GCOV - Varnish Cache


/*-
 * Copyright (c) 2006 Verdens Gang AS
 * Copyright (c) 2006-2015 Varnish Software AS
 * All rights reserved.
 *
 * Author: Martin Blix Grydeland <martin@varnish-software.com>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 */

#include "config.h"

#include <ctype.h>
#include <math.h>
#include <stdio.h>

#include "vdef.h"
#include "vas.h"
#include "miniobj.h"

#include "vbm.h"
#include "vnum.h"
#include "vqueue.h"
#include "vre.h"
#include "vsb.h"

#include "vapi/vsl.h"

#include "vsl_api.h"
#include "vxp.h"

struct vslq_query {
        unsigned                magic;
#define VSLQ_QUERY_MAGIC        0x122322A5

        struct vex              *vex;
};

#define VSLQ_TEST_NUMOP(TYPE, PRE_LHS, OP, PRE_RHS)             \
        do {                                                    \
                switch (TYPE) {                                 \
                case VEX_INT:                                   \
                        if (PRE_LHS##_int OP PRE_RHS##_int)     \
                                return (1);                     \
                        return (0);                             \
                case VEX_FLOAT:                                 \
                        if (PRE_LHS##_float OP PRE_RHS##_float) \
                                return (1);                     \
                        return (0);                             \
                default:                                        \
                        WRONG("Wrong RHS type");                \
                }                                               \
        } while(0)                                              \

static int
vslq_test_vxid(const struct vex *vex, const struct VSL_transaction *trans)
{
        const struct vex_rhs *rhs;

        AN(vex);
        AN(trans);

        rhs = vex->rhs;
        CHECK_OBJ_NOTNULL(rhs, VEX_RHS_MAGIC);

        /* Prepare */
        switch (vex->tok) {
        case T_EQ:              /* == */
        case T_NEQ:             /* != */
        case '<':
        case '>':
        case T_LEQ:             /* <= */
        case T_GEQ:             /* >= */
                if (rhs->type != VEX_INT)
                        WRONG("Wrong RHS type for vxid");
                /* FALLTHROUGH */
        default:
                break;
        }

        /* Compare */
        switch (vex->tok) {
#define VXID_TEST_NUMOP(OP) return (trans->vxid OP rhs->val_int)
        case T_EQ:      VXID_TEST_NUMOP(==);
        case T_NEQ:     VXID_TEST_NUMOP(!=);
        case '<':       VXID_TEST_NUMOP(<);
        case '>':       VXID_TEST_NUMOP(>);
        case T_LEQ:     VXID_TEST_NUMOP(<=);
        case T_GEQ:     VXID_TEST_NUMOP(>=);
        #undef VXID_TEST_NUMOP
        default:        WRONG("Bad vxid expression token");
        }

        NEEDLESS(return (0));
}

static int
vslq_test_rec(const struct vex *vex, const struct VSLC_ptr *rec)
{
        const struct vex_rhs *rhs;
        long long lhs_int = 0;
        double lhs_float = 0.;
        const char *b, *e, *q;
        int i, dq;

        AN(vex);
        AN(rec);

        b = VSL_CDATA(rec->ptr);
        e = b + VSL_LEN(rec->ptr) - 1;

        /* Prefix */
        if (vex->lhs->prefix != NULL) {
                if (strncasecmp(b, vex->lhs->prefix, vex->lhs->prefixlen))
                        return (0);
                if (b[vex->lhs->prefixlen] != ':')
                        return (0);
                b += vex->lhs->prefixlen + 1;
                /* Skip ws */
                while (*b && isspace(*b))
                        b++;
        }

        /* Field */
        if (vex->lhs->field > 0) {
                for (e = b, i = 0, dq = 0; *e && i < vex->lhs->field; i++) {
                        /* Skip end of previous field */
                        if (dq) {
                                assert(e > b);
                                assert(*e == '"');
                                dq = 0;
                                e++;
                                if (*e == '\0')
                                        break;
                                if (!isspace(*e))
                                        return (0);
                        }

