diff env/lib/python3.9/site-packages/lxml/includes/libxslt/xsltInternals.h @ 0:4f3585e2f14b draft default tip

"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/env/lib/python3.9/site-packages/lxml/includes/libxslt/xsltInternals.h	Mon Mar 22 18:12:50 2021 +0000
@@ -0,0 +1,1978 @@
+/*
+ * Summary: internal data structures, constants and functions
+ * Description: Internal data structures, constants and functions used
+ *              by the XSLT engine.
+ *              They are not part of the API or ABI, i.e. they can change
+ *              without prior notice, use carefully.
+ *
+ * Copy: See Copyright for the status of this software.
+ *
+ * Author: Daniel Veillard
+ */
+
+#ifndef __XML_XSLT_INTERNALS_H__
+#define __XML_XSLT_INTERNALS_H__
+
+#include <libxml/tree.h>
+#include <libxml/hash.h>
+#include <libxml/xpath.h>
+#include <libxml/xmlerror.h>
+#include <libxml/dict.h>
+#include <libxml/xmlstring.h>
+#include <libxslt/xslt.h>
+#include "xsltexports.h"
+#include "xsltlocale.h"
+#include "numbersInternals.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* #define XSLT_DEBUG_PROFILE_CACHE */
+
+/**
+ * XSLT_IS_TEXT_NODE:
+ *
+ * check if the argument is a text node
+ */
+#define XSLT_IS_TEXT_NODE(n) ((n != NULL) && \
+    (((n)->type == XML_TEXT_NODE) || \
+     ((n)->type == XML_CDATA_SECTION_NODE)))
+
+
+/**
+ * XSLT_MARK_RES_TREE_FRAG:
+ *
+ * internal macro to set up tree fragments
+ */
+#define XSLT_MARK_RES_TREE_FRAG(n) \
+    (n)->name = (char *) xmlStrdup(BAD_CAST " fake node libxslt");
+
+/**
+ * XSLT_IS_RES_TREE_FRAG:
+ *
+ * internal macro to test tree fragments
+ */
+#define XSLT_IS_RES_TREE_FRAG(n) \
+    ((n != NULL) && ((n)->type == XML_DOCUMENT_NODE) && \
+     ((n)->name != NULL) && ((n)->name[0] == ' '))
+
+/**
+ * XSLT_REFACTORED_KEYCOMP:
+ *
+ * Internal define to enable on-demand xsl:key computation.
+ * That's the only mode now but the define is kept for compatibility
+ */
+#define XSLT_REFACTORED_KEYCOMP
+
+/**
+ * XSLT_FAST_IF:
+ *
+ * Internal define to enable usage of xmlXPathCompiledEvalToBoolean()
+ * for XSLT "tests"; e.g. in <xsl:if test="/foo/bar">
+ */
+#define XSLT_FAST_IF
+
+/**
+ * XSLT_REFACTORED:
+ *
+ * Internal define to enable the refactored parts of Libxslt.
+ */
+/* #define XSLT_REFACTORED */
+/* ==================================================================== */
+
+/**
+ * XSLT_REFACTORED_VARS:
+ *
+ * Internal define to enable the refactored variable part of libxslt
+ */
+#define XSLT_REFACTORED_VARS
+
+#ifdef XSLT_REFACTORED
+
+extern const xmlChar *xsltXSLTAttrMarker;
+
+
+/* TODO: REMOVE: #define XSLT_REFACTORED_EXCLRESNS */
+
+/* TODO: REMOVE: #define XSLT_REFACTORED_NSALIAS */
+
+/**
+ * XSLT_REFACTORED_XSLT_NSCOMP
+ *
+ * Internal define to enable the pointer-comparison of
+ * namespaces of XSLT elements.
+ */
+/* #define XSLT_REFACTORED_XSLT_NSCOMP */
+
+#ifdef XSLT_REFACTORED_XSLT_NSCOMP
+
+extern const xmlChar *xsltConstNamespaceNameXSLT;
+
+/**
+ * IS_XSLT_ELEM_FAST:
+ *
+ * quick test to detect XSLT elements
+ */
+#define IS_XSLT_ELEM_FAST(n) \
+    (((n) != NULL) && ((n)->ns != NULL) && \
+    ((n)->ns->href == xsltConstNamespaceNameXSLT))
+
+/**
+ * IS_XSLT_ATTR_FAST:
+ *
+ * quick test to detect XSLT attributes
+ */
+#define IS_XSLT_ATTR_FAST(a) \
+    (((a) != NULL) && ((a)->ns != NULL) && \
+    ((a)->ns->href == xsltConstNamespaceNameXSLT))
+
+/**
+ * XSLT_HAS_INTERNAL_NSMAP:
+ *
+ * check for namespace mapping
+ */
+#define XSLT_HAS_INTERNAL_NSMAP(s) \
+    (((s) != NULL) && ((s)->principal) && \
+     ((s)->principal->principalData) && \
+     ((s)->principal->principalData->nsMap))
+
+/**
+ * XSLT_GET_INTERNAL_NSMAP:
+ *
+ * get pointer to namespace map
+ */
+#define XSLT_GET_INTERNAL_NSMAP(s) ((s)->principal->principalData->nsMap)
+
+#else /* XSLT_REFACTORED_XSLT_NSCOMP */
+
+/**
+ * IS_XSLT_ELEM_FAST:
+ *
+ * quick check whether this is an xslt element
+ */
+#define IS_XSLT_ELEM_FAST(n) \
+    (((n) != NULL) && ((n)->ns != NULL) && \
+     (xmlStrEqual((n)->ns->href, XSLT_NAMESPACE)))
+
+/**
+ * IS_XSLT_ATTR_FAST:
+ *
+ * quick check for xslt namespace attribute
+ */
+#define IS_XSLT_ATTR_FAST(a) \
+    (((a) != NULL) && ((a)->ns != NULL) && \
+     (xmlStrEqual((a)->ns->href, XSLT_NAMESPACE)))
+
+
+#endif /* XSLT_REFACTORED_XSLT_NSCOMP */
+
+
+/**
+ * XSLT_REFACTORED_MANDATORY_VERSION:
+ *
+ * TODO: Currently disabled to surpress regression test failures, since
+ *  the old behaviour was that a missing version attribute
+ *  produced a only a warning and not an error, which was incerrect.
+ *  So the regression tests need to be fixed if this is enabled.
+ */
+/* #define XSLT_REFACTORED_MANDATORY_VERSION */
+
+/**
+ * xsltPointerList:
+ *
+ * Pointer-list for various purposes.
+ */
+typedef struct _xsltPointerList xsltPointerList;
+typedef xsltPointerList *xsltPointerListPtr;
+struct _xsltPointerList {
+    void **items;
+    int number;
+    int size;
+};
+
+#endif
+
+/**
+ * XSLT_REFACTORED_PARSING:
+ *
+ * Internal define to enable the refactored parts of Libxslt
+ * related to parsing.
+ */
+/* #define XSLT_REFACTORED_PARSING */
+
+/**
+ * XSLT_MAX_SORT:
+ *
+ * Max number of specified xsl:sort on an element.
+ */
+#define XSLT_MAX_SORT 15
+
+/**
+ * XSLT_PAT_NO_PRIORITY:
+ *
+ * Specific value for pattern without priority expressed.
+ */
+#define XSLT_PAT_NO_PRIORITY -12345789
+
+/**
+ * xsltRuntimeExtra:
+ *
+ * Extra information added to the transformation context.
+ */
+typedef struct _xsltRuntimeExtra xsltRuntimeExtra;
+typedef xsltRuntimeExtra *xsltRuntimeExtraPtr;
+struct _xsltRuntimeExtra {
+    void       *info;		/* pointer to the extra data */
+    xmlFreeFunc deallocate;	/* pointer to the deallocation routine */
+    union {			/* dual-purpose field */
+        void   *ptr;		/* data not needing deallocation */
+	int    ival;		/* integer value storage */
+    } val;
+};
+
+/**
+ * XSLT_RUNTIME_EXTRA_LST:
+ * @ctxt: the transformation context
+ * @nr: the index
+ *
+ * Macro used to access extra information stored in the context
+ */
+#define XSLT_RUNTIME_EXTRA_LST(ctxt, nr) (ctxt)->extras[(nr)].info
+/**
+ * XSLT_RUNTIME_EXTRA_FREE:
+ * @ctxt: the transformation context
+ * @nr: the index
+ *
+ * Macro used to free extra information stored in the context
+ */
+#define XSLT_RUNTIME_EXTRA_FREE(ctxt, nr) (ctxt)->extras[(nr)].deallocate
+/**
+ * XSLT_RUNTIME_EXTRA:
+ * @ctxt: the transformation context
+ * @nr: the index
+ *
+ * Macro used to define extra information stored in the context
+ */
+#define	XSLT_RUNTIME_EXTRA(ctxt, nr, typ) (ctxt)->extras[(nr)].val.typ
+
+/**
+ * xsltTemplate:
+ *
+ * The in-memory structure corresponding to an XSLT Template.
