word.c

51avr http协议 代码

#include <string.h>
#include "word.h"

bit GetWord(unsigned char *ComBuf,WORDTABLE *WordTable)
{
	int  i=0;	/*ComBuf String pointer*/
	int  j=0;	/*Length of Word */
	int  k=-1;	/*The number of WordTable*/
	char  StrFlag=0;	/*There is "0-9/a-z/A-Z" before " ,()"*/
	char  SentenceEndFlag=0;	/*Sentence end*/
	char data ch;

	WordTable->WordCount=0;
    strcpy(WordTable->buf,ComBuf);
	ch=ComBuf[0];
	while(!SentenceEndFlag&&i<MaxLenComBuf){
		if((ch>='0'&&ch<='9')||(ch>='a'&&ch<='z')||(ch>='A'&&ch<='Z')||(ch=='.'))
		   {
			if(StrFlag==0)
			 {
				StrFlag=1;k=k+1;j=0;
				if(k>=MaxLenWordTable) 
				     return 0;
                WordTable->WordIndex[k]=i;
				WordTable->WordCount=k+1;
			 }
			else{
				if(++j>=MaxLenWord) 
				      return 0;
			}
		}
		else 
		 if(ch==' '||ch==','||ch=='('||ch==')'||ch=='\0')
		   {
			if(StrFlag==1){
				StrFlag=0;j=j+1;
				WordTable->buf[i]='\0';
				WordTable->WordLen[k]=j;
			}
			if(ch=='\0') SentenceEndFlag=1;
		}
		else{
			return 0;
		}
		ch=ComBuf[++i];
	}
	if(i<MaxLenComBuf||ComBuf[MaxLenComBuf]=='\0') return 1;
	else return 0;
}