[libxslt] Store key status of source nodes as bit flag

[Nick Wellnhofer <nwellnhof src gnome org>]

commit 1d9820635c271b35f88431f33ea78dc8be349e5b
Author: Nick Wellnhofer <wellnhofer aevum de>
Date:   Wed Aug 31 15:34:47 2022 +0200

    Store key status of source nodes as bit flag
    
    This frees up the psvi member.

 libxslt/keys.c      | 19 +------------------
 libxslt/pattern.c   | 37 ++-----------------------------------
 libxslt/xsltutils.h |  1 +
 3 files changed, 4 insertions(+), 53 deletions(-)
---
diff --git a/libxslt/keys.c b/libxslt/keys.c
index ca0779c5..fb18cd5d 100644
--- a/libxslt/keys.c
+++ b/libxslt/keys.c
@@ -834,24 +834,7 @@ fprintf(stderr, "xsltInitCtxtKey %s : %d\n", keyDef->name, ctxt->keyInitLevel);
                */
                xmlXPathNodeSetAdd(keylist, cur);
            }
-           switch (cur->type) {
-               case XML_ELEMENT_NODE:
-               case XML_TEXT_NODE:
-               case XML_CDATA_SECTION_NODE:
-               case XML_PI_NODE:
-               case XML_COMMENT_NODE:
-                   cur->psvi = keyDef;
-                   break;
-               case XML_ATTRIBUTE_NODE:
-                   ((xmlAttrPtr) cur)->psvi = keyDef;
-                   break;
-               case XML_DOCUMENT_NODE:
-               case XML_HTML_DOCUMENT_NODE:
-                   ((xmlDocPtr) cur)->psvi = keyDef;
-                   break;
-               default:
-                   break;
-           }
+            xsltSetSourceNodeFlags(ctxt, cur, XSLT_SOURCE_NODE_HAS_KEY);
            xmlFree(str);
            str = NULL;
 
diff --git a/libxslt/pattern.c b/libxslt/pattern.c
index da3444f2..0a6fd92d 100644
--- a/libxslt/pattern.c
+++ b/libxslt/pattern.c
@@ -2283,7 +2283,6 @@ xsltGetTemplate(xsltTransformContextPtr ctxt, xmlNodePtr node,
     const xmlChar *name = NULL;
     xsltCompMatchPtr list = NULL;
     float priority;
-    int keyed = 0;
 
     if ((ctxt == NULL) || (node == NULL))
        return(NULL);
@@ -2361,37 +2360,25 @@ xsltGetTemplate(xsltTransformContextPtr ctxt, xmlNodePtr node,
                    list = curstyle->rootMatch;
                else
                    list = curstyle->elemMatch;
-               if (node->psvi != NULL) keyed = 1;
                break;
            case XML_ATTRIBUTE_NODE: {
-               xmlAttrPtr attr;
-
                list = curstyle->attrMatch;
-               attr = (xmlAttrPtr) node;
-               if (attr->psvi != NULL) keyed = 1;
                break;
            }
            case XML_PI_NODE:
                list = curstyle->piMatch;
-               if (node->psvi != NULL) keyed = 1;
                break;
            case XML_DOCUMENT_NODE:
            case XML_HTML_DOCUMENT_NODE: {
-               xmlDocPtr doc;
-
                list = curstyle->rootMatch;
-               doc = (xmlDocPtr) node;
-               if (doc->psvi != NULL) keyed = 1;
                break;
            }
            case XML_TEXT_NODE:
            case XML_CDATA_SECTION_NODE:
                list = curstyle->textMatch;
-               if (node->psvi != NULL) keyed = 1;
                break;
            case XML_COMMENT_NODE:
                list = curstyle->commentMatch;
-               if (node->psvi != NULL) keyed = 1;
                break;
            case XML_ENTITY_REF_NODE:
            case XML_ENTITY_NODE:
@@ -2461,7 +2448,7 @@ xsltGetTemplate(xsltTransformContextPtr ctxt, xmlNodePtr node,
        }
 
 keyed_match:
-       if (keyed) {
+        if (xsltGetSourceNodeFlags(node) & XSLT_SOURCE_NODE_HAS_KEY) {
            list = curstyle->keyMatch;
            while ((list != NULL) &&
                    ((ret == NULL) ||
@@ -2489,27 +2476,7 @@ keyed_match:
            if (xsltComputeAllKeys(ctxt, node) == -1)
                goto error;
 
-           switch (node->type) {
-               case XML_ELEMENT_NODE:
-                   if (node->psvi != NULL) keyed = 1;
-                   break;
-               case XML_ATTRIBUTE_NODE:
-                   if (((xmlAttrPtr) node)->psvi != NULL) keyed = 1;
-                   break;
-               case XML_TEXT_NODE:
-               case XML_CDATA_SECTION_NODE:
-               case XML_COMMENT_NODE:
-               case XML_PI_NODE:
-                   if (node->psvi != NULL) keyed = 1;
-                   break;
-               case XML_DOCUMENT_NODE:
-               case XML_HTML_DOCUMENT_NODE:
-                   if (((xmlDocPtr) node)->psvi != NULL) keyed = 1;
-                   break;
-               default:
-                   break;
-           }
-           if (keyed)
+            if (xsltGetSourceNodeFlags(node) & XSLT_SOURCE_NODE_HAS_KEY)
                goto keyed_match;
        }
        if (ret != NULL)
diff --git a/libxslt/xsltutils.h b/libxslt/xsltutils.h
index 65ef78e0..598b1eaf 100644
--- a/libxslt/xsltutils.h
+++ b/libxslt/xsltutils.h
@@ -246,6 +246,7 @@ XSLTPUBFUN xmlXPathCompExprPtr XSLTCALL
 
 #ifdef IN_LIBXSLT
 #define XSLT_SOURCE_NODE_MASK       15
+#define XSLT_SOURCE_NODE_HAS_KEY    1
 int
 xsltGetSourceNodeFlags(xmlNodePtr node);
 int