X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=parse-xml.c;h=bc4d4c54661aeb1db4d2462e49625ce8b5997174;hb=4891fa812f04da1f46075433d28fa0f33145e125;hp=5eabc353c17c47e4e68db5e0db2ded912f2b1437;hpb=485b02937d8ca1f9a9043c89e74a3d2f15d6426b;p=ext%2Fsubsurface.git

diff --git a/parse-xml.c b/parse-xml.c
index 5eabc35..bc4d4c5 100644
--- a/parse-xml.c
+++ b/parse-xml.c
@@ -3,10 +3,14 @@
 #include <string.h>
 #include <stdlib.h>
 #include <errno.h>
+#include <unistd.h>
 #define __USE_XOPEN
 #include <time.h>
 #include <libxml/parser.h>
 #include <libxml/tree.h>
+#ifdef XSLT
+#include <libxslt/transform.h>
+#endif
 
 #include "dive.h"
 #include "uemis.h"
@@ -1466,6 +1470,9 @@ void parse_xml_file(const char *filename, GError **error)
 	set_filename(filename);
 	reset_all();
 	dive_start();
+#ifdef XSLT
+	doc = test_xslt_transforms(doc);
+#endif
 	traverse(xmlDocGetRootElement(doc));
 	dive_end();
 	xmlFreeDoc(doc);
@@ -1476,3 +1483,70 @@ void parse_xml_init(void)
 {
 	LIBXML_TEST_VERSION
 }
+
+#ifdef XSLT
+
+/* Maybe we'll want a environment variable that can override this.. */
+static const char *xslt_path = XSLT ":xslt:.";
+
+static xsltStylesheetPtr try_get_stylesheet(const char *path, int len, const char *name)
+{
+	xsltStylesheetPtr ret;
+	int namelen = strlen(name);
+	char *filename = malloc(len+1+namelen+1);
+
+	if (!filename)
+		return NULL;
+
+	memcpy(filename, path, len);
+	filename[len] = G_DIR_SEPARATOR;
+	memcpy(filename + len + 1, name, namelen+1);
+
+	ret = NULL;
+	if (!access(filename, R_OK))
+		ret = xsltParseStylesheetFile(filename);
+	free(filename);
+
+	return ret;
+}
+
+static xsltStylesheetPtr get_stylesheet(const char *name)
+{
+	const char *path = xslt_path, *next;
+
+	do {
+		int len;
+		xsltStylesheetPtr ret;
+
+		next = strchr(path, ':');
+		len = strlen(path);
+		if (next) {
+			len = next - path;
+			next++;
+		}
+		ret = try_get_stylesheet(path, len, name);
+		if (ret)
+			return ret;
+	} while ((path = next) != NULL);
+
+	return NULL;
+}
+
+xmlDoc *test_xslt_transforms(xmlDoc *doc)
+{
+	xmlDoc *transformed;
+	xsltStylesheetPtr xslt = NULL;
+	xmlNode *root_element = xmlDocGetRootElement(doc);
+	if (strcasecmp(root_element->name, "JDiveLog") == 0) {
+		xmlSubstituteEntitiesDefault(1);
+		xslt = get_stylesheet("jdivelog2subsurface.xslt");
+		if (xslt == NULL)
+			return doc;
+		transformed = xsltApplyStylesheet(xslt, doc, NULL);
+		xmlFreeDoc(doc);
+		xsltFreeStylesheet(xslt);
+		return transformed;
+	}
+	return doc;
+}
+#endif