+ */
+typedef struct _xsltTemplate xsltTemplate;
+typedef xsltTemplate *xsltTemplatePtr;
+struct _xsltTemplate {
+    struct _xsltTemplate *next;/* chained list sorted by priority */
+    struct _xsltStylesheet *style;/* the containing stylesheet */
+    xmlChar *match;	/* the matching string */
+    float priority;	/* as given from the stylesheet, not computed */
+    const xmlChar *name; /* the local part of the name QName */
+    const xmlChar *nameURI; /* the URI part of the name QName */
+    const xmlChar *mode;/* the local part of the mode QName */
+    const xmlChar *modeURI;/* the URI part of the mode QName */
+    xmlNodePtr content;	/* the template replacement value */
+    xmlNodePtr elem;	/* the source element */
+
+    /*
+    * TODO: @inheritedNsNr and @inheritedNs won't be used in the
+    *  refactored code.
+    */
+    int inheritedNsNr;  /* number of inherited namespaces */
+    xmlNsPtr *inheritedNs;/* inherited non-excluded namespaces */
+
+    /* Profiling information */
+    int nbCalls;        /* the number of time the template was called */
+    unsigned long time; /* the time spent in this template */
+    void *params;       /* xsl:param instructions */
+
+    int              templNr;		/* Nb of templates in the stack */
+    int              templMax;		/* Size of the templtes stack */
+    xsltTemplatePtr *templCalledTab;	/* templates called */
+    int             *templCountTab;  /* .. and how often */
+};
+
+/**
+ * xsltDecimalFormat:
+ *
+ * Data structure of decimal-format.
+ */
+typedef struct _xsltDecimalFormat xsltDecimalFormat;
+typedef xsltDecimalFormat *xsltDecimalFormatPtr;
+struct _xsltDecimalFormat {
+    struct _xsltDecimalFormat *next; /* chained list */
+    xmlChar *name;
+    /* Used for interpretation of pattern */
+    xmlChar *digit;
+    xmlChar *patternSeparator;
+    /* May appear in result */
+    xmlChar *minusSign;
+    xmlChar *infinity;
+    xmlChar *noNumber; /* Not-a-number */
+    /* Used for interpretation of pattern and may appear in result */
+    xmlChar *decimalPoint;
+    xmlChar *grouping;
+    xmlChar *percent;
+    xmlChar *permille;
+    xmlChar *zeroDigit;
+    const xmlChar *nsUri;
+};
+
+/**
+ * xsltDocument:
+ *
+ * Data structure associated to a parsed document.
+ */
+typedef struct _xsltDocument xsltDocument;
+typedef xsltDocument *xsltDocumentPtr;
+struct _xsltDocument {
+    struct _xsltDocument *next;	/* documents are kept in a chained list */
+    int main;			/* is this the main document */
+    xmlDocPtr doc;		/* the parsed document */
+    void *keys;			/* key tables storage */
+    struct _xsltDocument *includes; /* subsidiary includes */
+    int preproc;		/* pre-processing already done */
+    int nbKeysComputed;
+};
+
+/**
+ * xsltKeyDef:
+ *
+ * Representation of an xsl:key.
+ */
+typedef struct _xsltKeyDef xsltKeyDef;
+typedef xsltKeyDef *xsltKeyDefPtr;
+struct _xsltKeyDef {
+    struct _xsltKeyDef *next;
+    xmlNodePtr inst;
+    xmlChar *name;
+    xmlChar *nameURI;
+    xmlChar *match;
+    xmlChar *use;
+    xmlXPathCompExprPtr comp;
+    xmlXPathCompExprPtr usecomp;
+    xmlNsPtr *nsList;           /* the namespaces in scope */
+    int nsNr;                   /* the number of namespaces in scope */
+};
+
+/**
+ * xsltKeyTable:
+ *
+ * Holds the computed keys for key definitions of the same QName.
+ * Is owned by an xsltDocument.
+ */
+typedef struct _xsltKeyTable xsltKeyTable;
+typedef xsltKeyTable *xsltKeyTablePtr;
+struct _xsltKeyTable {
+    struct _xsltKeyTable *next;
+    xmlChar *name;
+    xmlChar *nameURI;
+    xmlHashTablePtr keys;
+};
+
+/*
+ * The in-memory structure corresponding to an XSLT Stylesheet.
+ * NOTE: most of the content is simply linked from the doc tree
+ *       structure, no specific allocation is made.
+ */
+typedef struct _xsltStylesheet xsltStylesheet;
+typedef xsltStylesheet *xsltStylesheetPtr;
+
+typedef struct _xsltTransformContext xsltTransformContext;
+typedef xsltTransformContext *xsltTransformContextPtr;
+
+/**
+ * xsltElemPreComp:
+ *
+ * The in-memory structure corresponding to element precomputed data,
+ * designed to be extended by extension implementors.
+ */
+typedef struct _xsltElemPreComp xsltElemPreComp;
+typedef xsltElemPreComp *xsltElemPreCompPtr;
+
+/**
+ * xsltTransformFunction:
+ * @ctxt: the XSLT transformation context
+ * @node: the input node
+ * @inst: the stylesheet node
+ * @comp: the compiled information from the stylesheet
+ *
+ * Signature of the function associated to elements part of the
+ * stylesheet language like xsl:if or xsl:apply-templates.
+ */
+typedef void (*xsltTransformFunction) (xsltTransformContextPtr ctxt,
+	                               xmlNodePtr node,
+				       xmlNodePtr inst,
+			               xsltElemPreCompPtr comp);
+
+/**
+ * xsltSortFunc:
+ * @ctxt:    a transformation context
+ * @sorts:   the node-set to sort
+ * @nbsorts: the number of sorts
+ *
+ * Signature of the function to use during sorting
+ */
+typedef void (*xsltSortFunc) (xsltTransformContextPtr ctxt, xmlNodePtr *sorts,
+			      int nbsorts);
+
+typedef enum {
+    XSLT_FUNC_COPY=1,
+    XSLT_FUNC_SORT,
+    XSLT_FUNC_TEXT,
+    XSLT_FUNC_ELEMENT,
+    XSLT_FUNC_ATTRIBUTE,
+    XSLT_FUNC_COMMENT,
+    XSLT_FUNC_PI,
+    XSLT_FUNC_COPYOF,
+    XSLT_FUNC_VALUEOF,
+    XSLT_FUNC_NUMBER,
+    XSLT_FUNC_APPLYIMPORTS,
+    XSLT_FUNC_CALLTEMPLATE,
+    XSLT_FUNC_APPLYTEMPLATES,
+    XSLT_FUNC_CHOOSE,
+    XSLT_FUNC_IF,
+    XSLT_FUNC_FOREACH,
+    XSLT_FUNC_DOCUMENT,
+    XSLT_FUNC_WITHPARAM,
+    XSLT_FUNC_PARAM,
+    XSLT_FUNC_VARIABLE,
+    XSLT_FUNC_WHEN,
+    XSLT_FUNC_EXTENSION
+#ifdef XSLT_REFACTORED
+    ,
+    XSLT_FUNC_OTHERWISE,
+    XSLT_FUNC_FALLBACK,
+    XSLT_FUNC_MESSAGE,
+    XSLT_FUNC_INCLUDE,
+    XSLT_FUNC_ATTRSET,
+    XSLT_FUNC_LITERAL_RESULT_ELEMENT,
+    XSLT_FUNC_UNKOWN_FORWARDS_COMPAT
+#endif
+} xsltStyleType;
+
+/**
+ * xsltElemPreCompDeallocator:
+ * @comp:  the #xsltElemPreComp to free up
+ *
+ * Deallocates an #xsltElemPreComp structure.
+ */
+typedef void (*xsltElemPreCompDeallocator) (xsltElemPreCompPtr comp);
+
+/**
+ * xsltElemPreComp:
+ *
+ * The basic structure for compiled items of the AST of the XSLT processor.
+ * This structure is also intended to be extended by extension implementors.
+ * TODO: This is somehow not nice, since it has a "free" field, which
+ *   derived stylesheet-structs do not have.
+ */
+struct _xsltElemPreComp {
+    xsltElemPreCompPtr next;		/* next item in the global chained
+					   list held by xsltStylesheet. */
+    xsltStyleType type;		/* type of the element */
+    xsltTransformFunction func;	/* handling function */
+    xmlNodePtr inst;			/* the node in the stylesheet's tree
+					   corresponding to this item */
+
+    /* end of common part */
+    xsltElemPreCompDeallocator free;	/* the deallocator */
+};
+
+/**
+ * xsltStylePreComp:
+ *
+ * The abstract basic structure for items of the XSLT processor.
+ * This includes:
+ * 1) compiled forms of XSLT instructions (xsl:if, xsl:attribute, etc.)
+ * 2) compiled forms of literal result elements
+ * 3) compiled forms of extension elements
+ */
+typedef struct _xsltStylePreComp xsltStylePreComp;
+typedef xsltStylePreComp *xsltStylePreCompPtr;
+
+#ifdef XSLT_REFACTORED
+
+/*
+* Some pointer-list utility functions.
