/*

 * Summary: internal interfaces for XML Schemas

 * Description: internal interfaces for the XML Schemas handling

 *              and schema validity checking

 *

 * Copy: See Copyright for the status of this software.

 *

 * Author: Daniel Veillard

 * Portion Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 

 */

/** @file

@publishedAll

@released

*/

#ifndef XML_SCHEMA_INTERNALS_H

#define XML_SCHEMA_INTERNALS_H

#include <stdapis/libxml2/libxml2_xmlversion.h>

#if defined(LIBXML_SCHEMAS_ENABLED) || defined(XMLENGINE_XMLSCHEMA_DATATYPES)

#ifdef LIBXML_REGEXP_ENABLED

#include "libxml2_xmlregexp.h"

#endif

#include <stdapis/libxml2/libxml2_hash.h>

#include <stdapis/libxml2/libxml2_dict.h>

#ifdef __cplusplus

extern "C" {

#endif

#define XML_SCHEMAS_NAMESPACE_NAME \

    (const xmlChar*) "http://www.w3.org/2001/XMLSchema"

/*

 * XML Schemas defines multiple type of types.

 */

typedef enum {

    XML_SCHEMA_TYPE_BASIC           = 1,

    XML_SCHEMA_TYPE_ANY,

    XML_SCHEMA_TYPE_FACET,

    XML_SCHEMA_TYPE_SIMPLE,

    XML_SCHEMA_TYPE_COMPLEX,

    XML_SCHEMA_TYPE_SEQUENCE,

    XML_SCHEMA_TYPE_CHOICE,

    XML_SCHEMA_TYPE_ALL,

    XML_SCHEMA_TYPE_SIMPLE_CONTENT,

    XML_SCHEMA_TYPE_COMPLEX_CONTENT,

    XML_SCHEMA_TYPE_UR,

    XML_SCHEMA_TYPE_RESTRICTION,

    XML_SCHEMA_TYPE_EXTENSION,

    XML_SCHEMA_TYPE_ELEMENT,

    XML_SCHEMA_TYPE_ATTRIBUTE,

    XML_SCHEMA_TYPE_ATTRIBUTEGROUP,

    XML_SCHEMA_TYPE_GROUP,

    XML_SCHEMA_TYPE_NOTATION,

    XML_SCHEMA_TYPE_LIST,

    XML_SCHEMA_TYPE_UNION,

    XML_SCHEMA_TYPE_ANY_ATTRIBUTE,

    XML_SCHEMA_FACET_MININCLUSIVE   = 1000,

    XML_SCHEMA_FACET_MINEXCLUSIVE,

    XML_SCHEMA_FACET_MAXINCLUSIVE,

    XML_SCHEMA_FACET_MAXEXCLUSIVE,

    XML_SCHEMA_FACET_TOTALDIGITS,

    XML_SCHEMA_FACET_FRACTIONDIGITS,

    XML_SCHEMA_FACET_PATTERN,

    XML_SCHEMA_FACET_ENUMERATION,

    XML_SCHEMA_FACET_WHITESPACE,

    XML_SCHEMA_FACET_LENGTH,

    XML_SCHEMA_FACET_MAXLENGTH,

    XML_SCHEMA_FACET_MINLENGTH

} xmlSchemaTypeType;

typedef enum {

    XML_SCHEMA_CONTENT_UNKNOWN  = 0,

    XML_SCHEMA_CONTENT_EMPTY    = 1,

    XML_SCHEMA_CONTENT_ELEMENTS,

    XML_SCHEMA_CONTENT_MIXED,

    XML_SCHEMA_CONTENT_SIMPLE,

    XML_SCHEMA_CONTENT_MIXED_OR_ELEMENTS,

    XML_SCHEMA_CONTENT_BASIC,

    XML_SCHEMA_CONTENT_ANY

} xmlSchemaContentType;