                        b = e;
                        /* Skip ws */
                        while (*b && isspace(*b))
                                b++;

                        dq = (*b == '"');
                        if (dq)
                                b++;
                        e = b;

                        if (dq) {
                                /* Find end of string */
                                while (*e && *e != '"')
                                        e++;
                                if (*e != '"')
                                        return (0);
                        } else {
                                /* Skip non-ws */
                                while (*e && !isspace(*e))
                                        e++;
                        }
                }
                assert(b <= e);
                if (*b == '\0' || i < vex->lhs->field)
                        /* Missing field - no match */
                        return (0);
        }

        if (vex->tok == T_TRUE)
                /* Always true */
                return (1);

        rhs = vex->rhs;
        CHECK_OBJ_NOTNULL(rhs, VEX_RHS_MAGIC);

        /* Prepare */
        switch (vex->tok) {
        case T_EQ:              /* == */
        case T_NEQ:             /* != */
        case '<':
        case '>':
        case T_LEQ:             /* <= */
        case T_GEQ:             /* >= */
                /* Numerical comparison */
                if (*b == '\0')
                        /* Empty string doesn't match */
                        return (0);
                switch (rhs->type) {
                case VEX_INT:
                        lhs_int = (long long)SF_Parse_Number(&b, 0, &q);
                        if (errno)
                                return (0);
                        break;
                case VEX_FLOAT:
                        lhs_float = SF_Parse_Decimal(&b, 0, &q);
                        if (errno)
                                return (0);
                        break;
                default:
                        WRONG("Wrong RHS type");
                }
                break;
        default:
                break;
        }

        /* Compare */
        switch (vex->tok) {
        case T_EQ:              /* == */
                VSLQ_TEST_NUMOP(rhs->type, lhs, ==, rhs->val);
        case T_NEQ:             /* != */
                VSLQ_TEST_NUMOP(rhs->type, lhs, !=, rhs->val);
        case '<':               /* < */
                VSLQ_TEST_NUMOP(rhs->type, lhs, <, rhs->val);
        case '>':
                VSLQ_TEST_NUMOP(rhs->type, lhs, >, rhs->val);
        case T_LEQ:             /* <= */
                VSLQ_TEST_NUMOP(rhs->type, lhs, <=, rhs->val);
        case T_GEQ:             /* >= */
                VSLQ_TEST_NUMOP(rhs->type, lhs, >=, rhs->val);
        case T_SEQ:             /* eq */
                assert(rhs->type == VEX_STRING);
                if (e - b != rhs->val_stringlen)
                        return (0);
                if (vex->options & VEX_OPT_CASELESS) {
                        if (strncasecmp(b, rhs->val_string, e - b))
                                return (0);
                } else {
                        if (strncmp(b, rhs->val_string, e - b))
                                return (0);
                }
                return (1);
        case T_SNEQ:            /* ne */
                assert(rhs->type == VEX_STRING);
                if (e - b != rhs->val_stringlen)
                        return (1);
                if (vex->options & VEX_OPT_CASELESS) {
                        if (strncasecmp(b, rhs->val_string, e - b))
                                return (1);
                } else {
                        if (strncmp(b, rhs->val_string, e - b))
                                return (1);
                }
                return (0);
        case '~':               /* ~ */
                assert(rhs->type == VEX_REGEX && rhs->val_regex != NULL);
                i = VRE_match(rhs->val_regex, b, e - b, 0, NULL);
                if (i != VRE_ERROR_NOMATCH)
                        return (1);
                return (0);
        case T_NOMATCH:         /* !~ */
                assert(rhs->type == VEX_REGEX && rhs->val_regex != NULL);
                i = VRE_match(rhs->val_regex, b, e - b, 0, NULL);
                if (i == VRE_ERROR_NOMATCH)
                        return (1);
                return (0);
        default:
                WRONG("Bad expression token");
        }
        NEEDLESS(return (0));
}

static int
vslq_test(const struct vex *vex, struct VSL_transaction * const ptrans[])
{
        struct VSL_transaction *t;
        int i;

