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php-src/ext/yaz/php_yaz.c

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/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2002 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Adam Dickmeiss <adam@indexdata.dk> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#if HAVE_YAZ
#include "ext/standard/info.h"
#include "php_yaz.h"
#include <yaz/yaz-version.h>
#ifndef YAZ_VERSIONL
#error YAZ version 1.9 or later must be used.
#endif
#if YAZ_VERSIONL < 0x010900
#error YAZ version 1.9 or later must be used.
#endif
#include <yaz/proto.h>
#include <yaz/marcdisp.h>
#include <yaz/yaz-util.h>
#include <yaz/yaz-ccl.h>
#include <yaz/zoom.h>
#define MAX_ASSOC 100
typedef struct Yaz_AssociationInfo *Yaz_Association;
struct Yaz_AssociationInfo {
CCL_parser ccl_parser;
ZOOM_connection zoom_conn;
ZOOM_resultset zoom_set;
ZOOM_scanset zoom_scan;
ZOOM_package zoom_package;
char *sort_criteria;
int persistent;
int in_use;
int order;
};
static Yaz_Association yaz_association_mk ()
{
Yaz_Association p = xmalloc (sizeof(*p));
p->zoom_conn = ZOOM_connection_create (0);
p->zoom_set = 0;
p->zoom_scan = 0;
p->zoom_package = 0;
ZOOM_connection_option_set(p->zoom_conn, "implementationName", "PHP");
ZOOM_connection_option_set(p->zoom_conn, "async", "1");
p->sort_criteria = 0;
p->in_use = 0;
p->order = 0;
p->persistent = 0;
p->ccl_parser = ccl_parser_create();
p->ccl_parser->bibset = 0;
return p;
}
static void yaz_association_destroy (Yaz_Association p)
{
int i;
if (!p)
return ;
ZOOM_resultset_destroy (p->zoom_set);
ZOOM_scanset_destroy (p->zoom_scan);
ZOOM_package_destroy (p->zoom_package);
ZOOM_connection_destroy (p->zoom_conn);
xfree (p->sort_criteria);
ccl_qual_rm(&p->ccl_parser->bibset);
ccl_parser_destroy(p->ccl_parser);
}
#ifdef ZTS
static MUTEX_T yaz_mutex;
#endif
ZEND_DECLARE_MODULE_GLOBALS(yaz);
static Yaz_Association *shared_associations;
static int order_associations;
static int le_link;
static unsigned char third_argument_force_ref[] = {
3, BYREF_NONE, BYREF_NONE, BYREF_FORCE };
static unsigned char second_argument_force_ref[] = {
2, BYREF_NONE, BYREF_FORCE };
function_entry yaz_functions [] = {
PHP_FE(yaz_connect, NULL)
PHP_FE(yaz_close, NULL)
PHP_FE(yaz_search, NULL)
PHP_FE(yaz_wait, second_argument_force_ref)
PHP_FE(yaz_errno, NULL)
PHP_FE(yaz_error, NULL)
PHP_FE(yaz_addinfo, NULL)
PHP_FE(yaz_hits, NULL)
PHP_FE(yaz_record, NULL)
PHP_FE(yaz_syntax, NULL)
PHP_FE(yaz_element, NULL)
PHP_FE(yaz_range, NULL)
PHP_FE(yaz_itemorder, NULL)
PHP_FE(yaz_es_result, NULL)
PHP_FE(yaz_scan, NULL)
PHP_FE(yaz_scan_result, second_argument_force_ref)
PHP_FE(yaz_present, NULL)
PHP_FE(yaz_ccl_conf, NULL)
PHP_FE(yaz_ccl_parse, third_argument_force_ref)
PHP_FE(yaz_database, NULL)
PHP_FE(yaz_sort, NULL)
PHP_FE(yaz_schema, NULL)
{NULL, NULL, NULL}
};
static void get_assoc (INTERNAL_FUNCTION_PARAMETERS, pval **id,
Yaz_Association *assocp)
{
Yaz_Association *as = 0;
*assocp = 0;
#ifdef ZTS
tsrm_mutex_lock (yaz_mutex);
#endif
ZEND_FETCH_RESOURCE(as, Yaz_Association *, id, -1,
"YAZ link", le_link);
if (as && *as && (*as)->order == YAZSG(assoc_seq) && (*as)->in_use)
{
*assocp = *as;
}
else
{
#ifdef ZTS
tsrm_mutex_unlock (yaz_mutex);
#endif
php_error(E_WARNING, "Invalid YAZ handle");
}
}
static void release_assoc (Yaz_Association assoc)
{
#ifdef ZTS
if (assoc)
tsrm_mutex_unlock(yaz_mutex);
#endif
}
static const char *array_lookup_string(HashTable *ht, const char *idx)
{
pval **pvalue;
if (ht && zend_hash_find(ht, (char*) idx, strlen(idx)+1,
(void**) &pvalue) == SUCCESS)
{
SEPARATE_ZVAL(pvalue);
convert_to_string(*pvalue);
return (*pvalue)->value.str.val;
}
return 0;
}
static long *array_lookup_long(HashTable *ht, const char *idx)
{
pval **pvalue;
if (ht && zend_hash_find(ht, (char*) idx, strlen(idx)+1,
(void**) &pvalue) == SUCCESS)
{
SEPARATE_ZVAL(pvalue);
convert_to_long(*pvalue);
return &(*pvalue)->value.lval;
}
return 0;
}
static long *array_lookup_bool(HashTable *ht, const char *idx)
{
pval **pvalue;
if (ht && zend_hash_find(ht, (char*) idx, strlen(idx)+1,
(void**) &pvalue) == SUCCESS)
{
SEPARATE_ZVAL(pvalue);
convert_to_boolean(*pvalue);
return &(*pvalue)->value.lval;
}
return 0;
}
static int send_present (Yaz_Association t);
static int send_sort_present (Yaz_Association t);
static int send_sort (Yaz_Association t);
const char *option_get (Yaz_Association as, const char *name)
