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Diffstat (limited to 'redland/rasqal/rasqal.h')
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diff --git a/redland/rasqal/rasqal.h b/redland/rasqal/rasqal.h deleted file mode 100644 index 331532d9cb2d..000000000000 --- a/redland/rasqal/rasqal.h +++ /dev/null @@ -1,2221 +0,0 @@ -/* -*- Mode: c; c-basic-offset: 2 -*- - * - * rasqal.h - Rasqal RDF Query library interfaces and definition - * - * Copyright (C) 2003-2010, David Beckett http://www.dajobe.org/ - * Copyright (C) 2003-2005, University of Bristol, UK http://www.bristol.ac.uk/ - * - * This package is Free Software and part of Redland http://librdf.org/ - * - * It is licensed under the following three licenses as alternatives: - * 1. GNU Lesser General Public License (LGPL) V2.1 or any newer version - * 2. GNU General Public License (GPL) V2 or any newer version - * 3. Apache License, V2.0 or any newer version - * - * You may not use this file except in compliance with at least one of - * the above three licenses. - * - * See LICENSE.html or LICENSE.txt at the top of this package for the - * complete terms and further detail along with the license texts for - * the licenses in COPYING.LIB, COPYING and LICENSE-2.0.txt respectively. - * - */ - - - -#ifndef RASQAL_H -#define RASQAL_H - - -#ifdef __cplusplus -extern "C" { -#endif - - -/** - * RASQAL_VERSION: - * - * Rasqal library version number - * - * Format: major * 10000 + minor * 100 + release - */ -#define RASQAL_VERSION 930 - -/** - * RASQAL_VERSION_STRING: - * - * Rasqal library version string - */ -#define RASQAL_VERSION_STRING "0.9.30" - -/** - * RASQAL_VERSION_MAJOR: - * - * Rasqal library major version - */ -#define RASQAL_VERSION_MAJOR 0 - -/** - * RASQAL_VERSION_MINOR: - * - * Rasqal library minor version - */ -#define RASQAL_VERSION_MINOR 9 - -/** - * RASQAL_VERSION_RELEASE: - * - * Rasqal library release - */ -#define RASQAL_VERSION_RELEASE 30 - - -/** - * RASQAL_API: - * - * Macro for wrapping API function call declarations. - * - */ -#ifndef RASQAL_API -# ifdef WIN32 -# ifdef __GNUC__ -# undef _declspec -# define _declspec(x) __declspec(x) -# endif -# ifdef RASQAL_STATIC -# define RASQAL_API -# else -# ifdef RASQAL_INTERNAL -# define RASQAL_API _declspec(dllexport) -# else -# define RASQAL_API _declspec(dllimport) -# endif -# endif -# else -# define RASQAL_API -# endif -#endif - -/* Use gcc 3.1+ feature to allow marking of deprecated API calls. - * This gives a warning during compiling. - */ -#if ( __GNUC__ == 3 && __GNUC_MINOR__ > 0 ) || __GNUC__ > 3 -#define RASQAL_DEPRECATED __attribute__((deprecated)) -#else -#define RASQAL_DEPRECATED -#endif - - -#ifndef LIBRDF_OBJC_FRAMEWORK -#include <raptor.h> -#else -#include <Redland/raptor.h> -#endif - -#if 0 -#include <sys/time.h> -#endif -#if 1 -#include <time.h> -#endif - -/* Public statics */ - -/** - * rasqal_short_copyright_string: - * - * Short copyright string (one line). - */ -RASQAL_API -extern const char * const rasqal_short_copyright_string; - -/** - * rasqal_copyright_string: - * - * Copyright string (multiple lines). - */ -RASQAL_API -extern const char * const rasqal_copyright_string; - -/** - * rasqal_version_string: - * - * Rasqal version as a string. - */ -RASQAL_API -extern const char * const rasqal_version_string; - -/** - * rasqal_version_major: - * - * Rasqal major version number. - */ -RASQAL_API -extern const unsigned int rasqal_version_major; - -/** - * rasqal_version_minor: - * - * Rasqal minor version number. - */ -RASQAL_API -extern const unsigned int rasqal_version_minor; - -/** - * rasqal_version_release: - * - * Rasqal release version number. - */ -RASQAL_API -extern const unsigned int rasqal_version_release; - -/** - * rasqal_version_decimal: - * - * Rasqal version as a decimal number. - * - * Format: major * 10000 + minor * 100 + release - */ -RASQAL_API -extern const unsigned int rasqal_version_decimal; - -/** - * rasqal_license_string: - * - * Rasqal license string. - */ -RASQAL_API -extern const char * const rasqal_license_string; - -/** - * rasqal_home_url_string: - * - * Rasqal home page URL. - */ -RASQAL_API -extern const char * const rasqal_home_url_string; - - - -/** - * RASQAL_RAPTOR_VERSION: - * - * Version of Raptor that Rasqal was configured against. - */ -#define RASQAL_RAPTOR_VERSION 0 - - -/* Public structures */ - -#ifndef RASQAL_WORLD_DECLARED -#define RASQAL_WORLD_DECLARED 1 -/** - * rasqal_world: - * - * Rasqal world class. - */ -typedef struct rasqal_world_s rasqal_world; -#endif - -/** - * rasqal_query: - * - * Rasqal query class. - */ -typedef struct rasqal_query_s rasqal_query; - -/** - * rasqal_query_results: - * - * Rasqal query results class. - */ -typedef struct rasqal_query_results_s rasqal_query_results; - - -#ifndef RASQAL_QUERY_RESULTS_FORMATTER_DECLARED -#define RASQAL_QUERY_RESULTS_FORMATTER_DECLARED 1 -/** - * rasqal_query_results_formatter: - * - * Rasqal query results formatter class. - */ -typedef struct rasqal_query_results_formatter_s rasqal_query_results_formatter; -#endif - - -typedef struct rasqal_literal_s rasqal_literal; - -/** - * rasqal_graph_pattern: - * - * Rasqal graph pattern class. - */ -typedef struct rasqal_graph_pattern_s rasqal_graph_pattern; - - -/** - * rasqal_variables_table: - * - * Rasqal variables table class. - */ -typedef struct rasqal_variables_table_s rasqal_variables_table; - - -/** - * rasqal_feature: - * @RASQAL_FEATURE_NO_NET: Deny network requests. - * @RASQAL_FEATURE_RAND_SEED: Set rand() / rand_r() seed - * @RASQAL_FEATURE_LAST: Internal. - * - * Query features. - * - * None currently defined. - */ -typedef enum { - RASQAL_FEATURE_NO_NET, - RASQAL_FEATURE_RAND_SEED, - RASQAL_FEATURE_LAST = RASQAL_FEATURE_RAND_SEED -} rasqal_feature; - - -/** - * rasqal_prefix: - * @world: rasqal_world object - * @prefix: short prefix string - * @uri: URI associated with the prefix. - * @declared: Internal flag. - * @depth: Internal flag. - * - * Namespace (prefix, uri) pair. - * - * Includes internal flags used for marking when prefixes are - * declared and at what XML element depth when used in XML formats. - */ -typedef struct { - rasqal_world* world; - const unsigned char *prefix; - raptor_uri* uri; - int declared; - int depth; -} rasqal_prefix; - - -/** - * rasqal_variable_type: - * @RASQAL_VARIABLE_TYPE_NORMAL: The regular variable type. - * @RASQAL_VARIABLE_TYPE_ANONYMOUS: Anonymous variable type. - * @RASQAL_VARIABLE_TYPE_UNKNOWN: Internal. - * - * Rasqal variable types. - * - * ANONYMOUS can be used in queries but cannot be returned in a - * result. - */ -typedef enum { - RASQAL_VARIABLE_TYPE_UNKNOWN = 0, - RASQAL_VARIABLE_TYPE_NORMAL = 1, - RASQAL_VARIABLE_TYPE_ANONYMOUS = 2 -} rasqal_variable_type; - - -/* forward reference */ -struct rasqal_expression_s; - -/** - * rasqal_variable: - * @vars_table: variables table that owns this variable - * @name: Variable name. - * @value: Variable value or NULL if unbound. - * @offset: Internal. - * @type: Variable type. - * @expression: Expression when the variable is a computed SELECT expression - * @user_data: Pointer to user data associated with a variable. This is not used by rasqal. - * @usage: reference count - * - * Binding between a variable name and a value. - * - * Includes internal field @offset for recording the offset into the - * (internal) rasqal_query variables array. - */ -typedef struct { - rasqal_variables_table* vars_table; - const unsigned char *name; - rasqal_literal* value; - int offset; - rasqal_variable_type type; - struct rasqal_expression_s* expression; - void *user_data; - int usage; -} rasqal_variable; - - -/** - * rasqal_data_graph_flags: - * @RASQAL_DATA_GRAPH_NONE: Internal. - * @RASQAL_DATA_GRAPH_NAMED: Graphs with a source and name. - * @RASQAL_DATA_GRAPH_BACKGROUND: Graphs with a source only. - * - * Flags for the type of #rasqal_data_graph. - * - * These are used by rasqal_new_data_graph_from_uri() and - * rasqal_new_data_graph_from_iostream(). See #rasqal_data_graph. - */ -typedef enum { - RASQAL_DATA_GRAPH_NONE = 0, - RASQAL_DATA_GRAPH_NAMED = 1, - RASQAL_DATA_GRAPH_BACKGROUND = 2, -} rasqal_data_graph_flags; - - -/** - * rasqal_data_graph: - * @world: rasqal_world object - * @uri: source URI - * @name_uri: name of graph for %RASQAL_DATA_GRAPH_NAMED - * @flags: %RASQAL_DATA_GRAPH_NAMED or %RASQAL_DATA_GRAPH_BACKGROUND - * @format_type: MIME Type of data format at @uri (or NULL) - * @format_name: Raptor parser Name of data format at @uri (or NULL) - * @format_uri: URI of data format at @uri (or NULL) - * @iostr: Raptor iostream for content, overriding @uri if present (or NULL) - * @base_uri: base URI for reading from iostream - * @usage: usage count of this object - * - * A source of RDF data for querying. - * - * If @iostr is present, the graph can be constructed by parsing the - * iostream and using @base_uri as a base uri. Otherwise the graph - * can be constructed from the graph at URI @uri. - * - * In either case the @name_uri is the graph name as long as @flags - * is %RASQAL_DATA_GRAPH_NAMED - */ -typedef struct { - rasqal_world* world; - raptor_uri* uri; - raptor_uri* name_uri; - int flags; - char* format_type; - char* format_name; - raptor_uri* format_uri; - raptor_iostream* iostr; - raptor_uri* base_uri; - int usage; -} rasqal_data_graph; - - -/** - * rasqal_literal_type: - * @RASQAL_LITERAL_BLANK: RDF blank node literal (SPARQL r:bNode) - * @RASQAL_LITERAL_URI: RDF URI Literal (SPARQL r:URI) - * @RASQAL_LITERAL_STRING: RDF Plain Literal - no datatype (SPARQL r:Literal) - * @RASQAL_LITERAL_XSD_STRING: String xsd:string - * @RASQAL_LITERAL_BOOLEAN: Boolean literal xsd:boolean. - * @RASQAL_LITERAL_INTEGER: Integer literal xsd:integer. - * @RASQAL_LITERAL_DOUBLE: Double floating point literal xsd:double. - * @RASQAL_LITERAL_FLOAT: Floating point literal xsd:float. - * @RASQAL_LITERAL_DECIMAL: Decimal integer xsd:decimal. - * @RASQAL_LITERAL_DATETIME: Date/Time literal xsd:dateTime. - * @RASQAL_LITERAL_UDT: User defined typed literal with unknown datatype URI - * @RASQAL_LITERAL_PATTERN: Pattern literal for a regex. - * @RASQAL_LITERAL_QNAME: XML Qname literal. - * @RASQAL_LITERAL_VARIABLE: Variable literal. - * @RASQAL_LITERAL_DATE: Date literal xsd:date. - * @RASQAL_LITERAL_INTEGER_SUBTYPE: Internal. - * @RASQAL_LITERAL_UNKNOWN: Internal. - * @RASQAL_LITERAL_FIRST_XSD: Internal. - * @RASQAL_LITERAL_LAST_XSD: Internal. - * @RASQAL_LITERAL_LAST: Internal. - * - * Types of literal. - * - * The order in the enumeration is significant as it encodes - * the SPARQL term ordering conditions: - * - * Blank Nodes << IRIs << RDF literals << typed literals - * - * which coresponds to in enum values - * - * BLANK << URI << STRING << - * (BOOLEAN | INTEGER | DOUBLE | FLOAT | DECIMAL | DATETIME | XSD_STRING) - * - * (RASQAL_LITERAL_FIRST_XSD ... RASQAL_LITERAL_LAST_XSD) - * - * Not used (internal): PATTERN, QNAME, VARIABLE - * - * See rasqal_literal_compare() when used with flags - * %RASQAL_COMPARE_XQUERY - */ -typedef enum { - /* internal */ - RASQAL_LITERAL_UNKNOWN, - RASQAL_LITERAL_BLANK, - RASQAL_LITERAL_URI, - RASQAL_LITERAL_STRING, - RASQAL_LITERAL_XSD_STRING, - RASQAL_LITERAL_BOOLEAN, - RASQAL_LITERAL_INTEGER, - RASQAL_LITERAL_FLOAT, - RASQAL_LITERAL_DOUBLE, - RASQAL_LITERAL_DECIMAL, - RASQAL_LITERAL_DATETIME, - /* internal */ - RASQAL_LITERAL_FIRST_XSD = RASQAL_LITERAL_XSD_STRING, - /* internal */ - RASQAL_LITERAL_LAST_XSD = RASQAL_LITERAL_DATETIME, - RASQAL_LITERAL_UDT, - RASQAL_LITERAL_PATTERN, - RASQAL_LITERAL_QNAME, - RASQAL_LITERAL_VARIABLE, - /* internal */ - RASQAL_LITERAL_INTEGER_SUBTYPE, - RASQAL_LITERAL_DATE, - /* internal */ - RASQAL_LITERAL_LAST = RASQAL_LITERAL_DATE -} rasqal_literal_type; - -#define RASQAL_LITERAL_UDT_DEFINED 1 - - -/** - * rasqal_row: - * - * Rasqal Result Row class. - */ -typedef struct rasqal_row_s rasqal_row; - - -/** - * rasqal_xsd_decimal: - * - * Rasqal XSD Decimal class. - */ -typedef struct rasqal_xsd_decimal_s rasqal_xsd_decimal; - - -/** - * RASQAL_XSD_DATETIME_NO_TZ: - * - * Sentinel XSD Decimal timezone value indicating no timezone is present. - */ -#define RASQAL_XSD_DATETIME_NO_TZ (9999) - -/** - * rasqal_xsd_date: - * @year: year - * @month: month 1-12 - * @day: 1-31 - * @timezone_minutes: minutes +/- against UTC or RASQAL_XSD_DATETIME_NO_TZ if there is no timezone in the dateTime. - * @time_on_timeline: time on timeline of first instant of date in timezone - * @have_tz: timezone flag: 'Z' if Zulu, 'Y' if has other timezone offset in @timezone_minutes, 'N' if there is no timezone - * - * XML schema date datatype (xsd:date) - * - * Examples of timezone fields: - * "2010-01-02" : timezone_minutes RASQAL_XSD_DATETIME_NO_TZ, have_tz 'N' - * "2010-01-02Z" : timezone_minutes 0, have_tz 'Z' - * "2010-01-02+00:00" : timezone_minutes 0, have_tz 'Y' - * "2010-01-02-01:00" : timezone_minutes -60, have_tz 'Y' - */ -typedef struct { - signed int year; - /* the following fields are integer values not characters */ - unsigned char month; - unsigned char day; - signed short timezone_minutes; - time_t time_on_timeline; - char have_tz; -} rasqal_xsd_date; - - -/** - * rasqal_xsd_datetime: - * @year: year - * @month: month 1-12 - * @day: 1-31 - * @hour: hour 0-23 - * @minute: minute 0-59 - * @second: second 0-60 (yes 60 is allowed for leap seconds) - * @microseconds: microseconds - * @timezone_minutes: minutes +/- against UTC or RASQAL_XSD_DATETIME_NO_TZ if there is no timezone in the dateTime. - * @time_on_timeline: time on timeline - * @have_tz: timezone flag: 'Z' if Zulu, 'Y' if has other timezone offset in @timezone_minutes, 'N' if there is no timezone - * - * XML Schema dateTime datatype (xsd:dateTime) - * - * Signed types are required for normalization process where a value - * can be negative temporarily. - * - * Examples of timezone fields: - * "2010-01-02T01:02:03" : timezone_minutes RASQAL_XSD_DATETIME_NO_TZ, have_tz 'N' - * "2010-01-02T01:02:03Z" : timezone_minutes 0, have_tz 'Z' - * "2010-01-02T01:02:03+00:00" : timezone_minutes 0, have_tz 'Y' - * "2010-01-02T01:02:03-01:00" : timezone_minutes -60, have_tz 'Y' - */ -typedef struct { - signed int year; - unsigned char month; - unsigned char day; - /* the following fields are integer values not characters */ - signed char hour; - signed char minute; - signed char second; - signed int microseconds; - signed short timezone_minutes; - time_t time_on_timeline; - char have_tz; -} rasqal_xsd_datetime; - - -/** - * rasqal_literal: - * @world: world object pointer - * @usage: Usage count. - * @type: Type of literal. - * @string: String form of literal for literal types UTF-8 string, pattern, qname, blank, double, float, decimal, datetime. - * @string_len: Length of @string. - * @value: Alternate value content. - * @language: Language for string literal type. - * @datatype: Datatype for string literal type. - * @flags: Flags for literal types - * @parent_type: parent XSD type if any or RASQAL_LITERAL_UNKNOWN - * @valid: >0 if literal format is a valid lexical form for this datatype. 0 if not valid. <0 if this has not been checked yet - * - * Rasqal literal class. - * - */ -struct rasqal_literal_s { - rasqal_world *world; - - int usage; - - rasqal_literal_type type; - - /* UTF-8 string, pattern, qname, blank, double, float, decimal, datetime */ - const unsigned char *string; - unsigned int string_len; - - union { - /* integer and boolean types */ - int integer; - /* double and float */ - double floating; - /* uri (can be temporarily NULL if a qname, see flags below) */ - raptor_uri* uri; - /* variable */ - rasqal_variable* variable; - /* decimal */ - rasqal_xsd_decimal* decimal; - /* datetime */ - rasqal_xsd_datetime* datetime; - /* date */ - rasqal_xsd_date* date; - } value; - - /* for string */ - const char *language; - raptor_uri *datatype; - - /* various flags for literal types: - * pattern regex flags - * string datatype of qname - * uri qname of URI not yet expanded (temporary) - */ - const unsigned char *flags; - - rasqal_literal_type parent_type; - - int valid; -}; - - -/** - * rasqal_op: - * @RASQAL_EXPR_AND: Expression for AND(A, B) - * @RASQAL_EXPR_OR: Expression for OR(A, B) - * @RASQAL_EXPR_EQ: Expression for A equals B - * @RASQAL_EXPR_NEQ: Expression for A not equals B. - * @RASQAL_EXPR_LT: Expression for A less than B. - * @RASQAL_EXPR_GT: Expression for A greather than B. - * @RASQAL_EXPR_LE: Expression for A less than or equal to B. - * @RASQAL_EXPR_GE: Expression for A greater than or equal to B. - * @RASQAL_EXPR_UMINUS: Expression for -A. - * @RASQAL_EXPR_PLUS: Expression for +A. - * @RASQAL_EXPR_MINUS: Expression for A-B. - * @RASQAL_EXPR_STAR: Expression for A*B. - * @RASQAL_EXPR_SLASH: Expression for A/B. - * @RASQAL_EXPR_REM: Expression for A/B remainder. - * @RASQAL_EXPR_STR_EQ: Expression for A string equals B. - * @RASQAL_EXPR_STR_NEQ: Expression for A string not-equals B. - * @RASQAL_EXPR_STR_MATCH: Expression for string A matches literal regex B with flags. - * @RASQAL_EXPR_STR_NMATCH: Expression for string A not-matches literal regex B with flags. - * @RASQAL_EXPR_REGEX: Expression for string A matches expression regex B with flags. - * @RASQAL_EXPR_TILDE: Expression for binary not A. - * @RASQAL_EXPR_BANG: Expression for logical not A. - * @RASQAL_EXPR_LITERAL: Expression for a #rasqal_literal. - * @RASQAL_EXPR_FUNCTION: Expression for a function A with arguments (B...). - * @RASQAL_EXPR_BOUND: Expression for SPARQL ISBOUND(A). - * @RASQAL_EXPR_STR: Expression for SPARQL STR(A). - * @RASQAL_EXPR_LANG: Expression for SPARQL LANG(A). - * @RASQAL_EXPR_LANGMATCHES: Expression for SPARQL LANGMATCHES(A, B). - * @RASQAL_EXPR_DATATYPE: Expression for SPARQL DATATYPE(A). - * @RASQAL_EXPR_ISURI: Expression for SPARQL ISURI(A). - * @RASQAL_EXPR_ISBLANK: Expression for SPARQL ISBLANK(A). - * @RASQAL_EXPR_ISLITERAL: Expression for SPARQL ISLITERAL(A). - * @RASQAL_EXPR_CAST: Expression for cast literal A to type B. - * @RASQAL_EXPR_ORDER_COND_ASC: Expression for SPARQL order condition ascending. - * @RASQAL_EXPR_ORDER_COND_DESC: Expression for SPARQL order condition descending. - * @RASQAL_EXPR_GROUP_COND_ASC: Obsolete - not used - * @RASQAL_EXPR_GROUP_COND_DESC: Obsolete - not used - * @RASQAL_EXPR_COUNT: Expression for LAQRS select COUNT() aggregate function - * @RASQAL_EXPR_VARSTAR: Expression for LAQRS select Variable * - * @RASQAL_EXPR_SAMETERM: Expression for SPARQL sameTerm - * @RASQAL_EXPR_SUM: Expression for LAQRS select SUM() aggregate function - * @RASQAL_EXPR_AVG: Expression for LAQRS select AVG() aggregate function - * @RASQAL_EXPR_MIN: Expression for LAQRS select MIN() aggregate function - * @RASQAL_EXPR_MAX: Expression for