        CHECK_OBJ_NOTNULL(vex, VEX_MAGIC);
        CHECK_OBJ_NOTNULL(vex->lhs, VEX_LHS_MAGIC);
        AN(vex->lhs->tags);
        assert(vex->lhs->vxid <= 1);

        if (vex->lhs->vxid) {
                AZ(vex->lhs->taglist);
                for (t = ptrans[0]; t != NULL; t = *++ptrans)
                        if (vslq_test_vxid(vex, t))
                                return (1);
                return (0);
        }

        AN(vex->lhs->taglist);

        for (t = ptrans[0]; t != NULL; t = *++ptrans) {
                if (vex->lhs->level >= 0) {
                        if (vex->lhs->level_pm < 0) {
                                /* OK if less than or equal */
                                if (t->level > vex->lhs->level)
                                        continue;
                        } else if (vex->lhs->level_pm > 0) {
                                /* OK if greater than or equal */
                                if (t->level < vex->lhs->level)
                                        continue;
                        } else {
                                /* OK if equal */
                                if (t->level != vex->lhs->level)
                                        continue;
                        }
                }

                AZ(VSL_ResetCursor(t->c));
                while (1) {
                        i = VSL_Next(t->c);
                        if (i < 0)
                                return (i);
                        if (i == 0)
                                break;
                        assert(i == 1);
                        AN(t->c->rec.ptr);

                        if (!vbit_test(vex->lhs->tags, VSL_TAG(t->c->rec.ptr)))
                                continue;

                        i = vslq_test_rec(vex, &t->c->rec);
                        if (i)
                                return (i);
                }
        }

        return (0);
}

static int
vslq_exec(const struct vex *vex, struct VSL_transaction * const ptrans[])
{
        int r;

        CHECK_OBJ_NOTNULL(vex, VEX_MAGIC);

        switch (vex->tok) {
        case T_OR:
                AN(vex->a);
                AN(vex->b);
                r = vslq_exec(vex->a, ptrans);
                if (r != 0)
                        return (r);
                return (vslq_exec(vex->b, ptrans));
        case T_AND:
                AN(vex->a);
                AN(vex->b);
                r = vslq_exec(vex->a, ptrans);
                if (r <= 0)
                        return (r);
                return (vslq_exec(vex->b, ptrans));
        case T_NOT:
                AN(vex->a);
                AZ(vex->b);
                r = vslq_exec(vex->a, ptrans);
                if (r < 0)
                        return (r);
                return (!r);
        default:
                return (vslq_test(vex, ptrans));
        }
        NEEDLESS(return (0));
}

struct vslq_query *
vslq_newquery(struct VSL_data *vsl, enum VSL_grouping_e grouping,
    const char *querystring)
{
        struct vsb *vsb;
        struct vex *vex;
        struct vslq_query *query = NULL;

        (void)grouping;
        AN(querystring);

        vsb = VSB_new_auto();
        AN(vsb);
        vex = vex_New(querystring, vsb, vsl->C_opt ? VEX_OPT_CASELESS : 0);
        AZ(VSB_finish(vsb));
        if (vex == NULL)
                vsl_diag(vsl, "%s", VSB_data(vsb));
        else {
                ALLOC_OBJ(query, VSLQ_QUERY_MAGIC);
                XXXAN(query);
                query->vex = vex;
        }
        VSB_destroy(&vsb);
        return (query);
}

void
vslq_deletequery(struct vslq_query **pquery)
{
        struct vslq_query *query;

        TAKE_OBJ_NOTNULL(query, pquery, VSLQ_QUERY_MAGIC);

        AN(query->vex);
        vex_Free(&query->vex);
        AZ(query->vex);