{
if (!as)
return 0;
return ZOOM_connection_option_get (as->zoom_conn, name);
}
int option_get_int (Yaz_Association as, const char *name, int def)
{
const char *v;
v = ZOOM_connection_option_get (as->zoom_conn, name);
if (!v)
return def;
return atoi(v);
}
void option_set (Yaz_Association as, const char *name, const char *value)
{
if (as && value)
ZOOM_connection_option_set (as->zoom_conn, name, value);
}
void option_set_int (Yaz_Association as, const char *name, int v)
{
if (as)
{
char s[30];
sprintf (s, "%d", v);
ZOOM_connection_option_set (as->zoom_conn, name, s);
}
}
static int strcmp_null(const char *s1, const char *s2)
{
if (s1 == 0 && s2 == 0)
return 0;
if (s1 == 0 || s2 == 0)
return -1;
return strcmp(s1, s2);
}
/* {{{ proto int yaz_connect(string zurl [ array options])
Create target with given zurl. Returns positive id if successful. */
PHP_FUNCTION(yaz_connect)
{
int i;
char *cp;
char *zurl_str;
const char *user_str = 0, *group_str = 0, *pass_str = 0;
const char *cookie_str = 0, *proxy_str = 0;
const char *charset_str = 0;
const char *client_IP = 0;
const char *otherInfo[3];
int persistent = 1;
int piggyback = 1;
pval **zurl, **user = 0;
Yaz_Association as;
otherInfo[0] = otherInfo[1] = otherInfo[2] = 0;
if (ZEND_NUM_ARGS() == 1)
{
if (zend_get_parameters_ex (1, &zurl) == FAILURE)
WRONG_PARAM_COUNT;
}
else if (ZEND_NUM_ARGS() == 2)
{
if (zend_get_parameters_ex (2, &zurl, &user) == FAILURE)
WRONG_PARAM_COUNT;
if (Z_TYPE_PP(user) == IS_ARRAY)
{
long *persistent_val;
long *piggyback_val;
HashTable *ht = Z_ARRVAL_PP(user);
user_str = array_lookup_string(ht, "user");
group_str = array_lookup_string(ht, "group");
pass_str = array_lookup_string(ht, "password");
cookie_str = array_lookup_string(ht, "cookie");
proxy_str = array_lookup_string(ht, "proxy");
charset_str = array_lookup_string(ht, "charset");
persistent_val = array_lookup_bool(ht, "persistent");
if (persistent_val)
persistent = *persistent_val;
piggyback_val = array_lookup_bool(ht, "piggyback");
if (piggyback_val)
piggyback = *piggyback_val;
otherInfo[0] = array_lookup_string(ht, "otherInfo0");
otherInfo[1] = array_lookup_string(ht, "otherInfo1");
otherInfo[2] = array_lookup_string(ht, "otherInfo2");
}
else
{
convert_to_string_ex (user);
user_str = (*user)->value.str.val;
}
}
else
{
WRONG_PARAM_COUNT;
}
convert_to_string_ex (zurl);
zurl_str = (*zurl)->value.str.val;
for (cp = zurl_str; *cp && strchr("\t\n ", *cp); cp++)
;
if (!*cp)
RETURN_LONG(0);
/* see if we have it already ... */
#ifdef ZTS
tsrm_mutex_lock (yaz_mutex);
#endif
for (i = 0; i<YAZSG(max_links); i++)
{
as = shared_associations[i];
if (persistent && as && !as->in_use &&
!strcmp_null(option_get(as, "host"), zurl_str) &&
!strcmp_null(option_get(as, "proxy"), proxy_str) &&
!strcmp_null(option_get(as, "user"), user_str) &&
!strcmp_null(option_get(as, "group"), group_str) &&
!strcmp_null(option_get(as, "pass"), pass_str) &&
!strcmp_null(option_get(as, "cookie"), cookie_str) &&
!strcmp_null(option_get(as, "charset"), charset_str))
{
option_set (as, "clientIP", client_IP);
option_set (as, "otherInfo0", otherInfo[0]);
option_set (as, "otherInfo1", otherInfo[1]);
option_set (as, "otherInfo2", otherInfo[2]);
option_set (as, "piggyback", piggyback ? "1" : "0");
ZOOM_connection_connect (as->zoom_conn, zurl_str, 0);
break;
}
}
if (i == YAZSG(max_links))
{
/* we didn't have it (or already in use) */
int i0 = -1;
int min_order = 2000000000;
/* find completely free slot or the oldest one */
for (i = 0; i<YAZSG(max_links) && shared_associations[i]; i++)
{
as = shared_associations[i];
if (persistent && !as->in_use && as->order < min_order)
{
min_order = as->order;
i0 = i;
}
}
if (i == YAZSG(max_links))
{
i = i0;
if (i == -1)
{
#ifdef ZTS
tsrm_mutex_unlock (yaz_mutex);
#endif
RETURN_LONG(0); /* no free slot */
}
else /* "best" free slot */
yaz_association_destroy(shared_associations[i]);
}
shared_associations[i] = as = yaz_association_mk ();
option_set (as, "user", user_str);
option_set (as, "group", group_str);
option_set (as, "pass", pass_str);
option_set (as, "cookie", cookie_str);
option_set (as, "clientIP", client_IP);
option_set (as, "otherInfo0", otherInfo[0]);
option_set (as, "otherInfo1", otherInfo[1]);
option_set (as, "otherInfo2", otherInfo[2]);
option_set (as, "proxy", proxy_str);
option_set (as, "piggyback", piggyback ? "1" : "0");