+*/
+XSLTPUBFUN xsltPointerListPtr XSLTCALL
+		xsltPointerListCreate		(int initialSize);
+XSLTPUBFUN void XSLTCALL
+		xsltPointerListFree		(xsltPointerListPtr list);
+XSLTPUBFUN void XSLTCALL
+		xsltPointerListClear		(xsltPointerListPtr list);
+XSLTPUBFUN int XSLTCALL
+		xsltPointerListAddSize		(xsltPointerListPtr list,
+						 void *item,
+						 int initialSize);
+
+/************************************************************************
+ *									*
+ * Refactored structures                                                *
+ *									*
+ ************************************************************************/
+
+typedef struct _xsltNsListContainer xsltNsListContainer;
+typedef xsltNsListContainer *xsltNsListContainerPtr;
+struct _xsltNsListContainer {
+    xmlNsPtr *list;
+    int totalNumber;
+    int xpathNumber;
+};
+
+/**
+ * XSLT_ITEM_COMPATIBILITY_FIELDS:
+ *
+ * Fields for API compatibility to the structure
+ * _xsltElemPreComp which is used for extension functions.
+ * Note that @next is used for storage; it does not reflect a next
+ * sibling in the tree.
+ * TODO: Evaluate if we really need such a compatibility.
+ */
+#define XSLT_ITEM_COMPATIBILITY_FIELDS \
+    xsltElemPreCompPtr next;\
+    xsltStyleType type;\
+    xsltTransformFunction func;\
+    xmlNodePtr inst;
+
+/**
+ * XSLT_ITEM_NAVIGATION_FIELDS:
+ *
+ * Currently empty.
+ * TODO: It is intended to hold navigational fields in the future.
+ */
+#define XSLT_ITEM_NAVIGATION_FIELDS
+/*
+    xsltStylePreCompPtr parent;\
+    xsltStylePreCompPtr children;\
+    xsltStylePreCompPtr nextItem;
+*/
+
+/**
+ * XSLT_ITEM_NSINSCOPE_FIELDS:
+ *
+ * The in-scope namespaces.
+ */
+#define XSLT_ITEM_NSINSCOPE_FIELDS xsltNsListContainerPtr inScopeNs;
+
+/**
+ * XSLT_ITEM_COMMON_FIELDS:
+ *
+ * Common fields used for all items.
+ */
+#define XSLT_ITEM_COMMON_FIELDS \
+    XSLT_ITEM_COMPATIBILITY_FIELDS \
+    XSLT_ITEM_NAVIGATION_FIELDS \
+    XSLT_ITEM_NSINSCOPE_FIELDS
+
+/**
+ * _xsltStylePreComp:
+ *
+ * The abstract basic structure for items of the XSLT processor.
+ * This includes:
+ * 1) compiled forms of XSLT instructions (e.g. xsl:if, xsl:attribute, etc.)
+ * 2) compiled forms of literal result elements
+ * 3) various properties for XSLT instructions (e.g. xsl:when,
+ *    xsl:with-param)
+ *
+ * REVISIT TODO: Keep this structure equal to the fields
+ *   defined by XSLT_ITEM_COMMON_FIELDS
+ */
+struct _xsltStylePreComp {
+    xsltElemPreCompPtr next;    /* next item in the global chained
+				   list held by xsltStylesheet */
+    xsltStyleType type;         /* type of the item */
+    xsltTransformFunction func; /* handling function */
+    xmlNodePtr inst;		/* the node in the stylesheet's tree
+				   corresponding to this item. */
+    /* Currently no navigational fields. */
+    xsltNsListContainerPtr inScopeNs;
+};
+
+/**
+ * xsltStyleBasicEmptyItem:
+ *
+ * Abstract structure only used as a short-cut for
+ * XSLT items with no extra fields.
+ * NOTE that it is intended that this structure looks the same as
+ *  _xsltStylePreComp.
+ */
+typedef struct _xsltStyleBasicEmptyItem xsltStyleBasicEmptyItem;
+typedef xsltStyleBasicEmptyItem *xsltStyleBasicEmptyItemPtr;
+
+struct _xsltStyleBasicEmptyItem {
+    XSLT_ITEM_COMMON_FIELDS
+};
+
+/**
+ * xsltStyleBasicExpressionItem:
+ *
+ * Abstract structure only used as a short-cut for
+ * XSLT items with just an expression.
+ */
+typedef struct _xsltStyleBasicExpressionItem xsltStyleBasicExpressionItem;
+typedef xsltStyleBasicExpressionItem *xsltStyleBasicExpressionItemPtr;
+
+struct _xsltStyleBasicExpressionItem {
+    XSLT_ITEM_COMMON_FIELDS
+
+    const xmlChar *select; /* TODO: Change this to "expression". */
+    xmlXPathCompExprPtr comp; /* TODO: Change this to compExpr. */
+};
+
+/************************************************************************
+ *									*
+ * XSLT-instructions/declarations                                       *
+ *									*
+ ************************************************************************/
+
+/**
+ * xsltStyleItemElement:
+ *
+ * <!-- Category: instruction -->
+ * <xsl:element
+ *  name = { qname }
+ *  namespace = { uri-reference }
+ *  use-attribute-sets = qnames>
+ *  <!-- Content: template -->
+ * </xsl:element>
+ */
+typedef struct _xsltStyleItemElement xsltStyleItemElement;
+typedef xsltStyleItemElement *xsltStyleItemElementPtr;
+
+struct _xsltStyleItemElement {
+    XSLT_ITEM_COMMON_FIELDS
+
+    const xmlChar *use;
+    int      has_use;
+    const xmlChar *name;
+    int      has_name;
+    const xmlChar *ns;
+    const xmlChar *nsPrefix;
+    int      has_ns;
+};
+
+/**
+ * xsltStyleItemAttribute:
+ *
+ * <!-- Category: instruction -->
+ * <xsl:attribute
+ *  name = { qname }
+ *  namespace = { uri-reference }>
+ *  <!-- Content: template -->
+ * </xsl:attribute>
+ */
+typedef struct _xsltStyleItemAttribute xsltStyleItemAttribute;
+typedef xsltStyleItemAttribute *xsltStyleItemAttributePtr;
+
+struct _xsltStyleItemAttribute {
+    XSLT_ITEM_COMMON_FIELDS
+    const xmlChar *name;
+    int      has_name;
+    const xmlChar *ns;
+    const xmlChar *nsPrefix;
+    int      has_ns;
+};
+
+/**
+ * xsltStyleItemText:
+ *
+ * <!-- Category: instruction -->
+ * <xsl:text
+ *  disable-output-escaping = "yes" | "no">
+ *  <!-- Content: #PCDATA -->
+ * </xsl:text>
+ */
+typedef struct _xsltStyleItemText xsltStyleItemText;
+typedef xsltStyleItemText *xsltStyleItemTextPtr;
+
+struct _xsltStyleItemText {
+    XSLT_ITEM_COMMON_FIELDS
+    int      noescape;		/* text */
+};
+
+/**
+ * xsltStyleItemComment:
+ *
+ * <!-- Category: instruction -->
+ *  <xsl:comment>
+ *  <!-- Content: template -->
+ * </xsl:comment>
+ */
+typedef xsltStyleBasicEmptyItem xsltStyleItemComment;
+typedef xsltStyleItemComment *xsltStyleItemCommentPtr;
+
+/**
+ * xsltStyleItemPI:
+ *
+ * <!-- Category: instruction -->
+ *  <xsl:processing-instruction
+ *  name = { ncname }>
+ *  <!-- Content: template -->
+ * </xsl:processing-instruction>
+ */
+typedef struct _xsltStyleItemPI xsltStyleItemPI;
+typedef xsltStyleItemPI *xsltStyleItemPIPtr;
+
+struct _xsltStyleItemPI {
+    XSLT_ITEM_COMMON_FIELDS
+    const xmlChar *name;
+    int      has_name;
+};
+
+/**
+ * xsltStyleItemApplyImports:
+ *
+ * <!-- Category: instruction -->
+ * <xsl:apply-imports />
+ */
+typedef xsltStyleBasicEmptyItem xsltStyleItemApplyImports;
+typedef xsltStyleItemApplyImports *xsltStyleItemApplyImportsPtr;
+
+/**
+ * xsltStyleItemApplyTemplates:
+ *
+ * <!-- Category: instruction -->
+ *  <xsl:apply-templates
+ *  select = node-set-expression
+ *  mode = qname>
+ *  <!-- Content: (xsl:sort | xsl:with-param)* -->
+ * </xsl:apply-templates>
+ */
+typedef struct _xsltStyleItemApplyTemplates xsltStyleItemApplyTemplates;
+typedef xsltStyleItemApplyTemplates *xsltStyleItemApplyTemplatesPtr;
+
+struct _xsltStyleItemApplyTemplates {
+    XSLT_ITEM_COMMON_FIELDS
+
+    const xmlChar *mode;	/* apply-templates */
+    const xmlChar *modeURI;	/* apply-templates */
