X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Fstr.h;h=86ffddca32b177f828c8ce12eb8828a7ee23538c;hb=d8b3292a8c12564dbc67e59f24d626dcfbf2e274;hp=8357732ccbaa35bb4ce33633b12b47f00ef5f6a0;hpb=d0371553a98cd169353bf6d211e375e5ffc3a3bd;p=pspp diff --git a/src/libpspp/str.h b/src/libpspp/str.h index 8357732ccb..86ffddca32 100644 --- a/src/libpspp/str.h +++ b/src/libpspp/str.h @@ -1,5 +1,5 @@ /* PSPP - a program for statistical analysis. - Copyright (C) 1997-9, 2000 Free Software Foundation, Inc. + Copyright (C) 1997-9, 2000, 2009, 2010, 2011, 2012, 2014 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 @@ -20,24 +20,29 @@ #include #include #include +#include #include #include +#include #include "compiler.h" #include "memcasecmp.h" #include "xstrndup.h" #include "xvasprintf.h" + +#include "gl/xalloc.h" /* Miscellaneous. */ +struct substring; + void buf_reverse (char *, size_t); -char *buf_find_reverse (const char *, size_t, const char *, size_t); int buf_compare_case (const char *, const char *, size_t); int buf_compare_rpad (const char *, size_t, const char *, size_t); -void buf_copy_lpad (char *, size_t, const char *, size_t); -void buf_copy_rpad (char *, size_t, const char *, size_t); -void buf_copy_str_lpad (char *, size_t, const char *); -void buf_copy_str_rpad (char *, size_t, const char *); +void buf_copy_lpad (char *, size_t, const char *, size_t, char pad); +void buf_copy_rpad (char *, size_t, const char *, size_t, char pad); +void buf_copy_str_lpad (char *, size_t, const char *, char pad); +void buf_copy_str_rpad (char *, size_t, const char *, char pad); int str_compare_rpad (const char *, const char *); void str_copy_rpad (char *, size_t, const char *); @@ -46,7 +51,12 @@ void str_copy_buf_trunc (char *, size_t, const char *, size_t); void str_uppercase (char *); void str_lowercase (char *); -char *spprintf (char *dst, const char *format, ...); +bool str_format_26adic (unsigned long int number, bool uppercase, + char buffer[], size_t); + +void str_ellipsize (struct substring in, char *out, size_t out_size); + +static inline char *xstrdup_if_nonnull (const char *); void *mempset (void *, int, size_t); @@ -72,9 +82,9 @@ struct substring /* Constructors. These functions do not allocate any memory, so the substrings they create should not normally be destroyed. */ -struct substring ss_empty (void); -struct substring ss_cstr (const char *); -struct substring ss_buffer (const char *, size_t); +static inline struct substring ss_empty (void); +static inline struct substring ss_cstr (const char *); +static inline struct substring ss_buffer (const char *, size_t); struct substring ss_substr (struct substring, size_t start, size_t); struct substring ss_head (struct substring, size_t); struct substring ss_tail (struct substring, size_t); @@ -84,6 +94,7 @@ struct substring ss_tail (struct substring, size_t); struct pool; void ss_alloc_substring (struct substring *, struct substring); void ss_alloc_uninit (struct substring *, size_t); +void ss_realloc (struct substring *, size_t); void ss_alloc_substring_pool (struct substring *, struct substring, struct pool *); void ss_alloc_uninit_pool (struct substring *, size_t, struct pool *); @@ -92,20 +103,24 @@ void ss_dealloc (struct substring *); /* Mutators. Functions that advance the beginning of a string should not be used if a substring is to be deallocated. */ +void ss_swap (struct substring *, struct substring *); void ss_truncate (struct substring *, size_t); size_t ss_rtrim (struct substring *, struct substring trim_set); size_t ss_ltrim (struct substring *, struct substring trim_set); void ss_trim (struct substring *, struct substring trim_set); -bool ss_chomp (struct substring *, char); +bool ss_chomp_byte (struct substring *, char); +bool ss_chomp (struct substring *, struct substring); bool ss_separate (struct substring src, struct substring delimiters, size_t *save_idx, struct substring *token); bool ss_tokenize (struct substring src, struct substring delimiters, size_t *save_idx, struct substring *token); void ss_advance (struct substring *, size_t); -bool ss_match_char (struct substring *, char); +bool ss_match_byte (struct substring *, char); +int ss_match_byte_in (struct substring *, struct substring); bool ss_match_string (struct substring *, const struct substring); -int ss_get_char (struct substring *); -size_t ss_get_chars (struct substring *, size_t cnt, struct substring *); +bool ss_match_string_case (struct substring *, const struct substring); +int ss_get_byte (struct substring *); +size_t ss_get_bytes (struct substring *, size_t n, struct substring *); bool ss_get_until (struct substring *, char delimiter, struct substring *); size_t ss_get_long (struct substring *, long *); @@ -117,15 +132,27 @@ char *ss_end (struct substring); int ss_at (struct substring, size_t idx); int ss_first (struct substring); int ss_last (struct substring); +bool ss_starts_with (struct substring, struct