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 */
xmlChar *name; /* the local part of the name QName */
xmlChar *nameURI; /* the URI part of the name QName */
xmlChar *mode; /* the local part of the mode QName */
xmlChar *modeURI; /* the URI part of the mode QName */
xmlNodePtr content; /* the template replacement value */
xmlNodePtr elem; /* the source element */
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 */
};
The in-memory structure corresponding to an XSLT Template.
xsltTemplatePtr
typedef xsltTemplate *xsltTemplatePtr;
struct xsltDecimalFormat
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;
};
Data structure of decimal-format.
xsltDecimalFormatPtr
typedef xsltDecimalFormat *xsltDecimalFormatPtr;
struct xsltDocument
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 */
};
Data structure associated to a parsed document.
xsltDocumentPtr
typedef xsltDocument *xsltDocumentPtr;
struct xsltTransformContext
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 document */
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 */
};
struct xsltElemPreComp {
xsltElemPreCompPtr next; /* chained list */
xsltStyleType type; /* type of the element */
xsltTransformFunction func; /* handling function */
xmlNodePtr inst; /* the instruction */
/* end of common part */
xsltElemPreCompDeallocator free; /* the deallocator */
};
The in-memory structure corresponding to element precomputed data,
designed to be extended by extension implementors.
struct xsltStylePreComp {
xsltElemPreCompPtr next; /* chained list */
xsltStyleType type; /* type of the element */
xsltTransformFunction func; /* handling function */
xmlNodePtr inst; /* the instruction */
/*
* Pre computed values.
*/
xmlChar *stype; /* sort */
int has_stype; /* sort */
int number; /* sort */
xmlChar *order; /* sort */
int has_order; /* sort */
int descending; /* sort */
xmlChar *use; /* copy, element */
int has_use; /* copy, element */
int noescape; /* text */
xmlChar *name; /* element, attribute, pi */
int has_name; /* element, attribute, pi */
xmlChar *ns; /* element */
int has_ns; /* element */
xmlChar *mode; /* apply-templates */
xmlChar *modeURI; /* apply-templates */
xmlChar *test; /* if */
xsltTemplatePtr templ; /* call-template */
xmlChar *select; /* sort, copy-of, value-of, apply-templates */
int ver11; /* document */
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 */
};
The in-memory structure corresponding to XSLT stylesheet constructs
precomputed data.
xsltStylePreCompPtr
typedef xsltStylePreComp *xsltStylePreCompPtr;
struct xsltStackElem
struct xsltStackElem {
struct _xsltStackElem *next;/* chained list */
xsltStylePreCompPtr comp; /* the compiled form */
int computed; /* was the evaluation done */
xmlChar *name; /* the local part of the name QName */
xmlChar *nameURI; /* the URI part of the name QName */
xmlChar *select; /* the eval string */
xmlNodePtr tree; /* the tree if no eval string or the location */
xmlXPathObjectPtr value; /* The value if computed */
};
xsltStackElemPtr
typedef xsltStackElem *xsltStackElemPtr;
struct xsltStylesheet
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.
*/
xmlHashTablePtr nsAliases; /* the namespace alias hash tables */
/*
* Attribute sets.
*/
xmlHashTablePtr attributeSets;/* the attribute sets hash tables */
/*
* Namespaces.
*/
xmlHashTablePtr nsHash; /* the set of namespaces in use */
void *nsDefs; /* the namespaces defined */
/*
* 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 */
};
This function tries to locate the stylesheet PI in the given document
If found, and if contained within the document, it will extract
that subtree to build the stylesheet to process doc (doc itself will
be modified). If found but referencing an external document it will
attempt to load it and generate a stylesheet from it. In both cases,
the resulting stylesheet and the document need to be freed once the
transformation is done.
doc :
a document to process
Returns :
a new XSLT stylesheet structure or NULL if not found.
Notation:
X* 0 or more instances of X
(X | Y) either X or Y.
X..Y any character from X up to Y, inclusive.
S - T characters in S, except those in T
Special Characters:
Symbol Meaning
0 a digit
# a digit, zero shows as absent
. placeholder for decimal separator
, placeholder for grouping separator.
; separates formats.
- default negative prefix.
% multiply by 100 and show as percentage
? multiply by 1000 and show as per mille
X any other characters can be used in the prefix or suffix
' used to quote special characters in a prefix or suffix.
