diff options
Diffstat (limited to 'Modules/regexpr.h')
| -rw-r--r-- | Modules/regexpr.h | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/Modules/regexpr.h b/Modules/regexpr.h deleted file mode 100644 index 2aee62d..0000000 --- a/Modules/regexpr.h +++ /dev/null @@ -1,155 +0,0 @@ -/* - * -*- mode: c-mode; c-file-style: python -*- - */ - -#ifndef Py_REGEXPR_H -#define Py_REGEXPR_H -#ifdef __cplusplus -extern "C" { -#endif - -/* - * regexpr.h - * - * Author: Tatu Ylonen <ylo@ngs.fi> - * - * Copyright (c) 1991 Tatu Ylonen, Espoo, Finland - * - * Permission to use, copy, modify, distribute, and sell this software - * and its documentation for any purpose is hereby granted without fee, - * provided that the above copyright notice appear in all copies. This - * software is provided "as is" without express or implied warranty. - * - * Created: Thu Sep 26 17:15:36 1991 ylo - * Last modified: Mon Nov 4 15:49:46 1991 ylo - */ - -/* $Id$ */ - -#ifndef REGEXPR_H -#define REGEXPR_H - -#define RE_NREGS 100 /* number of registers available */ - -typedef struct re_pattern_buffer -{ - unsigned char *buffer; /* compiled pattern */ - int allocated; /* allocated size of compiled pattern */ - int used; /* actual length of compiled pattern */ - unsigned char *fastmap; /* fastmap[ch] is true if ch can start pattern */ - unsigned char *translate; /* translation to apply during compilation/matching */ - unsigned char fastmap_accurate; /* true if fastmap is valid */ - unsigned char can_be_null; /* true if can match empty string */ - unsigned char uses_registers; /* registers are used and need to be initialized */ - int num_registers; /* number of registers used */ - unsigned char anchor; /* anchor: 0=none 1=begline 2=begbuf */ -} *regexp_t; - -typedef struct re_registers -{ - int start[RE_NREGS]; /* start offset of region */ - int end[RE_NREGS]; /* end offset of region */ -} *regexp_registers_t; - -/* bit definitions for syntax */ -#define RE_NO_BK_PARENS 1 /* no quoting for parentheses */ -#define RE_NO_BK_VBAR 2 /* no quoting for vertical bar */ -#define RE_BK_PLUS_QM 4 /* quoting needed for + and ? */ -#define RE_TIGHT_VBAR 8 /* | binds tighter than ^ and $ */ -#define RE_NEWLINE_OR 16 /* treat newline as or */ -#define RE_CONTEXT_INDEP_OPS 32 /* ^$?*+ are special in all contexts */ -#define RE_ANSI_HEX 64 /* ansi sequences (\n etc) and \xhh */ -#define RE_NO_GNU_EXTENSIONS 128 /* no gnu extensions */ - -/* definitions for some common regexp styles */ -#define RE_SYNTAX_AWK (RE_NO_BK_PARENS|RE_NO_BK_VBAR|RE_CONTEXT_INDEP_OPS) -#define RE_SYNTAX_EGREP (RE_SYNTAX_AWK|RE_NEWLINE_OR) -#define RE_SYNTAX_GREP (RE_BK_PLUS_QM|RE_NEWLINE_OR) -#define RE_SYNTAX_EMACS 0 - -#define Sword 1 -#define Swhitespace 2 -#define Sdigit 4 -#define Soctaldigit 8 -#define Shexdigit 16 - -/* Rename all exported symbols to avoid conflicts with similarly named - symbols in some systems' standard C libraries... */ - -#define re_syntax _Py_re_syntax -#define re_syntax_table _Py_re_syntax_table -#define re_compile_initialize _Py_re_compile_initialize -#define re_set_syntax _Py_re_set_syntax -#define re_compile_pattern _Py_re_compile_pattern -#define re_match _Py_re_match -#define re_search _Py_re_search -#define re_compile_fastmap _Py_re_compile_fastmap -#define re_comp _Py_re_comp -#define re_exec _Py_re_exec - -#ifdef HAVE_PROTOTYPES - -extern int re_syntax; -/* This is the actual syntax mask. It was added so that Python could do - * syntax-dependent munging of patterns before compilation. */ - -extern unsigned char re_syntax_table[256]; - -void re_compile_initialize(void); - -int re_set_syntax(int syntax); -/* This sets the syntax to use and returns the previous syntax. The - * syntax is specified by a bit mask of the above defined bits. */ - -char *re_compile_pattern(unsigned char *regex, int regex_size, regexp_t compiled); -/* This compiles the regexp (given in regex and length in regex_size). - * This returns NULL if the regexp compiled successfully, and an error - * message if an error was encountered. The buffer field must be - * initialized to a memory area allocated by malloc (or to NULL) before - * use, and the allocated field must be set to its length (or 0 if - * buffer is NULL). Also, the translate field must be set to point to a - * valid translation table, or NULL if it is not used. */ - -int re_match(regexp_t compiled, unsigned char *string, int size, int pos, - regexp_registers_t old_regs); -/* This tries to match the regexp against the string. This returns the - * length of the matched portion, or -1 if the pattern could not be - * matched and -2 if an error (such as failure stack overflow) is - * encountered. */ - -int re_search(regexp_t compiled, unsigned char *string, int size, int startpos, - int range, regexp_registers_t regs); -/* This searches for a substring matching the regexp. This returns the - * first index at which a match is found. range specifies at how many - * positions to try matching; positive values indicate searching - * forwards, and negative values indicate searching backwards. mstop - * specifies the offset beyond which a match must not go. This returns - * -1 if no match is found, and -2 if an error (such as failure stack - * overflow) is encountered. */ - -void re_compile_fastmap(regexp_t compiled); -/* This computes the fastmap for the regexp. For this to have any effect, - * the calling program must have initialized the fastmap field to point - * to an array of 256 characters. */ - -#else /* HAVE_PROTOTYPES */ - -extern int re_syntax; -extern unsigned char re_syntax_table[256]; -void re_compile_initialize(); -int re_set_syntax(); -char *re_compile_pattern(); -int re_match(); -int re_search(); -void re_compile_fastmap(); - -#endif /* HAVE_PROTOTYPES */ - -#endif /* REGEXPR_H */ - - - -#ifdef __cplusplus -} -#endif -#endif /* !Py_REGEXPR_H */ |