typedef enum {

    XML_SCHEMAS_UNKNOWN     = 0,

    XML_SCHEMAS_STRING,

    XML_SCHEMAS_NORMSTRING,

    XML_SCHEMAS_DECIMAL,

    XML_SCHEMAS_TIME,

    XML_SCHEMAS_GDAY,

    XML_SCHEMAS_GMONTH,

    XML_SCHEMAS_GMONTHDAY,

    XML_SCHEMAS_GYEAR,

    XML_SCHEMAS_GYEARMONTH,

    XML_SCHEMAS_DATE,

    XML_SCHEMAS_DATETIME,

    XML_SCHEMAS_DURATION,

    XML_SCHEMAS_FLOAT,

    XML_SCHEMAS_DOUBLE,

    XML_SCHEMAS_BOOLEAN,

    XML_SCHEMAS_TOKEN,

    XML_SCHEMAS_LANGUAGE,

    XML_SCHEMAS_NMTOKEN,

    XML_SCHEMAS_NMTOKENS,

    XML_SCHEMAS_NAME,

    XML_SCHEMAS_QNAME,

    XML_SCHEMAS_NCNAME,

    XML_SCHEMAS_ID,

    XML_SCHEMAS_IDREF,

    XML_SCHEMAS_IDREFS,

    XML_SCHEMAS_ENTITY,

    XML_SCHEMAS_ENTITIES,

    XML_SCHEMAS_NOTATION,

    XML_SCHEMAS_ANYURI,

    XML_SCHEMAS_INTEGER,

    XML_SCHEMAS_NPINTEGER,

    XML_SCHEMAS_NINTEGER,

    XML_SCHEMAS_NNINTEGER,

    XML_SCHEMAS_PINTEGER,

    XML_SCHEMAS_INT,

    XML_SCHEMAS_UINT,

    XML_SCHEMAS_LONG,

    XML_SCHEMAS_ULONG,

    XML_SCHEMAS_SHORT,

    XML_SCHEMAS_USHORT,

    XML_SCHEMAS_BYTE,

    XML_SCHEMAS_UBYTE,

    XML_SCHEMAS_HEXBINARY,

    XML_SCHEMAS_BASE64BINARY

} xmlSchemaValType;

/* Date value */

struct _xmlSchemaValDate {

    long            year;

    unsigned int    mon :4; /* 1 <=  mon    <= 12   */

    unsigned int    day :5; /* 1 <=  day    <= 31   */

    unsigned int    hour:5; /* 0 <=  hour   <= 23   */

    unsigned int    min :6; /* 0 <=  min    <= 59   */

    double          sec;

    unsigned int    tz_flag :1; /* is tzo explicitely set? */

    int             tzo :11;    /* -1440 <= tzo <= 1440 */

};

/* Duration value */

typedef struct _xmlSchemaValDuration xmlSchemaValDuration;

typedef xmlSchemaValDuration *xmlSchemaValDurationPtr;

struct _xmlSchemaValDuration {

    long       mon;        /* mon stores years also */

    long       day;

    double     sec;        /* sec stores min and hour also */

};

typedef struct _xmlSchemaValDecimal xmlSchemaValDecimal;

typedef xmlSchemaValDecimal *xmlSchemaValDecimalPtr;

struct _xmlSchemaValDecimal {

    /* would use long long but not portable */

    unsigned long lo;

    unsigned long mi;

    unsigned long hi;

    unsigned int  extra;

    unsigned int  sign:1;

    unsigned int  frac:7;

    unsigned int total:8;

};

typedef struct _xmlSchemaValQName xmlSchemaValQName;

typedef xmlSchemaValQName *xmlSchemaValQNamePtr;

struct _xmlSchemaValQName {

    xmlChar *name;

    xmlChar *uri;

};

typedef struct _xmlSchemaValHex xmlSchemaValHex;

typedef xmlSchemaValHex *xmlSchemaValHexPtr;

struct _xmlSchemaValHex {

    xmlChar     *str;

    unsigned int total;

};

typedef struct _xmlSchemaValBase64 xmlSchemaValBase64;

typedef xmlSchemaValBase64 *xmlSchemaValBase64Ptr;

struct _xmlSchemaValBase64 {

    xmlChar     *str;

    unsigned int total;

};

typedef struct _xmlSchemaValDate xmlSchemaValDate;

typedef xmlSchemaValDate *xmlSchemaValDatePtr;

struct _xmlSchemaVal {

    xmlSchemaValType type;

    union {

        xmlSchemaValDecimal     decimal;

        xmlSchemaValDate        date;

        xmlSchemaValDuration    dur;

        xmlSchemaValQName       qname;

        xmlSchemaValHex         hex;

        xmlSchemaValBase64      base64;

        float    f;

        double   d;

        int      b;

        xmlChar* str;

    } value;

};

typedef struct _xmlSchemaVal xmlSchemaVal;

typedef xmlSchemaVal *xmlSchemaValPtr;

typedef struct _xmlSchemaType xmlSchemaType;

typedef xmlSchemaType *xmlSchemaTypePtr;

typedef struct _xmlSchemaFacet xmlSchemaFacet;

typedef xmlSchemaFacet *xmlSchemaFacetPtr;

/**

 * Annotation

 */

typedef struct _xmlSchemaAnnot xmlSchemaAnnot;

typedef xmlSchemaAnnot *xmlSchemaAnnotPtr;

struct _xmlSchemaAnnot {

    struct _xmlSchemaAnnot *next;

    xmlNodePtr content;         /* the annotation */

};

