web_data.h

it is about embeded system

/***************************************************
  Copyright(C), 2008 , JUST
  File name: web_data.h
  Author: StevenZ      Version: 0.9        Date: 080906
  Description: 点划式网页浏览器相关数据和初始化及释放函数
  History: //修改历史列表
    1. Date:08/07/06
      Author:StevenZ
      Modification:添加触摸屏数据结构及函数
    2. Date:08/07/16 
      Author:StevenZ
      Modification:添加网页数据数据结构及函数
    3. Date:08/09/01
      Author:StevenZ
      Modification:添加表单结构及函数 
***************************************************/

#ifndef _WEB_DATA_H
#define _WEB_DATA_H

#include <sys/types.h>
#include <sys/socket.h> 
#include <time.h>
#include <stdlib.h>
#include <stdio.h>

#define TITLESIZE 255
#define WEBDATASIZE 10
#define FAVORSIZE 20

/*tflag=-1表链接+端口号,tflag=-2表表单,tflag=-3表submit,
		tflag=0表文本,tflag>0表链表表头同时表示结点总数*/
#define IP_PORT_D 	-1 /*格式:L|text|"ip_port"\0*/
#define BLANK_D		-2 /*格式:B|action|method|type1|name1|value1|...|typeN|nameN|valueN\0*/
#define SUBMIT_D 	-3
#define TEXT_D		0  /*格式:T|text\0*/	

//#undef DEBUG
#define DEBUG
#ifdef DEBUG
#define DPRINTF(x...) printf("debug:"##x)
#else
#define DPRINTF(x...)
#endif

/*触摸屏返回值结构体*/
typedef struct{
	unsigned short pressure;/*0:松开 1:首次按下 2:按住*/
	unsigned short x;
	unsigned short y;
	unsigned short pad;
}TS_RET;

/*触摸屏数据结构体*/
struct TS_DATE {
	TS_RET ts_ret;
};

/*收藏夹数据结构体*/
typedef struct{
	char *favor_name[FAVORSIZE];
	char *favor_ip_port[FAVORSIZE];
	int favor_total;
	int favor_current;
}FAVOR_DATA;

/*正文数据结构体*/
struct web_text_list{
	void *text;
	int tflag; /*tflag=-1表链接+端口号,tflag=-2表表单,tflag=-3表submit,
		tflag=0表文本,tflag>0表链表表头同是表示结点总数*/
	int sflag;/*用于保存时的标识符,平时为0*/
	struct web_text_list *prev;
	struct web_text_list *next;
	struct web_text_list *parent;
	struct web_text_list *child;
};

/*网页数据结构体*/
struct Web_Data{
	char *title;
	char *ip_port;/*网址内容,有待确定*/
	struct web_text_list *text_list_head;
	struct web_text_list *current;
	struct timespec download_time;/*网页下载时间*/
	short int need_redownload;	  /*是否需要重新下载网页*/
	short int can_text_forward;  /*每次正文级后退+1,为正数说明可正文级前进-1,重下网页清0*/
	short int can_text_backward; /*每次正文级前进或进入下一级正文+1,
				为正数说明可正文级后退-1,重下网页清0*/
};

/*浏览器数据结构体(包含WEBDATASIZE个网页数据)*/
struct websitedata{
	struct Web_Data web_data[WEBDATASIZE];
	int website_head,website_tail,website_total;
};

/*表单数据结构体*/
typedef struct//一个表单数据结构体
{
	char *action; 	//所要传送的目的地址
	char method[4]; 	//传送方式
	int input_num; 	//总的input项个数
	int submit_num; 	//总的submit个数
	char **type_h; 	//type项头指针
	char **name_h; 	//name项头指针
	char **value_h;	//value项头指针
	char **note_h;	//note项头指针,中文注释
}BLANK;

/*初始化收藏夹数据*/
void favor_data_init(FAVOR_DATA *favor_data);
/*释放收藏夹数据*/
void free_favor_data(FAVOR_DATA *favor_data);

/*初始化触摸屏数据*/
void ts_date_init(struct TS_DATE * b);

/*初始化正文数据*/
void init_web_text_list(struct web_text_list *wtlptr);

/*初始化网页数据*/
void init_web_data(struct Web_Data *wd);
/*释放网页数据*/
void free_web_data(struct Web_Data *wd);

/*初始化浏览器数据*/
void websitedata_init(struct websitedata *wsd);
/*释放浏览器数据*/
void free_websitedata(struct websitedata *wsd);

