xmllint.c

基于s3c2410芯片的数据采集系统 目标环境：S3C2410芯片、经裁剪后的linux2.6内核、sqlite数据库、cgi库 项目描述：节点端采集数据

    if (noout) {
        handler = emptySAXHandler;
#ifdef LIBXML_SAX1_ENABLED
    } else if (sax1) {
        handler = debugSAXHandler;
#endif
    } else {
        handler = debugSAX2Handler;
    }

    /*
     * it's not the simplest code but the most generic in term of I/O
     */
    buf = xmlParserInputBufferCreateFilename(filename, XML_CHAR_ENCODING_NONE);
    if (buf == NULL) {
        goto error;
    }

#ifdef LIBXML_SCHEMAS_ENABLED
    if (wxschemas != NULL) {
        int ret;
	xmlSchemaValidCtxtPtr vctxt;

	vctxt = xmlSchemaNewValidCtxt(wxschemas);
	xmlSchemaSetValidErrors(vctxt,
		(xmlSchemaValidityErrorFunc) fprintf,
		(xmlSchemaValidityWarningFunc) fprintf,
		stderr);

	ret = xmlSchemaValidateStream(vctxt, buf, 0, handler,
	                              (void *)user_data);
	if (repeat == 0) {
	    if (ret == 0) {
		fprintf(stderr, "%s validates\n", filename);
	    } else if (ret > 0) {
		fprintf(stderr, "%s fails to validate\n", filename);
		progresult = XMLLINT_ERR_VALID;
	    } else {
		fprintf(stderr, "%s validation generated an internal error\n",
		       filename);
		progresult = XMLLINT_ERR_VALID;
	    }
	}
	xmlSchemaFreeValidCtxt(vctxt);
    } else
#endif
    {
	/*
	 * Create the parser context amd hook the input
	 */
	ctxt = xmlNewParserCtxt();
	if (ctxt == NULL) {
	    xmlFreeParserInputBuffer(buf);
	    goto error;
	}
	old_sax = ctxt->sax;
	ctxt->sax = handler;
	ctxt->userData = (void *) user_data;
	inputStream = xmlNewIOInputStream(ctxt, buf, XML_CHAR_ENCODING_NONE);
	if (inputStream == NULL) {
	    xmlFreeParserInputBuffer(buf);
	    goto error;
	}
	inputPush(ctxt, inputStream);
	
	/* do the parsing */
	xmlParseDocument(ctxt);

	if (ctxt->myDoc != NULL) {
	    fprintf(stderr, "SAX generated a doc !\n");
	    xmlFreeDoc(ctxt->myDoc);
	    ctxt->myDoc = NULL;
	}
    }

error:
    if (ctxt != NULL) {
        ctxt->sax = old_sax;
        xmlFreeParserCtxt(ctxt);
    }
}

/************************************************************************
 * 									*
 * 			Stream Test processing				*
 * 									*
 ************************************************************************/
#ifdef LIBXML_READER_ENABLED
static void processNode(xmlTextReaderPtr reader) {
    const xmlChar *name, *value;
    int type, empty;

    type = xmlTextReaderNodeType(reader);
    empty = xmlTextReaderIsEmptyElement(reader);

    if (debug) {
	name = xmlTextReaderConstName(reader);
	if (name == NULL)
	    name = BAD_CAST "--";

	value = xmlTextReaderConstValue(reader);

	
	printf("%d %d %s %d %d", 
		xmlTextReaderDepth(reader),
		type,
		name,
		empty,
		xmlTextReaderHasValue(reader));
	if (value == NULL)
	    printf("\n");
	else {
	    printf(" %s\n", value);
	}
    }
#ifdef LIBXML_PATTERN_ENABLED
    if (patternc) {
        xmlChar *path = NULL;
        int match = -1;
	
	if (type == XML_READER_TYPE_ELEMENT) {
	    /* do the check only on element start */
	    match = xmlPatternMatch(patternc, xmlTextReaderCurrentNode(reader));

	    if (match) {
		path = xmlGetNodePath(xmlTextReaderCurrentNode(reader));
		printf("Node %s matches pattern %s\n", path, pattern);
	    }
	}
	if (patstream != NULL) {
	    int ret;

	    if (type == XML_READER_TYPE_ELEMENT) {
		ret = xmlStreamPush(patstream,
		                    xmlTextReaderConstLocalName(reader),
				    xmlTextReaderConstNamespaceUri(reader));
		if (ret < 0) {
		    fprintf(stderr, "xmlStreamPush() failure\n");
                    xmlFreeStreamCtxt(patstream);
		    patstream = NULL;
		} else if (ret != match) {
		    if (path == NULL) {
		        path = xmlGetNodePath(
		                       xmlTextReaderCurrentNode(reader));
		    }
		    fprintf(stderr,
		            "xmlPatternMatch and xmlStreamPush disagree\n");
		    fprintf(stderr,
		            "  pattern %s node %s\n",
			    pattern, path);
		}
		