/**

 * XML_SCHEMAS_ANYATTR_SKIP:

 *

 * Skip unknown attribute from validation

 */

#define XML_SCHEMAS_ANYATTR_SKIP    1

/**

 * XML_SCHEMAS_ANYATTR_LAX:

 *

 * Ignore validation non definition on attributes

 */

#define XML_SCHEMAS_ANYATTR_LAX     2

/**

 * XML_SCHEMAS_ANYATTR_STRICT:

 *

 * Apply strict validation rules on attributes

 */

#define XML_SCHEMAS_ANYATTR_STRICT  3

/**

 * XML_SCHEMAS_ATTR_USE_PROHIBITED:

 *

 * The attribute is prohibited.

 */

#define XML_SCHEMAS_ATTR_USE_PROHIBITED 0

/**

 * XML_SCHEMAS_ATTR_USE_REQUIRED:

 *

 * The attribute is required.

 */

#define XML_SCHEMAS_ATTR_USE_REQUIRED 1

/**

 * XML_SCHEMAS_ATTR_USE_OPTIONAL:

 *

 * The attribute is optional.

 */

#define XML_SCHEMAS_ATTR_USE_OPTIONAL 2

/**

 * XML_SCHEMAS_ATTR_NSDEFAULT:

 *

 * allow elements in no namespace

 */

#define XML_SCHEMAS_ATTR_NSDEFAULT  1 << 7

/**

 * xmlSchemaAttribute:

 * An attribute definition.

 */

typedef struct _xmlSchemaAttribute xmlSchemaAttribute;

typedef xmlSchemaAttribute *xmlSchemaAttributePtr;

struct _xmlSchemaAttribute {

    xmlSchemaTypeType type; /* The kind of type */

    struct _xmlSchemaAttribute *next;/* the next attribute if in a group ... */

    const xmlChar *name;

    const xmlChar *id;

    const xmlChar *ref;

    const xmlChar *refNs;

    const xmlChar *typeName;

    const xmlChar *typeNs;

    xmlSchemaAnnotPtr annot;

    xmlSchemaTypePtr base;

    int occurs;

    const xmlChar *defValue;

    xmlSchemaTypePtr subtypes;

    xmlNodePtr node;

    const xmlChar *targetNamespace;

    int flags;

};

/**

 * An attribute group definition.

 *

 * xmlSchemaAttribute and xmlSchemaAttributeGroup start of structures

 * must be kept similar

 */

typedef struct _xmlSchemaAttributeGroup xmlSchemaAttributeGroup;

typedef xmlSchemaAttributeGroup *xmlSchemaAttributeGroupPtr;

struct _xmlSchemaAttributeGroup {

    xmlSchemaTypeType type; /* The kind of type */

    struct _xmlSchemaAttribute *next;/* the next attribute if in a group ... */

    const xmlChar *name;

    const xmlChar *id;

    const xmlChar *ref;

    const xmlChar *refNs;

    xmlSchemaAnnotPtr annot;

    xmlSchemaAttributePtr attributes;

    xmlNodePtr node;

};

/**

 * XML_SCHEMAS_TYPE_MIXED:

 *

 * the element content type is mixed

 */

#define XML_SCHEMAS_TYPE_MIXED      1 << 0

/**

 * _xmlSchemaType:

 *

 * Schemas type definition.

 */

struct _xmlSchemaType {

    xmlSchemaTypeType type; /* The kind of type */

    struct _xmlSchemaType *next;/* the next type if in a sequence ... */

    const xmlChar *name;

    const xmlChar *id;

    const xmlChar *ref;

    const xmlChar *refNs;

    xmlSchemaAnnotPtr annot;

    xmlSchemaTypePtr subtypes;

    xmlSchemaAttributePtr attributes;

    xmlNodePtr node;

    int minOccurs;

    int maxOccurs;

    int flags;

    xmlSchemaContentType contentType;

    const xmlChar *base;

    const xmlChar *baseNs;

    xmlSchemaTypePtr baseType;

    xmlSchemaFacetPtr facets;

    struct _xmlSchemaType *redef;/* possible redefinitions for the type */

    int recurse;

};

/*

 * xmlSchemaElement:

 * An element definition.

