xml.tar.gz_c++ 读xml_xml与tar_日志管理

#include <stdio.h> #include <stddef.h> #include <stdlib.h> #include <string.h> #include <malloc.h> #include <assert.h> #include <libxml/xmlmemory.h> #include <libxml/parser.h> #include <libxml/xpath.h> struct XML_attr{ char attr_name[30+1]; char attr_value[100+1]; }; struct XML_node{ char node_name[30+1]; char node_value[100+1]; }; /* *--------------------------------------------------------------------------*/ int get_xml_attr(xmlNodePtr node_ptr,struct XML_attr xml_attr[],int maxnum) { xmlAttr *attr; int i=0; attr=node_ptr->properties; while(attr!=NULL) { if(attr->children==NULL) { attr=attr->next; continue; } strncpy(xml_attr[i].attr_name,(char *)attr->name,30); strncpy(xml_attr[i].attr_value,(char *)attr->children->content,100); attr=attr->next; i++; if(i>maxnum) { printf("xml attr over limit num\n"); return -1; } } return 0; } /*--------------------------------------------------------------------------- *--------------------------------------------------------------------------*/ int get_xml_node(xmlNodePtr node_ptr,struct XML_node xml_node[],int maxnum) { xmlNodePtr cur; int i=0; cur=node_ptr->children; while(cur!=NULL) { if(cur->children==NULL) { cur=cur->next; continue; } strncpy(xml_node[i].node_name,(char *)cur->name,30); strncpy(xml_node[i].node_value,(char *)cur->children->content,100); cur=cur->next; i++; if(i>maxnum) { printf("xml node over limit num\n"); return -1; } return 0; } /* *--------------------------------------------------------------------------*/ int get_xml_node_ptr(xmlNodePtr node_ptr,char *node_name) { xmlNodePtr cur; cur=node_ptr; while(cur!=NULL) { if((xmlStrcmp(cur->name,node_name))==0) { break; } else cur=cur->next; } if(cur==NULL) return -1; nod_ptr=cur; return 0; } /*--------------------------------------------------------------------------- *--------------------------------------------------------------------------*/ int main() { char value[128]; int ret; int i; xmlDocPtr doc; xmlNodePtr cur; xmlNodePtr attr; xmlNodePtr node; struct XML_attr fmt_attr[3]; struct XML_node meta_node[3]; memset(fmt_attr,0x00,sizeof(fmt_attr)); memset(meta_node,0x00,sizeof(meta_node)); doc=xmlParseFile("dom.xml"); if(doc==NULL) { fprintf(stderr,"empty document\n"); xmlFreeDoc(doc); return -1; } attr=cur; ret=get_xml_attr(attr,fmt_attr,3); assert(!ret); for(i=0;i<3;i++) { printf("attr_name[%d]=%s,attr_value[%d]=%s\n",i,fmt_attr[i].attr_name,i,fmt_attr[i].attr_value); } node=cur->children; ret=get_xml_node_ptr(node,"meta"); assert(!ret); node=cur->children->next; ret=get_xml_node(node,meta_node,3); assert(!ret); for(i=0;i<3;i++) { printf("node_name[%d]=%s,node_value[%d]=%s\n",i,meta_node[i].node_name,i,meta_node[i].node_value); } xmlFreeDoc(doc); return 0; }