xmllint.c

SIP 1.5.0源代码

    if (prompt != NULL)
	fprintf(stdout, "%s", prompt);
    if (!fgets(line_read, 500, stdin))
        return(NULL);
    line_read[500] = 0;
    return(strdup(line_read));
#endif
}

/************************************************************************
 * 									*
 * 			I/O Interfaces					*
 * 									*
 ************************************************************************/

int myRead(FILE *f, char * buffer, int len) {
    return(fread(buffer, 1, len, f));
}
void myClose(FILE *f) {
    fclose(f);
}

/************************************************************************
 * 									*
 * 			Test processing					*
 * 									*
 ************************************************************************/
void parseAndPrintFile(char *filename) {
    xmlDocPtr doc = NULL, tmp;

#ifdef LIBXML_HTML_ENABLED
    if (html) {
	doc = htmlParseFile(filename, NULL);
    } else {
#endif /* LIBXML_HTML_ENABLED */
	/*
	 * build an XML tree from a string;
	 */
	if (push) {
	    FILE *f;

	    f = fopen(filename, "r");
	    if (f != NULL) {
	        int res, size = 3;
	        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);
		    while ((res = fread(chars, 1, size, f)) > 0) {
			xmlParseChunk(ctxt, chars, res, 0);
		    }
		    xmlParseChunk(ctxt, chars, 0, 1);
		    doc = ctxt->myDoc;
		    xmlFreeParserCtxt(ctxt);
	        }
	    }
	} else if (testIO) {
	    int ret;
	    FILE *f;

	    f = fopen(filename, "r");
	    if (f != NULL) {
                xmlParserCtxtPtr ctxt;

		ctxt = xmlCreateIOParserCtxt(NULL, NULL,
			    (xmlInputReadCallback) myRead,
			    (xmlInputCloseCallback) myClose,
			    f, XML_CHAR_ENCODING_NONE);
		xmlParseDocument(ctxt);

		ret = ctxt->wellFormed;
		doc = ctxt->myDoc;
		xmlFreeParserCtxt(ctxt);
		if (!ret) {
		    xmlFreeDoc(doc);
		    doc = NULL;
		}
	    }
	} else if (recovery) {
	    doc = xmlRecoverFile(filename);
	} else if (htmlout) {
	    int ret;
	    xmlParserCtxtPtr ctxt;
	    xmlSAXHandler silent, *old;

	    ctxt = xmlCreateFileParserCtxt(filename);
	    memcpy(&silent, ctxt->sax, sizeof(silent));
	    old = ctxt->sax;
	    silent.error = xmlHTMLError;
	    if (xmlGetWarningsDefaultValue)
		silent.warning = xmlHTMLWarning;
	    else 
		silent.warning = NULL;
	    silent.fatalError = xmlHTMLError;
            ctxt->sax = &silent;
	    ctxt->vctxt.error = xmlHTMLValidityError;
	    if (xmlGetWarningsDefaultValue)
		ctxt->vctxt.warning = xmlHTMLValidityWarning;
	    else 
		ctxt->vctxt.warning = NULL;

	    xmlParseDocument(ctxt);

	    ret = ctxt->wellFormed;
	    doc = ctxt->myDoc;
	    ctxt->sax = old;
	    xmlFreeParserCtxt(ctxt);
	    if (!ret) {
		xmlFreeDoc(doc);
		doc = NULL;
	    }
	} else
	    doc = xmlParseFile(filename);
#ifdef LIBXML_HTML_ENABLED
    }
#endif

#ifdef LIBXML_DEBUG_ENABLED
    /*
     * shell interraction
     */
    if (shell)  
        xmlShell(doc, filename, xmlShellReadline, stdout);
#endif

    /*
     * test intermediate copy if needed.
     */
    if (copy) {
        tmp = doc;
	doc = xmlCopyDoc(doc, 1);
	xmlFreeDoc(tmp);
    }

    if ((insert) && (!html)) {
        const xmlChar* list[256];
	int nb, i;
	xmlNodePtr node;

	if (doc->children != NULL) {
	    node = doc->children;
	    while ((node != NULL) && (node->last == NULL)) node = node->next;
	    if (node != NULL) {
		nb = xmlValidGetValidElements(node->last, NULL, list, 256);
		if (nb < 0) {
		    printf("could not get valid list of elements\n");
		} else if (nb == 0) {
		    printf("No element can be indersted under root\n");
		} else {
		    printf("%d element types can be indersted under root:\n",
		           nb);
		    for (i = 0;i < nb;i++) {
			 printf("%s\n", list[i]);
		    }
		}
	    }
	}    
    }else if (noout == 0) {
	/*
	 * print it.
	 */
#ifdef LIBXML_DEBUG_ENABLED
	if (!debug) {
#endif
	    if (compress)
		xmlSaveFile("-", doc);
	    else
		xmlDocDump(stdout, doc);
#ifdef LIBXML_DEBUG_ENABLED
	} else
	    xmlDebugDumpDocument(stdout, doc);
#endif
    }

    /*
     * A posteriori validation test
     */
    if (postvalid) {
	xmlValidCtxt cvp;
	cvp.userData = (void *) stderr;                                                 cvp.error    = (xmlValidityErrorFunc) fprintf;                                  cvp.warning  = (xmlValidityWarningFunc) fprintf;
	xmlValidateDocument(&cvp, doc);
    }

#ifdef LIBXML_DEBUG_ENABLED
    if ((debugent) && (!html))
	xmlDebugDumpEntities(stdout, doc);
#endif