option_set (as, "charset", charset_str);
ZOOM_connection_connect (as->zoom_conn, zurl_str, 0);
}
as->in_use = 1;
as->persistent = persistent;
as->order = YAZSG(assoc_seq);
#ifdef ZTS
tsrm_mutex_unlock (yaz_mutex);
#endif
ZEND_REGISTER_RESOURCE(return_value, &shared_associations[i], le_link);
}
/* }}} */
/* {{{ proto int yaz_close(int id)
Destory and close target */
PHP_FUNCTION(yaz_close)
{
Yaz_Association p;
pval **id;
if (ZEND_NUM_ARGS() != 1)
WRONG_PARAM_COUNT;
if (zend_get_parameters_ex (1, &id) == FAILURE)
RETURN_FALSE;
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, id, &p);
if (!p)
RETURN_FALSE;
release_assoc (p);
zend_list_delete ((*id)->value.lval);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto int yaz_search(int id, string type, string query)
Specify query of type for search - returns true if successful */
PHP_FUNCTION(yaz_search)
{
char *query_str, *type_str;
pval **id, **type, **query;
Yaz_Association p;
if (ZEND_NUM_ARGS() == 3)
{
if (zend_get_parameters_ex(3, &id, &type, &query) == FAILURE)
{
WRONG_PARAM_COUNT;
}
}
else
{
WRONG_PARAM_COUNT;
}
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, id, &p);
if (!p)
{
RETURN_FALSE;
}
convert_to_string_ex (type);
type_str = (*type)->value.str.val;
convert_to_string_ex (query);
query_str = (*query)->value.str.val;
ZOOM_resultset_destroy (p->zoom_set);
p->zoom_set = 0;
if (!strcmp (type_str, "rpn"))
{
ZOOM_query q = ZOOM_query_create ();
ZOOM_query_prefix (q, query_str);
if (p->sort_criteria)
ZOOM_query_sortby (q, p->sort_criteria);
p->zoom_set = ZOOM_connection_search (p->zoom_conn, q);
ZOOM_query_destroy (q);
RETVAL_TRUE;
}
else
{
RETVAL_FALSE;
}
release_assoc (p);
}
/* }}} */
/* {{{ proto int yaz_present(int id)
Retrieve records */
PHP_FUNCTION(yaz_present)
{
pval **id;
Yaz_Association p;
if (ZEND_NUM_ARGS() != 1)
WRONG_PARAM_COUNT;
if (zend_get_parameters_ex(1, &id) == FAILURE)
{
WRONG_PARAM_COUNT;
}
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, id, &p);
if (!p)
{
RETURN_FALSE;
}
if (p->zoom_set)
{
size_t start = option_get_int (p, "start", 0);
size_t count = option_get_int (p, "count", 0);
if (count > 0)
ZOOM_resultset_records (p->zoom_set, 0 /* recs */, start, count);
}
release_assoc (p);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto int yaz_wait([array options])
Process events. */
PHP_FUNCTION(yaz_wait)
{
int no = 0;
ZOOM_connection conn_ar[MAX_ASSOC];
int i, id, timeout = 15;
if (ZEND_NUM_ARGS() == 1)
{
long *val = 0;
pval **pval_options = 0;
HashTable *options_ht = 0;
if (zend_get_parameters_ex(1, &pval_options) == FAILURE)
{
WRONG_PARAM_COUNT;
}
if (Z_TYPE_PP(pval_options) != IS_ARRAY)
{
php_error(E_WARNING, "yaz_wait: Expected array parameter");
RETURN_FALSE;
}
options_ht = Z_ARRVAL_PP(pval_options);
val = array_lookup_long(options_ht, "timeout");
if (val)
timeout = *val;
}
#ifdef ZTS
tsrm_mutex_lock (yaz_mutex);
#endif
for (i = 0; i<YAZSG(max_links); i++)
{
Yaz_Association p = shared_associations[i];
if (p && p->order == YAZSG(assoc_seq))
{
char str[20];
sprintf (str, "%d", timeout);
ZOOM_connection_option_set (p->zoom_conn, "timeout", str);
conn_ar[no++] = p->zoom_conn;
}
}
#ifdef ZTS
tsrm_mutex_unlock (yaz_mutex);
#endif
if (no)
while (ZOOM_event (no, conn_ar))
;
RETURN_TRUE;
}
/* }}} */
/* {{{ proto int yaz_errno(int id)
Return last error number (>0 for bib-1 diagnostic, <0 for other error, 0 for no error */
PHP_FUNCTION(yaz_errno)
{
pval **id;
Yaz_Association p;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &id) == FAILURE)
{
WRONG_PARAM_COUNT;
}
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, id, &p);
if (!p)
{
RETURN_LONG(0);
}
RETVAL_LONG(ZOOM_connection_errcode (p->zoom_conn));
release_assoc (p);
}
/* }}} */
/* {{{ proto string yaz_error(int id)
Return last error message */
PHP_FUNCTION(yaz_error)
{
pval **id;
Yaz_Association p;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &id) == FAILURE)
{
WRONG_PARAM_COUNT;
}
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, id, &p);
if (p)
{
int code = ZOOM_connection_errcode (p->zoom_conn);
const char *msg = ZOOM_connection_errmsg (p->zoom_conn);
if (!code)
msg = "";
return_value->value.str.len = strlen(msg);
return_value->value.str.val =
estrndup(msg, return_value->value.str.len);
return_value->type = IS_STRING;
}
release_assoc (p);
}
/* }}} */
/* {{{ proto string yaz_addinfo(int id)
