//-----------------------------------------
bool RngValidator::run(const std::string& xml_file_pathname, const std::string& rng_file_pathname)
//-----------------------------------------
{
// TODO handle multiple RNG files (eg viz)
// RELAX NG Parser Context
xmlRelaxNGParserCtxtPtr ctxt = xmlRelaxNGNewParserCtxt(rng_file_pathname.c_str());
xmlRelaxNGSetParserErrors(ctxt,
(xmlRelaxNGValidityErrorFunc)RngValidator::rngErr,
(xmlRelaxNGValidityWarningFunc)RngValidator::rngWarn,
NULL);
xmlRelaxNGPtr schema = xmlRelaxNGParse(ctxt);
xmlRelaxNGFreeParserCtxt(ctxt);
xmlTextReaderPtr reader = xmlNewTextReaderFilename(xml_file_pathname.c_str());
xmlTextReaderRelaxNGSetSchema(reader, schema);
xmlTextReaderSetErrorHandler(reader, (xmlTextReaderErrorFunc)RngValidator::readerErr, NULL);
xmlTextReaderSetStructuredErrorHandler(reader, (xmlStructuredErrorFunc)RngValidator::structErr, NULL);
while (xmlTextReaderRead(reader));
const bool valid = xmlTextReaderIsValid(reader) == 1;
xmlFreeTextReader(reader);
xmlRelaxNGFree(schema);
return valid;
}
/* {{{ _xmlreader_get_relaxNG */
static xmlRelaxNGPtr _xmlreader_get_relaxNG(char *source, size_t source_len, size_t type,
xmlRelaxNGValidityErrorFunc error_func,
xmlRelaxNGValidityWarningFunc warn_func)
{
char *valid_file = NULL;
xmlRelaxNGParserCtxtPtr parser = NULL;
xmlRelaxNGPtr sptr;
char resolved_path[MAXPATHLEN + 1];
switch (type) {
case XMLREADER_LOAD_FILE:
valid_file = _xmlreader_get_valid_file_path(source, resolved_path, MAXPATHLEN );
if (!valid_file) {
return NULL;
}
parser = xmlRelaxNGNewParserCtxt(valid_file);
break;
case XMLREADER_LOAD_STRING:
parser = xmlRelaxNGNewMemParserCtxt(source, source_len);
/* If loading from memory, we need to set the base directory for the document
but it is not apparent how to do that for schema's */
break;
default:
return NULL;
}
if (parser == NULL) {
return NULL;
}
if (error_func || warn_func) {
xmlRelaxNGSetParserErrors(parser,
(xmlRelaxNGValidityErrorFunc) error_func,
(xmlRelaxNGValidityWarningFunc) warn_func,
parser);
}
sptr = xmlRelaxNGParse(parser);
xmlRelaxNGFreeParserCtxt(parser);
return sptr;
}
static xmlRelaxNGPtr _xmlreader_get_relaxNG(String source, int type,
xmlRelaxNGValidityErrorFunc error_func,
xmlRelaxNGValidityWarningFunc warn_func )
{
xmlRelaxNGParserCtxtPtr parser = NULL;
xmlRelaxNGPtr sptr;
String valid_file;
switch (type) {
case XMLREADER_LOAD_FILE:
valid_file = _xmlreader_get_valid_file_path(source.c_str());
if (valid_file.empty()) {
return NULL;
}
parser = xmlRelaxNGNewParserCtxt(valid_file.c_str());
break;
case XMLREADER_LOAD_STRING:
parser = xmlRelaxNGNewMemParserCtxt(source.data(), source.size());
/* If loading from memory, we need to set the base directory for the document
but it is not apparent how to do that for schema's */
break;
default:
return NULL;
}
if (parser == NULL) {
