bob131.so>
*
* This file is part of guile-xapian.
*
* guile-xapian 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 2 of the
* License, or (at your option) any later version.
*
* guile-xapian 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 guile-xapian. If not, see
* <https://www.gnu.org/licenses/>.
*/
%module wrap
%{
%}
%scheme
%{
;; Try loading the shared library by absolute path. If that fails, try
;; searching for it using LD_LIBRARY_PATH and other mechanisms. We do this
;; so that guile-xapian finds libguilexapian both before and after installation.
(catch #t
(lambda ()
(load-extension "@libdir@/libguilexapian-@GUILE_EFFECTIVE_VERSION@" "SWIG_init"))
(lambda _
(load-extension "libguilexapian-@GUILE_EFFECTIVE_VERSION@" "SWIG_init")))
%}
%{
#include <string>
// We introduce a dummy typedef for std::string without declaring it
// to SWIG so we can establish a new SWIG typemap applying only to
// certain redeclarations of existing C++ functions taking or
// returning strings.
typedef std::string SWIG_bytevector;
static inline void typemap_in_SWIG_bytevector (SWIG_bytevector& out, SCM in) {
out.assign ((char*) SCM_BYTEVECTOR_CONTENTS (in),
SCM_BYTEVECTOR_LENGTH (in));
}
static inline SCM typemap_out_SWIG_bytevector (const SWIG_bytevector& in) {
SCM result = scm_c_make_bytevector (in.size ());
memcpy (SCM_BYTEVECTOR_CONTENTS (result), in.data (), in.size ());
return result;
}
%}
%typemap(in) SWIG_bytevector {
if (scm_is_bytevector ($input)) {
$1 = std::string ();
typemap_in_SWIG_bytevector ($1, $input);
} else {
%argument_fail (SWIG_TypeError, "$type", $symname, $argnum);
}
}
%typemap(in) SWIG_bytevector&, SWIG_bytevector* {
if (scm_is_bytevector ($input)) {
$1 = new std::string ();
typemap_in_SWIG_bytevector (*$1, $input);
} else {
%argument_fail (SWIG_TypeError, "$type", $symname, $argnum);
}
}
%typemap(out) SWIG_bytevector {
$result = typemap_out_SWIG_bytevector ($1);
}
%typemap(out) SWIG_bytevector&, SWIG_bytevector* {
$result = typemap_out_SWIG_bytevector (*$1);
}
%typecheck(SWIG_TYPECHECK_SWIGOBJECT)
SWIG_bytevector, SWIG_bytevector&, SWIG_bytevector*
{
$1 = scm_is_bytevector ($input);
}
%include xapian-head.i
%include except.i
%include xapian-headers.i
%extend Xapian::ValueIterator {
SWIG_bytevector get_value_bytes () {
return **$self;
}
}
%extend Xapian::Document {
SWIG_bytevector get_value_bytes (Xapian::valueno valueno) {
return $self->get_value (valueno);
}
void add_value_bytes (Xapian::valueno valueno, const SWIG_bytevector& bytes) {
$self->add_value (valueno, bytes);
}
SWIG_bytevector get_data_bytes () {
return $self->get_data ();
}
void set_data_bytes (const SWIG_bytevector& bytes) {
$self->set_data (bytes);
}
}
%extend Xapian::Database {
SWIG_bytevector get_metadata_bytes (const std::string& key) {
return $self->get_metadata (key);
}
}
%extend Xapian::WritableDatabase {
void set_metadata_bytes (const std::string& key,
const SWIG_bytevector& bytes)
{
$self->set_metadata (key, bytes);
}
}
%extend Xapian::Query {
Query (op op_, Xapian::valueno slot, const SWIG_bytevector& range_limit) {
return new Xapian::Query (op_, slot, range_limit);
}
Query (op op_, Xapian::valueno slot,
const SWIG_bytevector& range_lower, const SWIG_bytevector& range_upper)
{
return new Xapian::Query (op_, slot, range_lower, range_upper);
}
}
// Child class of Xapian::RangeProcessor that calls back to a
// user-specified Scheme procedure to process fields.
%{
class GuileXapianRangeProcessorWrapper
: public Xapian::RangeProcessor {
private:
SCM proc;
public:
GuileXapianRangeProcessorWrapper(Xapian::valueno slot, const std::string &str, unsigned flags, SCM _proc)
: Xapian::RangeProcessor(slot, str, flags) {
proc = _proc;
}
Xapian::Query operator()(const std::string &begin, const std::string &end) {
void *ptr;
int res = SWIG_ConvertPtr(scm_call_2(proc,
begin.empty() ? SCM_BOOL_F : scm_from_utf8_string(begin.c_str()),
end.empty() ? SCM_BOOL_F : scm_from_utf8_string(end.c_str())),
&ptr,
SWIGTYPE_p_Xapian__Query,
0);
return *((Xapian::Query*)ptr);
}
};
%}
class GuileXapianRangeProcessorWrapper
: public Xapian::RangeProcessor
{
public:
GuileXapianRangeProcessorWrapper(Xapian::valueno, std::string const&, unsigned, SCM);
~GuileXapianRangeProcessorWrapper();
Xapian::Query operator()(std::string const&, std::string const&);
};
// Child class of Xapian::FieldProcessor that calls back to a
// user-specified Scheme procedure to process fields.
%{
class GuileXapianFieldProcessorWrapper
: public Xapian::FieldProcessor {
private:
SCM proc;
public:
GuileXapianFieldProcessorWrapper(SCM _proc) {
proc = _proc;
}
Xapian::Query operator()(const std::string &str) {
void *ptr;
int res = SWIG_ConvertPtr(scm_call_1(proc, scm_from_utf8_string(str.c_str())),
&ptr,
SWIGTYPE_p_Xapian__Query,
0);
return *((Xapian::Query*)ptr);
}
};
%}
class GuileXapianFieldProcessorWrapper
: public Xapian::FieldProcessor
{
public:
GuileXapianFieldProcessorWrapper(SCM);
~GuileXapianFieldProcessorWrapper();
Xapian::Query operator()(std::string const&);
};
|
