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e0dfbada8a
- libxslt/functions.c libxslt/transform.c libxslt/xsltInternals.h: fixed current() I hope Daniel
255 lines
7.9 KiB
C
255 lines
7.9 KiB
C
/*
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* xsltInternals.h: internal data structures, constants and functions used
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* by the XSLT engine
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*
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* See Copyright for the status of this software.
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*
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* Daniel.Veillard@imag.fr
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*/
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#ifndef __XML_XSLT_INTERNALS_H__
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#define __XML_XSLT_INTERNALS_H__
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#include <libxml/tree.h>
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#include <libxml/hash.h>
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#include <libxml/xpath.h>
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#include <libxslt/xslt.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* The in-memory structure corresponding to an XSLT Variable
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* or Param
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*/
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typedef enum {
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XSLT_ELEM_VARIABLE=1,
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XSLT_ELEM_PARAM
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} xsltElem;
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typedef struct _xsltStackElem xsltStackElem;
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typedef xsltStackElem *xsltStackElemPtr;
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struct _xsltStackElem {
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struct _xsltStackElem *next;/* chained list */
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xsltElem type; /* type of the element */
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int computed; /* was the evaluation done */
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xmlChar *name; /* the local part of the name QName */
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xmlChar *nameURI; /* the URI part of the name QName */
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xmlChar *select; /* the eval string */
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xmlNodePtr tree; /* the tree if no eval string */
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xmlXPathObjectPtr value; /* The value if computed */
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};
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/*
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* The in-memory structure corresponding to an XSLT Template
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*/
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#define XSLT_PAT_NO_PRIORITY -12345789
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typedef struct _xsltTemplate xsltTemplate;
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typedef xsltTemplate *xsltTemplatePtr;
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struct _xsltTemplate {
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struct _xsltTemplate *next;/* chained list sorted by priority */
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struct _xsltStylesheet *style;/* the containing stylesheet */
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xmlChar *match; /* the matching string */
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float priority; /* as given from the stylesheet, not computed */
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xmlChar *name; /* the local part of the name QName */
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xmlChar *nameURI; /* the URI part of the name QName */
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xmlChar *mode; /* the local part of the mode QName */
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xmlChar *modeURI; /* the URI part of the mode QName */
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xmlNodePtr content; /* the template replacement value */
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xmlNodePtr elem; /* the source element */
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};
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/*
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* Data structure of decimal-format
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*/
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typedef struct _xsltDecimalFormat {
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struct _xsltDecimalFormat *next; /* chained list */
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xmlChar *name;
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/* Used for interpretation of pattern */
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xmlChar *digit;
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xmlChar *patternSeparator;
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/* May appear in result */
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xmlChar *minusSign;
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xmlChar *infinity;
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xmlChar *noNumber; /* Not-a-number */
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/* Used for interpretation of pattern and may appear in result */
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xmlChar *decimalPoint;
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xmlChar *grouping;
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xmlChar *percent;
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xmlChar *permille;
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xmlChar *zeroDigit;
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} xsltDecimalFormat, *xsltDecimalFormatPtr;
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/*
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* Data structure associated to a document
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*/
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typedef struct _xsltDocument xsltDocument;
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typedef xsltDocument *xsltDocumentPtr;
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struct _xsltDocument {
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struct _xsltDocument *next; /* documents are kept in a chained list */
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int main; /* is this the main document */
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xmlDocPtr doc; /* the parsed document */
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void *keys; /* key tables storage */
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};
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/*
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* The in-memory structure corresponding to an XSLT Stylesheet
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* NOTE: most of the content is simply linked from the doc tree
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* structure, no specific allocation is made.