LAQRS select MAX() aggregate function - * @RASQAL_EXPR_COALESCE: Expression for LAQRS COALESCE(Expr+) - * @RASQAL_EXPR_IF: Expression for LAQRS IF(expr, expr, expr) - * @RASQAL_EXPR_URI: Expression for LAQRS URI(expr) - * @RASQAL_EXPR_IRI: Expression for LAQRS IRI(expr) - * @RASQAL_EXPR_STRLANG: Expression for LAQRS STRLANG(expr, expr) - * @RASQAL_EXPR_STRDT: Expression for LAQRS STRDT(expr, expr) - * @RASQAL_EXPR_BNODE: Expression for LAQRS BNODE() and BNODE(expr) - * @RASQAL_EXPR_GROUP_CONCAT: Expression for LAQRS GROUP_CONCAT(arglist) aggregate function - * @RASQAL_EXPR_SAMPLE: Expression for LAQRS SAMPLE(expr) aggregate function - * @RASQAL_EXPR_IN: Expression for LAQRS expr IN ( list of expr ) - * @RASQAL_EXPR_NOT_IN: Expression for LAQRS expr NOT IN ( list of expr ) - * @RASQAL_EXPR_ISNUMERIC: Expression for SPARQL 1.1 isNUMERIC(expr) - * @RASQAL_EXPR_YEAR: Expression for SPARQL 1.1 YEAR(datetime) - * @RASQAL_EXPR_MONTH: Expression for SPARQL 1.1 MONTH(datetime) - * @RASQAL_EXPR_DAY: Expression for SPARQL 1.1 DAY(datetime) - * @RASQAL_EXPR_HOURS: Expression for SPARQL 1.1 HOURS(datetime) - * @RASQAL_EXPR_MINUTES: Expression for SPARQL 1.1 MINUTES(datetime) - * @RASQAL_EXPR_SECONDS: Expression for SPARQL 1.1 SECONDS(datetime) - * @RASQAL_EXPR_TIMEZONE: Expression for SPARQL 1.1 TIMEZONE(datetime) - * @RASQAL_EXPR_CURRENT_DATETIME: Expression for LAQRS CURRENT_DATETIME( void ) - * @RASQAL_EXPR_NOW: Expression for LAQRS NOW( void ) - * @RASQAL_EXPR_FROM_UNIXTIME: Expression for LAQRS FROM_UNIXTIME(int) - * @RASQAL_EXPR_TO_UNIXTIME: Expression for LAQRS TO_UNIXTIME(datetime) - * @RASQAL_EXPR_CONCAT: Expression for SPARQL 1.1 CONCAT(strings) - * @RASQAL_EXPR_STRLEN: Expression for SPARQL 1.1 STRLEN(str) - * @RASQAL_EXPR_SUBSTR: Expression for SPARQL 1.1 SUBSTR(str, start[,offset]) - * @RASQAL_EXPR_UCASE: Expression for SPARQL 1.1 UCASE(str) - * @RASQAL_EXPR_LCASE: Expression for SPARQL 1.1 LCASE(str) - * @RASQAL_EXPR_STRSTARTS: Expression for SPARQL 1.1 STRSTARTS(str, str) - * @RASQAL_EXPR_STRENDS: Expression for SPARQL 1.1 STRENDS(str, str) - * @RASQAL_EXPR_CONTAINS: Expression for SPARQL 1.1 CONTAINS(str, str) - * @RASQAL_EXPR_ENCODE_FOR_URI: Expression for SPARQL 1.1 ENCODE_FOR_URI(str) - * @RASQAL_EXPR_TZ: Expression for SPARQL 1.1 TZ() - * @RASQAL_EXPR_RAND: Expression for SPARQL 1.1 RAND() - * @RASQAL_EXPR_ABS: Expression for SPARQL 1.1 ABS() - * @RASQAL_EXPR_ROUND: Expression for SPARQL 1.1 ROUND() - * @RASQAL_EXPR_CEIL: Expression for SPARQL 1.1 CEIL() - * @RASQAL_EXPR_FLOOR: Expression for SPARQL 1.1 FLOOR() - * @RASQAL_EXPR_MD5: Expression for SPARQL 1.1 MD5() - * @RASQAL_EXPR_SHA1: Expression for SPARQL 1.1 SHA1() - * @RASQAL_EXPR_SHA224: Expression for SPARQL 1.1 SHA224() - * @RASQAL_EXPR_SHA256: Expression for SPARQL 1.1 SHA256() - * @RASQAL_EXPR_SHA384: Expression for SPARQL 1.1 SHA384() - * @RASQAL_EXPR_SHA512: Expression for SPARQL 1.1 SHA512() - * @RASQAL_EXPR_STRBEFORE: Expression for SPARQL 1.1 STRBEFORE() - * @RASQAL_EXPR_STRAFTER: Expression for SPARQL 1.1 STRAFTER() - * @RASQAL_EXPR_REPLACE: Expression for SPARQL 1.1 REPLACE() - * @RASQAL_EXPR_UUID: Expression for SPARQL 1.1 UUID() - * @RASQAL_EXPR_STRUUID: Expression for SPARQL 1.1 STRUUID() - * @RASQAL_EXPR_UNKNOWN: Internal - * @RASQAL_EXPR_LAST: Internal - * - * Rasqal expression operators. A mixture of unary, binary and - * tertiary operators (string matches). Also includes casting and - * two ordering operators from ORDER BY in SPARQL. - */ -typedef enum { - /* internal */ - RASQAL_EXPR_UNKNOWN, - RASQAL_EXPR_AND, - RASQAL_EXPR_OR, - RASQAL_EXPR_EQ, - RASQAL_EXPR_NEQ, - RASQAL_EXPR_LT, - RASQAL_EXPR_GT, - RASQAL_EXPR_LE, - RASQAL_EXPR_GE, - RASQAL_EXPR_UMINUS, - RASQAL_EXPR_PLUS, - RASQAL_EXPR_MINUS, - RASQAL_EXPR_STAR, - RASQAL_EXPR_SLASH, - RASQAL_EXPR_REM, - RASQAL_EXPR_STR_EQ, - RASQAL_EXPR_STR_NEQ, - RASQAL_EXPR_STR_MATCH, - RASQAL_EXPR_STR_NMATCH, - RASQAL_EXPR_TILDE, - RASQAL_EXPR_BANG, - RASQAL_EXPR_LITERAL, - RASQAL_EXPR_FUNCTION, - RASQAL_EXPR_BOUND, - RASQAL_EXPR_STR, - RASQAL_EXPR_LANG, - RASQAL_EXPR_DATATYPE, - RASQAL_EXPR_ISURI, - RASQAL_EXPR_ISBLANK, - RASQAL_EXPR_ISLITERAL, - RASQAL_EXPR_CAST, - RASQAL_EXPR_ORDER_COND_ASC, - RASQAL_EXPR_ORDER_COND_DESC, - RASQAL_EXPR_LANGMATCHES, - RASQAL_EXPR_REGEX, - RASQAL_EXPR_GROUP_COND_ASC, - RASQAL_EXPR_GROUP_COND_DESC, - RASQAL_EXPR_COUNT, - RASQAL_EXPR_VARSTAR, - RASQAL_EXPR_SAMETERM, - RASQAL_EXPR_SUM, - RASQAL_EXPR_AVG, - RASQAL_EXPR_MIN, - RASQAL_EXPR_MAX, - RASQAL_EXPR_COALESCE, - RASQAL_EXPR_IF, - RASQAL_EXPR_URI, - RASQAL_EXPR_IRI, - RASQAL_EXPR_STRLANG, - RASQAL_EXPR_STRDT, - RASQAL_EXPR_BNODE, - RASQAL_EXPR_GROUP_CONCAT, - RASQAL_EXPR_SAMPLE, - RASQAL_EXPR_IN, - RASQAL_EXPR_NOT_IN, - RASQAL_EXPR_ISNUMERIC, - RASQAL_EXPR_YEAR, - RASQAL_EXPR_MONTH, - RASQAL_EXPR_DAY, - RASQAL_EXPR_HOURS, - RASQAL_EXPR_MINUTES, - RASQAL_EXPR_SECONDS, - RASQAL_EXPR_TIMEZONE, - RASQAL_EXPR_CURRENT_DATETIME, - RASQAL_EXPR_NOW, - RASQAL_EXPR_FROM_UNIXTIME, - RASQAL_EXPR_TO_UNIXTIME, - RASQAL_EXPR_CONCAT, - RASQAL_EXPR_STRLEN, - RASQAL_EXPR_SUBSTR, - RASQAL_EXPR_UCASE, - RASQAL_EXPR_LCASE, - RASQAL_EXPR_STRSTARTS, - RASQAL_EXPR_STRENDS, - RASQAL_EXPR_CONTAINS, - RASQAL_EXPR_ENCODE_FOR_URI, - RASQAL_EXPR_TZ, - RASQAL_EXPR_RAND, - RASQAL_EXPR_ABS, - RASQAL_EXPR_ROUND, - RASQAL_EXPR_CEIL, - RASQAL_EXPR_FLOOR, - RASQAL_EXPR_MD5, - RASQAL_EXPR_SHA1, - RASQAL_EXPR_SHA224, - RASQAL_EXPR_SHA256, - RASQAL_EXPR_SHA384, - RASQAL_EXPR_SHA512, - RASQAL_EXPR_STRBEFORE, - RASQAL_EXPR_STRAFTER, - RASQAL_EXPR_REPLACE, - RASQAL_EXPR_UUID, - RASQAL_EXPR_STRUUID, - /* internal */ - RASQAL_EXPR_LAST = RASQAL_EXPR_STRUUID -} rasqal_op; - - -/** - * rasqal_expression_flags: - * @RASQAL_EXPR_FLAG_DISTINCT: Distinct - * @RASQAL_EXPR_FLAG_AGGREGATE: Aggregate function expression - * - * Flags for expressions. - */ -typedef enum { - RASQAL_EXPR_FLAG_DISTINCT = 1, - RASQAL_EXPR_FLAG_AGGREGATE = 2 -} rasqal_expression_flags; - - -/** - * rasqal_expression: - * @world: rasqal_world object - * @usage: reference count - 1 for itself - * @op: expression operation - * @arg1: first argument - * @arg2: second argument - * @arg3: third argument (for #RASQAL_EXPR_REGEX ) - * @literal: literal argument - * @value: UTF-8 value - * @name: name for extension function qname(args...) and cast-to-uri - * @args: args for extension function qname(args...), cast-to-uri and COALESCE - * @params: args for extension function parameters (SPARQL 1.1) (Rasqal 0.9.20+) - * @flags: bitflags from #rasqal_expression_flags for expressions (Rasqal 0.9.20+) - * - * Expression with arguments - * - */ -struct rasqal_expression_s { - rasqal_world* world; - - int usage; - - rasqal_op op; - - struct rasqal_expression_s* arg1; - struct rasqal_expression_s* arg2; - struct rasqal_expression_s* arg3; - rasqal_literal* literal; - unsigned char *value; - - raptor_uri* name; - raptor_sequence* args; - - raptor_sequence* params; - unsigned int flags; - struct rasqal_expression_s* arg4; -}; -typedef struct rasqal_expression_s rasqal_expression; - - -/** - * rasqal_triple: - * @subject: Triple subject. - * @predicate: Triple predicate. - * @object: Triple object. - * @origin: Triple origin. - * @flags: Or of enum #rasqal_triple_flags bits. - * - * A triple pattern or RDF triple. - * - * This is used as a triple pattern in queries and - * an RDF triple when generating RDF triples such as with SPARQL CONSTRUCT. - */ -typedef struct { - rasqal_literal* subject; - rasqal_literal* predicate; - rasqal_literal* object; - rasqal_literal* origin; - unsigned int flags; -} rasqal_triple; - - -/** - * rasqal_pattern_flags: - * @RASQAL_PATTERN_FLAGS_OPTIONAL: True when the graph pattern is an optional match. - * @RASQAL_PATTERN_FLAGS_LAST: Internal - * - * Flags for #rasqal_graph_pattern. - */ -typedef enum { - RASQAL_PATTERN_FLAGS_OPTIONAL = 1, - - RASQAL_PATTERN_FLAGS_LAST = RASQAL_PATTERN_FLAGS_OPTIONAL -} rasqal_pattern_flags; - - -/** - * rasqal_generate_bnodeid_handler: - * @world: world arg - * @user_data: user data given to - * @user_bnodeid: user blank node ID string passed in - * - * User handler used with rasqal_world_set_generate_bnodeid_handler() to set method for generating a blank node ID. - * - * Return value: blank node ID string or NULL on failure. - */ -typedef unsigned char* (*rasqal_generate_bnodeid_handler)(rasqal_world* world, void *user_data, unsigned char *user_bnodeid); - - -/** - * rasqal_query_verb: - * @RASQAL_QUERY_VERB_SELECT: SPARQL query select verb. - * @RASQAL_QUERY_VERB_CONSTRUCT: SPARQL query construct verb. - * @RASQAL_QUERY_VERB_DESCRIBE: SPARQL query describe verb. - * @RASQAL_QUERY_VERB_ASK: SPARQL query ask verb. - * @RASQAL_QUERY_VERB_DELETE: LAQRS query delete verb. - * @RASQAL_QUERY_VERB_INSERT: LAQRS query insert verb. - * @RASQAL_QUERY_VERB_UPDATE: SPARQL 1.1 (draft) update operation - * @RASQAL_QUERY_VERB_UNKNOWN: Internal - * @RASQAL_QUERY_VERB_LAST: Internal - * - * Query main operation verbs describing the major type of query - * being performed. - */ -typedef enum { - /* internal */ - RASQAL_QUERY_VERB_UNKNOWN = 0, - RASQAL_QUERY_VERB_SELECT = 1, - RASQAL_QUERY_VERB_CONSTRUCT = 2, - RASQAL_QUERY_VERB_DESCRIBE = 3, - RASQAL_QUERY_VERB_ASK = 4, - RASQAL_QUERY_VERB_DELETE = 5, - RASQAL_QUERY_VERB_INSERT = 6, - RASQAL_QUERY_VERB_UPDATE = 7, - - /* internal */ - RASQAL_QUERY_VERB_LAST = RASQAL_QUERY_VERB_UPDATE -} rasqal_query_verb; - - -/** - * rasqal_query_results_type: - * @RASQAL_QUERY_RESULTS_BINDINGS: variable binding - * @RASQAL_QUERY_RESULTS_BOOLEAN: a single boolean - * @RASQAL_QUERY_RESULTS_GRAPH: an RDF graph - * @RASQAL_QUERY_RESULTS_SYNTAX: a syntax - * @RASQAL_QUERY_RESULTS_UNKNOWN: unknown type - * - * Query result type. - */ - -typedef enum { - RASQAL_QUERY_RESULTS_BINDINGS, - RASQAL_QUERY_RESULTS_BOOLEAN, - RASQAL_QUERY_RESULTS_GRAPH, - RASQAL_QUERY_RESULTS_SYNTAX, - RASQAL_QUERY_RESULTS_UNKNOWN -} rasqal_query_results_type; - - -/** - * rasqal_update_type: - * @RASQAL_UPDATE_TYPE_CLEAR: Clear graph. - * @RASQAL_UPDATE_TYPE_CREATE: Create graph. - * @RASQAL_UPDATE_TYPE_DROP: Drop graph. - * @RASQAL_UPDATE_TYPE_LOAD: Load graph. - * @RASQAL_UPDATE_TYPE_UPDATE: Insert or Delete graph or triples. - * @RASQAL_UPDATE_TYPE_ADD: Add graph to another graph. - * @RASQAL_UPDATE_TYPE_MOVE: Move graph to another grpah. - * @RASQAL_UPDATE_TYPE_COPY: Copy graph to another graph. - * @RASQAL_UPDATE_TYPE_UNKNOWN: Internal - * @RASQAL_UPDATE_TYPE_LAST: Internal - * - * Update type being performed. - * - */ -typedef enum { - /* internal */ - RASQAL_UPDATE_TYPE_UNKNOWN = 0, - RASQAL_UPDATE_TYPE_CLEAR = 1, - RASQAL_UPDATE_TYPE_CREATE = 2, - RASQAL_UPDATE_TYPE_DROP = 3, - RASQAL_UPDATE_TYPE_LOAD = 4, - RASQAL_UPDATE_TYPE_UPDATE = 5, - RASQAL_UPDATE_TYPE_ADD = 6, - RASQAL_UPDATE_TYPE_MOVE = 7, - RASQAL_UPDATE_TYPE_COPY = 8, - - /* internal */ - RASQAL_UPDATE_TYPE_LAST = RASQAL_UPDATE_TYPE_COPY -} rasqal_update_type; - - -/** - * rasqal_update_flags: - * @RASQAL_UPDATE_FLAGS_SILENT: the update operation should be silent - * @RASQAL_UPDATE_FLAGS_DATA: the update operation is triple data not templates - * - * Bitflags for graph update operations - */ -typedef enum { - RASQAL_UPDATE_FLAGS_SILENT = 1, - RASQAL_UPDATE_FLAGS_DATA = 2 -} rasqal_update_flags; - - -/** - * rasqal_update_graph_applies: - * @RASQAL_UPDATE_GRAPH_ONE: the update operation applies to 1 graph - * @RASQAL_UPDATE_GRAPH_DEFAULT: the update operation applies to the default graph - * @RASQAL_UPDATE_GRAPH_NAMED: the update operation applies to all named graphs - * @RASQAL_UPDATE_GRAPH_ALL: the update operation applies ALL graphs - * - * The graph(s) that the update operation applies to. - */ -typedef enum { - RASQAL_UPDATE_GRAPH_ONE = 0, - RASQAL_UPDATE_GRAPH_DEFAULT = 1, - RASQAL_UPDATE_GRAPH_NAMED = 2, - RASQAL_UPDATE_GRAPH_ALL = 3 -} rasqal_update_graph_applies; - - -/** - * rasqal_update_operation: - * @type: type of update - * @graph_uri: optional graph URI (clear, drop, load, with ... delete, insert); source graph (add, move, copy) - * @document_uri: optional document URI (load); destination graph (add, move, copy) - * @insert_templates: optional sequence of #rasqal_triple to insert. Data triples if @flags is #RASQAL_UPDATE_FLAGS_DATA set, templates otherwise. - * @delete_templates: optional sequence of #rasqal_triple templates to delete - * @where: optional where template (insert/delete) - * @flags: update flags - bit-or of flags defined in #rasqal_update_flags - * @applies: the graph(s) that the update operation applies to, or @graph_uri if #RASQAL_UPDATE_GRAPH_ONE - * - * Update operation - changing the dataset - * - * For LOAD and CLEAR if @applies is set (not 0) then the operation - * applies to just those graph(), otherwise it applies to the @graph_uri. - * - * For ADD, MOVE and COPY the source graph is stored in @graph_uri - * field and the destination graph in the @document_uri field. The - * field names have no meaning in this case since both values are - * always present, always graphs and a NULL value signifies the - * default graph. - * - */ -typedef struct { - rasqal_update_type type; - - raptor_uri* graph_uri; - - raptor_uri* document_uri; - - raptor_sequence* insert_templates; - - raptor_sequence* delete_templates; - - rasqal_graph_pattern* where; - - int flags; - - rasqal_update_graph_applies applies; -} rasqal_update_operation; - - -/** - * rasqal_graph_pattern_operator: - * @RASQAL_GRAPH_PATTERN_OPERATOR_BASIC: Just triple patterns and constraints. - * @RASQAL_GRAPH_PATTERN_OPERATOR_OPTIONAL: Set of graph patterns (ANDed) and constraints. - * @RASQAL_GRAPH_PATTERN_OPERATOR_UNION: Set of graph patterns (UNIONed) and constraints. - * @RASQAL_GRAPH_PATTERN_OPERATOR_GROUP: Set of graph patterns (ANDed) and constraints. - * @RASQAL_GRAPH_PATTERN_OPERATOR_GRAPH: A graph term + a graph pattern and constraints. - * @RASQAL_GRAPH_PATTERN_OPERATOR_FILTER: A filter graph pattern with an expression - * @RASQAL_GRAPH_PATTERN_OPERATOR_LET: LET ?var := Expression (LAQRS) - * @RASQAL_GRAPH_PATTERN_OPERATOR_SELECT: SELECT graph pattern - * @RASQAL_GRAPH_PATTERN_OPERATOR_SERVICE: SERVICE graph pattern - * @RASQAL_GRAPH_PATTERN_OPERATOR_MINUS: MINUS graph pattern - * @RASQAL_GRAPH_PATTERN_OPERATOR_UNKNOWN: Internal. - * @RASQAL_GRAPH_PATTERN_OPERATOR_LAST: Internal. - * - * Graph pattern operators - */ -typedef enum { - RASQAL_GRAPH_PATTERN_OPERATOR_UNKNOWN = 0, - RASQAL_GRAPH_PATTERN_OPERATOR_BASIC = 1, - RASQAL_GRAPH_PATTERN_OPERATOR_OPTIONAL = 2, - RASQAL_GRAPH_PATTERN_OPERATOR_UNION = 3, - RASQAL_GRAPH_PATTERN_OPERATOR_GROUP = 4, - RASQAL_GRAPH_PATTERN_OPERATOR_GRAPH = 5, - RASQAL_GRAPH_PATTERN_OPERATOR_FILTER = 6, - RASQAL_GRAPH_PATTERN_OPERATOR_LET = 7, - RASQAL_GRAPH_PATTERN_OPERATOR_SELECT = 8, - RASQAL_GRAPH_PATTERN_OPERATOR_SERVICE = 9, - RASQAL_GRAPH_PATTERN_OPERATOR_MINUS = 10, - - RASQAL_GRAPH_PATTERN_OPERATOR_LAST = RASQAL_GRAPH_PATTERN_OPERATOR_MINUS -} rasqal_graph_pattern_operator; - - -/** - * rasqal_graph_pattern_visit_fn: - * @query: #rasqal_query containing the graph pattern - * @gp: current graph_pattern - * @user_data: user data passed in - * - * User function to visit an graph_pattern and operate on it with - * rasqal_graph_pattern_visit() or rasqal_query_graph_pattern_visit() - * - * Return value: non-0 to truncate the visit - */ -typedef int (*rasqal_graph_pattern_visit_fn)(rasqal_query* query, rasqal_graph_pattern* gp, void *user_data); - - -/* RASQAL API */ - -/* Public functions */ - -RASQAL_API -rasqal_world *rasqal_new_world(void); -RASQAL_API -int rasqal_world_open(rasqal_world* world); -RASQAL_API -void rasqal_free_world(rasqal_world* world); - -RASQAL_API -void rasqal_world_set_raptor(rasqal_world* world, raptor_world* raptor_world_ptr); -RASQAL_API -raptor_world *rasqal_world_get_raptor(rasqal_world* world); - -RASQAL_API -void rasqal_world_set_log_handler(rasqal_world* world, void *user_data, raptor_log_handler handler); - -RASQAL_API -int rasqal_world_set_default_generate_bnodeid_parameters(rasqal_world* world, char *prefix, int base); -RASQAL_API -int rasqal_world_set_generate_bnodeid_handler(rasqal_world* world, void *user_data, rasqal_generate_bnodeid_handler handler); - -RASQAL_API -int rasqal_world_set_warning_level(rasqal_world* world, unsigned int warning_level); - -RASQAL_API -const raptor_syntax_description* rasqal_world_get_query_results_format_description(rasqal_world* world, unsigned int counter); - -RASQAL_API -const char* rasqal_world_guess_query_results_format_name(rasqal_world* world, raptor_uri *uri, const char *mime_type, const unsigned char *buffer, size_t len, const unsigned char *identifier); - -/* Features */ -RASQAL_API -int rasqal_features_enumerate(rasqal_world* world, const rasqal_feature feature, const char **name, raptor_uri **uri, const char **label); -RASQAL_API -unsigned int rasqal_get_feature_count(void); -RASQAL_API -rasqal_feature rasqal_feature_from_uri(rasqal_world* world, raptor_uri *uri); -RASQAL_API -int rasqal_feature_value_type(const rasqal_feature feature); - - -RASQAL_API -const raptor_syntax_description* rasqal_world_get_query_language_description(rasqal_world* world, unsigned int counter); - -RASQAL_API RASQAL_DEPRECATED -int rasqal_languages_enumerate(rasqal_world* world, unsigned int counter, const char **name, const char **label, const unsigned char **uri_string); - -RASQAL_API -int rasqal_language_name_check(rasqal_world* world, const char *name); - - -/* Query class */ - -/* Create */ -RASQAL_API -rasqal_query* rasqal_new_query(rasqal_world* world, const char *name, const unsigned char *uri); - -/* Destroy */ -RASQAL_API -void rasqal_free_query(rasqal_query* query); - -/* Methods */ -RASQAL_API -const char* rasqal_query_get_name(rasqal_query* query); -RASQAL_API -const char* rasqal_query_get_label(rasqal_query* query); - - -RASQAL_API -int rasqal_query_set_feature(rasqal_query* query, rasqal_feature feature, int value); -RASQAL_API -int rasqal_query_set_feature_string(rasqal_query *query, rasqal_feature feature, const unsigned char *value); -RASQAL_API -int rasqal_query_get_feature(rasqal_query *query, rasqal_feature feature); -RASQAL_API -const unsigned char* rasqal_query_get_feature_string(rasqal_query *query, rasqal_feature feature); - -RASQAL_API -rasqal_query_verb rasqal_query_get_verb(rasqal_query* query); -RASQAL_API -int rasqal_query_get_wildcard(rasqal_query* query); -RASQAL_API -void rasqal_query_set_wildcard(rasqal_query* query, int wildcard); -RASQAL_API -int rasqal_query_get_distinct(rasqal_query* query); -RASQAL_API -void rasqal_query_set_distinct(rasqal_query* query, int distinct_mode); -RASQAL_API -int rasqal_query_get_explain(rasqal_query* query); -RASQAL_API -void