Return additional info for last error (empty string if none) */
PHP_FUNCTION(yaz_addinfo)
{
pval **id;
Yaz_Association p;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &id) == FAILURE)
{
WRONG_PARAM_COUNT;
}
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, id, &p);
if (p)
{
const char *addinfo = ZOOM_connection_addinfo (p->zoom_conn);
return_value->value.str.len = strlen(addinfo);
return_value->value.str.val =
estrndup(addinfo, return_value->value.str.len);
return_value->type = IS_STRING;
}
release_assoc (p);
}
/* }}} */
/* {{{ proto int yaz_hits(int id)
Return number of hits (result count) for last search */
PHP_FUNCTION(yaz_hits)
{
pval **id;
Yaz_Association p;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &id) == FAILURE)
{
WRONG_PARAM_COUNT;
}
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, id, &p);
if (p && p->zoom_set)
{
RETVAL_LONG(ZOOM_resultset_size (p->zoom_set));
}
else
{
RETVAL_LONG(0);
}
release_assoc (p);
}
/* }}} */
static Z_GenericRecord *marc_to_grs1(const char *buf, ODR o)
{
int entry_p;
int record_length;
int indicator_length;
int identifier_length;
int base_address;
int length_data_entry;
int length_starting;
int length_implementation;
int max_elements = 256;
Z_GenericRecord *r = odr_malloc (o, sizeof(*r));
r->elements = odr_malloc (o, sizeof(*r->elements) * max_elements);
r->num_elements = 0;
record_length = atoi_n (buf, 5);
if (record_length < 25)
return 0;
indicator_length = atoi_n (buf+10, 1);
identifier_length = atoi_n (buf+11, 1);
base_address = atoi_n (buf+12, 5);
length_data_entry = atoi_n (buf+20, 1);
length_starting = atoi_n (buf+21, 1);
length_implementation = atoi_n (buf+22, 1);
for (entry_p = 24; buf[entry_p] != ISO2709_FS; )
{
entry_p += 3+length_data_entry+length_starting;
if (entry_p >= record_length)
return 0;
}
base_address = entry_p+1;
for (entry_p = 24; buf[entry_p] != ISO2709_FS; )
{
Z_TaggedElement *tag;
int data_length;
int data_offset;
int end_offset;
int i;
char tag_str[4];
int identifier_flag = 1;
memcpy (tag_str, buf+entry_p, 3);
entry_p += 3;
tag_str[3] = '\0';
if ((r->num_elements + 1) >= max_elements)
{
Z_TaggedElement **tmp = r->elements;
/* double array space, throw away old buffer (nibble memory) */
r->elements = odr_malloc(o, sizeof(*r->elements) *
(max_elements *= 2));
memcpy(r->elements, tmp, r->num_elements * sizeof(*tmp));
}
tag = r->elements[r->num_elements++] = odr_malloc (o, sizeof(*tag));
tag->tagType = odr_malloc(o, sizeof(*tag->tagType));
*tag->tagType = 3;
tag->tagOccurrence = 0;
tag->metaData = 0;
tag->appliedVariant = 0;
tag->tagValue = odr_malloc (o, sizeof(*tag->tagValue));
tag->tagValue->which = Z_StringOrNumeric_string;
tag->tagValue->u.string = odr_strdup(o, tag_str);
tag->content = odr_malloc(o, sizeof(*tag->content));
tag->content->which = Z_ElementData_subtree;
tag->content->u.subtree =
odr_malloc (o, sizeof(*tag->content->u.subtree));
tag->content->u.subtree->elements =
odr_malloc (o, sizeof(*r->elements));
tag->content->u.subtree->num_elements = 1;
tag = tag->content->u.subtree->elements[0] =
odr_malloc (o, sizeof(**tag->content->u.subtree->elements));
tag->tagType = odr_malloc(o, sizeof(*tag->tagType));
*tag->tagType = 3;
tag->tagOccurrence = 0;
tag->metaData = 0;
tag->appliedVariant = 0;
tag->tagValue = odr_malloc (o, sizeof(*tag->tagValue));
tag->tagValue->which = Z_StringOrNumeric_string;
tag->content = odr_malloc(o, sizeof(*tag->content));
data_length = atoi_n (buf+entry_p, length_data_entry);
entry_p += length_data_entry;
data_offset = atoi_n (buf+entry_p, length_starting);
entry_p += length_starting;
i = data_offset + base_address;
end_offset = i+data_length-1;
if (indicator_length > 0 && indicator_length < 5)
{
if (buf[i + indicator_length] != ISO2709_IDFS)
identifier_flag = 0;
}
else if (!memcmp (tag_str, "00", 2))
identifier_flag = 0;
if (identifier_flag && indicator_length)
{
/* indicator */
tag->tagValue->u.string = odr_malloc(o, indicator_length+1);
memcpy (tag->tagValue->u.string, buf + i, indicator_length);
tag->tagValue->u.string[indicator_length] = '\0';
i += indicator_length;
tag->content->which = Z_ElementData_subtree;
tag->content->u.subtree =
odr_malloc (o, sizeof(*tag->content->u.subtree));
tag->content->u.subtree->elements =
odr_malloc (o, 256 * sizeof(*r->elements));
tag->content->u.subtree->num_elements = 0;
while (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS
&& i < end_offset)
