From ae2779e504ca5ae11a87e047b4536a5f428cce4d Mon Sep 17 00:00:00 2001 From: pixel Date: Sat, 27 Nov 2004 21:46:02 +0000 Subject: Large dos2unix commit... --- MSVC/readline/mbutil.c | 690 ++++++++++++++++++++++++------------------------- 1 file changed, 345 insertions(+), 345 deletions(-) (limited to 'MSVC/readline/mbutil.c') diff --git a/MSVC/readline/mbutil.c b/MSVC/readline/mbutil.c index a0df9f4..a955778 100644 --- a/MSVC/readline/mbutil.c +++ b/MSVC/readline/mbutil.c @@ -1,345 +1,345 @@ -/* mbutil.c -- readline multibyte character utility functions */ - -/* Copyright (C) 2001 Free Software Foundation, Inc. - - This file is part of the GNU Readline Library, a library for - reading lines of text with interactive input and history editing. - - The GNU Readline Library is free software; you can redistribute it - and/or modify it under the terms of the GNU General Public License - as published by the Free Software Foundation; either version 2, or - (at your option) any later version. - - The GNU Readline Library is distributed in the hope that it will be - useful, but WITHOUT ANY WARRANTY; without even the implied warranty - of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - The GNU General Public License is often shipped with GNU software, and - is generally kept in a file called COPYING or LICENSE. If you do not - have a copy of the license, write to the Free Software Foundation, - 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ -#define READLINE_LIBRARY - -#include "config.h" - -#include -#include -#include "posixjmp.h" - -#if defined (HAVE_UNISTD_H) -# include /* for _POSIX_VERSION */ -#endif /* HAVE_UNISTD_H */ - -#if defined (HAVE_STDLIB_H) -# include -#else -# include "ansi_stdlib.h" -#endif /* HAVE_STDLIB_H */ - -#include -#include - -/* System-specific feature definitions and include files. */ -#include "rldefs.h" -#include "rlmbutil.h" - -#if defined (TIOCSTAT_IN_SYS_IOCTL) -# include -#endif /* TIOCSTAT_IN_SYS_IOCTL */ - -/* Some standard library routines. */ -#include "readline.h" - -#include "rlprivate.h" -#include "xmalloc.h" - -/* Declared here so it can be shared between the readline and history - libraries. */ -#if defined (HANDLE_MULTIBYTE) -int rl_byte_oriented = 0; -#else -int rl_byte_oriented = 1; -#endif - -/* **************************************************************** */ -/* */ -/* Multibyte Character Utility Functions */ -/* */ -/* **************************************************************** */ - -#if defined(HANDLE_MULTIBYTE) - -int -wcwidth (wchar_t wc) -{ - if (wc == 0) - return 0; - else if (0xff < wc) - return 2; - return -1; -} - -static int -_rl_find_next_mbchar_internal (string, seed, count, find_non_zero) - char *string; - int seed, count, find_non_zero; -{ - size_t tmp = 0; - mbstate_t ps; - int point = 0; - wchar_t wc; - - memset(&ps, 0, sizeof (mbstate_t)); - if (seed < 0) - seed = 0; - if (count <= 0) - return seed; - - point = seed + _rl_adjust_point(string, seed, &ps); - /* if this is true, means that seed was not pointed character - started byte. So correct the point and consume count */ - if (seed < point) - count --; - - while (count > 0) - { - tmp = mbrtowc (&wc, string+point, strlen(string + point), &ps); - if ((size_t)(tmp) == (size_t)-1 || (size_t)(tmp) == (size_t)-2) - { - /* invalid bytes. asume a byte represents a character */ - point++; - count--; - /* reset states. */ - memset(&ps, 0, sizeof(mbstate_t)); - } - else if (tmp == (size_t)0) - /* found '\0' char */ - break; - else - { - /* valid bytes */ - point += tmp; - if (find_non_zero) - { - if (wcwidth (wc) == 0) - continue; - else - count--; - } - else - count--; - } - } - - if (find_non_zero) - { - tmp = mbrtowc (&wc, string + point, strlen (string + point), &ps); - while (wcwidth (wc) == 0) - { - point += tmp; - tmp = mbrtowc (&wc, string + point, strlen (string + point), &ps); - if (tmp == (size_t)(0) || tmp == (size_t)(-1) || tmp == (size_t)(-2)) - break; - } - } - return point; -} - -static int -_rl_find_prev_mbchar_internal (string, seed, find_non_zero) - char *string; - int seed, find_non_zero; -{ - mbstate_t ps; - int prev, non_zero_prev, point, length; - size_t