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/*
* 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 */
/**
* XSLT_REFACTORED_XPATHCOMP:
*
* Internal define to enable the optimization of the
* compilation of XPath expressions.
*/
#define XSLT_REFACTORED_XPATHCOMP
#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 informations */
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 hold 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 hold 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;
#ifdef XSLT_REFACTORED_XPATHCOMP
xmlXPathContextPtr xpathCtxt;
#endif
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
informations are 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 */
};
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 informations */
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;
};
/**
* 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 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__ */