+    const xmlChar *select;	/* sort, copy-of, value-of, apply-templates */
+    xmlXPathCompExprPtr comp;	/* a precompiled XPath expression */
+    /* TODO: with-params */
+};
+
+/**
+ * xsltStyleItemCallTemplate:
+ *
+ * <!-- Category: instruction -->
+ *  <xsl:call-template
+ *  name = qname>
+ *  <!-- Content: xsl:with-param* -->
+ * </xsl:call-template>
+ */
+typedef struct _xsltStyleItemCallTemplate xsltStyleItemCallTemplate;
+typedef xsltStyleItemCallTemplate *xsltStyleItemCallTemplatePtr;
+
+struct _xsltStyleItemCallTemplate {
+    XSLT_ITEM_COMMON_FIELDS
+
+    xsltTemplatePtr templ;	/* call-template */
+    const xmlChar *name;	/* element, attribute, pi */
+    int      has_name;		/* element, attribute, pi */
+    const xmlChar *ns;		/* element */
+    int      has_ns;		/* element */
+    /* TODO: with-params */
+};
+
+/**
+ * xsltStyleItemCopy:
+ *
+ * <!-- Category: instruction -->
+ * <xsl:copy
+ *  use-attribute-sets = qnames>
+ *  <!-- Content: template -->
+ * </xsl:copy>
+ */
+typedef struct _xsltStyleItemCopy xsltStyleItemCopy;
+typedef xsltStyleItemCopy *xsltStyleItemCopyPtr;
+
+struct _xsltStyleItemCopy {
+   XSLT_ITEM_COMMON_FIELDS
+    const xmlChar *use;		/* copy, element */
+    int      has_use;		/* copy, element */
+};
+
+/**
+ * xsltStyleItemIf:
+ *
+ * <!-- Category: instruction -->
+ *  <xsl:if
+ *  test = boolean-expression>
+ *  <!-- Content: template -->
+ * </xsl:if>
+ */
+typedef struct _xsltStyleItemIf xsltStyleItemIf;
+typedef xsltStyleItemIf *xsltStyleItemIfPtr;
+
+struct _xsltStyleItemIf {
+    XSLT_ITEM_COMMON_FIELDS
+
+    const xmlChar *test;	/* if */
+    xmlXPathCompExprPtr comp;	/* a precompiled XPath expression */
+};
+
+
+/**
+ * xsltStyleItemCopyOf:
+ *
+ * <!-- Category: instruction -->
+ * <xsl:copy-of
+ *  select = expression />
+ */
+typedef xsltStyleBasicExpressionItem xsltStyleItemCopyOf;
+typedef xsltStyleItemCopyOf *xsltStyleItemCopyOfPtr;
+
+/**
+ * xsltStyleItemValueOf:
+ *
+ * <!-- Category: instruction -->
+ * <xsl:value-of
+ *  select = string-expression
+ *  disable-output-escaping = "yes" | "no" />
+ */
+typedef struct _xsltStyleItemValueOf xsltStyleItemValueOf;
+typedef xsltStyleItemValueOf *xsltStyleItemValueOfPtr;
+
+struct _xsltStyleItemValueOf {
+    XSLT_ITEM_COMMON_FIELDS
+
+    const xmlChar *select;
+    xmlXPathCompExprPtr comp;	/* a precompiled XPath expression */
+    int      noescape;
+};
+
+/**
+ * xsltStyleItemNumber:
+ *
+ * <!-- Category: instruction -->
+ *  <xsl:number
+ *  level = "single" | "multiple" | "any"
+ *  count = pattern
+ *  from = pattern
+ *  value = number-expression
+ *  format = { string }
+ *  lang = { nmtoken }
+ *  letter-value = { "alphabetic" | "traditional" }
+ *  grouping-separator = { char }
+ *  grouping-size = { number } />
+ */
+typedef struct _xsltStyleItemNumber xsltStyleItemNumber;
+typedef xsltStyleItemNumber *xsltStyleItemNumberPtr;
+
+struct _xsltStyleItemNumber {
+    XSLT_ITEM_COMMON_FIELDS
+    xsltNumberData numdata;	/* number */
+};
+
+/**
+ * xsltStyleItemChoose:
+ *
+ * <!-- Category: instruction -->
+ *  <xsl:choose>
+ *  <!-- Content: (xsl:when+, xsl:otherwise?) -->
+ * </xsl:choose>
+ */
+typedef xsltStyleBasicEmptyItem xsltStyleItemChoose;
+typedef xsltStyleItemChoose *xsltStyleItemChoosePtr;
+
+/**
+ * xsltStyleItemFallback:
+ *
+ * <!-- Category: instruction -->
+ *  <xsl:fallback>
+ *  <!-- Content: template -->
+ * </xsl:fallback>
+ */
+typedef xsltStyleBasicEmptyItem xsltStyleItemFallback;
+typedef xsltStyleItemFallback *xsltStyleItemFallbackPtr;
+
+/**
+ * xsltStyleItemForEach:
+ *
+ * <!-- Category: instruction -->
+ * <xsl:for-each
+ *   select = node-set-expression>
+ *   <!-- Content: (xsl:sort*, template) -->
+ * </xsl:for-each>
+ */
+typedef xsltStyleBasicExpressionItem xsltStyleItemForEach;
+typedef xsltStyleItemForEach *xsltStyleItemForEachPtr;
+
+/**
+ * xsltStyleItemMessage:
+ *
+ * <!-- Category: instruction -->
+ * <xsl:message
+ *   terminate = "yes" | "no">
+ *   <!-- Content: template -->
+ * </xsl:message>
+ */
+typedef struct _xsltStyleItemMessage xsltStyleItemMessage;
+typedef xsltStyleItemMessage *xsltStyleItemMessagePtr;
+
+struct _xsltStyleItemMessage {
+    XSLT_ITEM_COMMON_FIELDS
+    int terminate;
+};
+
+/**
+ * xsltStyleItemDocument:
+ *
+ * NOTE: This is not an instruction of XSLT 1.0.
+ */
+typedef struct _xsltStyleItemDocument xsltStyleItemDocument;
+typedef xsltStyleItemDocument *xsltStyleItemDocumentPtr;
+
+struct _xsltStyleItemDocument {
+    XSLT_ITEM_COMMON_FIELDS
+    int      ver11;		/* assigned: in xsltDocumentComp;
+                                  read: nowhere;
+                                  TODO: Check if we need. */
+    const xmlChar *filename;	/* document URL */
+    int has_filename;
+};
+
+/************************************************************************
+ *									*
+ * Non-instructions (actually properties of instructions/declarations)  *
+ *									*
+ ************************************************************************/
+
+/**
+ * xsltStyleBasicItemVariable:
+ *
+ * Basic struct for xsl:variable, xsl:param and xsl:with-param.
+ * It's currently important to have equal fields, since
+ * xsltParseStylesheetCallerParam() is used with xsl:with-param from
+ * the xslt side and with xsl:param from the exslt side (in
+ * exsltFuncFunctionFunction()).
+ *
+ * FUTURE NOTE: In XSLT 2.0 xsl:param, xsl:variable and xsl:with-param
+ *   have additional different fields.
+ */
+typedef struct _xsltStyleBasicItemVariable xsltStyleBasicItemVariable;
+typedef xsltStyleBasicItemVariable *xsltStyleBasicItemVariablePtr;
+
+struct _xsltStyleBasicItemVariable {
+    XSLT_ITEM_COMMON_FIELDS
+
+    const xmlChar *select;
+    xmlXPathCompExprPtr comp;
+
+    const xmlChar *name;
+    int      has_name;
+    const xmlChar *ns;
+    int      has_ns;
+};
+
+/**
+ * xsltStyleItemVariable:
+ *
+ * <!-- Category: top-level-element -->
+ * <xsl:param
+ *   name = qname
+ *   select = expression>
+ *   <!-- Content: template -->
+ * </xsl:param>
+ */
+typedef xsltStyleBasicItemVariable xsltStyleItemVariable;
+typedef xsltStyleItemVariable *xsltStyleItemVariablePtr;
+
+/**
+ * xsltStyleItemParam:
+ *
+ * <!-- Category: top-level-element -->
+ * <xsl:param
+ *   name = qname
+ *   select = expression>
+ *   <!-- Content: template -->
+ * </xsl:param>
+ */
+typedef struct _xsltStyleItemParam xsltStyleItemParam;
+typedef xsltStyleItemParam *xsltStyleItemParamPtr;
+
+struct _xsltStyleItemParam {
+    XSLT_ITEM_COMMON_FIELDS
+
+    const xmlChar *select;
+    xmlXPathCompExprPtr comp;
+
+    const xmlChar *name;
+    int      has_name;
+    const xmlChar *ns;
+    int      has_ns;
+};
+
+/**
+ * xsltStyleItemWithParam:
+ *
+ * <xsl:with-param
+ *  name = qname
+ *  select = expression>
+ *  <!-- Content: template -->
+ * </xsl:with-param>
+ */
+typedef xsltStyleBasicItemVariable xsltStyleItemWithParam;
+typedef xsltStyleItemWithParam *xsltStyleItemWithParamPtr;
+
+/**
+ * xsltStyleItemSort:
+ *
+ * Reflects the XSLT xsl:sort item.