return NULL;
}
if (error_func || warn_func) {
xmlRelaxNGSetParserErrors(parser,
(xmlRelaxNGValidityErrorFunc) error_func,
(xmlRelaxNGValidityWarningFunc) warn_func,
parser);
}
sptr = xmlRelaxNGParse(parser);
xmlRelaxNGFreeParserCtxt(parser);
return sptr;
}
/* Check an XML file against its rng */
int check_rng(const char *filename, const char *rngfilename) {
xmlDocPtr doc = NULL;
xmlDocPtr rngdoc = NULL;
xmlRelaxNGParserCtxtPtr rngpctx = NULL;
xmlRelaxNGValidCtxtPtr rngctx = NULL;
xmlRelaxNGPtr schema = NULL;
if (verbose) {
dual_log("DEBUG: About to check XML validity in %s\n", filename);
}
/* Load XML document */
doc = xmlParseFile(filename);
if (doc == NULL) {
dual_log("ERROR: unable to parse file \"%s\"\n", filename);
/* Maybe the file doesn't exist? */
check_file(filename, "Configuration file");
return(1);
}
/* Load rng document */
rngdoc = xmlParseFile(rngfilename);
if (rngdoc == NULL) {
dual_log("ERROR: unable to parse file \"%s\"\n", rngfilename);
/* Maybe the file doesn't exist? */
check_file(rngfilename, "RNG file");
xmlFreeDoc(doc);
return(1);
}
/* Create an XML RelaxNGs parser context for the relax-ng document. */
rngpctx = xmlRelaxNGNewDocParserCtxt(rngdoc);
if (rngpctx == NULL) {
dual_log("ERROR: unable to create XML RelaxNGs parser context\n");
xmlFreeDoc(doc);
xmlFreeDoc(rngdoc);
return(1);
}
xmlRelaxNGSetParserErrors(rngpctx,
(xmlRelaxNGValidityErrorFunc) fprintf,
(xmlRelaxNGValidityWarningFunc) fprintf,
stderr);
/* parse a schema definition resource and build an internal XML Shema struture which can be used to validate instances. */
schema = xmlRelaxNGParse(rngpctx);
if (schema == NULL) {
dual_log("ERROR: unable to parse a schema definition resource\n");
xmlRelaxNGFreeParserCtxt(rngpctx);
xmlFreeDoc(doc);
xmlFreeDoc(rngdoc);
return(1);
}
/* Create an XML RelaxNGs validation context based on the given schema */
rngctx = xmlRelaxNGNewValidCtxt(schema);
if (rngctx == NULL) {
dual_log("ERROR: unable to create RelaxNGs validation context based on the schema\n");
xmlRelaxNGFree(schema);
xmlRelaxNGFreeParserCtxt(rngpctx);
xmlFreeDoc(doc);
xmlFreeDoc(rngdoc);
return(1);
}
xmlRelaxNGSetValidErrors(rngctx,
(xmlRelaxNGValidityErrorFunc) fprintf,
(xmlRelaxNGValidityWarningFunc) fprintf,
stderr);
/* Validate a document tree in memory. */
if (xmlRelaxNGValidateDoc(rngctx,doc) != 0) {
dual_log("ERROR: %s fails to validate\n", filename);
xmlRelaxNGFreeValidCtxt(rngctx);
xmlRelaxNGFree(schema);
xmlRelaxNGFreeParserCtxt(rngpctx);
xmlFreeDoc(doc);
xmlFreeDoc(rngdoc);
return(1);
}
xmlRelaxNGFreeValidCtxt(rngctx);
xmlRelaxNGFree(schema);
xmlRelaxNGFreeParserCtxt(rngpctx);
xmlFreeDoc(doc);
xmlFreeDoc(rngdoc);
return 0;
}
int main(int argc, char **argv) {
int i;
int files = 0;
xmlRelaxNGPtr schema = NULL;
for (i = 1; i < argc ; i++) {
#ifdef LIBXML_DEBUG_ENABLED