rasqal_query_set_explain(rasqal_query* query, int is_explain); -RASQAL_API -int rasqal_query_get_limit(rasqal_query* query); -RASQAL_API -void rasqal_query_set_limit(rasqal_query* query, int limit); -RASQAL_API -int rasqal_query_get_offset(rasqal_query* query); -RASQAL_API -void rasqal_query_set_offset(rasqal_query* query, int offset); - -RASQAL_API -int rasqal_query_add_data_graph(rasqal_query* query, rasqal_data_graph* data_graph); -RASQAL_API -int rasqal_query_add_data_graphs(rasqal_query* query, raptor_sequence* data_graphs); - -RASQAL_API -raptor_sequence* rasqal_query_get_data_graph_sequence(rasqal_query* query); -RASQAL_API -rasqal_data_graph* rasqal_query_get_data_graph(rasqal_query* query, int idx); -RASQAL_API -int rasqal_query_dataset_contains_named_graph(rasqal_query* query, raptor_uri *graph_uri); - -RASQAL_API -int rasqal_query_add_variable(rasqal_query* query, rasqal_variable* var); -RASQAL_API -raptor_sequence* rasqal_query_get_bound_variable_sequence(rasqal_query* query); -RASQAL_API -raptor_sequence* rasqal_query_get_describe_sequence(rasqal_query* query); -RASQAL_API -raptor_sequence* rasqal_query_get_anonymous_variable_sequence(rasqal_query* query); -RASQAL_API -raptor_sequence* rasqal_query_get_all_variable_sequence(rasqal_query* query); -RASQAL_API -rasqal_variable* rasqal_query_get_variable(rasqal_query* query, int idx); -RASQAL_API -int rasqal_query_has_variable2(rasqal_query* query, rasqal_variable_type type, const unsigned char *name); -RASQAL_API RASQAL_DEPRECATED -int rasqal_query_has_variable(rasqal_query* query, const unsigned char *name); -RASQAL_API -int rasqal_query_set_variable2(rasqal_query* query, rasqal_variable_type type, const unsigned char *name, rasqal_literal* value); -RASQAL_API RASQAL_DEPRECATED -int rasqal_query_set_variable(rasqal_query* query, const unsigned char *name, rasqal_literal* value); -RASQAL_API -raptor_sequence* rasqal_query_get_triple_sequence(rasqal_query* query); -RASQAL_API -rasqal_triple* rasqal_query_get_triple(rasqal_query* query, int idx); -RASQAL_API -int rasqal_query_add_prefix(rasqal_query* query, rasqal_prefix* prefix); -RASQAL_API -raptor_sequence* rasqal_query_get_prefix_sequence(rasqal_query* query); -RASQAL_API -rasqal_prefix* rasqal_query_get_prefix(rasqal_query* query, int idx); -RASQAL_API -raptor_sequence* rasqal_query_get_order_conditions_sequence(rasqal_query* query); -RASQAL_API -rasqal_expression* rasqal_query_get_order_condition(rasqal_query* query, int idx); -RASQAL_API -raptor_sequence* rasqal_query_get_group_conditions_sequence(rasqal_query* query); -RASQAL_API -rasqal_expression* rasqal_query_get_group_condition(rasqal_query* query, int idx); -RASQAL_API -raptor_sequence* rasqal_query_get_having_conditions_sequence(rasqal_query* query); -RASQAL_API -rasqal_expression* rasqal_query_get_having_condition(rasqal_query* query, int idx); -RASQAL_API -raptor_sequence* rasqal_query_get_construct_triples_sequence(rasqal_query* query); -RASQAL_API -rasqal_triple* rasqal_query_get_construct_triple(rasqal_query* query, int idx); -RASQAL_API RASQAL_DEPRECATED -void rasqal_query_graph_pattern_visit(rasqal_query* query, rasqal_graph_pattern_visit_fn visit_fn, void* data); -RASQAL_API -int rasqal_query_graph_pattern_visit2(rasqal_query* query, rasqal_graph_pattern_visit_fn visit_fn, void* data); -RASQAL_API -int rasqal_query_write(raptor_iostream* iostr, rasqal_query* query, raptor_uri* format_uri, raptor_uri* base_uri); - -/* update */ -RASQAL_API -raptor_sequence* rasqal_query_get_update_operations_sequence(rasqal_query* query); -RASQAL_API -rasqal_update_operation* rasqal_query_get_update_operation(rasqal_query* query, int idx); - -/* results */ -int rasqal_query_set_store_results(rasqal_query* query, int store_results); - -/* graph patterns */ -RASQAL_API -rasqal_graph_pattern* rasqal_query_get_query_graph_pattern(rasqal_query* query); -RASQAL_API -raptor_sequence* rasqal_query_get_graph_pattern_sequence(rasqal_query* query); -RASQAL_API -rasqal_graph_pattern* rasqal_query_get_graph_pattern(rasqal_query* query, int idx); -RASQAL_API -int rasqal_graph_pattern_add_sub_graph_pattern(rasqal_graph_pattern* graph_pattern, rasqal_graph_pattern* sub_graph_pattern); -RASQAL_API -rasqal_triple* rasqal_graph_pattern_get_triple(rasqal_graph_pattern* graph_pattern, int idx); -RASQAL_API -raptor_sequence* rasqal_graph_pattern_get_sub_graph_pattern_sequence(rasqal_graph_pattern* graph_pattern); -RASQAL_API -rasqal_graph_pattern* rasqal_graph_pattern_get_sub_graph_pattern(rasqal_graph_pattern* graph_pattern, int idx); -RASQAL_API -rasqal_graph_pattern_operator rasqal_graph_pattern_get_operator(rasqal_graph_pattern* graph_pattern); -RASQAL_API -const char* rasqal_graph_pattern_operator_as_string(rasqal_graph_pattern_operator op); -RASQAL_API -int rasqal_graph_pattern_print(rasqal_graph_pattern* gp, FILE* fh); -RASQAL_API -int rasqal_graph_pattern_set_filter_expression(rasqal_graph_pattern* gp, rasqal_expression* expr); -RASQAL_API -rasqal_expression* rasqal_graph_pattern_get_filter_expression(rasqal_graph_pattern* gp); -RASQAL_API -int rasqal_graph_pattern_visit(rasqal_query* query, rasqal_graph_pattern *gp, rasqal_graph_pattern_visit_fn fn, void* user_data); -RASQAL_API -int rasqal_graph_pattern_get_index(rasqal_graph_pattern* gp); -RASQAL_API -int rasqal_graph_pattern_variable_bound_in(rasqal_graph_pattern *gp, rasqal_variable *v); -RASQAL_API -rasqal_literal* rasqal_graph_pattern_get_origin(rasqal_graph_pattern* graph_pattern); -RASQAL_API -rasqal_variable* rasqal_graph_pattern_get_variable(rasqal_graph_pattern* graph_pattern); -RASQAL_API -rasqal_literal* rasqal_graph_pattern_get_service(rasqal_graph_pattern* graph_pattern); -RASQAL_API -raptor_sequence* rasqal_graph_pattern_get_flattened_triples(rasqal_query* query, rasqal_graph_pattern* graph_pattern); - -/* Utility methods */ -RASQAL_API -const char* rasqal_query_verb_as_string(rasqal_query_verb verb); -RASQAL_API -int rasqal_query_print(rasqal_query* query, FILE* fh); - -/* Query */ -RASQAL_API -int rasqal_query_prepare(rasqal_query* query, const unsigned char *query_string, raptor_uri *base_uri); -RASQAL_API -rasqal_query_results* rasqal_query_execute(rasqal_query* query); - -RASQAL_API -void* rasqal_query_get_user_data(rasqal_query* query); -RASQAL_API -void rasqal_query_set_user_data(rasqal_query* query, void *user_data); - -RASQAL_API -raptor_sequence* rasqal_query_get_bindings_variables_sequence(rasqal_query* query); -RASQAL_API -rasqal_variable* rasqal_query_get_bindings_variable(rasqal_query* query, int idx); -RASQAL_API -raptor_sequence* rasqal_query_get_bindings_rows_sequence(rasqal_query* query); -RASQAL_API -rasqal_row* rasqal_query_get_bindings_row(rasqal_query* query, int idx); -RASQAL_API -rasqal_query_results_type rasqal_query_get_result_type(rasqal_query* query); - -/* query results */ -RASQAL_API -rasqal_query_results* rasqal_new_query_results(rasqal_world* world, rasqal_query* query, rasqal_query_results_type type, rasqal_variables_table* vars_table); -RASQAL_API -void rasqal_free_query_results(rasqal_query_results *query_results); - -RASQAL_API -rasqal_query* rasqal_query_results_get_query(rasqal_query_results* query_results); - -/* Bindings result format */ -RASQAL_API -rasqal_query_results_type rasqal_query_results_get_type(rasqal_query_results* query_results); -RASQAL_API -int rasqal_query_results_is_bindings(rasqal_query_results *query_results); -RASQAL_API -int rasqal_query_results_get_count(rasqal_query_results *query_results); -RASQAL_API -int rasqal_query_results_next(rasqal_query_results *query_results); -RASQAL_API -int rasqal_query_results_finished(rasqal_query_results *query_results); -RASQAL_API -int rasqal_query_results_get_bindings(rasqal_query_results *query_results, const unsigned char ***names, rasqal_literal ***values); -RASQAL_API -rasqal_literal* rasqal_query_results_get_binding_value(rasqal_query_results *query_results, int offset); -RASQAL_API -const unsigned char* rasqal_query_results_get_binding_name(rasqal_query_results *query_results, int offset); -RASQAL_API -rasqal_literal* rasqal_query_results_get_binding_value_by_name(rasqal_query_results *query_results, const unsigned char *name); -RASQAL_API -int rasqal_query_results_get_bindings_count(rasqal_query_results *query_results); -RASQAL_API -int rasqal_query_results_add_row(rasqal_query_results* query_results, rasqal_row* row); -RASQAL_API -rasqal_row* rasqal_query_results_get_row_by_offset(rasqal_query_results* query_results, int result_offset); - -/* Boolean result format */ -RASQAL_API -int rasqal_query_results_is_boolean(rasqal_query_results *query_results); -RASQAL_API -int rasqal_query_results_get_boolean(rasqal_query_results *query_results); - -/* Graph result format */ -RASQAL_API -int rasqal_query_results_is_graph(rasqal_query_results *query_results); -RASQAL_API -raptor_statement* rasqal_query_results_get_triple(rasqal_query_results *query_results); -RASQAL_API -int rasqal_query_results_next_triple(rasqal_query_results *query_results); - -/* Syntax result format */ -RASQAL_API -int rasqal_query_results_is_syntax(rasqal_query_results* query_results); - -RASQAL_API -int rasqal_query_results_write(raptor_iostream *iostr, rasqal_query_results *results, const char* name, const char* mime_type, raptor_uri *format_uri, raptor_uri *base_uri); -RASQAL_API -int