+ * Allowed parents: xsl:apply-templates, xsl:for-each
+ * <xsl:sort
+ *   select = string-expression
+ *   lang = { nmtoken }
+ *   data-type = { "text" | "number" | qname-but-not-ncname }
+ *   order = { "ascending" | "descending" }
+ *   case-order = { "upper-first" | "lower-first" } />
+ */
+typedef struct _xsltStyleItemSort xsltStyleItemSort;
+typedef xsltStyleItemSort *xsltStyleItemSortPtr;
+
+struct _xsltStyleItemSort {
+    XSLT_ITEM_COMMON_FIELDS
+
+    const xmlChar *stype;       /* sort */
+    int      has_stype;		/* sort */
+    int      number;		/* sort */
+    const xmlChar *order;	/* sort */
+    int      has_order;		/* sort */
+    int      descending;	/* sort */
+    const xmlChar *lang;	/* sort */
+    int      has_lang;		/* sort */
+    xsltLocale locale;		/* sort */
+    const xmlChar *case_order;	/* sort */
+    int      lower_first;	/* sort */
+
+    const xmlChar *use;
+    int      has_use;
+
+    const xmlChar *select;	/* sort, copy-of, value-of, apply-templates */
+
+    xmlXPathCompExprPtr comp;	/* a precompiled XPath expression */
+};
+
+
+/**
+ * xsltStyleItemWhen:
+ *
+ * <xsl:when
+ *   test = boolean-expression>
+ *   <!-- Content: template -->
+ * </xsl:when>
+ * Allowed parent: xsl:choose
+ */
+typedef struct _xsltStyleItemWhen xsltStyleItemWhen;
+typedef xsltStyleItemWhen *xsltStyleItemWhenPtr;
+
+struct _xsltStyleItemWhen {
+    XSLT_ITEM_COMMON_FIELDS
+
+    const xmlChar *test;
+    xmlXPathCompExprPtr comp;
+};
+
+/**
+ * xsltStyleItemOtherwise:
+ *
+ * Allowed parent: xsl:choose
+ * <xsl:otherwise>
+ *   <!-- Content: template -->
+ * </xsl:otherwise>
+ */
+typedef struct _xsltStyleItemOtherwise xsltStyleItemOtherwise;
+typedef xsltStyleItemOtherwise *xsltStyleItemOtherwisePtr;
+
+struct _xsltStyleItemOtherwise {
+    XSLT_ITEM_COMMON_FIELDS
+};
+
+typedef struct _xsltStyleItemInclude xsltStyleItemInclude;
+typedef xsltStyleItemInclude *xsltStyleItemIncludePtr;
+
+struct _xsltStyleItemInclude {
+    XSLT_ITEM_COMMON_FIELDS
+    xsltDocumentPtr include;
+};
+
+/************************************************************************
+ *									*
+ *  XSLT elements in forwards-compatible mode                           *
+ *									*
+ ************************************************************************/
+
+typedef struct _xsltStyleItemUknown xsltStyleItemUknown;
+typedef xsltStyleItemUknown *xsltStyleItemUknownPtr;
+struct _xsltStyleItemUknown {
+    XSLT_ITEM_COMMON_FIELDS
+};
+
+
+/************************************************************************
+ *									*
+ *  Extension elements                                                  *
+ *									*
+ ************************************************************************/
+
+/*
+ * xsltStyleItemExtElement:
+ *
+ * Reflects extension elements.
+ *
+ * NOTE: Due to the fact that the structure xsltElemPreComp is most
+ * probably already heavily in use out there by users, so we cannot
+ * easily change it, we'll create an intermediate structure which will
+ * hold an xsltElemPreCompPtr.
+ * BIG NOTE: The only problem I see here is that the user processes the
+ *  content of the stylesheet tree, possibly he'll lookup the node->psvi
+ *  fields in order to find subsequent extension functions.
+ *  In this case, the user's code will break, since the node->psvi
+ *  field will hold now the xsltStyleItemExtElementPtr and not
+ *  the xsltElemPreCompPtr.
+ *  However the place where the structure is anchored in the node-tree,
+ *  namely node->psvi, has beed already once been moved from node->_private
+ *  to node->psvi, so we have a precedent here, which, I think, should allow
+ *  us to change such semantics without headaches.
+ */
+typedef struct _xsltStyleItemExtElement xsltStyleItemExtElement;
+typedef xsltStyleItemExtElement *xsltStyleItemExtElementPtr;
+struct _xsltStyleItemExtElement {
+    XSLT_ITEM_COMMON_FIELDS
+    xsltElemPreCompPtr item;
+};
+
+/************************************************************************
+ *									*
+ *  Literal result elements                                             *
+ *									*
+ ************************************************************************/
+
+typedef struct _xsltEffectiveNs xsltEffectiveNs;
+typedef xsltEffectiveNs *xsltEffectiveNsPtr;
+struct _xsltEffectiveNs {
+    xsltEffectiveNsPtr nextInStore; /* storage next */
+    xsltEffectiveNsPtr next; /* next item in the list */
+    const xmlChar *prefix;
+    const xmlChar *nsName;
+    /*
+    * Indicates if eclared on the literal result element; dunno if really
+    * needed.
+    */
+    int holdByElem;
+};
+
+/*
+ * Info for literal result elements.
+ * This will be set on the elem->psvi field and will be
+ * shared by literal result elements, which have the same
+ * excluded result namespaces; i.e., this *won't* be created uniquely
+ * for every literal result element.
+ */
+typedef struct _xsltStyleItemLRElementInfo xsltStyleItemLRElementInfo;
+typedef xsltStyleItemLRElementInfo *xsltStyleItemLRElementInfoPtr;
+struct _xsltStyleItemLRElementInfo {
+    XSLT_ITEM_COMMON_FIELDS
+    /*
+    * @effectiveNs is the set of effective ns-nodes
+    *  on the literal result element, which will be added to the result
+    *  element if not already existing in the result tree.
+    *  This means that excluded namespaces (via exclude-result-prefixes,
+    *  extension-element-prefixes and the XSLT namespace) not added
+    *  to the set.
+    *  Namespace-aliasing was applied on the @effectiveNs.
+    */
+    xsltEffectiveNsPtr effectiveNs;
+
+};
+
+#ifdef XSLT_REFACTORED
+
+typedef struct _xsltNsAlias xsltNsAlias;
+typedef xsltNsAlias *xsltNsAliasPtr;
+struct _xsltNsAlias {
+    xsltNsAliasPtr next; /* next in the list */
+    xmlNsPtr literalNs;
+    xmlNsPtr targetNs;
+    xmlDocPtr docOfTargetNs;
+};
+#endif
+
+#ifdef XSLT_REFACTORED_XSLT_NSCOMP
+
+typedef struct _xsltNsMap xsltNsMap;
+typedef xsltNsMap *xsltNsMapPtr;
+struct _xsltNsMap {
+    xsltNsMapPtr next; /* next in the list */
+    xmlDocPtr doc;
+    xmlNodePtr elem; /* the element holding the ns-decl */
+    xmlNsPtr ns; /* the xmlNs structure holding the XML namespace name */
+    const xmlChar *origNsName; /* the original XML namespace name */
+    const xmlChar *newNsName; /* the mapped XML namespace name */
+};
+#endif
+
+/************************************************************************
+ *									*
+ *  Compile-time structures for *internal* use only                     *
+ *									*
+ ************************************************************************/
+
+typedef struct _xsltPrincipalStylesheetData xsltPrincipalStylesheetData;
+typedef xsltPrincipalStylesheetData *xsltPrincipalStylesheetDataPtr;
+
+typedef struct _xsltNsList xsltNsList;
+typedef xsltNsList *xsltNsListPtr;
+struct _xsltNsList {
+    xsltNsListPtr next; /* next in the list */
+    xmlNsPtr ns;
+};
+
+/*
+* xsltVarInfo:
+*
+* Used at compilation time for parameters and variables.
+*/
+typedef struct _xsltVarInfo xsltVarInfo;
+typedef xsltVarInfo *xsltVarInfoPtr;
+struct _xsltVarInfo {
+    xsltVarInfoPtr next; /* next in the list */
+    xsltVarInfoPtr prev;
+    int depth; /* the depth in the tree */
+    const xmlChar *name;
+    const xmlChar *nsName;
+};
+
+/**
+ * xsltCompilerNodeInfo:
+ *
+ * Per-node information during compile-time.
+ */
+typedef struct _xsltCompilerNodeInfo xsltCompilerNodeInfo;
+typedef xsltCompilerNodeInfo *xsltCompilerNodeInfoPtr;
+struct _xsltCompilerNodeInfo {
+    xsltCompilerNodeInfoPtr next;
+    xsltCompilerNodeInfoPtr prev;
+    xmlNodePtr node;
+    int depth;
+    xsltTemplatePtr templ;   /* The owning template */
+    int category;	     /* XSLT element, LR-element or
+                                extension element */
+    xsltStyleType type;
+    xsltElemPreCompPtr item; /* The compiled information */
+    /* The current in-scope namespaces */
+    xsltNsListContainerPtr inScopeNs;
+    /* The current excluded result namespaces */
+    xsltPointerListPtr exclResultNs;
+    /* The current extension instruction namespaces */
+    xsltPointerListPtr extElemNs;
+
+    /* The current info for literal result elements. */
+    xsltStyleItemLRElementInfoPtr litResElemInfo;
+    /*
+    * Set to 1 if in-scope namespaces changed,
+    *  or excluded result namespaces changed,
+    *  or extension element namespaces changed.
