debugxml.c

SIP（Session Initiation Protocol）是由IETF定义

		ret = xmlStrlen(node->content);
#else
		ret = xmlBufferLength(node->content);
#endif
            }
	    break;
	case XML_ENTITY_REF_NODE:
	case XML_DOCUMENT_TYPE_NODE:
	case XML_ENTITY_NODE:
	case XML_DOCUMENT_FRAG_NODE:
	case XML_NOTATION_NODE:
	case XML_DTD_NODE:
        case XML_ELEMENT_DECL:
        case XML_ATTRIBUTE_DECL:
        case XML_ENTITY_DECL:
	    ret = 1;
	    break;
    }
    for (;list != NULL;ret++) 
        list = list->next;
    return(ret);
}

void xmlLsOneNode(FILE *output, xmlNodePtr node) {
    switch (node->type) {
	case XML_ELEMENT_NODE:
	    fprintf(output, "-");
	    break;
	case XML_ATTRIBUTE_NODE:
	    fprintf(output, "a");
	    break;
	case XML_TEXT_NODE:
	    fprintf(output, "t");
	    break;
	case XML_CDATA_SECTION_NODE:
	    fprintf(output, "c");
	    break;
	case XML_ENTITY_REF_NODE:
	    fprintf(output, "e");
	    break;
	case XML_ENTITY_NODE:
	    fprintf(output, "E");
	    break;
	case XML_PI_NODE:
	    fprintf(output, "p");
	    break;
	case XML_COMMENT_NODE:
	    fprintf(output, "c");
	    break;
	case XML_DOCUMENT_NODE:
	    fprintf(output, "d");
	    break;
	case XML_HTML_DOCUMENT_NODE:
	    fprintf(output, "h");
	    break;
	case XML_DOCUMENT_TYPE_NODE:
	    fprintf(output, "T");
	    break;
	case XML_DOCUMENT_FRAG_NODE:
	    fprintf(output, "F");
	    break;
	case XML_NOTATION_NODE:
	    fprintf(output, "N");
	    break;
	default:
	    fprintf(output, "?");
    }
    if (node->properties != NULL)
	fprintf(output, "a");
    else	
	fprintf(output, "-");
    if (node->nsDef != NULL) 
	fprintf(output, "n");
    else	
	fprintf(output, "-");

    fprintf(output, " %8d ", xmlLsCountNode(node));

    switch (node->type) {
	case XML_ELEMENT_NODE:
	    if (node->name != NULL)
		fprintf(output, "%s", node->name);
	    break;
	case XML_ATTRIBUTE_NODE:
	    if (node->name != NULL)
		fprintf(output, "%s", node->name);
	    break;
	case XML_TEXT_NODE:
	    if (node->content != NULL) {
#ifndef XML_USE_BUFFER_CONTENT	    
		xmlDebugDumpString(output, node->content);
#else
		xmlDebugDumpString(output, xmlBufferContent(node->content));
#endif
            }
	    break;
	case XML_CDATA_SECTION_NODE:
	    break;
	case XML_ENTITY_REF_NODE:
	    if (node->name != NULL)
		fprintf(output, "%s", node->name);
	    break;
	case XML_ENTITY_NODE:
	    if (node->name != NULL)
		fprintf(output, "%s", node->name);
	    break;
	case XML_PI_NODE:
	    if (node->name != NULL)
		fprintf(output, "%s", node->name);
	    break;
	case XML_COMMENT_NODE:
	    break;
	case XML_DOCUMENT_NODE:
	    break;
	case XML_HTML_DOCUMENT_NODE:
	    break;
	case XML_DOCUMENT_TYPE_NODE:
	    break;
	case XML_DOCUMENT_FRAG_NODE:
	    break;
	case XML_NOTATION_NODE:
	    break;
	default:
	    if (node->name != NULL)
		fprintf(output, "%s", node->name);
    }
    fprintf(output, "\n");
}

/****************************************************************
 *								*
 *	 	The XML shell related functions			*
 *								*
 ****************************************************************/

/*
 * TODO: Improvement/cleanups for the XML shell
 *     - allow to shell out an editor on a subpart
 *     - cleanup function registrations (with help) and calling
 *     - provide registration routines
 */