{
int i0;
/* prepare tag */
Z_TaggedElement *parent_tag = tag;
Z_TaggedElement *tag = odr_malloc (o, sizeof(*tag));
if (parent_tag->content->u.subtree->num_elements < 256)
parent_tag->content->u.subtree->elements[
parent_tag->content->u.subtree->num_elements++] = tag;
tag->tagType = odr_malloc(o, sizeof(*tag->tagType));
*tag->tagType = 3;
tag->tagOccurrence = 0;
tag->metaData = 0;
tag->appliedVariant = 0;
tag->tagValue = odr_malloc (o, sizeof(*tag->tagValue));
tag->tagValue->which = Z_StringOrNumeric_string;
/* sub field */
tag->tagValue->u.string = odr_malloc (o, identifier_length);
memcpy (tag->tagValue->u.string, buf+i+1, identifier_length-1);
tag->tagValue->u.string[identifier_length-1] = '\0';
i += identifier_length;
/* data ... */
tag->content = odr_malloc(o, sizeof(*tag->content));
tag->content->which = Z_ElementData_string;
i0 = i;
while (buf[i] != ISO2709_RS && buf[i] != ISO2709_IDFS &&
buf[i] != ISO2709_FS && i < end_offset)
i++;
tag->content->u.string = odr_malloc (o, i - i0 + 1);
memcpy (tag->content->u.string, buf + i0, i - i0);
tag->content->u.string[i - i0] = '\0';
}
}
else
{
int i0 = i;
tag->tagValue->u.string = "@";
tag->content->which = Z_ElementData_string;
while (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS &&
i < end_offset)
i++;
tag->content->u.string = odr_malloc (o, i - i0 +1);
memcpy (tag->content->u.string, buf+i0, i - i0);
tag->content->u.string[i-i0] = '\0';
}
}
return r;
}
static void retval_grs1 (zval *return_value, Z_GenericRecord *p)
{
Z_GenericRecord *grs[20];
int eno[20];
int level = 0;
if (array_init(return_value) == FAILURE)
{
RETURN_FALSE;
}
eno[level] = 0;
grs[level] = p;
while (level >= 0)
{
zval *my_zval;
Z_TaggedElement *e = 0;
Z_GenericRecord *p = grs[level];
int i;
char tag[256];
int taglen = 0;
if (eno[level] >= p->num_elements)
{
--level;
if (level >= 0)
eno[level]++;
continue;
}
/* eno[level]++; */
*tag = '\0';
for (i = 0; i<=level; i++)
{
int tag_type = 3;
e = grs[i]->elements[eno[i]];
if (e->tagType)
tag_type = *e->tagType;
taglen = strlen(tag);
sprintf (tag+taglen, "(%d,", tag_type);
taglen = strlen(tag);
if (e->tagValue->which == Z_StringOrNumeric_string)
{
int len = strlen(e->tagValue->u.string);
memcpy (tag + taglen, e->tagValue->u.string, len);
tag[taglen+len] = '\0';
}
else if (e->tagValue->which == Z_StringOrNumeric_numeric)
{
sprintf (tag + taglen, "%d", *e->tagValue->u.numeric);
}
taglen = strlen(tag);
strcpy (tag + taglen, ")");
}
ALLOC_ZVAL(my_zval);
array_init(my_zval);
INIT_PZVAL(my_zval);
add_next_index_string(my_zval, tag, 1);
switch (e->content->which)
{
case Z_ElementData_string:
add_next_index_string (my_zval, e->content->u.string, 1);
break;
case Z_ElementData_numeric:
add_next_index_long (my_zval, *e->content->u.numeric);
break;
case Z_ElementData_trueOrFalse:
add_next_index_long (my_zval, *e->content->u.trueOrFalse);
break;
case Z_ElementData_subtree:
level++;
grs[level] = e->content->u.subtree;
eno[level] = -1;
}
zend_hash_next_index_insert (return_value->value.ht,
(void *) &my_zval, sizeof(zval *), NULL);
eno[level]++;
}
}
/* {{{ proto string yaz_record(int id, int pos, string type)
Return record information at given result set position */
PHP_FUNCTION(yaz_record)
{
pval **pval_id, **pval_pos, **pval_type;
Yaz_Association p;
int pos;
char *type;
if (ZEND_NUM_ARGS() != 3)
WRONG_PARAM_COUNT;
if (zend_get_parameters_ex(3, &pval_id, &pval_pos, &pval_type) == FAILURE)
{
WRONG_PARAM_COUNT;
}
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, pval_id, &p);
convert_to_long_ex(pval_pos);
pos = (*pval_pos)->value.lval;
convert_to_string_ex(pval_type);
type = (*pval_type)->value.str.val;
if (p && p->zoom_set)
{
ZOOM_record r = ZOOM_resultset_record (p->zoom_set, pos-1);
if (!strcmp(type, "string"))
type = "render";
if (r)
{
if (!strcmp (type, "syntax") ||
!strcmp (type, "database") ||
!strcmp (type, "render") ||
!strcmp (type, "xml"))
{
const char *info = ZOOM_record_get (r, type, 0);
return_value->value.str.len = strlen(info);
return_value->value.str.val =
estrndup(info, return_value->value.str.len);
return_value->type = IS_STRING;
}
else if (!strcmp (type, "array"))
{
Z_External *ext = (Z_External *) ZOOM_record_get (r, "ext", 0);
oident *ent = oid_getentbyoid(ext->direct_reference);
if (ext->which == Z_External_grs1 && ent->value == VAL_GRS1)
{
retval_grs1 (return_value, ext->u.grs1);
}