 *

 * xmlSchemaType, xmlSchemaFacet and xmlSchemaElement start of

 * structures must be kept similar

 */

/**

 * XML_SCHEMAS_ELEM_NILLABLE:

 *

 * the element is nillable

 */

#define XML_SCHEMAS_ELEM_NILLABLE   1 << 0

/**

 * XML_SCHEMAS_ELEM_GLOBAL:

 *

 * the element is global

 */

#define XML_SCHEMAS_ELEM_GLOBAL     1 << 1

/**

 * XML_SCHEMAS_ELEM_DEFAULT:

 *

 * the element has a default value

 */

#define XML_SCHEMAS_ELEM_DEFAULT    1 << 2

/**

 * XML_SCHEMAS_ELEM_FIXED:

 *

 * the element has a fixed value

 */

#define XML_SCHEMAS_ELEM_FIXED      1 << 3

/**

 * XML_SCHEMAS_ELEM_ABSTRACT:

 *

 * the element is abstract

 */

#define XML_SCHEMAS_ELEM_ABSTRACT   1 << 4

/**

 * XML_SCHEMAS_ELEM_TOPLEVEL:

 *

 * the element is top level

 */

#define XML_SCHEMAS_ELEM_TOPLEVEL   1 << 5

/**

 * XML_SCHEMAS_ELEM_REF:

 *

 * the element is a reference to a type

 */

#define XML_SCHEMAS_ELEM_REF        1 << 6

/**

 * XML_SCHEMAS_ELEM_NSDEFAULT:

 *

 * allow elements in no namespace

 */

#define XML_SCHEMAS_ELEM_NSDEFAULT  1 << 7

typedef struct _xmlSchemaElement xmlSchemaElement;

typedef xmlSchemaElement *xmlSchemaElementPtr;

struct _xmlSchemaElement {

    xmlSchemaTypeType type; /* The kind of type */

    struct _xmlSchemaType *next;/* the next type if in a sequence ... */

    const xmlChar *name;

    const xmlChar *id;

    const xmlChar *ref;

    const xmlChar *refNs;

    xmlSchemaAnnotPtr annot;

    xmlSchemaTypePtr subtypes;

    xmlSchemaAttributePtr attributes;

    xmlNodePtr node;

    int minOccurs;

    int maxOccurs;

    int flags;

    const xmlChar *targetNamespace;

    const xmlChar *namedType;

    const xmlChar *namedTypeNs;

    const xmlChar *substGroup;

    const xmlChar *substGroupNs;

    const xmlChar *scope;

    const xmlChar *value;

    struct _xmlSchemaElement *refDecl;

#ifdef LIBXML_REGEXP_ENABLED

    xmlRegexpPtr contModel;

#endif

    xmlSchemaContentType contentType;

};

/*

 * XML_SCHEMAS_FACET_UNKNOWN:

 *

 * unknown facet handling

 */

#define XML_SCHEMAS_FACET_UNKNOWN   0

/*

 * XML_SCHEMAS_FACET_PRESERVE:

 *

 * preserve the type of the facet

 */

#define XML_SCHEMAS_FACET_PRESERVE  1

/*

 * XML_SCHEMAS_FACET_REPLACE:

 *

 * replace the type of the facet

 */

#define XML_SCHEMAS_FACET_REPLACE   2

/*

 * XML_SCHEMAS_FACET_COLLAPSE:

 *

 * collapse the types of the facet

 */

#define XML_SCHEMAS_FACET_COLLAPSE  3

/**

 * A facet definition.

 */

struct _xmlSchemaFacet {

    xmlSchemaTypeType type; /* The kind of type */

    struct _xmlSchemaFacet *next;/* the next type if in a sequence ... */

    const xmlChar *value;

    const xmlChar *id;

    xmlSchemaAnnotPtr annot;

    xmlNodePtr node;

    int fixed;

    int whitespace;

    xmlSchemaValPtr val;

#ifdef LIBXML_REGEXP_ENABLED

    xmlRegexpPtr    regexp;

#endif

};

/**

 * A notation definition.

 */

typedef struct _xmlSchemaNotation xmlSchemaNotation;

typedef xmlSchemaNotation *xmlSchemaNotationPtr;

struct _xmlSchemaNotation {

    xmlSchemaTypeType type; /* The kind of type */

    const xmlChar *name;

    xmlSchemaAnnotPtr annot;

    const xmlChar *identifier;

};

/**

 * XML_SCHEMAS_QUALIF_ELEM:

 *

 * the shemas requires qualified elements

 */

#define XML_SCHEMAS_QUALIF_ELEM     1 << 0

/**

 * XML_SCHEMAS_QUALIF_ATTR:

 *

 * the shemas requires qualified attributes

 */

#define XML_SCHEMAS_QUALIF_ATTR     1 << 1

/**

 * _xmlSchema:

 *

 * A Schemas definition

 */

struct _xmlSchema {

    const xmlChar *name;        /* schema name */

    const xmlChar *targetNamespace;     /* the target namespace */

    const xmlChar *version;

    const xmlChar *id;