        FREE_OBJ(query);
}

int
vslq_runquery(const struct vslq_query *query,
    struct VSL_transaction * const ptrans[])
{
        struct VSL_transaction *t;
        int r;

        CHECK_OBJ_NOTNULL(query, VSLQ_QUERY_MAGIC);

        r = vslq_exec(query->vex, ptrans);
        for (t = ptrans[0]; t != NULL; t = *++ptrans)
                AZ(VSL_ResetCursor(t->c));
        return (r);
}

		varnish-cache/lib/libvarnishapi/vsl_query.c
0		/*-
1		* Copyright (c) 2006 Verdens Gang AS
2		* Copyright (c) 2006-2015 Varnish Software AS
3		* All rights reserved.
4		*
5		* Author: Martin Blix Grydeland <martin@varnish-software.com>
6		*
7		* SPDX-License-Identifier: BSD-2-Clause
8		*
9		* Redistribution and use in source and binary forms, with or without
10		* modification, are permitted provided that the following conditions
11		* are met:
12		* 1. Redistributions of source code must retain the above copyright
13		* notice, this list of conditions and the following disclaimer.
14		* 2. Redistributions in binary form must reproduce the above copyright
15		* notice, this list of conditions and the following disclaimer in the
16		* documentation and/or other materials provided with the distribution.
17		*
18		* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19		* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20		* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21		* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
22		* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23		* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24		* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25		* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26		* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27		* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28		* SUCH DAMAGE.
29		*
30		*/
31
32		#include "config.h"
33
34		#include <ctype.h>
35		#include <math.h>
36		#include <stdio.h>
37
38		#include "vdef.h"
39		#include "vas.h"
40		#include "miniobj.h"
41
42		#include "vbm.h"
43		#include "vnum.h"
44		#include "vqueue.h"
45		#include "vre.h"
46		#include "vsb.h"
47
48		#include "vapi/vsl.h"
49
50		#include "vsl_api.h"
51		#include "vxp.h"
52
53		struct vslq_query {
54		unsigned magic;
55		#define VSLQ_QUERY_MAGIC 0x122322A5
56
57		struct vex *vex;
58		};
59
60		#define VSLQ_TEST_NUMOP(TYPE, PRE_LHS, OP, PRE_RHS) \
61		do { \
62		switch (TYPE) { \
63		case VEX_INT: \
64		if (PRE_LHS##_int OP PRE_RHS##_int) \
65		return (1); \
66		return (0); \
67		case VEX_FLOAT: \
68		if (PRE_LHS##_float OP PRE_RHS##_float) \
69		return (1); \
70		return (0); \
71		default: \
72		WRONG("Wrong RHS type"); \
73		} \
74		} while(0) \
75
76		static int
77	31828	vslq_test_vxid(const struct vex vex, const struct VSL_transaction trans)
78		{
79		const struct vex_rhs *rhs;
80
81	31828	AN(vex);
82	31828	AN(trans);
83
84	31828	rhs = vex->rhs;
85	31828	CHECK_OBJ_NOTNULL(rhs, VEX_RHS_MAGIC);
