嵌入式培训机构四个月实训课程笔记（完整版）-C语言综合练习-歌词解析器（物联技术666）
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物联技术666_嵌入式C语言开发,嵌入式硬件,嵌入式培训笔记-CSDN博客物联技术666擅长嵌入式C语言开发,嵌入式硬件,嵌入式培训笔记,等方面的知识,物联技术666关注机器学习,arm开发,物联网,嵌入式硬件,单片机领域.https://blog.csdn.net/weixin_39804904?type=blog
歌词解析器：做一个如下图的歌词解析器
===================== 代码实现 ================
//--------------------------------main.c
#include
#include
#include "link.h"
int main()
{
LRC_INFO *pf;
FILE *fd;
int size,rsize,t,num1=0;
char *pbuffer=NULL,*p;
char a[4][100]={{""},{""},{""},{""}};
int hour=0,minute=0,second=0;
unsigned int num=0;
LRC_INFO *head=NULL;
if( (fd = fopen("简单爱.lrc","rb")) == NULL )//当前路径
{
printf("No Lrc File!\n"); //打开歌词文件
}
else
{
fseek(fd,0,2);
size = ftell(fd);
rewind(fd);
pbuffer = (char *)malloc(size+1);
rsize = fread(pbuffer,1,size,fd); //将全部歌词读到缓冲区
fclose(fd);
*(pbuffer+rsize)='\0';
}
p=Message_Song(pbuffer);
head=Message_Song_Play(head,p);
ShellExecute( NULL, NULL, "TTPlayer.exe","简单爱.mp3",NULL,1); //执行千千静
/*
第一个值为背景色，第二个值为前景色：
0 = 黑 8 = 灰
1 = 蓝 9 = 淡蓝
2 = 绿 A = 淡绿
3 = 湖蓝 B = 淡浅绿
4 = 红 C = 淡红
5 = 紫 D = 淡紫
6 = 黄 E = 淡黄
7 = 白 F = 亮白
*/
//设置接下来终端显示文本的背景色和文本颜色
while(1)
{
system("cls");
SetText_Color(0x0f);
p=Message_Song(pbuffer);
GoToXY(25,5);
printf("时间：%02d:%02d:%02d\n\n\n",hour,minute,second);
GoToXY(20,8);
SetText_Color(0x0f);
printf("%s\n",a[3]);
GoToXY(20,9);
printf("%s\n",a[2]);
GoToXY(20,10);
printf("%s\n",a[1]);
GoToXY(20,11);
SetText_Color(0x0c);
printf("%s\n",a[0]);
Sleep(1000);
if(++second >= 60)
{
second = 0;
if(++minute >= 60)
{
minute = 0;
if(++hour >= 24)
{
hour = 0;
}
}
}
t=hour*60*60+minute*60+second;
if (((head->Time)/100)==t)
{
pf=head;
num1++;
if (num1<4)
{
if (num1==1)
strcpy(a[0],head->LrcText);
if(num1==2)
{
strcpy(a[1],a[0]);
strcpy(a[0],head->LrcText);
}
if (num1==3)
{
strcpy(a[2],a[1]);
strcpy(a[1],a[0]);
strcpy(a[0],head->LrcText);
}
}
else
{
strcpy(a[3],a[2]);
strcpy(a[2],a[1]);
strcpy(a[1],a[0]);
strcpy(a[0],head->LrcText);
}
head=pf;
head=head->next;
free(pf);
}
if (head==NULL)
{
free(pbuffer);
break;
}
}
free(pbuffer);
return 0;
}
//-------------------------link.c
#include
#include
#include
#include "link.h"
/*
终端打印控制子程序，获取光标位置，将光标移到到指定位置
*/
//获取当前光标位置，并存放到变量 x,y中
void whereXY(int *x,int *y)
{
HANDLE h1;
CONSOLE_SCREEN_BUFFER_INFO scrInfo;
h1=GetStdHandle(STD_OUTPUT_HANDLE);
GetConsoleScreenBufferInfo(h1,&scrInfo);
*x=scrInfo.dwCursorPosition.X;
*y=scrInfo.dwCursorPosition.Y;
}
//跳转到光标指定位置
void GoToXY(int x,int y)
{
HANDLE h1;
COORD pos;
pos.X=x;
pos.Y=y;
h1=GetStdHandle(STD_OUTPUT_HANDLE);
SetConsoleCursorPosition(h1,pos);
}
/*
第一个值为背景色，第二个值为前景色：
0 = 黑 8 = 灰
1 = 蓝 9 = 淡蓝
2 = 绿 A = 淡绿
3 = 湖蓝 B = 淡浅绿
4 = 红 C = 淡红
5 = 紫 D = 淡紫
6 = 黄 E = 淡黄
7 = 白 F = 亮白
*/
//设置接下来终端显示文本的背景色和文本颜色
void SetText_Color(int color)
{
HANDLE hStdout;
hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
SetConsoleTextAttribute(hStdout,color);
}
//----------------------------------------
//char * Message_Song(char* pbuffer)
//参数：pbuffer:歌曲内存的首地址
//作用：显示歌曲的信息
//返回：返回歌曲开始的首地址
//----------------------------------------
char * Message_Song(char* pbuffer)
{
char *ph,*plf,*plb;
char num[100];
ph=pbuffer;
if(strstr(pbuffer,"ti:")!=0)
{
memset(num,0,100);
plf=strstr(pbuffer,"ti:");
plb=strstr(plf,"]");
strncpy(num,plf,plb-plf);
printf("%s\n",num);
}
if(strstr(pbuffer,"ar:")!=0)
{