+    * This will trigger creation of new infos
+    *  for literal result elements.
+    */
+    int nsChanged;
+    int preserveWhitespace;
+    int stripWhitespace;
+    int isRoot; /* whether this is the stylesheet's root node */
+    int forwardsCompat; /* whether forwards-compatible mode is enabled */
+    /* whether the content of an extension element was processed */
+    int extContentHandled;
+    /* the type of the current child */
+    xsltStyleType curChildType;
+};
+
+/**
+ * XSLT_CCTXT:
+ *
+ * get pointer to compiler context
+ */
+#define XSLT_CCTXT(style) ((xsltCompilerCtxtPtr) style->compCtxt)
+
+typedef enum {
+    XSLT_ERROR_SEVERITY_ERROR = 0,
+    XSLT_ERROR_SEVERITY_WARNING
+} xsltErrorSeverityType;
+
+typedef struct _xsltCompilerCtxt xsltCompilerCtxt;
+typedef xsltCompilerCtxt *xsltCompilerCtxtPtr;
+struct _xsltCompilerCtxt {
+    void *errorCtxt;            /* user specific error context */
+    /*
+    * used for error/warning reports; e.g. XSLT_ERROR_SEVERITY_WARNING */
+    xsltErrorSeverityType errSeverity;
+    int warnings;		/* TODO: number of warnings found at
+                                   compilation */
+    int errors;			/* TODO: number of errors found at
+                                   compilation */
+    xmlDictPtr dict;
+    xsltStylesheetPtr style;
+    int simplified; /* whether this is a simplified stylesheet */
+    /* TODO: structured/unstructured error contexts. */
+    int depth; /* Current depth of processing */
+
+    xsltCompilerNodeInfoPtr inode;
+    xsltCompilerNodeInfoPtr inodeList;
+    xsltCompilerNodeInfoPtr inodeLast;
+    xsltPointerListPtr tmpList; /* Used for various purposes */
+    /*
+    * The XSLT version as specified by the stylesheet's root element.
+    */
+    int isInclude;
+    int hasForwardsCompat; /* whether forwards-compatible mode was used
+			     in a parsing episode */
+    int maxNodeInfos; /* TEMP TODO: just for the interest */
+    int maxLREs;  /* TEMP TODO: just for the interest */
+    /*
+    * In order to keep the old behaviour, applying strict rules of
+    * the spec can be turned off. This has effect only on special
+    * mechanisms like whitespace-stripping in the stylesheet.
+    */
+    int strict;
+    xsltPrincipalStylesheetDataPtr psData;
+    xsltStyleItemUknownPtr unknownItem;
+    int hasNsAliases; /* Indicator if there was an xsl:namespace-alias. */
+    xsltNsAliasPtr nsAliases;
+    xsltVarInfoPtr ivars; /* Storage of local in-scope variables/params. */
+    xsltVarInfoPtr ivar; /* topmost local variable/param. */
+};
+
+#else /* XSLT_REFACTORED */
+/*
+* The old structures before refactoring.
+*/
+
+/**
+ * _xsltStylePreComp:
+ *
+ * The in-memory structure corresponding to XSLT stylesheet constructs
+ * precomputed data.
+ */
+struct _xsltStylePreComp {
+    xsltElemPreCompPtr next;	/* chained list */
+    xsltStyleType type;		/* type of the element */
+    xsltTransformFunction func; /* handling function */
+    xmlNodePtr inst;		/* the instruction */
+
+    /*
+     * Pre computed values.
+     */
+
+    const xmlChar *stype;       /* sort */
+    int      has_stype;		/* sort */
+    int      number;		/* sort */
+    const xmlChar *order;	/* sort */
+    int      has_order;		/* sort */
+    int      descending;	/* sort */
+    const xmlChar *lang;	/* sort */
+    int      has_lang;		/* sort */
+    xsltLocale locale;		/* sort */
+    const xmlChar *case_order;	/* sort */
+    int      lower_first;	/* sort */
+
+    const xmlChar *use;		/* copy, element */
+    int      has_use;		/* copy, element */
+
+    int      noescape;		/* text */
+
+    const xmlChar *name;	/* element, attribute, pi */
+    int      has_name;		/* element, attribute, pi */
+    const xmlChar *ns;		/* element */
+    int      has_ns;		/* element */
+
+    const xmlChar *mode;	/* apply-templates */
+    const xmlChar *modeURI;	/* apply-templates */
+
+    const xmlChar *test;	/* if */
+
+    xsltTemplatePtr templ;	/* call-template */
+
+    const xmlChar *select;	/* sort, copy-of, value-of, apply-templates */
+
+    int      ver11;		/* document */
+    const xmlChar *filename;	/* document URL */
+    int      has_filename;	/* document */
+
+    xsltNumberData numdata;	/* number */
+
+    xmlXPathCompExprPtr comp;	/* a precompiled XPath expression */
+    xmlNsPtr *nsList;		/* the namespaces in scope */
+    int nsNr;			/* the number of namespaces in scope */
+};
+
+#endif /* XSLT_REFACTORED */
+
+
+/*
+ * The in-memory structure corresponding to an XSLT Variable
+ * or Param.
+ */
+typedef struct _xsltStackElem xsltStackElem;
+typedef xsltStackElem *xsltStackElemPtr;
+struct _xsltStackElem {
+    struct _xsltStackElem *next;/* chained list */
+    xsltStylePreCompPtr comp;   /* the compiled form */
+    int computed;		/* was the evaluation done */
+    const xmlChar *name;	/* the local part of the name QName */
+    const xmlChar *nameURI;	/* the URI part of the name QName */
+    const xmlChar *select;	/* the eval string */
+    xmlNodePtr tree;		/* the sequence constructor if no eval
+				    string or the location */
+    xmlXPathObjectPtr value;	/* The value if computed */
+    xmlDocPtr fragment;		/* The Result Tree Fragments (needed for XSLT 1.0)
+				   which are bound to the variable's lifetime. */
+    int level;                  /* the depth in the tree;
+                                   -1 if persistent (e.g. a given xsl:with-param) */
+    xsltTransformContextPtr context; /* The transformation context; needed to cache
+                                        the variables */
+    int flags;
+};
+
+#ifdef XSLT_REFACTORED
+
+struct _xsltPrincipalStylesheetData {
+    /*
+    * Namespace dictionary for ns-prefixes and ns-names:
+    * TODO: Shared between stylesheets, and XPath mechanisms.
+    *   Not used yet.
+    */
+    xmlDictPtr namespaceDict;
+    /*
+    * Global list of in-scope namespaces.
+    */
+    xsltPointerListPtr inScopeNamespaces;
+    /*
+    * Global list of information for [xsl:]excluded-result-prefixes.
+    */
+    xsltPointerListPtr exclResultNamespaces;
+    /*
+    * Global list of information for [xsl:]extension-element-prefixes.
+    */
+    xsltPointerListPtr extElemNamespaces;
+    xsltEffectiveNsPtr effectiveNs;
+#ifdef XSLT_REFACTORED_XSLT_NSCOMP
+    /*
+    * Namespace name map to get rid of string comparison of namespace names.
+    */
+    xsltNsMapPtr nsMap;
+#endif
+};
+
+
+#endif
+/*
+ * Note that we added a @compCtxt field to anchor an stylesheet compilation
+ * context, since, due to historical reasons, various compile-time function
+ * take only the stylesheet as argument and not a compilation context.
+ */
+struct _xsltStylesheet {
+    /*
+     * The stylesheet import relation is kept as a tree.
+     */
+    struct _xsltStylesheet *parent;
+    struct _xsltStylesheet *next;
+    struct _xsltStylesheet *imports;
+
+    xsltDocumentPtr docList;		/* the include document list */
+
+    /*
+     * General data on the style sheet document.
+     */
+    xmlDocPtr doc;		/* the parsed XML stylesheet */
+    xmlHashTablePtr stripSpaces;/* the hash table of the strip-space and
+				   preserve space elements */
+    int             stripAll;	/* strip-space * (1) preserve-space * (-1) */
+    xmlHashTablePtr cdataSection;/* the hash table of the cdata-section */
+
+    /*
+     * Global variable or parameters.
+     */
+    xsltStackElemPtr variables; /* linked list of param and variables */
+
+    /*
+     * Template descriptions.
