c 解析xml文件_xml是什么格式的文件[通俗易懂]

精短高效的XML解析器,纯C单一程序,应用于银行的国税库行横向联网接口系统中,稳定可靠,运行速度飞快,非相应的JAVA程序可比.以下为大部分源码:

/* Copyright (c) 2005 wzs */

#include

#include

#include

#include

#include

#include “xmlparse.h”

/*xml得到节点名值, 返回: 1节点标识名开头, 2节点标识名结尾, 3 注释 , 4元素数据 <=0有错误 */

#define XVAL_NBEGIN 1

#define XVAL_NEND 2

#define XVAL_NOTE 3

#define XVAL_DATA 4

#define XVAL_TAG 5 /* 空标志 */

#define XVAL_NONE 0

#define XVAL_ERROR -1

static int isSpace(int c) /* 是空否 */

{

switch (c) {

case 0x20:

case 0xD:

case 0xA:

case 0x9:

return 1;

}

return 0;

}

static int isNameTChar(int c) /* 有效的名称前导符 */

{

return (c>=’A’ && c<=’Z’) || (c>=’a’ && c<=’z’) || (c==’_’) ;

}

int EqXString (XSTRING *dxs, XSTRING *sxs ) /* X字串赋值 */

{

dxs->text = sxs->text ;

dxs->len = sxs->len ;

return 0;

}

int EqXNode (XNODE *dx, XNODE *sx ) /* X节点赋值 */

{

EqXString ( &(dx->name), &(sx->name) );

dx->index = sx->index ;

dx->parentNode = sx->parentNode ;

dx->level = sx->level ;

dx->tagCount = sx->tagCount ;

EqXString ( &(dx->data), &(sx->data) );

return 0;

}

/* 增加同级节点: */

XNODE *XAddNode(XTREE *xTree , XSTRING *name)

{

if (xTree->curNode->parentNode == NULL || xTree->nodeCount >= xTree->nodeMaxCount ) return NULL ;

(xTree->nodeCount) ++ ;

xTree->preNode = xTree->curNode ;

xTree->curNode = & (xTree->nodeList[ xTree->nodeCount -1 ] ) ;

xTree->curNode->index = xTree->nodeCount -1 ;

EqXString (&(xTree->curNode->name), name);

xTree->curNode->parentNode = xTree->preNode->parentNode ;

xTree->curNode->lev