從xml或yml檔案中讀取資料
阿新 • • 發佈:2019-02-17
typedef struct CvFileStorage
{
int flags;
int is_xml;
int write_mode;
int is_first;
CvMemStorage* memstorage;
CvMemStorage* dststorage;
CvMemStorage* strstorage;
CvStringHash* str_hash;
CvSeq* roots;
CvSeq* write_stack;
int struct_indent;
int struct_flags;
CvString struct_tag;
int space;
char* filename;
FILE* file;
char* buffer;
char* buffer_start;
char* buffer_end;
int wrap_margin;
int lineno;
int dummy_eof;
const char* errmsg;
char errmsgbuf[128];
CvStartWriteStruct start_write_struct;
CvEndWriteStruct end_write_struct;
CvWriteInt write_int;
CvWriteReal write_real;
CvWriteString write_string;
CvWriteComment write_comment;
CvStartNextStream start_next_stream;
//CvParse parse;
}
CvFileStorage;
CvFileStorage結構是一個“黑箱”,代表著和磁碟上檔案相關聯的檔案儲存器。下面介紹的一些函式使用CvFileStorage作為輸入並允許使用者去儲存或裝入分層次的集合,包括標量值、標準的CXCORE物件(如矩陣、序列、影象)和使用者定義的物件等。