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#ifndef __LOAD_TABLE_INFO_COMMON_H__
#define __LOAD_TABLE_INFO_COMMON_H__
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
using namespace std;
template <class table_info_type>
class LoadTableInfo{
private:
char table_path[256];
char *get_filecont_line(char *line_content, int32_t cont_size, FILE *fp);
int32_t (*fill_cb)(char *line_content, table_info_type *table, int32_t table_index);
public:
LoadTableInfo(const char *table_confile, int32_t (*fill_table_info_cb)(char *line_content, table_info_type *table, int32_t table_index))
{
snprintf(table_path, 256, "%s", table_confile);
fill_cb = fill_table_info_cb;
}
virtual ~LoadTableInfo()
{
}
int load_table_info(table_info_type **table_lists, int *num);
};
template <class table_info_type>
char *LoadTableInfo<table_info_type>::get_filecont_line(char *line_content, int32_t cont_size, FILE *fp)
{
int line_len;
char *content=NULL;
while(NULL!=fgets(line_content, cont_size, fp) && !feof(fp))
{
line_len = strlen(line_content);
if((line_len+1 == cont_size) || (line_content[line_len-1] != '\n'))
{
printf("This line data is too long!\n");
assert(0);
return NULL;
}
content = line_content;
while(line_len>0 && (*content==' ' || *content=='\t'))
{
content++;
line_len--;
}
if(line_len==0 || *content=='#' || *content=='\r' || *content=='\n')
{
continue;
}
return content;
}
return NULL;
}
template <class table_info_type>
int LoadTableInfo<table_info_type>::load_table_info(table_info_type **table_lists, int *num)
{
#define MALLOC_TABLE_ARRAY_NUM 8
table_info_type *maat_list;
char *line_content, *cur_content;
FILE *fp_user;
int maat_num=0, maat_max_num=MALLOC_TABLE_ARRAY_NUM;
fp_user = fopen(table_path, "r");
if(fp_user==NULL)
{
assert(0);
return -1;
}
line_content = (char *)calloc(1, 4096);
maat_list = (table_info_type *)calloc(1, maat_max_num*sizeof(table_info_type));
while((cur_content=get_filecont_line(line_content, 4096, fp_user))!=NULL)
{
if(maat_num >= maat_max_num)
{
maat_max_num += MALLOC_TABLE_ARRAY_NUM;
maat_list = (table_info_type *)realloc(maat_list, maat_max_num*sizeof(table_info_type));
memset(maat_list+maat_num, 0, MALLOC_TABLE_ARRAY_NUM*sizeof(table_info_type));
}
if((*fill_cb)(cur_content, &maat_list[maat_num], maat_num))
{
fclose(fp_user);
free(line_content);
return -1;
}
maat_num += 1;
}
*num = maat_num;
*table_lists = maat_list;
fclose(fp_user);
free(line_content);
return 0;
}
#endif
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