else if (ext->which == Z_External_octet)
{
char *buf = (char *) (ext->u.octet_aligned->buf);
ODR odr = odr_createmem (ODR_DECODE);
Z_GenericRecord *rec = 0;
switch (ent->value)
{
case VAL_SOIF:
case VAL_HTML:
break;
case VAL_TEXT_XML:
case VAL_APPLICATION_XML:
/* text2grs1 (&buf, &len, t->odr_in, 0, 0); */
break;
default:
rec = marc_to_grs1 (buf, odr);
}
if (rec)
retval_grs1 (return_value, rec);
odr_destroy (odr);
}
}
}
}
release_assoc (p);
}
/* }}} */
/* {{{ proto int yaz_syntax(int id, string syntax)
Set record syntax for retrieval */
PHP_FUNCTION(yaz_syntax)
{
pval **pval_id, **pval_syntax;
Yaz_Association p;
if (ZEND_NUM_ARGS() != 2 ||
zend_get_parameters_ex(2, &pval_id, &pval_syntax) == FAILURE)
{
WRONG_PARAM_COUNT;
}
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, pval_id, &p);
convert_to_string_ex (pval_syntax);
option_set (p, "preferredRecordSyntax", (*pval_syntax)->value.str.val);
release_assoc (p);
}
/* }}} */
/* {{{ proto int yaz_element(int id, string elementsetname)
Set Element-Set-Name for retrieval */
PHP_FUNCTION(yaz_element)
{
pval **pval_id, **pval_element;
Yaz_Association p;
if (ZEND_NUM_ARGS() != 2 ||
zend_get_parameters_ex(2, &pval_id, &pval_element) == FAILURE)
{
WRONG_PARAM_COUNT;
}
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, pval_id, &p);
convert_to_string_ex (pval_element);
option_set (p, "elementSetName", (*pval_element)->value.str.val);
release_assoc (p);
}
/* }}} */
/* {{{ proto int yaz_schema(int id, string schema)
Set Schema for retrieval */
PHP_FUNCTION(yaz_schema)
{
pval **pval_id, **pval_element;
Yaz_Association p;
if (ZEND_NUM_ARGS() != 2 ||
zend_get_parameters_ex(2, &pval_id, &pval_element) == FAILURE)
{
WRONG_PARAM_COUNT;
}
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, pval_id, &p);
convert_to_string_ex (pval_element);
option_set (p, "schema", (*pval_element)->value.str.val);
release_assoc (p);
}
/* }}} */
/* {{{ proto int yaz_range(int id, int start, int number)
Set result set start point and number of records to request */
PHP_FUNCTION(yaz_range)
{
pval **pval_id, **pval_start, **pval_number;
Yaz_Association p;
if (ZEND_NUM_ARGS() != 3 ||
zend_get_parameters_ex(3, &pval_id, &pval_start, &pval_number) ==
FAILURE)
{
WRONG_PARAM_COUNT;
}
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, pval_id, &p);
convert_to_long_ex (pval_start);
convert_to_long_ex (pval_number);
option_set_int (p, "start", (*pval_start)->value.lval - 1);
option_set_int (p, "count", (*pval_number)->value.lval);
release_assoc (p);
}
/* }}} */
/* {{{ proto int yaz_sort(int id, string sortspec)
Set result set sorting criteria */
PHP_FUNCTION(yaz_sort)
{
pval **pval_id, **pval_criteria;
Yaz_Association p;
if (ZEND_NUM_ARGS() != 2 ||
zend_get_parameters_ex(2, &pval_id, &pval_criteria) ==
FAILURE)
{
WRONG_PARAM_COUNT;
}
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, pval_id, &p);
if (p)
{
convert_to_string_ex (pval_criteria);
xfree (p->sort_criteria);
p->sort_criteria = xstrdup ((*pval_criteria)->value.str.val);
}
release_assoc (p);
}
/* }}} */
const char *ill_array_lookup (void *handle, const char *name)
{
return array_lookup_string((HashTable *) handle, name);
}
/* {{{ proto int yaz_itemorder(int id, array package)
Sends Item Order request */
PHP_FUNCTION(yaz_itemorder)
{
pval **pval_id, **pval_package;
Yaz_Association p;
if (ZEND_NUM_ARGS() != 2 ||
zend_get_parameters_ex(2, &pval_id, &pval_package) ==
FAILURE)
{
WRONG_PARAM_COUNT;
}
if (Z_TYPE_PP(pval_package) != IS_ARRAY)
{
php_error(E_WARNING, "yaz_itemorder: Expected array parameter");
RETURN_FALSE;
}
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, pval_id, &p);
if (p)
{
ZOOM_options options = ZOOM_options_create();
ZOOM_options_set_callback (options, ill_array_lookup,
Z_ARRVAL_PP(pval_package));
ZOOM_package_destroy (p->zoom_package);
p->zoom_package = ZOOM_connection_package (p->zoom_conn, options);
ZOOM_package_send(p->zoom_package, "itemorder");
ZOOM_options_destroy (options);
}
release_assoc (p);
}
/* }}} */
/* {{{ proto int yaz_scan(int id, type, query [, flags])
Sends Scan Request */
PHP_FUNCTION(yaz_scan)
{
pval **pval_id, **pval_type, **pval_query, **pval_flags = 0;
HashTable *flags_ht = 0;
Yaz_Association p;
if (ZEND_NUM_ARGS() == 3)
{
if (zend_get_parameters_ex(3, &pval_id, &pval_type, &pval_query) ==
FAILURE)
{
WRONG_PARAM_COUNT;
}
}
else if (ZEND_NUM_ARGS() == 4)
{