/**
 * xmlShellList:
 * @ctxt:  the shell context
 * @arg:  unused
 * @node:  a node
 * @node2:  unused
 *
 * Implements the XML shell function "ls"
 * Does an Unix like listing of the given node (like a directory)
 *
 * Returns 0
 */
int
xmlShellList(xmlShellCtxtPtr ctxt, char *arg, xmlNodePtr node,
                  xmlNodePtr node2) {
    xmlNodePtr cur;

    if ((node->type == XML_DOCUMENT_NODE) ||
        (node->type == XML_HTML_DOCUMENT_NODE)) {
        cur = ((xmlDocPtr) node)->children;
    } else if (node->children != NULL) {
        cur = node->children;
    } else {
	xmlLsOneNode(stdout, node);
        return(0);
    }
    while (cur != NULL) {
	xmlLsOneNode(stdout, cur);
	cur = cur->next;
    }
    return(0);
}

/**
 * xmlShellDir:
 * @ctxt:  the shell context
 * @arg:  unused
 * @node:  a node
 * @node2:  unused
 *
 * Implements the XML shell function "dir"
 * dumps informations about the node (namespace, attributes, content).
 *
 * Returns 0
 */
int
xmlShellDir(xmlShellCtxtPtr ctxt, char *arg, xmlNodePtr node,
                  xmlNodePtr node2) {
    if ((node->type == XML_DOCUMENT_NODE) ||
        (node->type == XML_HTML_DOCUMENT_NODE)) {
	xmlDebugDumpDocumentHead(stdout, (xmlDocPtr) node);
    } else if (node->type == XML_ATTRIBUTE_NODE) {
	xmlDebugDumpAttr(stdout, (xmlAttrPtr) node, 0);
    } else {
	xmlDebugDumpOneNode(stdout, node, 0);
    }
    return(0);
}

/**
 * xmlShellCat:
 * @ctxt:  the shell context
 * @arg:  unused
 * @node:  a node
 * @node2:  unused
 *
 * Implements the XML shell function "cat"
 * dumps the serialization node content (XML or HTML).
 *
 * Returns 0
 */
int
xmlShellCat(xmlShellCtxtPtr ctxt, char *arg, xmlNodePtr node,
                  xmlNodePtr node2) {
    if (ctxt->doc->type == XML_HTML_DOCUMENT_NODE) {
#ifdef LIBXML_HTML_ENABLED
	if (node->type == XML_HTML_DOCUMENT_NODE)
	    htmlDocDump(stdout, (htmlDocPtr) node);
	else
	    htmlNodeDumpFile(stdout, ctxt->doc, node);
#else
	if (node->type == XML_DOCUMENT_NODE)
	    xmlDocDump(stdout, (xmlDocPtr) node);
	else
	    xmlElemDump(stdout, ctxt->doc, node);
#endif /* LIBXML_HTML_ENABLED */
    } else {
	if (node->type == XML_DOCUMENT_NODE)
	    xmlDocDump(stdout, (xmlDocPtr) node);
	else
	    xmlElemDump(stdout, ctxt->doc, node);
    }
    printf("\n");
    return(0);
}

/**
 * xmlShellLoad:
 * @ctxt:  the shell context
 * @filename:  the file name
 * @node:  unused
 * @node2:  unused
 *
 * Implements the XML shell function "load"
 * loads a new document specified by the filename
 *
 * Returns 0 or -1 if loading failed
 */
int
xmlShellLoad(xmlShellCtxtPtr ctxt, char *filename, xmlNodePtr node,
             xmlNodePtr node2) {
    xmlDocPtr doc;
    int html = 0;

    if (ctxt->doc != NULL)
	html = (ctxt->doc->type == XML_HTML_DOCUMENT_NODE);

    if (html) {
#ifdef LIBXML_HTML_ENABLED
	doc = htmlParseFile(filename, NULL);
#else	
	printf("HTML support not compiled in\n");
	doc = NULL;
#endif /* LIBXML_HTML_ENABLED */
    } else {
	doc = xmlParseFile(filename);
    }
    if (doc != NULL) {
        if (ctxt->loaded == 1) {
	    xmlFreeDoc(ctxt->doc);
	}
	ctxt->loaded = 1;
#ifdef LIBXML_XPATH_ENABLED
	xmlXPathFreeContext(ctxt->pctxt);
#endif /* LIBXML_XPATH_ENABLED */
	xmlFree(ctxt->filename);
	ctxt->doc = doc;
	ctxt->node = (xmlNodePtr) doc;	 
#ifdef LIBXML_XPATH_ENABLED
	ctxt->pctxt = xmlXPathNewContext(doc);
#endif /* LIBXML_XPATH_ENABLED */
	ctxt->filename = (char *) xmlStrdup((xmlChar *) filename);
    } else
        return(-1);
    return(0);
}