substring prefix); +bool ss_ends_with (struct substring, struct substring suffix); size_t ss_span (struct substring, struct substring skip_set); size_t ss_cspan (struct substring, struct substring stop_set); -size_t ss_find_char (struct substring, char); +size_t ss_find_byte (struct substring, char); +size_t ss_find_substring (struct substring, struct substring); int ss_compare (struct substring, struct substring); int ss_compare_case (struct substring, struct substring); int ss_equals (struct substring, struct substring); int ss_equals_case (struct substring, struct substring); size_t ss_pointer_to_position (struct substring, const char *); char *ss_xstrdup (struct substring); + +/* UTF-8. */ +ucs4_t ss_first_mb (struct substring); +int ss_first_mblen (struct substring); +ucs4_t ss_get_mb (struct substring *); +ucs4_t ss_at_mb (struct substring, size_t ofs); +int ss_at_mblen (struct substring, size_t ofs); +size_t ss_utf8_count_columns (struct substring); +struct substring ss_utf8_columns (struct substring, size_t start, size_t n); /* Variable length strings. */ @@ -167,13 +194,15 @@ void ds_truncate (struct string *, size_t); size_t ds_rtrim (struct string *, struct substring trim_set); size_t ds_ltrim (struct string *, struct substring trim_set); size_t ds_trim (struct string *, struct substring trim_set); -bool ds_chomp (struct string *, char); +bool ds_chomp_byte (struct string *, char); +bool ds_chomp (struct string *, struct substring); bool ds_separate (const struct string *src, struct substring delimiters, size_t *save_idx, struct substring *token); bool ds_tokenize (const struct string *src, struct substring delimiters, size_t *save_idx, struct substring *token); void ds_rpad (struct string *, size_t length, char pad); void ds_set_length (struct string *, size_t new_length, char pad); +void ds_remove (struct string *, size_t start, size_t n); /* Extracting substrings. */ struct substring ds_ss (const struct string *); @@ -189,30 +218,86 @@ char *ds_end (const struct string *); int ds_at (const struct string *, size_t idx); int ds_first (const struct string *); int ds_last (const struct string *); +bool ds_ends_with (const struct string *, struct substring suffix); size_t ds_span (const struct string *, struct substring skip_set); size_t ds_cspan (const struct string *, struct substring stop_set); -size_t ds_find_char (const struct string *, char); +size_t ds_find_byte (const struct string *, char); int ds_compare (const struct string *, const struct string *); size_t ds_pointer_to_position (const struct string *, const char *); char *ds_xstrdup (const struct string *); size_t ds_capacity (const struct string *); char *ds_cstr (const struct string *); +char *ds_steal_cstr (struct string *); /* File input. */ -bool ds_read_line (struct string *, FILE *); +bool ds_read_line (struct string *, FILE *, size_t max_length); bool ds_read_config_line (struct string *, int *line_number, FILE *); -bool ds_read_stream (struct string *, size_t size, size_t cnt, FILE *stream); +bool ds_read_stream (struct string *, size_t size, size_t n, FILE *stream); /* Append. */ -void ds_put_char (struct string *, int ch); -void ds_put_char_multiple (struct string *, int ch, size_t); +void ds_put_byte (struct string *, int ch); +void ds_put_byte_multiple (struct string *, int ch, size_t); +void ds_put_unichar (struct string *, ucs4_t uc); void ds_put_cstr (struct string *, const char *); void ds_put_substring (struct string *, struct substring); +void ds_put_substring_multiple (struct string *, struct substring, size_t n); void ds_put_vformat (struct string *st, const char *, va_list) PRINTF_FORMAT (2, 0); +void ds_put_c_vformat (struct string *st, const char *, va_list) + PRINTF_FORMAT (2, 0); + void ds_put_format (struct string *, const char *, ...) PRINTF_FORMAT (2, 3); +void ds_put_c_format (struct string *, const char *, ...) + PRINTF_FORMAT (2, 3); + char *ds_put_uninit (struct string *st, size_t incr); +char *ds_splice_uninit (struct string *, size_t ofs, size_t old_len, + size_t new_len); + +/* Other */ +/* calls relocate from gnulib on ST */ +void ds_relocate (struct string *st); + + +void u8_buf_copy_rpad (uint8_t *dst, size_t dst_size, + const uint8_t *src, size_t src_size, + char pad); + +static inline struct substring +ss_empty (void) +{ + struct substring ss; + ss.string = NULL; + ss.length = 0; + return ss; +} + +/* Returns a substring whose contents are the given C-style + string CSTR. */ +static inline struct substring +ss_cstr (const char *cstr) +{ + return ss_buffer (cstr, strlen (cstr)); +} + +/* Returns a substring whose contents are the N characters in + BUFFER. */ +static inline struct substring +ss_buffer (const char *buffer, size_t n) +{ + struct substring ss; + ss.string = (char *) buffer; + ss.length = n; + return ss; +} + +static inline char * +xstrdup_if_nonnull (const char *s) +{ + return s ? xstrdup (s) : NULL; +} + #endif /* str_h */