if (zend_get_parameters_ex(4, &pval_id, &pval_type, &pval_query,
&pval_flags) ==
FAILURE)
{
WRONG_PARAM_COUNT;
}
if (Z_TYPE_PP(pval_flags) != IS_ARRAY)
{
php_error(E_WARNING, "yaz_scan: Bad flags parameter");
RETURN_FALSE;
}
flags_ht = Z_ARRVAL_PP(pval_flags);
}
else
{
WRONG_PARAM_COUNT;
}
convert_to_string_ex (pval_type);
convert_to_string_ex (pval_query);
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, pval_id, &p);
ZOOM_scanset_destroy (p->zoom_scan);
p->zoom_scan = 0;
if (p)
{
option_set (p, "number", array_lookup_string (flags_ht, "number"));
option_set (p, "position", array_lookup_string (flags_ht, "position"));
option_set (p, "stepSize", array_lookup_string (flags_ht, "stepsize"));
p->zoom_scan = ZOOM_connection_scan (p->zoom_conn,
Z_STRVAL_PP(pval_query));}
release_assoc (p);
}
/* }}} */
/* {{{ proto int yaz_es_result(int id)
Inspects Extended Services Result */
PHP_FUNCTION(yaz_es_result)
{
pval **pval_id;
Yaz_Association p;
if (ZEND_NUM_ARGS() == 1)
{
if (zend_get_parameters_ex(1, &pval_id) == FAILURE)
{
WRONG_PARAM_COUNT;
}
}
else
{
WRONG_PARAM_COUNT;
}
if (array_init(return_value) == FAILURE)
{
RETURN_FALSE;
}
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, pval_id, &p);
if (p && p->zoom_package)
{
const char *str = ZOOM_package_option_get(p->zoom_package,
"targetReference");
if (str)
add_assoc_string (return_value, "targetReference",
(char*)str, 1);
}
release_assoc (p);
}
/* }}} */
/* {{{ proto int yaz_scan_result(int id, array options)
Inspects Scan Result */
PHP_FUNCTION(yaz_scan_result)
{
pval **pval_id, **pval_opt = 0;
Yaz_Association p;
if (ZEND_NUM_ARGS() == 2)
{
if (zend_get_parameters_ex(2, &pval_id, &pval_opt) == FAILURE)
{
WRONG_PARAM_COUNT;
}
}
else if (ZEND_NUM_ARGS() == 1)
{
if (zend_get_parameters_ex(1, &pval_id) == FAILURE)
{
WRONG_PARAM_COUNT;
}
}
else
{
WRONG_PARAM_COUNT;
}
if (array_init(return_value) == FAILURE)
{
RETURN_FALSE;
}
if (pval_opt && array_init(*pval_opt) == FAILURE)
{
RETURN_FALSE;
}
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, pval_id, &p);
if (p && p->zoom_scan)
{
int pos = 0;
const char *term;
int occ, len;
int size = ZOOM_scanset_size (p->zoom_scan);
for (pos = 0; pos < size; pos++)
{
const char *term =
ZOOM_scanset_term(p->zoom_scan, pos, &occ, &len);
zval *my_zval;
ALLOC_ZVAL(my_zval);
array_init(my_zval);
INIT_PZVAL(my_zval);
add_next_index_string(my_zval, "term", 1);
if (term)
add_next_index_stringl (my_zval, (char*) term, len, 1);
else
add_next_index_string (my_zval, "?", 1);
add_next_index_long (my_zval, occ);
zend_hash_next_index_insert (
return_value->value.ht, (void *) &my_zval, sizeof(zval *),
NULL);
}
if (pval_opt)
{
const char *v;
add_assoc_long(*pval_opt, "number", size);
v = ZOOM_scanset_option_get (p->zoom_scan, "stepSize");
if (v)
add_assoc_long(*pval_opt, "stepsize", atoi(v));
v = ZOOM_scanset_option_get (p->zoom_scan, "position");
if (v)
add_assoc_long(*pval_opt, "position", atoi(v));
v = ZOOM_scanset_option_get (p->zoom_scan, "scanStatus");
if (v)
add_assoc_long(*pval_opt, "status", atoi(v));
}
}
release_assoc (p);
}
/* }}} */
/* {{{ proto int yaz_ccl_conf(int id, array package)
Configure CCL package */
PHP_FUNCTION(yaz_ccl_conf)
{
pval **pval_id, **pval_package;
Yaz_Association p;
if (ZEND_NUM_ARGS() != 2 ||
zend_get_parameters_ex(2, &pval_id, &pval_package) ==
FAILURE)
{
WRONG_PARAM_COUNT;
}
if (Z_TYPE_PP(pval_package) != IS_ARRAY)
{
php_error(E_WARNING, "yaz_ccl_conf: Expected array parameter");
RETURN_FALSE;
}
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, pval_id, &p);
if (p)
{
HashTable *ht = Z_ARRVAL_PP(pval_package);
HashPosition pos;
zval **ent;
char *key;
ccl_qual_rm(&p->ccl_parser->bibset);
p->ccl_parser->bibset = ccl_qual_mk();
for(zend_hash_internal_pointer_reset_ex(ht, &pos);
zend_hash_get_current_data_ex(ht, (void**) &ent, &pos) == SUCCESS;
zend_hash_move_forward_ex(ht, &pos))
{
ulong idx;
#if PHP_API_VERSION > 20010101
int type = zend_hash_get_current_key_ex(ht, &key, 0,
&idx, 0, &pos);
#else
int type = zend_hash_get_current_key_ex(ht, &key, 0,
&idx, &pos);
#endif
if (type != HASH_KEY_IS_STRING || Z_TYPE_PP(ent) != IS_STRING)
continue;
ccl_qual_fitem(p->ccl_parser->bibset, (*ent)->value.str.val, key);
}
}
release_assoc (p);
}
/* }}} */
/* {{{ proto int yaz_ccl_parse(int id, string query, array res)
Parse a CCL query */
PHP_FUNCTION(yaz_ccl_parse)
{
