提交 b44a338c 编写于 作者: D Dave Gamble

Optimise out escapable array.


git-svn-id: svn://svn.code.sf.net/p/cjson/code@67 e3330c51-1366-4df0-8b21-3ccf24e3d50e
上级 060e6563
......@@ -248,22 +248,12 @@ static const char *parse_string(cJSON *item,const char *str)
return ptr;
}
static int escapable[256]={ 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1,
0,0,1,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 1,0,0,0,
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0};
/* Render the cstring provided to an escaped version that can be printed. */
static char *print_string_ptr(const char *str,printbuffer *p)
{
const char *ptr;char *ptr2,*out;int len=0,flag=0;unsigned char token;
ptr=str;while (*ptr) flag|=escapable[*ptr++];
for (ptr=str;*ptr;ptr++) flag|=((*ptr>=0 && *ptr<32)||(*ptr=='\"')||(*ptr=='\\'))?1:0;
if (!flag)
{
len=ptr-str;
......
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