/**
 * xmlShellWrite:
 * @ctxt:  the shell context
 * @filename:  the file name
 * @node:  a node in the tree
 * @node2:  unused
 *
 * Implements the XML shell function "write"
 * Write the current node to the filename, it saves the serailization
 * of the subtree under the @node specified
 *
 * Returns 0 or -1 in case of error
 */
int
xmlShellWrite(xmlShellCtxtPtr ctxt, char *filename, xmlNodePtr node,
                  xmlNodePtr node2) {
    if (node == NULL)
        return(-1);
    if ((filename == NULL) || (filename[0] == 0)) {
        fprintf(stderr, "Write command requires a filename argument\n");
	return(-1);
    }
#ifdef W_OK
    if (access((char *) filename, W_OK)) {
        fprintf(stderr, "Cannot write to %s\n", filename);
	return(-1);
    }
#endif    
    switch(node->type) {
        case XML_DOCUMENT_NODE:
	    if (xmlSaveFile((char *) filename, ctxt->doc) < -1) {
		fprintf(stderr, "Failed to write to %s\n", filename);
		return(-1);
	    }
	    break;
        case XML_HTML_DOCUMENT_NODE:
#ifdef LIBXML_HTML_ENABLED
	    if (htmlSaveFile((char *) filename, ctxt->doc) < 0) {
		fprintf(stderr, "Failed to write to %s\n", filename);
		return(-1);
	    }
#else
	    if (xmlSaveFile((char *) filename, ctxt->doc) < -1) {
		fprintf(stderr, "Failed to write to %s\n", filename);
		return(-1);
	    }
#endif /* LIBXML_HTML_ENABLED */
	    break;
	default: {
	    FILE *f;

	    f = fopen((char *) filename, "w");
	    if (f == NULL) {
		fprintf(stderr, "Failed to write to %s\n", filename);
		return(-1);
	    }
	    xmlElemDump(f, ctxt->doc, node);
	    fclose(f);
	}
    }
    return(0);
}

/**
 * xmlShellSave:
 * @ctxt:  the shell context
 * @filename:  the file name (optionnal)
 * @node:  unused
 * @node2:  unused
 *
 * Implements the XML shell function "save"
 * Write the current document to the filename, or it's original name
 *
 * Returns 0 or -1 in case of error
 */
int 
xmlShellSave(xmlShellCtxtPtr ctxt, char *filename, xmlNodePtr node,
             xmlNodePtr node2) {
    if (ctxt->doc == NULL)
	return(-1);
    if ((filename == NULL) || (filename[0] == 0))
        filename = ctxt->filename;
#ifdef W_OK
    if (access((char *) filename, W_OK)) {
        fprintf(stderr, "Cannot save to %s\n", filename);
	return(-1);
    }
#endif
    switch(ctxt->doc->type) {
        case XML_DOCUMENT_NODE:
	    if (xmlSaveFile((char *) filename, ctxt->doc) < 0) {
		fprintf(stderr, "Failed to save to %s\n", filename);
	    }
	    break;
        case XML_HTML_DOCUMENT_NODE:
#ifdef LIBXML_HTML_ENABLED
	    if (htmlSaveFile((char *) filename, ctxt->doc) < 0) {
		fprintf(stderr, "Failed to save to %s\n", filename);
	    }
#else
	    if (xmlSaveFile((char *) filename, ctxt->doc) < 0) {
		fprintf(stderr, "Failed to save to %s\n", filename);
	    }
#endif /* LIBXML_HTML_ENABLED */
	    break;
	default:
	    fprintf(stderr, 
	      "To save to subparts of a document use the 'write' command\n");
	    return(-1);
	    
    }
    return(0);
}

/**
 * xmlShellValidate:
 * @ctxt:  the shell context
 * @dtd:  the DTD URI (optionnal)
 * @node:  unused
 * @node2:  unused
 *
 * Implements the XML shell function "validate"
 * Validate the document, if a DTD path is provided, then the validation
 * is done against the given DTD.
 *
 * Returns 0 or -1 in case of error
 */
int 
xmlShellValidate(xmlShellCtxtPtr ctxt, char *dtd, xmlNodePtr node,
                 xmlNodePtr node2) {
    xmlValidCtxt vctxt;
    int res = -1;

    vctxt.userData = stderr;
    vctxt.error = (xmlValidityErrorFunc) fprintf;
    vctxt.warning = (xmlValidityWarningFunc) fprintf;