c91850d055
* OPT: Optimizations in string allocation. [GB.DB] * OPT: Optimization in query making. Storing big blobs inside a field in now about twice faster. [GB.DB.POSTGRESQL] * BUG: Fix string quoting for postgresql >= 8.2. git-svn-id: svn://localhost/gambas/trunk@1687 867c0c6c-44f3-4631-809d-bfa615b0a4ec
163 lines
3.8 KiB
C
163 lines
3.8 KiB
C
/***************************************************************************
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String.h
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The String management routines
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(c) 2000-2007 Benoit Minisini <gambas@users.sourceforge.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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***************************************************************************/
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#ifndef __STRING_H
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#define __STRING_H
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#include "gbx_value.h"
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#include "gbx_debug.h"
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#include "gb_common_string.h"
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typedef
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struct
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{
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int ref;
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int len;
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char data[0];
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}
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PACKED
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STRING;
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typedef
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void (*SUBST_FUNC)(int, char **, int *);
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typedef
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void (*SUBST_ADD_FUNC)(int);
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#define STRING_MAKE_TEMP 32
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typedef
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struct
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{
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char *buffer;
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char *ptr;
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int inc;
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int len;
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int max;
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char temp[STRING_MAKE_TEMP];
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int ntemp;
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}
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STRING_MAKE;
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#define SC_UNICODE ((char *)-1)
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#ifndef __STRING_C
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extern STRING_MAKE STRING_make_buffer;
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#endif
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void STRING_init(void);
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void STRING_exit(void);
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void STRING_new(char **ptr, const char *src, int len);
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void STRING_free_real(char *ptr);
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void STRING_free_later(char *ptr);
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int STRING_get_free_index(void);
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#define STRING_new_temp(_pptr, _src, _len) STRING_new(_pptr, _src, _len), STRING_free_later(*_pptr)
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void STRING_extend(char **ptr, int new_len);
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void STRING_extend_end(char **ptr);
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void STRING_add(char **ptr, const char *src, int len);
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void STRING_add_char(char **ptr, char c);
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void STRING_copy_from_value_temp(char **ptr, VALUE *value);
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void STRING_new_temp_value(VALUE *value, const char *src, int len);
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void STRING_new_constant_value(VALUE *value, const char *src, int len);
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void STRING_char_value(VALUE *value, uchar car);
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void STRING_void_value(VALUE *value);
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char *STRING_subst(const char *str, int len, SUBST_FUNC get_param);
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char *STRING_subst_add(const char *str, int len, SUBST_ADD_FUNC add_param);
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int STRING_conv(char **result, const char *str, int len, const char *src, const char *dst, bool throw);
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char *STRING_conv_file_name(const char *name, int len);
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char *STRING_conv_to_UTF8(const char *name, int len);
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#define STRING_from_ptr(_ptr) ((STRING *)((_ptr) - offsetof(STRING, data)))
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#define STRING_length(_ptr) ((_ptr) == NULL ? 0 : STRING_from_ptr(_ptr)->len)
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#if DEBUG_STRING
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void STRING_free(char **ptr);
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void STRING_ref(char *ptr);
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void STRING_unref(char **ptr);
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#else
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#define STRING_free(_p) \
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({ \
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char **pptr = _p; \
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char *ptr = *pptr; \
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if (ptr) \
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{ \
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STRING_free_real(ptr); \
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*pptr = NULL; \
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} \
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})
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#define STRING_ref(_p) \
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({ \
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char *ptr = _p; \
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if (ptr) \
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STRING_from_ptr(ptr)->ref++; \
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})
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#define STRING_unref(_p) \
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({ \
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char **pptr = _p; \
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char *ptr = *pptr; \
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STRING *str; \
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if (ptr) \
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{ \
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str = STRING_from_ptr(ptr); \
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if ((--str->ref) <= 0) \
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{ \
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STRING_free_real(ptr); \
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*pptr = NULL; \
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} \
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} \
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})
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#endif
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void STRING_unref_keep(char **ptr);
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int STRING_search(const char *ps, int ls, const char *pp, int lp, int is, bool right, bool nocase);
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void STRING_start_len(int len);
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#define STRING_start() STRING_start_len(0)
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char *STRING_end();
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char *STRING_end_temp();
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void STRING_make(const char *src, int len);
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void STRING_make_dump();
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#define STRING_make_char(_c) \
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{ \
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if (STRING_make_buffer.ntemp == STRING_MAKE_TEMP) \
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STRING_make_dump(); \
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STRING_make_buffer.temp[STRING_make_buffer.ntemp++] = (_c); \
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}
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#endif
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