    /*
     * free it.
     */
    xmlFreeDoc(doc);
}

int main(int argc, char **argv) {
    int i, count;
    int files = 0;

    for (i = 1; i < argc ; i++) {
#ifdef LIBXML_DEBUG_ENABLED
	if ((!strcmp(argv[i], "-debug")) || (!strcmp(argv[i], "--debug")))
	    debug++;
	else if ((!strcmp(argv[i], "-debugent")) || (!strcmp(argv[i], "--debugent")))
	    debugent++;
	else if ((!strcmp(argv[i], "-shell")) ||
	         (!strcmp(argv[i], "--shell"))) {
	    shell++;
            noout = 1;
        } else 
#endif
	if ((!strcmp(argv[i], "-copy")) || (!strcmp(argv[i], "--copy")))
	    copy++;
	else if ((!strcmp(argv[i], "-recover")) ||
	         (!strcmp(argv[i], "--recover")))
	    recovery++;
	else if ((!strcmp(argv[i], "-noent")) ||
	         (!strcmp(argv[i], "--noent")))
	    noent++;
	else if ((!strcmp(argv[i], "-noout")) ||
	         (!strcmp(argv[i], "--noout")))
	    noout++;
	else if ((!strcmp(argv[i], "-htmlout")) ||
	         (!strcmp(argv[i], "--htmlout")))
	    htmlout++;
#ifdef LIBXML_HTML_ENABLED
	else if ((!strcmp(argv[i], "-html")) ||
	         (!strcmp(argv[i], "--html"))) {
	    html++;
        }
#endif /* LIBXML_HTML_ENABLED */
	else if ((!strcmp(argv[i], "-nowrap")) ||
	         (!strcmp(argv[i], "--nowrap")))
	    nowrap++;
	else if ((!strcmp(argv[i], "-valid")) ||
	         (!strcmp(argv[i], "--valid")))
	    valid++;
	else if ((!strcmp(argv[i], "-postvalid")) ||
	         (!strcmp(argv[i], "--postvalid")))
	    postvalid++;
	else if ((!strcmp(argv[i], "-insert")) ||
	         (!strcmp(argv[i], "--insert")))
	    insert++;
	else if ((!strcmp(argv[i], "-repeat")) ||
	         (!strcmp(argv[i], "--repeat")))
	    repeat++;
	else if ((!strcmp(argv[i], "-push")) ||
	         (!strcmp(argv[i], "--push")))
	    push++;
	else if ((!strcmp(argv[i], "-testIO")) ||
	         (!strcmp(argv[i], "--testIO")))
	    testIO++;
	else if ((!strcmp(argv[i], "-compress")) ||
	         (!strcmp(argv[i], "--compress"))) {
	    compress++;
	    xmlSetCompressMode(9);
        }
	else if ((!strcmp(argv[i], "-nowarning")) ||
	         (!strcmp(argv[i], "--nowarning"))) {
	    xmlGetWarningsDefaultValue = 0;
        }
	else if ((!strcmp(argv[i], "-noblanks")) ||
	         (!strcmp(argv[i], "--noblanks"))) {
	     noblanks++;
	     xmlKeepBlanksDefault(0);
        }
    }
    if (noent != 0) xmlSubstituteEntitiesDefault(1);
    if (valid != 0) xmlDoValidityCheckingDefaultValue = 1;
    if ((htmlout) && (!nowrap)) {
	fprintf(stderr,
         "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\"\n");
	fprintf(stderr, "\t\"http://www.w3.org/TR/REC-html40/loose.dtd\">\n");
	fprintf(stderr,
	 "<html><head><title>%s output</title></head>\n",
		argv[0]);
	fprintf(stderr, 
	 "<body bgcolor=\"#ffffff\"><h1 align=\"center\">%s output</h1>\n",
		argv[0]);
    }
    for (i = 1; i < argc ; i++) {
	if (argv[i][0] != '-') {
	    if (repeat) {
		for (count = 0;count < 100 * repeat;count++)
		    parseAndPrintFile(argv[i]);
	    } else
		parseAndPrintFile(argv[i]);
	    files ++;
	}
    }
    if ((htmlout) && (!nowrap)) {
	fprintf(stderr, "</body></html>\n");
    }
    if (files == 0) {
	printf("Usage : %s [--debug] [--debugent] [--copy] [--recover] [--noent] [--noout] [--valid] [--repeat] XMLfiles ...\n",
	       argv[0]);
	printf("\tParse the XML 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");
	printf("\t--shell : run a navigating shell\n");
	printf("\t--debugent : debug the entities defined in the document\n");
#endif
	printf("\t--copy : used to test the internal copy implementation\n");
	printf("\t--recover : output what was parsable on broken XML documents\n");
	printf("\t--noent : substitute entity references by their value\n");
	printf("\t--noout : don't output the result tree\n");
	printf("\t--htmlout : output results as HTML\n");
	printf("\t--nowarp : do not put HTML doc wrapper\n");
	printf("\t--valid : validate the document in addition to std well-formed check\n");
	printf("\t--postvalid : do a posteriori validation, i.e after parsing\n");
	printf("\t--repeat : repeat 100 times, for timing or profiling\n");
	printf("\t--insert : ad-hoc test for valid insertions\n");
	printf("\t--compress : turn on gzip compression of output\n");
#ifdef LIBXML_HTML_ENABLED
	printf("\t--html : use the HTML parser\n");
#endif
	printf("\t--push : use the push mode of the parser\n");
	printf("\t--nowarning : do not emit warnings from parser/validator\n");
	printf("\t--noblanks : drop (ignorable?) blanks spaces\n");
	printf("\t--testIO : test user I/O support\n");
    }
    xmlCleanupParser();
    xmlMemoryDump();

    return(0);
}