+     */
+    xsltTemplatePtr templates;	/* the ordered list of templates */
+    void *templatesHash;	/* hash table or wherever compiled templates
+				   information is stored */
+    void *rootMatch;		/* template based on / */
+    void *keyMatch;		/* template based on key() */
+    void *elemMatch;		/* template based on * */
+    void *attrMatch;		/* template based on @* */
+    void *parentMatch;		/* template based on .. */
+    void *textMatch;		/* template based on text() */
+    void *piMatch;		/* template based on processing-instruction() */
+    void *commentMatch;		/* template based on comment() */
+
+    /*
+     * Namespace aliases.
+     * NOTE: Not used in the refactored code.
+     */
+    xmlHashTablePtr nsAliases;	/* the namespace alias hash tables */
+
+    /*
+     * Attribute sets.
+     */
+    xmlHashTablePtr attributeSets;/* the attribute sets hash tables */
+
+    /*
+     * Namespaces.
+     * TODO: Eliminate this.
+     */
+    xmlHashTablePtr nsHash;     /* the set of namespaces in use:
+                                   ATTENTION: This is used for
+                                   execution of XPath expressions; unfortunately
+                                   it restricts the stylesheet to have distinct
+                                   prefixes.
+				   TODO: We need to get rid of this.
+				 */
+    void           *nsDefs;     /* ATTENTION TODO: This is currently used to store
+				   xsltExtDefPtr (in extensions.c) and
+                                   *not* xmlNsPtr.
+				 */
+
+    /*
+     * Key definitions.
+     */
+    void *keys;			/* key definitions */
+
+    /*
+     * Output related stuff.
+     */
+    xmlChar *method;		/* the output method */
+    xmlChar *methodURI;		/* associated namespace if any */
+    xmlChar *version;		/* version string */
+    xmlChar *encoding;		/* encoding string */
+    int omitXmlDeclaration;     /* omit-xml-declaration = "yes" | "no" */
+
+    /*
+     * Number formatting.
+     */
+    xsltDecimalFormatPtr decimalFormat;
+    int standalone;             /* standalone = "yes" | "no" */
+    xmlChar *doctypePublic;     /* doctype-public string */
+    xmlChar *doctypeSystem;     /* doctype-system string */
+    int indent;			/* should output being indented */
+    xmlChar *mediaType;		/* media-type string */
+
+    /*
+     * Precomputed blocks.
+     */
+    xsltElemPreCompPtr preComps;/* list of precomputed blocks */
+    int warnings;		/* number of warnings found at compilation */
+    int errors;			/* number of errors found at compilation */
+
+    xmlChar  *exclPrefix;	/* last excluded prefixes */
+    xmlChar **exclPrefixTab;	/* array of excluded prefixes */
+    int       exclPrefixNr;	/* number of excluded prefixes in scope */
+    int       exclPrefixMax;	/* size of the array */
+
+    void     *_private;		/* user defined data */
+
+    /*
+     * Extensions.
+     */
+    xmlHashTablePtr extInfos;	/* the extension data */
+    int		    extrasNr;	/* the number of extras required */
+
+    /*
+     * For keeping track of nested includes
+     */
+    xsltDocumentPtr includes;	/* points to last nested include */
+
+    /*
+     * dictionary: shared between stylesheet, context and documents.
+     */
+    xmlDictPtr dict;
+    /*
+     * precompiled attribute value templates.
+     */
+    void *attVTs;
+    /*
+     * if namespace-alias has an alias for the default stylesheet prefix
+     * NOTE: Not used in the refactored code.
+     */
+    const xmlChar *defaultAlias;
+    /*
+     * bypass pre-processing (already done) (used in imports)
+     */
+    int nopreproc;
+    /*
+     * all document text strings were internalized
+     */
+    int internalized;
+    /*
+     * Literal Result Element as Stylesheet c.f. section 2.3
+     */
+    int literal_result;
+    /*
+    * The principal stylesheet
+    */
+    xsltStylesheetPtr principal;
+#ifdef XSLT_REFACTORED
+    /*
+    * Compilation context used during compile-time.
+    */
+    xsltCompilerCtxtPtr compCtxt; /* TODO: Change this to (void *). */
+
+    xsltPrincipalStylesheetDataPtr principalData;
+#endif
+    /*
+     * Forwards-compatible processing
+     */
+    int forwards_compatible;
+
+    xmlHashTablePtr namedTemplates; /* hash table of named templates */
+
+    xmlXPathContextPtr xpathCtxt;
+};
+
+typedef struct _xsltTransformCache xsltTransformCache;
+typedef xsltTransformCache *xsltTransformCachePtr;
+struct _xsltTransformCache {
+    xmlDocPtr RVT;
+    int nbRVT;
+    xsltStackElemPtr stackItems;
+    int nbStackItems;
+#ifdef XSLT_DEBUG_PROFILE_CACHE
+    int dbgCachedRVTs;
+    int dbgReusedRVTs;
+    int dbgCachedVars;
+    int dbgReusedVars;
+#endif
+};
+
+/*
+ * The in-memory structure corresponding to an XSLT Transformation.
+ */
+typedef enum {
+    XSLT_OUTPUT_XML = 0,
+    XSLT_OUTPUT_HTML,
+    XSLT_OUTPUT_TEXT
+} xsltOutputType;
+
+typedef enum {
+    XSLT_STATE_OK = 0,
+    XSLT_STATE_ERROR,
+    XSLT_STATE_STOPPED
+} xsltTransformState;
+
+struct _xsltTransformContext {
+    xsltStylesheetPtr style;		/* the stylesheet used */
+    xsltOutputType type;		/* the type of output */
+
+    xsltTemplatePtr  templ;		/* the current template */
+    int              templNr;		/* Nb of templates in the stack */
+    int              templMax;		/* Size of the templtes stack */
+    xsltTemplatePtr *templTab;		/* the template stack */
+
+    xsltStackElemPtr  vars;		/* the current variable list */
+    int               varsNr;		/* Nb of variable list in the stack */
+    int               varsMax;		/* Size of the variable list stack */
+    xsltStackElemPtr *varsTab;		/* the variable list stack */
+    int               varsBase;		/* the var base for current templ */
+
+    /*
+     * Extensions
+     */
+    xmlHashTablePtr   extFunctions;	/* the extension functions */
+    xmlHashTablePtr   extElements;	/* the extension elements */
+    xmlHashTablePtr   extInfos;		/* the extension data */
+
+    const xmlChar *mode;		/* the current mode */
+    const xmlChar *modeURI;		/* the current mode URI */
+
+    xsltDocumentPtr docList;		/* the document list */
+
+    xsltDocumentPtr document;		/* the current source document; can be NULL if an RTF */
+    xmlNodePtr node;			/* the current node being processed */
+    xmlNodeSetPtr nodeList;		/* the current node list */
+    /* xmlNodePtr current;			the node */
+
+    xmlDocPtr output;			/* the resulting document */
+    xmlNodePtr insert;			/* the insertion node */
+
+    xmlXPathContextPtr xpathCtxt;	/* the XPath context */
+    xsltTransformState state;		/* the current state */
+
+    /*
+     * Global variables
+     */
+    xmlHashTablePtr   globalVars;	/* the global variables and params */
+
+    xmlNodePtr inst;			/* the instruction in the stylesheet */
+
+    int xinclude;			/* should XInclude be processed */
+
+    const char *      outputFile;	/* the output URI if known */
+
+    int profile;                        /* is this run profiled */
+    long             prof;		/* the current profiled value */
+    int              profNr;		/* Nb of templates in the stack */
+    int              profMax;		/* Size of the templtaes stack */
+    long            *profTab;		/* the profile template stack */
+
+    void            *_private;		/* user defined data */
+
+    int              extrasNr;		/* the number of extras used */
+    int              extrasMax;		/* the number of extras allocated */
+    xsltRuntimeExtraPtr extras;		/* extra per runtime information */
+
+    xsltDocumentPtr  styleList;		/* the stylesheet docs list */
+    void                 * sec;		/* the security preferences if any */
+
+    xmlGenericErrorFunc  error;		/* a specific error handler */
+    void              * errctx;		/* context for the error handler */
+
+    xsltSortFunc      sortfunc;		/* a ctxt specific sort routine */
+
+    /*
+     * handling of temporary Result Value Tree
+     * (XSLT 1.0 term: "Result Tree Fragment")
+     */
+    xmlDocPtr       tmpRVT;		/* list of RVT without persistance */
+    xmlDocPtr       persistRVT;		/* list of persistant RVTs */
+    int             ctxtflags;          /* context processing flags */
+
+    /*
+     * Speed optimization when coalescing text nodes
+     */
+    const xmlChar  *lasttext;		/* last text node content */
+    int             lasttsize;		/* last text node size */
+    int             lasttuse;		/* last text node use */
+    /*
+     * Per Context Debugging
+     */
+    int debugStatus;			/* the context level debug status */
+    unsigned long* traceCode;		/* pointer to the variable holding the mask */
+
+    int parserOptions;			/* parser options xmlParserOption */
+
+    /*
+     * dictionary: shared between stylesheet, context and documents.