rasqal_query_results_read(raptor_iostream *iostr, rasqal_query_results *results, const char* name, const char* mime_type, raptor_uri *format_uri, raptor_uri *base_uri); - -/* One more time */ -RASQAL_API -int rasqal_query_results_rewind(rasqal_query_results* query_results); - - -/** - * rasqal_query_results_format_flags: - * @RASQAL_QUERY_RESULTS_FORMAT_FLAG_READER: format can be read. - * @RASQAL_QUERY_RESULTS_FORMAT_FLAG_WRITER: format can be written. - * - * Bitflags for rasqal_query_results_formats_check() to find formats with features. - */ -typedef enum { - RASQAL_QUERY_RESULTS_FORMAT_FLAG_READER = 1, - RASQAL_QUERY_RESULTS_FORMAT_FLAG_WRITER = 2 -} rasqal_query_results_format_flags; - - -RASQAL_API -int rasqal_query_results_formats_check(rasqal_world* world, const char *name, raptor_uri* uri, const char *mime_type, int flags); -RASQAL_API -rasqal_query_results_formatter* rasqal_new_query_results_formatter(rasqal_world* world, const char *name, const char *mime_type, raptor_uri* format_uri); -RASQAL_API -rasqal_query_results_formatter* rasqal_new_query_results_formatter_for_content(rasqal_world* world, raptor_uri *uri, const char *mime_type, const unsigned char *buffer, size_t len, const unsigned char *identifier); -RASQAL_API -void rasqal_free_query_results_formatter(rasqal_query_results_formatter* formatter); -RASQAL_API -int rasqal_query_results_formatter_write(raptor_iostream *iostr, rasqal_query_results_formatter* formatter, rasqal_query_results* results, raptor_uri *base_uri); -RASQAL_API -int rasqal_query_results_formatter_read(rasqal_world* world, raptor_iostream *iostr, rasqal_query_results_formatter* formatter, rasqal_query_results* results, raptor_uri *base_uri); - -RASQAL_API -int rasqal_query_iostream_write_escaped_counted_string(rasqal_query* query, raptor_iostream* iostr, const unsigned char* string, size_t len); -RASQAL_API -unsigned char* rasqal_query_escape_counted_string(rasqal_query* query, const unsigned char *string, size_t len, size_t* output_len_p); - - -/* Data graph class */ -RASQAL_API -rasqal_data_graph* rasqal_new_data_graph_from_uri(rasqal_world* world, raptor_uri* uri, raptor_uri* name_uri, int flags, const char* format_type, const char* format_name, raptor_uri* format_uri); -RASQAL_API -rasqal_data_graph* rasqal_new_data_graph_from_iostream(rasqal_world* world, raptor_iostream* iostr, raptor_uri* base_uri, raptor_uri* name_uri, unsigned int flags, const char* format_type, const char* format_name, raptor_uri* format_uri); -RASQAL_API -rasqal_data_graph* rasqal_new_data_graph_from_data_graph(rasqal_data_graph* dg); -RASQAL_API -void rasqal_free_data_graph(rasqal_data_graph* dg); -RASQAL_API -int rasqal_data_graph_print(rasqal_data_graph* dg, FILE* fh); - - -/** - * rasqal_compare_flags: - * @RASQAL_COMPARE_NOCASE: String comparisons are case independent. - * @RASQAL_COMPARE_XQUERY: XQuery comparsion rules apply. - * @RASQAL_COMPARE_RDF: RDF Term comparsion rules apply. - * @RASQAL_COMPARE_URI: Allow comparison of URIs and allow strings to have a boolean value (unused; was for RDQL) - * @RASQAL_COMPARE_SAMETERM: SPARQL sameTerm() builtin rules apply. - * - * Flags for rasqal_expression_evaluate(), rasqal_literal_compare() or - * rasqal_literal_as_string_flags() - */ -typedef enum { - RASQAL_COMPARE_NOCASE = 1, - RASQAL_COMPARE_XQUERY = 2, - RASQAL_COMPARE_RDF = 4, - RASQAL_COMPARE_URI = 8, - RASQAL_COMPARE_SAMETERM = 16 -} rasqal_compare_flags; - - -/** - * rasqal_random: - * - * Internal - */ -typedef struct rasqal_random_s rasqal_random; - - -/** - * rasqal_evaluation_context: - * @world: rasqal world - * @base_uri: base URI of expression context (or NULL) - * @locator: locator or NULL - * @flags: expression comparison flags - * @seed: random seeed - * @random: random number generator object - * - * A context for evaluating an expression such as with - * rasqal_expression_evaluate2() - */ -typedef struct { - rasqal_world *world; - raptor_uri* base_uri; - raptor_locator *locator; - int flags; - unsigned int seed; - rasqal_random* random; -} rasqal_evaluation_context; - - -/* Expression class */ -RASQAL_API -rasqal_expression* rasqal_new_0op_expression(rasqal_world* world, rasqal_op op); -RASQAL_API -rasqal_expression* rasqal_new_1op_expression(rasqal_world* world, rasqal_op op, rasqal_expression* arg); -RASQAL_API -rasqal_expression* rasqal_new_2op_expression(rasqal_world* world, rasqal_op op, rasqal_expression* arg1, rasqal_expression* arg2); -RASQAL_API -rasqal_expression* rasqal_new_3op_expression(rasqal_world* world, rasqal_op op, rasqal_expression* arg1, rasqal_expression* arg2, rasqal_expression* arg3); -RASQAL_API -rasqal_expression* rasqal_new_4op_expression(rasqal_world* world, rasqal_op op, rasqal_expression* arg1, rasqal_expression* arg2, rasqal_expression* arg3, rasqal_expression* arg4); -RASQAL_API -rasqal_expression* rasqal_new_string_op_expression(rasqal_world* world, rasqal_op op, rasqal_expression* arg1, rasqal_literal* literal); -RASQAL_API -rasqal_expression* rasqal_new_literal_expression(rasqal_world* world, rasqal_literal* literal); -RASQAL_API -rasqal_expression* rasqal_new_function_expression(rasqal_world* world, raptor_uri* name, raptor_sequence* args, raptor_sequence* params, unsigned int flags); -RASQAL_API -rasqal_expression* rasqal_new_aggregate_function_expression(rasqal_world* world, rasqal_op op, rasqal_expression* arg1, raptor_sequence* params, unsigned int flags); -RASQAL_API -rasqal_expression* rasqal_new_cast_expression(rasqal_world* world, raptor_uri* name, rasqal_expression *value); -RASQAL_API -rasqal_expression* rasqal_new_expr_seq_expression(rasqal_world* world, rasqal_op op, raptor_sequence* args); -RASQAL_API -rasqal_expression* rasqal_new_set_expression(rasqal_world* world, rasqal_op op, rasqal_expression* arg1, raptor_sequence* args); -RASQAL_API -rasqal_expression* rasqal_new_group_concat_expression(rasqal_world* world, int flags, raptor_sequence* args, rasqal_literal* separator); -RASQAL_API -rasqal_expression* rasqal_new_expression_from_expression(rasqal_expression* e); - -RASQAL_API -void rasqal_free_expression(rasqal_expression* e); -RASQAL_API -void rasqal_expression_print_op(rasqal_expression* e, FILE* fh); -RASQAL_API -int rasqal_expression_print(rasqal_expression* e, FILE* fh); -RASQAL_API RASQAL_DEPRECATED -rasqal_literal* rasqal_expression_evaluate(rasqal_world *world, raptor_locator *locator, rasqal_expression* e, int flags); -RASQAL_API -rasqal_literal* rasqal_expression_evaluate2(rasqal_expression *e, rasqal_evaluation_context* eval_context, int *error_p); -RASQAL_API -const char* rasqal_expression_op_label(rasqal_op op); -RASQAL_API -int rasqal_expression_compare(rasqal_expression* e1, rasqal_expression* e2, int flags, int* error_p); - -/** - * rasqal_expression_visit_fn: - * @user_data: user data passed in with rasqal_expression_visit() - * @e: current expression - * - * User function to visit an expression and operate on it with - * rasqal_expression_visit() - * - * Return value: non-0 to truncate the visit - */ -typedef int (*rasqal_expression_visit_fn)(void *user_data, rasqal_expression *e); -RASQAL_API -int rasqal_expression_visit(rasqal_expression* e, rasqal_expression_visit_fn fn, void *user_data); - -RASQAL_API -rasqal_evaluation_context* rasqal_new_evaluation_context(rasqal_world* world, raptor_locator* locator, int flags); -RASQAL_API -void rasqal_free_evaluation_context(rasqal_evaluation_context* eval_context); -RASQAL_API -int rasqal_evaluation_context_set_base_uri(rasqal_evaluation_context* eval_context, raptor_uri *base_uri); -RASQAL_API -int rasqal_evaluation_context_set_rand_seed(rasqal_evaluation_context* eval_context, unsigned int seed); - - -/* Literal class */ -RASQAL_API -rasqal_literal* rasqal_new_integer_literal(rasqal_world* world, rasqal_literal_type type, int integer); -RASQAL_API -rasqal_literal* rasqal_new_numeric_literal_from_long(rasqal_world* world, rasqal_literal_type type, long value); -RASQAL_API -rasqal_literal* rasqal_new_typed_literal(rasqal_world* world, rasqal_literal_type type, const unsigned char* string); -RASQAL_API -rasqal_literal* rasqal_new_double_literal(rasqal_world* world, double d); -RASQAL_API -rasqal_literal* rasqal_new_floating_literal(rasqal_world *world, rasqal_literal_type type, double d); -RASQAL_API RASQAL_DEPRECATED -rasqal_literal* rasqal_new_float_literal(rasqal_world* world, float f); -RASQAL_API -rasqal_literal* rasqal_new_uri_literal(rasqal_world* world, raptor_uri* uri); -RASQAL_API -rasqal_literal* rasqal_new_pattern_literal(rasqal_world* world, const unsigned char *pattern, const char *flags); -RASQAL_API -rasqal_literal* rasqal_new_string_literal(rasqal_world* world, const unsigned char *string, const char *language, raptor_uri *datatype, const unsigned char *datatype_qname); -RASQAL_API -rasqal_literal* rasqal_new_simple_literal(rasqal_world* world, rasqal_literal_type type, const unsigned char *string); -RASQAL_API -rasqal_literal* rasqal_new_boolean_literal(rasqal_world* world, int value); -RASQAL_API -rasqal_literal* rasqal_new_variable_literal(rasqal_world* world, rasqal_variable *variable); -RASQAL_API -rasqal_literal* rasqal_new_decimal_literal(rasqal_world* world, const unsigned char *string); -RASQAL_API -rasqal_literal* rasqal_new_decimal_literal_from_decimal(rasqal_world* world, const unsigned char *string, rasqal_xsd_decimal* decimal); -RASQAL_API -rasqal_literal* rasqal_new_datetime_literal_from_datetime(rasqal_world* world, rasqal_xsd_datetime* dt); - - -RASQAL_API -rasqal_literal* rasqal_new_literal_from_literal(rasqal_literal* l); -RASQAL_API -void rasqal_free_literal(rasqal_literal* l); -RASQAL_API -int rasqal_literal_print(rasqal_literal* l, FILE* fh); -RASQAL_API -const char* rasqal_literal_type_label(rasqal_literal_type type); -RASQAL_API -void rasqal_literal_print_type(rasqal_literal* l, FILE* fh); -RASQAL_API -rasqal_variable* rasqal_literal_as_variable(rasqal_literal* l); -RASQAL_API -const unsigned char* rasqal_literal_as_counted_string(rasqal_literal* l, size_t *len_p, int flags, int *error_p); -RASQAL_API -const unsigned char* rasqal_literal_as_string(rasqal_literal* l); -RASQAL_API -const unsigned char* rasqal_literal_as_string_flags(rasqal_literal* l, int flags, int *error_p); -RASQAL_API -rasqal_literal* rasqal_literal_as_node(rasqal_literal* l); -RASQAL_API -raptor_uri* rasqal_literal_datatype(rasqal_literal* l); -RASQAL_API -rasqal_literal* rasqal_literal_value(rasqal_literal* l); - -RASQAL_API -int rasqal_literal_compare(rasqal_literal* l1, rasqal_literal* l2, int flags, int *error_p); -RASQAL_API -int rasqal_literal_equals(rasqal_literal* l1, rasqal_literal* l2); -RASQAL_API -int rasqal_literal_same_term(rasqal_literal* l1, rasqal_literal* l2); -RASQAL_API -rasqal_literal_type rasqal_literal_get_rdf_term_type(rasqal_literal* l); -RASQAL_API -int rasqal_literal_is_rdf_literal(rasqal_literal* l); - - -RASQAL_API -rasqal_prefix* rasqal_new_prefix(rasqal_world* world, const unsigned char* prefix, raptor_uri* uri); -RASQAL_API -void rasqal_free_prefix(rasqal_prefix* p); -RASQAL_API -int rasqal_prefix_print(rasqal_prefix* p, FILE* fh); - - -/* Row class */ -RASQAL_API -rasqal_row* rasqal_new_row_for_size(rasqal_world* world, int size); -RASQAL_API -void rasqal_free_row(rasqal_row* row); -RASQAL_API -int rasqal_row_set_value_at(rasqal_row* row, int offset, rasqal_literal* value); - - -/* Triple class */ -RASQAL_API -rasqal_triple* rasqal_new_triple(rasqal_literal* subject, rasqal_literal* predicate, rasqal_literal* object); -RASQAL_API -rasqal_triple* rasqal_new_triple_from_triple(rasqal_triple* t); -RASQAL_API -void rasqal_free_triple(rasqal_triple* t); -RASQAL_API -int rasqal_triple_print(rasqal_triple* t, FILE* fh); -RASQAL_API -void rasqal_triple_set_origin(rasqal_triple* t, rasqal_literal *l); -RASQAL_API -rasqal_literal* rasqal_triple_get_origin(rasqal_triple* t); - -/* Variable class */ -RASQAL_API -rasqal_variable* rasqal_new_variable_from_variable(rasqal_variable* v); -RASQAL_API -void rasqal_free_variable(rasqal_variable* v); -RASQAL_API -int rasqal_variable_print(rasqal_variable* v, FILE* fh); -RASQAL_API -void rasqal_variable_set_value(rasqal_variable* v, rasqal_literal* l); - - -/* Variables Table */ -RASQAL_API -rasqal_variables_table* rasqal_new_variables_table(rasqal_world* world); -RASQAL_API -void rasqal_free_variables_table(rasqal_variables_table* vt); -RASQAL_API -rasqal_variable* rasqal_variables_table_add(rasqal_variables_table* vt, rasqal_variable_type type, const unsigned char *name, rasqal_literal *value); -RASQAL_API -int rasqal_variables_table_add_variable(rasqal_variables_table* vt, rasqal_variable* variable); -RASQAL_API -rasqal_variable* rasqal_variables_table_get_by_name(rasqal_variables_table* vt, rasqal_variable_type type, const unsigned char *name); -RASQAL_API -int rasqal_variables_table_contains(rasqal_variables_table* vt, rasqal_variable_type type, const unsigned char *name); - -/* memory functions */ -RASQAL_API -void rasqal_free_memory(void *ptr); -RASQAL_API -void* rasqal_alloc_memory(size_t size); -RASQAL_API -void* rasqal_calloc_memory(size_t nmemb, size_t size); - - -/* decimal functions */ -RASQAL_API -rasqal_xsd_decimal* rasqal_new_xsd_decimal(rasqal_world* world); -RASQAL_API -void rasqal_free_xsd_decimal(rasqal_xsd_decimal* dec); -RASQAL_API -int rasqal_xsd_decimal_set_string(rasqal_xsd_decimal* dec, const char* string); -RASQAL_API -double rasqal_xsd_decimal_get_double(rasqal_xsd_decimal* dec); -RASQAL_API -long rasqal_xsd_decimal_get_long(rasqal_xsd_decimal* dec, int* error_p); -RASQAL_API -char* rasqal_xsd_decimal_as_string(rasqal_xsd_decimal* dec); -RASQAL_API -char* rasqal_xsd_decimal_as_counted_string(rasqal_xsd_decimal* dec, size_t* len_p); -RASQAL_API -int rasqal_xsd_decimal_set_long(rasqal_xsd_decimal* dec, long l); -RASQAL_API -int rasqal_xsd_decimal_set_double(rasqal_xsd_decimal* dec, double d); -RASQAL_API -int rasqal_xsd_decimal_print(rasqal_xsd_decimal* dec, FILE* stream); -RASQAL_API -int rasqal_xsd_decimal_add(rasqal_xsd_decimal* result, rasqal_xsd_decimal* a, rasqal_xsd_decimal* b); -RASQAL_API -int rasqal_xsd_decimal_subtract(rasqal_xsd_decimal* result, rasqal_xsd_decimal* a, rasqal_xsd_decimal* b); -RASQAL_API -int rasqal_xsd_decimal_multiply(rasqal_xsd_decimal* result, rasqal_xsd_decimal* a, rasqal_xsd_decimal* b); -RASQAL_API -int rasqal_xsd_decimal_divide(rasqal_xsd_decimal* result, rasqal_xsd_decimal* a, rasqal_xsd_decimal* b); -RASQAL_API -int rasqal_xsd_decimal_negate(rasqal_xsd_decimal* result, rasqal_xsd_decimal* a); -RASQAL_API -int rasqal_xsd_decimal_compare(rasqal_xsd_decimal* a, rasqal_xsd_decimal* b); -RASQAL_API -int rasqal_xsd_decimal_equals(rasqal_xsd_decimal* a, rasqal_xsd_decimal* b); -RASQAL_API -int rasqal_xsd_decimal_is_zero(rasqal_xsd_decimal* d); -RASQAL_API -int rasqal_xsd_decimal_abs(rasqal_xsd_decimal* result, rasqal_xsd_decimal* a); -RASQAL_API -int rasqal_xsd_decimal_round(rasqal_xsd_decimal* result, rasqal_xsd_decimal* a); -RASQAL_API -int rasqal_xsd_decimal_ceil(rasqal_xsd_decimal* result, rasqal_xsd_decimal* a); -RASQAL_API -int rasqal_xsd_decimal_floor(rasqal_xsd_decimal* result, rasqal_xsd_decimal* a); - - -/* date functions */ -RASQAL_API -rasqal_xsd_date* rasqal_new_xsd_date(rasqal_world* world, const char *date_string); -RASQAL_API -void rasqal_free_xsd_date(rasqal_xsd_date* d); -RASQAL_API -char* rasqal_xsd_date_to_counted_string(const rasqal_xsd_date *date, size_t *len_p); -RASQAL_API -char* rasqal_xsd_date_to_string(const rasqal_xsd_date *d); -RASQAL_API -int rasqal_xsd_date_equals(const rasqal_xsd_date *d1, const rasqal_xsd_date *d2, int *incomparible_p); -RASQAL_API -int rasqal_xsd_date_compare(const rasqal_xsd_date *d1, const rasqal_xsd_date *d2, int *incomparible_p); - -/* datetime functions */ -RASQAL_API -rasqal_xsd_datetime* rasqal_new_xsd_datetime(rasqal_world* world, const char *datetime_string); -RASQAL_API -rasqal_xsd_datetime* rasqal_new_xsd_datetime_from_unixtime(rasqal_world* world, time_t secs); -RASQAL_API -rasqal_xsd_datetime* rasqal_new_xsd_datetime_from_timeval(rasqal_world* world, struct timeval *tv); -RASQAL_API -rasqal_xsd_datetime* rasqal_new_xsd_datetime_from_xsd_date(rasqal_world* world, rasqal_xsd_date *date); -RASQAL_API -void rasqal_free_xsd_datetime(rasqal_xsd_datetime* dt); -RASQAL_API -char* rasqal_xsd_datetime_to_counted_string(const rasqal_xsd_datetime *dt, size_t *len_p); -RASQAL_API -char* rasqal_xsd_datetime_to_string(const rasqal_xsd_datetime *dt); -RASQAL_API -int rasqal_xsd_datetime_equals2(const rasqal_xsd_datetime *dt1, const rasqal_xsd_datetime *dt2, int *incomparible_p); -RASQAL_API RASQAL_DEPRECATED -int rasqal_xsd_datetime_equals(const rasqal_xsd_datetime *dt1, const rasqal_xsd_datetime *dt2); -RASQAL_API -int rasqal_xsd_datetime_compare2(const rasqal_xsd_datetime *dt1, const rasqal_xsd_datetime *dt2, int *incomparible_p); -RASQAL_API RASQAL_DEPRECATED -int rasqal_xsd_datetime_compare(const rasqal_xsd_datetime *dt1, const rasqal_xsd_datetime *dt2); -RASQAL_API -rasqal_xsd_decimal* rasqal_xsd_datetime_get_seconds_as_decimal(rasqal_world* world, rasqal_xsd_datetime* dt); -RASQAL_API -int rasqal_xsd_datetime_set_from_timeval(rasqal_xsd_datetime *dt, struct timeval *tv); -RASQAL_API -int rasqal_xsd_datetime_set_from_unixtime(rasqal_xsd_datetime* dt, time_t clock); -RASQAL_API -time_t rasqal_xsd_datetime_get_as_unixtime(rasqal_xsd_datetime* dt); -RASQAL_API -struct timeval* rasqal_xsd_datetime_get_as_timeval(rasqal_xsd_datetime *dt); -RASQAL_API -char* rasqal_xsd_datetime_get_timezone_as_counted_string(rasqal_xsd_datetime *dt, size_t *len_p); -RASQAL_API -char* rasqal_xsd_datetime_get_tz_as_counted_string(rasqal_xsd_datetime* dt, size_t *len_p); - - -/* regex utilities */ -RASQAL_API -char* rasqal_regex_replace(rasqal_world* world, raptor_locator* locator, const char* pattern, const char* regex_flags, const char* subject, size_t subject_len, const char* replace, size_t replace_len, size_t* result_len_p); - - -/** - * rasqal_service: - * - * Rasqal SPARQL Protocol Service - */ -typedef struct rasqal_service_s rasqal_service; - -RASQAL_API -rasqal_service* rasqal_new_service(rasqal_world* world, raptor_uri* service_uri, const unsigned char* query_string, raptor_sequence* data_graphs); -RASQAL_API -void rasqal_free_service(rasqal_service* svc); -RASQAL_API -rasqal_query_results* rasqal_service_execute(rasqal_service* svc); -RASQAL_API -int rasqal_service_set_www(rasqal_service* svc, raptor_www* www); -RASQAL_API -int rasqal_service_set_format(rasqal_service* svc, const char *format); - - - -/** - * rasqal_triple_parts: - * @RASQAL_TRIPLE_NONE: no parts - * @RASQAL_TRIPLE_SUBJECT: Subject present in a