[置顶] C语言解析lrc文件

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

#define MAXLINE 256
#define MAXBUF 256

char *tmp;

int chartoint(char ch){
return ch - '0';
}

int strtoint(char *str){//计算时间，微秒
if(isdigit(str[0]) && isdigit(str[1])
&& isdigit(str[0]) && isdigit(str[0])
&& isdigit(str[0]) && isdigit(str[0])){
int mintue = chartoint(str[0]) * 10 + chartoint(str[1]);
int second = chartoint(str[3]) * 10 + chartoint(str[4]);
int microsecond = chartoint(str[6]) * 10 + chartoint(str[7]);
return (mintue * 60 + second) * 1000 + microsecond * 10;
}
return -1;
}

char * praseLRC(char *str, int *time){

if(strlen(str) == 0){//空的行
return NULL;
}else{
char *p, *temp;

p = strchr(str, '[');
if(p != NULL)
if(isdigit(*(p + 1))){
temp = p + 1;
p = strchr(str, ']');
temp[p - temp] = '\0';
//printf("%s\n", temp);
if((*time = strtoint(temp)) < 0){
perror("error time");
exit(1);
}
tmp = p + 1;
while(*p != '\n'){
p++;
}
tmp[p - tmp] = '\0';
//printf("%s", lrc);
return tmp;
}
return NULL;
}
return NULL;
}

int main(){
char buf[MAXLINE];
FILE * fd;
int time[MAXBUF];
int line = 0;
char *lrc[MAXBUF];
tmp = (char *)malloc(sizeof(char) * MAXLINE);
if(tmp == NULL){
perror("malloc buf err");
return 1;
}
//fd = fopen("李玖哲 - 爱不需要理由.lrc", "r");
//fd = fopen("龙梅子 - 你把爱情给了谁.lrc", "r");
fd = fopen("王凝露 - 眼泪的错觉.lrc", "r");
if(fd == NULL){
perror("open file");
exit(1);
}
while(fgets(buf, sizeof(buf), fd) != NULL){
if((lrc[line] = praseLRC(buf, &time[line])) != NULL){
printf("%d\t%s\n", time[line], lrc[line]);
line++;
}
}
return 0;
}