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*/
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typedef struct _xsltStylesheet xsltStylesheet;
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typedef xsltStylesheet *xsltStylesheetPtr;
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struct _xsltStylesheet {
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/*
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* The stylesheet import relation is kept as a tree
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*/
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struct _xsltStylesheet *parent;
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struct _xsltStylesheet *next;
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struct _xsltStylesheet *imports;
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xsltDocumentPtr docList; /* the include document list */
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/*
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* General data on the style sheet document
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*/
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xmlDocPtr doc; /* the parsed XML stylesheet */
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xmlHashTablePtr stripSpaces;/* the hash table of the strip-space
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preserve space and cdata-section elements */
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/*
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* Global variable or parameters
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*/
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xsltStackElemPtr variables; /* linked list of param and variables */
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/*
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* Template descriptions
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*/
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xsltTemplatePtr templates; /* the ordered list of templates */
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void *templatesHash; /* hash table or wherever compiled templates
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informations are stored */
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void *rootMatch; /* template based on / */
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void *keyMatch; /* template based on key() */
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void *elemMatch; /* template based on * */
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void *attrMatch; /* template based on @* */
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void *parentMatch; /* template based on .. */
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void *textMatch; /* template based on text() */
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void *piMatch; /* template based on processing-instruction() */
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void *commentMatch; /* template based on comment() */
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/*
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* Namespace aliases
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*/
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xmlHashTablePtr nsAliases; /* the namespace alias hash tables */
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/*
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* Attribute sets
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*/
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xmlHashTablePtr attributeSets;/* the attribute sets hash tables */
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/*
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* Attribute sets
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*/
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xmlHashTablePtr nsHash; /* the set of namespaces in use */
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/*
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* Key definitions
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*/
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void *keys; /* key definitions */
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/*
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* Output related stuff.
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*/
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xmlChar *method; /* the output method */
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xmlChar *methodURI; /* associated namespace if any */
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xmlChar *version; /* version string */
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xmlChar *encoding; /* encoding string */
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int omitXmlDeclaration; /* omit-xml-declaration = "yes" | "no" */
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/* Number formatting */
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xsltDecimalFormatPtr decimalFormat;
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int standalone; /* standalone = "yes" | "no" */
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xmlChar *doctypePublic; /* doctype-public string */
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xmlChar *doctypeSystem; /* doctype-system string */
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int indent; /* should output being indented */
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xmlChar *mediaType; /* media-type string */
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};
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/*
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* The in-memory structure corresponding to an XSLT Transformation
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*/
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typedef enum {
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XSLT_OUTPUT_XML = 0,
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XSLT_OUTPUT_HTML,
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XSLT_OUTPUT_TEXT
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} xsltOutputType;
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typedef enum {
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XSLT_STATE_OK = 0,
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XSLT_STATE_ERROR,
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XSLT_STATE_STOPPED
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} xsltTransformState;
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typedef struct _xsltTransformContext xsltTransformContext;
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typedef xsltTransformContext *xsltTransformContextPtr;
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struct _xsltTransformContext {
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xsltStylesheetPtr style; /* the stylesheet used */
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xsltOutputType type; /* the type of output */
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xsltTemplatePtr templ; /* the current template */
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int templNr; /* Nb of templates in the stack */
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int templMax; /* Size of the templtes stack */
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xsltTemplatePtr *templTab; /* the template stack */
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xsltStackElemPtr vars; /* the current variable list */
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int varsNr; /* Nb of variable list in the stack */
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int varsMax; /* Size of the variable list stack */
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xsltStackElemPtr *varsTab; /* the variable list stack */
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const xmlChar *mode; /* the current mode */
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const xmlChar *modeURI; /* the current mode URI */
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xsltDocumentPtr docList; /* the document list */
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xsltDocumentPtr document; /* the current document */
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xmlNodePtr node; /* the node being processed */
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xmlNodeSetPtr nodeList; /* the current node list */
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xmlNodePtr current; /* the current node */
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xmlDocPtr output; /* the resulting document */
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xmlNodePtr insert; /* the insertion node */
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xmlXPathContextPtr xpathCtxt; /* the XPath context */
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xsltTransformState state; /* the current state */
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};
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#define CHECK_STOPPED if (ctxt->state == XSLT_STATE_STOPPED) return;
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#define CHECK_STOPPEDE if (ctxt->state == XSLT_STATE_STOPPED) goto error;
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#define CHECK_STOPPED0 if (ctxt->state == XSLT_STATE_STOPPED) return(0);
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/*
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* Functions associated to the internal types
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xsltDecimalFormatPtr xsltDecimalFormatGetByName(xsltStylesheetPtr sheet,
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xmlChar *name);
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*/
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xsltStylesheetPtr xsltParseStylesheetFile (const xmlChar* filename);
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void xsltFreeStylesheet (xsltStylesheetPtr sheet);
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int xsltIsBlank (xmlChar *str);
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void xsltFreeStackElemList (xsltStackElemPtr elem);
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xsltDecimalFormatPtr xsltDecimalFormatGetByName(xsltStylesheetPtr sheet,
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xmlChar *name);
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xsltStylesheetPtr xsltParseStylesheetProcess(xsltStylesheetPtr ret,
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xmlDocPtr doc);
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xsltStylesheetPtr xsltParseStylesheetDoc (xmlDocPtr doc);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __XML_XSLT_H__ */
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