86
87		/* Prepare */
88	31828	switch (vex->tok) {
89		case T_EQ: /* == */
90		case T_NEQ: /* != */
91		case '<':
92		case '>':
93		case T_LEQ: /* <= */
94		case T_GEQ: /* >= */
95	31828	if (rhs->type != VEX_INT)
96	0	WRONG("Wrong RHS type for vxid");
97		/* FALLTHROUGH */
98		default:
99	31828	break;
100		}
101
102		/* Compare */
103	31828	switch (vex->tok) {
104		#define VXID_TEST_NUMOP(OP) return (trans->vxid OP rhs->val_int)
105	31828	case T_EQ: VXID_TEST_NUMOP(==);
106	0	case T_NEQ: VXID_TEST_NUMOP(!=);
107	0	case '<': VXID_TEST_NUMOP(<);
108	0	case '>': VXID_TEST_NUMOP(>);
109	0	case T_LEQ: VXID_TEST_NUMOP(<=);
110	0	case T_GEQ: VXID_TEST_NUMOP(>=);
111		#undef VXID_TEST_NUMOP
112	0	default: WRONG("Bad vxid expression token");
113	0	}
114
115	0	NEEDLESS(return (0));
116	31828	}
117
118		static int
119	14258	vslq_test_rec(const struct vex vex, const struct VSLC_ptr rec)
120		{
121		const struct vex_rhs *rhs;
122	14258	long long lhs_int = 0;
123	14258	double lhs_float = 0.;
124		const char b, e, *q;
125		int i, dq;
126
127	14258	AN(vex);
128	14258	AN(rec);
129
130	14258	b = VSL_CDATA(rec->ptr);
131	14258	e = b + VSL_LEN(rec->ptr) - 1;
132
133		/* Prefix */
134	14258	if (vex->lhs->prefix != NULL) {
135	4320	if (strncasecmp(b, vex->lhs->prefix, vex->lhs->prefixlen))
136	3320	return (0);
137	1000	if (b[vex->lhs->prefixlen] != ':')
138	0	return (0);
139	1000	b += vex->lhs->prefixlen + 1;
140		/* Skip ws */
141	1400	while (b && isspace(b))
142	400	b++;
143	1000	}
144
145		/* Field */
146	10938	if (vex->lhs->field > 0) {
147	5440	for (e = b, i = 0, dq = 0; *e && i < vex->lhs->field; i++) {
148		/* Skip end of previous field */
149	4360	if (dq) {
150	120	assert(e > b);
151	120	assert(*e == '"');
152	120	dq = 0;
153	120	e++;
154	120	if (*e == '\0')
155	0	break;
156	120	if (!isspace(*e))
157	40	return (0);
158	80	}
159
160	4320	b = e;
161		/* Skip ws */
162	8120	while (b && isspace(b))
163	3800	b++;
164
165	4320	dq = (*b == '"');
166	4320	if (dq)
167	440	b++;
168	4320	e = b;
169
170	4320	if (dq) {
171		/* Find end of string */
172	2560	while (e && e != '"')
173	2120	e++;
174	440	if (*e != '"')
175	40	return (0);
176	400	} else {
177		/* Skip non-ws */
178	24160	while (e && !isspace(e))
179	20280	e++;
180		}
181	4280	}
182	1080	assert(b <= e);
183	1080	if (*b == '\0' \|\| i < vex->lhs->field)
184		/* Missing field - no match */
185	0	return (0);
186	1080	}
187
188	10858	if (vex->tok == T_TRUE)
189		/* Always true */
190	3040	return (1);
191
192	7818	rhs = vex->rhs;
193	7818	CHECK_OBJ_NOTNULL(rhs, VEX_RHS_MAGIC);
194
195		/* Prepare */
196	7818	switch (vex->tok) {
197		case T_EQ: /* == */
198		case T_NEQ: /* != */
199		case '<':
200		case '>':
201		case T_LEQ: /* <= */
202		case T_GEQ: /* >= */
203		/* Numerical comparison */
204	2960	if (*b == '\0')
205		/* Empty string doesn't match */
206	0	return (0);
207	2960	switch (rhs->type) {
208		case VEX_INT:
209	2280	lhs_int = (long long)SF_Parse_Number(&b, 0, &q);
210	2280	if (errno)
211	200	return (0);
212	2080	break;
213		case VEX_FLOAT:
214	680	lhs_float = SF_Parse_Decimal(&b, 0, &q);
215	680	if (errno)
216	120	return (0);
217	560	break;
218		default:
219	0	WRONG("Wrong RHS type");
220	0	}
221	2640	break;
222		default:
223	4858	break;
224		}
225
226		/* Compare */
227	7498	switch (vex->tok) {
228		case T_EQ: /* == */
229	2040	VSLQ_TEST_NUMOP(rhs->type, lhs, ==, rhs->val);
230		case T_NEQ: /* != */
231	80	VSLQ_TEST_NUMOP(rhs->type, lhs, !=, rhs->val);
232		case '<': /* < */
233	200	VSLQ_TEST_NUMOP(rhs->type, lhs, <, rhs->val);
234		case '>':
235	80	VSLQ_TEST_NUMOP(rhs->type, lhs, >, rhs->val);
236		case T_LEQ: /* <= */
237	120	VSLQ_TEST_NUMOP(rhs->type, lhs, <=, rhs->val);
238		case T_GEQ: /* >= */
239	120	VSLQ_TEST_NUMOP(rhs->type, lhs, >=, rhs->val);
240		case T_SEQ: /* eq */
241	1040	assert(rhs->type == VEX_STRING);
242	1040	if (e - b != rhs->val_stringlen)
243	560	return (0);
244	480	if (vex->options & VEX_OPT_CASELESS) {
245	0	if (strncasecmp(b, rhs->val_string, e - b))
246	0	return (0);
247	0	} else {
248	480	if (strncmp(b, rhs->val_string, e - b))
249	0	return (0);
250		}
251	480	return (1);
252		case T_SNEQ: /* ne */
253	40	assert(rhs->type == VEX_STRING);
254	40	if (e - b != rhs->val_stringlen)
255	0	return (1);
256	40	if (vex->options & VEX_OPT_CASELESS) {
257	0	if (strncasecmp(b, rhs->val_string, e - b))
258	0	return (1);
259	0	} else {
260	40	if (strncmp(b, rhs->val_string, e - b))
261	40	return (1);
262		}
263	0	return (0);
264		case '~': /* ~ */
265	3738	assert(rhs->type == VEX_REGEX && rhs->val_regex != NULL);
266	3738	i = VRE_match(rhs->val_regex, b, e - b, 0, NULL);
267	3738	if (i != VRE_ERROR_NOMATCH)
268	2000	return (1);
269	1738	return (0);
270		case T_NOMATCH: /* !~ */
271	40	assert(rhs->type == VEX_REGEX && rhs->val_regex != NULL);
272	40	i = VRE_match(rhs->val_regex, b, e - b, 0, NULL);
273	40	if (i == VRE_ERROR_NOMATCH)
274	40	return (1);
275	0	return (0);
276		default:
277	0	WRONG("Bad expression token");
278	0	}
279	0	NEEDLESS(return (0));
280	14258	}
281
282		static int
283	76120	vslq_test(const struct vex vex, struct VSL_transaction const ptrans[])
284		{
285		struct VSL_transaction *t;
286		int i;
287
288	76120	CHECK_OBJ_NOTNULL(vex, VEX_MAGIC);
289	76120	CHECK_OBJ_NOTNULL(vex->lhs, VEX_LHS_MAGIC);
290	76120	AN(vex->lhs->tags);
291	76120	assert(vex->lhs->vxid <= 1);
292
293	76120	if (vex->lhs->vxid) {
294	31827	AZ(vex->lhs->taglist);
295	59814	for (t = ptrans[0]; t != NULL; t = *++ptrans)
296	31827	if (vslq_test_vxid(vex, t))
297	3840	return (1);
298	27987	return (0);
299		}
300
301	44293	AN(vex->lhs->taglist);
302
303	82226	for (t = ptrans[0]; t != NULL; t = *++ptrans) {
304	45332	if (vex->lhs->level >= 0) {
305	120	if (vex->lhs->level_pm < 0) {
306		/* OK if less than or equal */
307	40	if (t->level > vex->lhs->level)
308	0	continue;
