#ifndef SCM_STRINGS_H
#define SCM_STRINGS_H
-/* Copyright (C) 1995,1996,1997,1998,2000,2001, 2004, 2005, 2006, 2008 Free Software Foundation, Inc.
+/* Copyright (C) 1995,1996,1997,1998,2000,2001, 2004, 2005, 2006, 2008, 2009 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
\f
-#include <uniconv.h>
#include "libguile/__scm.h"
\f
no wide version of this interface.
*/
+/* A type indicating what strategy to take when string locale
+ conversion is unsuccessful. */
+typedef enum
+{
+ SCM_FAILED_CONVERSION_ERROR = SCM_ICONVEH_ERROR,
+ SCM_FAILED_CONVERSION_QUESTION_MARK = SCM_ICONVEH_QUESTION_MARK,
+ SCM_FAILED_CONVERSION_ESCAPE_SEQUENCE = SCM_ICONVEH_ESCAPE_SEQUENCE
+} scm_t_string_failed_conversion_handler;
+
+SCM_INTERNAL SCM scm_nullstr;
+
SCM_API SCM scm_string_p (SCM x);
SCM_API SCM scm_string (SCM chrs);
SCM_API SCM scm_make_string (SCM k, SCM chr);
SCM_API SCM scm_string_length (SCM str);
-SCM_API SCM scm_string_width (SCM str);
+SCM_API SCM scm_string_bytes_per_char (SCM str);
SCM_API SCM scm_string_ref (SCM str, SCM k);
SCM_API SCM scm_string_set_x (SCM str, SCM k, SCM chr);
SCM_API SCM scm_substring (SCM str, SCM start, SCM end);
SCM_API SCM scm_substring_copy (SCM str, SCM start, SCM end);
SCM_API SCM scm_string_append (SCM args);
+SCM_API SCM scm_from_stringn (const char *str, size_t len,
+ const char *encoding,
+ scm_t_string_failed_conversion_handler
+ handler);
SCM_API SCM scm_c_make_string (size_t len, SCM chr);
SCM_API size_t scm_c_string_length (SCM str);
SCM_API size_t scm_c_symbol_length (SCM sym);
SCM_API int scm_is_string (SCM x);
SCM_API SCM scm_from_locale_string (const char *str);
SCM_API SCM scm_from_locale_stringn (const char *str, size_t len);
+SCM_INTERNAL SCM scm_i_from_utf8_string (const scm_t_uint8 *str);
SCM_API SCM scm_take_locale_string (char *str);
SCM_API SCM scm_take_locale_stringn (char *str, size_t len);
SCM_API char *scm_to_locale_string (SCM str);
SCM_API char *scm_to_locale_stringn (SCM str, size_t *lenp);
SCM_INTERNAL char *scm_to_stringn (SCM str, size_t *lenp,
const char *encoding,
- enum iconv_ilseq_handler handler);
+ scm_t_string_failed_conversion_handler
+ handler);
+SCM_INTERNAL scm_t_uint8 *scm_i_to_utf8_string (SCM str);
SCM_API size_t scm_to_locale_stringbuf (SCM str, char *buf, size_t max_len);
SCM_API SCM scm_makfromstrs (int argc, char **argv);
+\f
+/* internal constants */
+
+/* Type tag for read-only strings. */
+#define scm_tc7_ro_string (scm_tc7_string + 0x200)
+
+/* Flags for shared and wide strings. */
+#define SCM_I_STRINGBUF_F_SHARED 0x100
+#define SCM_I_STRINGBUF_F_WIDE 0x400
+
+
/* internal accessor functions. Arguments must be valid. */
SCM_INTERNAL SCM scm_i_make_string (size_t len, char **datap);
SCM_INTERNAL void scm_i_string_stop_writing (void);
SCM_INTERNAL int scm_i_is_narrow_string (SCM str);
SCM_INTERNAL scm_t_wchar scm_i_string_ref (SCM str, size_t x);
+SCM_INTERNAL int scm_i_string_contains_char (SCM str, char c);
+SCM_INTERNAL int scm_i_string_strcmp (SCM sstr, size_t start_x, const char *cstr);
SCM_INTERNAL void scm_i_string_set_x (SCM str, size_t p, scm_t_wchar chr);
/* internal functions related to symbols. */
SCM_INTERNAL SCM
scm_i_c_make_symbol (const char *name, size_t len,
scm_t_bits flags, unsigned long hash, SCM props);
-SCM_INTERNAL SCM
-scm_i_c_take_symbol (char *name, size_t len,
- scm_t_bits flags, unsigned long hash, SCM props);
SCM_INTERNAL const char *scm_i_symbol_chars (SCM sym);
SCM_INTERNAL const scm_t_wchar *scm_i_symbol_wide_chars (SCM sym);
SCM_INTERNAL size_t scm_i_symbol_length (SCM sym);
SCM_INTERNAL int scm_i_is_narrow_symbol (SCM str);
+SCM_INTERNAL int scm_i_try_narrow_string (SCM str);
SCM_INTERNAL SCM scm_i_symbol_substring (SCM sym, size_t start, size_t end);
SCM_INTERNAL scm_t_wchar scm_i_symbol_ref (SCM sym, size_t x);
-/* internal GC functions. */
-
-SCM_INTERNAL SCM scm_i_string_mark (SCM str);
-SCM_INTERNAL SCM scm_i_stringbuf_mark (SCM buf);
-SCM_INTERNAL SCM scm_i_symbol_mark (SCM buf);
-SCM_INTERNAL void scm_i_string_free (SCM str);
-SCM_INTERNAL void scm_i_stringbuf_free (SCM buf);
-SCM_INTERNAL void scm_i_symbol_free (SCM sym);
-
/* internal utility functions. */
SCM_INTERNAL char **scm_i_allocate_string_pointers (SCM list);
-SCM_INTERNAL void scm_i_free_string_pointers (char **pointers);
SCM_INTERNAL void scm_i_get_substring_spec (size_t len,
SCM start, size_t *cstart,
SCM end, size_t *cend);
-SCM_INTERNAL SCM scm_i_take_stringbufn (char *str, size_t len);
/* Debugging functions */
SCM_API SCM scm_sys_string_dump (SCM);
SCM_API SCM scm_sys_symbol_dump (SCM);
-#if SCM_STRING_LENGTH_HISTOGRAM
+#ifdef SCM_STRING_LENGTH_HISTOGRAM
SCM_API SCM scm_sys_stringbuf_hist (void);
#endif
#if SCM_ENABLE_DEPRECATED
-SCM_API int scm_i_deprecated_stringp (SCM obj);
-SCM_API char *scm_i_deprecated_string_chars (SCM str);
-SCM_API size_t scm_i_deprecated_string_length (SCM str);
+SCM_DEPRECATED int scm_i_deprecated_stringp (SCM obj);
+SCM_DEPRECATED char *scm_i_deprecated_string_chars (SCM str);
+SCM_DEPRECATED size_t scm_i_deprecated_string_length (SCM str);
#define SCM_STRINGP(x) scm_i_deprecated_stringp(x)
#define SCM_STRING_CHARS(x) scm_i_deprecated_string_chars(x)
HCoop / bpt / guile.git / blobdiff