if ((!strcmp(argv[i], "-debug")) || (!strcmp(argv[i], "--debug")))
debug++;
else
#endif
#ifdef HAVE_SYS_MMAN_H
if ((!strcmp(argv[i], "-memory")) || (!strcmp(argv[i], "--memory"))) {
memory++;
} else
#endif
if ((!strcmp(argv[i], "-noout")) || (!strcmp(argv[i], "--noout"))) {
noout++;
} else
if ((!strcmp(argv[i], "-tree")) || (!strcmp(argv[i], "--tree"))) {
tree++;
}
}
xmlLineNumbersDefault(1);
xmlSubstituteEntitiesDefault(1);
for (i = 1; i < argc ; i++) {
if (argv[i][0] != '-') {
if (schema == NULL) {
xmlRelaxNGParserCtxtPtr ctxt;
#ifdef HAVE_SYS_MMAN_H
if (memory) {
int fd;
struct stat info;
const char *base;
if (stat(argv[i], &info) < 0)
break;
if ((fd = open(argv[i], O_RDONLY)) < 0)
break;
base = mmap(NULL, info.st_size, PROT_READ,
MAP_SHARED, fd, 0) ;
if (base == (void *) MAP_FAILED)
break;
ctxt = xmlRelaxNGNewMemParserCtxt((char *)base,info.st_size);
xmlRelaxNGSetParserErrors(ctxt,
(xmlRelaxNGValidityErrorFunc) fprintf,
(xmlRelaxNGValidityWarningFunc) fprintf,
stderr);
schema = xmlRelaxNGParse(ctxt);
xmlRelaxNGFreeParserCtxt(ctxt);
munmap((char *) base, info.st_size);
} else
#endif
{
ctxt = xmlRelaxNGNewParserCtxt(argv[i]);
xmlRelaxNGSetParserErrors(ctxt,
(xmlRelaxNGValidityErrorFunc) fprintf,
(xmlRelaxNGValidityWarningFunc) fprintf,
stderr);
schema = xmlRelaxNGParse(ctxt);
xmlRelaxNGFreeParserCtxt(ctxt);
}
if (schema == NULL) {
printf("Relax-NG schema %s failed to compile\n", argv[i]);
files = -1;
break;
}
#ifdef LIBXML_OUTPUT_ENABLED
#ifdef LIBXML_DEBUG_ENABLED
if (debug)
xmlRelaxNGDump(stdout, schema);
#endif
if (tree)
xmlRelaxNGDumpTree(stdout, schema);
#endif /* LIBXML_OUTPUT_ENABLED */
} else {
xmlDocPtr doc;
doc = xmlReadFile(argv[i],NULL,0);
if (doc == NULL) {
fprintf(stderr, "Could not parse %s\n", argv[i]);
} else {
xmlRelaxNGValidCtxtPtr ctxt;
int ret;
ctxt = xmlRelaxNGNewValidCtxt(schema);
xmlRelaxNGSetValidErrors(ctxt,
(xmlRelaxNGValidityErrorFunc) fprintf,
(xmlRelaxNGValidityWarningFunc) fprintf,
stderr);
ret = xmlRelaxNGValidateDoc(ctxt, doc);
if (ret == 0) {
printf("%s validates\n", argv[i]);
} else if (ret > 0) {
printf("%s fails to validate\n", argv[i]);
} else {
printf("%s validation generated an internal error\n",
argv[i]);
}
xmlRelaxNGFreeValidCtxt(ctxt);
xmlFreeDoc(doc);
}
}
files ++;
}
}
if (schema != NULL)
xmlRelaxNGFree(schema);
if (files == 0) {
printf("Usage : %s [--debug] [--noout] schemas XMLfiles ...\n",
argv[0]);
printf("\tParse the HTML files and output the result of the parsing\n");
#ifdef LIBXML_DEBUG_ENABLED
printf("\t--debug : dump a debug tree of the in-memory document\n");
#endif
printf("\t--noout : do not print the result\n");
printf("\t--tree : print the intermediate Relax-NG document tree\n");
#ifdef HAVE_SYS_MMAN_H
printf("\t--memory : test the schemas in memory parsing\n");
#endif
}
xmlRelaxNGCleanupTypes();
xmlCleanupParser();
xmlMemoryDump();
return(0);
}