tmp; - wchar_t wc; - - memset(&ps, 0, sizeof(mbstate_t)); - length = strlen(string); - - if (seed < 0) - return 0; - else if (length < seed) - return length; - - prev = non_zero_prev = point = 0; - while (point < seed) - { - tmp = mbrtowc (&wc, string + point, length - point, &ps); - if ((size_t)(tmp) == (size_t)-1 || (size_t)(tmp) == (size_t)-2) - { - /* in this case, bytes are invalid or shorted to compose - multibyte char, so assume that the first byte represents - a single character anyway. */ - tmp = 1; - /* clear the state of the byte sequence, because - in this case effect of mbstate is undefined */ - memset(&ps, 0, sizeof (mbstate_t)); - } - else if (tmp == 0) - break; /* Found '\0' char. Can this happen? */ - else - { - if (find_non_zero) - { - if (wcwidth (wc) != 0) - prev = point; - } - else - prev = point; - } - - point += tmp; - } - - return prev; -} - -/* return the number of bytes parsed from the multibyte sequence starting - at src, if a non-L'\0' wide character was recognized. It returns 0, - if a L'\0' wide character was recognized. It returns (size_t)(-1), - if an invalid multibyte sequence was encountered. It returns (size_t)(-2) - if it couldn't parse a complete multibyte character. */ -int -_rl_get_char_len (src, ps) - char *src; - mbstate_t *ps; -{ - size_t tmp; - - tmp = mbrlen((const char *)src, (size_t)strlen (src), ps); - if (tmp == (size_t)(-2)) - { - /* shorted to compose multibyte char */ - memset (ps, 0, sizeof(mbstate_t)); - return -2; - } - else if (tmp == (size_t)(-1)) - { - /* invalid to compose multibyte char */ - /* initialize the conversion state */ - memset (ps, 0, sizeof(mbstate_t)); - return -1; - } - else if (tmp == (size_t)0) - return 0; - else - return (int)tmp; -} - -/* compare the specified two characters. If the characters matched, - return 1. Otherwise return 0. */ -int -_rl_compare_chars (buf1, pos1, ps1, buf2, pos2, ps2) - char *buf1, *buf2; - mbstate_t *ps1, *ps2; - int pos1, pos2; -{ - int i, w1, w2; - - if ((w1 = _rl_get_char_len (&buf1[pos1], ps1)) <= 0 || - (w2 = _rl_get_char_len (&buf2[pos2], ps2)) <= 0 || - (w1 != w2) || - (buf1[pos1] != buf2[pos2])) - return 0; - - for (i = 1; i < w1; i++) - if (buf1[pos1+i] != buf2[pos2+i]) - return 0; - - return 1; -} - -/* adjust pointed byte and find mbstate of the point of string. - adjusted point will be point <= adjusted_point, and returns - differences of the byte(adjusted_point - point). - if point is invalied (point < 0 || more than string length), - it returns -1 */ -int -_rl_adjust_point(string, point, ps) - char *string; - int point; - mbstate_t *ps; -{ - size_t tmp = 0; - int length; - int pos = 0; - - length = strlen(string); - if (point < 0) - return -1; - if (length < point) - return -1; - - while (pos < point) - { - tmp = mbrlen (string + pos, length - pos, ps); - if((size_t)(tmp) == (size_t)-1 || (size_t)(tmp) == (size_t)-2) - { - /* in this case, bytes are invalid or shorted to compose - multibyte char, so assume that the first byte represents - a single character anyway. */ - pos++; - /* clear the state of the byte sequence, because - in this case effect of mbstate is undefined */ - memset (ps, 0, sizeof (mbstate_t)); - } - else - pos += tmp; - } - - return (pos - point); -} - -int -_rl_is_mbchar_matched (string, seed, end, mbchar, length) - char *string; - int seed, end; - char *mbchar; - int length; -{ - int i; - - if ((end - seed) < length) - return 0; - - for (i = 0; i < length; i++) - if (string[seed + i] != mbchar[i]) - return 0; - return 1; -} -#endif /* HANDLE_MULTIBYTE */ - -/* Find next `count' characters started byte point of the specified seed. - If flags is MB_FIND_NONZERO, we look for non-zero-width multibyte - characters. */ -#undef _rl_find_next_mbchar -int -_rl_find_next_mbchar (string, seed, count, flags) - char *string; - int seed, count, flags; -{ -#if defined (HANDLE_MULTIBYTE) - return _rl_find_next_mbchar_internal (string, seed, count, flags); -#else - return (seed + count); -#endif -} - -/* Find previous character started byte point of the specified seed. - Returned point will be point <= seed. If flags is MB_FIND_NONZERO, - we look for non-zero-width multibyte characters. */ -#undef _rl_find_prev_mbchar -int -_rl_find_prev_mbchar (string, seed, flags) - char *string; - int seed, flags; -{ -#if defined (HANDLE_MULTIBYTE) - return _rl_find_prev_mbchar_internal (string, seed, flags); -#else - return ((seed == 0) ? seed : seed - 1); -#endif -} +/* mbutil.c -- readline multibyte character utility functions */ + +/* Copyright (C) 2001 Free Software Foundation, Inc. + + This file is part of the GNU Readline Library, a library for + reading lines of text with interactive input and history editing. + + The GNU Readline Library is free software; you can redistribute it + and/or modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 2, or + (at your option) any later version. + + The GNU Readline Library is distributed in the hope that it will be + useful, but WITHOUT ANY WARRANTY; without even the implied warranty + of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + The GNU General Public License is often shipped with GNU software, and + is generally kept in a file called COPYING or LICENSE. If you do not + have a copy of the license, write to the Free Software Foundation, + 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ +#define READLINE_LIBRARY + +#include "config.h" + +#include +#include +#include "posixjmp.h" + +#if defined (HAVE_UNISTD_H) +# include /* for _POSIX_VERSION */ +#endif /* HAVE_UNISTD_H */ + +#if defined (HAVE_STDLIB_H) +# include +#else +# include "ansi_stdlib.h" +#endif /* HAVE_STDLIB_H */ + +#include +#include + +/* System-specific feature definitions and include files. */ +#include "rldefs.h" +#include "rlmbutil.h" + +#if defined (TIOCSTAT_IN_SYS_IOCTL) +# include +#endif /* TIOCSTAT_IN_SYS_IOCTL */ + +/* Some standard library routines. */ +#include "readline.h" + +#include "rlprivate.h" +#include "xmalloc.h" + +/* Declared here so it can be shared between the readline and history + libraries. */ +#if defined (HANDLE_MULTIBYTE) +int rl_byte_oriented = 0; +#else +int rl_byte_oriented = 1; +#endif + +/* **************************************************************** */ +/* */ +/* Multibyte Character Utility Functions */ +/* */ +/* **************************************************************** */ + +#if defined(HANDLE_MULTIBYTE) + +int +wcwidth (wchar_t wc) +{ + if (wc == 0) + return 0; + else if (0xff < wc) + return 2; + return -1; +} + +static int +_rl_find_next_mbchar_internal (string, seed, count, find_non_zero) + char *string; + int seed, count, find_non_zero; +{ + size_t tmp = 0; + mbstate_t ps; + int point = 0; + wchar_t wc; + + memset(&ps, 0, sizeof (mbstate_t)); + if (seed < 0) + seed = 0; + if (count <= 0) + return seed; + + point = seed + _rl_adjust_point(string, seed, &ps); + /* if this is true, means that seed was not pointed character + started byte. So correct the point and consume count */ + if (seed < point) + count --; + + while (count > 0) + { + tmp = mbrtowc (&wc, string+point, strlen(string + point), &ps); + if ((size_t)(tmp) == (size_t)-1 || (size_t)(tmp) == (size_t)-2) + { + /* invalid bytes. asume a byte represents a character */ + point++; + count--; + /* reset states. */ + memset(&ps, 0, sizeof(mbstate_t)); + } + else if (tmp == (size_t)0) + /* found '\0' char */ + break; + else + { + /* valid bytes */ + point += tmp; + if (find_non_zero) + { + if (wcwidth (wc) == 0) + continue; + else + count--; + } + else + count--; + } + } + + if (find_non_zero) + { + tmp = mbrtowc (&wc, string + point, strlen (string + point), &ps); + while (wcwidth (wc) == 0) + { + point += tmp; + tmp = mbrtowc (&wc, string + point, strlen (string + point), &ps); + if (tmp == (size_t)(0) || tmp == (size_t)(-1) || tmp == (size_t)(-2)) + break; + } + } + return point; +} + +static int +_rl_find_prev_mbchar_internal (string, seed, find_non_zero) + char *string; + int seed, find_non_zero; +{ + mbstate_t ps; + int prev, non_zero_prev, point, length; + size_t tmp; + wchar_t wc; + + memset(&ps, 0, sizeof(mbstate_t)); + length = strlen(string); + + if (seed < 0) + return 0; + else if (length < seed) + return length; + + prev = non_zero_prev = point = 0; + while (point < seed) + { + tmp = mbrtowc (&wc, string + point, length - point, &ps); + if ((size_t)(tmp) == (size_t)-1 || (size_t)(tmp) == (size_t)-2) + { + /* in this case, bytes are invalid or shorted to compose + multibyte char, so assume that the first byte represents + a single character anyway. */ + tmp = 1; + /* clear the state of the byte sequence, because + in this case effect of mbstate is undefined */ + memset(&ps, 0, sizeof (mbstate_t)); + } + else if (tmp == 0) + break; /* Found '\0' char. Can this happen? */ + else + { + if (find_non_zero) + { + if (wcwidth (wc) != 0) + prev = point; + } + else + prev = point; + } + + point += tmp; + } + + return prev; +} + +/* return the number of bytes parsed from the multibyte sequence starting + at src, if a non-L'\0' wide character was recognized. It returns 0, + if a L'\0' wide character was recognized. It returns (size_t)(-1), + if an invalid multibyte sequence was encountered. It returns (size_t)(-2) + if it couldn't parse a complete multibyte character. */ +int +_rl_get_char_len (src, ps) + char *src; + mbstate_t *ps; +{ + size_t tmp; + + tmp = mbrlen((const char *)src, (size_t)strlen (src), ps); + if (tmp == (size_t)(-2)) + { + /* shorted to compose multibyte char */ + memset (ps, 0, sizeof(mbstate_t)); + return -2; + } + else if (tmp == (size_t)(-1)) + { + /* invalid to compose multibyte char */ + /* initialize the conversion state */ + memset (ps, 0, sizeof(mbstate_t)); + return -1; + } + else if (tmp == (size_t)0) + return 0; + else + return (int)tmp; +} + +/* compare the specified two characters. If the characters matched, + return 1. Otherwise return 0. */ +int +_rl_compare_chars (buf1, pos1, ps1, buf2, pos2, ps2) + char *buf1, *buf2; + mbstate_t *ps1, *ps2; + int pos1, pos2; +{ + int i, w1, w2; + + if ((w1 = _rl_get_char_len (&buf1[pos1], ps1)) <= 0 || + (w2 = _rl_get_char_len (&buf2[pos2], ps2)) <= 0 || + (w1 != w2) || + (buf1[pos1] != buf2[pos2])) + return 0; + + for (i = 1; i < w1; i++) + if (buf1[pos1+i] != buf2[pos2+i]) + return 0; + + return 1; +} + +/* adjust pointed byte and find mbstate of the point of string. + adjusted point will be point <= adjusted_point, and returns + differences of the byte(adjusted_point - point). + if point is invalied (point < 0 || more than string length), + it returns -1 */ +int +_rl_adjust_point(string, point, ps) + char *string; + int point; + mbstate_t *ps; +{ + size_t tmp = 0; + int length; + int pos = 0; + + length = strlen(string); + if (point < 0) + return -1; + if (length < point) + return -1; + + while (pos < point) + { + tmp = mbrlen (string + pos, length - pos, ps); + if((size_t)(tmp) == (size_t)-1 || (size_t)(tmp) == (size_t)-2) + { + /* in this case, bytes are invalid or shorted to compose + multibyte char, so assume that the first byte represents + a single character anyway. */ + pos++; + /* clear the state of the byte sequence, because + in this case effect of mbstate is undefined */ + memset (ps, 0, sizeof (mbstate_t)); + } + else + pos += tmp; + } + + return (pos - point); +} + +int +_rl_is_mbchar_matched (string, seed, end, mbchar, length) + char *string; + int seed, end; + char *mbchar; + int length; +{ + int i; + + if ((end - seed) < length) + return 0; + + for (i = 0; i < length; i++) + if (string[seed + i] != mbchar[i]) + return 0; + return 1; +} +#endif /* HANDLE_MULTIBYTE */ + +/* Find next `count' characters started byte point of the specified seed. + If flags is MB_FIND_NONZERO, we look for non-zero-width multibyte + characters. */ +#undef _rl_find_next_mbchar +int +_rl_find_next_mbchar (string, seed, count, flags) + char *string; + int seed, count, flags; +{ +#if defined (HANDLE_MULTIBYTE) + return _rl_find_next_mbchar_internal (string, seed, count, flags); +#else + return (seed + count); +#endif +} + +/* Find previous character started byte point of the specified seed. + Returned point will be point <= seed. If flags is MB_FIND_NONZERO, + we look for non-zero-width multibyte characters. */ +#undef _rl_find_prev_mbchar +int +_rl_find_prev_mbchar (string, seed, flags) + char *string; + int seed, flags; +{ +#if defined (HANDLE_MULTIBYTE) + return _rl_find_prev_mbchar_internal (string, seed, flags); +#else + return ((seed == 0) ? seed : seed - 1); +#endif +} -- cgit v1.2.3