	    } 
	    if ((type == XML_READER_TYPE_END_ELEMENT) ||
	        ((type == XML_READER_TYPE_ELEMENT) && (empty))) {
	        ret = xmlStreamPop(patstream);
		if (ret < 0) {
		    fprintf(stderr, "xmlStreamPop() failure\n");
                    xmlFreeStreamCtxt(patstream);
		    patstream = NULL;
		}
	    }
	}
	if (path != NULL)
	    xmlFree(path);
    }
#endif
}

static void streamFile(char *filename) {
    xmlTextReaderPtr reader;
    int ret;
#ifdef HAVE_SYS_MMAN_H
    int fd = -1;
    struct stat info;
    const char *base = NULL;
    xmlParserInputBufferPtr input = NULL;

    if (memory) {
	if (stat(filename, &info) < 0) 
	    return;
	if ((fd = open(filename, O_RDONLY)) < 0)
	    return;
	base = mmap(NULL, info.st_size, PROT_READ, MAP_SHARED, fd, 0) ;
	if (base == (void *) MAP_FAILED)
	    return;

	reader = xmlReaderForMemory(base, info.st_size, filename,
	                            NULL, options);
    } else
#endif
	reader = xmlReaderForFile(filename, NULL, options);
#ifdef LIBXML_PATTERN_ENABLED
    if (pattern != NULL) {
        patternc = xmlPatterncompile((const xmlChar *) pattern, NULL, 0, NULL);
	if (patternc == NULL) {
	    xmlGenericError(xmlGenericErrorContext,
		    "Pattern %s failed to compile\n", pattern);
            progresult = XMLLINT_ERR_SCHEMAPAT;
	    pattern = NULL;
	}
    }
    if (patternc != NULL) {
        patstream = xmlPatternGetStreamCtxt(patternc);
	if (patstream != NULL) {
	    ret = xmlStreamPush(patstream, NULL, NULL);
	    if (ret < 0) {
		fprintf(stderr, "xmlStreamPush() failure\n");
		xmlFreeStreamCtxt(patstream);
		patstream = NULL;
            }
	}
    }
#endif


    if (reader != NULL) {
#ifdef LIBXML_VALID_ENABLED
	if (valid)
	    xmlTextReaderSetParserProp(reader, XML_PARSER_VALIDATE, 1);
	else
#endif /* LIBXML_VALID_ENABLED */
	    xmlTextReaderSetParserProp(reader, XML_PARSER_LOADDTD, 1);
#ifdef LIBXML_SCHEMAS_ENABLED
	if (relaxng != NULL) {
	    if ((timing) && (!repeat)) {
		startTimer();
	    }
	    ret = xmlTextReaderRelaxNGValidate(reader, relaxng);
	    if (ret < 0) {
		xmlGenericError(xmlGenericErrorContext,
			"Relax-NG schema %s failed to compile\n", relaxng);
		progresult = XMLLINT_ERR_SCHEMACOMP;
		relaxng = NULL;
	    }
	    if ((timing) && (!repeat)) {
		endTimer("Compiling the schemas");
	    }
	}
	if (schema != NULL) {
	    if ((timing) && (!repeat)) {
		startTimer();
	    }
	    ret = xmlTextReaderSchemaValidate(reader, schema);
	    if (ret < 0) {
		xmlGenericError(xmlGenericErrorContext,
			"XSD schema %s failed to compile\n", schema);
		progresult = XMLLINT_ERR_SCHEMACOMP;
		schema = NULL;
	    }
	    if ((timing) && (!repeat)) {
		endTimer("Compiling the schemas");
	    }
	}
#endif

	/*
	 * Process all nodes in sequence
	 */
	if ((timing) && (!repeat)) {
	    startTimer();
	}
	ret = xmlTextReaderRead(reader);
	while (ret == 1) {
	    if ((debug)
#ifdef LIBXML_PATTERN_ENABLED
	        || (patternc)
#endif
	       )
		processNode(reader);
	    ret = xmlTextReaderRead(reader);
	}
	if ((timing) && (!repeat)) {
#ifdef LIBXML_SCHEMAS_ENABLED
	    if (relaxng != NULL)
		endTimer("Parsing and validating");
	    else
#endif
#ifdef LIBXML_VALID_ENABLED
	    if (valid)
		endTimer("Parsing and validating");
	    else
#endif
	    endTimer("Parsing");
	}