+     */
+    xmlDictPtr dict;
+    xmlDocPtr		tmpDoc; /* Obsolete; not used in the library. */
+    /*
+     * all document text strings are internalized
+     */
+    int internalized;
+    int nbKeys;
+    int hasTemplKeyPatterns;
+    xsltTemplatePtr currentTemplateRule; /* the Current Template Rule */
+    xmlNodePtr initialContextNode;
+    xmlDocPtr initialContextDoc;
+    xsltTransformCachePtr cache;
+    void *contextVariable; /* the current variable item */
+    xmlDocPtr localRVT; /* list of local tree fragments; will be freed when
+			   the instruction which created the fragment
+                           exits */
+    xmlDocPtr localRVTBase; /* Obsolete */
+    int keyInitLevel;   /* Needed to catch recursive keys issues */
+    int depth;          /* Needed to catch recursions */
+    int maxTemplateDepth;
+    int maxTemplateVars;
+    unsigned long opLimit;
+    unsigned long opCount;
+};
+
+/**
+ * CHECK_STOPPED:
+ *
+ * Macro to check if the XSLT processing should be stopped.
+ * Will return from the function.
+ */
+#define CHECK_STOPPED if (ctxt->state == XSLT_STATE_STOPPED) return;
+
+/**
+ * CHECK_STOPPEDE:
+ *
+ * Macro to check if the XSLT processing should be stopped.
+ * Will goto the error: label.
+ */
+#define CHECK_STOPPEDE if (ctxt->state == XSLT_STATE_STOPPED) goto error;
+
+/**
+ * CHECK_STOPPED0:
+ *
+ * Macro to check if the XSLT processing should be stopped.
+ * Will return from the function with a 0 value.
+ */
+#define CHECK_STOPPED0 if (ctxt->state == XSLT_STATE_STOPPED) return(0);
+
+/*
+ * The macro XML_CAST_FPTR is a hack to avoid a gcc warning about
+ * possible incompatibilities between function pointers and object
+ * pointers.  It is defined in libxml/hash.h within recent versions
+ * of libxml2, but is put here for compatibility.
+ */
+#ifndef XML_CAST_FPTR
+/**
+ * XML_CAST_FPTR:
+ * @fptr:  pointer to a function
+ *
+ * Macro to do a casting from an object pointer to a
+ * function pointer without encountering a warning from
+ * gcc
+ *
+ * #define XML_CAST_FPTR(fptr) (*(void **)(&fptr))
+ * This macro violated ISO C aliasing rules (gcc4 on s390 broke)
+ * so it is disabled now
+ */
+
+#define XML_CAST_FPTR(fptr) fptr
+#endif
+/*
+ * Functions associated to the internal types
+xsltDecimalFormatPtr	xsltDecimalFormatGetByName(xsltStylesheetPtr sheet,
+						   xmlChar *name);
+ */
+XSLTPUBFUN xsltStylesheetPtr XSLTCALL
+			xsltNewStylesheet	(void);
+XSLTPUBFUN xsltStylesheetPtr XSLTCALL
+			xsltParseStylesheetFile	(const xmlChar* filename);
+XSLTPUBFUN void XSLTCALL
+			xsltFreeStylesheet	(xsltStylesheetPtr style);
+XSLTPUBFUN int XSLTCALL
+			xsltIsBlank		(xmlChar *str);
+XSLTPUBFUN void XSLTCALL
+			xsltFreeStackElemList	(xsltStackElemPtr elem);
+XSLTPUBFUN xsltDecimalFormatPtr XSLTCALL
+			xsltDecimalFormatGetByName(xsltStylesheetPtr style,
+						 xmlChar *name);
+XSLTPUBFUN xsltDecimalFormatPtr XSLTCALL
+			xsltDecimalFormatGetByQName(xsltStylesheetPtr style,
+						 const xmlChar *nsUri,
+                                                 const xmlChar *name);
+
+XSLTPUBFUN xsltStylesheetPtr XSLTCALL
+			xsltParseStylesheetProcess(xsltStylesheetPtr ret,
+						 xmlDocPtr doc);
+XSLTPUBFUN void XSLTCALL
+			xsltParseStylesheetOutput(xsltStylesheetPtr style,
+						 xmlNodePtr cur);
+XSLTPUBFUN xsltStylesheetPtr XSLTCALL
+			xsltParseStylesheetDoc	(xmlDocPtr doc);
+XSLTPUBFUN xsltStylesheetPtr XSLTCALL
+			xsltParseStylesheetImportedDoc(xmlDocPtr doc,
+						xsltStylesheetPtr style);
+XSLTPUBFUN int XSLTCALL
+			xsltParseStylesheetUser(xsltStylesheetPtr style,
+						xmlDocPtr doc);
+XSLTPUBFUN xsltStylesheetPtr XSLTCALL
+			xsltLoadStylesheetPI	(xmlDocPtr doc);
+XSLTPUBFUN void XSLTCALL
+			xsltNumberFormat	(xsltTransformContextPtr ctxt,
+						 xsltNumberDataPtr data,
+						 xmlNodePtr node);
+XSLTPUBFUN xmlXPathError XSLTCALL
+			xsltFormatNumberConversion(xsltDecimalFormatPtr self,
+						 xmlChar *format,
+						 double number,
+						 xmlChar **result);
+
+XSLTPUBFUN void XSLTCALL
+			xsltParseTemplateContent(xsltStylesheetPtr style,
+						 xmlNodePtr templ);
+XSLTPUBFUN int XSLTCALL
+			xsltAllocateExtra	(xsltStylesheetPtr style);
+XSLTPUBFUN int XSLTCALL
+			xsltAllocateExtraCtxt	(xsltTransformContextPtr ctxt);
+/*
+ * Extra functions for Result Value Trees
+ */
+XSLTPUBFUN xmlDocPtr XSLTCALL
+			xsltCreateRVT		(xsltTransformContextPtr ctxt);
+XSLTPUBFUN int XSLTCALL
+			xsltRegisterTmpRVT	(xsltTransformContextPtr ctxt,
+						 xmlDocPtr RVT);
+XSLTPUBFUN int XSLTCALL
+			xsltRegisterLocalRVT	(xsltTransformContextPtr ctxt,
+						 xmlDocPtr RVT);
+XSLTPUBFUN int XSLTCALL
+			xsltRegisterPersistRVT	(xsltTransformContextPtr ctxt,
+						 xmlDocPtr RVT);
+XSLTPUBFUN int XSLTCALL
+			xsltExtensionInstructionResultRegister(
+						 xsltTransformContextPtr ctxt,
+						 xmlXPathObjectPtr obj);
+XSLTPUBFUN int XSLTCALL
+			xsltExtensionInstructionResultFinalize(
+						 xsltTransformContextPtr ctxt);
+XSLTPUBFUN int XSLTCALL
+			xsltFlagRVTs(
+						 xsltTransformContextPtr ctxt,
+						 xmlXPathObjectPtr obj,
+						 void *val);
+XSLTPUBFUN void XSLTCALL
+			xsltFreeRVTs		(xsltTransformContextPtr ctxt);
+XSLTPUBFUN void XSLTCALL
+			xsltReleaseRVT		(xsltTransformContextPtr ctxt,
+						 xmlDocPtr RVT);
+/*
+ * Extra functions for Attribute Value Templates
+ */
+XSLTPUBFUN void XSLTCALL
+			xsltCompileAttr		(xsltStylesheetPtr style,
+						 xmlAttrPtr attr);
+XSLTPUBFUN xmlChar * XSLTCALL
+			xsltEvalAVT		(xsltTransformContextPtr ctxt,
+						 void *avt,
+						 xmlNodePtr node);
+XSLTPUBFUN void XSLTCALL
+			xsltFreeAVTList		(void *avt);
+
+/*
+ * Extra function for successful xsltCleanupGlobals / xsltInit sequence.
+ */
+
+XSLTPUBFUN void XSLTCALL
+			xsltUninit		(void);
+
+/************************************************************************
+ *									*
+ *  Compile-time functions for *internal* use only                      *
+ *									*
+ ************************************************************************/
+
+#ifdef XSLT_REFACTORED
+XSLTPUBFUN void XSLTCALL
+			xsltParseSequenceConstructor(
+						 xsltCompilerCtxtPtr cctxt,
+						 xmlNodePtr start);
+XSLTPUBFUN int XSLTCALL
+			xsltParseAnyXSLTElem	(xsltCompilerCtxtPtr cctxt,
+						 xmlNodePtr elem);
+#ifdef XSLT_REFACTORED_XSLT_NSCOMP
+XSLTPUBFUN int XSLTCALL
+			xsltRestoreDocumentNamespaces(
+						 xsltNsMapPtr ns,
+						 xmlDocPtr doc);
+#endif
+#endif /* XSLT_REFACTORED */
+
+/************************************************************************
+ *									*
+ *  Transformation-time functions for *internal* use only               *
+ *									*
+ ************************************************************************/
+XSLTPUBFUN int XSLTCALL
+			xsltInitCtxtKey		(xsltTransformContextPtr ctxt,
+						 xsltDocumentPtr doc,
+						 xsltKeyDefPtr keyd);
+XSLTPUBFUN int XSLTCALL
+			xsltInitAllDocKeys	(xsltTransformContextPtr ctxt);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __XML_XSLT_H__ */
+