XML conversion utility, requires expat library.

John Gray

contrib/xml/pgxml.h

@@ -0,0 +1,60 @@
+/* Header for pg xml parser interface */
+
+static void *pgxml_palloc(size_t size);
+static void *pgxml_repalloc(void *ptr, size_t size);
+static void pgxml_pfree(void *ptr);
+static void pgxml_mhs_init();
+static void pgxml_handler_init();
+Datum pgxml_parse(PG_FUNCTION_ARGS);
+Datum pgxml_xpath(PG_FUNCTION_ARGS);
+static void pgxml_starthandler(void *userData, const XML_Char *name,
+			const XML_Char **atts);
+static void pgxml_endhandler(void *userData, const XML_Char *name);
+static void pgxml_charhandler(void *userData, const XML_Char *s, int len);
+static void pgxml_pathcompare(void *userData);
+static void pgxml_finalisegrabbedtext(void *userData);
+
+#define MAXPATHLENGTH 512
+#define MAXRESULTS 100
+
+
+typedef struct {
+  int rescount;
+  char *results[MAXRESULTS];
+  int32 reslens[MAXRESULTS];
+  char *resbuf; /* pointer to the result buffer for pfree */
+} XPath_Results;
+
+
+
+typedef struct {
+  char currentpath[MAXPATHLENGTH];
+  char *path;
+  int textgrab;
+  char *resptr;
+  int32 reslen;
+  XPath_Results *xpres;
+} pgxml_udata;
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+#define UD ((pgxml_udata *) userData)
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