pval **pval_id, **pval_query, **pval_res = 0;
Yaz_Association p;
if (ZEND_NUM_ARGS() != 3 ||
zend_get_parameters_ex(3, &pval_id, &pval_query, &pval_res) ==
FAILURE)
{
WRONG_PARAM_COUNT;
}
pval_destructor(*pval_res);
if (array_init(*pval_res) == FAILURE)
{
php_error(E_WARNING, "cannot initialize array");
RETURN_FALSE;
}
convert_to_string_ex (pval_query);
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, pval_id, &p);
if (p)
{
const char *query_str = (*pval_query)->value.str.val;
struct ccl_rpn_node *rpn;
struct ccl_token *token_list =
ccl_parser_tokenize(p->ccl_parser, query_str);
rpn = ccl_parser_find(p->ccl_parser, token_list);
ccl_token_del(token_list);
add_assoc_long(*pval_res, "errorcode", p->ccl_parser->error_code);
if (p->ccl_parser->error_code)
{
add_assoc_string(*pval_res, "errorstring",
(char*) ccl_err_msg(p->ccl_parser->error_code),
1);
add_assoc_long(*pval_res, "errorpos",
p->ccl_parser->error_pos - query_str);
RETVAL_FALSE;
}
else
{
WRBUF wrbuf_pqf = wrbuf_alloc();
ccl_pquery(wrbuf_pqf, rpn);
add_assoc_stringl(*pval_res, "rpn", wrbuf_buf(wrbuf_pqf),
wrbuf_len(wrbuf_pqf),1);
wrbuf_free(wrbuf_pqf, 1);
RETVAL_TRUE;
}
ccl_rpn_delete(rpn);
}
else
RETVAL_FALSE;
release_assoc (p);
}
/* }}} */
/* {{{ proto int yaz_database (int id, string databases)
Specify the databases within a session */
PHP_FUNCTION(yaz_database)
{
pval **pval_id, **pval_database;
Yaz_Association p;
if (ZEND_NUM_ARGS() != 2 ||
zend_get_parameters_ex(2, &pval_id, &pval_database) ==
FAILURE)
{
WRONG_PARAM_COUNT;
}
convert_to_string_ex (pval_database);
get_assoc (INTERNAL_FUNCTION_PARAM_PASSTHRU, pval_id, &p);
option_set (p, "databaseName", (*pval_database)->value.str.val);
RETVAL_TRUE;
release_assoc (p);
}
/* }}} */
/* {{{ php_yaz_init_globals
*/
static void php_yaz_init_globals(zend_yaz_globals *yaz_globals)
{
yaz_globals->assoc_seq = 0;
}
/* }}} */
void yaz_close_session(Yaz_Association *as TSRMLS_DC)
{
if (*as && (*as)->order == YAZSG(assoc_seq))
{
if ((*as)->persistent)
(*as)->in_use = 0;
else
{
yaz_association_destroy(*as);
*as = 0;
}
}
}
static void yaz_close_link (zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
Yaz_Association *as = (Yaz_Association *) rsrc->ptr;
yaz_close_session (as TSRMLS_CC);
}
/* {{{ PHP_INI_BEGIN
*/
PHP_INI_BEGIN()
STD_PHP_INI_ENTRY("yaz.max_links", "100", PHP_INI_ALL,
OnUpdateInt, max_links,
zend_yaz_globals, yaz_globals)
STD_PHP_INI_ENTRY("yaz.log_file", "", PHP_INI_ALL,
OnUpdateString, log_file,
zend_yaz_globals, yaz_globals)
PHP_INI_END()
/* }}} */
PHP_MINIT_FUNCTION(yaz)
{
int i;
nmem_init();
#ifdef ZTS
yaz_mutex = tsrm_mutex_alloc();
#endif
yaz_log_init_file ("/dev/null");
ZEND_INIT_MODULE_GLOBALS(yaz, php_yaz_init_globals, NULL);
REGISTER_INI_ENTRIES();
if (YAZSG(log_file))
{
yaz_log_init_file(YAZSG(log_file));
yaz_log_init_level (LOG_ALL);
}
le_link = zend_register_list_destructors_ex (yaz_close_link, 0,
"YAZ link", module_number);
order_associations = 1;
shared_associations = xmalloc (sizeof(*shared_associations) * MAX_ASSOC);
for (i = 0; i<MAX_ASSOC; i++)
shared_associations[i] = 0;
return SUCCESS;
}
PHP_MSHUTDOWN_FUNCTION(yaz)
{
int i;
if (shared_associations)
{
for (i = 0; i<MAX_ASSOC; i++)
yaz_association_destroy (shared_associations[i]);
xfree (shared_associations);
shared_associations = 0;
nmem_exit();
}
#ifdef ZTS
tsrm_mutex_free (yaz_mutex);
#endif
return SUCCESS;
}
PHP_MINFO_FUNCTION(yaz)
{
php_info_print_table_start();
php_info_print_table_row(2, "YAZ Support", "enabled");
php_info_print_table_row(2, "YAZ Version", YAZ_VERSION);
php_info_print_table_row(2, "ZOOM", "enabled");
php_info_print_table_end();
}
PHP_RSHUTDOWN_FUNCTION(yaz)
{
return SUCCESS;
}
PHP_RINIT_FUNCTION(yaz)
{
char pidstr[20];
sprintf (pidstr, "%ld", (long) getpid());
#ifdef ZTS
tsrm_mutex_lock (yaz_mutex);
#endif
YAZSG(assoc_seq) = order_associations++;
#ifdef ZTS
tsrm_mutex_unlock (yaz_mutex);
#endif
yaz_log_init_prefix(pidstr);
return SUCCESS;
}
zend_module_entry yaz_module_entry = {
#if ZEND_MODULE_API_NO >= 20010901
STANDARD_MODULE_HEADER,
#endif
"yaz",
yaz_functions,
PHP_MINIT(yaz),
PHP_MSHUTDOWN(yaz),
PHP_RINIT(yaz),
PHP_RSHUTDOWN(yaz),
PHP_MINFO(yaz),
#if ZEND_MODULE_API_NO >= 20010901
NO_VERSION_YET,
#endif
STANDARD_MODULE_PROPERTIES
};
#ifdef COMPILE_DL_YAZ
ZEND_GET_MODULE(yaz)
#endif
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/
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