memset(num,0,100);
plf=strstr(pbuffer,"ar:");
plb=strstr(plf,"]");
strncpy(num,plf,plb-plf);
printf("%s\n",num);
}
if(strstr(pbuffer,"al:")!=0)
{
memset(num,0,100);
plf=strstr(pbuffer,"al:");
plb=strstr(plf,"]");
strncpy(num,plf,plb-plf);
printf("%s\n",num);
}
if (strstr(pbuffer,"by:")!=0)
{
memset(num,0,100);
plf=strstr(pbuffer,"by:");
plb=strstr(plf,"]");
strncpy(num,plf,plb-plf);
printf("%s\n",num);
ph=plb+2;
}
return ph;
}
//----------------------------------------
//LRC_INFO * insert(LRC_INFO *head,char *txt,int n)
//参数：head:链表首地址，txt新结构体的文本输入，n新结构体的数字输入
//作用：建立有序链表
//返回：返回链表的首地址
//----------------------------------------
LRC_INFO *insert(LRC_INFO *head,char *txt,int n)
{
LRC_INFO *pc,*pf,*pb;
char c[200]="0";
pf=pb=head;
pc=(LRC_INFO *)malloc(sizeof(LRC_INFO));
strcpy(pc->LrcText,txt);
pc->Time=n;
if(head==NULL)
{
head=pc;
head->next=NULL;
}
else
{
while((pc->Time > pb->Time)&&pb->next!=NULL)
{
pf=pb;
pb=pf->next;
}
if (pb->next==NULL&&head->next!=NULL)
{
if (pc->Time > pb->Time)
{
pb->next=pc;
pc->next=NULL;
}
else
{
pf->next=pc;
pc->next=pb;
}
}
else if (pb->next==NULL&&head->next==NULL)
{
if (pc->Time >= head->Time)
{
head->next=pc;
pc->next=NULL;
}
else
{
pc->next=head;
head=pc;
}
}
else
{
if (pb==head)
{
head=pc;
pc->next=pb;
}
else
{
pf->next=pc;
pc->next=pb;
}
}
}
return head;
}
//----------------------------------------
//LRC_INFO * Message_Song_Play(LRC_INFO *head,char *p)
//参数：head:链表首地址，p：歌词的开始地址
//作用：把歌词有序的压入链表，以时间顺序
//返回：返回链表的首地址
//----------------------------------------
LRC_INFO *Message_Song_Play(LRC_INFO *head,char *p)
{
char *pb,*end;
int n;
p=strtok(p,"\n");
while (p!=NULL)
{
pb=p;
end=strrchr(pb,']');
while(strchr(pb,'[')!=NULL)
{
pb=strchr(pb,'[');
n=(*(pb+1)-'0')*10*60*100+(*(pb+2)-'0')*60*100+(*(pb+4)-'0')*10*100+(*(pb+5)-'0')*100+(*(pb+7)-'0')*10+(*(pb+8)-'0');
pb++;
head=insert(head,end+1,n);
}
p=strtok(NULL,"\n");
}
return head;
}
//---------------------------------------link.h
#ifndef __LINK_H__
#define __LINK_H__
typedef int s32_t;
typedef unsigned int u32_t;
typedef unsigned short u16_t;
typedef unsigned char u8_t;
typedef struct _LRC_INFO
{
u32_t Time;
char LrcText[100];
struct _LRC_INFO *next;
} LRC_INFO;
//extern LRC_INFO *InsertList( LRC_INFO * head, LRC_INFO *pi);//存入链表，head链表的头地址,pi插入的头地址；
//extern LRC_INFO *GetLrcInfo(char *LrcFile, u32_t FileSize);
//extern void print( LRC_INFO * head);
extern char* Message_Song(char *Lrc_Buffer);//解析歌曲的作者、歌曲名、专辑、歌词制作信息取出
extern LRC_INFO *insert(LRC_INFO *head,char *txt,int n);
extern LRC_INFO *Message_Song_Play(LRC_INFO *head,LRC_INFO *p);
//extern LRC_INFO * seach(LRC_INFO *head,int t);
extern void whereXY(int *x,int *y) ;
extern void GoToXY(int x,int y);
extern void SetText_Color(int color) ;
#endif
/*
#if 1
system("color 0 0");//非法操作，提示正确操作说明
system("color 47");//背景红，前景白
SetText_Color(0x47);//文字背景红，前景白
system("pause");
system("cls"); //清屏
#endif
//if( (fd = fopen("D:\\study_test\\clanguage\\lrc_display_demo\\LRC\\简单爱.lrc","rb")) == NULL )//全路径
//if( (fd = fopen("./LRC/简单爱.lrc","rb")) == NULL )//相对路径*/
//--------------------------------------------------
更多配套资料CSDN地址：点赞+关注，功德无量。更多交流+：wulianjishu666
物联技术666_嵌入式C语言开发,嵌入式硬件,嵌入式培训笔记-CSDN博客物联技术666擅长嵌入式C语言开发,嵌入式硬件,嵌入式培训笔记,等方面的知识,物联技术666关注机器学习,arm开发,物联网,嵌入式硬件,单片机领域.https://blog.csdn.net/weixin_39804904?type=blog