#ifdef LIBXML_VALID_ENABLED
	if (valid) {
	    if (xmlTextReaderIsValid(reader) != 1) {
		xmlGenericError(xmlGenericErrorContext,
			"Document %s does not validate\n", filename);
		progresult = XMLLINT_ERR_VALID;
	    }
	}
#endif /* LIBXML_VALID_ENABLED */
#ifdef LIBXML_SCHEMAS_ENABLED
	if ((relaxng != NULL) || (schema != NULL)) {
	    if (xmlTextReaderIsValid(reader) != 1) {
		fprintf(stderr, "%s fails to validate\n", filename);
		progresult = XMLLINT_ERR_VALID;
	    } else {
		fprintf(stderr, "%s validates\n", filename);
	    }
	}
#endif
	/*
	 * Done, cleanup and status
	 */
	xmlFreeTextReader(reader);
	if (ret != 0) {
	    fprintf(stderr, "%s : failed to parse\n", filename);
	    progresult = XMLLINT_ERR_UNCLASS;
	}
    } else {
	fprintf(stderr, "Unable to open %s\n", filename);
	progresult = XMLLINT_ERR_UNCLASS;
    }
#ifdef LIBXML_PATTERN_ENABLED
    if (patstream != NULL) {
	xmlFreeStreamCtxt(patstream);
	patstream = NULL;
    }
#endif
#ifdef HAVE_SYS_MMAN_H
    if (memory) {
        xmlFreeParserInputBuffer(input);
	munmap((char *) base, info.st_size);
	close(fd);
    }
#endif
}

static void walkDoc(xmlDocPtr doc) {
    xmlTextReaderPtr reader;
    int ret;

#ifdef LIBXML_PATTERN_ENABLED
    xmlNodePtr root;
    const xmlChar *namespaces[22];
    int i;
    xmlNsPtr ns;

    root = xmlDocGetRootElement(doc);
    for (ns = root->nsDef, i = 0;ns != NULL && i < 20;ns=ns->next) {
        namespaces[i++] = ns->href;
        namespaces[i++] = ns->prefix;
    }
    namespaces[i++] = NULL;
    namespaces[i++] = NULL;

    if (pattern != NULL) {
        patternc = xmlPatterncompile((const xmlChar *) pattern, doc->dict,
	                             0, &namespaces[0]);
	if (patternc == NULL) {
	    xmlGenericError(xmlGenericErrorContext,
		    "Pattern %s failed to compile\n", pattern);
            progresult = XMLLINT_ERR_SCHEMAPAT;
	    pattern = NULL;
	}
    }
    if (patternc != NULL) {
        patstream = xmlPatternGetStreamCtxt(patternc);
	if (patstream != NULL) {
	    ret = xmlStreamPush(patstream, NULL, NULL);
	    if (ret < 0) {
		fprintf(stderr, "xmlStreamPush() failure\n");
		xmlFreeStreamCtxt(patstream);
		patstream = NULL;
            }
	}
    }
#endif /* LIBXML_PATTERN_ENABLED */
    reader = xmlReaderWalker(doc);
    if (reader != NULL) {
	if ((timing) && (!repeat)) {
	    startTimer();
	}
	ret = xmlTextReaderRead(reader);
	while (ret == 1) {
	    if ((debug)
#ifdef LIBXML_PATTERN_ENABLED
	        || (patternc)
#endif
	       )
		processNode(reader);
	    ret = xmlTextReaderRead(reader);
	}
	if ((timing) && (!repeat)) {
	    endTimer("walking through the doc");
	}
	xmlFreeTextReader(reader);
	if (ret != 0) {
	    fprintf(stderr, "failed to walk through the doc\n");
	    progresult = XMLLINT_ERR_UNCLASS;
	}
    } else {
	fprintf(stderr, "Failed to crate a reader from the document\n");
	progresult = XMLLINT_ERR_UNCLASS;
    }
#ifdef LIBXML_PATTERN_ENABLED
    if (patstream != NULL) {
	xmlFreeStreamCtxt(patstream);
	patstream = NULL;
    }
#endif
}
#endif /* LIBXML_READER_ENABLED */