/*初始化表单数据*/
void blank_init(BLANK *blk);
/*释放表单数据*/
void free_blank(BLANK *pblk);

void ts_date_init(struct TS_DATE * b)
{
  b->ts_ret.pressure=3;
  b->ts_ret.x=0;
  b->ts_ret.y=0;
  b->ts_ret.pad=0;
}



void init_web_text_list(struct web_text_list *wtlptr)
{
	wtlptr->text=NULL;
	wtlptr->tflag=1;	/*head中的tflag表示结点个数,head也算一个结点*/
	wtlptr->sflag=0;
	wtlptr->prev=NULL;
	wtlptr->next=NULL;
	wtlptr->parent=NULL;
	wtlptr->child=NULL;
}



void init_web_data(struct Web_Data *wd)
{
	struct web_text_list *text_head=malloc(sizeof(struct web_text_list));
	init_web_text_list(text_head);
	wd->text_list_head=text_head;
	wd->current=text_head;
	wd->need_redownload=0;
	wd->can_text_forward=0;
	wd->can_text_backward=0;
	wd->title=NULL;
	wd->ip_port=NULL;
}



void websitedata_init(struct websitedata *wsd)
{
	int i;
	for(i=0;i<WEBDATASIZE;i++) 
	{
		DPRINTF("init wsd->web_data[%d]\n",i);
		init_web_data(&wsd->web_data[i]);
	}
	wsd->website_head=0;
	wsd->website_tail=0;
	wsd->website_total=0;
}



void blank_init(BLANK *blk)
{
	blk->action=NULL;
	blk->input_num=0;
	blk->submit_num=0;
	blk->type_h=NULL;
	blk->name_h=NULL;
	blk->value_h=NULL;
	blk->note_h=NULL;
}
void free_blank(BLANK *pblk)
{
	int i;
	if(pblk->action)
		free(pblk->action);
	for(i=0;i<pblk->input_num;i++)
	{
		if((pblk->type_h)[i])
			free((pblk->type_h)[i]);
		if((pblk->name_h)[i])
			free((pblk->name_h)[i]);
		if((pblk->value_h)[i])
			free((pblk->value_h)[i]);
		if((pblk->note_h)[i])
			free((pblk->note_h)[i]);	
	}
	if(pblk->type_h)
		free(pblk->type_h);
	if(pblk->name_h)
		free(pblk->name_h);
	if(pblk->value_h)
		free(pblk->value_h);
	if(pblk->note_h)
		free(pblk->note_h);
}
void free_web_data(struct Web_Data *wd)
{
	
	struct web_text_list *wtlptr=wd->text_list_head,*del_wtlptr;
	/*free结构体web_text_list*/
	while(1)
	{
//		DPRINTF("1\n");
		while(1)
		{
			if(wtlptr->next!=NULL||wtlptr->child!=NULL)
			{
				if(wtlptr->next!=NULL)
				{
					wtlptr=wtlptr->next;
					continue;
				}
				else
				{
					wtlptr=wtlptr->child;
					continue;
				}
			}
			else break;	
		}
		
		if(wtlptr->prev!=NULL)
		{
			del_wtlptr=wtlptr;
			wtlptr=wtlptr->prev;
			wtlptr->next=NULL;
//			DPRINTF("2\n");
			if(del_wtlptr->text)
			{
				if(del_wtlptr->tflag==BLANK_D)
					free_blank(del_wtlptr->text);
				else free(del_wtlptr->text);
			}
//			DPRINTF("3\n");
			free(del_wtlptr);
			continue;
		}
		if(wtlptr->parent!=NULL)
		{
			del_wtlptr=wtlptr;
			wtlptr=wtlptr->parent;
			wtlptr->child=NULL;
//			DPRINTF("4\n");
			if(del_wtlptr->text)
			{
				if(del_wtlptr->tflag==BLANK_D)
					free_blank(del_wtlptr->text);
				else free(del_wtlptr->text);
			}
//			DPRINTF("5\n");
			free(del_wtlptr);
			continue;
		}
		break;
	}
//	DPRINTF("6\n");
	free(wtlptr);
	/*free title和ip_port*/
//	DPRINTF("7\n");
	if(wd->title)
		free(wd->title);
	if(wd->ip_port)
//	DPRINTF("8\n");
		free(wd->ip_port);
}
void free_websitedata(struct websitedata *wsd)
{
	int i;
	for(i=0;i<WEBDATASIZE;i++) 
	{
		DPRINTF("free wsd->web_data[%d]\n",i);
		free_web_data(&wsd->web_data[i]);
	}	
}



void favor_data_init(FAVOR_DATA *favor_data)
{
	int i;
	favor_data->favor_total=0;
	favor_data->favor_current=0;
	for(i=0;i<FAVORSIZE;i++)
	{
		favor_data->favor_name[i]=NULL;
	 	favor_data->favor_ip_port[i]=NULL;
	}
}

void free_favor_data(FAVOR_DATA *favor_data)
{
	int i;
	
	DPRINTF("free favor_data now...\n");
	for(i=0;i<favor_data->favor_total;i++)
	{
	     if(favor_data->favor_name[i])
		free(favor_data->favor_name[i]);
             if(favor_data->favor_ip_port[i])
		free(favor_data->favor_ip_port[i]);
	}
}

#endif