diff options
Diffstat (limited to 'sql/sql_string.cc')
-rw-r--r-- | sql/sql_string.cc | 120 |
1 files changed, 82 insertions, 38 deletions
diff --git a/sql/sql_string.cc b/sql/sql_string.cc index 2dcda2d40c2..6a42078cbcd 100644 --- a/sql/sql_string.cc +++ b/sql/sql_string.cc @@ -120,7 +120,7 @@ bool String::set(double num,uint decimals) char *pos,*to; VOID(fconvert(num,(int) decimals,&decpt,&sign,buff+1)); - if (!isdigit(buff[1])) + if (!my_isdigit(system_charset_info, buff[1])) { // Nan or Inf pos=buff+1; if (sign) @@ -200,6 +200,7 @@ bool String::copy(const String &str) str_length=str.str_length; bmove(Ptr,str.Ptr,str_length); // May be overlapping Ptr[str_length]=0; + str_charset=str.str_charset; return FALSE; } @@ -231,7 +232,7 @@ bool String::fill(uint32 max_length,char fill_char) void String::strip_sp() { - while (str_length && isspace(Ptr[str_length-1])) + while (str_length && my_isspace(str_charset,Ptr[str_length-1])) str_length--; } @@ -293,10 +294,10 @@ uint32 String::numchars() register uint32 n=0,mblen; register const char *mbstr=Ptr; register const char *end=mbstr+str_length; - if (use_mb(default_charset_info)) + if (use_mb(str_charset)) { while (mbstr < end) { - if ((mblen=my_ismbchar(default_charset_info, mbstr,end))) mbstr+=mblen; + if ((mblen=my_ismbchar(str_charset, mbstr,end))) mbstr+=mblen; else ++mbstr; ++n; } @@ -313,11 +314,11 @@ int String::charpos(int i,uint32 offset) register uint32 mblen; register const char *mbstr=Ptr+offset; register const char *end=Ptr+str_length; - if (use_mb(default_charset_info)) + if (use_mb(str_charset)) { if (i<=0) return i; while (i && mbstr < end) { - if ((mblen=my_ismbchar(default_charset_info, mbstr,end))) mbstr+=mblen; + if ((mblen=my_ismbchar(str_charset, mbstr,end))) mbstr+=mblen; else ++mbstr; --i; } @@ -377,12 +378,14 @@ int String::strstr_case(const String &s,uint32 offset) skipp: while (str != end) { - if (my_sort_order[*str++] == my_sort_order[*search]) + if (str_charset->sort_order[*str++] == str_charset->sort_order[*search]) { register char *i,*j; i=(char*) str; j=(char*) search+1; while (j != search_end) - if (my_sort_order[*i++] != my_sort_order[*j++]) goto skipp; + if (str_charset->sort_order[*i++] != + str_charset->sort_order[*j++]) + goto skipp; return (int) (str-Ptr) -1; } } @@ -456,6 +459,44 @@ bool String::replace(uint32 offset,uint32 arg_length,const String &to) return FALSE; } +// added by Holyfoot for "geometry" needs +int String::reserve(uint32 space_needed, uint32 grow_by) +{ + if (Alloced_length < str_length + space_needed) + { + if (realloc(Alloced_length + max(space_needed, grow_by) - 1)) + return TRUE; + } + return FALSE; +} + +void String::qs_append(const char *str) +{ + int len = strlen(str); + memcpy(Ptr + str_length, str, len + 1); + str_length += len; +} + +void String::qs_append(double d) +{ + char *buff = Ptr + str_length; + sprintf(buff,"%.14g", d); + str_length += strlen(buff); +} + +void String::qs_append(double *d) +{ + double ld; + float8get(ld, (char*) d); + qs_append(ld); +} + +void String::qs_append(const char &c) +{ + Ptr[str_length] = c; + str_length += sizeof(c); +} + int sortcmp(const String *x,const String *y) { @@ -464,15 +505,15 @@ int sortcmp(const String *x,const String *y) uint32 x_len=x->length(),y_len=y->length(),len=min(x_len,y_len); #ifdef USE_STRCOLL - if (use_strcoll(default_charset_info)) + if (use_strcoll(x->str_charset)) { #ifndef CMP_ENDSPACE - while (x_len && isspace(s[x_len-1])) + while (x_len && my_isspace(x->str_charset,s[x_len-1])) x_len--; - while (y_len && isspace(t[y_len-1])) + while (y_len && my_isspace(x->str_charset,t[y_len-1])) y_len--; #endif - return my_strnncoll(default_charset_info, + return my_strnncoll(x->str_charset, (unsigned char *)s,x_len,(unsigned char *)t,y_len); } else @@ -482,9 +523,10 @@ int sortcmp(const String *x,const String *y) y_len-=len; while (len--) { - if (my_sort_order[(uchar) *s++] != my_sort_order[(uchar) *t++]) - return ((int) my_sort_order[(uchar) s[-1]] - - (int) my_sort_order[(uchar) t[-1]]); + if (x->str_charset->sort_order[(uchar) *s++] != + x->str_charset->sort_order[(uchar) *t++]) + return ((int) x->str_charset->sort_order[(uchar) s[-1]] - + (int) x->str_charset->sort_order[(uchar) t[-1]]); } #ifndef CMP_ENDSPACE /* Don't compare end space in strings */ @@ -493,14 +535,14 @@ int sortcmp(const String *x,const String *y) { const char *end=t+y_len; for (; t != end ; t++) - if (!isspace(*t)) + if (!my_isspace(x->str_charset,*t)) return -1; } else { const char *end=s+x_len; for (; s != end ; s++) - if (!isspace(*s)) + if (!my_isspace(x->str_charset,*s)) return 1; } return 0; @@ -542,17 +584,17 @@ String *copy_if_not_alloced(String *to,String *from,uint32 from_length) return from; // Actually an error if ((to->str_length=min(from->str_length,from_length))) memcpy(to->Ptr,from->Ptr,to->str_length); + to->str_charset=from->str_charset; return to; } /* Make it easier to handle different charactersets */ #ifdef USE_MB -#define INC_PTR(A,B) A+=((use_mb_flag && \ - my_ismbchar(default_charset_info,A,B)) ? \ - my_ismbchar(default_charset_info,A,B) : 1) +#define INC_PTR(cs,A,B) A+=((use_mb_flag && \ + my_ismbchar(cs,A,B)) ? my_ismbchar(cs,A,B) : 1) #else -#define INC_PTR(A,B) A++ +#define INC_PTR(cs,A,B) A++ #endif /* @@ -563,18 +605,18 @@ String *copy_if_not_alloced(String *to,String *from,uint32 from_length) */ #ifdef LIKE_CMP_TOUPPER -#define likeconv(A) (uchar) toupper(A) +#define likeconv(s,A) (uchar) my_toupper(s,A) #else -#define likeconv(A) (uchar) my_sort_order[(uchar) (A)] +#define likeconv(s,A) (uchar) (s)->sort_order[(uchar) (A)] #endif -int wild_case_compare(const char *str,const char *str_end, +int wild_case_compare(CHARSET_INFO *cs, const char *str,const char *str_end, const char *wildstr,const char *wildend, char escape) { int result= -1; // Not found, using wildcards #ifdef USE_MB - bool use_mb_flag=use_mb(default_charset_info); + bool use_mb_flag=use_mb(cs); #endif while (wildstr != wildend) { @@ -585,7 +627,7 @@ int wild_case_compare(const char *str,const char *str_end, #ifdef USE_MB int l; if (use_mb_flag && - (l = my_ismbchar(default_charset_info, wildstr, wildend))) + (l = my_ismbchar(cs, wildstr, wildend))) { if (str+l > str_end || memcmp(str, wildstr, l) != 0) return 1; @@ -594,7 +636,7 @@ int wild_case_compare(const char *str,const char *str_end, } else #endif - if (str == str_end || likeconv(*wildstr++) != likeconv(*str++)) + if (str == str_end || likeconv(cs,*wildstr++) != likeconv(cs,*str++)) return(1); // No match if (wildstr == wildend) return (str != str_end); // Match if both are at end @@ -606,7 +648,7 @@ int wild_case_compare(const char *str,const char *str_end, { if (str == str_end) // Skip one char if possible return (result); - INC_PTR(str,str_end); + INC_PTR(cs,str,str_end); } while (++wildstr < wildend && *wildstr == wild_one); if (wildstr == wildend) break; @@ -623,7 +665,7 @@ int wild_case_compare(const char *str,const char *str_end, { if (str == str_end) return (-1); - INC_PTR(str,str_end); + INC_PTR(cs,str,str_end); continue; } break; // Not a wild character @@ -641,10 +683,10 @@ int wild_case_compare(const char *str,const char *str_end, int mblen; LINT_INIT(mblen); if (use_mb_flag) - mblen = my_ismbchar(default_charset_info, wildstr, wildend); + mblen = my_ismbchar(cs, wildstr, wildend); #endif - INC_PTR(wildstr,wildend); // This is compared trough cmp - cmp=likeconv(cmp); + INC_PTR(cs,wildstr,wildend); // This is compared trough cmp + cmp=likeconv(cs,cmp); do { #ifdef USE_MB @@ -662,26 +704,26 @@ int wild_case_compare(const char *str,const char *str_end, break; } } - else if (!my_ismbchar(default_charset_info, str, str_end) && - likeconv(*str) == cmp) + else if (!my_ismbchar(cs, str, str_end) && + likeconv(cs,*str) == cmp) { str++; break; } - INC_PTR(str, str_end); + INC_PTR(cs,str, str_end); } } else { #endif /* USE_MB */ - while (str != str_end && likeconv(*str) != cmp) + while (str != str_end && likeconv(cs,*str) != cmp) str++; if (str++ == str_end) return (-1); #ifdef USE_MB } #endif { - int tmp=wild_case_compare(str,str_end,wildstr,wildend,escape); + int tmp=wild_case_compare(cs,str,str_end,wildstr,wildend,escape); if (tmp <= 0) return (tmp); } @@ -698,7 +740,7 @@ int wild_case_compare(String &match,String &wild, char escape) DBUG_ENTER("wild_case_compare"); DBUG_PRINT("enter",("match='%s', wild='%s', escape='%c'" ,match.ptr(),wild.ptr(),escape)); - DBUG_RETURN(wild_case_compare(match.ptr(),match.ptr()+match.length(), + DBUG_RETURN(wild_case_compare(match.str_charset,match.ptr(),match.ptr()+match.length(), wild.ptr(), wild.ptr()+wild.length(),escape)); } @@ -802,3 +844,5 @@ int wild_compare(String &match,String &wild, char escape) DBUG_RETURN(wild_compare(match.ptr(),match.ptr()+match.length(), wild.ptr(), wild.ptr()+wild.length(),escape)); } + + |