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Diffstat (limited to 'libguile/mbstrings.c')
-rw-r--r-- | libguile/mbstrings.c | 505 |
1 files changed, 0 insertions, 505 deletions
diff --git a/libguile/mbstrings.c b/libguile/mbstrings.c deleted file mode 100644 index 41e04bf80..000000000 --- a/libguile/mbstrings.c +++ /dev/null @@ -1,505 +0,0 @@ - - -/* Copyright (C) 1995, 1996 Free Software Foundation, Inc. - * - * This program 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. - * - * This program 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. - * - * You should have received a copy of the GNU General Public License - * along with this software; see the file COPYING. If not, write to - * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - * - * As a special exception, the Free Software Foundation gives permission - * for additional uses of the text contained in its release of GUILE. - * - * The exception is that, if you link the GUILE library with other files - * to produce an executable, this does not by itself cause the - * resulting executable to be covered by the GNU General Public License. - * Your use of that executable is in no way restricted on account of - * linking the GUILE library code into it. - * - * This exception does not however invalidate any other reasons why - * the executable file might be covered by the GNU General Public License. - * - * This exception applies only to the code released by the - * Free Software Foundation under the name GUILE. If you copy - * code from other Free Software Foundation releases into a copy of - * GUILE, as the General Public License permits, the exception does - * not apply to the code that you add in this way. To avoid misleading - * anyone as to the status of such modified files, you must delete - * this exception notice from them. - * - * If you write modifications of your own for GUILE, it is your choice - * whether to permit this exception to apply to your modifications. - * If you do not wish that, delete this exception notice. - */ - - - -#include "extchrs.h" -#include <stdio.h> -#include "_scm.h" -#include "chars.h" -#include "unif.h" -#include "genio.h" -#include "read.h" - -#include "mbstrings.h" - - -SCM_PROC(s_multi_byte_string_p, "multi-byte-string?", 1, 0, 0, scm_multi_byte_string_p); - -SCM -scm_multi_byte_string_p (obj) - SCM obj; -{ - return (SCM_MB_STRINGP (obj) - ? SCM_BOOL_T - : SCM_BOOL_F); -} - - - -SCM -scm_regular_string_p (obj) - SCM obj; -{ - return (SCM_REGULAR_STRINGP (obj) - ? SCM_BOOL_T - : SCM_BOOL_F); -} - -SCM_PROC(s_list_to_multi_byte_string, "list->multi-byte-string", 1, 0, 0, scm_multi_byte_string); -SCM_PROC(s_multi_byte_string, "multi-byte-string", 0, 0, 1, scm_multi_byte_string); - -SCM -scm_multi_byte_string (chrs) - SCM chrs; -{ - SCM res; - register char *data; - long i; - long byte_len; - - i = scm_ilength (chrs); - SCM_ASSERT (i >= 0, chrs, SCM_ARG1, s_multi_byte_string); - i = i * XMB_CUR_MAX; - res = scm_makstr (i, 0); - SCM_SETLENGTH (res, SCM_LENGTH (res), scm_tc7_mb_string); - data = SCM_CHARS (res); - byte_len = 0; - xwctomb (0, 0); - while (i && SCM_NNULLP (chrs)) - { - int used; - SCM ch; - - ch = SCM_CAR (chrs); - SCM_ASSERT (SCM_ICHRP (ch), chrs, SCM_ARG1, s_multi_byte_string); - used = xwctomb (data + byte_len, SCM_ICHR (ch)); - SCM_ASSERT (used >= 0, chrs, SCM_ARG1, s_multi_byte_string); - byte_len += (used ? used : 1); - chrs = SCM_CDR (chrs); - --i; - } - res = scm_vector_set_length_x (res, SCM_MAKINUM (byte_len)); - return res; -} - - -int -scm_mb_ilength (data, size) - unsigned char * data; - int size; -{ - int pos; - int len; - - len = 0; - pos = 0; - xmblen (0, 0); - while (pos < size) - { - int inc; - - inc = xmblen (data + pos, size - pos); - if (inc == 0) - ++inc; - - if (inc < 0) - return -1; - - ++len; - pos += inc; - } - - return len; -} - -SCM_PROC(s_multi_byte_string_length, "multi-byte-string-length", 1, 0, 0, scm_multi_byte_string_length); - -SCM -scm_multi_byte_string_length (str) - SCM str; -{ - int size; - int len; - unsigned char * data; - - SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, SCM_ARG1, s_multi_byte_string_length); - - data = SCM_ROCHARS (str); - size = SCM_ROLENGTH (str); - len = scm_mb_ilength (data, size); - SCM_ASSERT (len >= 0, str, SCM_ARG1, s_multi_byte_string_length); - return SCM_MAKINUM (len); -} - - -SCM_PROC(s_symbol_multi_byte_p, "symbol-multi-byte?", 1, 0, 0, scm_symbol_multi_byte_p); - -SCM -scm_symbol_multi_byte_p (symbol) - SCM symbol; -{ - return SCM_SYMBOL_MULTI_BYTE_STRINGP(symbol); -} - -SCM_PROC(s_set_symbol_multi_byte_x, "set-symbol-multi-byte!", 2, 0, 0, scm_set_symbol_multi_byte_x); - -SCM -scm_set_symbol_multi_byte_x (symbol, val) - SCM symbol; - SCM val; -{ - if (SCM_TYP7 (symbol) == scm_tc7_msymbol) - { - SCM_SYMBOL_MULTI_BYTE_STRINGP(symbol) = (SCM_FALSEP (val) - ? SCM_BOOL_F - : SCM_BOOL_T); - } - return SCM_UNSPECIFIED; -} - - -SCM_PROC(s_regular_port_p, "regular-port?", 1, 0, 0, scm_regular_port_p); - -SCM -scm_regular_port_p (p) - SCM p; -{ - return (SCM_PORT_REPRESENTATION(p) == scm_regular_port - ? SCM_BOOL_T - : SCM_BOOL_F); -} - -SCM_PROC(s_regular_port_x, "regular-port!", 1, 0, 0, scm_regular_port_x); - -SCM -scm_regular_port_x (p) - SCM p; -{ - SCM_PORT_REPRESENTATION(p) = scm_regular_port; - return SCM_UNSPECIFIED; -} - -SCM_PROC(s_multi_byte_port_p, "multi-byte-port?", 1, 0, 0, scm_multi_byte_port_p); - -SCM -scm_multi_byte_port_p (p) - SCM p; -{ - return (SCM_PORT_REPRESENTATION(p) == scm_mb_port - ? SCM_BOOL_T - : SCM_BOOL_F); -} - -SCM_PROC(s_multi_byte_port_x, "multi-byte-port!", 1, 0, 0, scm_multi_byte_port_x); - -SCM -scm_multi_byte_port_x (p) - SCM p; -{ - SCM_PORT_REPRESENTATION(p) = scm_mb_port; - return SCM_UNSPECIFIED; -} - - -SCM_PROC(s_wide_character_port_p, "wide-character-port?", 1, 0, 0, scm_wide_character_port_p); - -SCM -scm_wide_character_port_p (p) - SCM p; -{ - return (SCM_PORT_REPRESENTATION(p) == scm_wchar_port - ? SCM_BOOL_T - : SCM_BOOL_F); -} - -SCM_PROC(s_wide_character_port_x, "wide-character-port!", 1, 0, 0, scm_wide_character_port_x); - -SCM -scm_wide_character_port_x (p) - SCM p; -{ - SCM_PORT_REPRESENTATION(p) = scm_wchar_port; - return SCM_UNSPECIFIED; -} - - - - - - -void -scm_put_wchar (c, port, writing) - int c; - SCM port; - int writing; -{ - if (writing) - scm_gen_puts (scm_regular_string, "#\\", port); - switch (SCM_PORT_REPRESENTATION (port)) - { - case scm_regular_port: - { - if (c < 256) - { - if (!writing) - scm_gen_putc ((unsigned char)c, port); - else if ((c <= ' ') && scm_charnames[c]) - scm_gen_puts (scm_regular_string, scm_charnames[c], port); - else if (c > '\177') - scm_intprint (c, 8, port); - else - scm_gen_putc ((int) c, port); - } - else - { - print_octal: - if (!writing) - scm_gen_putc ('\\', port); - scm_intprint (c, 8, port); - } - break; - } - - case scm_mb_port: - { - char buf[256]; - int len; - - if (XMB_CUR_MAX > sizeof (buf)) - goto print_octal; - - len = xwctomb (buf, c); - - if (len < 0) - goto print_octal; - - if (len == 0) - scm_gen_putc (0, port); - else - scm_gen_putc (c, port); - break; - } - - case scm_wchar_port: - { - scm_gen_putc (c, port); - break; - } - } -} - - - - - - -void -scm_print_mb_string (exp, port, writing) - SCM exp; - SCM port; - int writing; -{ - if (writing) - { - int i; - int len; - char * data; - - scm_gen_putc ('\"', port); - i = 0; - len = SCM_ROLENGTH (exp); - data = SCM_ROCHARS (exp); - - while (i < len) - { - xwchar_t c; - int inc; - - inc = xmbtowc (&c, data + i, len - i); - if (inc == 0) - inc = 1; - if (inc < 0) - { - inc = 1; - c = data[i]; - } - i += inc; - switch (c) - { - case '\"': - case '\\': - scm_gen_putc ('\\', port); - default: - scm_gen_putc (c, port); - } - } - scm_gen_putc ('\"', port); - } - else - scm_gen_write (scm_mb_string, SCM_ROCHARS (exp), SCM_ROLENGTH (exp), port); -} - - - -void -scm_print_mb_symbol (exp, port) - SCM exp; - SCM port; -{ - int pos; - int end; - int len; - char * str; - int weird; - int maybe_weird; - int mw_pos = 0; /* initialized to placate compiler */ - int inc = 0; /* same */ - xwchar_t c; - - len = SCM_LENGTH (exp); - str = SCM_CHARS (exp); - scm_remember (&exp); - pos = 0; - weird = 0; - maybe_weird = 0; - - for (end = pos; end < len; end += inc) - { - inc = xmbtowc (&c, str + end, len - end); - if (inc < 0) - { - inc = 1; - c = str[end]; - goto weird_handler; - } - if (inc == 0) - { - inc = 1; - goto weird_handler; - } - switch (c) - { -#ifdef BRACKETS_AS_PARENS - case '[': - case ']': -#endif - case '(': - case ')': - case '\"': - case ';': - case SCM_WHITE_SPACES: - case SCM_LINE_INCREMENTORS: - weird_handler: - if (maybe_weird) - { - end = mw_pos; - maybe_weird = 0; - } - if (!weird) - { - scm_gen_write (scm_regular_string, "#{", 2, port); - weird = 1; - } - if (pos < end) - { - int q; - int qinc; - - q = pos; - while (q < end) - { - qinc = xmbtowc (&c, str + q, end - q); - if (inc <= 0) - { - inc = 1; - c = str[q]; - } - scm_gen_putc (c, port); - q += qinc; - } - } - { - char buf[2]; - buf[0] = '\\'; - buf[1] = str[end]; - scm_gen_write (scm_regular_string, buf, 2, port); - } - pos = end + 1; - break; - case '\\': - if (weird) - goto weird_handler; - if (!maybe_weird) - { - maybe_weird = 1; - mw_pos = pos; - } - break; - case '}': - case '#': - if (weird) - goto weird_handler; - break; - default: - break; - } - } - if (pos < end) - { - int q; - int qinc; - q = pos; - while (q < end) - { - qinc = xmbtowc (&c, str + q, end - q); - if (inc <= 0) - inc = 1; - scm_gen_putc (c, port); - q += qinc; - } - } - if (weird) - scm_gen_write (scm_regular_string, "}#", 2, port); -} - - - - - -void -scm_init_mbstrings () -{ -#include "mbstrings.x" -} - |