/************************************************************************
 * 									*
 * 			Tree Test processing				*
 * 									*
 ************************************************************************/
static void parseAndPrintFile(char *filename, xmlParserCtxtPtr rectxt) {
    xmlDocPtr doc = NULL;
#ifdef LIBXML_TREE_ENABLED
    xmlDocPtr tmp;
#endif /* LIBXML_TREE_ENABLED */

    if ((timing) && (!repeat))
	startTimer();
    

#ifdef LIBXML_TREE_ENABLED
    if (filename == NULL) {
	if (generate) {
	    xmlNodePtr n;

	    doc = xmlNewDoc(BAD_CAST "1.0");
	    n = xmlNewDocNode(doc, NULL, BAD_CAST "info", NULL);
	    xmlNodeSetContent(n, BAD_CAST "abc");
	    xmlDocSetRootElement(doc, n);
	}
    }
#endif /* LIBXML_TREE_ENABLED */
#ifdef LIBXML_HTML_ENABLED
#ifdef LIBXML_PUSH_ENABLED
    else if ((html) && (push)) {
        FILE *f;

#if defined(_WIN32) || defined (__DJGPP__) && !defined (__CYGWIN__)
	f = fopen(filename, "rb");
#else
	f = fopen(filename, "r");
#endif
        if (f != NULL) {
            int res, size = 3;
            char chars[4096];
            htmlParserCtxtPtr ctxt;

            /* if (repeat) */
                size = 4096;
            res = fread(chars, 1, 4, f);
            if (res > 0) {
                ctxt = htmlCreatePushParserCtxt(NULL, NULL,
                            chars, res, filename, XML_CHAR_ENCODING_NONE);
                while ((res = fread(chars, 1, size, f)) > 0) {
                    htmlParseChunk(ctxt, chars, res, 0);
                }
                htmlParseChunk(ctxt, chars, 0, 1);
                doc = ctxt->myDoc;
                htmlFreeParserCtxt(ctxt);
            }
            fclose(f);
        }
    }
#endif /* LIBXML_PUSH_ENABLED */
#ifdef HAVE_SYS_MMAN_H
    else if ((html) && (memory)) {
	int fd;
	struct stat info;
	const char *base;
	if (stat(filename, &info) < 0) 
	    return;
	if ((fd = open(filename, O_RDONLY)) < 0)
	    return;
	base = mmap(NULL, info.st_size, PROT_READ, MAP_SHARED, fd, 0) ;
	if (base == (void *) MAP_FAILED)
	    return;

	doc = htmlReadMemory((char *) base, info.st_size, filename,
	                     NULL, options);
	    
	munmap((char *) base, info.st_size);
	close(fd);
    }
#endif
    else if (html) {
	doc = htmlReadFile(filename, NULL, options);
    }
#endif /* LIBXML_HTML_ENABLED */
    else {
#ifdef LIBXML_PUSH_ENABLED
	/*
	 * build an XML tree from a string;
	 */
	if (push) {
	    FILE *f;

	    /* '-' Usually means stdin -<[e-mail]> */
	    if ((filename[0] == '-') && (filename[1] == 0)) {
	      f = stdin;
	    } else {
#if defined(_WIN32) || defined (__DJGPP__) && !defined (__CYGWIN__)
		f = fopen(filename, "rb");
#else
		f = fopen(filename, "r");
#endif
	    }
	    if (f != NULL) {
		int ret;
	        int res, size = 1024;
	        char chars[1024];
                xmlParserCtxtPtr ctxt;

		/* if (repeat) size = 1024; */
		res = fread(chars, 1, 4, f);
		if (res > 0) {
		    ctxt = xmlCreatePushParserCtxt(NULL, NULL,
		                chars, res, filename);
		    xmlCtxtUseOptions(ctxt, options);
		    while ((res = fread(chars, 1, size, f)) > 0) {
			xmlParseChunk(ctxt, chars, res, 0);
		    }
		    xmlParseChunk(ctxt, chars, 0, 1);
		    doc = ctxt->myDoc;
		    ret = ctxt->wellFormed;
		    xmlFreeParserCtxt(ctxt);
		    if (!ret) {
			xmlFreeDoc(doc);
			doc = NULL;
		    }
	        }
	    }
	} else
#endif /* LIBXML_PUSH_ENABLED */
        if (testIO) {
	    if ((filename[0] == '-') && (filename[1] == 0)) {
	        doc = xmlReadFd(0, NULL, NULL, options);
	    } else {
	        FILE *f;

#if defined(_WIN32) || defined (__DJGPP__) && !defined (__CYGWIN__)