| 1 | #define IN_LIBEXSLT
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| 2 | #include "libexslt/libexslt.h"
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| 3 |
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| 4 | #if defined(WIN32) && !defined (__CYGWIN__) && (!__MINGW32__)
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| 5 | #include <win32config.h>
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| 6 | #else
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| 7 | #include "config.h"
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| 8 | #endif
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| 9 |
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| 10 | #include <libxml/tree.h>
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| 11 | #include <libxml/xpath.h>
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| 12 | #include <libxml/xpathInternals.h>
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| 13 |
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| 14 | #include <libxslt/xsltconfig.h>
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| 15 | #include <libxslt/xsltutils.h>
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| 16 | #include <libxslt/xsltInternals.h>
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| 17 | #include <libxslt/extensions.h>
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| 18 | #include <libxslt/transform.h>
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| 19 | #include <libxslt/extra.h>
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| 20 | #include <libxslt/preproc.h>
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| 21 |
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| 22 | #include "exslt.h"
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| 23 |
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| 24 | static void
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| 25 | exsltNodeSetFunction (xmlXPathParserContextPtr ctxt, int nargs) {
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| 26 | if (nargs != 1) {
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| 27 | xmlXPathSetArityError(ctxt);
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| 28 | return;
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| 29 | }
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| 30 | if (xmlXPathStackIsNodeSet (ctxt)) {
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| 31 | xsltFunctionNodeSet (ctxt, nargs);
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| 32 | return;
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| 33 | } else {
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| 34 | xmlDocPtr fragment;
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| 35 | xsltTransformContextPtr tctxt = xsltXPathGetTransformContext(ctxt);
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| 36 | xmlNodePtr txt;
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| 37 | xmlChar *strval;
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| 38 | xmlXPathObjectPtr obj;
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| 39 | /*
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| 40 | * SPEC EXSLT:
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| 41 | * "You can also use this function to turn a string into a text
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| 42 | * node, which is helpful if you want to pass a string to a
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| 43 | * function that only accepts a node-set."
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| 44 | */
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| 45 | fragment = xsltCreateRVT(tctxt);
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| 46 | if (fragment == NULL) {
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| 47 | xsltTransformError(tctxt, NULL, tctxt->inst,
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| 48 | "exsltNodeSetFunction: Failed to create a tree fragment.\n");
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| 49 | tctxt->state = XSLT_STATE_STOPPED;
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| 50 | return;
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| 51 | }
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| 52 | xsltRegisterLocalRVT(tctxt, fragment);
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| 53 |
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| 54 | strval = xmlXPathPopString (ctxt);
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| 55 |
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| 56 | txt = xmlNewDocText (fragment, strval);
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| 57 | xmlAddChild((xmlNodePtr) fragment, txt);
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| 58 | obj = xmlXPathNewNodeSet(txt);
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| 59 | if (obj == NULL) {
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| 60 | xsltTransformError(tctxt, NULL, tctxt->inst,
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| 61 | "exsltNodeSetFunction: Failed to create a node set object.\n");
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| 62 | tctxt->state = XSLT_STATE_STOPPED;
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| 63 | }
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| 64 | if (strval != NULL)
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| 65 | xmlFree (strval);
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| 66 |
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| 67 | valuePush (ctxt, obj);
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| 68 | }
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| 69 | }
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| 70 |
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| 71 | static void
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| 72 | exsltObjectTypeFunction (xmlXPathParserContextPtr ctxt, int nargs) {
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| 73 | xmlXPathObjectPtr obj, ret;
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| 74 |
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| 75 | if (nargs != 1) {
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| 76 | xmlXPathSetArityError(ctxt);
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| 77 | return;
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| 78 | }
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| 79 |
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| 80 | obj = valuePop(ctxt);
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| 81 |
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| 82 | switch (obj->type) {
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| 83 | case XPATH_STRING:
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| 84 | ret = xmlXPathNewCString("string");
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| 85 | break;
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| 86 | case XPATH_NUMBER:
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| 87 | ret = xmlXPathNewCString("number");
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| 88 | break;
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| 89 | case XPATH_BOOLEAN:
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| 90 | ret = xmlXPathNewCString("boolean");
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| 91 | break;
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| 92 | case XPATH_NODESET:
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| 93 | ret = xmlXPathNewCString("node-set");
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| 94 | break;
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| 95 | case XPATH_XSLT_TREE:
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| 96 | ret = xmlXPathNewCString("RTF");
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| 97 | break;
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| 98 | case XPATH_USERS:
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| 99 | ret = xmlXPathNewCString("external");
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| 100 | break;
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| 101 | default:
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| 102 | xsltGenericError(xsltGenericErrorContext,
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| 103 | "object-type() invalid arg\n");
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| 104 | ctxt->error = XPATH_INVALID_TYPE;
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| 105 | xmlXPathFreeObject(obj);
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| 106 | return;
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| 107 | }
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| 108 | xmlXPathFreeObject(obj);
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| 109 | valuePush(ctxt, ret);
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| 110 | }
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| 111 |
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| 112 |
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| 113 | /**
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| 114 | * exsltCommonRegister:
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| 115 | *
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| 116 | * Registers the EXSLT - Common module
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| 117 | */
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| 118 |
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| 119 | void
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| 120 | exsltCommonRegister (void) {
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| 121 | xsltRegisterExtModuleFunction((const xmlChar *) "node-set",
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| 122 | EXSLT_COMMON_NAMESPACE,
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| 123 | exsltNodeSetFunction);
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| 124 | xsltRegisterExtModuleFunction((const xmlChar *) "object-type",
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| 125 | EXSLT_COMMON_NAMESPACE,
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| 126 | exsltObjectTypeFunction);
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| 127 | xsltRegisterExtModuleElement((const xmlChar *) "document",
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| 128 | EXSLT_COMMON_NAMESPACE,
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| 129 | (xsltPreComputeFunction) xsltDocumentComp,
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| 130 | (xsltTransformFunction) xsltDocumentElem);
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| 131 | }
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