纯C语言XML解析器

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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <varargs.h>
#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