309	120	} else if (vex->lhs->level_pm > 0) {
310		/* OK if greater than or equal */
311	40	if (t->level < vex->lhs->level)
312	0	continue;
313	40	} else {
314		/* OK if equal */
315	40	if (t->level != vex->lhs->level)
316	0	continue;
317		}
318	120	}
319
320	45332	AZ(VSL_ResetCursor(t->c));
321	52190	while (1) {
322	671059	i = VSL_Next(t->c);
323	671059	if (i < 0)
324	0	return (i);
325	671059	if (i == 0)
326	37933	break;
327	633126	assert(i == 1);
328	633126	AN(t->c->rec.ptr);
329
330	633126	if (!vbit_test(vex->lhs->tags, VSL_TAG(t->c->rec.ptr)))
331	618869	continue;
332
333	14257	i = vslq_test_rec(vex, &t->c->rec);
334	14257	if (i)
335	7399	return (i);
336		}
337	37933	}
338
339	36894	return (0);
340	76120	}
341
342		static int
343	77959	vslq_exec(const struct vex vex, struct VSL_transaction const ptrans[])
344		{
345		int r;
346
347	77959	CHECK_OBJ_NOTNULL(vex, VEX_MAGIC);
348
349	77959	switch (vex->tok) {
350		case T_OR:
351	1200	AN(vex->a);
352	1200	AN(vex->b);
353	1200	r = vslq_exec(vex->a, ptrans);
354	1200	if (r != 0)
355	360	return (r);
356	840	return (vslq_exec(vex->b, ptrans));
357		case T_AND:
358	599	AN(vex->a);
359	599	AN(vex->b);
360	599	r = vslq_exec(vex->a, ptrans);
361	599	if (r <= 0)
362	280	return (r);
363	319	return (vslq_exec(vex->b, ptrans));
364		case T_NOT:
365	40	AN(vex->a);
366	40	AZ(vex->b);
367	40	r = vslq_exec(vex->a, ptrans);
368	40	if (r < 0)
369	0	return (r);
370	40	return (!r);
371		default:
372	76120	return (vslq_test(vex, ptrans));
373		}
374		NEEDLESS(return (0));
375	77959	}
376
377		struct vslq_query *
378	6760	vslq_newquery(struct VSL_data *vsl, enum VSL_grouping_e grouping,
379		const char *querystring)
380		{
381		struct vsb *vsb;
382		struct vex *vex;
383	6760	struct vslq_query *query = NULL;
384
385	6760	(void)grouping;
386	6760	AN(querystring);
387
388	6760	vsb = VSB_new_auto();
389	6760	AN(vsb);
390	6760	vex = vex_New(querystring, vsb, vsl->C_opt ? VEX_OPT_CASELESS : 0);
391	6760	AZ(VSB_finish(vsb));
392	6760	if (vex == NULL)
393	1280	vsl_diag(vsl, "%s", VSB_data(vsb));
394		else {
395	5480	ALLOC_OBJ(query, VSLQ_QUERY_MAGIC);
396	5480	XXXAN(query);
397	5480	query->vex = vex;
398		}
399	6760	VSB_destroy(&vsb);
400	6760	return (query);
401		}
402
403		void
404	5480	vslq_deletequery(struct vslq_query **pquery)
405		{
406		struct vslq_query *query;
407
408	5480	TAKE_OBJ_NOTNULL(query, pquery, VSLQ_QUERY_MAGIC);
409
410	5480	AN(query->vex);
411	5480	vex_Free(&query->vex);
412	5480	AZ(query->vex);
413
414	5480	FREE_OBJ(query);
415	5480	}
416
417		int
418	74959	vslq_runquery(const struct vslq_query *query,
419		struct VSL_transaction * const ptrans[])
420		{
421		struct VSL_transaction *t;
422		int r;
423
424	74959	CHECK_OBJ_NOTNULL(query, VSLQ_QUERY_MAGIC);
425
426	74959	r = vslq_exec(query->vex, ptrans);
427	151485	for (t = ptrans[0]; t != NULL; t = *++ptrans)
428	76526	AZ(VSL_ResetCursor(t->c));
429	74959	return (r);
430		}