C++ XML_Parser::h_default方法代码示例

static void
_end_element_handler_ns(void *user, const xmlChar *name, const xmlChar * prefix, const xmlChar *URI)
{
	xmlChar    *qualified_name;
	XML_Parser  parser = (XML_Parser) user;

	if (parser->h_end_element == NULL) {
		if (parser->h_default) {
			char *end_element;
			int end_element_len;

			if (prefix) {
				end_element_len = spprintf(&end_element, 0, "</%s:%s>", (char *) prefix, (char *)name);
			} else {
				end_element_len = spprintf(&end_element, 0, "</%s>", (char *)name);
			}
			parser->h_default(parser->user, (const XML_Char *) end_element, end_element_len);
			efree(end_element);
		}
		return;
	}

	_qualify_namespace(parser, name, URI,  &qualified_name);

	parser->h_end_element(parser->user, (const XML_Char *) qualified_name);

	xmlFree(qualified_name);
}

static void
_comment_handler(void *user, const xmlChar *comment)
{
	XML_Parser parser = (XML_Parser) user;

	if (parser->h_default) {
		xmlChar *d_comment;
		int      d_comment_len;

		_build_comment(comment, xmlStrlen(comment), &d_comment, &d_comment_len);
		parser->h_default(parser->user, d_comment, d_comment_len);
		xmlFree(d_comment);
	}
}

static void
_cdata_handler(void *user, const xmlChar *cdata, int cdata_len)
{
	XML_Parser parser = (XML_Parser) user;

	if (parser->h_cdata == NULL) {
		if (parser->h_default) {
			parser->h_default(parser->user, (const XML_Char *) cdata, cdata_len);
		}
		return;
	}

	parser->h_cdata(parser->user, (const XML_Char *) cdata, cdata_len);
}

static void
_pi_handler(void *user, const xmlChar *target, const xmlChar *data)
{
	XML_Parser parser = (XML_Parser) user;

	if (parser->h_pi == NULL) {
		if (parser->h_default) {
			char    *full_pi;
			spprintf(&full_pi, 0, "<?%s %s?>", (char *)target, (char *)data);
			parser->h_default(parser->user, (const XML_Char *) full_pi, strlen(full_pi));
			efree(full_pi);
		}
		return;
	}

	parser->h_pi(parser->user, (const XML_Char *) target, (const XML_Char *) data);
}

static void
_start_element_handler(void *user, const xmlChar *name, const xmlChar **attributes)
{
	XML_Parser  parser = (XML_Parser) user;
	xmlChar    *qualified_name = NULL;

	if (parser->h_start_element == NULL) {
		if (parser->h_default) {
			int attno = 0;

			qualified_name = xmlStrncatNew((xmlChar *)"<", name, xmlStrlen(name));
			if (attributes) {
				while (attributes[attno] != NULL) {
					int att_len;
					char *att_string, *att_name, *att_value;

					att_name = (char *)attributes[attno++];
					att_value = (char *)attributes[attno++];

					att_len = spprintf(&att_string, 0, " %s=\"%s\"", att_name, att_value);

					qualified_name = xmlStrncat(qualified_name, (xmlChar *)att_string, att_len);
					efree(att_string);
				}

			}
			qualified_name = xmlStrncat(qualified_name, (xmlChar *)">", 1);
			parser->h_default(parser->user, (const XML_Char *) qualified_name, xmlStrlen(qualified_name));
			xmlFree(qualified_name);
		}
		return;
	}

	qualified_name = xmlStrdup(name);

	parser->h_start_element(parser->user, (const XML_Char *) qualified_name, (const XML_Char **) attributes);

	xmlFree(qualified_name);
}

static xmlEntityPtr
_get_entity(void *user, const xmlChar *name)
{
	XML_Parser parser = (XML_Parser) user;
	xmlEntityPtr ret = NULL;

	if (parser->parser->inSubset == 0) {
		ret = xmlGetPredefinedEntity(name);
		if (ret == NULL)
			ret = xmlGetDocEntity(parser->parser->myDoc, name);

		if (ret == NULL || (parser->parser->instate != XML_PARSER_ENTITY_VALUE && parser->parser->instate != XML_PARSER_ATTRIBUTE_VALUE)) {
			if (ret == NULL || ret->etype == XML_INTERNAL_GENERAL_ENTITY || ret->etype == XML_INTERNAL_PARAMETER_ENTITY || ret->etype == XML_INTERNAL_PREDEFINED_ENTITY) {
				/* Predefined entities will expand unless no cdata handler is present */
				if (parser->h_default && ! (ret && ret->etype == XML_INTERNAL_PREDEFINED_ENTITY && parser->h_cdata)) {
					xmlChar *entity;
					int      len;
					
					_build_entity(name, xmlStrlen(name), &entity, &len);
					parser->h_default(parser->user, (const xmlChar *) entity, len);
					xmlFree(entity);
				} else {
					/* expat will not expand internal entities if default handler is present otherwise
					it will expand and pass them to cdata handler */
					if (parser->h_cdata && ret) {
						parser->h_cdata(parser->user, ret->content, xmlStrlen(ret->content));
					}
				}
			} else {
				if (ret->etype == XML_EXTERNAL_GENERAL_PARSED_ENTITY) {
					_external_entity_ref_handler(user, ret->name, ret->etype, ret->SystemID, ret->ExternalID, NULL);
				}
			}
		}
	}

	return ret;
}