triple. - * @RASQAL_TRIPLE_PREDICATE: Predicate present in a triple. - * @RASQAL_TRIPLE_OBJECT: Object present in a triple. - * @RASQAL_TRIPLE_ORIGIN: Origin/graph present in a triple. - * @RASQAL_TRIPLE_GRAPH: Alias for RASQAL_TRIPLE_ORIGIN - * @RASQAL_TRIPLE_SPO: Subject, Predicate and Object present in a triple. - * @RASQAL_TRIPLE_SPOG: Subject, Predicate, Object, Graph present in a triple. - * - * Flags for parts of a triple. - */ -typedef enum { - RASQAL_TRIPLE_NONE = 0, - RASQAL_TRIPLE_SUBJECT = 1, - RASQAL_TRIPLE_PREDICATE= 2, - RASQAL_TRIPLE_OBJECT = 4, - RASQAL_TRIPLE_ORIGIN = 8, - RASQAL_TRIPLE_GRAPH = RASQAL_TRIPLE_ORIGIN, - RASQAL_TRIPLE_SPO = RASQAL_TRIPLE_SUBJECT | RASQAL_TRIPLE_PREDICATE | RASQAL_TRIPLE_OBJECT, - RASQAL_TRIPLE_SPOG = RASQAL_TRIPLE_SPO | RASQAL_TRIPLE_GRAPH -} rasqal_triple_parts; - - - -/** - * rasqal_triples_match: - * @world: rasqal_world object - * @user_data: User data pointer for factory methods. - * @bind_match: The [4]array (s,p,o,origin) bindings against the current triple match only touching triple parts given. Returns parts that were bound or 0 on failure. - * @next_match: Move to next match. - * @is_end: Check for end of triple match - return non-0 if is end. - * @finish: Finish triples match and destroy any allocated memory. - * @is_exact: non-0 if triple to match is all literal constants - * @finished: >0 if the match has finished - * - * Triples match structure as initialised by #rasqal_triples_source - * method init_triples_match. - */ -struct rasqal_triples_match_s { - rasqal_world *world; - - void *user_data; - - rasqal_triple_parts (*bind_match)(struct rasqal_triples_match_s* rtm, void *user_data, rasqal_variable *bindings[4], rasqal_triple_parts parts); - - void (*next_match)(struct rasqal_triples_match_s* rtm, void *user_data); - - int (*is_end)(struct rasqal_triples_match_s* rtm, void *user_data); - - void (*finish)(struct rasqal_triples_match_s* rtm, void *user_data); - - int is_exact; - - int finished; -}; -typedef struct rasqal_triples_match_s rasqal_triples_match; - - -/** - * rasqal_triple_meta: - * @bindings: Variable bindings for this triple+origin to set. - * @triples_match: The matcher that is setting these bindings. - * @context: Context data used by the matcher. - * @parts: Bitmask of #rasqal_triple_parts flags describing the parts of the triple pattern that will bind to variables. There may also be variables mentioned that are bound in other triple patterns even if @parts is 0. - * @is_exact: unused - * @executed: unused - * - * Metadata for triple pattern matching for one triple pattern. - */ -typedef struct { - /* triple (subject, predicate, object) and origin */ - rasqal_variable* bindings[4]; - - rasqal_triples_match *triples_match; - - void *context; - - rasqal_triple_parts parts; - - int is_exact; - - int executed; -} rasqal_triple_meta; - - -/** - * RASQAL_TRIPLES_SOURCE_MIN_VERSION: - * - * Lowest accepted @rasqal_triples_source API version - */ -#define RASQAL_TRIPLES_SOURCE_MIN_VERSION 1 - -/** - * RASQAL_TRIPLES_SOURCE_MAX_VERSION: - * - * Highest accepted @rasqal_triples_source API version - */ -#define RASQAL_TRIPLES_SOURCE_MAX_VERSION 2 - - -/** - * rasqal_triples_source_feature: - * @RASQAL_TRIPLES_SOURCE_FEATURE_NONE: No feature - * @RASQAL_TRIPLES_SOURCE_FEATURE_IOSTREAM_DATA_GRAPH: Support raptor_iostream data graphs - * - * Optional features that may be supported by a triple source factory - */ -typedef enum { - RASQAL_TRIPLES_SOURCE_FEATURE_NONE, - RASQAL_TRIPLES_SOURCE_FEATURE_IOSTREAM_DATA_GRAPH -} rasqal_triples_source_feature; - - -/** - * rasqal_triples_source: - * @version: API version - only V1 is defined for now - * @query: Source for this query. - * @user_data: Context user data passed into the factory methods. - * @init_triples_match: Factory method to initalise a new #rasqal_triples_match. - * @triple_present: Factory method to return presence or absence of a complete triple. - * @free_triples_source: Factory method to deallocate resources. - * @support_feature: Factory method to test support for a feature, returning non-0 if supported - * - * Triples source as initialised by a #rasqal_triples_source_factory. - */ -struct rasqal_triples_source_s { - int version; - - rasqal_query* query; - - void *user_data; - - /* API v1 */ - int (*init_triples_match)(rasqal_triples_match* rtm, struct rasqal_triples_source_s* rts, void *user_data, rasqal_triple_meta *m, rasqal_triple *t); - - int (*triple_present)(struct rasqal_triples_source_s* rts, void *user_data, rasqal_triple *t); - - void (*free_triples_source)(void *user_data); - - /* API v2 onwards */ - int (*support_feature)(void *user_data, rasqal_triples_source_feature feature); -}; -typedef struct rasqal_triples_source_s rasqal_triples_source; - - -/** - * RASQAL_TRIPLES_SOURCE_FACTORY_MIN_VERSION: - * - * Lowest accepted @rasqal_triples_source_factory API version - */ -#define RASQAL_TRIPLES_SOURCE_FACTORY_MIN_VERSION 1 - -/** - * RASQAL_TRIPLES_SOURCE_FACTORY_MAX_VERSION: - * - * Highest accepted @rasqal_triples_source_factory API version - */ -#define RASQAL_TRIPLES_SOURCE_FACTORY_MAX_VERSION 2 - - -/** - * rasqal_triples_error_handler: - * @query: query object - * @locator: error locator (or NULL) - * @message: error message - * - * Triples source factory error handler callback. - */ -typedef void (*rasqal_triples_error_handler)(rasqal_query* query, raptor_locator* locator, const char* message); - - -/** - * rasqal_triples_source_factory: - * @version: API factory version from 1 to 2 - * @user_data: User data for triples_source_factory. - * @user_data_size: Size of @user_data for new_triples_source. - * @new_triples_source: Create a new triples source - returns non-zero on failure < 0 is a 'no rdf data error', > 0 is an unspecified error. Error messages are generated by rasqal internally. (V1) - * @init_triples_source: Initialise a new triples source V2 for a particular source URI/base URI and syntax. Returns non-zero on failure with errors reported via the handler callback by the implementation. (V2) - * - * A factory that initialises #rasqal_triples_source structures to - * returning matches to a triple pattern across the dataset formed - * from the data graphs recorded in the @query object. - */ -typedef struct { - int version; - - void *user_data; - size_t user_data_size; - - /* API v1 */ - int (*new_triples_source)(rasqal_query* query, void *factory_user_data, void *user_data, rasqal_triples_source* rts); - /* API v2 onwards */ - int (*init_triples_source)(rasqal_query* query, void *factory_user_data, void *user_data, rasqal_triples_source* rts, rasqal_triples_error_handler handler); -} rasqal_triples_source_factory; - - -/** - * rasqal_triples_source_factory_register_fn: - * @factory: factory to register - * - * Register a factory for generating triples sources #rasqal_triples_source - * - * Return value: non-0 on failure - */ -typedef int (*rasqal_triples_source_factory_register_fn)(rasqal_triples_source_factory *factory); - - -/* set the triples_source_factory */ -RASQAL_API -int rasqal_set_triples_source_factory(rasqal_world* world, rasqal_triples_source_factory_register_fn register_fn, void* user_data); - - - -/* The info below is solely for gtk-doc - ignore it */ - -/** - * raptor_world: - * - * Internal - */ - -/** - * RASQAL_QUERY_RESULTS_FORMATTER_DECLARED: - * - * Internal - */ - -/** - * RASQAL_WORLD_DECLARED: - * - * Internal - */ - - -/** - * RASQAL_LITERAL_UDT_DEFINED - * - * Internal - */ - -/** - * rasqal_expression_s: - * @usage: Internal - * @op: Internal - * @arg1: Internal - * @arg2: Internal - * @arg3: Internal - * @literal: Internal - * @value: Internal - * @name: Internal - * @args: Internal - * @params: Internal - * @flags: Internal - * - * Internal - see #rasqal_expression. - * - */ - -/** - * bind_match: - * @rtm: triples match context - * @user_data: user data - * @bindings: variable binding for parts of triple (s, p, o, g) - * @parts: parts of triple to match - * - * Internal - see #rasqal_triples_match - * - * Return value: match parts -*/ - -/** - * next_match: - * @rtm: triples match context - * @user_data: user data - * - * Internal - see #rasqal_triples_match - */ - -/** - * is_end: - * @rtm: triples match context - * @user_data: user data - * - * Internal - see #rasqal_triples_match - * - * Return value: non-0 if end of match - */ - -/** - * finish: - * @rtm: triples match context - * @user_data: user data - * - * Internal - see #rasqal_triples_match - */ - -/** - * init_triples_match: - * @rtm: triples match context - * @rts: triples match source - * @user_data: user data - * @m: triple meta - * @t: triple - * - * Internal - see #rasqal_triples_source - * - * Return value: non-0 on failure - */ - -/** - * triple_present: - * @rts: triples match source - * @user_data: user data - * @t: triple to test for presence - * - * Internal - see #rasqal_triples_source - * - * Return value: non-0 on failure - */ - -/** - * free_triples_source: - * @user_data: user data - * - * Internal - see #rasqal_triples_source - */ - -/** - * support_feature: - * @user_data: user data - * @feature: feature to test - * - * Internal - see #rasqal_triples_source - * - * Return value: non-0 if supported - */ - -/** - * rasqal_variables_table: - * - * Internal - for now - */ - - -#ifdef __cplusplus -} -#endif - -#endif |